backported http-socket-modifier1/2

backported carbon hostname patch to 1.4.x

ChangeLog

@@ -1,5 +1,33 @@
 *** current ***
 
+ * 1.4.1
+
+- fixed typos in corerouter plugins
+- fixed offloading when the number of threads is higher than 1
+- fixed static_maps for non-existent paths
+- fixed uwsgi_connect() on modern Linux systems to reset the socket to blocking mode
+
+*** november 2012 ***
+
+ * 1.4
+
+- gevent improvements
+- improved http/https router and fastrouter
+- Go official support
+- a new set of infos are exported to the stats system
+- improved systemd support
+- log filtering and routing
+- improved tracebacker
+- offload transfer for static files, and network transfers
+- matheval support
+- plugins can be written in Obj-C
+- smart attach daemon
+- added support for PEP 405 virtualenvs
+- rawrouter with xclient support
+- internal routing plugin for cache
+
+*** semptember 2012 ***
+
  * 1.3
 
 - python tracebacker

apache2/mod_proxy_uwsgi.c

@@ -1,3 +1,8 @@
+/*
+
+	 apxs2 -i -c mod_proxy_uwsgi.c
+
+*/
 #define APR_WANT_MEMFUNC
 #define APR_WANT_STRFUNC
 #include "apr_strings.h"
@@ -101,10 +106,26 @@ static int uwsgi_send_headers(request_rec *r, proxy_conn_rec *conn)
     ap_add_common_vars(r);
     ap_add_cgi_vars(r);
 
+    // this is not a security problem (in Linux) as uWSGI destroy the env memory area readable in /proc
+    // and generally if you host untrusted apps in your server and allows them to read others uid /proc/<pid>
+    // files you have higher problems...
+    const char *auth = apr_table_get(r->headers_in, "Authorization");
+    if (auth) {
+        apr_table_setn(r->subprocess_env, "HTTP_AUTHORIZATION", auth); 
+    }
+
     const char *script_name = apr_table_get(r->subprocess_env, "SCRIPT_NAME");
     const char *path_info = apr_table_get(r->subprocess_env, "PATH_INFO");
+
     if (script_name && path_info) {
-        apr_table_set(r->subprocess_env, "SCRIPT_NAME", apr_pstrndup(r->pool, script_name, strlen(script_name)-strlen(path_info)));
+        if (strcmp(path_info, "/")) {
+            apr_table_set(r->subprocess_env, "SCRIPT_NAME", apr_pstrndup(r->pool, script_name, strlen(script_name)-strlen(path_info)));
+	}
+        else {
+            if (!strcmp(script_name, "/")) {
+                apr_table_set(r->subprocess_env, "SCRIPT_NAME", "");
+            }
+        }
     }
 
     env_table = apr_table_elts(r->subprocess_env);
@@ -135,7 +156,7 @@ static int uwsgi_send_headers(request_rec *r, proxy_conn_rec *conn)
     buf[0] = 0;
     buf[1] = (uint8_t) (pktsize & 0xff);
     buf[2] = (uint8_t) ((pktsize >> 8) & 0xff);
-    buf[0] = 0;
+    buf[3] = 0;
 
     return uwsgi_send(conn, buf, headerlen, r);
 }
@@ -326,7 +347,13 @@ static int uwsgi_handler(request_rec *r, proxy_worker *worker,
     }
 
     // ADD PATH_INFO
-    apr_table_add(r->subprocess_env, "PATH_INFO", url+strlen(worker->name));
+    size_t w_len = strlen(worker->name);
+    char *u_path_info = r->filename + 6 + w_len;
+    int delta = 0;
+    if (u_path_info[0] != '/') {
+        delta = 1;
+    }
+    apr_table_add(r->subprocess_env, "PATH_INFO", url+w_len-delta);
 
 
     /* Create space for state information */

bin/uwsgi

@@ -0,0 +1,4 @@
+#!/usr/bin/env ruby
+cmd = File.expand_path "#{File.dirname(__FILE__)}/../ext/uwsgi/uwsgi.ruby"
+
+exec(cmd, *ARGV)

buildconf/base.ini

@@ -29,7 +29,7 @@ plugins =
 bin_name = uwsgi
 append_version =
 plugin_dir = .
-embedded_plugins = %(main_plugin)s, ping, cache, nagios, rrdtool, carbon, rpc, corerouter, fastrouter, http, ugreen, signal, syslog, rsyslog, logsocket, router_uwsgi, router_redirect, router_basicauth, zergpool, redislog, mongodblog, router_rewrite, router_http, logfile, router_cache
+embedded_plugins = %(main_plugin)s, ping, cache, nagios, rrdtool, carbon, rpc, corerouter, fastrouter, http, ugreen, signal, syslog, rsyslog, logsocket, router_uwsgi, router_redirect, router_basicauth, zergpool, redislog, mongodblog, router_rewrite, router_http, logfile, router_cache, rawrouter
 as_shared_library = false
 
 locking = auto

core/alarm.c

@@ -20,9 +20,9 @@ void uwsgi_alarm_func_cmd(struct uwsgi_alarm_instance *uai, char *msg, size_t le
 	int pipe[2];
 	if (socketpair(AF_UNIX, SOCK_STREAM, 0, pipe)) {
 		return;
-        }
-        uwsgi_socket_nb(pipe[0]);
-        uwsgi_socket_nb(pipe[1]);	
+	}
+	uwsgi_socket_nb(pipe[0]);
+	uwsgi_socket_nb(pipe[1]);
 	if (write(pipe[1], msg, len) != (ssize_t) len) {
 		close(pipe[0]);
 		close(pipe[1]);
@@ -36,7 +36,7 @@ void uwsgi_alarm_func_cmd(struct uwsgi_alarm_instance *uai, char *msg, size_t le
 // pass the log line to a mule
 
 void uwsgi_alarm_init_mule(struct uwsgi_alarm_instance *uai) {
-        uai->data32 = atoi(uai->arg);
+	uai->data32 = atoi(uai->arg);
 	if (uai->data32 > (uint32_t) uwsgi.mules_cnt) {
 		uwsgi_log_alarm("] invalid mule_id (%d mules available), fallback to 0\n", uwsgi.mules_cnt);
 		uai->data32 = 0;
@@ -45,24 +45,25 @@ void uwsgi_alarm_init_mule(struct uwsgi_alarm_instance *uai) {
 
 void uwsgi_alarm_func_mule(struct uwsgi_alarm_instance *uai, char *msg, size_t len) {
 	// skip if mules are not available
-	if (uwsgi.mules_cnt == 0) return;
+	if (uwsgi.mules_cnt == 0)
+		return;
 	int fd = uwsgi.shared->mule_queue_pipe[0];
 	if (uai->data32 > 0) {
-		int mule_id = uai->data32-1;
-        	fd = uwsgi.mules[mule_id].queue_pipe[0];
+		int mule_id = uai->data32 - 1;
+		fd = uwsgi.mules[mule_id].queue_pipe[0];
 	}
 	mule_send_msg(fd, msg, len);
 }
 
 
 // register a new alarm
-void uwsgi_register_alarm(char *name, void (*init)(struct uwsgi_alarm_instance *), void (*func)(struct uwsgi_alarm_instance *, char *, size_t)) {
-	struct uwsgi_alarm *old_ua=NULL,*ua = uwsgi.alarms;
-	while(ua) {
+void uwsgi_register_alarm(char *name, void (*init) (struct uwsgi_alarm_instance *), void (*func) (struct uwsgi_alarm_instance *, char *, size_t)) {
+	struct uwsgi_alarm *old_ua = NULL, *ua = uwsgi.alarms;
+	while (ua) {
 		// skip already initialized alarms
 		if (!strcmp(ua->name, name)) {
 			return;
-                }
+		}
 		old_ua = ua;
 		ua = ua->next;
 	}
@@ -89,17 +90,18 @@ void uwsgi_register_embedded_alarms() {
 
 static int uwsgi_alarm_add(char *name, char *plugin, char *arg) {
 	struct uwsgi_alarm *ua = uwsgi.alarms;
-	while(ua) {
+	while (ua) {
 		if (!strcmp(ua->name, plugin)) {
 			break;
 		}
 		ua = ua->next;
 	}
 
-	if (!ua) return -1;
+	if (!ua)
+		return -1;
 
 	struct uwsgi_alarm_instance *old_uai = NULL, *uai = uwsgi.alarm_instances;
-	while(uai) {
+	while (uai) {
 		old_uai = uai;
 		uai = uai->next;
 	}
@@ -116,7 +118,7 @@ static int uwsgi_alarm_add(char *name, char *plugin, char *arg) {
 	else {
 		uwsgi.alarm_instances = uai;
 	}
-	
+
 	ua->init(uai);
 	return 0;
 }
@@ -124,7 +126,7 @@ static int uwsgi_alarm_add(char *name, char *plugin, char *arg) {
 // get an alarm instance by its name
 static struct uwsgi_alarm_instance *uwsgi_alarm_get_instance(char *name) {
 	struct uwsgi_alarm_instance *uai = uwsgi.alarm_instances;
-	while(uai) {
+	while (uai) {
 		if (!strcmp(name, uai->name)) {
 			return uai;
 		}
@@ -134,10 +136,10 @@ static struct uwsgi_alarm_instance *uwsgi_alarm_get_instance(char *name) {
 }
 
 
-static int uwsgi_alarm_log_add(char *alarms, char *regexp) {
+static int uwsgi_alarm_log_add(char *alarms, char *regexp, int negate) {
 
 	struct uwsgi_alarm_log *old_ual = NULL, *ual = uwsgi.alarm_logs;
-	while(ual) {
+	while (ual) {
 		old_ual = ual;
 		ual = ual->next;
 	}
@@ -145,7 +147,8 @@ static int uwsgi_alarm_log_add(char *alarms, char *regexp) {
 	ual = uwsgi_calloc(sizeof(struct uwsgi_alarm_log));
 	if (uwsgi_regexp_build(regexp, &ual->pattern, &ual->pattern_extra)) {
 		return -1;
-        }
+	}
+	ual->negate = negate;
 
 	if (old_ual) {
 		old_ual->next = ual;
@@ -157,11 +160,12 @@ static int uwsgi_alarm_log_add(char *alarms, char *regexp) {
 	// map instances to the log
 	char *list = uwsgi_str(alarms);
 	char *p = strtok(list, ",");
-	while(p) {
+	while (p) {
 		struct uwsgi_alarm_instance *uai = uwsgi_alarm_get_instance(p);
-		if (!uai) return -1;
-		struct uwsgi_alarm_ll *old_uall=NULL,*uall = ual->alarms;
-		while(uall) {
+		if (!uai)
+			return -1;
+		struct uwsgi_alarm_ll *old_uall = NULL, *uall = ual->alarms;
+		while (uall) {
 			old_uall = uall;
 			uall = uall->next;
 		}
@@ -184,7 +188,7 @@ void uwsgi_alarms_init() {
 
 	// first of all, create instance of alarms
 	struct uwsgi_string_list *usl = uwsgi.alarm_list;
-	while(usl) {
+	while (usl) {
 		char *line = uwsgi_str(usl->value);
 		char *space = strchr(line, ' ');
 		if (!space) {
@@ -192,14 +196,14 @@ void uwsgi_alarms_init() {
 			exit(1);
 		}
 		*space = 0;
-		char *plugin = space+1;
+		char *plugin = space + 1;
 		char *colon = strchr(plugin, ':');
 		if (!colon) {
 			uwsgi_log("invalid alarm syntax: %s\n", usl->value);
 			exit(1);
 		}
 		*colon = 0;
-		char *arg = colon+1;
+		char *arg = colon + 1;
 		// here the alarm is mapped to a name and initialized
 		if (uwsgi_alarm_add(line, plugin, arg)) {
 			uwsgi_log("invalid alarm: %s\n", usl->value);
@@ -210,20 +214,20 @@ void uwsgi_alarms_init() {
 
 	// then map log-alarm
 	usl = uwsgi.alarm_logs_list;
-	while(usl) {
+	while (usl) {
 		char *line = uwsgi_str(usl->value);
 		char *space = strchr(line, ' ');
-                if (!space) {
-                        uwsgi_log("invalid log-alarm syntax: %s\n", usl->value);
-                        exit(1);
-                }
-                *space = 0;
-                char *regexp = space+1;
-                // here the log-alarm is created
-                if (uwsgi_alarm_log_add(line, regexp)) {
-                        uwsgi_log("invalid log-alarm: %s\n", usl->value);
-                        exit(1);
-                }
+		if (!space) {
+			uwsgi_log("invalid log-alarm syntax: %s\n", usl->value);
+			exit(1);
+		}
+		*space = 0;
+		char *regexp = space + 1;
+		// here the log-alarm is created
+		if (uwsgi_alarm_log_add(line, regexp, usl->custom)) {
+			uwsgi_log("invalid log-alarm: %s\n", usl->value);
+			exit(1);
+		}
 
 		usl = usl->next;
 	}
@@ -231,13 +235,19 @@ void uwsgi_alarms_init() {
 
 // check if a log should raise an alarm
 void uwsgi_alarm_log_check(char *msg, size_t len) {
-	if (!uwsgi_strncmp(msg, len, "[uwsgi-alarm", 12)) return;
+	if (!uwsgi_strncmp(msg, len, "[uwsgi-alarm", 12))
+		return;
 	struct uwsgi_alarm_log *ual = uwsgi.alarm_logs;
-        while(ual) {
-        	if (uwsgi_regexp_match(ual->pattern, ual->pattern_extra, msg, len) >= 0) {
-                	uwsgi_alarm_log_run(ual, msg, len);
-                }
-                ual = ual->next;
+	while (ual) {
+		if (uwsgi_regexp_match(ual->pattern, ual->pattern_extra, msg, len) >= 0) {
+			if (!ual->negate) {
+				uwsgi_alarm_log_run(ual, msg, len);
+			}
+			else {
+				break;
+			}
+		}
+		ual = ual->next;
 	}
 }
 
@@ -245,8 +255,9 @@ void uwsgi_alarm_log_check(char *msg, size_t len) {
 void uwsgi_alarm_run(struct uwsgi_alarm_instance *uai, char *msg, size_t len) {
 	time_t now = uwsgi_now();
 	// avoid alarm storming/loop if last message is the same
-	if (!uwsgi_strncmp(msg, len, uai->last_msg, uai->last_msg_size)) {	
-		if (now - uai->last_run < uwsgi.alarm_freq) return;
+	if (!uwsgi_strncmp(msg, len, uai->last_msg, uai->last_msg_size)) {
+		if (now - uai->last_run < uwsgi.alarm_freq)
+			return;
 	}
 	uai->alarm->func(uai, msg, len);
 	uai->last_run = uwsgi_now();
@@ -257,10 +268,8 @@ void uwsgi_alarm_run(struct uwsgi_alarm_instance *uai, char *msg, size_t len) {
 // call the alarms mapped to a log line
 void uwsgi_alarm_log_run(struct uwsgi_alarm_log *ual, char *msg, size_t len) {
 	struct uwsgi_alarm_ll *uall = ual->alarms;
-	while(uall) {
+	while (uall) {
 		uwsgi_alarm_run(uall->alarm, msg, len);
 		uall = uall->next;
 	}
 }
-
-

core/async.c

@@ -99,23 +99,23 @@ struct wsgi_request *find_first_available_wsgi_req() {
 void async_expire_timeouts() {
 
 	struct wsgi_request *wsgi_req;
-	time_t current_time = uwsgi_now();
+	uint64_t current_time = (uint64_t) uwsgi_now();
 	struct uwsgi_async_fd *uaf = NULL, *current_uaf;
 
 	struct uwsgi_rb_timer *urbt;
 
 	for (;;) {
 
-		urbt = uwsgi_min_rb_timer(uwsgi.rb_async_timeouts);
+		urbt = uwsgi_min_rb_timer(uwsgi.rb_async_timeouts, NULL);
 
 		if (urbt == NULL)
 			return;
 
-		if (urbt->key <= current_time) {
+		if (urbt->value <= current_time) {
 			wsgi_req = (struct wsgi_request *) urbt->data;
 			// timeout expired
 			wsgi_req->async_timed_out = 1;
-			rb_erase(&wsgi_req->async_timeout->rbt, uwsgi.rb_async_timeouts);
+			uwsgi_del_rb_timer(uwsgi.rb_async_timeouts, wsgi_req->async_timeout);
 			free(wsgi_req->async_timeout);
 			wsgi_req->async_timeout = NULL;
 			uaf = wsgi_req->waiting_fds;
@@ -258,12 +258,12 @@ void async_loop() {
 			timeout = 0;
 		}
 		else {
-			min_timeout = uwsgi_min_rb_timer(uwsgi.rb_async_timeouts);
+			min_timeout = uwsgi_min_rb_timer(uwsgi.rb_async_timeouts, NULL);
 			if (uwsgi.async_runqueue_cnt) {
 				timeout = 0;
 			}
 			if (min_timeout) {
-				timeout = min_timeout->key - uwsgi_now();
+				timeout = min_timeout->value - uwsgi_now();
 				if (timeout <= 0) {
 					async_expire_timeouts();
 					timeout = 0;
@@ -354,13 +354,14 @@ void async_loop() {
 				if (uwsgi.wsgi_req) {
 					proto_parser_status = uwsgi.wsgi_req->socket->proto(uwsgi.wsgi_req);
 					// reset timeout
-					rb_erase(&uwsgi.wsgi_req->async_timeout->rbt, uwsgi.rb_async_timeouts);
+					uwsgi_del_rb_timer(uwsgi.rb_async_timeouts, uwsgi.wsgi_req->async_timeout);
 					free(uwsgi.wsgi_req->async_timeout);
 					uwsgi.wsgi_req->async_timeout = NULL;
 					// parsing complete
 					if (!proto_parser_status) {
 						// remove fd from event poll and fd proto table 
 						uwsgi.async_proto_fd_table[interesting_fd] = NULL;
+						event_queue_del_fd(uwsgi.async_queue, interesting_fd, event_queue_read());
 						// put request in the runqueue
 						runqueue_push(uwsgi.wsgi_req);
 						continue;
@@ -395,7 +396,7 @@ void async_loop() {
 				}
 				uwsgi.wsgi_req->waiting_fds = NULL;
 				if (uwsgi.wsgi_req->async_timeout) {
-					rb_erase(&uwsgi.wsgi_req->async_timeout->rbt, uwsgi.rb_async_timeouts);
+					uwsgi_del_rb_timer(uwsgi.rb_async_timeouts, uwsgi.wsgi_req->async_timeout);
 					free(uwsgi.wsgi_req->async_timeout);
 					uwsgi.wsgi_req->async_timeout = NULL;
 				}
@@ -405,6 +406,7 @@ void async_loop() {
 
 				// put the request in the runqueue again
 				runqueue_push(uwsgi.wsgi_req);
+				break;
 			}
 		}
 
@@ -432,7 +434,7 @@ void async_loop() {
 				}
 				uwsgi.wsgi_req->waiting_fds = NULL;
 				if (uwsgi.wsgi_req->async_timeout) {
-					rb_erase(&uwsgi.wsgi_req->async_timeout->rbt, uwsgi.rb_async_timeouts);
+					uwsgi_del_rb_timer(uwsgi.rb_async_timeouts, uwsgi.wsgi_req->async_timeout);
 					free(uwsgi.wsgi_req->async_timeout);
 					uwsgi.wsgi_req->async_timeout = NULL;
 				}

core/buffer.c

@@ -10,19 +10,20 @@ struct uwsgi_buffer *uwsgi_buffer_new(size_t len) {
 		ub->len = len;
 	}
 	return ub;
-	
+
 }
 
 int uwsgi_buffer_fix(struct uwsgi_buffer *ub, size_t len) {
-	if (ub->limit >0 && len > ub->limit) return -1;
+	if (ub->limit > 0 && len > ub->limit)
+		return -1;
 	if (ub->len < len) {
 		char *new_buf = realloc(ub->buf, len);
-                if (!new_buf) {
-                        uwsgi_error("uwsgi_buffer_fix()");
-                        return -1;
-                }
-                ub->buf = new_buf;
-                ub->len = len;	
+		if (!new_buf) {
+			uwsgi_error("uwsgi_buffer_fix()");
+			return -1;
+		}
+		ub->buf = new_buf;
+		ub->len = len;
 	}
 	return 0;
 }
@@ -31,19 +32,20 @@ int uwsgi_buffer_ensure(struct uwsgi_buffer *ub, size_t len) {
 	size_t remains = ub->len - ub->pos;
 	if (remains < len) {
 		size_t new_len = ub->len + (len - remains);
-        	if (ub->limit >0 && new_len > ub->limit) {
+		if (ub->limit > 0 && new_len > ub->limit) {
 			new_len = ub->limit;
-			if (new_len == ub->len) return -1;
+			if (new_len == ub->len)
+				return -1;
 		}
-                char *new_buf = realloc(ub->buf, new_len);
-                if (!new_buf) {
-                        uwsgi_error("uwsgi_buffer_ensure()");
-                        return -1;
-                }
-                ub->buf = new_buf;
-                ub->len = new_len;
-        }
-        return 0;
+		char *new_buf = realloc(ub->buf, new_len);
+		if (!new_buf) {
+			uwsgi_error("uwsgi_buffer_ensure()");
+			return -1;
+		}
+		ub->buf = new_buf;
+		ub->len = new_len;
+	}
+	return 0;
 }
 
 
@@ -53,12 +55,13 @@ int uwsgi_buffer_append(struct uwsgi_buffer *ub, char *buf, size_t len) {
 
 	if (len > remains) {
 		size_t chunk_size = UMAX(len, (size_t) uwsgi.page_size);
-		if (ub->limit >0 && ub->len + chunk_size > ub->limit) {
+		if (ub->limit > 0 && ub->len + chunk_size > ub->limit) {
 			// retry with another minimal size
 			if (len < (size_t) uwsgi.page_size) {
 				chunk_size = len;
 			}
-			if (ub->len + chunk_size > ub->limit) return -1;
+			if (ub->len + chunk_size > ub->limit)
+				return -1;
 		}
 		char *new_buf = realloc(ub->buf, ub->len + chunk_size);
 		if (!new_buf) {
@@ -75,7 +78,8 @@ int uwsgi_buffer_append(struct uwsgi_buffer *ub, char *buf, size_t len) {
 }
 
 void uwsgi_buffer_destroy(struct uwsgi_buffer *ub) {
-	if (ub->buf) free(ub->buf);
+	if (ub->buf)
+		free(ub->buf);
 	free(ub);
 }
 
@@ -83,14 +87,14 @@ int uwsgi_buffer_send(struct uwsgi_buffer *ub, int fd) {
 	size_t remains = ub->pos;
 	char *ptr = ub->buf;
 
-	while(remains > 0) {
+	while (remains > 0) {
 		int ret = uwsgi_waitfd_write(fd, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT]);
 		if (ret > 0) {
 			ssize_t len = write(fd, ptr, remains);
 			if (len > 0) {
 				ptr += len;
 				remains -= len;
-			}	
+			}
 			else if (len == 0) {
 				return -1;
 			}
@@ -110,3 +114,13 @@ int uwsgi_buffer_send(struct uwsgi_buffer *ub, int fd) {
 
 	return 0;
 }
+
+int uwsgi_buffer_num64(struct uwsgi_buffer *ub, int64_t num) {
+        char buf[sizeof(UMAX64_STR)+1];
+        int ret = snprintf(buf, sizeof(UMAX64_STR)+1, "%lld", (long long) num);
+        if (ret <= 0 || ret > (int) (sizeof(UMAX64_STR)+1)) {
+                return -1;
+        }
+        return uwsgi_buffer_append(ub, buf, ret);
+}
+

core/cache.c

@@ -5,91 +5,87 @@ extern struct uwsgi_server uwsgi;
 void uwsgi_init_cache() {
 
 	if (!uwsgi.cache_blocksize)
-        	uwsgi.cache_blocksize = UMAX16;
+		uwsgi.cache_blocksize = UMAX16;
 
-                uwsgi.cache_hashtable = (uint64_t *) mmap(NULL, sizeof(uint64_t) * UMAX16, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
-                if (!uwsgi.cache_hashtable) {
-                        uwsgi_error("mmap()");
-                        exit(1);
-                }
+	uwsgi.cache_hashtable = (uint64_t *) mmap(NULL, sizeof(uint64_t) * UMAX16, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
+	if (!uwsgi.cache_hashtable) {
+		uwsgi_error("mmap()");
+		exit(1);
+	}
 
-                memset(uwsgi.cache_hashtable, 0, sizeof(uint64_t) * UMAX16);
+	memset(uwsgi.cache_hashtable, 0, sizeof(uint64_t) * UMAX16);
 
-                uwsgi.cache_unused_stack = (uint64_t *) mmap(NULL, sizeof(uint64_t) * uwsgi.cache_max_items, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
-                if (!uwsgi.cache_unused_stack) {
-                        uwsgi_error("mmap()");
-                        exit(1);
-                }
+	uwsgi.cache_unused_stack = (uint64_t *) mmap(NULL, sizeof(uint64_t) * uwsgi.cache_max_items, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
+	if (!uwsgi.cache_unused_stack) {
+		uwsgi_error("mmap()");
+		exit(1);
+	}
 
-                memset(uwsgi.cache_unused_stack, 0, sizeof(uint64_t) * uwsgi.cache_max_items);
+	memset(uwsgi.cache_unused_stack, 0, sizeof(uint64_t) * uwsgi.cache_max_items);
 
-                // the first cache item is always zero
-                uwsgi.shared->cache_first_available_item = 1;
-                uwsgi.shared->cache_unused_stack_ptr = 0;
+	// the first cache item is always zero
+	uwsgi.shared->cache_first_available_item = 1;
+	uwsgi.shared->cache_unused_stack_ptr = 0;
 
-                //uwsgi.cache_items = (struct uwsgi_cache_item *) mmap(NULL, sizeof(struct uwsgi_cache_item) * uwsgi.cache_max_items, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
-                if (uwsgi.cache_store) {
-                        uwsgi.cache_filesize = (sizeof(struct uwsgi_cache_item) * uwsgi.cache_max_items) + (uwsgi.cache_blocksize * uwsgi.cache_max_items);
-                        int cache_fd;
-                        struct stat cst;
+	//uwsgi.cache_items = (struct uwsgi_cache_item *) mmap(NULL, sizeof(struct uwsgi_cache_item) * uwsgi.cache_max_items, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
+	if (uwsgi.cache_store) {
+		uwsgi.cache_filesize = (sizeof(struct uwsgi_cache_item) * uwsgi.cache_max_items) + (uwsgi.cache_blocksize * uwsgi.cache_max_items);
+		int cache_fd;
+		struct stat cst;
 
-                        if (stat(uwsgi.cache_store, &cst)) {
-                                uwsgi_log("creating a new cache store file: %s\n", uwsgi.cache_store);
-                                cache_fd = open(uwsgi.cache_store, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
-                                if (cache_fd >= 0) {
-                                        // fill the caching store
-                                        if (ftruncate(cache_fd, uwsgi.cache_filesize)) {
-                                                uwsgi_log("ftruncate()");
-                                                exit(1);
-                                        }
-                                }
-                        }
-                        else {
-                                if ((size_t) cst.st_size != uwsgi.cache_filesize || !S_ISREG(cst.st_mode)) {
-                                        uwsgi_log("invalid cache store file. Please remove it or fix cache blocksize/items to match its size\n");
-                                        exit(1);
-                                }
-                                cache_fd = open(uwsgi.cache_store, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
-                                uwsgi_log("recovered cache from backing store file: %s\n", uwsgi.cache_store);
-                        }
+		if (stat(uwsgi.cache_store, &cst)) {
+			uwsgi_log("creating a new cache store file: %s\n", uwsgi.cache_store);
+			cache_fd = open(uwsgi.cache_store, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
+			if (cache_fd >= 0) {
+				// fill the caching store
+				if (ftruncate(cache_fd, uwsgi.cache_filesize)) {
+					uwsgi_log("ftruncate()");
+					exit(1);
+				}
+			}
+		}
+		else {
+			if ((size_t) cst.st_size != uwsgi.cache_filesize || !S_ISREG(cst.st_mode)) {
+				uwsgi_log("invalid cache store file. Please remove it or fix cache blocksize/items to match its size\n");
+				exit(1);
+			}
+			cache_fd = open(uwsgi.cache_store, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
+			uwsgi_log("recovered cache from backing store file: %s\n", uwsgi.cache_store);
+		}
 
-                        if (cache_fd < 0) {
-                                uwsgi_error_open(uwsgi.cache_store);
-                                exit(1);
-                        }
-                        uwsgi.cache_items = (struct uwsgi_cache_item *) mmap(NULL, uwsgi.cache_filesize, PROT_READ | PROT_WRITE, MAP_SHARED, cache_fd, 0);
-                        uwsgi_cache_fix();
+		if (cache_fd < 0) {
+			uwsgi_error_open(uwsgi.cache_store);
+			exit(1);
+		}
+		uwsgi.cache_items = (struct uwsgi_cache_item *) mmap(NULL, uwsgi.cache_filesize, PROT_READ | PROT_WRITE, MAP_SHARED, cache_fd, 0);
+		uwsgi_cache_fix();
 
-                }
-                else {
-                        uwsgi.cache_items = (struct uwsgi_cache_item *) mmap(NULL, (sizeof(struct uwsgi_cache_item) * uwsgi.cache_max_items) + (uwsgi.cache_blocksize * uwsgi.cache_max_items), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
-			int i;
-                        for (i = 0; i < (int) uwsgi.cache_max_items; i++) {
-                                memset(&uwsgi.cache_items[i], 0, sizeof(struct uwsgi_cache_item));
-                        }
-                }
-                if (!uwsgi.cache_items) {
-                        uwsgi_error("mmap()");
-                        exit(1);
-                }
+	}
+	else {
+		uwsgi.cache_items = (struct uwsgi_cache_item *) mmap(NULL, (sizeof(struct uwsgi_cache_item) * uwsgi.cache_max_items) + (uwsgi.cache_blocksize * uwsgi.cache_max_items), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
+		int i;
+		for (i = 0; i < (int) uwsgi.cache_max_items; i++) {
+			memset(&uwsgi.cache_items[i], 0, sizeof(struct uwsgi_cache_item));
+		}
+	}
+	if (!uwsgi.cache_items) {
+		uwsgi_error("mmap()");
+		exit(1);
+	}
 
-                /*
-                   uwsgi.cache = mmap(NULL, uwsgi.cache_blocksize * uwsgi.cache_max_items, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
-                   if (!uwsgi.cache) {
-                   uwsgi_error("mmap()");
-                   exit(1);
-                   }
-                 */
+	/*
+	   uwsgi.cache = mmap(NULL, uwsgi.cache_blocksize * uwsgi.cache_max_items, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
+	   if (!uwsgi.cache) {
+	   uwsgi_error("mmap()");
+	   exit(1);
+	   }
+	 */
 
-                uwsgi.cache = ((void *) uwsgi.cache_items) + (sizeof(struct uwsgi_cache_item) * uwsgi.cache_max_items);
+	uwsgi.cache = ((void *) uwsgi.cache_items) + (sizeof(struct uwsgi_cache_item) * uwsgi.cache_max_items);
 
-                uwsgi.cache_lock = uwsgi_rwlock_init("cache");
+	uwsgi.cache_lock = uwsgi_rwlock_init("cache");
 
-                uwsgi_log("*** Cache subsystem initialized: %lluMB (key: %llu bytes, keys: %llu bytes, data: %llu bytes) preallocated ***\n",
-				(unsigned long long) ((uwsgi.cache_blocksize * uwsgi.cache_max_items) + (sizeof(struct uwsgi_cache_item) * uwsgi.cache_max_items)) / (1024 * 1024),
-				(unsigned long long) sizeof(struct uwsgi_cache_item),
-				(unsigned long long) (sizeof(struct uwsgi_cache_item) * uwsgi.cache_max_items),
-				(unsigned long long) (uwsgi.cache_blocksize * uwsgi.cache_max_items));
+	uwsgi_log("*** Cache subsystem initialized: %lluMB (key: %llu bytes, keys: %llu bytes, data: %llu bytes) preallocated ***\n", (unsigned long long) ((uwsgi.cache_blocksize * uwsgi.cache_max_items) + (sizeof(struct uwsgi_cache_item) * uwsgi.cache_max_items)) / (1024 * 1024), (unsigned long long) sizeof(struct uwsgi_cache_item), (unsigned long long) (sizeof(struct uwsgi_cache_item) * uwsgi.cache_max_items), (unsigned long long) (uwsgi.cache_blocksize * uwsgi.cache_max_items));
 }
 
 uint32_t djb33x_hash(char *key, int keylen) {
@@ -97,7 +93,7 @@ uint32_t djb33x_hash(char *key, int keylen) {
 	register uint32_t hash = 5381;
 	int i;
 
-	for(i=0;i<keylen;i++) {
+	for (i = 0; i < keylen; i++) {
 		hash = ((hash << 5) + hash) ^ key[i];
 	}
 
@@ -108,8 +104,8 @@ uint32_t djb33x_hash(char *key, int keylen) {
 static inline uint64_t uwsgi_cache_get_index(char *key, uint16_t keylen) {
 
 	uint32_t hash = djb33x_hash(key, keylen);
-	
-	int hash_key = hash % 0xffff;
+
+	uint32_t hash_key = hash % 0xffff;
 
 	uint64_t slot = uwsgi.cache_hashtable[hash_key];
 
@@ -121,19 +117,23 @@ static inline uint64_t uwsgi_cache_get_index(char *key, uint16_t keylen) {
 	uci = &uwsgi.cache_items[slot];
 
 	// first round
-	if (uci->djbhash != hash) return 0;
-	if (uci->keysize != keylen) goto cycle;
-	if (memcmp(uci->key, key, keylen)) goto cycle;
+	if (hash_key != uci->djbhash % 0xffff) return 0;
+	if (uci->djbhash != hash)
+		goto cycle;
+	if (uci->keysize != keylen)
+		goto cycle;
+	if (memcmp(uci->key, key, keylen))
+		goto cycle;
 
 	return slot;
 
 cycle:
-	while(uci->next) {
+	while (uci->next) {
 		slot = uci->next;
 		uci = &uwsgi.cache_items[slot];
 		rounds++;
 		if (rounds > uwsgi.cache_max_items) {
-			uwsgi_log("ALARM !!! cache-loop (and potential deadlock) detected slot = %llu prev = %llu next = %llu\n", uci->next, slot, uci->prev, uci->next);	
+			uwsgi_log("ALARM !!! cache-loop (and potential deadlock) detected slot = %llu prev = %llu next = %llu\n", uci->next, slot, uci->prev, uci->next);
 			// terrible case: the whole uWSGI stack can deadlock, leaving only the master alive
 			// if the master is avalable, trigger a brutal reload
 			if (uwsgi.master_process) {
@@ -144,9 +144,12 @@ cycle:
 				exit(1);
 			}
 		}
-		if (uci->djbhash != hash) return 0;
-		if (uci->keysize != keylen) continue;
-		if (!memcmp(uci->key, key, keylen)) return slot;
+		if (uci->djbhash != hash)
+			continue;
+		if (uci->keysize != keylen)
+			continue;
+		if (!memcmp(uci->key, key, keylen))
+			return slot;
 	}
 
 	return 0;
@@ -157,15 +160,16 @@ uint32_t uwsgi_cache_exists(char *key, uint16_t keylen) {
 	return uwsgi_cache_get_index(key, keylen);
 }
 
-char *uwsgi_cache_get(char *key, uint16_t keylen, uint64_t *valsize) {
+char *uwsgi_cache_get(char *key, uint16_t keylen, uint64_t * valsize) {
 
 	uint64_t index = uwsgi_cache_get_index(key, keylen);
 
 	if (index) {
-		if (uwsgi.cache_items[index].flags & UWSGI_CACHE_FLAG_UNGETTABLE) return NULL;
+		if (uwsgi.cache_items[index].flags & UWSGI_CACHE_FLAG_UNGETTABLE)
+			return NULL;
 		*valsize = uwsgi.cache_items[index].valsize;
 		uwsgi.cache_items[index].hits++;
-		return uwsgi.cache+(index*uwsgi.cache_blocksize);
+		return uwsgi.cache + (index * uwsgi.cache_blocksize);
 	}
 
 	return NULL;
@@ -180,20 +184,15 @@ int uwsgi_cache_del(char *key, uint16_t keylen, uint64_t index) {
 		index = uwsgi_cache_get_index(key, keylen);
 
 	if (index) {
-		uci = &uwsgi.cache_items[index] ;
+		uci = &uwsgi.cache_items[index];
 		uci->keysize = 0;
 		uci->valsize = 0;
 		uwsgi.shared->cache_unused_stack_ptr++;
 		uwsgi.cache_unused_stack[uwsgi.shared->cache_unused_stack_ptr] = index;
-		// try to return to initial condition...
-		if (index == uwsgi.shared->cache_first_available_item-1) {
-			uwsgi.shared->cache_first_available_item--;
-			//uwsgi_log("FACI: %llu STACK PTR: %llu\n", (unsigned long long) uwsgi.shared->cache_first_available_item, (unsigned long long) uwsgi.shared->cache_unused_stack_ptr);
-		}
 		ret = 0;
 		// relink collisioned entry
 		if (uci->prev) {
-			uwsgi.cache_items[uci->prev].next = uci->next;	
+			uwsgi.cache_items[uci->prev].next = uci->next;
 		}
 		else {
 			// set next as the new entry point (could be 0)
@@ -201,7 +200,7 @@ int uwsgi_cache_del(char *key, uint16_t keylen, uint64_t index) {
 		}
 
 		if (uci->next) {
-			uwsgi.cache_items[uci->next].prev = uci->prev;	
+			uwsgi.cache_items[uci->next].prev = uci->prev;
 		}
 
 		if (!uci->prev && !uci->next) {
@@ -222,12 +221,12 @@ void uwsgi_cache_fix() {
 
 	uint64_t i;
 
-	for(i=0;i< uwsgi.cache_max_items;i++) {
+	for (i = 0; i < uwsgi.cache_max_items; i++) {
 		// valid record ?
 		if (uwsgi.cache_items[i].keysize) {
 			if (!uwsgi.cache_items[i].prev) {
 				// put value in hash_table
-				uwsgi.cache_hashtable[ uwsgi.cache_items[i].djbhash % 0xffff] = i;
+				uwsgi.cache_hashtable[uwsgi.cache_items[i].djbhash % 0xffff] = i;
 			}
 		}
 		else {
@@ -241,15 +240,17 @@ void uwsgi_cache_fix() {
 
 int uwsgi_cache_set(char *key, uint16_t keylen, char *val, uint64_t vallen, uint64_t expires, uint16_t flags) {
 
-	uint64_t index = 0, last_index = 0 ;
+	uint64_t index = 0, last_index = 0;
 
 	struct uwsgi_cache_item *uci, *ucii;
 
 	int ret = -1;
 
-	if (!keylen || !vallen) return -1;
+	if (!keylen || !vallen)
+		return -1;
 
-	if (keylen > UWSGI_CACHE_MAX_KEY_SIZE) return -1;	
+	if (keylen > UWSGI_CACHE_MAX_KEY_SIZE)
+		return -1;
 
 	if (uwsgi.shared->cache_first_available_item >= uwsgi.cache_max_items && !uwsgi.shared->cache_unused_stack_ptr) {
 		uwsgi_log("*** DANGER cache is FULL !!! ***\n");
@@ -265,24 +266,25 @@ int uwsgi_cache_set(char *key, uint16_t keylen, char *val, uint64_t vallen, uint
 			uwsgi.shared->cache_unused_stack_ptr--;
 		}
 		else {
-			index = uwsgi.shared->cache_first_available_item;	
+			index = uwsgi.shared->cache_first_available_item;
 			if (uwsgi.shared->cache_first_available_item < uwsgi.cache_max_items) {
 				uwsgi.shared->cache_first_available_item++;
 			}
 		}
-		uci = &uwsgi.cache_items[index] ;
-		if (expires) expires += uwsgi_now();
+		uci = &uwsgi.cache_items[index];
+		if (expires)
+			expires += uwsgi_now();
 		uci->expires = expires;
 		uci->djbhash = djb33x_hash(key, keylen);
 		uci->hits = 0;
 		uci->flags = flags;
 		memcpy(uci->key, key, keylen);
-		memcpy(uwsgi.cache+(index*uwsgi.cache_blocksize), val, vallen);
+		memcpy(uwsgi.cache + (index * uwsgi.cache_blocksize), val, vallen);
 
 		// set this as late as possibile (to reduce races risk)
 
 		uci->valsize = vallen;
-		uci->keysize = keylen;	
+		uci->keysize = keylen;
 		ret = 0;
 		// now put the value in the 16bit hashtable
 		int slot = uci->djbhash % 0xffff;
@@ -297,29 +299,29 @@ int uwsgi_cache_set(char *key, uint16_t keylen, char *val, uint64_t vallen, uint
 			//uwsgi_log("HASH COLLISION !!!!\n");
 			// append to first available next
 			last_index = uwsgi.cache_hashtable[slot];
-			ucii = &uwsgi.cache_items[ last_index ];
-			while(ucii->next) {
+			ucii = &uwsgi.cache_items[last_index];
+			while (ucii->next) {
 				last_index = ucii->next;
-				ucii = &uwsgi.cache_items[ last_index ];
+				ucii = &uwsgi.cache_items[last_index];
 			}
 			ucii->next = index;
 			uci->prev = last_index;
 		}
 	}
 	else if (flags & UWSGI_CACHE_FLAG_UPDATE) {
-		uci = &uwsgi.cache_items[index] ;
+		uci = &uwsgi.cache_items[index];
 		if (expires) {
 			expires += uwsgi_now();
 			uci->expires = expires;
 		}
-		memcpy(uwsgi.cache+(index*uwsgi.cache_blocksize), val, vallen);
+		memcpy(uwsgi.cache + (index * uwsgi.cache_blocksize), val, vallen);
 		uci->valsize = vallen;
 		ret = 0;
 	}
 
 end:
 	return ret;
-	
+
 }
 
 /* THIS PART IS HEAVILY OPTIMIZED: PERFORMANCE NOT ELEGANCE !!! */
@@ -330,7 +332,7 @@ void *cache_thread_loop(void *fd_ptr) {
 	int fd = *fd_tmp;
 	int i;
 	ssize_t len;
-	char uwsgi_packet[UMAX16+4];
+	char uwsgi_packet[UMAX16 + 4];
 	struct uwsgi_header *uh = (struct uwsgi_header *) uwsgi_packet;
 	char *val;
 	uint64_t vallen;
@@ -343,7 +345,7 @@ void *cache_thread_loop(void *fd_ptr) {
 
 	ctl_poll.events = POLLIN;
 
-	for(;;) {
+	for (;;) {
 		ctl_sun_len = sizeof(struct sockaddr_un);
 		pthread_mutex_lock(&uwsgi.cache_server_lock);
 
@@ -356,55 +358,58 @@ void *cache_thread_loop(void *fd_ptr) {
 			continue;
 		}
 		i = 0;
-		while(i < 4) {
+		while (i < 4) {
 			len = poll(&ctl_poll, 1, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT]);
 			if (len <= 0) {
 				uwsgi_error("cache poll()");
 				goto clear;
 			}
-			len = read(ctl_poll.fd, uwsgi_packet+i, 4-i);
+			len = read(ctl_poll.fd, uwsgi_packet + i, 4 - i);
 			if (len < 0) {
 				uwsgi_error("cache read()");
 				goto clear;
 			}
-			i+=len;
+			i += len;
 		}
 
-		if (uh->pktsize == 0) goto clear;
+		if (uh->pktsize == 0)
+			goto clear;
 
-		while(i < 4+uh->pktsize) {
+		while (i < 4 + uh->pktsize) {
 			len = poll(&ctl_poll, 1, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT]);
 			if (len <= 0) {
 				uwsgi_error("cache poll()");
 				goto clear;
 			}
-			len = read(ctl_poll.fd, uwsgi_packet+i, (4+uh->pktsize)-i);
+			len = read(ctl_poll.fd, uwsgi_packet + i, (4 + uh->pktsize) - i);
 			if (len < 0) {
 				uwsgi_error("cache read()");
 				goto clear;
 			}
-			i+=len;
+			i += len;
 		}
 
-		watermark = uwsgi_packet+4+uh->pktsize;
+		watermark = uwsgi_packet + 4 + uh->pktsize;
 
 		// get first parameter
-		memcpy(&keylen, uwsgi_packet+4, 2);
+		memcpy(&keylen, uwsgi_packet + 4, 2);
 #ifdef __BIG_ENDIAN__
-        	keylen = uwsgi_swap16(keylen);
+		keylen = uwsgi_swap16(keylen);
 #endif
-		if (uwsgi_packet+6+keylen > watermark) goto clear;
-		key = uwsgi_packet+6+keylen+2;
-		memcpy(&keylen, key-2, 2);
+		if (uwsgi_packet + 6 + keylen > watermark)
+			goto clear;
+		key = uwsgi_packet + 6 + keylen + 2;
+		memcpy(&keylen, key - 2, 2);
 #ifdef __BIG_ENDIAN__
-        	keylen = uwsgi_swap16(keylen);
+		keylen = uwsgi_swap16(keylen);
 #endif
 
-		if (key+keylen > watermark) goto clear;
+		if (key + keylen > watermark)
+			goto clear;
 
 		val = uwsgi_cache_get(key, keylen, &vallen);
-                if (val && vallen > 0) {
-                	if (write(ctl_poll.fd, val, vallen) < 0) {
+		if (val && vallen > 0) {
+			if (write(ctl_poll.fd, val, vallen) < 0) {
 				uwsgi_error("cache write()");
 			}
 		}
@@ -419,32 +424,34 @@ clear:
 int uwsgi_cache_server(char *socket, int threads) {
 
 	int *fd = uwsgi_malloc(sizeof(int));
-	
+
 	int i;
 	pthread_t thread_id;
-        char *tcp_port = strchr(socket, ':');
-        if (tcp_port) {
-                *fd = bind_to_tcp(socket, uwsgi.listen_queue, tcp_port);
-        }
-        else {
-                *fd = bind_to_unix(socket, uwsgi.listen_queue, uwsgi.chmod_socket, uwsgi.abstract_socket);
-        }
+	char *tcp_port = strchr(socket, ':');
+	if (tcp_port) {
+		*fd = bind_to_tcp(socket, uwsgi.listen_queue, tcp_port);
+	}
+	else {
+		*fd = bind_to_unix(socket, uwsgi.listen_queue, uwsgi.chmod_socket, uwsgi.abstract_socket);
+	}
 
-        pthread_mutex_init(&uwsgi.cache_server_lock, NULL);
+	pthread_mutex_init(&uwsgi.cache_server_lock, NULL);
 
-	if (threads < 1) threads = 1;
+	if (threads < 1)
+		threads = 1;
 
 	uwsgi_log("*** cache-optimized server enabled on fd %d (%d threads) ***\n", *fd, threads);
 
-	for(i=0;i<threads;i++) {
+	for (i = 0; i < threads; i++) {
 		pthread_create(&thread_id, NULL, cache_thread_loop, (void *) fd);
 	}
 
-        return *fd;
+	return *fd;
 }
 
 int uwsgi_cache_enabled() {
-	if (uwsgi.cache_max_items > 0) return 1;
+	if (uwsgi.cache_max_items > 0)
+		return 1;
 	return 0;
 }
 

core/clock.c

@@ -4,11 +4,11 @@ extern struct uwsgi_server uwsgi;
 
 // in the future we will need to use the best clock source for each os/system
 time_t uwsgi_now() {
-        return uwsgi.clock->seconds();
+	return uwsgi.clock->seconds();
 }
 
 uint64_t uwsgi_micros() {
-        return uwsgi.clock->microseconds();
+	return uwsgi.clock->microseconds();
 }
 
 
@@ -22,7 +22,7 @@ void uwsgi_register_clock(struct uwsgi_clock *clock) {
 		return;
 	}
 
-	while(clocks) {
+	while (clocks) {
 		if (!clocks->next) {
 			clocks->next = clock;
 			return;
@@ -33,7 +33,7 @@ void uwsgi_register_clock(struct uwsgi_clock *clock) {
 
 void uwsgi_set_clock(char *name) {
 	struct uwsgi_clock *clocks = uwsgi.clocks;
-	while(clocks) {
+	while (clocks) {
 		if (!strcmp(name, clocks->name)) {
 			uwsgi.clock = clocks;
 			return;

core/cluster.c

@@ -7,7 +7,7 @@ extern struct uwsgi_server uwsgi;
 
 static void cluster_manage_opt(char *key, uint16_t keylen, char *value, uint16_t vallen, void *foobar) {
 
-	add_exported_option( uwsgi_concat2n(key, keylen, "", 0), uwsgi_concat2n(value, vallen, "", 0), 0);
+	add_exported_option(uwsgi_concat2n(key, keylen, "", 0), uwsgi_concat2n(value, vallen, "", 0), 0);
 
 }
 
@@ -15,45 +15,45 @@ void cluster_setup() {
 
 	int rlen;
 // get cluster configuration
-        if (uwsgi.cluster != NULL) {
-                // get multicast socket
+	if (uwsgi.cluster != NULL) {
+		// get multicast socket
 
-                uwsgi.cluster_fd = uwsgi_cluster_join(uwsgi.cluster);
+		uwsgi.cluster_fd = uwsgi_cluster_join(uwsgi.cluster);
 
-                uwsgi_log("JOINED CLUSTER: %s\n", uwsgi.cluster);
+		uwsgi_log("JOINED CLUSTER: %s\n", uwsgi.cluster);
 
-                // ask for cluster options only if bot pre-existent options are set
-                if (uwsgi.exported_opts_cnt == 1 && !uwsgi.cluster_nodes) {
-                        // now wait max 60 seconds and resend multicast request every 10 seconds
-                        for (;;) {
-                                uwsgi_log("asking \"%s\" uWSGI cluster for configuration data:\n", uwsgi.cluster);
-                                if (uwsgi_send_empty_pkt(uwsgi.cluster_fd, uwsgi.cluster, 99, 0) < 0) {
-                                        uwsgi_log("unable to send multicast message to %s\n", uwsgi.cluster);
-                                        continue;
-                                }
-                              waitfd:
-                                rlen = uwsgi_waitfd(uwsgi.cluster_fd, 10);
-                                if (rlen < 0) {
-                                        break;
-                                }
-                                else if (rlen > 0) {
-                                        // receive the packet
-                                        char clusterbuf[4096];
-                                        if (!uwsgi_hooked_parse_dict_dgram(uwsgi.cluster_fd, clusterbuf, 4096, 99, 1, cluster_manage_opt, NULL)) {
-                                                uwsgi_configure();
-                                                goto options_parsed;
-                                        }
-                                        else {
-                                                goto waitfd;
-                                        }
-                                }
-                        }
-                }
-              options_parsed:
+		// ask for cluster options only if bot pre-existent options are set
+		if (uwsgi.exported_opts_cnt == 1 && !uwsgi.cluster_nodes) {
+			// now wait max 60 seconds and resend multicast request every 10 seconds
+			for (;;) {
+				uwsgi_log("asking \"%s\" uWSGI cluster for configuration data:\n", uwsgi.cluster);
+				if (uwsgi_send_empty_pkt(uwsgi.cluster_fd, uwsgi.cluster, 99, 0) < 0) {
+					uwsgi_log("unable to send multicast message to %s\n", uwsgi.cluster);
+					continue;
+				}
+waitfd:
+				rlen = uwsgi_waitfd(uwsgi.cluster_fd, 10);
+				if (rlen < 0) {
+					break;
+				}
+				else if (rlen > 0) {
+					// receive the packet
+					char clusterbuf[4096];
+					if (!uwsgi_hooked_parse_dict_dgram(uwsgi.cluster_fd, clusterbuf, 4096, 99, 1, cluster_manage_opt, NULL)) {
+						uwsgi_configure();
+						goto options_parsed;
+					}
+					else {
+						goto waitfd;
+					}
+				}
+			}
+		}
+options_parsed:
 
-                if (!uwsgi.cluster_nodes)
-                        uwsgi_cluster_add_me();
-        }
+		if (!uwsgi.cluster_nodes)
+			uwsgi_cluster_add_me();
+	}
 }
 
 
@@ -61,404 +61,404 @@ void cluster_setup() {
 
 void uwsgi_cluster_add_node(struct uwsgi_cluster_node *nucn, int type) {
 
-        int i;
-        struct uwsgi_cluster_node *ucn;
-        char *tcp_port;
+	int i;
+	struct uwsgi_cluster_node *ucn;
+	char *tcp_port;
 
 #ifdef UWSGI_DEBUG
-        uwsgi_log("adding node\n");
+	uwsgi_log("adding node\n");
 #endif
 
-        tcp_port = strchr(nucn->name, ':');
+	tcp_port = strchr(nucn->name, ':');
 #ifndef UWSGI_ZEROMQ
-        if (tcp_port == NULL) {
+	if (tcp_port == NULL) {
 #else
-        char *zmq_dash = strchr(nucn->name, '-');
-        if (tcp_port == NULL && zmq_dash == NULL) {
+	char *zmq_dash = strchr(nucn->name, '-');
+	if (tcp_port == NULL && zmq_dash == NULL) {
 #endif
 
-                fprintf(stdout, "invalid cluster node name %s\n", nucn->name);
-                return;
-        }
+		fprintf(stdout, "invalid cluster node name %s\n", nucn->name);
+		return;
+	}
 
-        // first check for already present node
-        for (i = 0; i < MAX_CLUSTER_NODES; i++) {
-                ucn = &uwsgi.shared->nodes[i];
-                if (ucn->name[0] != 0) {
-                        if (!strcmp(ucn->name, nucn->name)) {
-                                ucn->status = UWSGI_NODE_OK;
-                                ucn->last_seen = uwsgi_now();
-                                // update requests
-                                ucn->requests = nucn->requests;
-                                return;
-                        }
-                }
-        }
+	// first check for already present node
+	for (i = 0; i < MAX_CLUSTER_NODES; i++) {
+		ucn = &uwsgi.shared->nodes[i];
+		if (ucn->name[0] != 0) {
+			if (!strcmp(ucn->name, nucn->name)) {
+				ucn->status = UWSGI_NODE_OK;
+				ucn->last_seen = uwsgi_now();
+				// update requests
+				ucn->requests = nucn->requests;
+				return;
+			}
+		}
+	}
 
-        for (i = 0; i < MAX_CLUSTER_NODES; i++) {
-                ucn = &uwsgi.shared->nodes[i];
+	for (i = 0; i < MAX_CLUSTER_NODES; i++) {
+		ucn = &uwsgi.shared->nodes[i];
 
-                if (ucn->name[0] == 0) {
-                        memcpy(ucn->name, nucn->name, strlen(nucn->name) + 1);
-                        memcpy(ucn->nodename, nucn->nodename, strlen(nucn->nodename) + 1);
-                        ucn->workers = nucn->workers;
-                        ucn->ucn_addr.sin_family = AF_INET;
-                        if (tcp_port) {
-                                ucn->ucn_addr.sin_port = htons(atoi(tcp_port + 1));
-                                tcp_port[0] = 0;
-                        }
-                        if (nucn->name[0] == 0) {
-                                ucn->ucn_addr.sin_addr.s_addr = INADDR_ANY;
-                        }
-                        else {
+		if (ucn->name[0] == 0) {
+			memcpy(ucn->name, nucn->name, strlen(nucn->name) + 1);
+			memcpy(ucn->nodename, nucn->nodename, strlen(nucn->nodename) + 1);
+			ucn->workers = nucn->workers;
+			ucn->ucn_addr.sin_family = AF_INET;
+			if (tcp_port) {
+				ucn->ucn_addr.sin_port = htons(atoi(tcp_port + 1));
+				tcp_port[0] = 0;
+			}
+			if (nucn->name[0] == 0) {
+				ucn->ucn_addr.sin_addr.s_addr = INADDR_ANY;
+			}
+			else {
 #ifdef UWSGI_DEBUG
-                                uwsgi_log("%s\n", nucn->name);
+				uwsgi_log("%s\n", nucn->name);
 #endif
-                                ucn->ucn_addr.sin_addr.s_addr = inet_addr(nucn->name);
-                        }
+				ucn->ucn_addr.sin_addr.s_addr = inet_addr(nucn->name);
+			}
 
-                        ucn->type = type;
-                        // here memory can be freed, as it is allocated by uwsgi_concat2n
-                        if (type != CLUSTER_NODE_DYNAMIC && tcp_port) {
-                                tcp_port[0] = ':';
-                        }
-                        ucn->last_seen = uwsgi_now();
-                        ucn->requests = nucn->requests;
-                        uwsgi_log("[uWSGI cluster] added node %s\n", ucn->name);
-                        return;
-                }
-        }
+			ucn->type = type;
+			// here memory can be freed, as it is allocated by uwsgi_concat2n
+			if (type != CLUSTER_NODE_DYNAMIC && tcp_port) {
+				tcp_port[0] = ':';
+			}
+			ucn->last_seen = uwsgi_now();
+			ucn->requests = nucn->requests;
+			uwsgi_log("[uWSGI cluster] added node %s\n", ucn->name);
+			return;
+		}
+	}
 
-        uwsgi_log("unable to add node %s\n", nucn->name);
+	uwsgi_log("unable to add node %s\n", nucn->name);
 }
 
 
 
 int uwsgi_cluster_add_me() {
 
-        const char *key1 = "hostname";
-        const char *key2 = "address";
-        const char *key3 = "workers";
-        const char *key4 = "requests";
+	const char *key1 = "hostname";
+	const char *key2 = "address";
+	const char *key3 = "workers";
+	const char *key4 = "requests";
 
-        char *ptrbuf;
-        uint16_t ustrlen;
-        char numproc[6];
+	char *ptrbuf;
+	uint16_t ustrlen;
+	char numproc[6];
 
 #ifdef UWSGI_ZEROMQ
-        char uuid_zmq_str[37];
-        uuid_t uuid_zmq;
-        if (!uwsgi.sockets && !uwsgi.zeromq) {
+	char uuid_zmq_str[37];
+	uuid_t uuid_zmq;
+	if (!uwsgi.sockets && !uwsgi.zeromq) {
 #else
-        if (!uwsgi.sockets) {
+	if (!uwsgi.sockets) {
 #endif
-                uwsgi_log("you need to specify at least a socket to start a uWSGI cluster\n");
-                exit(1);
-        }
+		uwsgi_log("you need to specify at least a socket to start a uWSGI cluster\n");
+		exit(1);
+	}
 
-        snprintf(numproc, 6, "%d", uwsgi.numproc);
+	snprintf(numproc, 6, "%d", uwsgi.numproc);
 
-        size_t len;
+	size_t len;
 
-        if (uwsgi.sockets) {
-                len = 2 + strlen(key1) + 2 + strlen(uwsgi.hostname) + 2 + strlen(key2) + 2 + strlen(uwsgi.sockets->name) + 2 + strlen(key3) + 2 + strlen(numproc) + 2 + strlen(key4) + 2 + 1;
-        }
+	if (uwsgi.sockets) {
+		len = 2 + strlen(key1) + 2 + strlen(uwsgi.hostname) + 2 + strlen(key2) + 2 + strlen(uwsgi.sockets->name) + 2 + strlen(key3) + 2 + strlen(numproc) + 2 + strlen(key4) + 2 + 1;
+	}
 #ifdef UWSGI_ZEROMQ
-        else if (uwsgi.zeromq) {
-                uuid_generate(uuid_zmq);
-                uuid_unparse(uuid_zmq, uuid_zmq_str);
-                len = 2 + strlen(key1) + 2 + strlen(uwsgi.hostname) + 2 + strlen(key2) + 2 + strlen(uuid_zmq_str) + 2 + strlen(key3) + 2 + strlen(numproc) + 2 + strlen(key4) + 2 + 1;
-        }
+	else if (uwsgi.zeromq) {
+		uuid_generate(uuid_zmq);
+		uuid_unparse(uuid_zmq, uuid_zmq_str);
+		len = 2 + strlen(key1) + 2 + strlen(uwsgi.hostname) + 2 + strlen(key2) + 2 + strlen(uuid_zmq_str) + 2 + strlen(key3) + 2 + strlen(numproc) + 2 + strlen(key4) + 2 + 1;
+	}
 #endif
-        else {
-                len = 2 + strlen(key1) + 2 + strlen(uwsgi.hostname) + 2 + strlen(key3) + 2 + strlen(numproc) + 2 + strlen(key4) + 2 + 1;
-        }
-        char *buf = uwsgi_malloc(len);
+	else {
+		len = 2 + strlen(key1) + 2 + strlen(uwsgi.hostname) + 2 + strlen(key3) + 2 + strlen(numproc) + 2 + strlen(key4) + 2 + 1;
+	}
+	char *buf = uwsgi_malloc(len);
 
-        ptrbuf = buf;
+	ptrbuf = buf;
 
-        ustrlen = strlen(key1);
-        *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
-        *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
-        memcpy(ptrbuf, key1, strlen(key1));
-        ptrbuf += strlen(key1);
+	ustrlen = strlen(key1);
+	*ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+	*ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ptrbuf, key1, strlen(key1));
+	ptrbuf += strlen(key1);
 
-        ustrlen = strlen(uwsgi.hostname);
-        *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
-        *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
-        memcpy(ptrbuf, uwsgi.hostname, strlen(uwsgi.hostname));
-        ptrbuf += strlen(uwsgi.hostname);
+	ustrlen = strlen(uwsgi.hostname);
+	*ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+	*ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ptrbuf, uwsgi.hostname, strlen(uwsgi.hostname));
+	ptrbuf += strlen(uwsgi.hostname);
 
 
-        if (uwsgi.sockets && uwsgi.sockets->name) {
-                ustrlen = strlen(key2);
-                *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
-                *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
-                memcpy(ptrbuf, key2, strlen(key2));
-                ptrbuf += strlen(key2);
+	if (uwsgi.sockets && uwsgi.sockets->name) {
+		ustrlen = strlen(key2);
+		*ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+		*ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+		memcpy(ptrbuf, key2, strlen(key2));
+		ptrbuf += strlen(key2);
 
-                ustrlen = strlen(uwsgi.sockets->name);
-                *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
-                *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
-                memcpy(ptrbuf, uwsgi.sockets->name, strlen(uwsgi.sockets->name));
-                ptrbuf += strlen(uwsgi.sockets->name);
-        }
+		ustrlen = strlen(uwsgi.sockets->name);
+		*ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+		*ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+		memcpy(ptrbuf, uwsgi.sockets->name, strlen(uwsgi.sockets->name));
+		ptrbuf += strlen(uwsgi.sockets->name);
+	}
 #ifdef UWSGI_ZEROMQ
-        else if (uwsgi.zeromq) {
-                ustrlen = strlen(key2);
-                *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
-                *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
-                memcpy(ptrbuf, key2, strlen(key2));
-                ptrbuf += strlen(key2);
+	else if (uwsgi.zeromq) {
+		ustrlen = strlen(key2);
+		*ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+		*ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+		memcpy(ptrbuf, key2, strlen(key2));
+		ptrbuf += strlen(key2);
 
-                ustrlen = strlen(uuid_zmq_str);
-                *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
-                *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
-                memcpy(ptrbuf, uuid_zmq_str, strlen(uuid_zmq_str));
-                ptrbuf += strlen(uuid_zmq_str);
-        }
+		ustrlen = strlen(uuid_zmq_str);
+		*ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+		*ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+		memcpy(ptrbuf, uuid_zmq_str, strlen(uuid_zmq_str));
+		ptrbuf += strlen(uuid_zmq_str);
+	}
 #endif
 
 
 	ustrlen = strlen(key3);
-        *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
-        *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
-        memcpy(ptrbuf, key3, strlen(key3));
-        ptrbuf += strlen(key3);
+	*ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+	*ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ptrbuf, key3, strlen(key3));
+	ptrbuf += strlen(key3);
 
-        ustrlen = strlen(numproc);
-        *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
-        *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
-        memcpy(ptrbuf, numproc, strlen(numproc));
-        ptrbuf += strlen(numproc);
+	ustrlen = strlen(numproc);
+	*ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+	*ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ptrbuf, numproc, strlen(numproc));
+	ptrbuf += strlen(numproc);
 
-        ustrlen = strlen(key4);
-        *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
-        *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
-        memcpy(ptrbuf, key4, strlen(key4));
-        ptrbuf += strlen(key4);
+	ustrlen = strlen(key4);
+	*ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+	*ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ptrbuf, key4, strlen(key4));
+	ptrbuf += strlen(key4);
 
-        ustrlen = 1;
-        *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
-        *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
-        memcpy(ptrbuf, "0", 1);
-        ptrbuf += 1;
+	ustrlen = 1;
+	*ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+	*ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ptrbuf, "0", 1);
+	ptrbuf += 1;
 
 
-        uwsgi_string_sendto(uwsgi.cluster_fd, 95, 0, (struct sockaddr *) &uwsgi.mc_cluster_addr, sizeof(uwsgi.mc_cluster_addr), buf, len);
+	uwsgi_string_sendto(uwsgi.cluster_fd, 95, 0, (struct sockaddr *) &uwsgi.mc_cluster_addr, sizeof(uwsgi.mc_cluster_addr), buf, len);
 
-        free(buf);
+	free(buf);
 
 #ifdef UWSGI_DEBUG
-        uwsgi_log("add_me() successfull\n");
+	uwsgi_log("add_me() successfull\n");
 #endif
 
-        return 0;
+	return 0;
 }
 
 
 int uwsgi_cluster_join(char *name) {
 
-        int fd;
-        char *cp;
-        int broadcast = 0;
+	int fd;
+	char *cp;
+	int broadcast = 0;
 
 
 
-        if (name[0] == ':') {
-                fd = bind_to_udp(name, 0, 1);
-                broadcast = 1;
-        }
-        else {
-                fd = bind_to_udp(name, 1, 0);
-        }
+	if (name[0] == ':') {
+		fd = bind_to_udp(name, 0, 1);
+		broadcast = 1;
+	}
+	else {
+		fd = bind_to_udp(name, 1, 0);
+	}
 
-        if (fd >= 0) {
-                cp = strchr(name, ':');
-                cp[0] = 0;
-                uwsgi.mc_cluster_addr.sin_family = AF_INET;
-                if (broadcast) {
-                        uwsgi.mc_cluster_addr.sin_addr.s_addr = INADDR_BROADCAST;
-                }
-                else {
-                        uwsgi.mc_cluster_addr.sin_addr.s_addr = inet_addr(name);
-                }
-                uwsgi.mc_cluster_addr.sin_port = htons(atoi(cp + 1));
-                cp[0] = ':';
+	if (fd >= 0) {
+		cp = strchr(name, ':');
+		cp[0] = 0;
+		uwsgi.mc_cluster_addr.sin_family = AF_INET;
+		if (broadcast) {
+			uwsgi.mc_cluster_addr.sin_addr.s_addr = INADDR_BROADCAST;
+		}
+		else {
+			uwsgi.mc_cluster_addr.sin_addr.s_addr = inet_addr(name);
+		}
+		uwsgi.mc_cluster_addr.sin_port = htons(atoi(cp + 1));
+		cp[0] = ':';
 
 
-                // announce my presence to all the nodes
-                uwsgi_string_sendto(fd, 73, 0, (struct sockaddr *) &uwsgi.mc_cluster_addr, sizeof(uwsgi.mc_cluster_addr), uwsgi.hostname, strlen(uwsgi.hostname));
-        }
-        else {
-                exit(1);
-        }
+		// announce my presence to all the nodes
+		uwsgi_string_sendto(fd, 73, 0, (struct sockaddr *) &uwsgi.mc_cluster_addr, sizeof(uwsgi.mc_cluster_addr), uwsgi.hostname, strlen(uwsgi.hostname));
+	}
+	else {
+		exit(1);
+	}
 
 
-        return fd;
+	return fd;
 
 }
 
 
 char *uwsgi_cluster_best_node() {
 
-        int i;
-        int best_node = -1;
-        struct uwsgi_cluster_node *ucn;
+	int i;
+	int best_node = -1;
+	struct uwsgi_cluster_node *ucn;
 
-        for (i = 0; i < MAX_CLUSTER_NODES; i++) {
-                ucn = &uwsgi.shared->nodes[i];
-                if (ucn->name[0] != 0 && ucn->status == UWSGI_NODE_OK) {
-                        if (best_node == -1) {
-                                best_node = i;
-                        }
-                        else {
-                                if (ucn->last_choosen < uwsgi.shared->nodes[best_node].last_choosen) {
-                                        best_node = i;
-                                }
-                        }
-                }
-        }
+	for (i = 0; i < MAX_CLUSTER_NODES; i++) {
+		ucn = &uwsgi.shared->nodes[i];
+		if (ucn->name[0] != 0 && ucn->status == UWSGI_NODE_OK) {
+			if (best_node == -1) {
+				best_node = i;
+			}
+			else {
+				if (ucn->last_choosen < uwsgi.shared->nodes[best_node].last_choosen) {
+					best_node = i;
+				}
+			}
+		}
+	}
 
-        if (best_node == -1) {
-                return NULL;
-        }
+	if (best_node == -1) {
+		return NULL;
+	}
 
-        uwsgi.shared->nodes[best_node].last_choosen = uwsgi_now();
-        return uwsgi.shared->nodes[best_node].name;
+	uwsgi.shared->nodes[best_node].last_choosen = uwsgi_now();
+	return uwsgi.shared->nodes[best_node].name;
 }
 
 
 void manage_cluster_announce(char *key, uint16_t keylen, char *val, uint16_t vallen, void *data) {
 
-        char *tmpstr;
-        struct uwsgi_cluster_node *ucn = (struct uwsgi_cluster_node *) data;
+	char *tmpstr;
+	struct uwsgi_cluster_node *ucn = (struct uwsgi_cluster_node *) data;
 
 #ifdef UWSGI_DEBUG
-        uwsgi_log("%.*s = %.*s\n", keylen, key, vallen, val);
+	uwsgi_log("%.*s = %.*s\n", keylen, key, vallen, val);
 #endif
 
-        if (!uwsgi_strncmp("hostname", 8, key, keylen)) {
-                strncpy(ucn->nodename, val, UMIN(vallen, 255));
-        }
+	if (!uwsgi_strncmp("hostname", 8, key, keylen)) {
+		strncpy(ucn->nodename, val, UMIN(vallen, 255));
+	}
 
-        if (!uwsgi_strncmp("address", 7, key, keylen)) {
-                strncpy(ucn->name, val, UMIN(vallen, 100));
-        }
+	if (!uwsgi_strncmp("address", 7, key, keylen)) {
+		strncpy(ucn->name, val, UMIN(vallen, 100));
+	}
 
-        if (!uwsgi_strncmp("workers", 7, key, keylen)) {
-                tmpstr = uwsgi_concat2n(val, vallen, "", 0);
-                ucn->workers = atoi(tmpstr);
-                free(tmpstr);
-        }
+	if (!uwsgi_strncmp("workers", 7, key, keylen)) {
+		tmpstr = uwsgi_concat2n(val, vallen, "", 0);
+		ucn->workers = atoi(tmpstr);
+		free(tmpstr);
+	}
 
-        if (!uwsgi_strncmp("requests", 8, key, keylen)) {
-                tmpstr = uwsgi_concat2n(val, vallen, "", 0);
-                ucn->requests = strtoul(tmpstr, NULL, 0);
-                free(tmpstr);
-        }
+	if (!uwsgi_strncmp("requests", 8, key, keylen)) {
+		tmpstr = uwsgi_concat2n(val, vallen, "", 0);
+		ucn->requests = strtoul(tmpstr, NULL, 0);
+		free(tmpstr);
+	}
 }
 
 void manage_cluster_message(char *cluster_opt_buf, int cluster_opt_size) {
 
-		struct uwsgi_cluster_node nucn;
+	struct uwsgi_cluster_node nucn;
 
-		switch (uwsgi.workers[0].cores[0].req.uh.modifier1) {
-                                        case 95:
-                                                memset(&nucn, 0, sizeof(struct uwsgi_cluster_node));
+	switch (uwsgi.workers[0].cores[0].req.uh.modifier1) {
+	case 95:
+		memset(&nucn, 0, sizeof(struct uwsgi_cluster_node));
 
 #ifdef __BIG_ENDIAN__
-                                                uwsgi.workers[0].cores[0].req.uh.pktsize = uwsgi_swap16(uwsgi.wsgi_requests[0]->uh.pktsize);
+		uwsgi.workers[0].cores[0].req.uh.pktsize = uwsgi_swap16(uwsgi.workers[0].cores[0].req.uh.pktsize);
 #endif
-                                                uwsgi_hooked_parse(uwsgi.workers[0].cores[0].req.buffer, uwsgi.workers[0].cores[0].req.uh.pktsize, manage_cluster_announce, &nucn);
-                                                if (nucn.name[0] != 0) {
-                                                        uwsgi_cluster_add_node(&nucn, CLUSTER_NODE_DYNAMIC);
-                                                }
-                                                break;
-                                        case 96:
+		uwsgi_hooked_parse(uwsgi.workers[0].cores[0].req.buffer, uwsgi.workers[0].cores[0].req.uh.pktsize, manage_cluster_announce, &nucn);
+		if (nucn.name[0] != 0) {
+			uwsgi_cluster_add_node(&nucn, CLUSTER_NODE_DYNAMIC);
+		}
+		break;
+	case 96:
 #ifdef __BIG_ENDIAN__
-                                                uwsgi.workers[0].cores[0].req.uh.pktsize = uwsgi_swap16(uwsgi.wsgi_requests[0]->uh.pktsize);
+		uwsgi.workers[0].cores[0].req.uh.pktsize = uwsgi_swap16(uwsgi.workers[0].cores[0].req.uh.pktsize);
 #endif
-                                                uwsgi_log_verbose("%.*s\n", uwsgi.workers[0].cores[0].req.uh.pktsize, uwsgi.workers[0].cores[0].req.buffer);
-                                                break;
-                                        case 98:
-                                                if (kill(getpid(), SIGHUP)) {
-                                                        uwsgi_error("kill()");
-                                                }
-                                                break;
-                                        case 99:
-                                                if (uwsgi.cluster_nodes)
-                                                        break;
-                                                if (uwsgi.workers[0].cores[0].req.uh.modifier2 == 0) {
-                                                        uwsgi_log("requested configuration data, sending %d bytes\n", cluster_opt_size);
-                                                        sendto(uwsgi.cluster_fd, cluster_opt_buf, cluster_opt_size, 0, (struct sockaddr *) &uwsgi.mc_cluster_addr, sizeof(uwsgi.mc_cluster_addr));
-                                                }
-                                                break;
-                                        case 73:
+		uwsgi_log_verbose("%.*s\n", uwsgi.workers[0].cores[0].req.uh.pktsize, uwsgi.workers[0].cores[0].req.buffer);
+		break;
+	case 98:
+		if (kill(getpid(), SIGHUP)) {
+			uwsgi_error("kill()");
+		}
+		break;
+	case 99:
+		if (uwsgi.cluster_nodes)
+			break;
+		if (uwsgi.workers[0].cores[0].req.uh.modifier2 == 0) {
+			uwsgi_log("requested configuration data, sending %d bytes\n", cluster_opt_size);
+			sendto(uwsgi.cluster_fd, cluster_opt_buf, cluster_opt_size, 0, (struct sockaddr *) &uwsgi.mc_cluster_addr, sizeof(uwsgi.mc_cluster_addr));
+		}
+		break;
+	case 73:
 #ifdef __BIG_ENDIAN__
-                                                uwsgi.workers[0].cores[0].req.uh.pktsize = uwsgi_swap16(uwsgi.workers[0].cores[0].req.uh.pktsize);
+		uwsgi.workers[0].cores[0].req.uh.pktsize = uwsgi_swap16(uwsgi.workers[0].cores[0].req.uh.pktsize);
 #endif
-                                                uwsgi_log_verbose("[uWSGI cluster %s] new node available: %.*s\n", uwsgi.cluster, uwsgi.workers[0].cores[0].req.uh.pktsize, uwsgi.workers[0].cores[0].req.buffer);
-                                                break;
-                                        }
+		uwsgi_log_verbose("[uWSGI cluster %s] new node available: %.*s\n", uwsgi.cluster, uwsgi.workers[0].cores[0].req.uh.pktsize, uwsgi.workers[0].cores[0].req.buffer);
+		break;
+	}
 }
 
 #endif
 
 
-char *uwsgi_setup_clusterbuf(size_t *size) {
+char *uwsgi_setup_clusterbuf(size_t * size) {
 
 	size_t cluster_opt_size = 4;
 	int i;
 
 	for (i = 0; i < uwsgi.exported_opts_cnt; i++) {
-                        //uwsgi_log("%s\n", uwsgi.exported_opts[i]->key);
-                        cluster_opt_size += 2 + strlen(uwsgi.exported_opts[i]->key);
-                        if (uwsgi.exported_opts[i]->value) {
-                                cluster_opt_size += 2 + strlen(uwsgi.exported_opts[i]->value);
-                        }
-                        else {
-                                cluster_opt_size += 2 + 1;
-                        }
-                }
+		//uwsgi_log("%s\n", uwsgi.exported_opts[i]->key);
+		cluster_opt_size += 2 + strlen(uwsgi.exported_opts[i]->key);
+		if (uwsgi.exported_opts[i]->value) {
+			cluster_opt_size += 2 + strlen(uwsgi.exported_opts[i]->value);
+		}
+		else {
+			cluster_opt_size += 2 + 1;
+		}
+	}
 
-                //uwsgi_log("cluster opts size: %d\n", cluster_opt_size);
-                char *cluster_opt_buf = uwsgi_malloc(cluster_opt_size);
+	//uwsgi_log("cluster opts size: %d\n", cluster_opt_size);
+	char *cluster_opt_buf = uwsgi_malloc(cluster_opt_size);
 
-                struct uwsgi_header *uh = (struct uwsgi_header *) cluster_opt_buf;
+	struct uwsgi_header *uh = (struct uwsgi_header *) cluster_opt_buf;
 
-                uh->modifier1 = 99;
-                uh->pktsize = cluster_opt_size - 4;
-                uh->modifier2 = 1;
+	uh->modifier1 = 99;
+	uh->pktsize = cluster_opt_size - 4;
+	uh->modifier2 = 1;
 
 #ifdef __BIG_ENDIAN__
-                uh->pktsize = uwsgi_swap16(uh->pktsize);
+	uh->pktsize = uwsgi_swap16(uh->pktsize);
 #endif
 
-                char *cptrbuf = cluster_opt_buf + 4;
+	char *cptrbuf = cluster_opt_buf + 4;
 
-                for (i = 0; i < uwsgi.exported_opts_cnt; i++) {
-                        //uwsgi_log("%s\n", uwsgi.exported_opts[i]->key);
-                        uint16_t ustrlen = strlen(uwsgi.exported_opts[i]->key);
-                        *cptrbuf++ = (uint8_t) (ustrlen & 0xff);
-                        *cptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
-                        memcpy(cptrbuf, uwsgi.exported_opts[i]->key, ustrlen);
-                        cptrbuf += ustrlen;
+	for (i = 0; i < uwsgi.exported_opts_cnt; i++) {
+		//uwsgi_log("%s\n", uwsgi.exported_opts[i]->key);
+		uint16_t ustrlen = strlen(uwsgi.exported_opts[i]->key);
+		*cptrbuf++ = (uint8_t) (ustrlen & 0xff);
+		*cptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+		memcpy(cptrbuf, uwsgi.exported_opts[i]->key, ustrlen);
+		cptrbuf += ustrlen;
 
-                        if (uwsgi.exported_opts[i]->value) {
-                                ustrlen = strlen(uwsgi.exported_opts[i]->value);
-                                *cptrbuf++ = (uint8_t) (ustrlen & 0xff);
-                                *cptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
-                                memcpy(cptrbuf, uwsgi.exported_opts[i]->value, ustrlen);
-                        }
-                        else {
-                                ustrlen = 1;
-                                *cptrbuf++ = (uint8_t) (ustrlen & 0xff);
-                                *cptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
-                                *cptrbuf = '1';
-                        }
-                        cptrbuf += ustrlen;
-                }
+		if (uwsgi.exported_opts[i]->value) {
+			ustrlen = strlen(uwsgi.exported_opts[i]->value);
+			*cptrbuf++ = (uint8_t) (ustrlen & 0xff);
+			*cptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+			memcpy(cptrbuf, uwsgi.exported_opts[i]->value, ustrlen);
+		}
+		else {
+			ustrlen = 1;
+			*cptrbuf++ = (uint8_t) (ustrlen & 0xff);
+			*cptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+			*cptrbuf = '1';
+		}
+		cptrbuf += ustrlen;
+	}
 
-		return cluster_opt_buf;
+	return cluster_opt_buf;
 }

core/daemons.c

@@ -30,8 +30,18 @@ extern struct uwsgi_server uwsgi;
 */
 
 void uwsgi_daemons_smart_check() {
+	static time_t last_run = 0;
+
+	time_t now = uwsgi_now();
+
+	if (now - last_run <= 0) {
+		return;
+	}
+
+	last_run = now;
+
 	struct uwsgi_daemon *ud = uwsgi.daemons;
-        while (ud) {
+	while (ud) {
 		if (ud->pidfile) {
 			int checked_pid = uwsgi_check_pidfile(ud->pidfile);
 			if (checked_pid <= 0) {
@@ -41,14 +51,14 @@ void uwsgi_daemons_smart_check() {
 				}
 				else {
 					ud->pidfile_checks++;
-					if (ud->pidfile_checks >= (uint64_t) ud->freq) {
+					if (ud->pidfile_checks >= (unsigned int) ud->freq) {
 						uwsgi_log("[uwsgi-daemons] found changed pidfile for \"%s\" (old_pid: %d new_pid: %d)\n", ud->command, (int) ud->pid, (int) checked_pid);
 						uwsgi_spawn_daemon(ud);
 					}
 				}
 			}
 			else if (checked_pid != ud->pid) {
-				uwsgi_log("[uwsgi-daemons] found changed pidfile for \"%s\" (old_pid: %d new_pid: %d)\n", ud->command, (int) ud->pid, (int) checked_pid);
+				uwsgi_log("[uwsgi-daemons] found changed pid for \"%s\" (old_pid: %d new_pid: %d)\n", ud->command, (int) ud->pid, (int) checked_pid);
 				ud->pid = checked_pid;
 			}
 			// all ok, pidfile and process found
@@ -63,12 +73,12 @@ void uwsgi_daemons_smart_check() {
 // this function is called when a dumb daemon dies and we do not wat to respawn it
 int uwsgi_daemon_check_pid_death(pid_t diedpid) {
 	struct uwsgi_daemon *ud = uwsgi.daemons;
-        while (ud) {
-        	if (ud->pid == diedpid && !ud->pidfile) {
-                	uwsgi_log("daemon \"%s\" (pid: %d) annihilated\n", ud->command, (int) diedpid);
+	while (ud) {
+		if (ud->pid == diedpid && !ud->pidfile) {
+			uwsgi_log("daemon \"%s\" (pid: %d) annihilated\n", ud->command, (int) diedpid);
 			return -1;
-                }
-                ud = ud->next;
+		}
+		ud = ud->next;
 	}
 	return 0;
 }
@@ -76,13 +86,13 @@ int uwsgi_daemon_check_pid_death(pid_t diedpid) {
 // this function is called when a dumb daemon dies and we want to respawn it
 int uwsgi_daemon_check_pid_reload(pid_t diedpid) {
 	struct uwsgi_daemon *ud = uwsgi.daemons;
-        while (ud) {
-        	if (ud->pid == diedpid && !ud->pidfile) {
-                        uwsgi_spawn_daemon(ud);
+	while (ud) {
+		if (ud->pid == diedpid && !ud->pidfile) {
+			uwsgi_spawn_daemon(ud);
 			return 1;
-                }
-        	ud = ud->next;
-        }
+		}
+		ud = ud->next;
+	}
 	return 0;
 }
 
@@ -97,16 +107,17 @@ int uwsgi_check_pidfile(char *filename) {
 		goto end;
 	}
 	if (fstat(fd, &st)) {
-                uwsgi_error("fstat()");
-                goto end2;
-        }	
-	char *pidstr = uwsgi_calloc(st.st_size+1);
+		uwsgi_error("fstat()");
+		goto end2;
+	}
+	char *pidstr = uwsgi_calloc(st.st_size + 1);
 	if (read(fd, pidstr, st.st_size) != st.st_size) {
 		uwsgi_error("read()");
 		goto end3;
 	}
 	pid_t pid = atoi(pidstr);
-	if (pid <= 0) goto end3;
+	if (pid <= 0)
+		goto end3;
 	if (!kill(pid, 0)) {
 		ret = pid;
 	}
@@ -120,8 +131,8 @@ end:
 
 void uwsgi_daemons_spawn_all() {
 	struct uwsgi_daemon *ud = uwsgi.daemons;
-        while (ud) {
-                if (!ud->registered) {
+	while (ud) {
+		if (!ud->registered) {
 			if (ud->pidfile) {
 				int checked_pid = uwsgi_check_pidfile(ud->pidfile);
 				if (checked_pid <= 0) {
@@ -133,117 +144,118 @@ void uwsgi_daemons_spawn_all() {
 				}
 			}
 			else {
-                        	uwsgi_spawn_daemon(ud);
+				uwsgi_spawn_daemon(ud);
 			}
-                        ud->registered = 1;
-                }
-                ud = ud->next;
-        }
+			ud->registered = 1;
+		}
+		ud = ud->next;
+	}
 }
 
 
 void uwsgi_detach_daemons() {
 	struct uwsgi_daemon *ud = uwsgi.daemons;
-        while (ud) {
-                if (ud->pid > 0 && !ud->pidfile)
-                        kill(-ud->pid, SIGKILL);
-                ud = ud->next;
-        }
+	while (ud) {
+		if (ud->pid > 0 && !ud->pidfile)
+			kill(-ud->pid, SIGKILL);
+		ud = ud->next;
+	}
 }
 
 
 void uwsgi_spawn_daemon(struct uwsgi_daemon *ud) {
 
-        int devnull = -1;
-        int throttle = 0;
+	int devnull = -1;
+	int throttle = 0;
 
-        if (uwsgi.current_time - ud->last_spawn <= 3) {
-                throttle = ud->respawns - (uwsgi.current_time - ud->last_spawn);
-        }
+	if (uwsgi.current_time - ud->last_spawn <= 3) {
+		throttle = ud->respawns - (uwsgi.current_time - ud->last_spawn);
+	}
 
-        pid_t pid = uwsgi_fork("uWSGI external daemon");
-        if (pid < 0) {
-                uwsgi_error("fork()");
-                return;
-        }
+	pid_t pid = uwsgi_fork("uWSGI external daemon");
+	if (pid < 0) {
+		uwsgi_error("fork()");
+		return;
+	}
 
-        if (pid > 0) {
-                ud->pid = pid;
-                ud->status = 1;
+	if (pid > 0) {
+		ud->pid = pid;
+		ud->status = 1;
 		ud->pidfile_checks = 0;
-                if (ud->respawns == 0) {
-                        ud->born = uwsgi_now();
-                }
+		if (ud->respawns == 0) {
+			ud->born = uwsgi_now();
+		}
 
-                ud->respawns++;
-                ud->last_spawn = uwsgi_now();
+		ud->respawns++;
+		ud->last_spawn = uwsgi_now();
 
-        }
-        else {
-                // close uwsgi sockets
-                uwsgi_close_all_sockets();
+	}
+	else {
+		// close uwsgi sockets
+		uwsgi_close_all_sockets();
+		uwsgi_close_all_fds();
 
 		if (ud->daemonize) {
 			/* refork... */
-        		pid = fork();
-        		if (pid < 0) {
-                		uwsgi_error("fork()");
-                		exit(1);
-        		}
-        		if (pid != 0) {
-                		_exit(0);
-        		}
+			pid = fork();
+			if (pid < 0) {
+				uwsgi_error("fork()");
+				exit(1);
+			}
+			if (pid != 0) {
+				_exit(0);
+			}
 			uwsgi_write_pidfile(ud->pidfile);
 		}
 
-                // /dev/null will became stdin
-                devnull = open("/dev/null", O_RDONLY);
-                if (devnull < 0) {
-                        uwsgi_error("/dev/null open()");
-                        exit(1);
-                }
-                if (devnull != 0) {
-                        if (dup2(devnull, 0)) {
-                                uwsgi_error("dup2()");
-                                exit(1);
-                        }
-                        close(devnull);
-                }
+		// /dev/null will became stdin
+		devnull = open("/dev/null", O_RDONLY);
+		if (devnull < 0) {
+			uwsgi_error("/dev/null open()");
+			exit(1);
+		}
+		if (devnull != 0) {
+			if (dup2(devnull, 0) < 0) {
+				uwsgi_error("dup2()");
+				exit(1);
+			}
+			close(devnull);
+		}
 
-                if (setsid() < 0) {
-                        uwsgi_error("setsid()");
-                        exit(1);
-                }
+		if (setsid() < 0) {
+			uwsgi_error("setsid()");
+			exit(1);
+		}
 
 		if (!ud->pidfile) {
 #ifdef __linux__
-                	if (prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0)) {
-                        	uwsgi_error("prctl()");
-                	}
+			if (prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0)) {
+				uwsgi_error("prctl()");
+			}
 #endif
 		}
 
 
-                if (throttle) {
-                        uwsgi_log("[uwsgi-daemons] throttling \"%s\" for %d seconds\n", ud->command, throttle);
-                        sleep(throttle);
-                }
+		if (throttle) {
+			uwsgi_log("[uwsgi-daemons] throttling \"%s\" for %d seconds\n", ud->command, throttle);
+			sleep(throttle);
+		}
 
-                uwsgi_log("[uwsgi-daemons] %sspawning \"%s\"\n", ud->respawns > 0 ? "re":"", ud->command);
+		uwsgi_log("[uwsgi-daemons] %sspawning \"%s\"\n", ud->respawns > 0 ? "re" : "", ud->command);
 		uwsgi_exec_command_with_args(ud->command);
-                uwsgi_log("[uwsgi-daemons] unable to spawn \"%s\"\n", ud->command);
+		uwsgi_log("[uwsgi-daemons] unable to spawn \"%s\"\n", ud->command);
 
-                // never here;
-                exit(1);
-        }
+		// never here;
+		exit(1);
+	}
 
-        return;
+	return;
 }
 
 
 void uwsgi_opt_add_daemon(char *opt, char *value, void *none) {
 
-        struct uwsgi_daemon *uwsgi_ud = uwsgi.daemons, *old_ud;
+	struct uwsgi_daemon *uwsgi_ud = uwsgi.daemons, *old_ud;
 	char *pidfile = NULL;
 	int daemonize = 0;
 	int freq = 10;
@@ -253,7 +265,7 @@ void uwsgi_opt_add_daemon(char *opt, char *value, void *none) {
 	if (!strcmp(opt, "smart-attach-daemon") || !strcmp(opt, "smart-attach-daemon2")) {
 		char *space = strchr(command, ' ');
 		if (!space) {
-			uwsgi_log("invalid smart-attach-daemon syntax: %s\n", command);	
+			uwsgi_log("invalid smart-attach-daemon syntax: %s\n", command);
 			exit(1);
 		}
 		*space = 0;
@@ -262,7 +274,7 @@ void uwsgi_opt_add_daemon(char *opt, char *value, void *none) {
 		char *comma = strchr(pidfile, ',');
 		if (comma) {
 			*comma = 0;
-			freq = atoi(comma+1);
+			freq = atoi(comma + 1);
 		}
 		command = space + 1;
 		if (!strcmp(opt, "smart-attach-daemon2")) {
@@ -270,32 +282,31 @@ void uwsgi_opt_add_daemon(char *opt, char *value, void *none) {
 		}
 	}
 
-        if (!uwsgi_ud) {
-                uwsgi.daemons = uwsgi_malloc(sizeof(struct uwsgi_daemon));
-                uwsgi_ud = uwsgi.daemons;
-        }
-        else {
-                while (uwsgi_ud) {
-                        old_ud = uwsgi_ud;
-                        uwsgi_ud = uwsgi_ud->next;
-                }
+	if (!uwsgi_ud) {
+		uwsgi.daemons = uwsgi_malloc(sizeof(struct uwsgi_daemon));
+		uwsgi_ud = uwsgi.daemons;
+	}
+	else {
+		while (uwsgi_ud) {
+			old_ud = uwsgi_ud;
+			uwsgi_ud = uwsgi_ud->next;
+		}
 
-                uwsgi_ud = uwsgi_malloc(sizeof(struct uwsgi_daemon));
-                old_ud->next = uwsgi_ud;
-        }
+		uwsgi_ud = uwsgi_malloc(sizeof(struct uwsgi_daemon));
+		old_ud->next = uwsgi_ud;
+	}
 
-        uwsgi_ud->command = command;
-        uwsgi_ud->pid = 0;
-        uwsgi_ud->status = 0;
-        uwsgi_ud->freq = freq;
-        uwsgi_ud->registered = 0;
-        uwsgi_ud->next = NULL;
-        uwsgi_ud->respawns = 0;
-        uwsgi_ud->last_spawn = 0;
+	uwsgi_ud->command = command;
+	uwsgi_ud->pid = 0;
+	uwsgi_ud->status = 0;
+	uwsgi_ud->freq = freq;
+	uwsgi_ud->registered = 0;
+	uwsgi_ud->next = NULL;
+	uwsgi_ud->respawns = 0;
+	uwsgi_ud->last_spawn = 0;
 	uwsgi_ud->daemonize = daemonize;
 	uwsgi_ud->pidfile = pidfile;
 
-        uwsgi.daemons_cnt++;
+	uwsgi.daemons_cnt++;
 
 }
-

core/emperor.c

@@ -6,7 +6,6 @@ a supervisor for multiple uWSGI instances
 
 */
 #include "uwsgi.h"
-#include <glob.h>
 
 
 extern struct uwsgi_server uwsgi;
@@ -125,17 +124,12 @@ struct uwsgi_emperor_scanner *emperor_scanners;
 
 int uwsgi_emperor_is_valid(char *name) {
 
-	if (uwsgi_endswith(name, ".xml") ||
-                uwsgi_endswith(name, ".ini") ||
-                uwsgi_endswith(name, ".yml") ||
-                uwsgi_endswith(name, ".yaml") ||
-                uwsgi_endswith(name, ".js") ||
-                uwsgi_endswith(name, ".json")) {
+	if (uwsgi_endswith(name, ".xml") || uwsgi_endswith(name, ".ini") || uwsgi_endswith(name, ".yml") || uwsgi_endswith(name, ".yaml") || uwsgi_endswith(name, ".js") || uwsgi_endswith(name, ".json")) {
 
 
-                        if (strlen(name) < 0xff) {
-				return 1;
-			}
+		if (strlen(name) < 0xff) {
+			return 1;
+		}
 	}
 
 	return 0;
@@ -155,48 +149,48 @@ void uwsgi_imperial_monitor_directory(struct uwsgi_emperor_scanner *ues) {
 	DIR *dir = opendir(".");
 	while ((de = readdir(dir)) != NULL) {
 
-			if (!uwsgi_emperor_is_valid(de->d_name))
-				continue;
+		if (!uwsgi_emperor_is_valid(de->d_name))
+			continue;
 
-			if (stat(de->d_name, &st))
-				continue;
+		if (stat(de->d_name, &st))
+			continue;
 
-			if (!S_ISREG(st.st_mode))
-				continue;
+		if (!S_ISREG(st.st_mode))
+			continue;
 
-			ui_current = emperor_get(de->d_name);
+		ui_current = emperor_get(de->d_name);
 
-			if (ui_current) {
-				// check if uid or gid are changed, in such case, stop the instance
-				if (uwsgi.emperor_tyrant) {
-					if (st.st_uid != ui_current->uid || st.st_gid != ui_current->gid) {
-						uwsgi_log("!!! permissions of file %s changed. stopping the instance... !!!\n", de->d_name);
-						emperor_stop(ui_current);
-						continue;
-					}
-				}
-				// check if mtime is changed and the uWSGI instance must be reloaded
-				if (st.st_mtime > ui_current->last_mod) {
-					emperor_respawn(ui_current, st.st_mtime);
+		if (ui_current) {
+			// check if uid or gid are changed, in such case, stop the instance
+			if (uwsgi.emperor_tyrant) {
+				if (st.st_uid != ui_current->uid || st.st_gid != ui_current->gid) {
+					uwsgi_log("!!! permissions of file %s changed. stopping the instance... !!!\n", de->d_name);
+					emperor_stop(ui_current);
+					continue;
 				}
 			}
-			else {
-				emperor_add(ues, de->d_name, st.st_mtime, NULL, 0, st.st_uid, st.st_gid);
+			// check if mtime is changed and the uWSGI instance must be reloaded
+			if (st.st_mtime > ui_current->last_mod) {
+				emperor_respawn(ui_current, st.st_mtime);
 			}
+		}
+		else {
+			emperor_add(ues, de->d_name, st.st_mtime, NULL, 0, st.st_uid, st.st_gid);
+		}
 	}
 	closedir(dir);
 
 	// now check for removed instances
 	struct uwsgi_instance *c_ui = ui->ui_next;
 
-        while (c_ui) {
+	while (c_ui) {
 		if (c_ui->scanner == ues) {
 			if (stat(c_ui->name, &st)) {
 				emperor_stop(c_ui);
 			}
 		}
-                c_ui = c_ui->ui_next;
-        }
+		c_ui = c_ui->ui_next;
+	}
 }
 
 // this is the monitor for glob patterns
@@ -213,50 +207,50 @@ void uwsgi_imperial_monitor_glob(struct uwsgi_emperor_scanner *ues) {
 	}
 
 	for (i = 0; i < (int) g.gl_pathc; i++) {
-			
-			if (!uwsgi_emperor_is_valid(g.gl_pathv[i]))
-                                continue;
 
-			if (stat(g.gl_pathv[i], &st))
-				continue;
+		if (!uwsgi_emperor_is_valid(g.gl_pathv[i]))
+			continue;
 
-			if (!S_ISREG(st.st_mode))
-				continue;
+		if (stat(g.gl_pathv[i], &st))
+			continue;
 
-			ui_current = emperor_get(g.gl_pathv[i]);
+		if (!S_ISREG(st.st_mode))
+			continue;
 
-			if (ui_current) {
-				// check if uid or gid are changed, in such case, stop the instance
-				if (uwsgi.emperor_tyrant) {
-					if (st.st_uid != ui_current->uid || st.st_gid != ui_current->gid) {
-						uwsgi_log("!!! permissions of file %s changed. stopping the instance... !!!\n", g.gl_pathv[i]);
-						emperor_stop(ui_current);
-						continue;
-					}
-				}
-				// check if mtime is changed and the uWSGI instance must be reloaded
-				if (st.st_mtime > ui_current->last_mod) {
-					emperor_respawn(ui_current, st.st_mtime);
+		ui_current = emperor_get(g.gl_pathv[i]);
+
+		if (ui_current) {
+			// check if uid or gid are changed, in such case, stop the instance
+			if (uwsgi.emperor_tyrant) {
+				if (st.st_uid != ui_current->uid || st.st_gid != ui_current->gid) {
+					uwsgi_log("!!! permissions of file %s changed. stopping the instance... !!!\n", g.gl_pathv[i]);
+					emperor_stop(ui_current);
+					continue;
 				}
 			}
-			else {
-				emperor_add(ues, g.gl_pathv[i], st.st_mtime, NULL, 0, st.st_uid, st.st_gid);
+			// check if mtime is changed and the uWSGI instance must be reloaded
+			if (st.st_mtime > ui_current->last_mod) {
+				emperor_respawn(ui_current, st.st_mtime);
 			}
+		}
+		else {
+			emperor_add(ues, g.gl_pathv[i], st.st_mtime, NULL, 0, st.st_uid, st.st_gid);
+		}
 
 	}
 	globfree(&g);
 
 	// now check for removed instances
-        struct uwsgi_instance *c_ui = ui->ui_next;
+	struct uwsgi_instance *c_ui = ui->ui_next;
 
-        while (c_ui) {
-                if (c_ui->scanner == ues) {
-                        if (stat(c_ui->name, &st)) {
-                                emperor_stop(c_ui);
-                        }
-                }
-                c_ui = c_ui->ui_next;
-        }
+	while (c_ui) {
+		if (c_ui->scanner == ues) {
+			if (stat(c_ui->name, &st)) {
+				emperor_stop(c_ui);
+			}
+		}
+		c_ui = c_ui->ui_next;
+	}
 
 
 }
@@ -308,7 +302,7 @@ static void royal_death(int signum) {
 		}
 	}
 
-	uwsgi_log("[emperor] *** RAGNAROK EVOKED ***\n");	
+	uwsgi_log("[emperor] *** RAGNAROK EVOKED ***\n");
 	uwsgi_notify("The Emperor is buried.");
 	exit(0);
 }
@@ -714,7 +708,7 @@ void emperor_add(struct uwsgi_emperor_scanner *ues, char *name, time_t born, cha
 			exit(1);
 		}
 		if (stdin_fd != 0) {
-			if (dup2(stdin_fd, 0)) {
+			if (dup2(stdin_fd, 0) < 0) {
 				uwsgi_error("dup2()");
 				exit(1);
 			}
@@ -768,14 +762,14 @@ void uwsgi_imperial_monitor_glob_init(struct uwsgi_emperor_scanner *ues) {
 	uwsgi.emperor_absolute_dir = uwsgi.cwd;
 
 	if (!uwsgi_startswith(ues->arg, "glob://", 7)) {
-		ues->arg+=7;	
+		ues->arg += 7;
 	}
 }
 
 void uwsgi_imperial_monitor_directory_init(struct uwsgi_emperor_scanner *ues) {
 
 	if (!uwsgi_startswith(ues->arg, "dir://", 6)) {
-		ues->arg+=6;	
+		ues->arg += 6;
 	}
 
 	if (chdir(ues->arg)) {
@@ -789,6 +783,8 @@ void uwsgi_imperial_monitor_directory_init(struct uwsgi_emperor_scanner *ues) {
 		exit(1);
 	}
 
+	ues->arg = uwsgi.emperor_absolute_dir;
+
 }
 
 struct uwsgi_imperial_monitor *imperial_monitor_get_by_id(char *scheme) {
@@ -881,13 +877,13 @@ next:
 int uwsgi_emperor_scanner_event(int fd) {
 
 	struct uwsgi_emperor_scanner *ues = emperor_scanners;
-        while (ues) {
+	while (ues) {
 		if (ues->fd > -1 && ues->fd == fd) {
 			ues->event_func(ues);
 			return 1;
 		}
-                ues = ues->next;
-        }
+		ues = ues->next;
+	}
 
 	return 0;
 
@@ -993,9 +989,10 @@ void emperor_loop() {
 			}
 
 			// check if a monitor is mapped to that file descriptor
-			if (uwsgi_emperor_scanner_event(interesting_fd)) continue;
+			if (uwsgi_emperor_scanner_event(interesting_fd))
+				continue;
+
 
-			
 			ui_current = emperor_get_by_fd(interesting_fd);
 			if (ui_current) {
 				char byte;
@@ -1025,7 +1022,7 @@ void emperor_loop() {
 					else if (byte == 30 && uwsgi.emperor_broodlord > 0 && uwsgi.emperor_broodlord_count < uwsgi.emperor_broodlord) {
 						uwsgi_log("[emperor] going in broodlord mode: launching zergs for %s\n", ui_current->name);
 						char *zerg_name = uwsgi_concat3(ui_current->name, ":", "zerg");
-						emperor_add(NULL, zerg_name, uwsgi_now(), NULL, 0, ui_current->uid, ui_current->gid);
+						emperor_add(ui_current->scanner, zerg_name, uwsgi_now(), NULL, 0, ui_current->uid, ui_current->gid);
 						free(zerg_name);
 					}
 				}
@@ -1041,9 +1038,9 @@ void emperor_loop() {
 
 		// check for heartbeat (if required)
 		ui_current = ui->ui_next;
-		while(ui_current) {
+		while (ui_current) {
 			if (ui_current->last_heartbeat > 0) {
-				if ( (ui_current->last_heartbeat + uwsgi.emperor_heartbeat) < uwsgi_now()) {
+				if ((ui_current->last_heartbeat + uwsgi.emperor_heartbeat) < uwsgi_now()) {
 					uwsgi_log("[emperor] vassal %s sent no heartbeat in last %d seconds, respawning it...\n", ui_current->name, uwsgi.emperor_heartbeat);
 					// set last_heartbeat to 0 avoiding races
 					ui_current->last_heartbeat = 0;
@@ -1085,7 +1082,7 @@ void emperor_loop() {
 					struct uwsgi_instance *rebel_vassal = ui_current;
 					ui_current = ui_current->ui_next;
 					emperor_del(rebel_vassal);
-				}	
+				}
 			}
 			else {
 				uwsgi_error("waitpid()");
@@ -1143,11 +1140,11 @@ void emperor_send_stats(int fd) {
 	}
 
 	if (uwsgi.stats_http) {
-                if (uwsgi_send_http_stats(client_fd)) {
-                        close(client_fd);
-                        return;
-                }
-        }
+		if (uwsgi_send_http_stats(client_fd)) {
+			close(client_fd);
+			return;
+		}
+	}
 
 	struct uwsgi_stats *us = uwsgi_stats_new(8192);
 
@@ -1250,49 +1247,49 @@ void emperor_send_stats(int fd) {
 		goto end0;
 
 	if (uwsgi_stats_comma(us))
-        	goto end0;
+		goto end0;
 
 	if (uwsgi_stats_key(us, "blacklist"))
-                goto end0;
-        if (uwsgi_stats_list_open(us))
-                goto end0;
+		goto end0;
+	if (uwsgi_stats_list_open(us))
+		goto end0;
 
 	struct uwsgi_emperor_blacklist_item *uebi = emperor_blacklist;
-        while (uebi) {
+	while (uebi) {
 
 		if (uwsgi_stats_object_open(us))
-                        goto end0;
+			goto end0;
 
-                if (uwsgi_stats_keyval_comma(us, "id", uebi->id))
-                        goto end0;
+		if (uwsgi_stats_keyval_comma(us, "id", uebi->id))
+			goto end0;
 
 
-                if (uwsgi_stats_keylong_comma(us, "throttle_level", uebi->throttle_level/1000))
-                        goto end0;
+		if (uwsgi_stats_keylong_comma(us, "throttle_level", uebi->throttle_level / 1000))
+			goto end0;
 
-                if (uwsgi_stats_keylong_comma(us, "attempt", (unsigned long long) uebi->attempt))
-                        goto end0;
+		if (uwsgi_stats_keylong_comma(us, "attempt", (unsigned long long) uebi->attempt))
+			goto end0;
 
-                if (uwsgi_stats_keylong_comma(us, "first_attempt", (unsigned long long) uebi->first_attempt.tv_sec))
-                        goto end0;
+		if (uwsgi_stats_keylong_comma(us, "first_attempt", (unsigned long long) uebi->first_attempt.tv_sec))
+			goto end0;
 
-                if (uwsgi_stats_keylong(us, "last_attempt", (unsigned long long) uebi->last_attempt.tv_sec))
-                        goto end0;
+		if (uwsgi_stats_keylong(us, "last_attempt", (unsigned long long) uebi->last_attempt.tv_sec))
+			goto end0;
 
 		if (uwsgi_stats_object_close(us))
-                        goto end0;
+			goto end0;
 
 
-                uebi = uebi->next;
+		uebi = uebi->next;
 		if (uebi) {
 			if (uwsgi_stats_comma(us))
 				goto end0;
 		}
-        }
+	}
 
 
 	if (uwsgi_stats_list_close(us))
-                goto end0;
+		goto end0;
 
 	if (uwsgi_stats_object_close(us))
 		goto end0;
@@ -1301,9 +1298,9 @@ void emperor_send_stats(int fd) {
 	off_t pos = 0;
 	while (remains > 0) {
 		int ret = uwsgi_waitfd_write(client_fd, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT]);
-                if (ret <= 0) {
-                        goto end0;
-                }
+		if (ret <= 0) {
+			goto end0;
+		}
 		ssize_t res = write(client_fd, us->base + pos, remains);
 		if (res <= 0) {
 			if (res < 0) {
@@ -1326,75 +1323,82 @@ end:
 void uwsgi_emperor_start() {
 
 	if (!uwsgi.sockets && !ushared->gateways_cnt && !uwsgi.master_process) {
-                        uwsgi_notify_ready();
-                        emperor_loop();
-                        // never here
-                        exit(1);
-                }
+		if (uwsgi.emperor_procname) {
+			uwsgi_set_processname(uwsgi.emperor_procname);
+		}
+		uwsgi_notify_ready();
+		emperor_loop();
+		// never here
+		exit(1);
+	}
 
-                uwsgi.emperor_pid = uwsgi_fork("uWSGI Emperor");
-                if (uwsgi.emperor_pid < 0) {
-                        uwsgi_error("pid()");
-                        exit(1);
-                }
-                else if (uwsgi.emperor_pid == 0) {
+	if (uwsgi.emperor_procname) {
+		uwsgi.emperor_pid = uwsgi_fork(uwsgi.emperor_procname);
+	}
+	else {
+		uwsgi.emperor_pid = uwsgi_fork("uWSGI Emperor");
+	}
+	if (uwsgi.emperor_pid < 0) {
+		uwsgi_error("pid()");
+		exit(1);
+	}
+	else if (uwsgi.emperor_pid == 0) {
 #ifdef __linux__
-                        if (prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0)) {
-                                uwsgi_error("prctl()");
-                        }
+		if (prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0)) {
+			uwsgi_error("prctl()");
+		}
 #endif
-                        emperor_loop();
-                        // never here
-                        exit(1);
-                }
+		emperor_loop();
+		// never here
+		exit(1);
+	}
 
 }
 
 void uwsgi_check_emperor() {
 	char *emperor_env = getenv("UWSGI_EMPEROR_FD");
-        if (emperor_env) {
-                uwsgi.has_emperor = 1;
-                uwsgi.emperor_fd = atoi(emperor_env);
-                uwsgi.master_process = 1;
-                uwsgi.no_orphans = 1;
-                uwsgi_log("*** has_emperor mode detected (fd: %d) ***\n", uwsgi.emperor_fd);
+	if (emperor_env) {
+		uwsgi.has_emperor = 1;
+		uwsgi.emperor_fd = atoi(emperor_env);
+		uwsgi.master_process = 1;
+		uwsgi.no_orphans = 1;
+		uwsgi_log("*** has_emperor mode detected (fd: %d) ***\n", uwsgi.emperor_fd);
 
-                if (getenv("UWSGI_EMPEROR_FD_CONFIG")) {
-                        uwsgi.emperor_fd_config = atoi(getenv("UWSGI_EMPEROR_FD_CONFIG"));
-                }
-        }
+		if (getenv("UWSGI_EMPEROR_FD_CONFIG")) {
+			uwsgi.emperor_fd_config = atoi(getenv("UWSGI_EMPEROR_FD_CONFIG"));
+		}
+	}
 
 }
 
 void uwsgi_emperor_simple_do(struct uwsgi_emperor_scanner *ues, char *name, char *config, time_t ts, uid_t uid, gid_t gid) {
 
-        if (!uwsgi_emperor_is_valid(name))
-                return;
+	if (!uwsgi_emperor_is_valid(name))
+		return;
 
-        struct uwsgi_instance *ui_current = emperor_get(name);
+	struct uwsgi_instance *ui_current = emperor_get(name);
 
-        if (ui_current) {
-                // check if uid or gid are changed, in such case, stop the instance
-                if (uwsgi.emperor_tyrant) {
-                        if (uid != ui_current->uid || gid != ui_current->gid) {
-                                uwsgi_log("[emperor-tyrant] !!! permissions of vassal %s changed. stopping the instance... !!!\n", name);
-                                emperor_stop(ui_current);
-                                return;
-                        }
-                }
-                // check if mtime is changed and the uWSGI instance must be reloaded
-                if (ts > ui_current->last_mod) {
-                        // make a new config (free the old one)
-                        free(ui_current->config);
-                        ui_current->config = config;
-                        ui_current->config_len = strlen(config);
-                        // always respawn (no need for amqp-style rules)
-                        emperor_respawn(ui_current, ts);
-                }
-        }
-        else {
-                // make a copy of the config as it will be freed
-                emperor_add(ues, name, ts, uwsgi_str(config), strlen((const char *)config), uid, gid);
-        }
+	if (ui_current) {
+		// check if uid or gid are changed, in such case, stop the instance
+		if (uwsgi.emperor_tyrant) {
+			if (uid != ui_current->uid || gid != ui_current->gid) {
+				uwsgi_log("[emperor-tyrant] !!! permissions of vassal %s changed. stopping the instance... !!!\n", name);
+				emperor_stop(ui_current);
+				return;
+			}
+		}
+		// check if mtime is changed and the uWSGI instance must be reloaded
+		if (ts > ui_current->last_mod) {
+			// make a new config (free the old one)
+			free(ui_current->config);
+			ui_current->config = config;
+			ui_current->config_len = strlen(config);
+			// always respawn (no need for amqp-style rules)
+			emperor_respawn(ui_current, ts);
+		}
+	}
+	else {
+		// make a copy of the config as it will be freed
+		emperor_add(ues, name, ts, uwsgi_str(config), strlen((const char *) config), uid, gid);
+	}
 }
-

core/gateway.c

@@ -2,29 +2,29 @@
 
 extern struct uwsgi_server uwsgi;
 
-struct uwsgi_gateway *register_gateway(char *name, void (*loop)(int, void *), void *data) {
+struct uwsgi_gateway *register_gateway(char *name, void (*loop) (int, void *), void *data) {
 
-        struct uwsgi_gateway *ug;
-        int num=1,i;
+	struct uwsgi_gateway *ug;
+	int num = 1, i;
 
-        if (ushared->gateways_cnt >= MAX_GATEWAYS) {
-                uwsgi_log("you can register max %d gateways\n", MAX_GATEWAYS);
-                return NULL;
-        }
+	if (ushared->gateways_cnt >= MAX_GATEWAYS) {
+		uwsgi_log("you can register max %d gateways\n", MAX_GATEWAYS);
+		return NULL;
+	}
 
-        for(i=0;i<ushared->gateways_cnt;i++) {
-                if (!strcmp(name, ushared->gateways[i].name)) {
-                        num++;
-                }
-        }
+	for (i = 0; i < ushared->gateways_cnt; i++) {
+		if (!strcmp(name, ushared->gateways[i].name)) {
+			num++;
+		}
+	}
 
 	char *fullname = uwsgi_concat3(name, " ", uwsgi_num2str(num));
 
-        ug = &ushared->gateways[ushared->gateways_cnt];
-        ug->pid = 0;
-        ug->name = name;
-        ug->loop = loop;
-        ug->num = num;
+	ug = &ushared->gateways[ushared->gateways_cnt];
+	ug->pid = 0;
+	ug->name = name;
+	ug->loop = loop;
+	ug->num = num;
 	ug->fullname = fullname;
 	ug->data = data;
 
@@ -35,10 +35,14 @@ struct uwsgi_gateway *register_gateway(char *name, void (*loop)(int, void *), vo
 	if (!uwsgi.master_process)
 		gateway_respawn(ushared->gateways_cnt);
 
-        ushared->gateways_cnt++;
+	ushared->gateways_cnt++;
 
 
-        return ug;
+	return ug;
+}
+
+static void gateway_brutal_end() {
+	_exit(UWSGI_END_CODE);
 }
 
 void gateway_respawn(int id) {
@@ -48,114 +52,115 @@ void gateway_respawn(int id) {
 
 	if (uwsgi.master_process)
 		uwsgi.shared->gateways_harakiri[id] = 0;
-	
+
 	gw_pid = uwsgi_fork(ug->fullname);
 	if (gw_pid < 0) {
-                uwsgi_error("fork()");
+		uwsgi_error("fork()");
 		return;
 	}
 
 	if (gw_pid == 0) {
 		uwsgi_fixup_fds(0, 0, ug);
-		if (uwsgi.master_as_root) uwsgi_as_root();
+		if (uwsgi.master_as_root)
+			uwsgi_as_root();
 #ifdef __linux__
-                if (prctl(PR_SET_PDEATHSIG, SIGKILL, 0,0,0)) {
-                        uwsgi_error("prctl()");
-                }
+		if (prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0)) {
+			uwsgi_error("prctl()");
+		}
 #endif
 		uwsgi.mypid = getpid();
+		atexit(gateway_brutal_end);
 		signal(SIGALRM, SIG_IGN);
-        	signal(SIGHUP, SIG_IGN);
-        	signal(SIGINT, end_me);
-        	signal(SIGTERM, end_me);
-        	signal(SIGUSR1, SIG_IGN);
-        	signal(SIGUSR2, SIG_IGN);
-        	signal(SIGPIPE, SIG_IGN);
-        	signal(SIGSTOP, SIG_IGN);
-        	signal(SIGTSTP, SIG_IGN);
+		signal(SIGHUP, SIG_IGN);
+		signal(SIGINT, end_me);
+		signal(SIGTERM, end_me);
+		signal(SIGUSR1, SIG_IGN);
+		signal(SIGUSR2, SIG_IGN);
+		signal(SIGPIPE, SIG_IGN);
+		signal(SIGSTOP, SIG_IGN);
+		signal(SIGTSTP, SIG_IGN);
 
 		ug->loop(id, ug->data);
 		// never here !!! (i hope)
-		exit(1);	
+		_exit(1);
 	}
 
 	ug->pid = gw_pid;
 	ug->respawns++;
 	if (ug->respawns == 1) {
-		uwsgi_log( "spawned %s %d (pid: %d)\n", ug->name, ug->num, (int) gw_pid);
+		uwsgi_log("spawned %s %d (pid: %d)\n", ug->name, ug->num, (int) gw_pid);
 	}
 	else {
-		uwsgi_log( "respawned %s %d (pid: %d)\n", ug->name, ug->num, (int) gw_pid);
+		uwsgi_log("respawned %s %d (pid: %d)\n", ug->name, ug->num, (int) gw_pid);
 	}
-	
+
 }
 
 struct uwsgi_gateway_socket *uwsgi_new_gateway_socket(char *name, char *owner) {
 
-        struct uwsgi_gateway_socket *uwsgi_sock = uwsgi.gateway_sockets, *old_uwsgi_sock;
+	struct uwsgi_gateway_socket *uwsgi_sock = uwsgi.gateway_sockets, *old_uwsgi_sock;
 
-        if (!uwsgi_sock) {
-                uwsgi.gateway_sockets = uwsgi_malloc(sizeof(struct uwsgi_gateway_socket));
-                uwsgi_sock = uwsgi.gateway_sockets;
-        }
-        else {
-                while(uwsgi_sock) {
-                        old_uwsgi_sock = uwsgi_sock;
-                        uwsgi_sock = uwsgi_sock->next;
-                }
+	if (!uwsgi_sock) {
+		uwsgi.gateway_sockets = uwsgi_malloc(sizeof(struct uwsgi_gateway_socket));
+		uwsgi_sock = uwsgi.gateway_sockets;
+	}
+	else {
+		while (uwsgi_sock) {
+			old_uwsgi_sock = uwsgi_sock;
+			uwsgi_sock = uwsgi_sock->next;
+		}
 
-                uwsgi_sock = uwsgi_malloc(sizeof(struct uwsgi_gateway_socket));
-                old_uwsgi_sock->next = uwsgi_sock;
-        }
+		uwsgi_sock = uwsgi_malloc(sizeof(struct uwsgi_gateway_socket));
+		old_uwsgi_sock->next = uwsgi_sock;
+	}
 
-        memset(uwsgi_sock, 0, sizeof(struct uwsgi_gateway_socket));
+	memset(uwsgi_sock, 0, sizeof(struct uwsgi_gateway_socket));
 	uwsgi_sock->fd = -1;
 	uwsgi_sock->shared = 0;
-        uwsgi_sock->name = name;
+	uwsgi_sock->name = name;
 	uwsgi_sock->name_len = strlen(name);
 	uwsgi_sock->owner = owner;
 
-        return uwsgi_sock;
+	return uwsgi_sock;
 }
 
 struct uwsgi_gateway_socket *uwsgi_new_gateway_socket_from_fd(int fd, char *owner) {
 
-        struct uwsgi_gateway_socket *uwsgi_sock = uwsgi.gateway_sockets, *old_uwsgi_sock;
+	struct uwsgi_gateway_socket *uwsgi_sock = uwsgi.gateway_sockets, *old_uwsgi_sock;
 
-        if (!uwsgi_sock) {
-                uwsgi.gateway_sockets = uwsgi_malloc(sizeof(struct uwsgi_gateway_socket));
-                uwsgi_sock = uwsgi.gateway_sockets;
-        }
-        else {
-                while(uwsgi_sock) {
-                        old_uwsgi_sock = uwsgi_sock;
-                        uwsgi_sock = uwsgi_sock->next;
-                }
+	if (!uwsgi_sock) {
+		uwsgi.gateway_sockets = uwsgi_malloc(sizeof(struct uwsgi_gateway_socket));
+		uwsgi_sock = uwsgi.gateway_sockets;
+	}
+	else {
+		while (uwsgi_sock) {
+			old_uwsgi_sock = uwsgi_sock;
+			uwsgi_sock = uwsgi_sock->next;
+		}
 
-                uwsgi_sock = uwsgi_malloc(sizeof(struct uwsgi_gateway_socket));
-                old_uwsgi_sock->next = uwsgi_sock;
-        }
+		uwsgi_sock = uwsgi_malloc(sizeof(struct uwsgi_gateway_socket));
+		old_uwsgi_sock->next = uwsgi_sock;
+	}
 
-        memset(uwsgi_sock, 0, sizeof(struct uwsgi_gateway_socket));
+	memset(uwsgi_sock, 0, sizeof(struct uwsgi_gateway_socket));
 	uwsgi_sock->fd = fd;
-        uwsgi_sock->name = uwsgi_getsockname(fd);
+	uwsgi_sock->name = uwsgi_getsockname(fd);
 	uwsgi_sock->name_len = strlen(uwsgi_sock->name);
-        uwsgi_sock->owner = owner;
+	uwsgi_sock->owner = owner;
 
-        return uwsgi_sock;
+	return uwsgi_sock;
 }
 
 
 void uwsgi_gateway_go_cheap(char *gw_id, int queue, int *i_am_cheap) {
 
-        uwsgi_log("[%s pid %d] no more nodes available. Going cheap...\n", gw_id, (int) uwsgi.mypid);
-        struct uwsgi_gateway_socket *ugs = uwsgi.gateway_sockets;
-        while (ugs) {
-                if (!strcmp(ugs->owner, gw_id) && !ugs->subscription) {
-                        event_queue_del_fd(queue, ugs->fd, event_queue_read());
-                }
-                ugs = ugs->next;
-        }
-        *i_am_cheap = 1;
+	uwsgi_log("[%s pid %d] no more nodes available. Going cheap...\n", gw_id, (int) uwsgi.mypid);
+	struct uwsgi_gateway_socket *ugs = uwsgi.gateway_sockets;
+	while (ugs) {
+		if (!strcmp(ugs->owner, gw_id) && !ugs->subscription) {
+			event_queue_del_fd(queue, ugs->fd, event_queue_read());
+		}
+		ugs = ugs->next;
+	}
+	*i_am_cheap = 1;
 }
-

core/ini.c

@@ -13,7 +13,7 @@ void ini_rstrip(char *line) {
 
 	off_t i;
 
-	for(i = strlen(line)-1;i>=0; i--) {
+	for (i = strlen(line) - 1; i >= 0; i--) {
 		if (line[i] == ' ' || line[i] == '\t' || line[i] == '\r') {
 			line[i] = 0;
 			continue;
@@ -27,7 +27,7 @@ char *ini_lstrip(char *line) {
 	off_t i;
 	char *ptr = line;
 
-	for(i=0;i< (int) strlen(line);i++) {
+	for (i = 0; i < (int) strlen(line); i++) {
 		if (line[i] == ' ' || line[i] == '\t' || line[i] == '\r') {
 			ptr++;
 			continue;
@@ -43,7 +43,7 @@ char *ini_get_key(char *key) {
 	off_t i;
 	char *ptr = key;
 
-	for(i=0;i< (int) strlen(key);i++) {
+	for (i = 0; i < (int) strlen(key); i++) {
 		ptr++;
 		if (key[i] == '=') {
 			key[i] = 0;
@@ -59,7 +59,7 @@ char *ini_get_line(char *ini, off_t size) {
 	off_t i;
 	char *ptr = ini;
 
-	for(i=0;i<size;i++) {
+	for (i = 0; i < size; i++) {
 		ptr++;
 		if (ini[i] == '\n') {
 			ini[i] = 0;
@@ -92,18 +92,19 @@ void uwsgi_ini_config(char *file, char *magic_table[]) {
 	char *section_asked = "uwsgi";
 	char *colon;
 
+
 	if (uwsgi_check_scheme(file)) {
-                colon = uwsgi_get_last_char(file, '/');
-                colon = uwsgi_get_last_char(colon, ':');
-        }
-        else {
-                colon = uwsgi_get_last_char(file, ':');
-        }
+		colon = uwsgi_get_last_char(file, '/');
+		colon = uwsgi_get_last_char(colon, ':');
+	}
+	else {
+		colon = uwsgi_get_last_char(file, ':');
+	}
 
 	if (colon) {
 		colon[0] = 0;
 		if (colon[1] != 0) {
-			section_asked = colon+1;
+			section_asked = colon + 1;
 		}
 	}
 
@@ -113,7 +114,7 @@ void uwsgi_ini_config(char *file, char *magic_table[]) {
 
 	ini = uwsgi_open_and_read(file, &len, 1, magic_table);
 
-	while(len) {
+	while (len) {
 		ini_line = ini_get_line(ini, len);
 		if (ini_line == NULL) {
 			break;
@@ -125,8 +126,8 @@ void uwsgi_ini_config(char *file, char *magic_table[]) {
 		ini_rstrip(key);
 		if (key[0] != 0) {
 			if (key[0] == '[') {
-				section = key+1;
-				section[strlen(section)-1] = 0;
+				section = key + 1;
+				section[strlen(section) - 1] = 0;
 			}
 			else if (key[0] == ';' || key[0] == '#') {
 				// this is a comment
@@ -139,7 +140,7 @@ void uwsgi_ini_config(char *file, char *magic_table[]) {
 					ini_rstrip(key);
 					val = ini_lstrip(val);
 					ini_rstrip(val);
-					add_exported_option((char *)key, val, 0);
+					add_exported_option((char *) key, val, 0);
 				}
 			}
 		}

core/init.c

@@ -7,73 +7,75 @@ void uwsgi_init_default() {
 	uwsgi.cpus = 1;
 
 	uwsgi.backtrace_depth = 64;
-        uwsgi.max_apps = 64;
+	uwsgi.max_apps = 64;
 
-        uwsgi.master_queue = -1;
+	uwsgi.master_queue = -1;
 
-        uwsgi.signal_socket = -1;
-        uwsgi.my_signal_socket = -1;
-        uwsgi.cache_server_fd = -1;
-        uwsgi.stats_fd = -1;
+	uwsgi.signal_socket = -1;
+	uwsgi.my_signal_socket = -1;
+	uwsgi.cache_server_fd = -1;
+	uwsgi.stats_fd = -1;
 
 	uwsgi.stats_pusher_default_freq = 3;
 
-        uwsgi.original_log_fd = -1;
+	uwsgi.original_log_fd = -1;
 
-        uwsgi.emperor_fd_config = -1;
-        // default emperor scan frequency
-        uwsgi.emperor_freq = 3;
-        uwsgi.emperor_throttle = 1000;
-        uwsgi.emperor_heartbeat = 30;
-        // max 3 minutes throttling
-        uwsgi.emperor_max_throttle = 1000 * 180;
-        uwsgi.emperor_pid = -1;
+	uwsgi.emperor_fd_config = -1;
+	// default emperor scan frequency
+	uwsgi.emperor_freq = 3;
+	uwsgi.emperor_throttle = 1000;
+	uwsgi.emperor_heartbeat = 30;
+	// max 3 minutes throttling
+	uwsgi.emperor_max_throttle = 1000 * 180;
+	uwsgi.emperor_pid = -1;
 
-        uwsgi.subscribe_freq = 10;
-        uwsgi.subscription_tolerance = 17;
+	uwsgi.subscribe_freq = 10;
+	uwsgi.subscription_tolerance = 17;
 
-        uwsgi.cluster_fd = -1;
-        uwsgi.cores = 1;
-        uwsgi.threads = 1;
+	uwsgi.cluster_fd = -1;
+	uwsgi.cores = 1;
+	uwsgi.threads = 1;
 
-        uwsgi.default_app = -1;
+	uwsgi.offload_threads_events = 64;
 
-        uwsgi.buffer_size = 4096;
-        uwsgi.numproc = 1;
+	uwsgi.default_app = -1;
 
-        uwsgi.forkbomb_delay = 2;
+	uwsgi.buffer_size = 4096;
+	uwsgi.numproc = 1;
 
-        uwsgi.async = 1;
-        uwsgi.listen_queue = 100;
+	uwsgi.forkbomb_delay = 2;
 
-        uwsgi.cheaper_overload = 3;
+	uwsgi.async = 1;
+	uwsgi.listen_queue = 100;
 
-        uwsgi.log_master_bufsize = 8192;
+	uwsgi.cheaper_overload = 3;
 
-        uwsgi.max_vars = MAX_VARS;
-        uwsgi.vec_size = 4 + 1 + (4 * MAX_VARS);
+	uwsgi.log_master_bufsize = 8192;
 
-        uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT] = 4;
-        uwsgi.shared->options[UWSGI_OPTION_LOGGING] = 1;
+	uwsgi.max_vars = MAX_VARS;
+	uwsgi.vec_size = 4 + 1 + (4 * MAX_VARS);
+
+	uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT] = 4;
+	uwsgi.shared->options[UWSGI_OPTION_LOGGING] = 1;
 
 #ifdef UWSGI_SPOOLER
-        uwsgi.shared->spooler_frequency = 30;
+	uwsgi.shared->spooler_frequency = 30;
 
-        uwsgi.shared->spooler_signal_pipe[0] = -1;
-        uwsgi.shared->spooler_signal_pipe[1] = -1;
+	uwsgi.shared->spooler_signal_pipe[0] = -1;
+	uwsgi.shared->spooler_signal_pipe[1] = -1;
 #endif
-        uwsgi.shared->mule_signal_pipe[0] = -1;
-        uwsgi.shared->mule_signal_pipe[1] = -1;
+	uwsgi.shared->mule_signal_pipe[0] = -1;
+	uwsgi.shared->mule_signal_pipe[1] = -1;
 
-        uwsgi.shared->mule_queue_pipe[0] = -1;
-        uwsgi.shared->mule_queue_pipe[1] = -1;
+	uwsgi.shared->mule_queue_pipe[0] = -1;
+	uwsgi.shared->mule_queue_pipe[1] = -1;
 
-        uwsgi.shared->worker_log_pipe[0] = -1;
-        uwsgi.shared->worker_log_pipe[1] = -1;
+	uwsgi.shared->worker_log_pipe[0] = -1;
+	uwsgi.shared->worker_log_pipe[1] = -1;
 
 #ifdef UWSGI_SSL
-        // 1 day of tolerance
-        uwsgi.subscriptions_sign_check_tolerance = 3600 * 24;
+	// 1 day of tolerance
+	uwsgi.subscriptions_sign_check_tolerance = 3600 * 24;
 #endif
 
 #ifdef UWSGI_ALARM
@@ -89,28 +91,28 @@ void uwsgi_init_default() {
 
 void uwsgi_setup_reload() {
 
-        char env_reload_buf[11];
+	char env_reload_buf[11];
 
 	char *env_reloads = getenv("UWSGI_RELOADS");
-        if (env_reloads) {
-                //convert env value to int
-                uwsgi.reloads = atoi(env_reloads);
-                uwsgi.reloads++;
-                //convert reloads to string
-                int rlen = snprintf(env_reload_buf, 10, "%u", uwsgi.reloads);
-                if (rlen > 0) {
-                        env_reload_buf[rlen] = 0;
-                        if (setenv("UWSGI_RELOADS", env_reload_buf, 1)) {
-                                uwsgi_error("setenv()");
-                        }
-                }
-                uwsgi.is_a_reload = 1;
-        }
-        else {
-                if (setenv("UWSGI_RELOADS", "0", 1)) {
-                        uwsgi_error("setenv()");
-                }
-        }
+	if (env_reloads) {
+		//convert env value to int
+		uwsgi.reloads = atoi(env_reloads);
+		uwsgi.reloads++;
+		//convert reloads to string
+		int rlen = snprintf(env_reload_buf, 10, "%u", uwsgi.reloads);
+		if (rlen > 0) {
+			env_reload_buf[rlen] = 0;
+			if (setenv("UWSGI_RELOADS", env_reload_buf, 1)) {
+				uwsgi_error("setenv()");
+			}
+		}
+		uwsgi.is_a_reload = 1;
+	}
+	else {
+		if (setenv("UWSGI_RELOADS", "0", 1)) {
+			uwsgi_error("setenv()");
+		}
+	}
 
 }
 
@@ -119,33 +121,33 @@ void uwsgi_autoload_plugins_by_name(char *argv_zero) {
 	char *plugins_requested = NULL;
 
 	char *original_proc_name = getenv("UWSGI_ORIGINAL_PROC_NAME");
-        if (!original_proc_name) {
-                // here we use argv[0];
-                original_proc_name = argv_zero;
-                setenv("UWSGI_ORIGINAL_PROC_NAME", original_proc_name, 1);
-        }
-        char *p = strrchr(original_proc_name, '/');
-        if (p == NULL)
-                p = original_proc_name;
-        p = strstr(p, "uwsgi_");
-        if (p != NULL) {
-                plugins_requested = strtok(uwsgi_str(p + 6), "_");
-                while (plugins_requested) {
-                        uwsgi_log("[uwsgi] implicit plugin requested %s\n", plugins_requested);
-                        uwsgi_load_plugin(-1, plugins_requested, NULL);
-                        plugins_requested = strtok(NULL, "_");
-                }
-        }
+	if (!original_proc_name) {
+		// here we use argv[0];
+		original_proc_name = argv_zero;
+		setenv("UWSGI_ORIGINAL_PROC_NAME", original_proc_name, 1);
+	}
+	char *p = strrchr(original_proc_name, '/');
+	if (p == NULL)
+		p = original_proc_name;
+	p = strstr(p, "uwsgi_");
+	if (p != NULL) {
+		plugins_requested = strtok(uwsgi_str(p + 6), "_");
+		while (plugins_requested) {
+			uwsgi_log("[uwsgi] implicit plugin requested %s\n", plugins_requested);
+			uwsgi_load_plugin(-1, plugins_requested, NULL);
+			plugins_requested = strtok(NULL, "_");
+		}
+	}
 
-        plugins_requested = getenv("UWSGI_PLUGINS");
-        if (plugins_requested) {
-                plugins_requested = uwsgi_concat2(plugins_requested, "");
-                char *p = strtok(plugins_requested, ",");
-                while (p != NULL) {
-                        uwsgi_load_plugin(-1, p, NULL);
-                        p = strtok(NULL, ",");
-                }
-        }
+	plugins_requested = getenv("UWSGI_PLUGINS");
+	if (plugins_requested) {
+		plugins_requested = uwsgi_concat2(plugins_requested, "");
+		char *p = strtok(plugins_requested, ",");
+		while (p != NULL) {
+			uwsgi_load_plugin(-1, p, NULL);
+			p = strtok(NULL, ",");
+		}
+	}
 
 }
 
@@ -154,140 +156,140 @@ void uwsgi_commandline_config() {
 
 	uwsgi.option_index = -1;
 
-        char *optname;
-        while ((i = getopt_long(uwsgi.argc, uwsgi.argv, uwsgi.short_options, uwsgi.long_options, &uwsgi.option_index)) != -1) {
+	char *optname;
+	while ((i = getopt_long(uwsgi.argc, uwsgi.argv, uwsgi.short_options, uwsgi.long_options, &uwsgi.option_index)) != -1) {
 
-                if (i == '?') {
-                        uwsgi_log("getopt_long() error\n");
-                        exit(1);
-                }
+		if (i == '?') {
+			uwsgi_log("getopt_long() error\n");
+			exit(1);
+		}
 
-                if (uwsgi.option_index > -1) {
-                        optname = (char *) uwsgi.long_options[uwsgi.option_index].name;
-                }
-                else {
-                        optname = uwsgi_get_optname_by_index(i);
-                }
-                if (!optname) {
-                        uwsgi_log("unable to parse command line options\n");
-                        exit(1);
-                }
-                uwsgi.option_index = -1;
-                add_exported_option(optname, optarg, 0);
-        }
+		if (uwsgi.option_index > -1) {
+			optname = (char *) uwsgi.long_options[uwsgi.option_index].name;
+		}
+		else {
+			optname = uwsgi_get_optname_by_index(i);
+		}
+		if (!optname) {
+			uwsgi_log("unable to parse command line options\n");
+			exit(1);
+		}
+		uwsgi.option_index = -1;
+		add_exported_option(optname, optarg, 0);
+	}
 
 
 #ifdef UWSGI_DEBUG
-        uwsgi_log("optind:%d argc:%d\n", optind, uwsgi.argc);
+	uwsgi_log("optind:%d argc:%d\n", optind, uwsgi.argc);
 #endif
 
-        if (optind < uwsgi.argc) {
-                for (i = optind; i < uwsgi.argc; i++) {
-                        char *lazy = uwsgi.argv[i];
-                        if (lazy[0] != '[') {
-                                uwsgi_opt_load(NULL, lazy, NULL);
-                                // manage magic mountpoint
-                                int magic = 0;
-                                int j;
-                                for (j = 0; j < uwsgi.gp_cnt; j++) {
-                                        if (uwsgi.gp[j]->magic) {
-                                                if (uwsgi.gp[j]->magic(NULL, lazy)) {
-                                                        magic = 1;
-                                                        break;
-                                                }
-                                        }
-                                }
-                                if (!magic) {
-                                        for (j = 0; j < 256; j++) {
-                                                if (uwsgi.p[j]->magic) {
-                                                        if (uwsgi.p[j]->magic(NULL, lazy)) {
-                                                                magic = 1;
-                                                                break;
-                                                        }
-                                                }
-                                        }
-                                }
-                        }
-                }
-        }
+	if (optind < uwsgi.argc) {
+		for (i = optind; i < uwsgi.argc; i++) {
+			char *lazy = uwsgi.argv[i];
+			if (lazy[0] != '[') {
+				uwsgi_opt_load(NULL, lazy, NULL);
+				// manage magic mountpoint
+				int magic = 0;
+				int j;
+				for (j = 0; j < uwsgi.gp_cnt; j++) {
+					if (uwsgi.gp[j]->magic) {
+						if (uwsgi.gp[j]->magic(NULL, lazy)) {
+							magic = 1;
+							break;
+						}
+					}
+				}
+				if (!magic) {
+					for (j = 0; j < 256; j++) {
+						if (uwsgi.p[j]->magic) {
+							if (uwsgi.p[j]->magic(NULL, lazy)) {
+								magic = 1;
+								break;
+							}
+						}
+					}
+				}
+			}
+		}
+	}
 
 }
 
 void uwsgi_setup_workers() {
-	int i,j;
+	int i, j;
 	// allocate shared memory for workers + master
-        uwsgi.workers = (struct uwsgi_worker *) uwsgi_calloc_shared(sizeof(struct uwsgi_worker) * (uwsgi.numproc + 1 + uwsgi.grunt));
+	uwsgi.workers = (struct uwsgi_worker *) uwsgi_calloc_shared(sizeof(struct uwsgi_worker) * (uwsgi.numproc + 1 + uwsgi.grunt));
 
-        for (i = 0; i <= uwsgi.numproc; i++) {
-                // allocate memory for apps
-                uwsgi.workers[i].apps = (struct uwsgi_app *) uwsgi_calloc_shared(sizeof(struct uwsgi_app) * uwsgi.max_apps);
+	for (i = 0; i <= uwsgi.numproc; i++) {
+		// allocate memory for apps
+		uwsgi.workers[i].apps = (struct uwsgi_app *) uwsgi_calloc_shared(sizeof(struct uwsgi_app) * uwsgi.max_apps);
 
-                // allocate memory for cores
-                uwsgi.workers[i].cores = (struct uwsgi_core *) uwsgi_calloc_shared(sizeof(struct uwsgi_core) * uwsgi.cores);
+		// allocate memory for cores
+		uwsgi.workers[i].cores = (struct uwsgi_core *) uwsgi_calloc_shared(sizeof(struct uwsgi_core) * uwsgi.cores);
 
 		// this is a trick for avoiding too much memory areas
 		void *ts = uwsgi_calloc_shared(sizeof(void *) * uwsgi.max_apps * uwsgi.cores);
 		void *buffers = uwsgi_malloc_shared(uwsgi.buffer_size * uwsgi.cores);
-		void *hvec = uwsgi_malloc_shared(sizeof(struct iovec) * uwsgi.vec_size * uwsgi.cores);	
+		void *hvec = uwsgi_malloc_shared(sizeof(struct iovec) * uwsgi.vec_size * uwsgi.cores);
 		void *post_buf = NULL;
 		if (uwsgi.post_buffering > 0)
-			post_buf = uwsgi_malloc_shared(uwsgi.post_buffering_bufsize * uwsgi.cores);	
-		
+			post_buf = uwsgi_malloc_shared(uwsgi.post_buffering_bufsize * uwsgi.cores);
 
-                for (j = 0; j < uwsgi.cores; j++) {
-                        // allocate shared memory for thread states (required for some language, like python)
-                        uwsgi.workers[i].cores[j].ts = ts + ((sizeof(void *) * uwsgi.max_apps) * j);
-                        // raw per-request buffer
-                        uwsgi.workers[i].cores[j].buffer = buffers + (uwsgi.buffer_size * j);
-                        // iovec for uwsgi vars
-                        uwsgi.workers[i].cores[j].hvec = hvec + ((sizeof(struct iovec) * uwsgi.vec_size) * j);
-                        if (post_buf)
-                                uwsgi.workers[i].cores[j].post_buf = post_buf + (uwsgi.post_buffering_bufsize *j);
-                }
 
-                // master does not need to following steps...
-                if (i == 0) continue;
-                uwsgi.workers[i].signal_pipe[0] = -1;
-                uwsgi.workers[i].signal_pipe[1] = -1;
-                snprintf(uwsgi.workers[i].name, 0xff, "uWSGI worker %d", i);
-                snprintf(uwsgi.workers[i].snapshot_name, 0xff, "uWSGI snapshot %d", i);
-        }
+		for (j = 0; j < uwsgi.cores; j++) {
+			// allocate shared memory for thread states (required for some language, like python)
+			uwsgi.workers[i].cores[j].ts = ts + ((sizeof(void *) * uwsgi.max_apps) * j);
+			// raw per-request buffer
+			uwsgi.workers[i].cores[j].buffer = buffers + (uwsgi.buffer_size * j);
+			// iovec for uwsgi vars
+			uwsgi.workers[i].cores[j].hvec = hvec + ((sizeof(struct iovec) * uwsgi.vec_size) * j);
+			if (post_buf)
+				uwsgi.workers[i].cores[j].post_buf = post_buf + (uwsgi.post_buffering_bufsize * j);
+		}
 
-	uint64_t total_memory = (sizeof(struct uwsgi_app) * uwsgi.max_apps) + (sizeof(struct uwsgi_core) * uwsgi.cores) + (sizeof(void *) * uwsgi.max_apps * uwsgi.cores) +
-				(uwsgi.buffer_size * uwsgi.cores) + (sizeof(struct iovec) * uwsgi.vec_size * uwsgi.cores);
+		// master does not need to following steps...
+		if (i == 0)
+			continue;
+		uwsgi.workers[i].signal_pipe[0] = -1;
+		uwsgi.workers[i].signal_pipe[1] = -1;
+		snprintf(uwsgi.workers[i].name, 0xff, "uWSGI worker %d", i);
+		snprintf(uwsgi.workers[i].snapshot_name, 0xff, "uWSGI snapshot %d", i);
+	}
+
+	uint64_t total_memory = (sizeof(struct uwsgi_app) * uwsgi.max_apps) + (sizeof(struct uwsgi_core) * uwsgi.cores) + (sizeof(void *) * uwsgi.max_apps * uwsgi.cores) + (uwsgi.buffer_size * uwsgi.cores) + (sizeof(struct iovec) * uwsgi.vec_size * uwsgi.cores);
 	if (uwsgi.post_buffering > 0) {
 		total_memory += (uwsgi.post_buffering_bufsize * uwsgi.cores);
 	}
 
 	total_memory *= (uwsgi.numproc + uwsgi.master_process);
-        uwsgi_log("mapped %llu bytes (%llu KB) for %d cores\n", total_memory, total_memory / 1024, uwsgi.cores*uwsgi.numproc);
+	uwsgi_log("mapped %llu bytes (%llu KB) for %d cores\n", total_memory, total_memory / 1024, uwsgi.cores * uwsgi.numproc);
 
 }
 
 pid_t uwsgi_daemonize2() {
 	if (uwsgi.has_emperor) {
-                        logto(uwsgi.daemonize2);
-                }
-                else {
-                        if (!uwsgi.is_a_reload) {
-                                uwsgi_log("*** daemonizing uWSGI ***\n");
-                                daemonize(uwsgi.daemonize2);
-                        }
-                        else if (uwsgi.log_reopen) {
-                                logto(uwsgi.daemonize2);
-                        }
-                }
-                uwsgi.mypid = getpid();
+		logto(uwsgi.daemonize2);
+	}
+	else {
+		if (!uwsgi.is_a_reload) {
+			uwsgi_log("*** daemonizing uWSGI ***\n");
+			daemonize(uwsgi.daemonize2);
+		}
+		else if (uwsgi.log_reopen) {
+			logto(uwsgi.daemonize2);
+		}
+	}
+	uwsgi.mypid = getpid();
 
-                uwsgi.workers[0].pid = uwsgi.mypid;
+	uwsgi.workers[0].pid = uwsgi.mypid;
 
-                if (uwsgi.pidfile && !uwsgi.is_a_reload) {
-                        uwsgi_write_pidfile(uwsgi.pidfile);
-                }
+	if (uwsgi.pidfile && !uwsgi.is_a_reload) {
+		uwsgi_write_pidfile(uwsgi.pidfile);
+	}
 
-                if (uwsgi.pidfile2 && !uwsgi.is_a_reload) {
-                        uwsgi_write_pidfile(uwsgi.pidfile2);
-                }
+	if (uwsgi.pidfile2 && !uwsgi.is_a_reload) {
+		uwsgi_write_pidfile(uwsgi.pidfile2);
+	}
 
 	return uwsgi.mypid;
 }

core/json.c

@@ -31,17 +31,17 @@ void uwsgi_json_config(char *file, char *magic_table[]) {
 	int i;
 
 	if (uwsgi_check_scheme(file)) {
-                colon = uwsgi_get_last_char(file, '/');
-                colon = uwsgi_get_last_char(colon, ':');
-        }
-        else {
-                colon = uwsgi_get_last_char(file, ':');
-        }
+		colon = uwsgi_get_last_char(file, '/');
+		colon = uwsgi_get_last_char(colon, ':');
+	}
+	else {
+		colon = uwsgi_get_last_char(file, ':');
+	}
 
 	if (colon) {
 		colon[0] = 0;
 		if (colon[1] != 0) {
-			object_asked = colon+1;
+			object_asked = colon + 1;
 		}
 	}
 
@@ -49,7 +49,7 @@ void uwsgi_json_config(char *file, char *magic_table[]) {
 
 	json_data = uwsgi_open_and_read(file, &len, 1, magic_table);
 
-#ifdef JANSSON_MAJOR_VERSION 
+#ifdef JANSSON_MAJOR_VERSION
 	root = json_loads(json_data, 0, &error);
 #else
 	root = json_loads(json_data, &error);
@@ -66,46 +66,46 @@ void uwsgi_json_config(char *file, char *magic_table[]) {
 		uwsgi_log("you must define a object named %s in your JSON data\n", object_asked);
 		exit(1);
 	}
-	
+
 	config_iter = json_object_iter(config);
 
-	while(config_iter) {
+	while (config_iter) {
 		key = json_object_iter_key(config_iter);
-		config_value = json_object_iter_value(config_iter);	
+		config_value = json_object_iter_value(config_iter);
 
 		if (json_is_string(config_value)) {
-			add_exported_option((char *)key, (char *) json_string_value(config_value), 0);
+			add_exported_option((char *) key, (char *) json_string_value(config_value), 0);
 		}
 		else if (json_is_true(config_value)) {
-			add_exported_option((char *)key, strdup("1"), 0);
+			add_exported_option((char *) key, strdup("1"), 0);
 		}
 		else if (json_is_false(config_value) || json_is_null(config_value)) {
-			add_exported_option((char *)key, strdup("0"), 0);
+			add_exported_option((char *) key, strdup("0"), 0);
 		}
 		else if (json_is_integer(config_value)) {
-			add_exported_option((char *)key, uwsgi_num2str(json_integer_value(config_value)), 0);
+			add_exported_option((char *) key, uwsgi_num2str(json_integer_value(config_value)), 0);
 		}
 		else if (json_is_array(config_value)) {
-			for(i=0;i<(int)json_array_size(config_value);i++) {
-				config_array_item = json_array_get(config_value, i);				
+			for (i = 0; i < (int) json_array_size(config_value); i++) {
+				config_array_item = json_array_get(config_value, i);
 				if (json_is_string(config_array_item)) {
-                        		add_exported_option((char *)key, (char *) json_string_value(config_array_item), 0);
-                		}
-                		else if (json_is_true(config_array_item)) {
-                        		add_exported_option((char *)key, strdup("1"), 0);
-                		}
-                		else if (json_is_false(config_array_item) || json_is_null(config_array_item)) {
-                        		add_exported_option((char *)key, strdup("0"), 0);
-                		}
-                		else if (json_is_integer(config_array_item)) {
-                        		add_exported_option((char *)key, uwsgi_num2str(json_integer_value(config_array_item)), 0);
-                		}
+					add_exported_option((char *) key, (char *) json_string_value(config_array_item), 0);
+				}
+				else if (json_is_true(config_array_item)) {
+					add_exported_option((char *) key, strdup("1"), 0);
+				}
+				else if (json_is_false(config_array_item) || json_is_null(config_array_item)) {
+					add_exported_option((char *) key, strdup("0"), 0);
+				}
+				else if (json_is_integer(config_array_item)) {
+					add_exported_option((char *) key, uwsgi_num2str(json_integer_value(config_array_item)), 0);
+				}
 			}
 		}
 
 		config_iter = json_object_iter_next(config, config_iter);
 	}
-	
+
 }
 
 #endif

core/ldap.c

@@ -19,25 +19,25 @@ void ldap2uwsgi(char *ldapname, char *uwsginame) {
 
 	int i;
 
-	for(i=0;i< (int) strlen(ldapname);i++) {
-		if (isupper( (int)ldapname[i])) {
+	for (i = 0; i < (int) strlen(ldapname); i++) {
+		if (isupper((int) ldapname[i])) {
 			*ptr++ = '-';
-			*ptr++ = tolower( (int) ldapname[i]);
+			*ptr++ = tolower((int) ldapname[i]);
 		}
 		else {
 			*ptr++ = ldapname[i];
 		}
 	}
 
-	*ptr++= 0;
+	*ptr++ = 0;
 }
 
 int calc_ldap_name(char *name) {
 	int i;
 	int counter = 0;
 
-	for(i=0;i< (int)strlen(name);i++) {
-		if (isupper( (int) name[i])) {
+	for (i = 0; i < (int) strlen(name); i++) {
+		if (isupper((int) name[i])) {
 			counter++;
 		}
 	}
@@ -52,7 +52,7 @@ struct uwsgi_ldap_entry {
 };
 
 
-void uwsgi_name_to_ldap(char *src, char *dst) {	
+void uwsgi_name_to_ldap(char *src, char *dst) {
 
 	int i;
 	char *ptr = dst;
@@ -61,16 +61,16 @@ void uwsgi_name_to_ldap(char *src, char *dst) {
 
 	strcat(dst, " 'uWSGI");
 
-	ptr+= 7;
+	ptr += 7;
 
-	for(i=0;i< (int)strlen(src);i++) {
-        	if (src[i] == '-') {
-                	i++;
-                        *ptr++= toupper( (int) src[i]);
-                }
-                else {
-                	*ptr++= src[i];
-                }
+	for (i = 0; i < (int) strlen(src); i++) {
+		if (src[i] == '-') {
+			i++;
+			*ptr++ = toupper((int) src[i]);
+		}
+		else {
+			*ptr++ = src[i];
+		}
 	}
 
 	strcat(dst, "'");
@@ -82,7 +82,7 @@ struct uwsgi_ldap_entry *get_ldap_by_num(struct uwsgi_ldap_entry *root, int num,
 	int i;
 	struct uwsgi_ldap_entry *ule;
 
-	for(i=0;i<count;i++) {
+	for (i = 0; i < count; i++) {
 		ule = &root[i];
 		if (ule->num == num) {
 			return ule;
@@ -96,9 +96,9 @@ struct uwsgi_ldap_entry *search_ldap_cache(struct uwsgi_ldap_entry *root, char *
 	int i;
 	struct uwsgi_ldap_entry *ule;
 
-	for(i=0;i<count;i++) {
+	for (i = 0; i < count; i++) {
 		ule = &root[i];
-		if (uwsgi_list_has_str(ule->names, name+1)) {
+		if (uwsgi_list_has_str(ule->names, name + 1)) {
 			return ule;
 		}
 	}
@@ -114,23 +114,24 @@ struct uwsgi_ldap_entry *get_ldap_names(int *count) {
 
 	*count = 0;
 
-	ule = uwsgi_malloc(sizeof(struct uwsgi_ldap_entry)*uwsgi_count_options(op));
+	ule = uwsgi_malloc(sizeof(struct uwsgi_ldap_entry) * uwsgi_count_options(op));
 
-	while( op && op->name ) {
+	while (op && op->name) {
 
-		uwsgi_name_to_ldap((char *)op->name, ldap_name);
+		uwsgi_name_to_ldap((char *) op->name, ldap_name);
 
 		entry = search_ldap_cache(ule, ldap_name, *count);
 
-		if (entry) goto next;
+		if (entry)
+			goto next;
 
-		entry = &ule[*count] ;
+		entry = &ule[*count];
 		entry->num = *count;
 		strcpy(entry->names, ldap_name);
-		*count = *count+1;
+		*count = *count + 1;
 
 		entry->has_arg = op->type;
-		
+
 next:
 		op++;
 	}
@@ -150,7 +151,7 @@ void uwsgi_opt_ldap_dump_ldif(char *opt, char *foo, void *bar) {
 
 	struct uwsgi_ldap_entry *entry, *ule = get_ldap_names(&items);
 
-	for(i=0;i<items;i++) {
+	for (i = 0; i < items; i++) {
 
 		entry = &ule[i];
 		uwsgi_log("olcAttributeTypes: ( 1.3.6.1.4.1.35156.17.4.%d NAME (%s", entry->num, entry->names);
@@ -168,19 +169,19 @@ void uwsgi_opt_ldap_dump_ldif(char *opt, char *foo, void *bar) {
 
 	uwsgi_log("olcObjectClasses: ( 1.3.6.1.4.1.35156.17.3.1 NAME 'uWSGIConfig' SUP top AUXILIARY DESC 'uWSGI configuration' MAY ( ");
 
-	
-	for(i=0;i<items;i++) {
 
-                entry = &ule[i];
+	for (i = 0; i < items; i++) {
 
-		char *list2 = uwsgi_concat2(entry->names+1, "");
+		entry = &ule[i];
+
+		char *list2 = uwsgi_concat2(entry->names + 1, "");
 		char *p = strtok(list2, " ");
-        	while (p != NULL) {
-			uwsgi_log("%.*s $ ", strlen(p)-2, p+1);
-                	p = strtok(NULL, " ");
-        	}
+		while (p != NULL) {
+			uwsgi_log("%.*s $ ", strlen(p) - 2, p + 1);
+			p = strtok(NULL, " ");
+		}
 
-        	free(list2);
+		free(list2);
 
 	}
 
@@ -198,38 +199,38 @@ void uwsgi_opt_ldap_dump(char *opt, char *foo, void *bar) {
 
 	struct uwsgi_ldap_entry *entry, *ule = get_ldap_names(&items);
 
-        for(i=0;i<items;i++) {
+	for (i = 0; i < items; i++) {
 
-                entry = &ule[i];
-                uwsgi_log("attributetype ( 1.3.6.1.4.1.35156.17.4.%d NAME (%s", entry->num, entry->names);
+		entry = &ule[i];
+		uwsgi_log("attributetype ( 1.3.6.1.4.1.35156.17.4.%d NAME (%s", entry->num, entry->names);
 
-                if (entry->has_arg) {
-                        uwsgi_log(" ) SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 )\n");
-                }
-                else {
-                        uwsgi_log(" ) SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 )\n");
-                }
-        }
+		if (entry->has_arg) {
+			uwsgi_log(" ) SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 )\n");
+		}
+		else {
+			uwsgi_log(" ) SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 )\n");
+		}
+	}
 
 
 	uwsgi_log("attributetype ( 1.3.6.1.4.1.35156.17.4.50000 NAME 'uWSGInull' SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 )\n");
 
 	uwsgi_log("objectclass ( 1.3.6.1.4.1.35156.17.3.1 NAME 'uWSGIConfig' SUP top AUXILIARY DESC 'uWSGI configuration' MAY ( ");
 
-	for(i=0;i<items;i++) {
+	for (i = 0; i < items; i++) {
 
-                entry = &ule[i];
+		entry = &ule[i];
 
-                char *list2 = uwsgi_concat2(entry->names+1, "");
-                char *p = strtok(list2, " ");
-                while (p != NULL) {
-                        uwsgi_log("%.*s $ ", strlen(p)-2, p+1);
-                        p = strtok(NULL, " ");
-                }
+		char *list2 = uwsgi_concat2(entry->names + 1, "");
+		char *p = strtok(list2, " ");
+		while (p != NULL) {
+			uwsgi_log("%.*s $ ", strlen(p) - 2, p + 1);
+			p = strtok(NULL, " ");
+		}
 
-                free(list2);
+		free(list2);
 
-        }
+	}
 
 
 
@@ -264,7 +265,7 @@ void uwsgi_ldap_config(char *url) {
 		uwsgi_log("unable to parse LDAP url.\n");
 		exit(1);
 	}
-	
+
 	uwsgi_log("[uWSGI] getting LDAP configuration from %s\n", url);
 
 	url_slash = strchr(url, '/');
@@ -281,25 +282,25 @@ void uwsgi_ldap_config(char *url) {
 #endif
 
 #if LDAP_API_VERSION >= 3000
-	if ( (ret = ldap_initialize( &ldp, url)) != LDAP_SUCCESS) {
+	if ((ret = ldap_initialize(&ldp, url)) != LDAP_SUCCESS) {
 		uwsgi_log("LDAP: %s\n", ldap_err2string(ret));
 		exit(1);
 	}
 #else
-	if ( (ldp = ldap_init( ldap_url->lud_host, ldap_url->lud_port)) == NULL) {
+	if ((ldp = ldap_init(ldap_url->lud_host, ldap_url->lud_port)) == NULL) {
 		uwsgi_error("ldap_init()");
 		exit(1);
 	}
 #endif
 
 
-	if ( (ret = ldap_set_option(ldp, LDAP_OPT_PROTOCOL_VERSION, &desired_version)) != LDAP_OPT_SUCCESS) {
+	if ((ret = ldap_set_option(ldp, LDAP_OPT_PROTOCOL_VERSION, &desired_version)) != LDAP_OPT_SUCCESS) {
 		uwsgi_log("LDAP: %s\n", ldap_err2string(ret));
 		exit(1);
 	}
 
 
-	if ( (ret = ldap_search_ext_s(ldp, ldap_url->lud_dn, ldap_url->lud_scope, ldap_url->lud_filter, NULL, 0, NULL, NULL, NULL, 1, &results)) != LDAP_SUCCESS) {
+	if ((ret = ldap_search_ext_s(ldp, ldap_url->lud_dn, ldap_url->lud_scope, ldap_url->lud_filter, NULL, 0, NULL, NULL, NULL, 1, &results)) != LDAP_SUCCESS) {
 		uwsgi_log("LDAP: %s\n", ldap_err2string(ret));
 		exit(1);
 	}
@@ -318,17 +319,17 @@ void uwsgi_ldap_config(char *url) {
 	entry = ldap_first_entry(ldp, results);
 
 	int found = 0;
-	for( attr = ldap_first_attribute(ldp, entry, &ber); attr != NULL; attr = ldap_next_attribute(ldp, entry, ber)) {
-		if (!strncmp(attr,"uWSGI",5)) {
+	for (attr = ldap_first_attribute(ldp, entry, &ber); attr != NULL; attr = ldap_next_attribute(ldp, entry, ber)) {
+		if (!strncmp(attr, "uWSGI", 5)) {
 
 			found = 1;
-			uwsgi_attr = malloc( calc_ldap_name(attr) + 1 );
+			uwsgi_attr = malloc(calc_ldap_name(attr) + 1);
 			if (!uwsgi_attr) {
 				uwsgi_error("malloc()");
 				exit(1);
 			}
 
-			ldap2uwsgi(attr+5, uwsgi_attr);
+			ldap2uwsgi(attr + 5, uwsgi_attr);
 
 #ifdef UWSGI_DEBUG
 			uwsgi_debug("LDAP attribute: %s = --%s\n", attr, uwsgi_attr);
@@ -336,7 +337,7 @@ void uwsgi_ldap_config(char *url) {
 			bervalues = ldap_get_values_len(ldp, entry, attr);
 			if (bervalues) {
 				// do not free uwsgi_attr/uwsgi_val;
-				char *uwsgi_val = malloc( bervalues[0]->bv_len + 1 );
+				char *uwsgi_val = malloc(bervalues[0]->bv_len + 1);
 				if (!uwsgi_val) {
 					uwsgi_error("malloc()");
 					exit(1);
@@ -345,7 +346,7 @@ void uwsgi_ldap_config(char *url) {
 				memcpy(uwsgi_val, bervalues[0]->bv_val, bervalues[0]->bv_len);
 				uwsgi_val[bervalues[0]->bv_len] = 0;
 
-				add_exported_option((char*) uwsgi_attr, uwsgi_val, 0);
+				add_exported_option((char *) uwsgi_attr, uwsgi_val, 0);
 				free(bervalues);
 			}
 			else {

core/lock.c

@@ -20,7 +20,7 @@ static struct uwsgi_lock_item *uwsgi_register_lock(char *id, int rw) {
 		return uwsgi.registered_locks;
 	}
 
-	while(uli) {
+	while (uli) {
 		if (!uli->next) {
 			uli->next = uwsgi_malloc_shared(sizeof(struct uwsgi_lock_item));
 			if (rw) {
@@ -45,6 +45,10 @@ static struct uwsgi_lock_item *uwsgi_register_lock(char *id, int rw) {
 
 #ifdef UWSGI_LOCK_USE_MUTEX
 
+#ifdef OBSOLETE_LINUX_KERNEL
+#undef EOWNERDEAD
+#endif
+
 #ifdef EOWNERDEAD
 #define UWSGI_LOCK_ENGINE_NAME "pthread robust mutexes"
 int uwsgi_pthread_robust_mutexes_enabled = 1;
@@ -60,36 +64,50 @@ int uwsgi_pthread_robust_mutexes_enabled = 1;
 #define UWSGI_RWLOCK_SIZE	sizeof(pthread_rwlock_t)
 #endif
 
+#ifndef PTHREAD_PRIO_INHERIT
+int pthread_mutexattr_setprotocol (pthread_mutexattr_t *__attr,
+                                          int __protocol);
+#define PTHREAD_PRIO_INHERIT 1
+#endif
+
 // REMEMBER lock must contains space for both pthread_mutex_t and pthread_mutexattr_t !!! 
 struct uwsgi_lock_item *uwsgi_lock_fast_init(char *id) {
 
 	pthread_mutexattr_t attr;
-	
-        struct uwsgi_lock_item *uli = uwsgi_register_lock(id, 0);
+
+	struct uwsgi_lock_item *uli = uwsgi_register_lock(id, 0);
 
 #ifdef EOWNERDEAD
 retry:
 #endif
 	if (pthread_mutexattr_init(&attr)) {
-        	uwsgi_log("unable to allocate mutexattr structure\n");
-                exit(1);
+		uwsgi_log("unable to allocate mutexattr structure\n");
+		exit(1);
 	}
 
-        if (pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_SHARED)) {
-        	uwsgi_log("unable to share mutex\n");
-                exit(1);
-        }
+	if (pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_SHARED)) {
+		uwsgi_log("unable to share mutex\n");
+		exit(1);
+	}
 
 #ifdef EOWNERDEAD
+
+#ifndef PTHREAD_MUTEX_ROBUST
+#define PTHREAD_MUTEX_ROBUST PTHREAD_MUTEX_ROBUST_NP
+#endif
+	if (pthread_mutexattr_setprotocol(&attr, PTHREAD_PRIO_INHERIT)) {
+		uwsgi_log("unable to set PTHREAD_PRIO_INHERIT\n");
+		exit(1);
+	}
 	if (uwsgi_pthread_robust_mutexes_enabled) {
-        	if (pthread_mutexattr_setrobust_np(&attr, PTHREAD_MUTEX_ROBUST_NP)) {
-        		uwsgi_log("unable to make the mutex 'robust'\n");
-                	exit(1);
-        	}
+		if (pthread_mutexattr_setrobust_np(&attr, PTHREAD_MUTEX_ROBUST)) {
+			uwsgi_log("unable to make the mutex 'robust'\n");
+			exit(1);
+		}
 	}
 #endif
 
-        if (pthread_mutex_init((pthread_mutex_t *) uli->lock_ptr, &attr)) {
+	if (pthread_mutex_init((pthread_mutex_t *) uli->lock_ptr, &attr)) {
 #ifdef EOWNERDEAD
 		if (uwsgi_pthread_robust_mutexes_enabled) {
 			uwsgi_log("!!! it looks like your kernel does not support pthread robust mutexes !!!\n");
@@ -99,9 +117,9 @@ retry:
 			goto retry;
 		}
 #endif
-        	uwsgi_log("unable to initialize mutex\n");
-                exit(1);
-        }
+		uwsgi_log("unable to initialize mutex\n");
+		exit(1);
+	}
 
 	pthread_mutexattr_destroy(&attr);
 
@@ -116,25 +134,25 @@ retry:
 	return uli;
 }
 
-pid_t uwsgi_lock_fast_check(struct uwsgi_lock_item *uli) {
+pid_t uwsgi_lock_fast_check(struct uwsgi_lock_item * uli) {
 
-	if (pthread_mutex_trylock((pthread_mutex_t *) uli->lock_ptr) == 0 ) {
-		pthread_mutex_unlock((pthread_mutex_t *) uli->lock_ptr);	
+	if (pthread_mutex_trylock((pthread_mutex_t *) uli->lock_ptr) == 0) {
+		pthread_mutex_unlock((pthread_mutex_t *) uli->lock_ptr);
 		return 0;
 	}
 	return uli->pid;
 }
 
-pid_t uwsgi_rwlock_fast_check(struct uwsgi_lock_item *uli) {
+pid_t uwsgi_rwlock_fast_check(struct uwsgi_lock_item * uli) {
 #ifdef OBSOLETE_LINUX_KERNEL
 	return uwsgi_lock_fast_check(uli);
 #else
 
-	if (pthread_rwlock_trywrlock((pthread_rwlock_t *) uli->lock_ptr) == 0 ) {
-		pthread_rwlock_unlock((pthread_rwlock_t *) uli->lock_ptr);	
+	if (pthread_rwlock_trywrlock((pthread_rwlock_t *) uli->lock_ptr) == 0) {
+		pthread_rwlock_unlock((pthread_rwlock_t *) uli->lock_ptr);
 		return 0;
 	}
-        return uli->pid;
+	return uli->pid;
 #endif
 }
 
@@ -149,7 +167,7 @@ void uwsgi_lock_fast(struct uwsgi_lock_item *uli) {
 #else
 	pthread_mutex_lock((pthread_mutex_t *) uli->lock_ptr);
 #endif
-        uli->pid = uwsgi.mypid;
+	uli->pid = uwsgi.mypid;
 }
 
 void uwsgi_unlock_fast(struct uwsgi_lock_item *uli) {
@@ -164,7 +182,7 @@ void uwsgi_rlock_fast(struct uwsgi_lock_item *uli) {
 	uwsgi_lock_fast(uli);
 #else
 	pthread_rwlock_rdlock((pthread_rwlock_t *) uli->lock_ptr);
-        uli->pid = uwsgi.mypid;
+	uli->pid = uwsgi.mypid;
 #endif
 }
 
@@ -173,7 +191,7 @@ void uwsgi_wlock_fast(struct uwsgi_lock_item *uli) {
 	uwsgi_lock_fast(uli);
 #else
 	pthread_rwlock_wrlock((pthread_rwlock_t *) uli->lock_ptr);
-        uli->pid = uwsgi.mypid;
+	uli->pid = uwsgi.mypid;
 #endif
 }
 
@@ -182,7 +200,7 @@ void uwsgi_rwunlock_fast(struct uwsgi_lock_item *uli) {
 	uwsgi_unlock_fast(uli);
 #else
 	pthread_rwlock_unlock((pthread_rwlock_t *) uli->lock_ptr);
-        uli->pid = 0;
+	uli->pid = 0;
 #endif
 }
 
@@ -196,20 +214,20 @@ struct uwsgi_lock_item *uwsgi_rwlock_fast_init(char *id) {
 
 	struct uwsgi_lock_item *uli = uwsgi_register_lock(id, 1);
 
-        if (pthread_rwlockattr_init(&attr)) {
-                uwsgi_log("unable to allocate rwlock structure\n");
-                exit(1);
-        }
+	if (pthread_rwlockattr_init(&attr)) {
+		uwsgi_log("unable to allocate rwlock structure\n");
+		exit(1);
+	}
 
-        if (pthread_rwlockattr_setpshared(&attr, PTHREAD_PROCESS_SHARED)) {
-                uwsgi_log("unable to share rwlock\n");
-                exit(1);
-        }
+	if (pthread_rwlockattr_setpshared(&attr, PTHREAD_PROCESS_SHARED)) {
+		uwsgi_log("unable to share rwlock\n");
+		exit(1);
+	}
 
-        if (pthread_rwlock_init((pthread_rwlock_t *) uli->lock_ptr, &attr)) {
-                uwsgi_log("unable to initialize rwlock\n");
-                exit(1);
-        }
+	if (pthread_rwlock_init((pthread_rwlock_t *) uli->lock_ptr, &attr)) {
+		uwsgi_log("unable to initialize rwlock\n");
+		exit(1);
+	}
 
 	pthread_rwlockattr_destroy(&attr);
 
@@ -235,36 +253,46 @@ struct uwsgi_lock_item *uwsgi_rwlock_fast_init(char *id) {
 #define UWSGI_RWLOCK_SIZE	sizeof(struct umtx)
 #define UWSGI_LOCK_ENGINE_NAME	"FreeBSD umtx"
 
-struct uwsgi_lock_item *uwsgi_rwlock_fast_init(char *id) { return uwsgi_lock_fast_init(id) ;}
-void uwsgi_rlock_fast(struct uwsgi_lock_item *uli) { uwsgi_lock_fast(uli);}
-void uwsgi_wlock_fast(struct uwsgi_lock_item *uli) { uwsgi_lock_fast(uli);}
-void uwsgi_rwunlock_fast(struct uwsgi_lock_item *uli) { uwsgi_unlock_fast(uli); }
+struct uwsgi_lock_item *uwsgi_rwlock_fast_init(char *id) {
+	return uwsgi_lock_fast_init(id);
+}
+void uwsgi_rlock_fast(struct uwsgi_lock_item *uli) {
+	uwsgi_lock_fast(uli);
+}
+void uwsgi_wlock_fast(struct uwsgi_lock_item *uli) {
+	uwsgi_lock_fast(uli);
+}
+void uwsgi_rwunlock_fast(struct uwsgi_lock_item *uli) {
+	uwsgi_unlock_fast(uli);
+}
 
 struct uwsgi_lock_item *uwsgi_lock_fast_init(char *id) {
 	struct uwsgi_lock_item *uli = uwsgi_register_lock(id, 0);
-	umtx_init((struct umtx*) uli->lock_ptr);
+	umtx_init((struct umtx *) uli->lock_ptr);
 	return uli;
 }
 
 void uwsgi_lock_fast(struct uwsgi_lock_item *uli) {
-	umtx_lock((struct umtx*) uli->lock_ptr, (u_long) getpid() );
+	umtx_lock((struct umtx *) uli->lock_ptr, (u_long) getpid());
 	uli->pid = uwsgi.mypid;
 }
 
 void uwsgi_unlock_fast(struct uwsgi_lock_item *uli) {
-	umtx_unlock((struct umtx*) uli->lock_ptr, (u_long) getpid() );
+	umtx_unlock((struct umtx *) uli->lock_ptr, (u_long) getpid());
 	uli->pid = 0;
 }
 
 pid_t uwsgi_lock_fast_check(struct uwsgi_lock_item *uli) {
-	if (umtx_trylock((struct umtx*) uli->lock_ptr, (u_long) getpid() )) {
-		umtx_unlock((struct umtx*) uli->lock_ptr, (u_long) getpid() );
+	if (umtx_trylock((struct umtx *) uli->lock_ptr, (u_long) getpid())) {
+		umtx_unlock((struct umtx *) uli->lock_ptr, (u_long) getpid());
 		return 0;
 	}
 	return uli->pid;
 }
 
-pid_t uwsgi_rwlock_fast_check(struct uwsgi_lock_item *uli) { return uwsgi_lock_fast_check(uli); }
+pid_t uwsgi_rwlock_fast_check(struct uwsgi_lock_item * uli) {
+	return uwsgi_lock_fast_check(uli);
+}
 
 #elif defined(UWSGI_LOCK_USE_POSIX_SEM)
 
@@ -275,36 +303,46 @@ pid_t uwsgi_rwlock_fast_check(struct uwsgi_lock_item *uli) { return uwsgi_lock_f
 #include <semaphore.h>
 
 struct uwsgi_lock_item *uwsgi_lock_fast_init(char *id) {
-        struct uwsgi_lock_item *uli = uwsgi_register_lock(id, 0);
-        sem_init((sem_t*) uli->lock_ptr, 1, 1);
+	struct uwsgi_lock_item *uli = uwsgi_register_lock(id, 0);
+	sem_init((sem_t *) uli->lock_ptr, 1, 1);
 	uli->can_deadlock = 1;
-        return uli;
+	return uli;
 }
 
-struct uwsgi_lock_item *uwsgi_rwlock_fast_init(char *id) { return uwsgi_lock_fast_init(id) ;}
+struct uwsgi_lock_item *uwsgi_rwlock_fast_init(char *id) {
+	return uwsgi_lock_fast_init(id);
+}
 
 void uwsgi_lock_fast(struct uwsgi_lock_item *uli) {
-        sem_wait((sem_t *) uli->lock_ptr);
-        uli->pid = uwsgi.mypid;
+	sem_wait((sem_t *) uli->lock_ptr);
+	uli->pid = uwsgi.mypid;
 }
 
 void uwsgi_unlock_fast(struct uwsgi_lock_item *uli) {
-        sem_post((sem_t*) uli->lock_ptr);
-        uli->pid = 0;
+	sem_post((sem_t *) uli->lock_ptr);
+	uli->pid = 0;
 }
 
 pid_t uwsgi_lock_fast_check(struct uwsgi_lock_item *uli) {
 	if (sem_trywait((sem_t *) uli->lock_ptr) == 0) {
-		sem_post((sem_t*) uli->lock_ptr);
-                return 0;
-        }
-        return uli->pid;
+		sem_post((sem_t *) uli->lock_ptr);
+		return 0;
+	}
+	return uli->pid;
 }
 
-pid_t uwsgi_rwlock_fast_check(struct uwsgi_lock_item *uli) { return uwsgi_lock_fast_check(uli); }
-void uwsgi_rlock_fast(struct uwsgi_lock_item *uli) { uwsgi_lock_fast(uli);}
-void uwsgi_wlock_fast(struct uwsgi_lock_item *uli) { uwsgi_lock_fast(uli);}
-void uwsgi_rwunlock_fast(struct uwsgi_lock_item *uli) { uwsgi_unlock_fast(uli); }
+pid_t uwsgi_rwlock_fast_check(struct uwsgi_lock_item * uli) {
+	return uwsgi_lock_fast_check(uli);
+}
+void uwsgi_rlock_fast(struct uwsgi_lock_item *uli) {
+	uwsgi_lock_fast(uli);
+}
+void uwsgi_wlock_fast(struct uwsgi_lock_item *uli) {
+	uwsgi_lock_fast(uli);
+}
+void uwsgi_rwunlock_fast(struct uwsgi_lock_item *uli) {
+	uwsgi_unlock_fast(uli);
+}
 
 
 #elif defined(UWSGI_LOCK_USE_OSX_SPINLOCK)
@@ -342,19 +380,27 @@ pid_t uwsgi_lock_fast_check(struct uwsgi_lock_item *uli) {
 	return uli->pid;
 }
 
-struct uwsgi_lock_item *uwsgi_rwlock_fast_init(char *id) { 
+struct uwsgi_lock_item *uwsgi_rwlock_fast_init(char *id) {
 	struct uwsgi_lock_item *uli = uwsgi_register_lock(id, 1);
 	memset(uli->lock_ptr, 0, UWSGI_LOCK_SIZE);
 	uli->can_deadlock = 1;
 	return uli;
 }
 
-void uwsgi_rlock_fast(struct uwsgi_lock_item *uli) { uwsgi_lock_fast(uli);}
-void uwsgi_wlock_fast(struct uwsgi_lock_item *uli) { uwsgi_lock_fast(uli);}
+void uwsgi_rlock_fast(struct uwsgi_lock_item *uli) {
+	uwsgi_lock_fast(uli);
+}
+void uwsgi_wlock_fast(struct uwsgi_lock_item *uli) {
+	uwsgi_lock_fast(uli);
+}
 
-pid_t uwsgi_rwlock_fast_check(struct uwsgi_lock_item *uli) { return uwsgi_lock_fast_check(uli); }
+pid_t uwsgi_rwlock_fast_check(struct uwsgi_lock_item *uli) {
+	return uwsgi_lock_fast_check(uli);
+}
 
-void uwsgi_rwunlock_fast(struct uwsgi_lock_item *uli) { uwsgi_unlock_fast(uli); }
+void uwsgi_rwunlock_fast(struct uwsgi_lock_item *uli) {
+	uwsgi_unlock_fast(uli);
+}
 
 #else
 
@@ -384,10 +430,10 @@ struct uwsgi_lock_item *uwsgi_lock_ipcsem_init(char *id) {
 	// used by ftok
 	static int counter = 1;
 	union semun {
- 		int val;
+		int val;
 		struct semid_ds *buf;
 		ushort *array;
-	} semu ;
+	} semu;
 	int semid;
 	key_t myKey;
 
@@ -400,10 +446,10 @@ struct uwsgi_lock_item *uwsgi_lock_ipcsem_init(char *id) {
 			exit(1);
 		}
 		counter++;
-		semid = semget(myKey, 1, IPC_CREAT|0666);
+		semid = semget(myKey, 1, IPC_CREAT | 0666);
 	}
 	else {
-		semid = semget(IPC_PRIVATE, 1, IPC_CREAT|IPC_EXCL| 0666);
+		semid = semget(IPC_PRIVATE, 1, IPC_CREAT | IPC_EXCL | 0666);
 	}
 
 	if (semid < 0) {
@@ -418,7 +464,7 @@ struct uwsgi_lock_item *uwsgi_lock_ipcsem_init(char *id) {
 		uwsgi_error("semctl()");
 		exit(1);
 	}
-	
+
 	return uli;
 }
 
@@ -434,7 +480,7 @@ void uwsgi_lock_ipcsem(struct uwsgi_lock_item *uli) {
 
 	if (semop(semid, &sb, 1)) {
 		uwsgi_error("semop()");
-	} 
+	}
 }
 
 void uwsgi_unlock_ipcsem(struct uwsgi_lock_item *uli) {
@@ -449,14 +495,22 @@ void uwsgi_unlock_ipcsem(struct uwsgi_lock_item *uli) {
 
 	if (semop(semid, &sb, 1)) {
 		uwsgi_error("semop()");
-	} 
+	}
 
 }
 
-struct uwsgi_lock_item *uwsgi_rwlock_ipcsem_init(char *id) { return uwsgi_lock_ipcsem_init(id);}
-void uwsgi_rlock_ipcsem(struct uwsgi_lock_item *uli) { uwsgi_lock_ipcsem(uli);}
-void uwsgi_wlock_ipcsem(struct uwsgi_lock_item *uli) { uwsgi_lock_ipcsem(uli);}
-void uwsgi_rwunlock_ipcsem(struct uwsgi_lock_item *uli) { uwsgi_unlock_ipcsem(uli); }
+struct uwsgi_lock_item *uwsgi_rwlock_ipcsem_init(char *id) {
+	return uwsgi_lock_ipcsem_init(id);
+}
+void uwsgi_rlock_ipcsem(struct uwsgi_lock_item *uli) {
+	uwsgi_lock_ipcsem(uli);
+}
+void uwsgi_wlock_ipcsem(struct uwsgi_lock_item *uli) {
+	uwsgi_lock_ipcsem(uli);
+}
+void uwsgi_rwunlock_ipcsem(struct uwsgi_lock_item *uli) {
+	uwsgi_unlock_ipcsem(uli);
+}
 
 // ipc cannot deadlock
 pid_t uwsgi_lock_ipcsem_check(struct uwsgi_lock_item *uli) {
@@ -467,13 +521,17 @@ void uwsgi_ipcsem_clear(void) {
 
 	struct uwsgi_lock_item *uli = uwsgi.registered_locks;
 
-	if (!uwsgi.workers) goto clear;
+	if (!uwsgi.workers)
+		goto clear;
 
-	if (uwsgi.mywid == 0) goto clear;
+	if (uwsgi.mywid == 0)
+		goto clear;
 
-	if (uwsgi.master_process && getpid() == uwsgi.workers[0].pid) goto clear;
+	if (uwsgi.master_process && getpid() == uwsgi.workers[0].pid)
+		goto clear;
 
-	if (!uwsgi.master_process && uwsgi.mywid == 1) goto clear;
+	if (!uwsgi.master_process && uwsgi.mywid == 1)
+		goto clear;
 
 	return;
 
@@ -482,7 +540,7 @@ clear:
 #ifdef UWSGI_DEBUG
 	uwsgi_log("removing sysvipc semaphores...\n");
 #endif
-        while(uli) {
+	while (uli) {
 		int semid = 0;
 		memcpy(&semid, uli->lock_ptr, sizeof(int));
 		if (semctl(semid, 0, IPC_RMID)) {
@@ -493,7 +551,9 @@ clear:
 }
 
 
-pid_t uwsgi_rwlock_ipcsem_check(struct uwsgi_lock_item *uli) { return uwsgi_lock_ipcsem_check(uli); }
+pid_t uwsgi_rwlock_ipcsem_check(struct uwsgi_lock_item *uli) {
+	return uwsgi_lock_ipcsem_check(uli);
+}
 
 
 void uwsgi_setup_locking() {
@@ -514,8 +574,10 @@ void uwsgi_setup_locking() {
 			uwsgi.lock_ops.rwunlock = uwsgi_rwunlock_ipcsem;
 			uwsgi.lock_size = 8;
 			uwsgi.rwlock_size = 8;
-			return;
+			goto ready;
 		}
+		uwsgi_log("unable to find lock engine \"%s\"\n", uwsgi.lock_engine);
+		exit(1);
 	}
 
 	uwsgi_log_initial("lock engine: %s\n", UWSGI_LOCK_ENGINE_NAME);
@@ -536,37 +598,43 @@ void uwsgi_setup_locking() {
 
 	// application generic lock
 	int i;
-        uwsgi.user_lock = uwsgi_malloc(sizeof(void *) * (uwsgi.locks + 1));
-        for (i = 0; i < uwsgi.locks + 1; i++) {
-                uwsgi.user_lock[i] = uwsgi_lock_init(uwsgi_concat2("user ", uwsgi_num2str(i)));
-        }
+ready:
+	uwsgi.user_lock = uwsgi_malloc(sizeof(void *) * (uwsgi.locks + 1));
+	for (i = 0; i < uwsgi.locks + 1; i++) {
+		uwsgi.user_lock[i] = uwsgi_lock_init(uwsgi_concat2("user ", uwsgi_num2str(i)));
+	}
 
 	// event queue lock (mitigate same event on multiple queues)
-        if (uwsgi.threads > 1) {
-                pthread_mutex_init(&uwsgi.thunder_mutex, NULL);
-        }
+	if (uwsgi.threads > 1) {
+		pthread_mutex_init(&uwsgi.thunder_mutex, NULL);
+	}
 
-        if (uwsgi.master_process) {
-                // signal table lock
-                uwsgi.signal_table_lock = uwsgi_lock_init("signal");
+	if (uwsgi.master_process) {
+		// signal table lock
+		uwsgi.signal_table_lock = uwsgi_lock_init("signal");
 
-                // fmon table lock
-                uwsgi.fmon_table_lock = uwsgi_lock_init("filemon");
+		// fmon table lock
+		uwsgi.fmon_table_lock = uwsgi_lock_init("filemon");
 
-                // timer table lock
-                uwsgi.timer_table_lock = uwsgi_lock_init("timer");
+		// timer table lock
+		uwsgi.timer_table_lock = uwsgi_lock_init("timer");
 
-                // probe table lock
-                uwsgi.probe_table_lock = uwsgi_lock_init("probe");
+		// probe table lock
+		uwsgi.probe_table_lock = uwsgi_lock_init("probe");
 
-                // rb_timer table lock
-                uwsgi.rb_timer_table_lock = uwsgi_lock_init("rbtimer");
+		// rb_timer table lock
+		uwsgi.rb_timer_table_lock = uwsgi_lock_init("rbtimer");
 
-                // cron table lock
-                uwsgi.cron_table_lock = uwsgi_lock_init("cron");
-        }
+		// cron table lock
+		uwsgi.cron_table_lock = uwsgi_lock_init("cron");
+	}
 
-        uwsgi.rpc_table_lock = uwsgi_lock_init("rpc");
+	if (uwsgi.use_thunder_lock) {
+		// process shared thunder lock
+		uwsgi.the_thunder_lock = uwsgi_lock_init("thunder");
+	}
+
+	uwsgi.rpc_table_lock = uwsgi_lock_init("rpc");
 
 }
 
@@ -589,52 +657,51 @@ int uwsgi_fcntl_lock(int fd) {
 int uwsgi_fcntl_is_locked(int fd) {
 
 	struct flock fl;
-        fl.l_type = F_WRLCK;
-        fl.l_whence = SEEK_SET;
-        fl.l_start = 0;
-        fl.l_len = 0;
-        fl.l_pid = 0;
+	fl.l_type = F_WRLCK;
+	fl.l_whence = SEEK_SET;
+	fl.l_start = 0;
+	fl.l_len = 0;
+	fl.l_pid = 0;
 
-        if (fcntl(fd, F_SETLK, &fl)) {
+	if (fcntl(fd, F_SETLK, &fl)) {
 		return 1;
 	}
 
 	return 0;
-	
+
 }
 
 void uwsgi_deadlock_check(pid_t diedpid) {
 	struct uwsgi_lock_item *uli = uwsgi.registered_locks;
-                while (uli) {
-                        if (!uli->can_deadlock)
-                                goto nextlock;
-                        pid_t locked_pid = 0;
-                        if (uli->rw) {
-                                locked_pid = uwsgi_rwlock_check(uli);
-                        }
-                        else {
-                                locked_pid = uwsgi_lock_check(uli);
-                        }
-                        if (locked_pid == diedpid) {
-                                uwsgi_log("[deadlock-detector] pid %d was holding lock %s (%p)\n", (int) diedpid, uli->id, uli->lock_ptr);
-                                if (uli->rw) {
-                                        uwsgi_rwunlock(uli);
-                                }
-                                else {
-                                        uwsgi_unlock(uli);
-                                }
-                        }
+	while (uli) {
+		if (!uli->can_deadlock)
+			goto nextlock;
+		pid_t locked_pid = 0;
+		if (uli->rw) {
+			locked_pid = uwsgi_rwlock_check(uli);
+		}
+		else {
+			locked_pid = uwsgi_lock_check(uli);
+		}
+		if (locked_pid == diedpid) {
+			uwsgi_log("[deadlock-detector] pid %d was holding lock %s (%p)\n", (int) diedpid, uli->id, uli->lock_ptr);
+			if (uli->rw) {
+				uwsgi_rwunlock(uli);
+			}
+			else {
+				uwsgi_unlock(uli);
+			}
+		}
 nextlock:
-                        uli = uli->next;
-                }
+		uli = uli->next;
+	}
 
 }
 
 void uwsgi_user_lock(int lock_num) {
-        uwsgi_lock(uwsgi.user_lock[lock_num]);
+	uwsgi_lock(uwsgi.user_lock[lock_num]);
 }
 
 void uwsgi_user_unlock(int lock_num) {
-        uwsgi_unlock(uwsgi.user_lock[lock_num]);
+	uwsgi_unlock(uwsgi.user_lock[lock_num]);
 }
-

core/loop.c

@@ -10,18 +10,19 @@ struct wsgi_request *simple_current_wsgi_req() {
 }
 
 
-void uwsgi_register_loop(char *name, void (*func)(void)) {
+void uwsgi_register_loop(char *name, void (*func) (void)) {
 
 	struct uwsgi_loop *old_loop = NULL, *loop = uwsgi.loops;
 
-	while(loop) {
+	while (loop) {
 		// check if the loop engine is already registered
-		if (!strcmp(name, loop->name)) return;
+		if (!strcmp(name, loop->name))
+			return;
 		old_loop = loop;
 		loop = loop->next;
 	}
 
-	loop = uwsgi_calloc(sizeof(struct uwsgi_loop));	
+	loop = uwsgi_calloc(sizeof(struct uwsgi_loop));
 	loop->name = name;
 	loop->loop = func;
 
@@ -37,7 +38,7 @@ void *uwsgi_get_loop(char *name) {
 
 	struct uwsgi_loop *loop = uwsgi.loops;
 
-	while(loop) {
+	while (loop) {
 		if (!strcmp(name, loop->name)) {
 			return loop->loop;
 		}
@@ -61,56 +62,56 @@ void simple_loop() {
 	uwsgi_loop_cores_run(simple_loop_run);
 }
 
-void uwsgi_loop_cores_run(void *(*func)(void *)) {
+void uwsgi_loop_cores_run(void *(*func) (void *)) {
 	int i;
 #ifdef UWSGI_THREADING
 	for (i = 1; i < uwsgi.threads; i++) {
-        	long j = i;
-                pthread_create(&uwsgi.workers[uwsgi.mywid].cores[i].thread_id, &uwsgi.threads_attr, func, (void *) j);
+		long j = i;
+		pthread_create(&uwsgi.workers[uwsgi.mywid].cores[i].thread_id, &uwsgi.threads_attr, func, (void *) j);
 	}
 #endif
 	long y = 0;
-        func((void *) y);
+	func((void *) y);
 }
 
 void uwsgi_setup_thread_req(long core_id, struct wsgi_request *wsgi_req) {
 	int i;
-                sigset_t smask;
+	sigset_t smask;
 
 
-                pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &i);
-                pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &i);
-                pthread_setspecific(uwsgi.tur_key, (void *) wsgi_req);
+	pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &i);
+	pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &i);
+	pthread_setspecific(uwsgi.tur_key, (void *) wsgi_req);
 
-                if (core_id > 0) {
-                        // block all signals on new threads
-                        sigfillset(&smask);
+	if (core_id > 0) {
+		// block all signals on new threads
+		sigfillset(&smask);
 #ifdef UWSGI_DEBUG
-                        sigdelset(&smask, SIGSEGV);
+		sigdelset(&smask, SIGSEGV);
 #endif
-                        pthread_sigmask(SIG_BLOCK, &smask, NULL);
+		pthread_sigmask(SIG_BLOCK, &smask, NULL);
 
-                        // run per-thread socket hook
-                        struct uwsgi_socket *uwsgi_sock = uwsgi.sockets;
-                        while(uwsgi_sock) {
-                                if (uwsgi_sock->proto_thread_fixup) {
-                                        uwsgi_sock->proto_thread_fixup(uwsgi_sock, core_id);
-                                }
-                                uwsgi_sock = uwsgi_sock->next;
-                        }
+		// run per-thread socket hook
+		struct uwsgi_socket *uwsgi_sock = uwsgi.sockets;
+		while (uwsgi_sock) {
+			if (uwsgi_sock->proto_thread_fixup) {
+				uwsgi_sock->proto_thread_fixup(uwsgi_sock, core_id);
+			}
+			uwsgi_sock = uwsgi_sock->next;
+		}
 
-                        for (i = 0; i < 256; i++) {
-                                if (uwsgi.p[i]->init_thread) {
-                                        uwsgi.p[i]->init_thread(core_id);
-                                }
-                        }
-                }
+		for (i = 0; i < 256; i++) {
+			if (uwsgi.p[i]->init_thread) {
+				uwsgi.p[i]->init_thread(core_id);
+			}
+		}
+	}
 
 }
 
 void simple_loop_run_int(int core_id) {
 	long y = core_id;
-        simple_loop_run((void *) y);
+	simple_loop_run((void *) y);
 }
 
 void *simple_loop_run(void *arg1) {

core/master.c

@@ -15,8 +15,8 @@ void uwsgi_restore_auto_snapshot(int signum) {
 
 void uwsgi_block_signal(int signum) {
 	sigset_t smask;
-        sigemptyset(&smask);
-	sigaddset(&smask, signum);	
+	sigemptyset(&smask);
+	sigaddset(&smask, signum);
 	if (sigprocmask(SIG_BLOCK, &smask, NULL)) {
 		uwsgi_error("sigprocmask()");
 	}
@@ -24,8 +24,8 @@ void uwsgi_block_signal(int signum) {
 
 void uwsgi_unblock_signal(int signum) {
 	sigset_t smask;
-        sigemptyset(&smask);
-	sigaddset(&smask, signum);	
+	sigemptyset(&smask);
+	sigaddset(&smask, signum);
 	if (sigprocmask(SIG_UNBLOCK, &smask, NULL)) {
 		uwsgi_error("sigprocmask()");
 	}
@@ -231,28 +231,28 @@ int uwsgi_master_check_mercy() {
 }
 
 
-void expire_rb_timeouts(struct rb_root *root) {
+void expire_rb_timeouts(struct uwsgi_rbtree *tree) {
 
-	time_t current = uwsgi_now();
+	uint64_t current = (uint64_t) uwsgi_now();
 	struct uwsgi_rb_timer *urbt;
 	struct uwsgi_signal_rb_timer *usrbt;
 
 	for (;;) {
 
-		urbt = uwsgi_min_rb_timer(root);
+		urbt = uwsgi_min_rb_timer(tree, NULL);
 
 		if (urbt == NULL)
 			return;
 
-		if (urbt->key <= current) {
+		if (urbt->value <= current) {
 			// remove the timeout and add another
 			usrbt = (struct uwsgi_signal_rb_timer *) urbt->data;
-			rb_erase(&usrbt->uwsgi_rb_timer->rbt, root);
-			free(usrbt->uwsgi_rb_timer);
+			uwsgi_del_rb_timer(tree, urbt);
+			free(urbt);
 			usrbt->iterations_done++;
 			uwsgi_route_signal(usrbt->sig);
 			if (!usrbt->iterations || usrbt->iterations_done < usrbt->iterations) {
-				usrbt->uwsgi_rb_timer = uwsgi_add_rb_timer(root, uwsgi_now() + usrbt->value, usrbt);
+				usrbt->uwsgi_rb_timer = uwsgi_add_rb_timer(tree, uwsgi_now() + usrbt->value, usrbt);
 			}
 			continue;
 		}
@@ -270,7 +270,7 @@ int uwsgi_master_log(void) {
 #endif
 #ifdef UWSGI_PCRE
 		struct uwsgi_regexp_list *url = uwsgi.log_drain_rules;
-		while(url) {
+		while (url) {
 			if (uwsgi_regexp_match(url->pattern, url->pattern_extra, uwsgi.log_master_buf, rlen) >= 0) {
 				return 0;
 			}
@@ -279,35 +279,37 @@ int uwsgi_master_log(void) {
 		if (uwsgi.log_filter_rules) {
 			int show = 0;
 			url = uwsgi.log_filter_rules;
-			while(url) {
+			while (url) {
 				if (uwsgi_regexp_match(url->pattern, url->pattern_extra, uwsgi.log_master_buf, rlen) >= 0) {
 					show = 1;
 					break;
 				}
 				url = url->next;
 			}
-			if (!show) return 0;
+			if (!show)
+				return 0;
 		}
 
 		url = uwsgi.log_route;
 		int finish = 0;
-		while(url) {
+		while (url) {
 			if (uwsgi_regexp_match(url->pattern, url->pattern_extra, uwsgi.log_master_buf, rlen) >= 0) {
 				struct uwsgi_logger *ul_route = (struct uwsgi_logger *) url->custom_ptr;
 				if (ul_route) {
 					ul_route->func(ul_route, uwsgi.log_master_buf, rlen);
 					finish = 1;
 				}
-                        }
-                        url = url->next;
+			}
+			url = url->next;
 		}
-		if (finish) return 0;
+		if (finish)
+			return 0;
 #endif
 
 		int raw_log = 1;
 
-		struct uwsgi_logger *ul = uwsgi.choosen_logger; 
-		while(ul) {
+		struct uwsgi_logger *ul = uwsgi.choosen_logger;
+		while (ul) {
 			// check for named logger
 			if (ul->id) {
 				goto next;
@@ -620,7 +622,7 @@ int master_loop(char **argv, char **environ) {
 	int check_interval = 1;
 
 	struct uwsgi_rb_timer *min_timeout;
-	struct rb_root *rb_timers = uwsgi_init_rb_timer();
+	struct uwsgi_rbtree *rb_timers = uwsgi_init_rb_timer();
 
 
 	if (uwsgi.procname_master) {
@@ -736,12 +738,12 @@ int master_loop(char **argv, char **environ) {
 	}
 
 
-	if (uwsgi.requested_stats_pushers) {
+	if (uwsgi.stats_pusher_instances) {
 		if (!uwsgi_thread_new(uwsgi_stats_pusher_loop)) {
-                	uwsgi_log("!!! unable to spawn stats pusher thread !!!\n");
-                	exit(1);
+			uwsgi_log("!!! unable to spawn stats pusher thread !!!\n");
+			exit(1);
 		}
-        }
+	}
 
 #ifdef UWSGI_UDP
 	if (uwsgi.udp_socket) {
@@ -973,12 +975,12 @@ int master_loop(char **argv, char **environ) {
 			int interesting_fd = -1;
 
 			if (ushared->rb_timers_cnt > 0) {
-				min_timeout = uwsgi_min_rb_timer(rb_timers);
+				min_timeout = uwsgi_min_rb_timer(rb_timers, NULL);
 				if (min_timeout == NULL) {
 					check_interval = uwsgi.shared->options[UWSGI_OPTION_MASTER_INTERVAL];
 				}
 				else {
-					check_interval = min_timeout->key - uwsgi_now();
+					check_interval = min_timeout->value - uwsgi_now();
 					if (check_interval <= 0) {
 						expire_rb_timeouts(rb_timers);
 						check_interval = 0;
@@ -1243,12 +1245,12 @@ health_cycle:
 
 				int busy_workers = 0;
 				for (i = 1; i <= uwsgi.numproc; i++) {
-                                        if (uwsgi.workers[i].cheaped == 0 && uwsgi.workers[i].pid > 0) {
-                                                if (uwsgi.workers[i].busy == 1) {
-                                                	busy_workers = 1;
-                                                	break;
-                                        	}
-                                	}
+					if (uwsgi.workers[i].cheaped == 0 && uwsgi.workers[i].pid > 0) {
+						if (uwsgi.workers[i].busy == 1) {
+							busy_workers = 1;
+							break;
+						}
+					}
 				}
 
 				if (last_request_count != uwsgi.workers[0].requests) {
@@ -1459,6 +1461,12 @@ health_cycle:
 				continue;
 #endif
 
+			if (uwsgi.emperor_pid >= 0 && diedpid == uwsgi.emperor_pid) {
+				uwsgi_log_verbose("!!! Emperor died !!!\n");
+				uwsgi_emperor_start();
+				continue;
+			}
+
 			pid_found = 0;
 			for (i = 0; i < uwsgi.mules_cnt; i++) {
 				if (uwsgi.mules[i].pid == diedpid) {
@@ -1533,7 +1541,8 @@ health_cycle:
 				}
 			}
 
-			if (uwsgi_daemon_check_pid_death(diedpid)) goto next;
+			if (uwsgi_daemon_check_pid_death(diedpid))
+				goto next;
 
 			if (WIFEXITED(waitpid_status)) {
 				uwsgi_log("subprocess %d exited with code %d\n", (int) diedpid, WEXITSTATUS(waitpid_status));
@@ -1592,8 +1601,9 @@ next:
 				uwsgi_log("DAMN ! worker %d (pid: %d) died :( trying respawn ...\n", uwsgi.mywid, (int) diedpid);
 			}
 		}
-		else {
-                	uwsgi_log("DAMN ! worker %d (pid: %d) MISTERIOUSLY died :( trying respawn ...\n", uwsgi.mywid, (int) diedpid);
+		// manage_next_request is zero, but killed by signal...
+		else if (WIFSIGNALED(waitpid_status)) {
+			uwsgi_log("DAMN ! worker %d (pid: %d) MISTERIOUSLY killed by signal :( trying respawn ...\n", uwsgi.mywid, (int) diedpid, (int) WTERMSIG(waitpid_status));
 		}
 
 		if (uwsgi.workers[uwsgi.mywid].cheaped == 1) {

core/master_utils.c

@@ -7,24 +7,25 @@ void worker_wakeup() {
 
 void uwsgi_master_cleanup_hooks(void) {
 
-        int j;
+	int j;
 
 	// could be an inherited atexit hook
-	if (uwsgi.mywid > 0) return ;
-	
+	if (uwsgi.mywid > 0)
+		return;
+
 	uwsgi.cleaning = 1;
 
-        for (j = 0; j < uwsgi.gp_cnt; j++) {
-                if (uwsgi.gp[j]->master_cleanup) {
-                        uwsgi.gp[j]->master_cleanup();
-                }
-        }
+	for (j = 0; j < uwsgi.gp_cnt; j++) {
+		if (uwsgi.gp[j]->master_cleanup) {
+			uwsgi.gp[j]->master_cleanup();
+		}
+	}
 
-        for (j = 0; j < 256; j++) {
-                if (uwsgi.p[j]->master_cleanup) {
-                        uwsgi.p[j]->master_cleanup();
-                }
-        }
+	for (j = 0; j < 256; j++) {
+		if (uwsgi.p[j]->master_cleanup) {
+			uwsgi.p[j]->master_cleanup();
+		}
+	}
 
 }
 
@@ -507,7 +508,8 @@ int uwsgi_respawn_worker(int wid) {
 
 	uwsgi.workers[wid].cheaped = 0;
 	uwsgi.workers[wid].busy = 0;
-	uwsgi.workers[wid].suspended = 0;
+	// SUSPENSION is managed by the user, not the master...
+	//uwsgi.workers[wid].suspended = 0;
 	uwsgi.workers[wid].sig = 0;
 
 	// this is required for various checks
@@ -531,11 +533,11 @@ int uwsgi_respawn_worker(int wid) {
 		// OVERENGINEERING (just to be safe)
 		uwsgi.workers[uwsgi.mywid].id = uwsgi.mywid;
 		/*
-		uwsgi.workers[uwsgi.mywid].harakiri = 0;
-		uwsgi.workers[uwsgi.mywid].user_harakiri = 0;
-		uwsgi.workers[uwsgi.mywid].rss_size = 0;
-		uwsgi.workers[uwsgi.mywid].vsz_size = 0;
-		*/
+		   uwsgi.workers[uwsgi.mywid].harakiri = 0;
+		   uwsgi.workers[uwsgi.mywid].user_harakiri = 0;
+		   uwsgi.workers[uwsgi.mywid].rss_size = 0;
+		   uwsgi.workers[uwsgi.mywid].vsz_size = 0;
+		 */
 		// do not reset worker counters on reload !!!
 		//uwsgi.workers[uwsgi.mywid].requests = 0;
 		// ...but maintain a delta counter (yes this is racy in multithread)
@@ -545,15 +547,20 @@ int uwsgi_respawn_worker(int wid) {
 		//uwsgi.workers[uwsgi.mywid].last_spawn = uwsgi.current_time;
 		uwsgi.workers[uwsgi.mywid].manage_next_request = 1;
 		/*
-		uwsgi.workers[uwsgi.mywid].cheaped = 0;
-		uwsgi.workers[uwsgi.mywid].busy = 0;
-		uwsgi.workers[uwsgi.mywid].suspended = 0;
-		uwsgi.workers[uwsgi.mywid].sig = 0;
-		*/
+		   uwsgi.workers[uwsgi.mywid].cheaped = 0;
+		   uwsgi.workers[uwsgi.mywid].busy = 0;
+		   uwsgi.workers[uwsgi.mywid].suspended = 0;
+		   uwsgi.workers[uwsgi.mywid].sig = 0;
+		 */
 
 		// reset the apps count with a copy from the master 
 		uwsgi.workers[uwsgi.mywid].apps_cnt = uwsgi.workers[0].apps_cnt;
 
+		// reset wsgi_request structures
+                for(i=0;i<uwsgi.cores;i++) {
+                        memset(&uwsgi.workers[uwsgi.mywid].cores[i].req, 0, sizeof(struct wsgi_request));
+                }
+
 		uwsgi_fixup_fds(wid, 0, NULL);
 
 		uwsgi.my_signal_socket = uwsgi.workers[wid].signal_pipe[1];
@@ -576,7 +583,7 @@ int uwsgi_respawn_worker(int wid) {
 	else {
 		// the pid is set only in the master, as the worker should never use it
 		uwsgi.workers[wid].pid = pid;
-		
+
 		if (respawns > 0) {
 			uwsgi_log("Respawned uWSGI worker %d (new pid: %d)\n", wid, (int) pid);
 		}
@@ -861,43 +868,43 @@ struct uwsgi_stats *uwsgi_master_generate_stats() {
 		goto end;
 
 	if (uwsgi_stats_key(us, "sockets"))
-                goto end;
+		goto end;
 
 	if (uwsgi_stats_list_open(us))
-                goto end;
+		goto end;
 
 	struct uwsgi_socket *uwsgi_sock = uwsgi.sockets;
-	while(uwsgi_sock) {
+	while (uwsgi_sock) {
 		if (uwsgi_stats_object_open(us))
-                        goto end;
+			goto end;
 
 		if (uwsgi_stats_keyval_comma(us, "name", uwsgi_sock->name))
-                	goto end;
+			goto end;
 
 		if (uwsgi_stats_keyval_comma(us, "proto", uwsgi_sock->proto_name ? uwsgi_sock->proto_name : "uwsgi"))
-                	goto end;
+			goto end;
 
 		if (uwsgi_stats_keylong_comma(us, "queue", (unsigned long long) uwsgi_sock->queue))
-                        goto end;
+			goto end;
 
 		if (uwsgi_stats_keylong_comma(us, "shared", (unsigned long long) uwsgi_sock->shared))
-                        goto end;
+			goto end;
 
 		if (uwsgi_stats_keylong(us, "can_offload", (unsigned long long) uwsgi_sock->can_offload))
-                        goto end;
+			goto end;
 
 		if (uwsgi_stats_object_close(us))
-                        goto end;
-		
+			goto end;
+
 		uwsgi_sock = uwsgi_sock->next;
 		if (uwsgi_sock) {
 			if (uwsgi_stats_comma(us))
-                	goto end;
+				goto end;
 		}
 	}
 
 	if (uwsgi_stats_list_close(us))
-                goto end;
+		goto end;
 
 	if (uwsgi_stats_comma(us))
 		goto end;
@@ -926,16 +933,12 @@ struct uwsgi_stats *uwsgi_master_generate_stats() {
 		if (uwsgi_stats_keylong_comma(us, "signals", (unsigned long long) uwsgi.workers[i + 1].signals))
 			goto end;
 
-		if (ioctl(uwsgi.workers[i+1].signal_pipe[1], FIONREAD, &signal_queue)) {
+		if (ioctl(uwsgi.workers[i + 1].signal_pipe[1], FIONREAD, &signal_queue)) {
 			uwsgi_error("uwsgi_master_generate_stats() -> ioctl()\n");
 		}
 
 		if (uwsgi_stats_keylong_comma(us, "signal_queue", (unsigned long long) signal_queue))
 			goto end;
-/*
-		if (uwsgi_stats_keylong_comma(us, "static_offload_threads", (unsigned long long) uwsgi.workers[i + 1].static_offload_threads))
-			goto end;
-*/
 
 		if (uwsgi.workers[i + 1].cheaped) {
 			if (uwsgi_stats_keyval_comma(us, "status", "cheap"))
@@ -1028,34 +1031,43 @@ struct uwsgi_stats *uwsgi_master_generate_stats() {
 			goto end;
 
 		if (uwsgi_stats_comma(us))
-                        goto end;
+			goto end;
 
 		// cores list
 		if (uwsgi_stats_key(us, "cores"))
-                        goto end;
-                if (uwsgi_stats_list_open(us))
-                        goto end;
+			goto end;
+		if (uwsgi_stats_list_open(us))
+			goto end;
 
 		for (j = 0; j < uwsgi.cores; j++) {
 			struct uwsgi_core *uc = &uwsgi.workers[i + 1].cores[j];
 			if (uwsgi_stats_object_open(us))
-                                goto end;
+				goto end;
 			if (uwsgi_stats_keylong_comma(us, "id", (unsigned long long) j))
-                                goto end;
+				goto end;
 
 			if (uwsgi_stats_keylong_comma(us, "requests", (unsigned long long) uc->requests))
-                                goto end;
+				goto end;
+
+			if (uwsgi_stats_keylong_comma(us, "static_requests", (unsigned long long) uc->static_requests))
+				goto end;
+
+			if (uwsgi_stats_keylong_comma(us, "routed_requests", (unsigned long long) uc->routed_requests))
+				goto end;
+
+			if (uwsgi_stats_keylong_comma(us, "offloaded_requests", (unsigned long long) uc->offloaded_requests))
+				goto end;
 
 			if (uwsgi_stats_keylong(us, "in_request", (unsigned long long) uc->in_request))
-                                goto end;	
-			
+				goto end;
+
 
 			if (uwsgi_stats_object_close(us))
-                                goto end;
+				goto end;
 
-			if (j < uwsgi.cores-1) {
+			if (j < uwsgi.cores - 1) {
 				if (uwsgi_stats_comma(us))
-                                        goto end;
+					goto end;
 			}
 		}
 
@@ -1080,38 +1092,38 @@ struct uwsgi_stats *uwsgi_master_generate_stats() {
 		if (uwsgi_stats_comma(us))
 			goto end;
 		if (uwsgi_stats_key(us, "spoolers"))
-                        goto end;
-                if (uwsgi_stats_list_open(us))
-                        goto end;
-        	while (uspool) {
+			goto end;
+		if (uwsgi_stats_list_open(us))
+			goto end;
+		while (uspool) {
 			if (uwsgi_stats_object_open(us))
-                                goto end;
+				goto end;
 
 			if (uwsgi_stats_keyval_comma(us, "dir", uspool->dir))
-                                        goto end;
+				goto end;
 
 			if (uwsgi_stats_keylong_comma(us, "pid", (unsigned long long) uspool->pid))
-                                goto end;
-	
+				goto end;
+
 			if (uwsgi_stats_keylong_comma(us, "tasks", (unsigned long long) uspool->tasks))
-                                goto end;
+				goto end;
 
 			if (uwsgi_stats_keylong_comma(us, "respawns", (unsigned long long) uspool->respawned))
-                                goto end;
+				goto end;
 
 			if (uwsgi_stats_keylong(us, "running", (unsigned long long) uspool->running))
-                                goto end;
-			
+				goto end;
+
 			if (uwsgi_stats_object_close(us))
-                                goto end;
-                	uspool = uspool->next;
+				goto end;
+			uspool = uspool->next;
 			if (uspool) {
 				if (uwsgi_stats_comma(us))
-                                	goto end;
+					goto end;
 			}
-                }
+		}
 		if (uwsgi_stats_list_close(us))
-                        goto end;
+			goto end;
 	}
 #endif
 
@@ -1156,7 +1168,7 @@ void uwsgi_register_cheaper_algo(char *name, int (*func) (void)) {
 
 void trigger_harakiri(int i) {
 	int j;
-	uwsgi_log("*** HARAKIRI ON WORKER %d (pid: %d, try: %d) ***\n", i, uwsgi.workers[i].pid, uwsgi.workers[i].pending_harakiri+1);
+	uwsgi_log("*** HARAKIRI ON WORKER %d (pid: %d, try: %d) ***\n", i, uwsgi.workers[i].pid, uwsgi.workers[i].pending_harakiri + 1);
 	if (uwsgi.harakiri_verbose) {
 #ifdef __linux__
 		int proc_file;
@@ -1193,16 +1205,16 @@ void trigger_harakiri(int i) {
 	}
 
 	if (uwsgi.workers[i].pid > 0) {
-		 for (j = 0; j < uwsgi.gp_cnt; j++) {
-                        if (uwsgi.gp[j]->harakiri) {
-                                uwsgi.gp[j]->harakiri(i);
-                        }
-                }
-                for (j = 0; j < 256; j++) {
-                        if (uwsgi.p[j]->harakiri) {
-                                uwsgi.p[j]->harakiri(i);
-                        }
-                }
+		for (j = 0; j < uwsgi.gp_cnt; j++) {
+			if (uwsgi.gp[j]->harakiri) {
+				uwsgi.gp[j]->harakiri(i);
+			}
+		}
+		for (j = 0; j < 256; j++) {
+			if (uwsgi.p[j]->harakiri) {
+				uwsgi.p[j]->harakiri(i);
+			}
+		}
 
 		kill(uwsgi.workers[i].pid, SIGUSR2);
 		// allow SIGUSR2 to be delivered
@@ -1210,7 +1222,7 @@ void trigger_harakiri(int i) {
 		kill(uwsgi.workers[i].pid, SIGKILL);
 		if (!uwsgi.workers[i].pending_harakiri)
 			uwsgi.workers[i].harakiri_count++;
-			uwsgi.workers[i].pending_harakiri++;
+		uwsgi.workers[i].pending_harakiri++;
 	}
 	// to avoid races
 

core/mule.c

@@ -19,14 +19,14 @@ void mule_send_msg(int fd, char *message, size_t len) {
 
 	if (write(fd, message, len) != (ssize_t) len) {
 		if (errno == EAGAIN || errno == EWOULDBLOCK) {
-                        if (getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &so_bufsize, &so_bufsize_len)) {
-                                uwsgi_error("getsockopt()");
-                        }
-                        uwsgi_log("*** MULE MSG QUEUE IS FULL: buffer size %d bytes (you can tune it with --signal-bufsize) ***\n", so_bufsize);
-                }
-                else {
-                        uwsgi_error("mule_send_msg()");
-                }
+			if (getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &so_bufsize, &so_bufsize_len)) {
+				uwsgi_error("getsockopt()");
+			}
+			uwsgi_log("*** MULE MSG QUEUE IS FULL: buffer size %d bytes (you can tune it with --signal-bufsize) ***\n", so_bufsize);
+		}
+		else {
+			uwsgi_error("mule_send_msg()");
+		}
 	}
 }
 
@@ -34,54 +34,65 @@ void uwsgi_mule(int id) {
 
 	int i;
 
-	pid_t pid = uwsgi_fork(uwsgi.mules[id-1].name);
+	pid_t pid = uwsgi_fork(uwsgi.mules[id - 1].name);
 	if (pid == 0) {
 #ifdef __linux__
-                if (prctl(PR_SET_PDEATHSIG, SIGKILL, 0,0,0)) {
-                        uwsgi_error("prctl()");
-                }
+		if (prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0)) {
+			uwsgi_error("prctl()");
+		}
 #endif
+
+		signal(SIGALRM, SIG_IGN);
+                signal(SIGHUP, SIG_IGN);
+                signal(SIGINT, end_me);
+                signal(SIGTERM, end_me);
+                signal(SIGUSR1, SIG_IGN);
+                signal(SIGUSR2, SIG_IGN);
+                signal(SIGPIPE, SIG_IGN);
+                signal(SIGSTOP, SIG_IGN);
+                signal(SIGTSTP, SIG_IGN);
+
 		uwsgi.muleid = id;
 		// avoid race conditions
-		uwsgi.mules[id-1].id = id;
-		uwsgi.mules[id-1].pid = getpid();
+		uwsgi.mules[id - 1].id = id;
+		uwsgi.mules[id - 1].pid = getpid();
 
 		uwsgi_fixup_fds(0, id, NULL);
 
-		uwsgi.my_signal_socket = uwsgi.mules[id-1].signal_pipe[1];
+		uwsgi.my_signal_socket = uwsgi.mules[id - 1].signal_pipe[1];
 		uwsgi.signal_socket = uwsgi.shared->mule_signal_pipe[1];
 
 		uwsgi_close_all_sockets();
 
 		for (i = 0; i < 256; i++) {
-                	if (uwsgi.p[i]->master_fixup) {
-                		uwsgi.p[i]->master_fixup(1);
-                	}
-                }
+			if (uwsgi.p[i]->master_fixup) {
+				uwsgi.p[i]->master_fixup(1);
+			}
+		}
 
 		for (i = 0; i < 256; i++) {
-                        if (uwsgi.p[i]->post_fork) {
-                                uwsgi.p[i]->post_fork();
-                        }
-                }
+			if (uwsgi.p[i]->post_fork) {
+				uwsgi.p[i]->post_fork();
+			}
+		}
 
 
-		if (uwsgi.mules[id-1].patch) {
+		if (uwsgi.mules[id - 1].patch) {
 			for (i = 0; i < 256; i++) {
-                        	if (uwsgi.p[i]->mule) {
-                                	if (uwsgi.p[i]->mule(uwsgi.mules[id-1].patch) == 1) {
+				if (uwsgi.p[i]->mule) {
+					if (uwsgi.p[i]->mule(uwsgi.mules[id - 1].patch) == 1) {
 						// never here
-						break;
+						end_me(1);
 					}
 				}
-                        }
+			}
 		}
 
 		uwsgi_mule_handler();
 	}
 	else if (pid > 0) {
-		uwsgi.mules[id-1].id = id;
-		uwsgi.mules[id-1].pid = pid;
+		uwsgi.mules[id - 1].id = id;
+		uwsgi.mules[id - 1].pid = pid;
 		uwsgi_log("spawned uWSGI mule %d (pid: %d)\n", id, (int) pid);
 	}
 }
@@ -90,7 +101,7 @@ int uwsgi_farm_has_mule(struct uwsgi_farm *farm, int muleid) {
 
 	struct uwsgi_mule_farm *umf = farm->mules;
 
-	while(umf) {
+	while (umf) {
 		if (umf->mule->id == muleid) {
 			return 1;
 		}
@@ -103,54 +114,54 @@ int uwsgi_farm_has_mule(struct uwsgi_farm *farm, int muleid) {
 int farm_has_signaled(int fd) {
 
 	int i;
-	for(i=0;i<uwsgi.farms_cnt;i++) {
+	for (i = 0; i < uwsgi.farms_cnt; i++) {
 		struct uwsgi_mule_farm *umf = uwsgi.farms[i].mules;
-		while(umf) {
+		while (umf) {
 			if (umf->mule->id == uwsgi.muleid && uwsgi.farms[i].signal_pipe[1] == fd) {
 				return 1;
 			}
 			umf = umf->next;
 		}
 	}
-	
+
 	return 0;
 }
 
 int farm_has_msg(int fd) {
 
-        int i;
-        for(i=0;i<uwsgi.farms_cnt;i++) {
-                struct uwsgi_mule_farm *umf = uwsgi.farms[i].mules;
-                while(umf) {
-                        if (umf->mule->id == uwsgi.muleid && uwsgi.farms[i].queue_pipe[1] == fd) {
-                                return 1;
-                        }
-                        umf = umf->next;
-                }
-        }
+	int i;
+	for (i = 0; i < uwsgi.farms_cnt; i++) {
+		struct uwsgi_mule_farm *umf = uwsgi.farms[i].mules;
+		while (umf) {
+			if (umf->mule->id == uwsgi.muleid && uwsgi.farms[i].queue_pipe[1] == fd) {
+				return 1;
+			}
+			umf = umf->next;
+		}
+	}
 
-        return 0;
+	return 0;
 }
 
 
 void uwsgi_mule_add_farm_to_queue(int queue) {
 
 	int i;
-	for(i=0;i<uwsgi.farms_cnt;i++) {
+	for (i = 0; i < uwsgi.farms_cnt; i++) {
 		if (uwsgi_farm_has_mule(&uwsgi.farms[i], uwsgi.muleid)) {
-			event_queue_add_fd_read(queue, uwsgi.farms[i].signal_pipe[1]);	
-			event_queue_add_fd_read(queue, uwsgi.farms[i].queue_pipe[1]);	
+			event_queue_add_fd_read(queue, uwsgi.farms[i].signal_pipe[1]);
+			event_queue_add_fd_read(queue, uwsgi.farms[i].queue_pipe[1]);
 		}
 	}
 }
 
 void uwsgi_mule_handler() {
-	
+
 	ssize_t len;
 	uint8_t uwsgi_signal;
 	int rlen;
 	int interesting_fd;
-	
+
 	// this must be configurable
 	char message[65536];
 
@@ -158,12 +169,12 @@ void uwsgi_mule_handler() {
 
 	event_queue_add_fd_read(mule_queue, uwsgi.signal_socket);
 	event_queue_add_fd_read(mule_queue, uwsgi.my_signal_socket);
-	event_queue_add_fd_read(mule_queue, uwsgi.mules[uwsgi.muleid-1].queue_pipe[1]);
+	event_queue_add_fd_read(mule_queue, uwsgi.mules[uwsgi.muleid - 1].queue_pipe[1]);
 	event_queue_add_fd_read(mule_queue, uwsgi.shared->mule_queue_pipe[1]);
 
 	uwsgi_mule_add_farm_to_queue(mule_queue);
 
-	for(;;) {
+	for (;;) {
 		rlen = event_queue_wait(mule_queue, -1, &interesting_fd);
 		if (rlen <= 0) {
 			continue;
@@ -172,31 +183,31 @@ void uwsgi_mule_handler() {
 		if (interesting_fd == uwsgi.signal_socket || interesting_fd == uwsgi.my_signal_socket || farm_has_signaled(interesting_fd)) {
 			len = read(interesting_fd, &uwsgi_signal, 1);
 			if (len <= 0) {
-                		uwsgi_log_verbose("uWSGI mule %d braying: my master died, i will follow him...\n", uwsgi.muleid);
-                        	end_me(0);
-                	}
+				uwsgi_log_verbose("uWSGI mule %d braying: my master died, i will follow him...\n", uwsgi.muleid);
+				end_me(0);
+			}
 #ifdef UWSGI_DEBUG
 			uwsgi_log_verbose("master sent signal %d to mule %d\n", uwsgi_signal, uwsgi.muleid);
 #endif
 			if (uwsgi_signal_handler(uwsgi_signal)) {
-                		uwsgi_log_verbose("error managing signal %d on mule %d\n", uwsgi_signal, uwsgi.muleid);
-                	}
+				uwsgi_log_verbose("error managing signal %d on mule %d\n", uwsgi_signal, uwsgi.muleid);
+			}
 		}
-		else if (interesting_fd == uwsgi.mules[uwsgi.muleid-1].queue_pipe[1] || interesting_fd == uwsgi.shared->mule_queue_pipe[1] || farm_has_msg(interesting_fd)) {
+		else if (interesting_fd == uwsgi.mules[uwsgi.muleid - 1].queue_pipe[1] || interesting_fd == uwsgi.shared->mule_queue_pipe[1] || farm_has_msg(interesting_fd)) {
 			len = read(interesting_fd, message, 65536);
 			if (len < 0) {
 				uwsgi_error("read()");
-			}	
+			}
 			else {
-				int i,found = 0;
-				for(i=0;i<256;i++) {
-                                	if (uwsgi.p[i]->mule_msg) {
-                                        	if (uwsgi.p[i]->mule_msg(message, len)) {
+				int i, found = 0;
+				for (i = 0; i < 256; i++) {
+					if (uwsgi.p[i]->mule_msg) {
+						if (uwsgi.p[i]->mule_msg(message, len)) {
 							found = 1;
 							break;
 						}
 					}
-                                }
+				}
 				if (!found)
 					uwsgi_log("*** mule %d received a %d bytes message ***\n", uwsgi.muleid, len);
 			}
@@ -209,7 +220,7 @@ struct uwsgi_mule *get_mule_by_id(int id) {
 
 	int i;
 
-	for(i=0;i<uwsgi.mules_cnt;i++) {
+	for (i = 0; i < uwsgi.mules_cnt; i++) {
 		if (uwsgi.mules[i].id == id) {
 			return &uwsgi.mules[i];
 		}
@@ -220,229 +231,234 @@ struct uwsgi_mule *get_mule_by_id(int id) {
 
 struct uwsgi_farm *get_farm_by_name(char *name) {
 
-        int i;
+	int i;
 
-        for(i=0;i<uwsgi.farms_cnt;i++) {
-                if (!strcmp(uwsgi.farms[i].name, name)) {
-                        return &uwsgi.farms[i];
-                }
-        }
+	for (i = 0; i < uwsgi.farms_cnt; i++) {
+		if (!strcmp(uwsgi.farms[i].name, name)) {
+			return &uwsgi.farms[i];
+		}
+	}
 
-        return NULL;
+	return NULL;
 }
 
 
 struct uwsgi_mule_farm *uwsgi_mule_farm_new(struct uwsgi_mule_farm **umf, struct uwsgi_mule *um) {
 
-        struct uwsgi_mule_farm *uwsgi_mf = *umf, *old_umf;
+	struct uwsgi_mule_farm *uwsgi_mf = *umf, *old_umf;
 
-        if (!uwsgi_mf) {
-                *umf = uwsgi_malloc(sizeof(struct uwsgi_mule_farm));
-                uwsgi_mf = *umf;
-        }
-        else {
-                while(uwsgi_mf) {
-                        old_umf = uwsgi_mf;
+	if (!uwsgi_mf) {
+		*umf = uwsgi_malloc(sizeof(struct uwsgi_mule_farm));
+		uwsgi_mf = *umf;
+	}
+	else {
+		while (uwsgi_mf) {
+			old_umf = uwsgi_mf;
 			uwsgi_mf = uwsgi_mf->next;
-                }
+		}
 
-                uwsgi_mf = uwsgi_malloc(sizeof(struct uwsgi_mule_farm));
-                old_umf->next = uwsgi_mf;
-        }
+		uwsgi_mf = uwsgi_malloc(sizeof(struct uwsgi_mule_farm));
+		old_umf->next = uwsgi_mf;
+	}
 
-        uwsgi_mf->mule = um;
-        uwsgi_mf->next = NULL;
+	uwsgi_mf->mule = um;
+	uwsgi_mf->next = NULL;
 
-        return uwsgi_mf;
+	return uwsgi_mf;
 }
 
 ssize_t uwsgi_mule_get_msg(int manage_signals, int manage_farms, char *message, size_t buffer_size, int timeout) {
 
-        ssize_t len = 0;
-        struct pollfd *mulepoll;
-        int count = 4;
-        int farms_count = 0;
-        uint8_t uwsgi_signal;
-        int i;
+	ssize_t len = 0;
+	struct pollfd *mulepoll;
+	int count = 4;
+	int farms_count = 0;
+	uint8_t uwsgi_signal;
+	int i;
 
-	if (uwsgi.muleid == 0) return -1;
+	if (uwsgi.muleid == 0)
+		return -1;
 
-        if (manage_signals) count = 2;
+	if (manage_signals)
+		count = 2;
 
-        if (!manage_farms) goto next;
+	if (!manage_farms)
+		goto next;
 
-        for(i=0;i<uwsgi.farms_cnt;i++) {
-                if (uwsgi_farm_has_mule(&uwsgi.farms[i], uwsgi.muleid)) farms_count++;
-        }
+	for (i = 0; i < uwsgi.farms_cnt; i++) {
+		if (uwsgi_farm_has_mule(&uwsgi.farms[i], uwsgi.muleid))
+			farms_count++;
+	}
 next:
 
-        if (timeout > -1) timeout = timeout*1000;
+	if (timeout > -1)
+		timeout = timeout * 1000;
 
-        mulepoll = uwsgi_malloc(sizeof(struct pollfd) * (count+farms_count));
+	mulepoll = uwsgi_malloc(sizeof(struct pollfd) * (count + farms_count));
 
-        mulepoll[0].fd = uwsgi.mules[uwsgi.muleid-1].queue_pipe[1];
-        mulepoll[0].events = POLLIN;
-        mulepoll[1].fd = uwsgi.shared->mule_queue_pipe[1];
-        mulepoll[1].events = POLLIN;
-        if (count > 2) {
-                mulepoll[2].fd = uwsgi.signal_socket;
-                mulepoll[2].events = POLLIN;
-                mulepoll[3].fd = uwsgi.my_signal_socket;
-                mulepoll[3].events = POLLIN;
-        }
+	mulepoll[0].fd = uwsgi.mules[uwsgi.muleid - 1].queue_pipe[1];
+	mulepoll[0].events = POLLIN;
+	mulepoll[1].fd = uwsgi.shared->mule_queue_pipe[1];
+	mulepoll[1].events = POLLIN;
+	if (count > 2) {
+		mulepoll[2].fd = uwsgi.signal_socket;
+		mulepoll[2].events = POLLIN;
+		mulepoll[3].fd = uwsgi.my_signal_socket;
+		mulepoll[3].events = POLLIN;
+	}
 
 	if (farms_count > 0) {
 		int tmp_cnt = 0;
-        	for(i=0;i<uwsgi.farms_cnt;i++) {
+		for (i = 0; i < uwsgi.farms_cnt; i++) {
 			if (uwsgi_farm_has_mule(&uwsgi.farms[i], uwsgi.muleid)) {
-                		mulepoll[count+tmp_cnt].fd = uwsgi.farms[i].queue_pipe[1];
-                		mulepoll[count+tmp_cnt].events = POLLIN;
+				mulepoll[count + tmp_cnt].fd = uwsgi.farms[i].queue_pipe[1];
+				mulepoll[count + tmp_cnt].events = POLLIN;
 				tmp_cnt++;
 			}
-        	}
+		}
 	}
 
-        int ret = poll(mulepoll, count+farms_count, timeout);
-        if (ret <= 0) {
-                uwsgi_error("poll");
-        }
-        else {
-                if (mulepoll[0].revents & POLLIN) {
-                        len = read(uwsgi.mules[uwsgi.muleid-1].queue_pipe[1], message, buffer_size);
-                }
-                else if (mulepoll[1].revents & POLLIN) {
-                        len = read(uwsgi.shared->mule_queue_pipe[1], message, buffer_size);
-                }
-                else {
-                        if (count > 2) {
-                                int interesting_fd = -1;
-                                if (mulepoll[2].revents & POLLIN) {
-                                        interesting_fd = mulepoll[2].fd;
-                                }
-                                else if (mulepoll[3].revents & POLLIN) {
-                                        interesting_fd = mulepoll[3].fd;
-                                }
+	int ret = poll(mulepoll, count + farms_count, timeout);
+	if (ret <= 0) {
+		uwsgi_error("poll");
+	}
+	else {
+		if (mulepoll[0].revents & POLLIN) {
+			len = read(uwsgi.mules[uwsgi.muleid - 1].queue_pipe[1], message, buffer_size);
+		}
+		else if (mulepoll[1].revents & POLLIN) {
+			len = read(uwsgi.shared->mule_queue_pipe[1], message, buffer_size);
+		}
+		else {
+			if (count > 2) {
+				int interesting_fd = -1;
+				if (mulepoll[2].revents & POLLIN) {
+					interesting_fd = mulepoll[2].fd;
+				}
+				else if (mulepoll[3].revents & POLLIN) {
+					interesting_fd = mulepoll[3].fd;
+				}
 
-                                if (interesting_fd > -1) {
-                                        len = read(interesting_fd, &uwsgi_signal, 1);
-                                        if (len <= 0) {
-                                                uwsgi_log_verbose("uWSGI mule %d braying: my master died, i will follow him...\n", uwsgi.muleid);
-                                                end_me(0);
-                                        }
+				if (interesting_fd > -1) {
+					len = read(interesting_fd, &uwsgi_signal, 1);
+					if (len <= 0) {
+						uwsgi_log_verbose("uWSGI mule %d braying: my master died, i will follow him...\n", uwsgi.muleid);
+						end_me(0);
+					}
 #ifdef UWSGI_DEBUG
-                                        uwsgi_log_verbose("master sent signal %d to mule %d\n", uwsgi_signal, uwsgi.muleid);
+					uwsgi_log_verbose("master sent signal %d to mule %d\n", uwsgi_signal, uwsgi.muleid);
 #endif
-                                        if (uwsgi_signal_handler(uwsgi_signal)) {
-                                                uwsgi_log_verbose("error managing signal %d on mule %d\n", uwsgi_signal, uwsgi.mywid);
-                                        }
+					if (uwsgi_signal_handler(uwsgi_signal)) {
+						uwsgi_log_verbose("error managing signal %d on mule %d\n", uwsgi_signal, uwsgi.mywid);
+					}
 					// set the error condition
 					len = -1;
-                                        goto clear;
-                                }
-                        }
+					goto clear;
+				}
+			}
 
 			// read messages in the farm
-                        for(i=0;i<farms_count;i++) {
-                                if (mulepoll[count+i].revents & POLLIN) {
-                                        len = read(mulepoll[count+i].fd, message, buffer_size);
-                                        break;
-                                }
-                        }
-                }
-        }
+			for (i = 0; i < farms_count; i++) {
+				if (mulepoll[count + i].revents & POLLIN) {
+					len = read(mulepoll[count + i].fd, message, buffer_size);
+					break;
+				}
+			}
+		}
+	}
 
-        if (len < 0) {
-                uwsgi_error("read()");
-                goto clear;
-        }
+	if (len < 0) {
+		uwsgi_error("read()");
+		goto clear;
+	}
 
 clear:
-        free(mulepoll);
-        return len;
+	free(mulepoll);
+	return len;
 }
 
 
 void uwsgi_opt_add_mule(char *opt, char *value, void *foobar) {
 
 	uwsgi.mules_cnt++;
-        uwsgi_string_new_list(&uwsgi.mules_patches, value);
+	uwsgi_string_new_list(&uwsgi.mules_patches, value);
 }
 
 void uwsgi_opt_add_mules(char *opt, char *value, void *foobar) {
 	int i;
 
-	for(i=0;i<atoi(value);i++) {
-                        uwsgi.mules_cnt++;
-                        uwsgi_string_new_list(&uwsgi.mules_patches, NULL);
-                }
+	for (i = 0; i < atoi(value); i++) {
+		uwsgi.mules_cnt++;
+		uwsgi_string_new_list(&uwsgi.mules_patches, NULL);
+	}
 }
 
 void uwsgi_opt_add_farm(char *opt, char *value, void *foobar) {
 	uwsgi.farms_cnt++;
-                uwsgi_string_new_list(&uwsgi.farms_list, value);
+	uwsgi_string_new_list(&uwsgi.farms_list, value);
 
 }
 
 void uwsgi_setup_mules_and_farms() {
 	int i;
 	if (uwsgi.mules_cnt > 0) {
-                uwsgi.mules = (struct uwsgi_mule *) uwsgi_calloc_shared(sizeof(struct uwsgi_mule) * uwsgi.mules_cnt);
+		uwsgi.mules = (struct uwsgi_mule *) uwsgi_calloc_shared(sizeof(struct uwsgi_mule) * uwsgi.mules_cnt);
 
-                create_signal_pipe(uwsgi.shared->mule_signal_pipe);
-                create_signal_pipe(uwsgi.shared->mule_queue_pipe);
+		create_signal_pipe(uwsgi.shared->mule_signal_pipe);
+		create_signal_pipe(uwsgi.shared->mule_queue_pipe);
 
-                for (i = 0; i < uwsgi.mules_cnt; i++) {
-                        // create the socket pipe
-                        create_signal_pipe(uwsgi.mules[i].signal_pipe);
-                        create_signal_pipe(uwsgi.mules[i].queue_pipe);
+		for (i = 0; i < uwsgi.mules_cnt; i++) {
+			// create the socket pipe
+			create_signal_pipe(uwsgi.mules[i].signal_pipe);
+			create_signal_pipe(uwsgi.mules[i].queue_pipe);
 
-                        uwsgi.mules[i].id = i + 1;
+			uwsgi.mules[i].id = i + 1;
 
-                        snprintf(uwsgi.mules[i].name, 0xff, "uWSGI mule %d", i + 1);
-                }
-        }
+			snprintf(uwsgi.mules[i].name, 0xff, "uWSGI mule %d", i + 1);
+		}
+	}
 
-        if (uwsgi.farms_cnt > 0) {
-                uwsgi.farms = (struct uwsgi_farm *) uwsgi_calloc_shared(sizeof(struct uwsgi_farm) * uwsgi.farms_cnt);
+	if (uwsgi.farms_cnt > 0) {
+		uwsgi.farms = (struct uwsgi_farm *) uwsgi_calloc_shared(sizeof(struct uwsgi_farm) * uwsgi.farms_cnt);
 
-                struct uwsgi_string_list *farm_name = uwsgi.farms_list;
-                for (i = 0; i < uwsgi.farms_cnt; i++) {
+		struct uwsgi_string_list *farm_name = uwsgi.farms_list;
+		for (i = 0; i < uwsgi.farms_cnt; i++) {
 
-                        char *farm_value = uwsgi_str(farm_name->value);
+			char *farm_value = uwsgi_str(farm_name->value);
 
-                        char *mules_list = strchr(farm_value, ':');
-                        if (!mules_list) {
-                                uwsgi_log("invalid farm value (%s) must be in the form name:mule[,muleN].\n", farm_value);
-                                exit(1);
-                        }
+			char *mules_list = strchr(farm_value, ':');
+			if (!mules_list) {
+				uwsgi_log("invalid farm value (%s) must be in the form name:mule[,muleN].\n", farm_value);
+				exit(1);
+			}
 
-                        mules_list[0] = 0;
-                        mules_list++;
+			mules_list[0] = 0;
+			mules_list++;
 
-                        strncpy(uwsgi.farms[i].name, farm_value, 0xff);
+			strncpy(uwsgi.farms[i].name, farm_value, 0xff);
 
-                        // create the socket pipe
-                        create_signal_pipe(uwsgi.farms[i].signal_pipe);
-                        create_signal_pipe(uwsgi.farms[i].queue_pipe);
+			// create the socket pipe
+			create_signal_pipe(uwsgi.farms[i].signal_pipe);
+			create_signal_pipe(uwsgi.farms[i].queue_pipe);
 
-                        char *p = strtok(mules_list, ",");
-                        while (p != NULL) {
-                                struct uwsgi_mule *um = get_mule_by_id(atoi(p));
-                                if (!um) {
-                                        uwsgi_log("invalid mule id: %s\n", p);
-                                        exit(1);
-                                }
+			char *p = strtok(mules_list, ",");
+			while (p != NULL) {
+				struct uwsgi_mule *um = get_mule_by_id(atoi(p));
+				if (!um) {
+					uwsgi_log("invalid mule id: %s\n", p);
+					exit(1);
+				}
 
-                                uwsgi_mule_farm_new(&uwsgi.farms[i].mules, um);
+				uwsgi_mule_farm_new(&uwsgi.farms[i].mules, um);
 
-                                p = strtok(NULL, ",");
-                        }
-                        uwsgi_log("created farm %d name: %s mules:%s\n", i + 1, uwsgi.farms[i].name, strchr(farm_name->value, ':') + 1);
+				p = strtok(NULL, ",");
+			}
+			uwsgi_log("created farm %d name: %s mules:%s\n", i + 1, uwsgi.farms[i].name, strchr(farm_name->value, ':') + 1);
 
-                        farm_name = farm_name->next;
+			farm_name = farm_name->next;
 
-                }
+		}
 
-        }
+	}
 
 }

core/notify.c

@@ -16,7 +16,7 @@ void uwsgi_systemd_notify(char *message) {
 	iovec[1].iov_len = strlen(message);
 
 	iovec[2].iov_base = "\n";
-        iovec[2].iov_len = 1;
+	iovec[2].iov_len = 1;
 
 	msghdr->msg_iovlen = 3;
 
@@ -26,15 +26,15 @@ void uwsgi_systemd_notify(char *message) {
 void uwsgi_systemd_notify_ready(void) {
 
 	struct msghdr *msghdr = (struct msghdr *) uwsgi.notification_object;
-        struct iovec *iovec = msghdr->msg_iov;
+	struct iovec *iovec = msghdr->msg_iov;
 
-        iovec[0].iov_base = "STATUS=uWSGI is ready\nREADY=1\n";
-        iovec[0].iov_len = 30;
+	iovec[0].iov_base = "STATUS=uWSGI is ready\nREADY=1\n";
+	iovec[0].iov_len = 30;
 
 	msghdr->msg_iovlen = 1;
 
 	sendmsg(uwsgi.notification_fd, msghdr, 0);
-	
+
 }
 
 
@@ -54,20 +54,21 @@ void uwsgi_systemd_init(char *systemd_socket) {
 	memset(sd_sun, 0, sizeof(struct sockaddr_un));
 	sd_sun->sun_family = AF_UNIX;
 	strncpy(sd_sun->sun_path, systemd_socket, UMIN(len, sizeof(sd_sun->sun_path)));
-	if (sd_sun->sun_path[0] == '@') sd_sun->sun_path[0] = 0;
+	if (sd_sun->sun_path[0] == '@')
+		sd_sun->sun_path[0] = 0;
 
 	msghdr = uwsgi_malloc(sizeof(struct msghdr));
 	memset(msghdr, 0, sizeof(struct msghdr));
 
-	msghdr->msg_iov = uwsgi_malloc(sizeof(struct iovec)*3);
-	memset(msghdr->msg_iov, 0, sizeof(struct iovec)*3);
+	msghdr->msg_iov = uwsgi_malloc(sizeof(struct iovec) * 3);
+	memset(msghdr->msg_iov, 0, sizeof(struct iovec) * 3);
 
 	msghdr->msg_name = sd_sun;
-	msghdr->msg_namelen = sizeof(struct sockaddr_un) - (sizeof(sd_sun->sun_path)-len);
+	msghdr->msg_namelen = sizeof(struct sockaddr_un) - (sizeof(sd_sun->sun_path) - len);
 
 	uwsgi.notification_object = msghdr;
 
 	uwsgi.notify = uwsgi_systemd_notify;
 	uwsgi.notify_ready = uwsgi_systemd_notify_ready;
-	
+
 }

core/offload.c

@@ -0,0 +1,389 @@
+#include "uwsgi.h"
+
+/*
+
+	uWSGI offloading subsystem
+
+*/
+
+
+extern struct uwsgi_server uwsgi;
+
+#define uwsgi_offload_retry if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINPROGRESS) return 0;
+#define uwsgi_offload_0r_1w(x, y) if (event_queue_del_fd(ut->queue, x, event_queue_read())) return -1;\
+					if (event_queue_fd_read_to_write(ut->queue, y)) return -1;
+
+static int uwsgi_offload_net_transfer(struct uwsgi_thread *, struct uwsgi_offload_request *, int);
+static int uwsgi_offload_sendfile_transfer(struct uwsgi_thread *, struct uwsgi_offload_request *, int);
+
+static void uwsgi_offload_setup(struct uwsgi_offload_request *uor, struct wsgi_request *wsgi_req,
+	int (*func)(struct uwsgi_thread *, struct uwsgi_offload_request *, int)) {
+
+	wsgi_req->fd_closed = 1;
+	memset(uor, 0, sizeof(struct uwsgi_offload_request));
+	uor->s = wsgi_req->poll.fd;
+	uor->func = func;
+	// put socket in non-blocking mode
+	uwsgi_socket_nb(uor->s);
+	
+}
+
+static int uwsgi_offload_enqueue(struct wsgi_request *wsgi_req, struct uwsgi_offload_request *uor) {
+	struct uwsgi_core *uc = &uwsgi.workers[uwsgi.mywid].cores[wsgi_req->async_id];
+	uc->offloaded_requests++;
+	// round robin
+	if (uc->offload_rr >= uwsgi.offload_threads) {
+		uc->offload_rr = 0;
+	}
+	struct uwsgi_thread *ut = uwsgi.offload_thread[uc->offload_rr];
+	uc->offload_rr++;
+	if (write(ut->pipe[0], uor, sizeof(struct uwsgi_offload_request)) != sizeof(struct uwsgi_offload_request)) {
+		return -1;
+	}
+	return 0;
+}
+
+int uwsgi_offload_request_net_do(struct wsgi_request *wsgi_req, char *socket, struct uwsgi_buffer *ubuf) {
+
+	// fill offload request
+	struct uwsgi_offload_request uor;
+	uwsgi_offload_setup(&uor, wsgi_req, uwsgi_offload_net_transfer);
+
+	uor.fd = uwsgi_connect(socket, 0, 1);
+	if (uor.fd < 0) {
+		uwsgi_error("uwsgi_offload_request_net_do() -> connect()");
+		goto error;
+	}
+
+	uor.ubuf = ubuf;
+
+	if (uwsgi_offload_enqueue(wsgi_req, &uor)) {
+		goto error2;
+	}
+
+	return 0;
+
+error2:
+	close(uor.fd);
+error:
+	wsgi_req->fd_closed = 0;
+	return -1;
+}
+
+int uwsgi_offload_request_sendfile_do(struct wsgi_request *wsgi_req, char *filename, size_t len) {
+
+	// fill offload request
+	struct uwsgi_offload_request uor;
+	uwsgi_offload_setup(&uor, wsgi_req, uwsgi_offload_sendfile_transfer);
+
+	uor.fd = open(filename, O_RDONLY | O_NONBLOCK);
+	if (uor.fd < 0) {
+		uwsgi_error_open(filename);
+		goto error;
+	}
+
+	// make a fstat to get the file size
+	if (!len) {
+		struct stat st;
+		if (fstat(uor.fd, &st)) {
+			uwsgi_error("fstat()");
+			goto error2;
+		}
+		len = st.st_size;
+	}
+
+	uor.len = len;
+
+	if (uwsgi_offload_enqueue(wsgi_req, &uor)) {
+		goto error2;
+	}
+
+	return 0;
+
+error2:
+	close(uor.fd);
+error:
+	wsgi_req->fd_closed = 0;
+	return -1;
+}
+
+static void uwsgi_offload_close(struct uwsgi_thread *ut, struct uwsgi_offload_request *uor) {
+	// close the socket and the file descriptor
+	close(uor->s);
+	close(uor->fd);
+	// remove the structure from the linked list;
+	struct uwsgi_offload_request *prev = uor->prev;
+	struct uwsgi_offload_request *next = uor->next;
+
+	if (uor == ut->offload_requests_head) {
+		ut->offload_requests_head = next;
+	}
+
+	if (uor == ut->offload_requests_tail) {
+		ut->offload_requests_tail = prev;
+	}
+
+	if (prev) {
+		prev->next = next;
+	}
+
+	if (next) {
+		next->prev = prev;
+	}
+
+	if (uor->buf) {
+		free(uor->buf);
+	}
+
+	if (uor->ubuf) {
+		uwsgi_buffer_destroy(uor->ubuf);
+	}
+
+	free(uor);
+}
+
+static void uwsgi_offload_append(struct uwsgi_thread *ut, struct uwsgi_offload_request *uor) {
+
+	if (!ut->offload_requests_head) {
+		ut->offload_requests_head = uor;
+	}
+
+	if (ut->offload_requests_tail) {
+		ut->offload_requests_tail->next = uor;
+		uor->prev = ut->offload_requests_tail;
+	}
+
+	ut->offload_requests_tail = uor;
+}
+
+static struct uwsgi_offload_request *uwsgi_offload_get_by_fd(struct uwsgi_thread *ut, int s) {
+	struct uwsgi_offload_request *uor = ut->offload_requests_head;
+	while (uor) {
+		if (uor->s == s || uor->fd == s) {
+			return uor;
+		}
+		uor = uor->next;
+	}
+
+	return NULL;
+}
+
+static void uwsgi_offload_loop(struct uwsgi_thread *ut) {
+
+	int i;
+	void *events = event_queue_alloc(uwsgi.offload_threads_events);
+
+	for (;;) {
+		int nevents = event_queue_wait_multi(ut->queue, -1, events, uwsgi.offload_threads_events);
+		for (i = 0; i < nevents; i++) {
+			int interesting_fd = event_queue_interesting_fd(events, i);
+			if (interesting_fd == ut->pipe[1]) {
+				struct uwsgi_offload_request *uor = uwsgi_malloc(sizeof(struct uwsgi_offload_request));
+				ssize_t len = read(ut->pipe[1], uor, sizeof(struct uwsgi_offload_request));
+				if (len != sizeof(struct uwsgi_offload_request)) {
+					uwsgi_error("read()");
+					free(uor);
+					continue;
+				}
+				// start monitoring socket for write
+				if (uor->func(ut, uor, -1)) {
+					uwsgi_offload_close(ut, uor);
+					continue;
+				}
+				uwsgi_offload_append(ut, uor);
+				continue;
+			}
+
+			// get the task from the interesting fd
+			struct uwsgi_offload_request *uor = uwsgi_offload_get_by_fd(ut, interesting_fd);
+			if (!uor)
+				continue;
+			// run the hook
+			if (uor->func(ut, uor, interesting_fd)) {
+				uwsgi_offload_close(ut, uor);
+			}
+		}
+	}
+}
+
+struct uwsgi_thread *uwsgi_offload_thread_start() {
+	return uwsgi_thread_new(uwsgi_offload_loop);
+}
+
+/*
+
+the offload task starts after having acquired the file fd
+
+	uor->len -> the size of the file
+	uor->pos -> start writing from pos (default 0)
+
+	status: none
+
+*/
+
+static int uwsgi_offload_sendfile_transfer(struct uwsgi_thread *ut, struct uwsgi_offload_request *uor, int fd) {
+
+	if (fd == -1) {
+		if (event_queue_add_fd_write(ut->queue, uor->s)) return -1;
+		return 0;
+	}
+#if defined(__linux__) || defined(__sun__)
+	ssize_t len = sendfile(uor->s, uor->fd, &uor->pos, 128 * 1024);
+	if (len > 0) {
+        	uor->written += len;
+                if (uor->written >= uor->len) {
+			return -1;
+		}
+		return 0;
+	}
+        else if (len < 0) {
+		uwsgi_offload_retry
+                uwsgi_error("sendfile()");
+	}
+#elif defined(__FreeBSD__) || defined(__DragonFly__)
+	off_t sbytes = 0;
+	int ret = sendfile(uor->fd, uor->s, uor->pos, 0, NULL, &sbytes, 0);
+	// transfer finished
+	if (ret == -1) {
+		uor->pos += sbytes;
+		uwsgi_offload_retry
+                uwsgi_error("sendfile()");
+	}
+#elif defined(__APPLE__)
+	off_t len = 0;
+        int ret = sendfile(uor->fd, uor->s, uor->pos, &len, NULL, 0);
+        // transfer finished
+        if (ret == -1) {
+                uor->pos += len;
+                uwsgi_offload_retry
+                uwsgi_error("sendfile()");
+        }
+#endif
+	return -1;
+
+}
+
+/*
+the offload task starts soon after the call to connect()
+
+	status:
+		0 -> waiting for connection on fd
+		1 -> sending request to fd (write event)
+		2 -> start waiting for read on s and fd
+		3 -> write to s
+		4 -> write to fd
+*/
+static int uwsgi_offload_net_transfer(struct uwsgi_thread *ut, struct uwsgi_offload_request *uor, int fd) {
+	
+	ssize_t rlen;
+
+	// setup
+	if (fd == -1) {
+		event_queue_add_fd_write(ut->queue, uor->fd);
+		return 0;
+	}
+
+	switch(uor->status) {
+		// waiting for connection
+		case 0:
+			if (fd == uor->fd) {
+				uor->status = 1;
+				// ok try to send the request right now...
+				return uwsgi_offload_net_transfer(ut, uor, fd);
+			}
+			return -1;
+		// write event (or just connected)
+		case 1:
+			if (fd == uor->fd) {
+				rlen = write(uor->fd, uor->ubuf->buf + uor->written, uor->ubuf->pos-uor->written);	
+				if (rlen > 0) {
+					uor->written += rlen;
+					if (uor->written >= (size_t)uor->ubuf->pos) {
+						uor->status = 2;
+						if (event_queue_add_fd_read(ut->queue, uor->s)) return -1;
+						if (event_queue_fd_write_to_read(ut->queue, uor->fd)) return -1;
+					}
+					return 0;
+				}
+				else if (rlen < 0) {
+					uwsgi_offload_retry
+					uwsgi_error("uwsgi_offload_net_transfer() -> write()");
+				}
+			}	
+			return -1;
+		// read event from s or fd
+		case 2:
+			if (!uor->buf) {
+				uor->buf = uwsgi_malloc(4096);
+			}
+			if (fd == uor->fd) {
+				rlen = read(uor->fd, uor->buf, 4096);
+				if (rlen > 0) {
+					uor->to_write = rlen;
+					uor->pos = 0;
+					uwsgi_offload_0r_1w(uor->fd, uor->s)
+					uor->status = 3;
+					return 0;
+				}
+				if (rlen < 0) {
+					uwsgi_offload_retry
+					uwsgi_error("uwsgi_offload_net_transfer() -> read()/fd");
+				}
+			}
+			else if (fd == uor->s) {
+				rlen = read(uor->s, uor->buf, 4096);
+				if (rlen > 0) {
+					uor->to_write = rlen;
+					uor->pos = 0;
+					uwsgi_offload_0r_1w(uor->s, uor->fd)
+					uor->status = 4;
+					return 0;
+				}
+				if (rlen < 0) {
+					uwsgi_offload_retry
+					uwsgi_error("uwsgi_offload_net_transfer() -> read()/s");
+				}
+			}
+			return -1;
+		// write event on s
+		case 3:
+			rlen = write(uor->s, uor->buf + uor->pos, uor->to_write);
+			if (rlen > 0) {
+				uor->to_write -= rlen;
+				uor->pos += rlen;
+				if (uor->to_write == 0) {
+					if (event_queue_fd_write_to_read(ut->queue, uor->s)) return -1;
+					if (event_queue_add_fd_read(ut->queue, uor->fd)) return -1;
+					uor->status = 2;
+				}
+				return 0;
+			}
+			else if (rlen < 0) {
+				uwsgi_offload_retry
+				uwsgi_error("uwsgi_offload_net_transfer() -> write()/s");
+			}
+			return -1;
+		// write event on fd
+		case 4:
+			rlen = write(uor->fd, uor->buf + uor->pos, uor->to_write);
+			if (rlen > 0) {
+				uor->to_write -= rlen;
+				uor->pos += rlen;
+				if (uor->to_write == 0) {
+					if (event_queue_fd_write_to_read(ut->queue, uor->fd)) return -1;
+					if (event_queue_add_fd_read(ut->queue, uor->s)) return -1;
+					uor->status = 2;
+				}
+				return 0;
+			}
+			else if (rlen < 0) {
+				uwsgi_offload_retry
+				uwsgi_error("uwsgi_offload_net_transfer() -> write()/fd");
+			}
+			return -1;
+		default:
+			break;
+	}
+
+	return -1;
+}

core/plugins.c

@@ -9,12 +9,12 @@ static void uwsgi_plugin_parse_section(char *filename) {
 	if (buf) {
 		char *ctx = NULL;
 		char *p = strtok_r(buf, "\n", &ctx);
-		while(p) {
+		while (p) {
 			char *equal = strchr(p, '=');
 			if (equal) {
 				*equal = 0;
 				if (!strcmp(p, "requires")) {
-					uwsgi_load_plugin(-1, equal+1, NULL);
+					uwsgi_load_plugin(-1, equal + 1, NULL);
 				}
 			}
 			p = strtok_r(NULL, "\n", &ctx);
@@ -34,7 +34,7 @@ static int plugin_already_loaded(const char *plugin) {
 				uwsgi_log("%s plugin already available\n", plugin);
 #endif
 				return 1;
-			}	
+			}
 		}
 		if (uwsgi.p[i]->alias) {
 			if (!strcmp(plugin, uwsgi.p[i]->alias)) {
@@ -42,29 +42,29 @@ static int plugin_already_loaded(const char *plugin) {
 				uwsgi_log("%s plugin already available\n", plugin);
 #endif
 				return 1;
-			}	
+			}
 		}
 	}
 
-	for(i=0;i<uwsgi.gp_cnt;i++) {
+	for (i = 0; i < uwsgi.gp_cnt; i++) {
 
 		if (uwsgi.gp[i]->name) {
-                        if (!strcmp(plugin, uwsgi.gp[i]->name)) {
+			if (!strcmp(plugin, uwsgi.gp[i]->name)) {
 #ifdef UWSGI_DEBUG
-                                uwsgi_log("%s plugin already available\n", plugin);
+				uwsgi_log("%s plugin already available\n", plugin);
 #endif
-                                return 1;
-                        }       
-                }
-                if (uwsgi.gp[i]->alias) {
-                        if (!strcmp(plugin, uwsgi.gp[i]->alias)) {
+				return 1;
+			}
+		}
+		if (uwsgi.gp[i]->alias) {
+			if (!strcmp(plugin, uwsgi.gp[i]->alias)) {
 #ifdef UWSGI_DEBUG
-                                uwsgi_log("%s plugin already available\n", plugin);
+				uwsgi_log("%s plugin already available\n", plugin);
 #endif
-                                return 1;
-                        }
-                }
-        }
+				return 1;
+			}
+		}
+	}
 
 	return 0;
 }
@@ -87,7 +87,7 @@ void *uwsgi_load_plugin(int modifier, char *plugin, char *has_option) {
 	if (colon) {
 		colon[0] = 0;
 		modifier = atoi(plugin_name);
-		plugin_name = colon+1;
+		plugin_name = colon + 1;
 		colon[0] = ':';
 	}
 
@@ -106,7 +106,7 @@ void *uwsgi_load_plugin(int modifier, char *plugin, char *has_option) {
 		plugin_handle = dlopen(plugin_name, RTLD_NOW | RTLD_GLOBAL);
 		if (!plugin_handle) {
 			if (!has_option)
-				uwsgi_log( "%s\n", dlerror());
+				uwsgi_log("%s\n", dlerror());
 			goto end;
 		}
 		plugin_symbol_name_start = uwsgi_get_last_char(plugin_name, '/');
@@ -117,7 +117,7 @@ void *uwsgi_load_plugin(int modifier, char *plugin, char *has_option) {
 
 	// step dir, check for user-supplied plugins directory
 	struct uwsgi_string_list *pdir = uwsgi.plugins_dir;
-	while(pdir) {
+	while (pdir) {
 		plugin_filename = uwsgi_concat3(pdir->value, "/", plugin_name);
 #ifdef UWSGI_ELF
 		uwsgi_plugin_parse_section(plugin_filename);
@@ -145,13 +145,13 @@ void *uwsgi_load_plugin(int modifier, char *plugin, char *has_option) {
 	}
 
 success:
-        if (!plugin_handle) {
+	if (!plugin_handle) {
 		if (!has_option)
-                	uwsgi_log( "!!! UNABLE to load uWSGI plugin: %s !!!\n", dlerror());
-        }
-        else {
-		char *plugin_entry_symbol = uwsgi_concat2n(plugin_symbol_name_start, strlen(plugin_symbol_name_start)-3, "", 0);
-                up = dlsym(plugin_handle, plugin_entry_symbol);
+			uwsgi_log("!!! UNABLE to load uWSGI plugin: %s !!!\n", dlerror());
+	}
+	else {
+		char *plugin_entry_symbol = uwsgi_concat2n(plugin_symbol_name_start, strlen(plugin_symbol_name_start) - 3, "", 0);
+		up = dlsym(plugin_handle, plugin_entry_symbol);
 		if (!up) {
 			// is it a link ?
 			memset(linkpath_buf, 0, 1024);
@@ -159,7 +159,7 @@ success:
 			if ((linkpath_size = readlink(plugin_abs_path, linkpath_buf, 1023)) > 0) {
 				do {
 					linkpath_buf[linkpath_size] = '\0';
-					strncpy(linkpath, linkpath_buf, linkpath_size+1);
+					strncpy(linkpath, linkpath_buf, linkpath_size + 1);
 				} while ((linkpath_size = readlink(linkpath, linkpath_buf, 1023)) > 0);
 #ifdef UWSGI_DEBUG
 				uwsgi_log("%s\n", linkpath);
@@ -173,16 +173,16 @@ success:
 				else {
 					slash++;
 				}
-				plugin_entry_symbol = uwsgi_concat2n(slash, strlen(slash)-3, "",0);
+				plugin_entry_symbol = uwsgi_concat2n(slash, strlen(slash) - 3, "", 0);
 				up = dlsym(plugin_handle, plugin_entry_symbol);
 			}
 		}
-                if (up) {
+		if (up) {
 			if (!up->name) {
 				uwsgi_log("the loaded plugin (%s) has no .name attribute\n", plugin_name);
 				if (dlclose(plugin_handle)) {
-                                	uwsgi_error("dlclose()");
-                                }
+					uwsgi_error("dlclose()");
+				}
 				if (need_free)
 					free(plugin_name);
 				if (plugin_filename)
@@ -192,8 +192,8 @@ success:
 			}
 			if (plugin_already_loaded(up->name)) {
 				if (dlclose(plugin_handle)) {
-                                	uwsgi_error("dlclose()");
-                                }
+					uwsgi_error("dlclose()");
+				}
 				if (need_free)
 					free(plugin_name);
 				if (plugin_filename)
@@ -208,8 +208,8 @@ success:
 					if (!strcmp(has_option, op->name)) {
 						found = 1;
 						break;
-					}	
-                			op++;
+					}
+					op++;
 				}
 				if (!found) {
 					if (dlclose(plugin_handle)) {
@@ -222,14 +222,14 @@ success:
 					free(plugin_entry_symbol);
 					return NULL;
 				}
-				
+
 			}
 			if (modifier != -1) {
-				fill_plugin_table(modifier, up);			
+				fill_plugin_table(modifier, up);
 				up->modifier1 = modifier;
 			}
 			else {
-				fill_plugin_table(up->modifier1, up);			
+				fill_plugin_table(up->modifier1, up);
 			}
 			if (need_free)
 				free(plugin_name);
@@ -240,10 +240,10 @@ success:
 			if (up->on_load)
 				up->on_load();
 			return plugin_handle;
-                }
+		}
 		if (!has_option)
-                	uwsgi_log( "%s\n", dlerror());
-        }
+			uwsgi_log("%s\n", dlerror());
+	}
 
 end:
 	if (need_free)
@@ -258,14 +258,14 @@ int uwsgi_try_autoload(char *option) {
 	DIR *d;
 	struct dirent *dp;
 	// step dir, check for user-supplied plugins directory
-        struct uwsgi_string_list *pdir = uwsgi.plugins_dir;
-        while(pdir) {
+	struct uwsgi_string_list *pdir = uwsgi.plugins_dir;
+	while (pdir) {
 		d = opendir(pdir->value);
 		if (d) {
 			while ((dp = readdir(d)) != NULL) {
 				if (uwsgi_endswith(dp->d_name, "_plugin.so")) {
 					char *filename = uwsgi_concat3(pdir->value, "/", dp->d_name);
-					if (uwsgi_load_plugin(-1, filename, option)) {	
+					if (uwsgi_load_plugin(-1, filename, option)) {
 						uwsgi_log("option \"%s\" found in plugin %s\n", option, filename);
 						free(filename);
 						closedir(d);
@@ -278,27 +278,28 @@ int uwsgi_try_autoload(char *option) {
 			}
 			closedir(d);
 		}
-                pdir = pdir->next;
-        }
+		pdir = pdir->next;
+	}
 
-        // last step: search in compile-time plugin_dir
+	// last step: search in compile-time plugin_dir
 	d = opendir(UWSGI_PLUGIN_DIR);
-	if (!d) return 0;
+	if (!d)
+		return 0;
 
-	while((dp = readdir(d)) != NULL) {
+	while ((dp = readdir(d)) != NULL) {
 		if (uwsgi_endswith(dp->d_name, "_plugin.so")) {
-				char *filename = uwsgi_concat3(UWSGI_PLUGIN_DIR, "/", dp->d_name);
-				if (uwsgi_load_plugin(-1, filename, option)) {
-					uwsgi_log("option \"%s\" found in plugin %s\n", option, filename);
-					free(filename);
-					closedir(d);
-					// add new options
-					build_options();
-					return 1;
-				}
+			char *filename = uwsgi_concat3(UWSGI_PLUGIN_DIR, "/", dp->d_name);
+			if (uwsgi_load_plugin(-1, filename, option)) {
+				uwsgi_log("option \"%s\" found in plugin %s\n", option, filename);
 				free(filename);
+				closedir(d);
+				// add new options
+				build_options();
+				return 1;
+			}
+			free(filename);
 		}
-        }
+	}
 
 	closedir(d);
 

core/queue.c

@@ -4,132 +4,136 @@ extern struct uwsgi_server uwsgi;
 
 void uwsgi_init_queue() {
 	if (!uwsgi.queue_blocksize)
-                        uwsgi.queue_blocksize = 8192;
+		uwsgi.queue_blocksize = 8192;
 
-                if ((uwsgi.queue_blocksize * uwsgi.queue_size) % uwsgi.page_size != 0) {
-                        uwsgi_log("invalid queue size/blocksize %llu: must be a multiple of memory page size (%d bytes)\n", (unsigned long long) uwsgi.queue_blocksize, uwsgi.page_size);
-                        exit(1);
-                }
+	if ((uwsgi.queue_blocksize * uwsgi.queue_size) % uwsgi.page_size != 0) {
+		uwsgi_log("invalid queue size/blocksize %llu: must be a multiple of memory page size (%d bytes)\n", (unsigned long long) uwsgi.queue_blocksize, uwsgi.page_size);
+		exit(1);
+	}
 
 
 
-                if (uwsgi.queue_store) {
-                        uwsgi.queue_filesize = uwsgi.queue_blocksize * uwsgi.queue_size + 16;
-                        int queue_fd;
-                        struct stat qst;
+	if (uwsgi.queue_store) {
+		uwsgi.queue_filesize = uwsgi.queue_blocksize * uwsgi.queue_size + 16;
+		int queue_fd;
+		struct stat qst;
 
-                        if (stat(uwsgi.queue_store, &qst)) {
-                                uwsgi_log("creating a new queue store file: %s\n", uwsgi.queue_store);
-                                queue_fd = open(uwsgi.queue_store, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
-                                if (queue_fd >= 0) {
-                                        // fill the queue store
-                                        if (ftruncate(queue_fd, uwsgi.queue_filesize)) {
-                                                uwsgi_log("ftruncate()");
-                                                exit(1);
-                                        }
-                                }
-                        }
-                        else {
-                                if ((size_t) qst.st_size != uwsgi.queue_filesize || !S_ISREG(qst.st_mode)) {
-                                        uwsgi_log("invalid queue store file. Please remove it or fix queue blocksize/items to match its size\n");
-                                        exit(1);
-                                }
-                                queue_fd = open(uwsgi.queue_store, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
-                                uwsgi_log("recovered queue from backing store file: %s\n", uwsgi.queue_store);
-                        }
+		if (stat(uwsgi.queue_store, &qst)) {
+			uwsgi_log("creating a new queue store file: %s\n", uwsgi.queue_store);
+			queue_fd = open(uwsgi.queue_store, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
+			if (queue_fd >= 0) {
+				// fill the queue store
+				if (ftruncate(queue_fd, uwsgi.queue_filesize)) {
+					uwsgi_log("ftruncate()");
+					exit(1);
+				}
+			}
+		}
+		else {
+			if ((size_t) qst.st_size != uwsgi.queue_filesize || !S_ISREG(qst.st_mode)) {
+				uwsgi_log("invalid queue store file. Please remove it or fix queue blocksize/items to match its size\n");
+				exit(1);
+			}
+			queue_fd = open(uwsgi.queue_store, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
+			uwsgi_log("recovered queue from backing store file: %s\n", uwsgi.queue_store);
+		}
 
-                        if (queue_fd < 0) {
-                                uwsgi_error_open(uwsgi.queue_store);
-                                exit(1);
-                        }
-                        uwsgi.queue = mmap(NULL, uwsgi.queue_filesize, PROT_READ | PROT_WRITE, MAP_SHARED, queue_fd, 0);
+		if (queue_fd < 0) {
+			uwsgi_error_open(uwsgi.queue_store);
+			exit(1);
+		}
+		uwsgi.queue = mmap(NULL, uwsgi.queue_filesize, PROT_READ | PROT_WRITE, MAP_SHARED, queue_fd, 0);
 
-			// fix header
-			uwsgi.queue_header = uwsgi.queue;
-			uwsgi.queue+=16;
-                }
-                else {
-                        uwsgi.queue = mmap(NULL, (uwsgi.queue_blocksize * uwsgi.queue_size)+16, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
-			// fix header
-			uwsgi.queue_header = uwsgi.queue;
-			uwsgi.queue+=16;
-                	uwsgi.queue_header->pos = 0;
-                	uwsgi.queue_header->pull_pos = 0;
-                }
-                if (!uwsgi.queue) {
-                        uwsgi_error("mmap()");
-                        exit(1);
-                }
+		// fix header
+		uwsgi.queue_header = uwsgi.queue;
+		uwsgi.queue += 16;
+	}
+	else {
+		uwsgi.queue = mmap(NULL, (uwsgi.queue_blocksize * uwsgi.queue_size) + 16, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
+		// fix header
+		uwsgi.queue_header = uwsgi.queue;
+		uwsgi.queue += 16;
+		uwsgi.queue_header->pos = 0;
+		uwsgi.queue_header->pull_pos = 0;
+	}
+	if (!uwsgi.queue) {
+		uwsgi_error("mmap()");
+		exit(1);
+	}
 
 
 
-                uwsgi.queue_lock = uwsgi_rwlock_init("queue");
+	uwsgi.queue_lock = uwsgi_rwlock_init("queue");
 
-                uwsgi_log("*** Queue subsystem initialized: %dMB preallocated ***\n", (uwsgi.queue_blocksize * uwsgi.queue_size) / (1024 * 1024));
+	uwsgi_log("*** Queue subsystem initialized: %dMB preallocated ***\n", (uwsgi.queue_blocksize * uwsgi.queue_size) / (1024 * 1024));
 }
 
-char *uwsgi_queue_get(uint64_t index, uint64_t *size) {
+char *uwsgi_queue_get(uint64_t index, uint64_t * size) {
 
 	struct uwsgi_queue_item *uqi;
 	char *ptr = (char *) uwsgi.queue;
 
-	if (index >= uwsgi.queue_size) return NULL;
+	if (index >= uwsgi.queue_size)
+		return NULL;
 
-	ptr = ptr + (uwsgi.queue_blocksize*index);
+	ptr = ptr + (uwsgi.queue_blocksize * index);
 
 	uqi = (struct uwsgi_queue_item *) ptr;
-	
+
 	*size = uqi->size;
 
 	return ptr + sizeof(struct uwsgi_queue_item);
-	
+
 }
 
 
-char *uwsgi_queue_pop(uint64_t *size) {
+char *uwsgi_queue_pop(uint64_t * size) {
 
-        struct uwsgi_queue_item *uqi;
-        char *ptr = (char *) uwsgi.queue;
+	struct uwsgi_queue_item *uqi;
+	char *ptr = (char *) uwsgi.queue;
 
 	if (uwsgi.queue_header->pos == 0) {
-		uwsgi.queue_header->pos = uwsgi.queue_size-1;
+		uwsgi.queue_header->pos = uwsgi.queue_size - 1;
 	}
 	else {
 		uwsgi.queue_header->pos--;
 	}
 
-        ptr = ptr + (uwsgi.queue_blocksize*uwsgi.queue_header->pos);
-        uqi = (struct uwsgi_queue_item *) ptr;
+	ptr = ptr + (uwsgi.queue_blocksize * uwsgi.queue_header->pos);
+	uqi = (struct uwsgi_queue_item *) ptr;
 
-        if (!uqi->size) return NULL;
+	if (!uqi->size)
+		return NULL;
 
-        *size = uqi->size;
+	*size = uqi->size;
 	// remove item
 	uqi->size = 0;
 
-        return ptr + sizeof(struct uwsgi_queue_item);
+	return ptr + sizeof(struct uwsgi_queue_item);
 }
 
 
-char *uwsgi_queue_pull(uint64_t *size) {
+char *uwsgi_queue_pull(uint64_t * size) {
 
 	struct uwsgi_queue_item *uqi;
-	char *ptr = (char *) uwsgi.queue;	
+	char *ptr = (char *) uwsgi.queue;
 
-	ptr = ptr + (uwsgi.queue_blocksize*uwsgi.queue_header->pull_pos);
+	ptr = ptr + (uwsgi.queue_blocksize * uwsgi.queue_header->pull_pos);
 	uqi = (struct uwsgi_queue_item *) ptr;
 
-	if (!uqi->size) return NULL;
+	if (!uqi->size)
+		return NULL;
 
 	*size = uqi->size;
 
 	uwsgi.queue_header->pull_pos++;
 
-	if (uwsgi.queue_header->pull_pos >= uwsgi.queue_size) uwsgi.queue_header->pull_pos = 0;
+	if (uwsgi.queue_header->pull_pos >= uwsgi.queue_size)
+		uwsgi.queue_header->pull_pos = 0;
 
 	// remove item
 	uqi->size = 0;
-	
+
 	return ptr + sizeof(struct uwsgi_queue_item);
 
 }
@@ -142,9 +146,10 @@ int uwsgi_queue_push(char *message, uint64_t size) {
 	if (size > uwsgi.queue_blocksize + sizeof(struct uwsgi_queue_item))
 		return 0;
 
-	if (!size) return 0;
+	if (!size)
+		return 0;
 
-	ptr = ptr + (uwsgi.queue_blocksize*uwsgi.queue_header->pos);
+	ptr = ptr + (uwsgi.queue_blocksize * uwsgi.queue_header->pos);
 	uqi = (struct uwsgi_queue_item *) ptr;
 
 	ptr += sizeof(struct uwsgi_queue_item);
@@ -154,33 +159,35 @@ int uwsgi_queue_push(char *message, uint64_t size) {
 	memcpy(ptr, message, size);
 
 	uwsgi.queue_header->pos++;
-	
-	if (uwsgi.queue_header->pos >= uwsgi.queue_size) uwsgi.queue_header->pos = 0;
+
+	if (uwsgi.queue_header->pos >= uwsgi.queue_size)
+		uwsgi.queue_header->pos = 0;
 
 	return 1;
 }
 
 int uwsgi_queue_set(uint64_t pos, char *message, uint64_t size) {
 
-        struct uwsgi_queue_item *uqi;
-        char *ptr = (char *) uwsgi.queue;
+	struct uwsgi_queue_item *uqi;
+	char *ptr = (char *) uwsgi.queue;
 
-        if (size > uwsgi.queue_blocksize + sizeof(struct uwsgi_queue_item))
-                return 0;
+	if (size > uwsgi.queue_blocksize + sizeof(struct uwsgi_queue_item))
+		return 0;
 
-        if (!size) return 0;
+	if (!size)
+		return 0;
 
-	if (pos >= uwsgi.queue_size) return 0;
+	if (pos >= uwsgi.queue_size)
+		return 0;
 
-        ptr = ptr + (uwsgi.queue_blocksize*pos);
-        uqi = (struct uwsgi_queue_item *) ptr;
+	ptr = ptr + (uwsgi.queue_blocksize * pos);
+	uqi = (struct uwsgi_queue_item *) ptr;
 
-        ptr += sizeof(struct uwsgi_queue_item);
+	ptr += sizeof(struct uwsgi_queue_item);
 
-        uqi->size = size;
-        uqi->ts = uwsgi_now();
-        memcpy(ptr, message, size);
+	uqi->size = size;
+	uqi->ts = uwsgi_now();
+	memcpy(ptr, message, size);
 
-        return 1;
+	return 1;
 }
-

core/rb_timers.c

@@ -1,64 +1,367 @@
 /*
 
-uWSGI timers implementation
+        uWSGI rbtree implementation based on nginx
 
-based on Linux hrtimers and nginx timeout management.
-
-rbtree with allowed duplicate keys is used
+        Copyright (C) Igor Sysoev
+        Copyright (C) Nginx, Inc.
+        Copyright (C) Unbit S.a.s.
 
+        The red-black tree code is based on the algorithm described in
+        the "Introduction to Algorithms" by Cormen, Leiserson and Rivest.
 */
 
-#include "uwsgi.h"
+#include <uwsgi.h>
 
-struct rb_root *uwsgi_init_rb_timer() {
+#define uwsgi_rbt_red(node)               ((node)->color = 1)
+#define uwsgi_rbt_black(node)             ((node)->color = 0)
+#define uwsgi_rbt_is_red(node)            ((node)->color)
+#define uwsgi_rbt_is_black(node)          (!uwsgi_rbt_is_red(node))
+#define uwsgi_rbt_copy_color(n1, n2)      (n1->color = n2->color)
 
-	struct rb_root *u_rb_root = uwsgi_malloc(sizeof(struct rb_root));
 
-	u_rb_root->rb_node = NULL;
+struct uwsgi_rbtree *uwsgi_init_rb_timer() {
 
-	return u_rb_root;
+	struct uwsgi_rbtree *tree = uwsgi_calloc(sizeof(struct uwsgi_rbtree));
+	struct uwsgi_rb_timer *sentinel = uwsgi_calloc(sizeof(struct uwsgi_rb_timer));
+	// no need to set it black, calloc already did it
+	//uwsgi_rbt_black(sentinel);
+	tree->root = sentinel;
+	tree->sentinel = sentinel;
+
+	return tree;
 }
 
-struct uwsgi_rb_timer *uwsgi_min_rb_timer(struct rb_root *root) {
+struct uwsgi_rb_timer *uwsgi_min_rb_timer(struct uwsgi_rbtree *tree, struct uwsgi_rb_timer *node) {
 
-	struct rb_node *node = root->rb_node;
+	if (!node)
+		node = tree->root;
+	struct uwsgi_rb_timer *sentinel = tree->sentinel;
 
-	if (node == NULL) return NULL; 
+	if (tree->root == sentinel) return NULL;
 
-	while(node->rb_left != NULL) {
-		node = node->rb_left;
+	while (node->left != sentinel) {
+		node = node->left;
 	}
 
-	return ((struct uwsgi_rb_timer *) node);
+	return node;
 }
 
-struct uwsgi_rb_timer *uwsgi_add_rb_timer(struct rb_root *root, time_t key, void *data) {
+static void uwsgi_rbtree_lr(struct uwsgi_rb_timer **root, struct uwsgi_rb_timer *sentinel, struct uwsgi_rb_timer *node) {
 
-	struct uwsgi_rb_timer *urbt = uwsgi_malloc(sizeof(struct uwsgi_rb_timer));
-	struct rb_node **p = &root->rb_node, *parent = NULL;
-	struct uwsgi_rb_timer *current_rb_timer;
+	struct uwsgi_rb_timer *temp;
 
-	memset(urbt, 0, sizeof(struct uwsgi_rb_timer));
+	temp = node->right;
+	node->right = temp->left;
 
-	urbt->key = key;
-	urbt->data = data;
+	if (temp->left != sentinel) {
+		temp->left->parent = node;
+	}
 
-	while(*p) {
-		parent = *p;
+	temp->parent = node->parent;
 
-		current_rb_timer = (struct uwsgi_rb_timer *) parent;
+	if (node == *root) {
+		*root = temp;
+
+	}
+	else if (node == node->parent->left) {
+		node->parent->left = temp;
+
+	}
+	else {
+		node->parent->right = temp;
+	}
+
+	temp->left = node;
+	node->parent = temp;
+}
+
+
+static void uwsgi_rbtree_rr(struct uwsgi_rb_timer **root, struct uwsgi_rb_timer *sentinel, struct uwsgi_rb_timer *node) {
+
+	struct uwsgi_rb_timer *temp;
+
+	temp = node->left;
+	node->left = temp->right;
+
+	if (temp->right != sentinel) {
+		temp->right->parent = node;
+	}
+
+	temp->parent = node->parent;
+
+	if (node == *root) {
+		*root = temp;
+
+	}
+	else if (node == node->parent->right) {
+		node->parent->right = temp;
+
+	}
+	else {
+		node->parent->left = temp;
+	}
+
+	temp->right = node;
+	node->parent = temp;
+}
+
+
+static void uwsgi_rbt_add(struct uwsgi_rb_timer *temp, struct uwsgi_rb_timer *node, struct uwsgi_rb_timer *sentinel) {
+        struct uwsgi_rb_timer **p;
+
+        for (;;) {
+
+                p = (node->value < temp->value) ? &temp->left : &temp->right;
+                if (*p == sentinel)
+                        break;
+                temp = *p;
+        }
+
+        *p = node;
+        node->parent = temp;
+        node->left = sentinel;
+        node->right = sentinel;
+        uwsgi_rbt_red(node);
+}
+
+
+struct uwsgi_rb_timer *uwsgi_add_rb_timer(struct uwsgi_rbtree *tree, uint64_t value, void *data) {
+
+	struct uwsgi_rb_timer *node = uwsgi_malloc(sizeof(struct uwsgi_rb_timer));
+	struct uwsgi_rb_timer *new_node = node;
+	node->value = value;
+	node->data = data;
+
+	struct uwsgi_rb_timer *temp = NULL;
+
+	/* a binary tree insert */
+
+	struct uwsgi_rb_timer **root = &tree->root;
+	struct uwsgi_rb_timer *sentinel = tree->sentinel;
+
+	if (*root == sentinel) {
+		node->parent = NULL;
+		node->left = sentinel;
+		node->right = sentinel;
+		uwsgi_rbt_black(node);
+		*root = node;
+		return new_node;
+	}
+
+	uwsgi_rbt_add(*root, node, sentinel);
+
+	/* re-balance tree */
+
+	while (node != *root && uwsgi_rbt_is_red(node->parent)) {
+
+		if (node->parent == node->parent->parent->left) {
+			temp = node->parent->parent->right;
+
+			if (uwsgi_rbt_is_red(temp)) {
+				uwsgi_rbt_black(node->parent);
+				uwsgi_rbt_black(temp);
+				uwsgi_rbt_red(node->parent->parent);
+				node = node->parent->parent;
+
+			}
+			else {
+				if (node == node->parent->right) {
+					node = node->parent;
+					uwsgi_rbtree_lr(root, sentinel, node);
+				}
+
+				uwsgi_rbt_black(node->parent);
+				uwsgi_rbt_red(node->parent->parent);
+				uwsgi_rbtree_rr(root, sentinel, node->parent->parent);
+			}
 
-		if (key <= current_rb_timer->key) {
-			p = &(*p)->rb_left;
 		}
 		else {
-			p = &(*p)->rb_right;
+			temp = node->parent->parent->left;
+
+			if (uwsgi_rbt_is_red(temp)) {
+				uwsgi_rbt_black(node->parent);
+				uwsgi_rbt_black(temp);
+				uwsgi_rbt_red(node->parent->parent);
+				node = node->parent->parent;
+
+			}
+			else {
+				if (node == node->parent->left) {
+					node = node->parent;
+					uwsgi_rbtree_rr(root, sentinel, node);
+				}
+
+				uwsgi_rbt_black(node->parent);
+				uwsgi_rbt_red(node->parent->parent);
+				uwsgi_rbtree_lr(root, sentinel, node->parent->parent);
+			}
 		}
 	}
 
-	rb_link_node((struct rb_node *) urbt, parent, p);
+	uwsgi_rbt_black(*root);
 
-	rb_insert_color((struct rb_node *) urbt, root);
+	return new_node;
+}
 
-	return urbt;
+void uwsgi_del_rb_timer(struct uwsgi_rbtree *tree, struct uwsgi_rb_timer *node) {
+	uint8_t red;
+	struct uwsgi_rb_timer **root, *sentinel, *subst, *temp, *w;
+
+	/* a binary tree delete */
+
+	root = &tree->root;
+	sentinel = tree->sentinel;
+
+	if (node->left == sentinel) {
+		temp = node->right;
+		subst = node;
+
+	}
+	else if (node->right == sentinel) {
+		temp = node->left;
+		subst = node;
+
+	}
+	else {
+		subst = uwsgi_min_rb_timer(tree, node->right);
+
+		if (subst->left != sentinel) {
+			temp = subst->left;
+		}
+		else {
+			temp = subst->right;
+		}
+	}
+
+	if (subst == *root) {
+		*root = temp;
+		uwsgi_rbt_black(temp);
+		return;
+	}
+
+	red = uwsgi_rbt_is_red(subst);
+
+	if (subst == subst->parent->left) {
+		subst->parent->left = temp;
+
+	}
+	else {
+		subst->parent->right = temp;
+	}
+
+	if (subst == node) {
+
+		temp->parent = subst->parent;
+
+	}
+	else {
+
+		if (subst->parent == node) {
+			temp->parent = subst;
+
+		}
+		else {
+			temp->parent = subst->parent;
+		}
+
+		subst->left = node->left;
+		subst->right = node->right;
+		subst->parent = node->parent;
+		uwsgi_rbt_copy_color(subst, node);
+
+		if (node == *root) {
+			*root = subst;
+
+		}
+		else {
+			if (node == node->parent->left) {
+				node->parent->left = subst;
+			}
+			else {
+				node->parent->right = subst;
+			}
+		}
+
+		if (subst->left != sentinel) {
+			subst->left->parent = subst;
+		}
+
+		if (subst->right != sentinel) {
+			subst->right->parent = subst;
+		}
+	}
+
+	if (red) {
+		return;
+	}
+
+	/* a delete fixup */
+
+	while (temp != *root && uwsgi_rbt_is_black(temp)) {
+
+		if (temp == temp->parent->left) {
+			w = temp->parent->right;
+
+			if (uwsgi_rbt_is_red(w)) {
+				uwsgi_rbt_black(w);
+				uwsgi_rbt_red(temp->parent);
+				uwsgi_rbtree_lr(root, sentinel, temp->parent);
+				w = temp->parent->right;
+			}
+
+			if (uwsgi_rbt_is_black(w->left) && uwsgi_rbt_is_black(w->right)) {
+				uwsgi_rbt_red(w);
+				temp = temp->parent;
+
+			}
+			else {
+				if (uwsgi_rbt_is_black(w->right)) {
+					uwsgi_rbt_black(w->left);
+					uwsgi_rbt_red(w);
+					uwsgi_rbtree_rr(root, sentinel, w);
+					w = temp->parent->right;
+				}
+
+				uwsgi_rbt_copy_color(w, temp->parent);
+				uwsgi_rbt_black(temp->parent);
+				uwsgi_rbt_black(w->right);
+				uwsgi_rbtree_lr(root, sentinel, temp->parent);
+				temp = *root;
+			}
+
+		}
+		else {
+			w = temp->parent->left;
+
+			if (uwsgi_rbt_is_red(w)) {
+				uwsgi_rbt_black(w);
+				uwsgi_rbt_red(temp->parent);
+				uwsgi_rbtree_rr(root, sentinel, temp->parent);
+				w = temp->parent->left;
+			}
+
+			if (uwsgi_rbt_is_black(w->left) && uwsgi_rbt_is_black(w->right)) {
+				uwsgi_rbt_red(w);
+				temp = temp->parent;
+
+			}
+			else {
+				if (uwsgi_rbt_is_black(w->left)) {
+					uwsgi_rbt_black(w->right);
+					uwsgi_rbt_red(w);
+					uwsgi_rbtree_lr(root, sentinel, w);
+					w = temp->parent->left;
+				}
+
+				uwsgi_rbt_copy_color(w, temp->parent);
+				uwsgi_rbt_black(temp->parent);
+				uwsgi_rbt_black(w->left);
+				uwsgi_rbtree_rr(root, sentinel, temp->parent);
+				temp = *root;
+			}
+		}
+	}
+
+	uwsgi_rbt_black(temp);
 }

core/regexp.c

@@ -1,46 +1,60 @@
 #ifdef UWSGI_PCRE
 #include "uwsgi.h"
 
-int uwsgi_regexp_build(char *re, pcre **pattern, pcre_extra **pattern_extra) {
+extern struct uwsgi_server uwsgi;
+
+void uwsgi_opt_pcre_jit(char *opt, char *value, void *foobar) {
+#if defined(PCRE_STUDY_JIT_COMPILE) && defined(PCRE_CONFIG_JIT)
+	int has_jit = 0, ret;
+	ret = pcre_config(PCRE_CONFIG_JIT, &has_jit);
+	if (ret != 0 || has_jit != 1)
+		return;
+	uwsgi.pcre_jit = PCRE_STUDY_JIT_COMPILE;
+#endif
+}
+
+int uwsgi_regexp_build(char *re, pcre ** pattern, pcre_extra ** pattern_extra) {
 
 	const char *errstr;
 	int erroff;
 
-	*pattern = pcre_compile( (const char *)re, 0, &errstr, &erroff, NULL);
-        if (!*pattern) {
+	*pattern = pcre_compile((const char *) re, 0, &errstr, &erroff, NULL);
+	if (!*pattern) {
 		uwsgi_log("pcre error: %s at offset %d\n", errstr, erroff);
 		return -1;
 	}
 
-	*pattern_extra = (pcre_extra *) pcre_study((const pcre*)*pattern, 0, &errstr);
-        if (*pattern_extra == NULL && errstr != NULL) {
+	int opt = uwsgi.pcre_jit;
+
+	*pattern_extra = (pcre_extra *) pcre_study((const pcre *) *pattern, opt, &errstr);
+	if (*pattern_extra == NULL && errstr != NULL) {
 		pcre_free(*pattern);
 		uwsgi_log("pcre (study) error: %s\n", errstr);
 		return -1;
 	}
 
 	return 0;
-	
+
 }
 
-int uwsgi_regexp_match(pcre *pattern, pcre_extra *pattern_extra, char *subject, int length) {
+int uwsgi_regexp_match(pcre * pattern, pcre_extra * pattern_extra, char *subject, int length) {
 
-	return pcre_exec((const pcre*)pattern, (const pcre_extra *)pattern_extra, subject, length, 0, 0, NULL, 0 );
+	return pcre_exec((const pcre *) pattern, (const pcre_extra *) pattern_extra, subject, length, 0, 0, NULL, 0);
 }
 
-int uwsgi_regexp_match_ovec(pcre *pattern, pcre_extra *pattern_extra, char *subject, int length, int *ovec, int n ) {
+int uwsgi_regexp_match_ovec(pcre * pattern, pcre_extra * pattern_extra, char *subject, int length, int *ovec, int n) {
 
 	if (n > 0) {
-		return pcre_exec((const pcre*)pattern, (const pcre_extra *)pattern_extra, subject, length, 0, 0, ovec, (n+1)*3 );
+		return pcre_exec((const pcre *) pattern, (const pcre_extra *) pattern_extra, subject, length, 0, 0, ovec, (n + 1) * 3);
 	}
-	return pcre_exec((const pcre*)pattern, (const pcre_extra *)pattern_extra, subject, length, 0, 0, NULL, 0 );
+	return pcre_exec((const pcre *) pattern, (const pcre_extra *) pattern_extra, subject, length, 0, 0, NULL, 0);
 }
 
-int uwsgi_regexp_ovector(pcre *pattern, pcre_extra *pattern_extra) {
+int uwsgi_regexp_ovector(pcre * pattern, pcre_extra * pattern_extra) {
 
 	int n;
 
-	if (pcre_fullinfo((const pcre*)pattern, (const pcre_extra *)pattern_extra, PCRE_INFO_CAPTURECOUNT, &n))
+	if (pcre_fullinfo((const pcre *) pattern, (const pcre_extra *) pattern_extra, PCRE_INFO_CAPTURECOUNT, &n))
 		return 0;
 
 	return n;
@@ -48,40 +62,49 @@ int uwsgi_regexp_ovector(pcre *pattern, pcre_extra *pattern_extra) {
 
 char *uwsgi_regexp_apply_ovec(char *src, int src_n, char *dst, int dst_n, int *ovector, int n) {
 
-	int i;
-	int dollar = 0;
+        int i;
+        int dollar = 0;
 
-	char *res = uwsgi_malloc( dst_n + (src_n * n) + 1);
-	char *ptr = res;
+        size_t dollars = n;
 
-	for(i=0;i<dst_n;i++) {
-		if (dollar) {
-			if (isdigit((int)dst[i])) {
-				int pos = (dst[i] - 48);
-				if (pos <= n) {
-					pos = pos * 2;
-					memcpy(ptr, src + ovector[pos], ovector[pos+1]-ovector[pos]);
-					ptr+=ovector[pos+1]-ovector[pos];
-				}
-			}
-			else {
-				*ptr++= dst[i];
-			}
-			dollar = 0;
-		}	
-		else {
-			if (dst[i] == '$') {
-				dollar = 1;
-			}
-			else {
-				*ptr++= dst[i];
-			}
-		}
-	}
+        for(i=0;i<dst_n;i++) {
+                if (dst[i] == '$') {
+                        dollars++;
+                }
+        }
 
-	*ptr++= 0;
+        char *res = uwsgi_malloc(dst_n + (src_n * dollars) + 1);
+        char *ptr = res;
 
-	return res;
+        for (i = 0; i < dst_n; i++) {
+                if (dollar) {
+                        if (isdigit((int) dst[i])) {
+                                int pos = (dst[i] - 48);
+                                if (pos <= n) {
+                                        pos = pos * 2;
+                                        memcpy(ptr, src + ovector[pos], ovector[pos + 1] - ovector[pos]);
+                                        ptr += ovector[pos + 1] - ovector[pos];
+                                }
+                        }
+                        else {
+                                *ptr++ = '$';
+                                *ptr++ = dst[i];
+                        }
+                        dollar = 0;
+                }
+                else {
+                        if (dst[i] == '$') {
+                                dollar = 1;
+                        }
+                        else {
+                                *ptr++ = dst[i];
+                        }
+                }
+        }
+
+        *ptr++ = 0;
+
+        return res;
 }
 
 #endif

core/routing.c

@@ -7,21 +7,23 @@ int uwsgi_apply_routes(struct wsgi_request *wsgi_req) {
 
 	struct uwsgi_route *routes = uwsgi.routes;
 
-	if (!routes) return UWSGI_ROUTE_CONTINUE;
+	if (!routes)
+		return UWSGI_ROUTE_CONTINUE;
 
 	if (uwsgi_parse_vars(wsgi_req)) {
-                return UWSGI_ROUTE_BREAK;
-        }
+		return UWSGI_ROUTE_BREAK;
+	}
 
-	while(routes) {
-		char **subject = (char **) (((char *)(wsgi_req))+routes->subject);
-		uint16_t *subject_len = (uint16_t *)  (((char *)(wsgi_req))+routes->subject_len);
+	while (routes) {
+		char **subject = (char **) (((char *) (wsgi_req)) + routes->subject);
+		uint16_t *subject_len = (uint16_t *) (((char *) (wsgi_req)) + routes->subject_len);
 #ifdef UWSGI_DEBUG
 		uwsgi_log("route subject = %.*s\n", *subject_len, *subject);
 #endif
 		int n = uwsgi_regexp_match_ovec(routes->pattern, routes->pattern_extra, *subject, *subject_len, routes->ovector, routes->ovn);
-		if (n>= 0) {
+		if (n >= 0) {
 			int ret = routes->func(wsgi_req, routes);
+			if (ret == UWSGI_ROUTE_BREAK) uwsgi.workers[uwsgi.mywid].cores[wsgi_req->async_id].routed_requests++;
 			if (ret != UWSGI_ROUTE_NEXT) {
 				return ret;
 			}
@@ -34,23 +36,25 @@ int uwsgi_apply_routes(struct wsgi_request *wsgi_req) {
 
 int uwsgi_apply_routes_fast(struct wsgi_request *wsgi_req, char *uri, int len) {
 
-        struct uwsgi_route *routes = uwsgi.routes;
+	struct uwsgi_route *routes = uwsgi.routes;
 
-        if (!routes) return UWSGI_ROUTE_CONTINUE;
+	if (!routes)
+		return UWSGI_ROUTE_CONTINUE;
 
-        while(routes) {
-                int n = uwsgi_regexp_match_ovec(routes->pattern, routes->pattern_extra, uri, len, routes->ovector, routes->ovn);
-                if (n>= 0) {
+	while (routes) {
+		int n = uwsgi_regexp_match_ovec(routes->pattern, routes->pattern_extra, uri, len, routes->ovector, routes->ovn);
+		if (n >= 0) {
 			int ret = routes->func(wsgi_req, routes);
+			if (ret == UWSGI_ROUTE_BREAK) uwsgi.workers[uwsgi.mywid].cores[wsgi_req->async_id].routed_requests++;
 			if (ret != UWSGI_ROUTE_NEXT) {
 				return ret;
 			}
-                }
+		}
 
-                routes = routes->next;
-        }
+		routes = routes->next;
+	}
 
-        return UWSGI_ROUTE_CONTINUE;
+	return UWSGI_ROUTE_CONTINUE;
 }
 
 
@@ -72,9 +76,9 @@ void uwsgi_opt_add_route(char *opt, char *value, void *foobar) {
 		ur = uwsgi.routes;
 	}
 	else {
-		while(ur) {
+		while (ur) {
 			if (!ur->next) {
-				ur->next = uwsgi_calloc(sizeof(struct uwsgi_route));	
+				ur->next = uwsgi_calloc(sizeof(struct uwsgi_route));
 				ur = ur->next;
 				break;
 			}
@@ -105,10 +109,10 @@ void uwsgi_opt_add_route(char *opt, char *value, void *foobar) {
 
 	ur->ovn = uwsgi_regexp_ovector(ur->pattern, ur->pattern_extra);
 	if (ur->ovn > 0) {
-		ur->ovector = uwsgi_calloc(sizeof(int) * (3 * (ur->ovn + 1)) );
+		ur->ovector = uwsgi_calloc(sizeof(int) * (3 * (ur->ovn + 1)));
 	}
 
-	char *command = space+1;
+	char *command = space + 1;
 
 	char *colon = strchr(command, ':');
 	if (!colon) {
@@ -119,17 +123,17 @@ void uwsgi_opt_add_route(char *opt, char *value, void *foobar) {
 	*colon = 0;
 
 	struct uwsgi_router *r = uwsgi.routers;
-	while(r) {
+	while (r) {
 		if (!strcmp(r->name, command)) {
-			if (r->func(ur, colon+1) == 0) {
+			if (r->func(ur, colon + 1) == 0) {
 				// apply is_last
 				struct uwsgi_route *last_ur = ur;
 				ur = uwsgi.routes;
-				while(ur) {
+				while (ur) {
 					if (ur->func == last_ur->func) {
 						ur->is_last = 0;
 					}
-					ur = ur->next;	
+					ur = ur->next;
 				}
 				last_ur->is_last = 1;
 				return;
@@ -142,7 +146,7 @@ void uwsgi_opt_add_route(char *opt, char *value, void *foobar) {
 	exit(1);
 }
 
-struct uwsgi_router *uwsgi_register_router(char *name, int (*func)(struct uwsgi_route *, char *)) {
+struct uwsgi_router *uwsgi_register_router(char *name, int (*func) (struct uwsgi_route *, char *)) {
 
 	struct uwsgi_router *ur = uwsgi.routers;
 	if (!ur) {
@@ -152,7 +156,7 @@ struct uwsgi_router *uwsgi_register_router(char *name, int (*func)(struct uwsgi_
 		return uwsgi.routers;
 	}
 
-	while(ur) {
+	while (ur) {
 		if (!ur->next) {
 			ur->next = uwsgi_calloc(sizeof(struct uwsgi_router));
 			ur->next->name = name;

core/rpc.c

@@ -16,7 +16,7 @@ int uwsgi_register_rpc(char *name, uint8_t modifier1, uint8_t args, void *func)
 
 	if (uwsgi.shared->rpc_count < MAX_RPC) {
 		urpc = &uwsgi.shared->rpc_table[uwsgi.shared->rpc_count];
-	
+
 		memcpy(urpc->name, name, strlen(name));
 		urpc->modifier1 = modifier1;
 		urpc->args = args;
@@ -39,7 +39,7 @@ uint16_t uwsgi_rpc(char *name, uint8_t argc, char *argv[], uint16_t argvs[], cha
 	int i;
 	uint16_t ret = 0;
 
-	for(i=0;i<uwsgi.shared->rpc_count;i++) {
+	for (i = 0; i < uwsgi.shared->rpc_count; i++) {
 		if (uwsgi.shared->rpc_table[i].name[0] != 0) {
 			if (!strcmp(uwsgi.shared->rpc_table[i].name, name)) {
 				urpc = &uwsgi.shared->rpc_table[i];
@@ -58,71 +58,72 @@ uint16_t uwsgi_rpc(char *name, uint8_t argc, char *argv[], uint16_t argvs[], cha
 }
 
 
-char *uwsgi_do_rpc(char *node, char *func, uint8_t argc, char *argv[], uint16_t argvs[], uint16_t *len) {
+char *uwsgi_do_rpc(char *node, char *func, uint8_t argc, char *argv[], uint16_t argvs[], uint16_t * len) {
 
 	uint8_t i;
 	uint16_t ulen;
 	struct uwsgi_header uh;
 	char *buffer = NULL;
-	
+
 	*len = 0;
 
-        if (node == NULL || !strcmp(node, "")) {
+	if (node == NULL || !strcmp(node, "")) {
 		// allocate the whole buffer
 		buffer = uwsgi_malloc(65536);
-        	*len = uwsgi_rpc(func, argc, argv, argvs, buffer);
+		*len = uwsgi_rpc(func, argc, argv, argvs, buffer);
 		return buffer;
-        }
+	}
 
 
 	// connect to node
-        int fd = uwsgi_connect(node, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT], 0);
+	int fd = uwsgi_connect(node, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT], 0);
 
-        if (fd < 0) return NULL;
+	if (fd < 0)
+		return NULL;
 
-        // prepare a uwsgi array
+	// prepare a uwsgi array
 	uint16_t buffer_size = 2 + strlen(func);
 
-        for (i = 0; i < argc; i++) {
-        	buffer_size += 2 + argvs[i];
-        }
+	for (i = 0; i < argc; i++) {
+		buffer_size += 2 + argvs[i];
+	}
 
 	// allocate the whole buffer
 	buffer = uwsgi_malloc(65536);
 
-        uh.modifier1 = 173;
-        uh.pktsize = buffer_size;
-        uh.modifier2 = 0;
+	uh.modifier1 = 173;
+	uh.pktsize = buffer_size;
+	uh.modifier2 = 0;
 
 	// add func to the array
-        char *bufptr = buffer;
-        ulen = strlen(func);
-        *bufptr++ = (uint8_t) (ulen & 0xff);
-        *bufptr++ = (uint8_t) ((ulen >> 8) & 0xff);
-        memcpy(bufptr, func, ulen);
-        bufptr += ulen;
+	char *bufptr = buffer;
+	ulen = strlen(func);
+	*bufptr++ = (uint8_t) (ulen & 0xff);
+	*bufptr++ = (uint8_t) ((ulen >> 8) & 0xff);
+	memcpy(bufptr, func, ulen);
+	bufptr += ulen;
 
-        for (i = 0; i < argc; i++) {
-        	ulen = argvs[i];
-        	*bufptr++ = (uint8_t) (ulen & 0xff);
-        	*bufptr++ = (uint8_t) ((ulen >> 8) & 0xff);
-        	memcpy(bufptr, argv[i], ulen);
-        	bufptr += ulen;
-        }
+	for (i = 0; i < argc; i++) {
+		ulen = argvs[i];
+		*bufptr++ = (uint8_t) (ulen & 0xff);
+		*bufptr++ = (uint8_t) ((ulen >> 8) & 0xff);
+		memcpy(bufptr, argv[i], ulen);
+		bufptr += ulen;
+	}
 
-        if (write(fd, &uh, 4) != 4) {
-        	uwsgi_error("write()");
-                close(fd);
+	if (write(fd, &uh, 4) != 4) {
+		uwsgi_error("write()");
+		close(fd);
 		free(buffer);
-                return NULL;
-        }
+		return NULL;
+	}
 
-        if (write(fd, buffer, buffer_size) != buffer_size) {
-        	uwsgi_error("write()");
-                close(fd);
+	if (write(fd, buffer, buffer_size) != buffer_size) {
+		uwsgi_error("write()");
+		close(fd);
 		free(buffer);
-                return NULL;
-        }
+		return NULL;
+	}
 
 	if (uwsgi_read_response(fd, &uh, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT], &buffer) < 0) {
 		close(fd);
@@ -131,7 +132,7 @@ char *uwsgi_do_rpc(char *node, char *func, uint8_t argc, char *argv[], uint16_t
 	}
 
 	close(fd);
-	
+
 	*len = uh.pktsize;
 	if (*len == 0) {
 		free(buffer);

core/sendfile.c

@@ -2,201 +2,7 @@
 
 extern struct uwsgi_server uwsgi;
 
-/*
-
-enqueue a file transfer to the offload thread
-
-*/
-
-int uwsgi_offload_request_do(struct wsgi_request *wsgi_req, char *filename, size_t len) {
-
-	struct stat st;
-
-	// avoid closing the connection
-        wsgi_req->fd_closed = 1;
-
-        // fill offload request
-        struct uwsgi_offload_request uor;
-        uor.fd = open(filename, O_RDONLY | O_NONBLOCK);
-        if (uor.fd < 0) {
-        	uwsgi_error_open(filename);
-		goto error;	
-	}
-        uor.s = wsgi_req->poll.fd;
-	// make a fstat to get the file size
-	if (!len) {
-		if (fstat(uor.fd, &st)) {
-			uwsgi_error("fstat()");
-			goto error2;
-		}	
-		len = st.st_size;
-	}
-        uor.pos = 0;
-        uor.len = len;
-	uor.written = 0;
-	uor.buf = NULL;
-	uor.prev = NULL;
-	uor.next = NULL;
-
-	// put socket in non-blocking mode
-	uwsgi_socket_nb(uor.s);
-
-	if (write(uwsgi.offload_thread->pipe[0], &uor, sizeof(struct uwsgi_offload_request)) != sizeof(struct uwsgi_offload_request)) {
-		goto error2;
-	}
-
-	return 0;
-
-error2:
-	close(uor.fd);
-error:
-	wsgi_req->fd_closed = 0;
-	return -1;
-}
-
-static void uwsgi_offload_close(struct uwsgi_offload_request *uor) {
-	// close the socket and the file descriptor
-	close(uor->s);
-	close(uor->fd);
-	// remove the structure from the linked list;
-	struct uwsgi_offload_request *prev = uor->prev;
-	struct uwsgi_offload_request *next = uor->next;
-
-	if (uor == uwsgi.offload_requests_head) {
-		uwsgi.offload_requests_head = next;
-	}
-
-	if (uor == uwsgi.offload_requests_tail) {
-		uwsgi.offload_requests_tail = prev;
-	}
-
-	if (prev) {
-		prev->next = next;
-	}
-
-	if (next) {
-		next->prev = prev;
-	}
-
-	if (uor->buf) {
-		free(uor->buf);
-	}
-
-	free(uor);
-}
-
-static void uwsgi_offload_append(struct uwsgi_offload_request *uor) {
-
-	if (!uwsgi.offload_requests_head) {
-		uwsgi.offload_requests_head = uor;
-	}
-
-	if (uwsgi.offload_requests_tail) {
-		uwsgi.offload_requests_tail->next = uor;
-		uor->prev = uwsgi.offload_requests_tail;
-	}
-	
-	uwsgi.offload_requests_tail = uor;
-}
-
-static struct uwsgi_offload_request *uwsgi_offload_get_by_socket(int s) {
-		struct uwsgi_offload_request *uor = uwsgi.offload_requests_head;
-		while(uor) {
-			if (uor->s == s) {
-				return uor;
-			}
-			uor = uor->next;
-		}
-
-		return NULL;
-}
-
-static void uwsgi_offload_loop(struct uwsgi_thread *ut) {
-
-	int i;
-	void *events = event_queue_alloc(uwsgi.static_offload_to_thread);
-
-	for(;;) {
-		int nevents = event_queue_wait_multi(ut->queue, -1, events, uwsgi.static_offload_to_thread);
-		for (i=0;i<nevents;i++) {
-			int interesting_fd = event_queue_interesting_fd(events, i);
-			if (interesting_fd == uwsgi.offload_thread->pipe[1]) {
-				struct uwsgi_offload_request *uor = uwsgi_malloc(sizeof(struct uwsgi_offload_request));
-				ssize_t len = read(uwsgi.offload_thread->pipe[1], uor, sizeof(struct uwsgi_offload_request));
-				if (len != sizeof(struct uwsgi_offload_request)) {
-					uwsgi_error("read()");
-					free(uor);
-					continue;
-				}
-				// start monitoring socket for write
-				if (event_queue_add_fd_write(ut->queue, uor->s)) {
-					free(uor);
-                                        continue;
-				}
-				uwsgi_offload_append(uor);
-				continue;
-			}
-			// ok check for socket writability
-			struct uwsgi_offload_request *uor = uwsgi_offload_get_by_socket(interesting_fd);
-			if (!uor) continue;
-			// sendfile() in chunks (128k is a good size...)
-#if defined(__linux__)
-			ssize_t len = sendfile(uor->s, uor->fd, &uor->pos, 128*1024);
-			if (len > 0) {
-				uor->written += len;
-				if (uor->written >= uor->len) {
-					uwsgi_offload_close(uor);
-				}
-				continue;
-			}
-			else if (len < 0) {
-				if (errno == EAGAIN) continue;
-				uwsgi_error("sendfile()");
-			}
-#else
-			if (!uor->buf) {
-				uor->buf = uwsgi_malloc(32768);
-				uor->to_write = 0;
-			}
-			if (uor->to_write == 0) {
-				ssize_t len = read(uor->fd, uor->buf, 32768);
-				if (len > 0) {
-					uor->to_write = len;
-					uor->buf_pos = 0;
-					continue;
-				}
-				else if (len < 0) {
-					uwsgi_error("read()");	
-				}
-				uwsgi_offload_close(uor);
-				continue;
-			}	
-			ssize_t len = write(uor->s, uor->buf + uor->buf_pos, uor->to_write);
-			if (len > 0) {
-				uor->written += len;
-				uor->to_write -= len;
-				uor->buf_pos += len;
-				if (uor->written >= uor->len) {
-                                        uwsgi_offload_close(uor);
-                                }
-                                continue;
-			}
-			else if (len < 0) {
-                                if (errno == EAGAIN) continue;
-                                uwsgi_error("write()");
-                        }
-
-#endif
-			uwsgi_offload_close(uor);
-		}
-	}
-}
-
-struct uwsgi_thread *uwsgi_offload_thread_start() {
-	return uwsgi_thread_new(uwsgi_offload_loop);
-}
-
-ssize_t uwsgi_sendfile(struct wsgi_request *wsgi_req) {
+ssize_t uwsgi_sendfile(struct wsgi_request * wsgi_req) {
 
 	int fd = wsgi_req->sendfile_fd;
 	int sockfd = wsgi_req->poll.fd;
@@ -216,10 +22,11 @@ ssize_t uwsgi_sendfile(struct wsgi_request *wsgi_req) {
 
 	if (wsgi_req->sendfile_fd_size) {
 
-		if (!wsgi_req->sendfile_fd_chunk) wsgi_req->sendfile_fd_chunk = 4096;
+		if (!wsgi_req->sendfile_fd_chunk)
+			wsgi_req->sendfile_fd_chunk = 4096;
 
 		if (wsgi_req->socket->proto_sendfile) {
-			sst = wsgi_req->socket->proto_sendfile(wsgi_req);			
+			sst = wsgi_req->socket->proto_sendfile(wsgi_req);
 		}
 		else {
 			sst = uwsgi_do_sendfile(sockfd, wsgi_req->sendfile_fd, wsgi_req->sendfile_fd_size, wsgi_req->sendfile_fd_chunk, &wsgi_req->sendfile_fd_pos, uwsgi.async);
@@ -231,7 +38,7 @@ end:
 	return sst;
 }
 
-ssize_t uwsgi_do_sendfile(int sockfd, int filefd, size_t filesize, size_t chunk, off_t *pos, int async) {
+ssize_t uwsgi_do_sendfile(int sockfd, int filefd, size_t filesize, size_t chunk, off_t * pos, int async) {
 
 #if defined(__FreeBSD__) || defined(__DragonFly__)
 
@@ -292,8 +99,8 @@ ssize_t uwsgi_do_sendfile(int sockfd, int filefd, size_t filesize, size_t chunk,
 		return sf_ret;
 	}
 
-	while(written < filesize) {
-		sf_ret = sendfile(sockfd, filefd, pos, filesize-written);
+	while (written < filesize) {
+		sf_ret = sendfile(sockfd, filefd, pos, filesize - written);
 		if (sf_ret < 0) {
 			uwsgi_error("sendfile()");
 			return 0;
@@ -301,7 +108,7 @@ ssize_t uwsgi_do_sendfile(int sockfd, int filefd, size_t filesize, size_t chunk,
 		else if (sf_ret == 0) {
 			return 0;
 		}
-		written+= sf_ret;
+		written += sf_ret;
 	}
 	return written;
 

core/signal.c

@@ -8,7 +8,8 @@ int uwsgi_signal_handler(uint8_t sig) {
 
 	use = &uwsgi.shared->signal_table[sig];
 
-	if (!use->handler) return -1;
+	if (!use->handler)
+		return -1;
 
 	if (!uwsgi.p[use->modifier1]->signal_handler) {
 		return -1;

core/snmp.c

@@ -249,7 +249,7 @@ static uint64_t get_uwsgi_snmp_value(uint64_t val, uint8_t * oid_t) {
 static uint64_t get_uwsgi_custom_snmp_value(uint64_t val, uint8_t * oid_t) {
 
 	val--;
-        uwsgi_wlock(uwsgi.snmp_lock);
+	uwsgi_wlock(uwsgi.snmp_lock);
 	if (uwsgi.shared->snmp_value[val].type) {
 		*oid_t = uwsgi.shared->snmp_value[val].type;
 		uwsgi_rwunlock(uwsgi.snmp_lock);
@@ -281,130 +281,130 @@ static int get_snmp_integer(uint8_t * ptr, uint64_t * val) {
 #ifdef __BIG_ENDIAN__
 	for (i = 0; i < tlen; i++) {
 #else
-		for (i = tlen - 1; i >= 0; i--) {
+	for (i = tlen - 1; i >= 0; i--) {
 #endif
-			cval[j] = ptr[1 + i];
-			j++;
-		}
-
-		return tlen + 1;
+		cval[j] = ptr[1 + i];
+		j++;
 	}
 
-	static uint8_t snmp_int_to_snmp(uint64_t snmp_val, uint8_t oid_type, uint8_t * buffer) {
-		uint8_t tlen;
-		int i, j;
-		uint8_t *ptr = (uint8_t *) &snmp_val;
+	return tlen + 1;
+}
 
-		// check for counter, counter64 or gauge
+static uint8_t snmp_int_to_snmp(uint64_t snmp_val, uint8_t oid_type, uint8_t * buffer) {
+	uint8_t tlen;
+	int i, j;
+	uint8_t *ptr = (uint8_t *) & snmp_val;
 
-		if (oid_type == SNMP_COUNTER64) {
-			tlen = 8;
-		}
-		else if (oid_type == SNMP_NULL || oid_type == 0) {
-			tlen = 0;
-		}
-		else {
-			tlen = 4;
-		}
+	// check for counter, counter64 or gauge
 
-		buffer[0] = tlen;
+	if (oid_type == SNMP_COUNTER64) {
+		tlen = 8;
+	}
+	else if (oid_type == SNMP_NULL || oid_type == 0) {
+		tlen = 0;
+	}
+	else {
+		tlen = 4;
+	}
 
-		j = 1;
+	buffer[0] = tlen;
+
+	j = 1;
 #ifdef __BIG_ENDIAN__
-		for (i = 0; i < tlen; i++) {
+	for (i = 0; i < tlen; i++) {
 #else
-			for (i = tlen - 1; i >= 0; i--) {
+	for (i = tlen - 1; i >= 0; i--) {
 #endif
-				buffer[j] = ptr[i];
-				j++;
-			}
+		buffer[j] = ptr[i];
+		j++;
+	}
 
-			return tlen + 1;
-		}
+	return tlen + 1;
+}
 
-		static ssize_t build_snmp_response(uint8_t oid1, uint8_t oid2, uint8_t * buffer, int size, uint8_t * seq1, uint8_t * seq2, uint8_t * seq3) {
-			uint64_t snmp_val;
-			uint8_t oid_sz;
-			uint8_t oid_type;
+static ssize_t build_snmp_response(uint8_t oid1, uint8_t oid2, uint8_t * buffer, int size, uint8_t * seq1, uint8_t * seq2, uint8_t * seq3) {
+	uint64_t snmp_val;
+	uint8_t oid_sz;
+	uint8_t oid_type;
 
-			if (oid1 == 1) {
-				snmp_val = get_uwsgi_snmp_value(oid2, &oid_type);
-			}
-			else if (oid1 == 2) {
-				snmp_val = get_uwsgi_custom_snmp_value(oid2, &oid_type);
-			}
-			else {
-				return -1;
-			}
+	if (oid1 == 1) {
+		snmp_val = get_uwsgi_snmp_value(oid2, &oid_type);
+	}
+	else if (oid1 == 2) {
+		snmp_val = get_uwsgi_custom_snmp_value(oid2, &oid_type);
+	}
+	else {
+		return -1;
+	}
 
-			buffer[size - 2] = oid_type;
-			oid_sz = snmp_int_to_snmp(snmp_val, oid_type, buffer + (size - 1));
+	buffer[size - 2] = oid_type;
+	oid_sz = snmp_int_to_snmp(snmp_val, oid_type, buffer + (size - 1));
 
-			if (oid_sz < 1)
-				return -1;
+	if (oid_sz < 1)
+		return -1;
 
-			oid_sz--;
+	oid_sz--;
 
-			buffer[1] += oid_sz;
-			*seq1 += oid_sz;
-			*seq2 += oid_sz;
-			*seq3 += oid_sz;
+	buffer[1] += oid_sz;
+	*seq1 += oid_sz;
+	*seq2 += oid_sz;
+	*seq3 += oid_sz;
 
-			return size + oid_sz;
+	return size + oid_sz;
 
-		}
+}
 
 void uwsgi_opt_snmp(char *opt, char *value, void *foobar) {
 	uwsgi.snmp = 1;
-        if (value) {
-        	uwsgi.snmp_addr = value; 
-                uwsgi.master_process = 1;
-        }
+	if (value) {
+		uwsgi.snmp_addr = value;
+		uwsgi.master_process = 1;
+	}
 
 }
 
 void uwsgi_opt_snmp_community(char *opt, char *value, void *foobar) {
 	uwsgi.snmp = 1;
-        uwsgi.snmp_community = value;
+	uwsgi.snmp_community = value;
 }
 
 int uwsgi_setup_snmp(void) {
 	int snmp_fd = -1;
 	int i;
 	if (uwsgi.snmp) {
-                if (uwsgi.snmp_community) {
-                        if (strlen(uwsgi.snmp_community) > 72) {
-                                uwsgi_log("*** warning the supplied SNMP community string will be truncated to 72 chars ***\n");
-                                memcpy(uwsgi.shared->snmp_community, uwsgi.snmp_community, 72);
-                        }
-                        else {
-                                memcpy(uwsgi.shared->snmp_community, uwsgi.snmp_community, strlen(uwsgi.snmp_community) + 1);
-                        }
-                }
+		if (uwsgi.snmp_community) {
+			if (strlen(uwsgi.snmp_community) > 72) {
+				uwsgi_log("*** warning the supplied SNMP community string will be truncated to 72 chars ***\n");
+				memcpy(uwsgi.shared->snmp_community, uwsgi.snmp_community, 72);
+			}
+			else {
+				memcpy(uwsgi.shared->snmp_community, uwsgi.snmp_community, strlen(uwsgi.snmp_community) + 1);
+			}
+		}
 
-                uwsgi.shared->snmp_gvalue[0].type = SNMP_COUNTER64;
-                uwsgi.shared->snmp_gvalue[0].val = &uwsgi.workers[0].requests;
+		uwsgi.shared->snmp_gvalue[0].type = SNMP_COUNTER64;
+		uwsgi.shared->snmp_gvalue[0].val = &uwsgi.workers[0].requests;
 
-                for (i = 0; i < uwsgi.numproc; i++) {
-                        uwsgi.shared->snmp_gvalue[30 + i].type = SNMP_COUNTER64;
-                        uwsgi.shared->snmp_gvalue[30 + i].val = &uwsgi.workers[i + 1].requests;
-                }
+		for (i = 0; i < uwsgi.numproc; i++) {
+			uwsgi.shared->snmp_gvalue[30 + i].type = SNMP_COUNTER64;
+			uwsgi.shared->snmp_gvalue[30 + i].val = &uwsgi.workers[i + 1].requests;
+		}
 
-                if (uwsgi.snmp_addr) {
-                        snmp_fd = bind_to_udp(uwsgi.snmp_addr, 0, 0);
-                        if (snmp_fd < 0) {
-                                uwsgi_log("unable to bind to udp socket. SNMP service will be disabled.\n");
-                        }
-                        else {
-                                uwsgi_log("SNMP server enabled on %s\n", uwsgi.snmp_addr);
-                                event_queue_add_fd_read(uwsgi.master_queue, snmp_fd);
-                        }
-                }
-                else {
-                        uwsgi_log("SNMP agent enabled.\n");
-                }
+		if (uwsgi.snmp_addr) {
+			snmp_fd = bind_to_udp(uwsgi.snmp_addr, 0, 0);
+			if (snmp_fd < 0) {
+				uwsgi_log("unable to bind to udp socket. SNMP service will be disabled.\n");
+			}
+			else {
+				uwsgi_log("SNMP server enabled on %s\n", uwsgi.snmp_addr);
+				event_queue_add_fd_read(uwsgi.master_queue, snmp_fd);
+			}
+		}
+		else {
+			uwsgi_log("SNMP agent enabled.\n");
+		}
 
-        }
+	}
 
 	return snmp_fd;
 }

core/socket.c

@@ -233,8 +233,8 @@ int bind_to_udp(char *socket_name, int multicast, int broadcast) {
 	}
 
 	if (setsockopt(serverfd, SOL_SOCKET, SO_REUSEADDR, (const void *) &reuse, sizeof(int)) < 0) {
-                uwsgi_error("setsockopt()");
-        }
+		uwsgi_error("setsockopt()");
+	}
 
 #ifdef UWSGI_MULTICAST
 	if (multicast) {
@@ -271,8 +271,8 @@ int bind_to_udp(char *socket_name, int multicast, int broadcast) {
 		}
 
 		if (setsockopt(serverfd, IPPROTO_IP, IP_MULTICAST_TTL, &uwsgi.multicast_ttl, sizeof(uwsgi.multicast_ttl))) {
-                        uwsgi_error("setsockopt()");
-                }
+			uwsgi_error("setsockopt()");
+		}
 
 	}
 #endif
@@ -335,7 +335,7 @@ int connect_to_unix(char *socket_name, int timeout, int async) {
 	}
 
 #if defined(__linux__) && defined(SOCK_NONBLOCK) && !defined(OBSOLETE_LINUX_KERNEL)
-	uwsgi_poll.fd = socket(AF_UNIX, SOCK_STREAM|SOCK_NONBLOCK, 0);
+	uwsgi_poll.fd = socket(AF_UNIX, SOCK_STREAM | SOCK_NONBLOCK, 0);
 #else
 	uwsgi_poll.fd = socket(AF_UNIX, SOCK_STREAM, 0);
 #endif
@@ -377,7 +377,7 @@ int connect_to_tcp(char *socket_name, int port, int timeout, int async) {
 	socket_name[strlen(socket_name)] = ':';
 
 #if defined(__linux__) && defined(SOCK_NONBLOCK) && !defined(OBSOLETE_LINUX_KERNEL)
-	uwsgi_poll.fd = socket(AF_INET, SOCK_STREAM|SOCK_NONBLOCK, 0);
+	uwsgi_poll.fd = socket(AF_INET, SOCK_STREAM | SOCK_NONBLOCK, 0);
 #else
 	uwsgi_poll.fd = socket(AF_INET, SOCK_STREAM, 0);
 #endif
@@ -564,14 +564,15 @@ int bind_to_tcp(char *socket_name, int listen_queue, char *tcp_port) {
 	}
 
 #ifdef __linux__
-#ifdef IP_FREEBIND
+#ifndef IP_FREEBIND
+#define IP_FREEBIND 15
+#endif
 	if (uwsgi.freebind) {
 		if (setsockopt(serverfd, SOL_IP, IP_FREEBIND, (const void *) &uwsgi.freebind, sizeof(int)) < 0) {
 			uwsgi_error("IP_FREEBIND setsockopt()");
 			uwsgi_nuclear_blast();
 		}
 	}
-#endif
 #endif
 
 	if (uwsgi.reuse_port) {
@@ -590,9 +591,9 @@ int bind_to_tcp(char *socket_name, int listen_queue, char *tcp_port) {
 		tv.tv_sec = uwsgi.so_send_timeout;
 		tv.tv_usec = 0;
 		if (setsockopt(serverfd, SOL_SOCKET, SO_SNDTIMEO, (const void *) &tv, sizeof(struct timeval)) < 0) {
-                        uwsgi_error("SO_SNDTIMEO setsockopt()");
-                        uwsgi_nuclear_blast();
-                }
+			uwsgi_error("SO_SNDTIMEO setsockopt()");
+			uwsgi_nuclear_blast();
+		}
 	}
 
 	if (!uwsgi.no_defer_accept) {
@@ -629,8 +630,8 @@ int bind_to_tcp(char *socket_name, int listen_queue, char *tcp_port) {
 	}
 
 #ifdef __linux__
-        long somaxconn = uwsgi_num_from_file("/proc/sys/net/core/somaxconn");
-        if (somaxconn > 0 && uwsgi.listen_queue > somaxconn) {
+	long somaxconn = uwsgi_num_from_file("/proc/sys/net/core/somaxconn", 1);
+	if (somaxconn > 0 && uwsgi.listen_queue > somaxconn) {
 		uwsgi_log("Listen queue size is greater than the system max net.core.somaxconn (%i).\n", somaxconn);
 		uwsgi_nuclear_blast();
 	}
@@ -717,7 +718,7 @@ int timed_connect(struct pollfd *fdpoll, const struct sockaddr *addr, int addr_s
 
 
 #if defined(__linux__) && defined(SOCK_NONBLOCK) && !defined(OBSOLETE_LINUX_KERNEL)
-        // hmm, nothing to do, as we are already non-blocking
+	uwsgi_socket_b(fdpoll->fd);
 #else
 	/* re-set blocking socket */
 	arg &= (~O_NONBLOCK);
@@ -1480,346 +1481,356 @@ socklen_t socket_to_in_addr6(char *socket_name, char *port, int portn, struct so
 void uwsgi_setup_shared_sockets() {
 	int i;
 	struct uwsgi_socket *shared_sock = uwsgi.shared_sockets;
-        while (shared_sock) {
-                if (!uwsgi.is_a_reload) {
-                        char *tcp_port = strrchr(shared_sock->name, ':');
-                        if (tcp_port == NULL) {
-                                shared_sock->fd = bind_to_unix(shared_sock->name, uwsgi.listen_queue, uwsgi.chmod_socket, uwsgi.abstract_socket);
-                                shared_sock->family = AF_UNIX;
-                                uwsgi_log("uwsgi shared socket %d bound to UNIX address %s fd %d\n", uwsgi_get_shared_socket_num(shared_sock), shared_sock->name, shared_sock->fd);
+	while (shared_sock) {
+		if (!uwsgi.is_a_reload) {
+			char *tcp_port = strrchr(shared_sock->name, ':');
+			int current_defer_accept = uwsgi.no_defer_accept;
+                        if (shared_sock->no_defer) {
+                        	uwsgi.no_defer_accept = 1;
                         }
-                        else {
+			if (tcp_port == NULL) {
+				shared_sock->fd = bind_to_unix(shared_sock->name, uwsgi.listen_queue, uwsgi.chmod_socket, uwsgi.abstract_socket);
+				shared_sock->family = AF_UNIX;
+				uwsgi_log("uwsgi shared socket %d bound to UNIX address %s fd %d\n", uwsgi_get_shared_socket_num(shared_sock), shared_sock->name, shared_sock->fd);
+			}
+			else {
 #ifdef UWSGI_IPV6
-                                if (shared_sock->name[0] == '[' && tcp_port[-1] == ']') {
-                                        shared_sock->fd = bind_to_tcp6(shared_sock->name, uwsgi.listen_queue, tcp_port);
-                                        shared_sock->family = AF_INET6;
-                                        // fix socket name
-                                        shared_sock->name = uwsgi_getsockname(shared_sock->fd);
-                                        uwsgi_log("uwsgi shared socket %d bound to TCP6 address %s fd %d\n", uwsgi_get_shared_socket_num(shared_sock), shared_sock->name, shared_sock->fd);
-                                }
-                                else {
+				if (shared_sock->name[0] == '[' && tcp_port[-1] == ']') {
+					shared_sock->fd = bind_to_tcp6(shared_sock->name, uwsgi.listen_queue, tcp_port);
+					shared_sock->family = AF_INET6;
+					// fix socket name
+					shared_sock->name = uwsgi_getsockname(shared_sock->fd);
+					uwsgi_log("uwsgi shared socket %d bound to TCP6 address %s fd %d\n", uwsgi_get_shared_socket_num(shared_sock), shared_sock->name, shared_sock->fd);
+				}
+				else {
 #endif
-                                        shared_sock->fd = bind_to_tcp(shared_sock->name, uwsgi.listen_queue, tcp_port);
-                                        shared_sock->family = AF_INET;
-                                        // fix socket name
-                                        shared_sock->name = uwsgi_getsockname(shared_sock->fd);
-                                        uwsgi_log("uwsgi shared socket %d bound to TCP address %s fd %d\n", uwsgi_get_shared_socket_num(shared_sock), shared_sock->name, shared_sock->fd);
+					shared_sock->fd = bind_to_tcp(shared_sock->name, uwsgi.listen_queue, tcp_port);
+					shared_sock->family = AF_INET;
+					// fix socket name
+					shared_sock->name = uwsgi_getsockname(shared_sock->fd);
+					uwsgi_log("uwsgi shared socket %d bound to TCP address %s fd %d\n", uwsgi_get_shared_socket_num(shared_sock), shared_sock->name, shared_sock->fd);
 #ifdef UWSGI_IPV6
-                                }
+				}
 #endif
+			}
+
+			if (shared_sock->fd < 0) {
+				uwsgi_log("unable to create shared socket on: %s\n", shared_sock->name);
+				exit(1);
+			}
+ 
+			if (shared_sock->no_defer) {
+                                uwsgi.no_defer_accept = current_defer_accept;
                         }
 
-                        if (shared_sock->fd < 0) {
-                                uwsgi_log("unable to create shared socket on: %s\n", shared_sock->name);
-                                exit(1);
-                        }
-                }
-                else {
-                        for (i = 3; i < (int) uwsgi.max_fd; i++) {
-                                char *sock = uwsgi_getsockname(i);
-                                if (sock) {
-                                        if (!strcmp(sock, shared_sock->name)) {
-                                                if (strchr(sock, ':')) {
-                                                        uwsgi_log("uwsgi shared socket %d inherited TCP address %s fd %d\n", uwsgi_get_shared_socket_num(shared_sock), sock, i);
-                                                        shared_sock->family = AF_INET;
-                                                }
-                                                else {
-                                                        uwsgi_log("uwsgi shared socket %d inherited UNIX address %s fd %d\n", uwsgi_get_shared_socket_num(shared_sock), sock, i);
-                                                        shared_sock->family = AF_UNIX;
-                                                }
-                                                shared_sock->fd = i;
-                                        }
-                                        else {
-                                                free(sock);
-                                        }
-                                }
-                        }
-                }
-                shared_sock->bound = 1;
-                shared_sock = shared_sock->next;
-        }
+		}
+		else {
+			for (i = 3; i < (int) uwsgi.max_fd; i++) {
+				char *sock = uwsgi_getsockname(i);
+				if (sock) {
+					if (!strcmp(sock, shared_sock->name)) {
+						if (strchr(sock, ':')) {
+							uwsgi_log("uwsgi shared socket %d inherited TCP address %s fd %d\n", uwsgi_get_shared_socket_num(shared_sock), sock, i);
+							shared_sock->family = AF_INET;
+						}
+						else {
+							uwsgi_log("uwsgi shared socket %d inherited UNIX address %s fd %d\n", uwsgi_get_shared_socket_num(shared_sock), sock, i);
+							shared_sock->family = AF_UNIX;
+						}
+						shared_sock->fd = i;
+					}
+					else {
+						free(sock);
+					}
+				}
+			}
+		}
+		shared_sock->bound = 1;
+		shared_sock = shared_sock->next;
+	}
 
 	struct uwsgi_socket *uwsgi_sock = uwsgi.sockets;
-        while (uwsgi_sock) {
+	while (uwsgi_sock) {
 
-                if (uwsgi_sock->shared) {
-                        shared_sock = uwsgi_get_shared_socket_by_num(uwsgi_sock->from_shared);
-                        if (!shared_sock) {
-                                uwsgi_log("unable to find shared socket %d\n", uwsgi_sock->from_shared);
-                                exit(1);
-                        }
-                        uwsgi_sock->fd = shared_sock->fd;
-                        uwsgi_sock->family = shared_sock->family;
-                        uwsgi_sock->name = shared_sock->name;
-                        uwsgi_log("uwsgi socket %d mapped to shared socket %d (%s) fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_get_shared_socket_num(shared_sock), shared_sock->name, uwsgi_sock->fd);
-                }
+		if (uwsgi_sock->shared) {
+			shared_sock = uwsgi_get_shared_socket_by_num(uwsgi_sock->from_shared);
+			if (!shared_sock) {
+				uwsgi_log("unable to find shared socket %d\n", uwsgi_sock->from_shared);
+				exit(1);
+			}
+			uwsgi_sock->fd = shared_sock->fd;
+			uwsgi_sock->family = shared_sock->family;
+			uwsgi_sock->name = shared_sock->name;
+			uwsgi_log("uwsgi socket %d mapped to shared socket %d (%s) fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_get_shared_socket_num(shared_sock), shared_sock->name, uwsgi_sock->fd);
+		}
 
-                uwsgi_sock = uwsgi_sock->next;
-        }
+		uwsgi_sock = uwsgi_sock->next;
+	}
 
 
 }
 
 void uwsgi_map_sockets() {
 	struct uwsgi_socket *uwsgi_sock = uwsgi.sockets;
-        while (uwsgi_sock) {
-                struct uwsgi_string_list *usl = uwsgi.map_socket;
-                int enabled = 1;
-                while (usl) {
+	while (uwsgi_sock) {
+		struct uwsgi_string_list *usl = uwsgi.map_socket;
+		int enabled = 1;
+		while (usl) {
 
-                        char *colon = strchr(usl->value, ':');
+			char *colon = strchr(usl->value, ':');
 			if (!colon) {
 				uwsgi_log("invalid socket mapping, must be socket:worker[,worker...]\n");
 				exit(1);
 			}
-                        if ((int) uwsgi_str_num(usl->value, colon - usl->value) == uwsgi_get_socket_num(uwsgi_sock)) {
-                                enabled = 0;
-                                char *p = strtok(colon + 1, ",");
-                                while (p != NULL) {
-                                        int w = atoi(p);
-                                        if (w < 1 || w > uwsgi.numproc) {
-                                                uwsgi_log("invalid worker num: %d\n", w);
-                                                exit(1);
-                                        }
-                                        if (w == uwsgi.mywid) {
-                                                enabled = 1;
-                                                uwsgi_log("mapped socket %d (%s) to worker %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi.mywid);
-                                                break;
-                                        }
-                                        p = strtok(NULL, ",");
-                                }
-                        }
+			if ((int) uwsgi_str_num(usl->value, colon - usl->value) == uwsgi_get_socket_num(uwsgi_sock)) {
+				enabled = 0;
+				char *p = strtok(colon + 1, ",");
+				while (p != NULL) {
+					int w = atoi(p);
+					if (w < 1 || w > uwsgi.numproc) {
+						uwsgi_log("invalid worker num: %d\n", w);
+						exit(1);
+					}
+					if (w == uwsgi.mywid) {
+						enabled = 1;
+						uwsgi_log("mapped socket %d (%s) to worker %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi.mywid);
+						break;
+					}
+					p = strtok(NULL, ",");
+				}
+			}
 
-                        usl = usl->next;
-                }
+			usl = usl->next;
+		}
 
-                if (!enabled) {
-                        close(uwsgi_sock->fd);
-                        int fd = open("/dev/null", O_RDONLY);
-                        if (fd < 0) {
-                                uwsgi_error_open("/dev/null");
-                                exit(1);
-                        }
-                        if (fd != uwsgi_sock->fd) {
-                                if (dup2(fd, uwsgi_sock->fd)) {
-                                        uwsgi_error("dup2()");
-                                        exit(1);
-                                }
-                                close(fd);
-                        }
-                        uwsgi_sock->disabled = 1;
-                }
+		if (!enabled) {
+			close(uwsgi_sock->fd);
+			int fd = open("/dev/null", O_RDONLY);
+			if (fd < 0) {
+				uwsgi_error_open("/dev/null");
+				exit(1);
+			}
+			if (fd != uwsgi_sock->fd) {
+				if (dup2(fd, uwsgi_sock->fd) < 0) {
+					uwsgi_error("dup2()");
+					exit(1);
+				}
+				close(fd);
+			}
+			uwsgi_sock->disabled = 1;
+		}
 
 
-                uwsgi_sock = uwsgi_sock->next;
+		uwsgi_sock = uwsgi_sock->next;
 
-        }
+	}
 
-        uwsgi_sock = uwsgi.sockets;
-        while (uwsgi_sock) {
-                if (uwsgi_sock->disabled) {
-                        uwsgi_sock = uwsgi_del_socket(uwsgi_sock);
-                }
-                else {
-                        uwsgi_sock = uwsgi_sock->next;
-                }
-        }
+	uwsgi_sock = uwsgi.sockets;
+	while (uwsgi_sock) {
+		if (uwsgi_sock->disabled) {
+			uwsgi_sock = uwsgi_del_socket(uwsgi_sock);
+		}
+		else {
+			uwsgi_sock = uwsgi_sock->next;
+		}
+	}
 
 }
 
 void uwsgi_bind_sockets() {
 	socklen_t socket_type_len;
 	union uwsgi_sockaddr usa;
-        union uwsgi_sockaddr_ptr gsa;
+	union uwsgi_sockaddr_ptr gsa;
 
 	struct uwsgi_socket *uwsgi_sock = uwsgi.sockets;
-                while (uwsgi_sock) {
-                        if (!uwsgi_sock->bound && !uwsgi_socket_is_already_bound(uwsgi_sock->name)) {
-                                char *tcp_port = strrchr(uwsgi_sock->name, ':');
-                                if (tcp_port == NULL) {
-                                        uwsgi_sock->fd = bind_to_unix(uwsgi_sock->name, uwsgi.listen_queue, uwsgi.chmod_socket, uwsgi.abstract_socket);
-                                        uwsgi_sock->family = AF_UNIX;
-                                        if (uwsgi.chown_socket) {
-                                                uwsgi_chown(uwsgi_sock->name, uwsgi.chown_socket);
-                                        }
-                                        uwsgi_log("uwsgi socket %d bound to UNIX address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
-                                }
-                                else {
+	while (uwsgi_sock) {
+		if (!uwsgi_sock->bound && !uwsgi_socket_is_already_bound(uwsgi_sock->name)) {
+			char *tcp_port = strrchr(uwsgi_sock->name, ':');
+			if (tcp_port == NULL) {
+				uwsgi_sock->fd = bind_to_unix(uwsgi_sock->name, uwsgi.listen_queue, uwsgi.chmod_socket, uwsgi.abstract_socket);
+				uwsgi_sock->family = AF_UNIX;
+				if (uwsgi.chown_socket) {
+					uwsgi_chown(uwsgi_sock->name, uwsgi.chown_socket);
+				}
+				uwsgi_log("uwsgi socket %d bound to UNIX address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
+			}
+			else {
 #ifdef UWSGI_IPV6
-                                        if (uwsgi_sock->name[0] == '[' && tcp_port[-1] == ']') {
-                                                uwsgi_sock->fd = bind_to_tcp6(uwsgi_sock->name, uwsgi.listen_queue, tcp_port);
-                                                uwsgi_log("uwsgi socket %d bound to TCP6 address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
-                                                uwsgi_sock->family = AF_INET6;
-                                        }
-                                        else {
+				if (uwsgi_sock->name[0] == '[' && tcp_port[-1] == ']') {
+					uwsgi_sock->fd = bind_to_tcp6(uwsgi_sock->name, uwsgi.listen_queue, tcp_port);
+					uwsgi_log("uwsgi socket %d bound to TCP6 address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
+					uwsgi_sock->family = AF_INET6;
+				}
+				else {
 #endif
-                                                uwsgi_sock->fd = bind_to_tcp(uwsgi_sock->name, uwsgi.listen_queue, tcp_port);
-                                                uwsgi_log("uwsgi socket %d bound to TCP address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
-                                                uwsgi_sock->family = AF_INET;
+					uwsgi_sock->fd = bind_to_tcp(uwsgi_sock->name, uwsgi.listen_queue, tcp_port);
+					uwsgi_log("uwsgi socket %d bound to TCP address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
+					uwsgi_sock->family = AF_INET;
 #ifdef UWSGI_IPV6
-                                        }
+				}
 #endif
-                                }
+			}
 
-                                if (uwsgi_sock->fd < 0 && !uwsgi_sock->per_core) {
-                                        uwsgi_log("unable to create server socket on: %s\n", uwsgi_sock->name);
-                                        exit(1);
-                                }
-                        }
-                        uwsgi_sock->bound = 1;
-                        uwsgi_sock = uwsgi_sock->next;
-                }
+			if (uwsgi_sock->fd < 0 && !uwsgi_sock->per_core) {
+				uwsgi_log("unable to create server socket on: %s\n", uwsgi_sock->name);
+				exit(1);
+			}
+		}
+		uwsgi_sock->bound = 1;
+		uwsgi_sock = uwsgi_sock->next;
+	}
 
 
-                if (uwsgi.chown_socket) {
-                        if (!uwsgi.master_as_root) {
-                                uwsgi_as_root();
-                        }
-                }
+	if (uwsgi.chown_socket) {
+		if (!uwsgi.master_as_root) {
+			uwsgi_as_root();
+		}
+	}
 
 	int zero_used = 0;
-                uwsgi_sock = uwsgi.sockets;
-                while (uwsgi_sock) {
-                        if (uwsgi_sock->bound && uwsgi_sock->fd == 0) {
-                                zero_used = 1;
-                                break;
-                        }
-                        uwsgi_sock = uwsgi_sock->next;
-                }
+	uwsgi_sock = uwsgi.sockets;
+	while (uwsgi_sock) {
+		if (uwsgi_sock->bound && uwsgi_sock->fd == 0) {
+			zero_used = 1;
+			break;
+		}
+		uwsgi_sock = uwsgi_sock->next;
+	}
 
-                if (!zero_used) {
-                        socket_type_len = sizeof(struct sockaddr_un);
-                        gsa.sa = (struct sockaddr *) &usa;
-                        if (!uwsgi.skip_zero && !getsockname(0, gsa.sa, &socket_type_len)) {
-                                if (gsa.sa->sa_family == AF_UNIX) {
-                                        uwsgi_sock = uwsgi_new_socket(usa.sa_un.sun_path);
-                                        uwsgi_sock->family = AF_UNIX;
-                                        uwsgi_sock->fd = 0;
-                                        uwsgi_sock->bound = 1;
-                                        uwsgi_log("uwsgi socket %d inherited UNIX address %s fd 0\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name);
-                                }
-                                else {
-                                        uwsgi_sock = uwsgi_new_socket(uwsgi_concat2("::", ""));
-                                        uwsgi_sock->family = AF_INET;
-                                        uwsgi_sock->fd = 0;
-                                        uwsgi_sock->bound = 1;
-                                        uwsgi_log("uwsgi socket %d inherited INET address %s fd 0\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name);
-                                }
-                        }
-                        else if (!uwsgi.honour_stdin) {
-                                int fd = open("/dev/null", O_RDONLY);
-                                if (fd < 0) {
-                                        uwsgi_error_open("/dev/null");
-                                        exit(1);
-                                }
-                                if (fd != 0) {
-                                        if (dup2(fd, 0)) {
-                                                uwsgi_error("dup2()");
-                                                exit(1);
-                                        }
-                                        close(fd);
-                                }
-                        }
-                        else if (uwsgi.honour_stdin) {
-                                if (!tcgetattr(0, &uwsgi.termios)) {
-                                        uwsgi.restore_tc = 1;
-                                }
-                        }
+	if (!zero_used) {
+		socket_type_len = sizeof(struct sockaddr_un);
+		gsa.sa = (struct sockaddr *) &usa;
+		if (!uwsgi.skip_zero && !getsockname(0, gsa.sa, &socket_type_len)) {
+			if (gsa.sa->sa_family == AF_UNIX) {
+				uwsgi_sock = uwsgi_new_socket(uwsgi_getsockname(0));
+				uwsgi_sock->family = AF_UNIX;
+				uwsgi_sock->fd = 0;
+				uwsgi_sock->bound = 1;
+				uwsgi_log("uwsgi socket %d inherited UNIX address %s fd 0\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name);
+			}
+			else {
+				uwsgi_sock = uwsgi_new_socket(uwsgi_getsockname(0));
+				uwsgi_sock->family = AF_INET;
+				uwsgi_sock->fd = 0;
+				uwsgi_sock->bound = 1;
+				uwsgi_log("uwsgi socket %d inherited INET address %s fd 0\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name);
+			}
+		}
+		else if (!uwsgi.honour_stdin) {
+			int fd = open("/dev/null", O_RDONLY);
+			if (fd < 0) {
+				uwsgi_error_open("/dev/null");
+				exit(1);
+			}
+			if (fd != 0) {
+				if (dup2(fd, 0) < 0) {
+					uwsgi_error("dup2()");
+					exit(1);
+				}
+				close(fd);
+			}
+		}
+		else if (uwsgi.honour_stdin) {
+			if (!tcgetattr(0, &uwsgi.termios)) {
+				uwsgi.restore_tc = 1;
+			}
+		}
 
-                }
+	}
 
 	// check for auto_port socket
-                uwsgi_sock = uwsgi.sockets;
-                while (uwsgi_sock) {
-                        if (uwsgi_sock->auto_port) {
+	uwsgi_sock = uwsgi.sockets;
+	while (uwsgi_sock) {
+		if (uwsgi_sock->auto_port) {
 #ifdef UWSGI_IPV6
-                                if (uwsgi_sock->family == AF_INET6) {
-                                        uwsgi_log("uwsgi socket %d bound to TCP6 address %s (port auto-assigned) fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
-                                }
-                                else {
+			if (uwsgi_sock->family == AF_INET6) {
+				uwsgi_log("uwsgi socket %d bound to TCP6 address %s (port auto-assigned) fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
+			}
+			else {
 #endif
-                                        uwsgi_log("uwsgi socket %d bound to TCP address %s (port auto-assigned) fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
+				uwsgi_log("uwsgi socket %d bound to TCP address %s (port auto-assigned) fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
 #ifdef UWSGI_IPV6
-                                }
+			}
 #endif
-                        }
-                        uwsgi_sock = uwsgi_sock->next;
-                }
+		}
+		uwsgi_sock = uwsgi_sock->next;
+	}
 
 
 }
 
 void uwsgi_set_sockets_protocols() {
 	struct uwsgi_socket *uwsgi_sock = uwsgi.sockets;
-                while (uwsgi_sock) {
-                        char *requested_protocol = uwsgi_sock->proto_name;
+	while (uwsgi_sock) {
+		char *requested_protocol = uwsgi_sock->proto_name;
 
-                        if (uwsgi_sock->lazy) goto setup_proto;
-                        if (!uwsgi_sock->bound || uwsgi_sock->fd == -1)
-                                goto nextsock;
-                        if (!uwsgi_sock->per_core) {
-                                uwsgi_sock->arg = fcntl(uwsgi_sock->fd, F_GETFL, NULL);
-                                if (uwsgi_sock->arg < 0) {
-                                        uwsgi_error("fcntl()");
-                                        exit(1);
-                                }
-                                uwsgi_sock->arg |= O_NONBLOCK;
-                                if (fcntl(uwsgi_sock->fd, F_SETFL, uwsgi_sock->arg) < 0) {
-                                        uwsgi_error("fcntl()");
-                                        exit(1);
-                                }
-                        }
+		if (uwsgi_sock->lazy)
+			goto setup_proto;
+		if (!uwsgi_sock->bound || uwsgi_sock->fd == -1)
+			goto nextsock;
+		if (!uwsgi_sock->per_core) {
+			uwsgi_sock->arg = fcntl(uwsgi_sock->fd, F_GETFL, NULL);
+			if (uwsgi_sock->arg < 0) {
+				uwsgi_error("fcntl()");
+				exit(1);
+			}
+			uwsgi_sock->arg |= O_NONBLOCK;
+			if (fcntl(uwsgi_sock->fd, F_SETFL, uwsgi_sock->arg) < 0) {
+				uwsgi_error("fcntl()");
+				exit(1);
+			}
+		}
 
 setup_proto:
-                        if (!requested_protocol) {
-                                requested_protocol = uwsgi.protocol;
-                        }
+		if (!requested_protocol) {
+			requested_protocol = uwsgi.protocol;
+		}
 
-                        if (requested_protocol && !strcmp("http", requested_protocol)) {
-                                uwsgi_sock->proto = uwsgi_proto_http_parser;
-                                uwsgi_sock->proto_accept = uwsgi_proto_base_accept;
-                                uwsgi_sock->proto_write = uwsgi_proto_uwsgi_write;
-                                uwsgi_sock->proto_writev = uwsgi_proto_uwsgi_writev;
-                                uwsgi_sock->proto_write_header = uwsgi_proto_uwsgi_write_header;
-                                uwsgi_sock->proto_writev_header = uwsgi_proto_uwsgi_writev_header;
-                                uwsgi_sock->proto_sendfile = NULL;
-                                uwsgi_sock->proto_close = uwsgi_proto_base_close;
-				if (uwsgi.static_offload_to_thread)
-					uwsgi_sock->can_offload = 1;
-                        }
-                        else if (requested_protocol && (!strcmp("fastcgi", requested_protocol) || !strcmp("fcgi", requested_protocol))) {
-                                if (uwsgi.protocol && (!strcmp(uwsgi.protocol, "fastcgi") || !strcmp(uwsgi.protocol, "fcgi"))) {
-                                        uwsgi.shared->options[UWSGI_OPTION_CGI_MODE] = 1;
-                                }
-                                uwsgi_sock->proto = uwsgi_proto_fastcgi_parser;
-                                uwsgi_sock->proto_accept = uwsgi_proto_base_accept;
-                                uwsgi_sock->proto_write = uwsgi_proto_fastcgi_write;
-                                uwsgi_sock->proto_writev = uwsgi_proto_fastcgi_writev;
-                                uwsgi_sock->proto_write_header = uwsgi_proto_fastcgi_write_header;
-                                uwsgi_sock->proto_writev_header = uwsgi_proto_fastcgi_writev_header;
-                                uwsgi_sock->proto_sendfile = uwsgi_proto_fastcgi_sendfile;
-                                uwsgi_sock->proto_close = uwsgi_proto_fastcgi_close;
-                        }
+		if (requested_protocol && !strcmp("http", requested_protocol)) {
+			uwsgi_sock->proto = uwsgi_proto_http_parser;
+			uwsgi_sock->proto_accept = uwsgi_proto_base_accept;
+			uwsgi_sock->proto_write = uwsgi_proto_uwsgi_write;
+			uwsgi_sock->proto_writev = uwsgi_proto_uwsgi_writev;
+			uwsgi_sock->proto_write_header = uwsgi_proto_uwsgi_write_header;
+			uwsgi_sock->proto_writev_header = uwsgi_proto_uwsgi_writev_header;
+			uwsgi_sock->proto_sendfile = NULL;
+			uwsgi_sock->proto_close = uwsgi_proto_base_close;
+			if (uwsgi.offload_threads > 0)
+				uwsgi_sock->can_offload = 1;
+		}
+		else if (requested_protocol && (!strcmp("fastcgi", requested_protocol) || !strcmp("fcgi", requested_protocol))) {
+			if (uwsgi.protocol && (!strcmp(uwsgi.protocol, "fastcgi") || !strcmp(uwsgi.protocol, "fcgi"))) {
+				uwsgi.shared->options[UWSGI_OPTION_CGI_MODE] = 1;
+			}
+			uwsgi_sock->proto = uwsgi_proto_fastcgi_parser;
+			uwsgi_sock->proto_accept = uwsgi_proto_base_accept;
+			uwsgi_sock->proto_write = uwsgi_proto_fastcgi_write;
+			uwsgi_sock->proto_writev = uwsgi_proto_fastcgi_writev;
+			uwsgi_sock->proto_write_header = uwsgi_proto_fastcgi_write_header;
+			uwsgi_sock->proto_writev_header = uwsgi_proto_fastcgi_writev_header;
+			uwsgi_sock->proto_sendfile = uwsgi_proto_fastcgi_sendfile;
+			uwsgi_sock->proto_close = uwsgi_proto_fastcgi_close;
+		}
 #ifdef UWSGI_ZEROMQ
-                        else if (requested_protocol && !strcmp("zmq", requested_protocol)) {
-                                uwsgi.zeromq = 1;
-                        }
+		else if (requested_protocol && !strcmp("zmq", requested_protocol)) {
+			uwsgi.zeromq = 1;
+		}
 #endif
-                        else {
-                                uwsgi_sock->proto = uwsgi_proto_uwsgi_parser;
-                                uwsgi_sock->proto_accept = uwsgi_proto_base_accept;
-                                uwsgi_sock->proto_write = uwsgi_proto_uwsgi_write;
-                                uwsgi_sock->proto_writev = uwsgi_proto_uwsgi_writev;
-                                uwsgi_sock->proto_write_header = uwsgi_proto_uwsgi_write_header;
-                                uwsgi_sock->proto_writev_header = uwsgi_proto_uwsgi_writev_header;
-                                uwsgi_sock->proto_sendfile = NULL;
-                                uwsgi_sock->proto_close = uwsgi_proto_base_close;
-				if (uwsgi.static_offload_to_thread)
-					uwsgi_sock->can_offload = 1;
-                        }
+		else {
+			uwsgi_sock->proto = uwsgi_proto_uwsgi_parser;
+			uwsgi_sock->proto_accept = uwsgi_proto_base_accept;
+			uwsgi_sock->proto_write = uwsgi_proto_uwsgi_write;
+			uwsgi_sock->proto_writev = uwsgi_proto_uwsgi_writev;
+			uwsgi_sock->proto_write_header = uwsgi_proto_uwsgi_write_header;
+			uwsgi_sock->proto_writev_header = uwsgi_proto_uwsgi_writev_header;
+			uwsgi_sock->proto_sendfile = NULL;
+			uwsgi_sock->proto_close = uwsgi_proto_base_close;
+			if (uwsgi.offload_threads > 0)
+				uwsgi_sock->can_offload = 1;
+		}
 nextsock:
-                        uwsgi_sock = uwsgi_sock->next;
-                }
+		uwsgi_sock = uwsgi_sock->next;
+	}
 
 
 }

core/spooler.c

@@ -13,27 +13,31 @@ static void spooler_manage_task(struct uwsgi_spooler *, char *, char *);
 static uint64_t wakeup = 0;
 
 // function to allow waking up the spooler if blocked in event_wait
-void spooler_wakeup() { wakeup++; }
+void spooler_wakeup() {
+	wakeup++;
+}
 
 void uwsgi_opt_add_spooler(char *opt, char *directory, void *mode) {
 
 	int i;
 	struct uwsgi_spooler *us;
 
-        if (access(directory, R_OK | W_OK | X_OK)) {
-               	uwsgi_error("[spooler directory] access()");
-               	exit(1);
-        }
+	if (access(directory, R_OK | W_OK | X_OK)) {
+		uwsgi_error("[spooler directory] access()");
+		exit(1);
+	}
 
 	if (uwsgi.spooler_numproc > 0) {
-		for(i=0;i<uwsgi.spooler_numproc;i++) {
+		for (i = 0; i < uwsgi.spooler_numproc; i++) {
 			us = uwsgi_new_spooler(directory);
-			if (mode) us->mode = (long) mode;
+			if (mode)
+				us->mode = (long) mode;
 		}
 	}
 	else {
-        	us = uwsgi_new_spooler(directory);
-		if (mode) us->mode = (long) mode;
+		us = uwsgi_new_spooler(directory);
+		if (mode)
+			us->mode = (long) mode;
 	}
 
 }
@@ -41,31 +45,31 @@ void uwsgi_opt_add_spooler(char *opt, char *directory, void *mode) {
 
 struct uwsgi_spooler *uwsgi_new_spooler(char *dir) {
 
-        struct uwsgi_spooler *uspool = uwsgi.spoolers;
+	struct uwsgi_spooler *uspool = uwsgi.spoolers;
 
-        if (!uspool) {
-                uwsgi.spoolers = uwsgi_calloc_shared(sizeof(struct uwsgi_spooler));
-                uspool = uwsgi.spoolers;
-        }
-        else {
-                while(uspool) {
-                        if (uspool->next == NULL) {
-                                uspool->next = uwsgi_calloc_shared(sizeof(struct uwsgi_spooler));
-                                uspool = uspool->next;
-                                break;
-                        }
-                        uspool = uspool->next;
-                }
-        }
+	if (!uspool) {
+		uwsgi.spoolers = uwsgi_calloc_shared(sizeof(struct uwsgi_spooler));
+		uspool = uwsgi.spoolers;
+	}
+	else {
+		while (uspool) {
+			if (uspool->next == NULL) {
+				uspool->next = uwsgi_calloc_shared(sizeof(struct uwsgi_spooler));
+				uspool = uspool->next;
+				break;
+			}
+			uspool = uspool->next;
+		}
+	}
 
-        if (!realpath(dir, uspool->dir)) {
-                uwsgi_error("[spooler] realpath()");
-                exit(1);
-        }
+	if (!realpath(dir, uspool->dir)) {
+		uwsgi_error("[spooler] realpath()");
+		exit(1);
+	}
 
-        uspool->next = NULL;
+	uspool->next = NULL;
 
-        return uspool;
+	return uspool;
 }
 
 
@@ -73,18 +77,18 @@ struct uwsgi_spooler *uwsgi_get_spooler_by_name(char *name) {
 
 	struct uwsgi_spooler *uspool = uwsgi.spoolers;
 
-	while(uspool) {
+	while (uspool) {
 		if (!strcmp(uspool->dir, name)) {
 			return uspool;
 		}
 		uspool = uspool->next;
 	}
-	
+
 	return NULL;
 }
 
-pid_t spooler_start(struct uwsgi_spooler *uspool) {
-	
+pid_t spooler_start(struct uwsgi_spooler * uspool) {
+
 	int i;
 
 	pid_t pid = uwsgi_fork("uWSGI spooler");
@@ -93,8 +97,18 @@ pid_t spooler_start(struct uwsgi_spooler *uspool) {
 		exit(1);
 	}
 	else if (pid == 0) {
+
+		signal(SIGALRM, SIG_IGN);
+                signal(SIGHUP, SIG_IGN);
+                signal(SIGINT, end_me);
+                signal(SIGTERM, end_me);
 		// USR1 will be used to wake up the spooler
 		uwsgi_unix_signal(SIGUSR1, spooler_wakeup);
+                signal(SIGUSR2, SIG_IGN);
+                signal(SIGPIPE, SIG_IGN);
+                signal(SIGSTOP, SIG_IGN);
+                signal(SIGTSTP, SIG_IGN);
+
 		uwsgi.mywid = -1;
 		uwsgi.mypid = getpid();
 		uspool->pid = uwsgi.mypid;
@@ -105,24 +119,24 @@ pid_t spooler_start(struct uwsgi_spooler *uspool) {
 		uwsgi_close_all_sockets();
 
 		for (i = 0; i < 256; i++) {
-                	if (uwsgi.p[i]->post_fork) {
-                        	uwsgi.p[i]->post_fork();
-                	}
-        	}
+			if (uwsgi.p[i]->post_fork) {
+				uwsgi.p[i]->post_fork();
+			}
+		}
 
 		uwsgi.signal_socket = uwsgi.shared->spooler_signal_pipe[1];
 
 		for (i = 0; i < 256; i++) {
-                	if (uwsgi.p[i]->spooler_init) {
-                        	uwsgi.p[i]->spooler_init();
-                	}
-        	}
+			if (uwsgi.p[i]->spooler_init) {
+				uwsgi.p[i]->spooler_init();
+			}
+		}
 
-        	for (i = 0; i < uwsgi.gp_cnt; i++) {
-                	if (uwsgi.gp[i]->spooler_init) {
-                        	uwsgi.gp[i]->spooler_init();
-                	}
-        	}
+		for (i = 0; i < uwsgi.gp_cnt; i++) {
+			if (uwsgi.gp[i]->spooler_init) {
+				uwsgi.gp[i]->spooler_init();
+			}
+		}
 
 		spooler(uspool);
 	}
@@ -137,14 +151,14 @@ void destroy_spool(char *dir, char *file) {
 
 	if (chdir(dir)) {
 		uwsgi_error("chdir()");
-                uwsgi_log("[spooler] something horrible happened to the spooler. Better to kill it.\n");
+		uwsgi_log("[spooler] something horrible happened to the spooler. Better to kill it.\n");
 		exit(1);
 	}
 
 	if (unlink(file)) {
-        	uwsgi_error("unlink()");
-                uwsgi_log("[spooler] something horrible happened to the spooler. Better to kill it.\n");
-                exit(1);
+		uwsgi_error("unlink()");
+		uwsgi_log("[spooler] something horrible happened to the spooler. Better to kill it.\n");
+		exit(1);
 	}
 
 }
@@ -194,7 +208,7 @@ int spool_request(struct uwsgi_spooler *uspool, char *filename, int rn, int core
 
 	// now lock the file, it will no be runnable, until the lock is not removed
 	// a race could come if the spooler take the file before fcntl is called
-        // in such case the spooler will detect a zeroed file and will retry later
+	// in such case the spooler will detect a zeroed file and will retry later
 	if (uwsgi_fcntl_lock(fd)) {
 		close(fd);
 		uwsgi_unlock(uspool->lock);
@@ -217,8 +231,8 @@ int spool_request(struct uwsgi_spooler *uspool, char *filename, int rn, int core
 	}
 
 	if (body && body_len > 0) {
-		if ((size_t)write(fd, body, body_len) != body_len) {
-			goto clear;	
+		if ((size_t) write(fd, body, body_len) != body_len) {
+			goto clear;
 		}
 	}
 
@@ -242,7 +256,7 @@ int spool_request(struct uwsgi_spooler *uspool, char *filename, int rn, int core
 
 	if (!uwsgi.spooler_quiet)
 		uwsgi_log("[spooler] written %d bytes to file %s\n", size + body_len + 4, filename);
-	
+
 	// and here waiting threads can continue
 	uwsgi_unlock(uspool->lock);
 
@@ -252,7 +266,7 @@ int spool_request(struct uwsgi_spooler *uspool, char *filename, int rn, int core
 */
 
 	struct uwsgi_spooler *spoolers = uwsgi.spoolers;
-	while(spoolers) {
+	while (spoolers) {
 		if (!strcmp(spoolers->dir, uspool->dir)) {
 			if (spoolers->pid > 0 && spoolers->running == 0) {
 				(void) kill(spoolers->pid, SIGUSR1);
@@ -264,7 +278,7 @@ int spool_request(struct uwsgi_spooler *uspool, char *filename, int rn, int core
 	return 1;
 
 
-      clear:
+clear:
 	uwsgi_unlock(uspool->lock);
 	uwsgi_error("write()");
 	if (unlink(filename)) {
@@ -364,17 +378,18 @@ static void spooler_scandir(struct uwsgi_spooler *uspool, char *dir) {
 	struct dirent **tasklist;
 	int n;
 
-	if (!dir) dir = uspool->dir;
+	if (!dir)
+		dir = uspool->dir;
 
 	n = scandir(dir, &tasklist, 0, versionsort);
 	if (n < 0) {
 		uwsgi_error("scandir()");
 		return;
 	}
-	
-	while(n--) {
+
+	while (n--) {
 		spooler_manage_task(uspool, dir, tasklist[n]->d_name);
-		free(tasklist[n]);	
+		free(tasklist[n]);
 	}
 
 	free(tasklist);
@@ -387,7 +402,8 @@ static void spooler_readdir(struct uwsgi_spooler *uspool, char *dir) {
 	DIR *sdir;
 	struct dirent *dp;
 
-	if (!dir) dir = uspool->dir;
+	if (!dir)
+		dir = uspool->dir;
 
 	sdir = opendir(dir);
 	if (sdir) {
@@ -412,7 +428,8 @@ void spooler_manage_task(struct uwsgi_spooler *uspool, char *dir, char *task) {
 
 	int spool_fd;
 
-	if (!dir) dir = uspool->dir;
+	if (!dir)
+		dir = uspool->dir;
 
 	if (!strncmp("uwsgi_spoolfile_on_", task, 19) || (uwsgi.spooler_ordered && is_a_number(task))) {
 		struct stat sf_lstat;
@@ -481,16 +498,16 @@ void spooler_manage_task(struct uwsgi_spooler *uspool, char *dir, char *task) {
 
 			if (uwsgi_protected_read(spool_fd, spool_buf, uh.pktsize) != uh.pktsize) {
 				uwsgi_error("read()");
-				destroy_spool(dir, task);	
+				destroy_spool(dir, task);
 				uwsgi_protected_close(spool_fd);
 				return;
-			}			
-					
+			}
+
 			// body available ?
-			if (sf_lstat.st_size > (uh.pktsize+4)) {
-				body_len = sf_lstat.st_size - (uh.pktsize+4);
+			if (sf_lstat.st_size > (uh.pktsize + 4)) {
+				body_len = sf_lstat.st_size - (uh.pktsize + 4);
 				body = uwsgi_malloc(body_len);
-				if ((size_t)uwsgi_protected_read(spool_fd, body, body_len) != body_len) {
+				if ((size_t) uwsgi_protected_read(spool_fd, body, body_len) != body_len) {
 					uwsgi_error("read()");
 					destroy_spool(dir, task);
 					uwsgi_protected_close(spool_fd);
@@ -514,27 +531,28 @@ void spooler_manage_task(struct uwsgi_spooler *uspool, char *dir, char *task) {
 			}
 
 			int callable_found = 0;
-			for(i=0;i<256;i++) {
+			for (i = 0; i < 256; i++) {
 				if (uwsgi.p[i]->spooler) {
 					time_t now = uwsgi_now();
-					if(uwsgi.shared->options[UWSGI_OPTION_SPOOLER_HARAKIRI] > 0) {
-                        			set_spooler_harakiri(uwsgi.shared->options[UWSGI_OPTION_SPOOLER_HARAKIRI]);
-                			}
+					if (uwsgi.shared->options[UWSGI_OPTION_SPOOLER_HARAKIRI] > 0) {
+						set_spooler_harakiri(uwsgi.shared->options[UWSGI_OPTION_SPOOLER_HARAKIRI]);
+					}
 					ret = uwsgi.p[i]->spooler(task, spool_buf, uh.pktsize, body, body_len);
-					if(uwsgi.shared->options[UWSGI_OPTION_SPOOLER_HARAKIRI] > 0) {
-                        			set_spooler_harakiri(0);
-                			}
-					if (ret == 0) continue;
+					if (uwsgi.shared->options[UWSGI_OPTION_SPOOLER_HARAKIRI] > 0) {
+						set_spooler_harakiri(0);
+					}
+					if (ret == 0)
+						continue;
 					callable_found = 1;
 					// increase task counter
 					uspool->tasks++;
 					if (ret == -2) {
 						if (!uwsgi.spooler_quiet)
-							uwsgi_log("[spooler %s pid: %d] done with task %s after %d seconds\n", uspool->dir, (int) uwsgi.mypid, task, uwsgi_now()-now);
-						destroy_spool(dir, task);	
+							uwsgi_log("[spooler %s pid: %d] done with task %s after %d seconds\n", uspool->dir, (int) uwsgi.mypid, task, uwsgi_now() - now);
+						destroy_spool(dir, task);
 					}
 					// re-spool it
-					break;	
+					break;
 				}
 			}
 
@@ -547,15 +565,15 @@ void spooler_manage_task(struct uwsgi_spooler *uspool, char *dir, char *task) {
 
 
 			// need to recycle ?
-                	if (uwsgi.spooler_max_tasks > 0 && uspool->tasks >= (uint64_t)uwsgi.spooler_max_tasks) {
-                        	uwsgi_log("[spooler %s pid: %d] maximum number of tasks reached (%d) recycling ...\n", uspool->dir, (int) uwsgi.mypid, uwsgi.spooler_max_tasks);
-                        	end_me(0);
-                	}
+			if (uwsgi.spooler_max_tasks > 0 && uspool->tasks >= (uint64_t) uwsgi.spooler_max_tasks) {
+				uwsgi_log("[spooler %s pid: %d] maximum number of tasks reached (%d) recycling ...\n", uspool->dir, (int) uwsgi.mypid, uwsgi.spooler_max_tasks);
+				end_me(0);
+			}
 
 
 			if (chdir(dir)) {
-				uwsgi_error("chdir()");		
-                		uwsgi_log("[spooler] something horrible happened to the spooler. Better to kill it.\n");
+				uwsgi_error("chdir()");
+				uwsgi_log("[spooler] something horrible happened to the spooler. Better to kill it.\n");
 				exit(1);
 			}
 

core/sqlite3.c

@@ -10,7 +10,7 @@ static int uwsgi_sqlite3_config_callback(void *magic_table, int field_count, cha
 	if (field_count >= 2) {
 		int value_len = strlen(fields[1]) + 1;
 		char *value = magic_sub(fields[1], value_len, &value_len, (char **) magic_table);
-		add_exported_option( uwsgi_strncopy(fields[0], strlen(fields[0])), value, 0);
+		add_exported_option(uwsgi_strncopy(fields[0], strlen(fields[0])), value, 0);
 	}
 
 	return 0;
@@ -20,7 +20,7 @@ static int uwsgi_sqlite3_config_callback(void *magic_table, int field_count, cha
 void uwsgi_sqlite3_config(char *file, char *magic_table[]) {
 
 	sqlite3 *db;
-	char *err = NULL;		
+	char *err = NULL;
 	char *query = "SELECT * FROM uwsgi";
 
 	char *colon = uwsgi_get_last_char(file, ':');
@@ -28,7 +28,7 @@ void uwsgi_sqlite3_config(char *file, char *magic_table[]) {
 	if (colon) {
 		colon[0] = 0;
 		if (colon[1] != 0) {
-			query = colon+1;
+			query = colon + 1;
 		}
 	}
 

core/stats.c

@@ -25,9 +25,10 @@ int uwsgi_stats_symbol(struct uwsgi_stats *us, char sym) {
 	char *ptr = us->base + us->pos;
 	char *watermark = us->base + us->size;
 
-	if (ptr+1 > watermark) {
+	if (ptr + 1 > watermark) {
 		char *new_base = realloc(us->base, us->size + us->chunk);
-		if (!new_base) return -1;
+		if (!new_base)
+			return -1;
 		us->base = new_base;
 		us->size += us->chunk;
 		ptr = us->base + us->pos;
@@ -42,7 +43,8 @@ int uwsgi_stats_symbol_nl(struct uwsgi_stats *us, char sym) {
 	if (uwsgi_stats_symbol(us, sym)) {
 		return -1;
 	}
-	if (us->minified) return 0;
+	if (us->minified)
+		return 0;
 	return uwsgi_stats_symbol(us, '\n');
 }
 
@@ -52,26 +54,32 @@ int uwsgi_stats_comma(struct uwsgi_stats *us) {
 }
 
 int uwsgi_stats_apply_tabs(struct uwsgi_stats *us) {
-	if (us->minified) return 0;
+	if (us->minified)
+		return 0;
 	size_t i;
-	for(i=0;i<us->tabs;i++) {
-		if (uwsgi_stats_symbol(us, '\t')) return -1;
+	for (i = 0; i < us->tabs; i++) {
+		if (uwsgi_stats_symbol(us, '\t'))
+			return -1;
 	};
 	return 0;
 }
 
 
 int uwsgi_stats_object_open(struct uwsgi_stats *us) {
-	if (uwsgi_stats_apply_tabs(us)) return -1;
-	if (!us->minified) us->tabs++;
+	if (uwsgi_stats_apply_tabs(us))
+		return -1;
+	if (!us->minified)
+		us->tabs++;
 	return uwsgi_stats_symbol_nl(us, '{');
 }
 
 int uwsgi_stats_object_close(struct uwsgi_stats *us) {
 	if (!us->minified) {
-		if (uwsgi_stats_symbol(us, '\n')) return -1;
+		if (uwsgi_stats_symbol(us, '\n'))
+			return -1;
 		us->tabs--;
-		if (uwsgi_stats_apply_tabs(us)) return -1;
+		if (uwsgi_stats_apply_tabs(us))
+			return -1;
 	}
 	return uwsgi_stats_symbol(us, '}');
 }
@@ -83,162 +91,186 @@ int uwsgi_stats_list_open(struct uwsgi_stats *us) {
 
 int uwsgi_stats_list_close(struct uwsgi_stats *us) {
 	if (!us->minified) {
-		if (uwsgi_stats_symbol(us, '\n')) return -1;
+		if (uwsgi_stats_symbol(us, '\n'))
+			return -1;
 		us->tabs--;
-		if (uwsgi_stats_apply_tabs(us)) return -1;
+		if (uwsgi_stats_apply_tabs(us))
+			return -1;
 	}
 	return uwsgi_stats_symbol(us, ']');
 }
 
 int uwsgi_stats_keyval(struct uwsgi_stats *us, char *key, char *value) {
 
-	if (uwsgi_stats_apply_tabs(us)) return -1;
+	if (uwsgi_stats_apply_tabs(us))
+		return -1;
 
 	char *ptr = us->base + us->pos;
 	char *watermark = us->base + us->size;
-	size_t available = watermark - ptr ;
+	size_t available = watermark - ptr;
 
 	int ret = snprintf(ptr, available, "\"%s\":\"%s\"", key, value);
-	if (ret < 0) return -1;
+	if (ret < 0)
+		return -1;
 	while (ret >= (int) available) {
 		char *new_base = realloc(us->base, us->size + us->chunk);
-		if (!new_base) return -1;
+		if (!new_base)
+			return -1;
 		us->base = new_base;
 		us->size += us->chunk;
 		ptr = us->base + us->pos;
 		watermark = us->base + us->size;
-		available = watermark - ptr ;
+		available = watermark - ptr;
 		ret = snprintf(ptr, available, "\"%s\":\"%s\"", key, value);
-		if (ret < 0) return -1;
+		if (ret < 0)
+			return -1;
 	}
 
 	us->pos += ret;
 	return 0;
-	
+
 }
 
 int uwsgi_stats_keyval_comma(struct uwsgi_stats *us, char *key, char *value) {
 	int ret = uwsgi_stats_keyval(us, key, value);
-	if (ret) return -1;
+	if (ret)
+		return -1;
 	return uwsgi_stats_comma(us);
 }
 
 int uwsgi_stats_keyvalnum(struct uwsgi_stats *us, char *key, char *value, unsigned long long num) {
 
-	if (uwsgi_stats_apply_tabs(us)) return -1;
+	if (uwsgi_stats_apply_tabs(us))
+		return -1;
 
-        char *ptr = us->base + us->pos;
-        char *watermark = us->base + us->size;
-        size_t available = watermark - ptr ;
+	char *ptr = us->base + us->pos;
+	char *watermark = us->base + us->size;
+	size_t available = watermark - ptr;
 
-        int ret = snprintf(ptr, available, "\"%s\":\"%s%llu\"", key, value, num);
-        if (ret < 0) return -1;
-        while (ret >= (int) available) {
-                char *new_base = realloc(us->base, us->size + us->chunk);
-                if (!new_base) return -1;
+	int ret = snprintf(ptr, available, "\"%s\":\"%s%llu\"", key, value, num);
+	if (ret < 0)
+		return -1;
+	while (ret >= (int) available) {
+		char *new_base = realloc(us->base, us->size + us->chunk);
+		if (!new_base)
+			return -1;
 		us->base = new_base;
-                us->size += us->chunk;
+		us->size += us->chunk;
 		ptr = us->base + us->pos;
-                watermark = us->base + us->size;
-                available = watermark - ptr ;
-                ret = snprintf(ptr, available, "\"%s\":\"%s%llu\"", key, value, num);
-                if (ret < 0) return -1;
-        }
+		watermark = us->base + us->size;
+		available = watermark - ptr;
+		ret = snprintf(ptr, available, "\"%s\":\"%s%llu\"", key, value, num);
+		if (ret < 0)
+			return -1;
+	}
+
+	us->pos += ret;
+	return 0;
 
-        us->pos += ret;
-        return 0;
-        
 }
 
 int uwsgi_stats_keyvalnum_comma(struct uwsgi_stats *us, char *key, char *value, unsigned long long num) {
-        int ret = uwsgi_stats_keyvalnum(us, key, value, num);
-        if (ret) return -1;
-        return uwsgi_stats_comma(us);
+	int ret = uwsgi_stats_keyvalnum(us, key, value, num);
+	if (ret)
+		return -1;
+	return uwsgi_stats_comma(us);
 }
 
 
 int uwsgi_stats_keyvaln(struct uwsgi_stats *us, char *key, char *value, int vallen) {
 
-	if (uwsgi_stats_apply_tabs(us)) return -1;
+	if (uwsgi_stats_apply_tabs(us))
+		return -1;
 
-        char *ptr = us->base + us->pos;
-        char *watermark = us->base + us->size;
-        size_t available = watermark - ptr ;
+	char *ptr = us->base + us->pos;
+	char *watermark = us->base + us->size;
+	size_t available = watermark - ptr;
 
-        int ret = snprintf(ptr, available, "\"%s\":\"%.*s\"", key, vallen, value);
-        if (ret < 0) return -1;
-        while (ret >= (int) available) {
-                char *new_base = realloc(us->base, us->size + us->chunk);
-                if (!new_base) return -1;
+	int ret = snprintf(ptr, available, "\"%s\":\"%.*s\"", key, vallen, value);
+	if (ret < 0)
+		return -1;
+	while (ret >= (int) available) {
+		char *new_base = realloc(us->base, us->size + us->chunk);
+		if (!new_base)
+			return -1;
 		us->base = new_base;
-                us->size += us->chunk;
+		us->size += us->chunk;
 		ptr = us->base + us->pos;
-                watermark = us->base + us->size;
-                available = watermark - ptr ;
-                ret = snprintf(ptr, available, "\"%s\":\"%.*s\"", key, vallen, value);
-                if (ret < 0) return -1;
-        }
+		watermark = us->base + us->size;
+		available = watermark - ptr;
+		ret = snprintf(ptr, available, "\"%s\":\"%.*s\"", key, vallen, value);
+		if (ret < 0)
+			return -1;
+	}
+
+	us->pos += ret;
+	return 0;
 
-        us->pos += ret;
-        return 0;
-        
 }
 
 int uwsgi_stats_keyvaln_comma(struct uwsgi_stats *us, char *key, char *value, int vallen) {
-        int ret = uwsgi_stats_keyvaln(us, key, value, vallen);
-        if (ret) return -1;
-        return uwsgi_stats_comma(us);
+	int ret = uwsgi_stats_keyvaln(us, key, value, vallen);
+	if (ret)
+		return -1;
+	return uwsgi_stats_comma(us);
 }
 
 
 int uwsgi_stats_key(struct uwsgi_stats *us, char *key) {
 
-	if (uwsgi_stats_apply_tabs(us)) return -1;
+	if (uwsgi_stats_apply_tabs(us))
+		return -1;
 
-        char *ptr = us->base + us->pos;
-        char *watermark = us->base + us->size;
-        size_t available = watermark - ptr ;
+	char *ptr = us->base + us->pos;
+	char *watermark = us->base + us->size;
+	size_t available = watermark - ptr;
 
-        int ret = snprintf(ptr, available, "\"%s\":", key);
-        if (ret < 0) return -1;
-        while (ret >= (int) available) {
-                char *new_base = realloc(us->base, us->size + us->chunk);
-                if (!new_base) return -1;
+	int ret = snprintf(ptr, available, "\"%s\":", key);
+	if (ret < 0)
+		return -1;
+	while (ret >= (int) available) {
+		char *new_base = realloc(us->base, us->size + us->chunk);
+		if (!new_base)
+			return -1;
 		us->base = new_base;
-                us->size += us->chunk;
+		us->size += us->chunk;
 		ptr = us->base + us->pos;
-                watermark = us->base + us->size;
-                available = watermark - ptr ;
-                ret = snprintf(ptr, available, "\"%s\":", key);
-                if (ret < 0) return -1;
-        }
+		watermark = us->base + us->size;
+		available = watermark - ptr;
+		ret = snprintf(ptr, available, "\"%s\":", key);
+		if (ret < 0)
+			return -1;
+	}
 
-        us->pos += ret;
-        return 0;
+	us->pos += ret;
+	return 0;
 }
 
 int uwsgi_stats_str(struct uwsgi_stats *us, char *str) {
 
-        char *ptr = us->base + us->pos;
-        char *watermark = us->base + us->size;
-        size_t available = watermark - ptr ;
+	char *ptr = us->base + us->pos;
+	char *watermark = us->base + us->size;
+	size_t available = watermark - ptr;
 
-        int ret = snprintf(ptr, available, "\"%s\"", str);
-        if (ret < 0) return -1;
-        while (ret >= (int) available) {
-                char *new_base = realloc(us->base, us->size + us->chunk);
-                if (!new_base) return -1;
+	int ret = snprintf(ptr, available, "\"%s\"", str);
+	if (ret < 0)
+		return -1;
+	while (ret >= (int) available) {
+		char *new_base = realloc(us->base, us->size + us->chunk);
+		if (!new_base)
+			return -1;
 		us->base = new_base;
-                us->size += us->chunk;
+		us->size += us->chunk;
 		ptr = us->base + us->pos;
-                watermark = us->base + us->size;
-                available = watermark - ptr ;
-                ret = snprintf(ptr, available, "\"%s\"", str);
-                if (ret < 0) return -1;
-        }
+		watermark = us->base + us->size;
+		available = watermark - ptr;
+		ret = snprintf(ptr, available, "\"%s\"", str);
+		if (ret < 0)
+			return -1;
+	}
 
-        us->pos += ret;
-        return 0;
+	us->pos += ret;
+	return 0;
 }
 
 
@@ -246,87 +278,93 @@ int uwsgi_stats_str(struct uwsgi_stats *us, char *str) {
 
 int uwsgi_stats_keylong(struct uwsgi_stats *us, char *key, unsigned long long num) {
 
-	if (uwsgi_stats_apply_tabs(us)) return -1;
+	if (uwsgi_stats_apply_tabs(us))
+		return -1;
 
-        char *ptr = us->base + us->pos;
-        char *watermark = us->base + us->size;
-        size_t available = watermark - ptr ;
+	char *ptr = us->base + us->pos;
+	char *watermark = us->base + us->size;
+	size_t available = watermark - ptr;
 
-        int ret = snprintf(ptr, available, "\"%s\":%llu", key, num);
-        if (ret < 0) return -1;
-        while (ret >= (int) available) {
-                char *new_base = realloc(us->base, us->size + us->chunk);
-                if (!new_base) return -1;
+	int ret = snprintf(ptr, available, "\"%s\":%llu", key, num);
+	if (ret < 0)
+		return -1;
+	while (ret >= (int) available) {
+		char *new_base = realloc(us->base, us->size + us->chunk);
+		if (!new_base)
+			return -1;
 		us->base = new_base;
-                us->size += us->chunk;
+		us->size += us->chunk;
 		ptr = us->base + us->pos;
-                watermark = us->base + us->size;
-                available = watermark - ptr ;
-                ret = snprintf(ptr, available, "\"%s\":%llu", key, num);
-                if (ret < 0) return -1;
-        }
+		watermark = us->base + us->size;
+		available = watermark - ptr;
+		ret = snprintf(ptr, available, "\"%s\":%llu", key, num);
+		if (ret < 0)
+			return -1;
+	}
 
-        us->pos += ret;
-        return 0;
+	us->pos += ret;
+	return 0;
 }
 
 
 int uwsgi_stats_keylong_comma(struct uwsgi_stats *us, char *key, unsigned long long num) {
 	int ret = uwsgi_stats_keylong(us, key, num);
-	if (ret) return -1;
+	if (ret)
+		return -1;
 	return uwsgi_stats_comma(us);
 }
 
-void uwsgi_send_stats(int fd, struct uwsgi_stats * (*func)(void)) {
+void uwsgi_send_stats(int fd, struct uwsgi_stats *(*func) (void)) {
 
-        struct sockaddr_un client_src;
-        socklen_t client_src_len = 0;
+	struct sockaddr_un client_src;
+	socklen_t client_src_len = 0;
 
-        int client_fd = accept(fd, (struct sockaddr *) &client_src, &client_src_len);
-        if (client_fd < 0) {
-                uwsgi_error("accept()");
-                return;
-        }
+	int client_fd = accept(fd, (struct sockaddr *) &client_src, &client_src_len);
+	if (client_fd < 0) {
+		uwsgi_error("accept()");
+		return;
+	}
 
-        if (uwsgi.stats_http) {
-                if (uwsgi_send_http_stats(client_fd)) {
-                        close(client_fd);
-                        return;
-                }
-        }
+	if (uwsgi.stats_http) {
+		if (uwsgi_send_http_stats(client_fd)) {
+			close(client_fd);
+			return;
+		}
+	}
 
-        struct uwsgi_stats *us = func();
-        if (!us) goto end;
+	struct uwsgi_stats *us = func();
+	if (!us)
+		goto end;
 
-        size_t remains = us->pos;
-        off_t pos = 0;
-        while (remains > 0) {
-                int ret = uwsgi_waitfd_write(client_fd, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT]);
-                if (ret <= 0) {
-                        goto end0;
-                }
-                ssize_t res = write(client_fd, us->base + pos, remains);
-                if (res <= 0) {
-                        if (res < 0) {
-                                uwsgi_error("write()");
-                        }
-                        goto end0;
-                }
-                pos += res;
-                remains -= res;
-        }
+	size_t remains = us->pos;
+	off_t pos = 0;
+	while (remains > 0) {
+		int ret = uwsgi_waitfd_write(client_fd, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT]);
+		if (ret <= 0) {
+			goto end0;
+		}
+		ssize_t res = write(client_fd, us->base + pos, remains);
+		if (res <= 0) {
+			if (res < 0) {
+				uwsgi_error("write()");
+			}
+			goto end0;
+		}
+		pos += res;
+		remains -= res;
+	}
 
 end0:
 	free(us->base);
 	free(us);
 
 end:
-        close(client_fd);
+	close(client_fd);
 }
 
 struct uwsgi_stats_pusher *uwsgi_stats_pusher_get(char *name) {
 	struct uwsgi_stats_pusher *usp = uwsgi.stats_pushers;
-	while(usp) {
+	while (usp) {
 		if (!strcmp(usp->name, name)) {
 			return usp;
 		}
@@ -335,9 +373,9 @@ struct uwsgi_stats_pusher *uwsgi_stats_pusher_get(char *name) {
 	return usp;
 }
 
-void uwsgi_stats_pusher_add(struct uwsgi_stats_pusher *pusher, char *arg) {
+struct uwsgi_stats_pusher_instance * uwsgi_stats_pusher_add(struct uwsgi_stats_pusher *pusher, char *arg) {
 	struct uwsgi_stats_pusher_instance *old_uspi = NULL, *uspi = uwsgi.stats_pusher_instances;
-	while(uspi) {
+	while (uspi) {
 		old_uspi = uspi;
 		uspi = uspi->next;
 	}
@@ -351,12 +389,14 @@ void uwsgi_stats_pusher_add(struct uwsgi_stats_pusher *pusher, char *arg) {
 	else {
 		uwsgi.stats_pusher_instances = uspi;
 	}
+
+	return uspi;
 }
 
 void uwsgi_stats_pusher_loop(struct uwsgi_thread *ut) {
 	void *events = event_queue_alloc(1);
-	for(;;) {
-                int nevents = event_queue_wait_multi(ut->queue, 1, events, 1);
+	for (;;) {
+		int nevents = event_queue_wait_multi(ut->queue, 1, events, 1);
 		if (nevents > 0) {
 			int interesting_fd = event_queue_interesting_fd(events, 0);
 			char buf[4096];
@@ -372,14 +412,19 @@ void uwsgi_stats_pusher_loop(struct uwsgi_thread *ut) {
 		time_t now = uwsgi_now();
 		struct uwsgi_stats_pusher_instance *uspi = uwsgi.stats_pusher_instances;
 		struct uwsgi_stats *us = NULL;
-		while(uspi) {
-			int delta = uspi->freq ? uspi->freq  : uwsgi.stats_pusher_default_freq;
-			if ( (uspi->last_run + delta) <= now) {
-				if (!us) {
-					us = uwsgi_master_generate_stats();
-					if (!us) goto next;
-				}	
-				uspi->pusher->func(uspi, us->base, us->pos);
+		while (uspi) {
+			int delta = uspi->freq ? uspi->freq : uwsgi.stats_pusher_default_freq;
+			if ((uspi->last_run + delta) <= now) {
+				if (uspi->raw) {
+					uspi->pusher->func(uspi, now, NULL, 0);
+				}
+				else {
+					if (!us) {
+						us = uwsgi_master_generate_stats();
+						if (!us) goto next;
+					}
+					uspi->pusher->func(uspi, now, us->base, us->pos);
+				}
 				uspi->last_run = now;
 			}
 next:
@@ -395,7 +440,7 @@ next:
 
 void uwsgi_stats_pusher_setup() {
 	struct uwsgi_string_list *usl = uwsgi.requested_stats_pushers;
-	while(usl) {
+	while (usl) {
 		char *ssp = uwsgi_str(usl->value);
 		struct uwsgi_stats_pusher *pusher = NULL;
 		char *colon = strchr(ssp, ':');
@@ -409,7 +454,7 @@ void uwsgi_stats_pusher_setup() {
 		}
 		char *arg = NULL;
 		if (colon) {
-			arg = colon+1;
+			arg = colon + 1;
 			*colon = ':';
 		}
 		uwsgi_stats_pusher_add(pusher, arg);
@@ -417,11 +462,11 @@ void uwsgi_stats_pusher_setup() {
 	}
 }
 
-void uwsgi_register_stats_pusher(char *name, void(*func) (struct uwsgi_stats_pusher_instance *, char *, size_t)) {
+struct uwsgi_stats_pusher *uwsgi_register_stats_pusher(char *name, void (*func) (struct uwsgi_stats_pusher_instance *, time_t, char *, size_t)) {
 
-        struct uwsgi_stats_pusher *pusher = uwsgi.stats_pushers, *old_pusher = NULL;
+	struct uwsgi_stats_pusher *pusher = uwsgi.stats_pushers, *old_pusher = NULL;
 
-	while(pusher) {
+	while (pusher) {
 		old_pusher = pusher;
 		pusher = pusher->next;
 	}
@@ -436,6 +481,8 @@ void uwsgi_register_stats_pusher(char *name, void(*func) (struct uwsgi_stats_pus
 	else {
 		uwsgi.stats_pushers = pusher;
 	}
+
+	return pusher;
 }
 
 struct uwsgi_stats_pusher_file_conf {
@@ -444,22 +491,22 @@ struct uwsgi_stats_pusher_file_conf {
 	char *separator;
 };
 
-void uwsgi_stats_pusher_file(struct uwsgi_stats_pusher_instance *uspi, char *json, size_t json_len) {
+void uwsgi_stats_pusher_file(struct uwsgi_stats_pusher_instance *uspi, time_t now, char *json, size_t json_len) {
 	struct uwsgi_stats_pusher_file_conf *uspic = (struct uwsgi_stats_pusher_file_conf *) uspi->data;
 	if (!uspi->configured) {
 		uspic = uwsgi_calloc(sizeof(struct uwsgi_stats_pusher_file_conf));
 		if (uspi->arg) {
-                	if (uwsgi_kvlist_parse(uspi->arg, strlen(uspi->arg), ',', '=',
-                        	"path", &uspic->path,
-                        	"separator", &uspic->separator,
-                        	"freq", &uspic->freq, NULL)) {
-                        	free(uspi);
-                        	return;
-                	}
+			if (uwsgi_kvlist_parse(uspi->arg, strlen(uspi->arg), ',', '=', "path", &uspic->path, "separator", &uspic->separator, "freq", &uspic->freq, NULL)) {
+				free(uspi);
+				return;
+			}
 		}
-                if (!uspic->path) uspic->path = "uwsgi.stats";
-                if (!uspic->separator) uspic->separator = "\n\n";
-		if (uspic->freq) uspi->freq = atoi(uspic->freq);
+		if (!uspic->path)
+			uspic->path = "uwsgi.stats";
+		if (!uspic->separator)
+			uspic->separator = "\n\n";
+		if (uspic->freq)
+			uspi->freq = atoi(uspic->freq);
 		uspi->configured = 1;
 		uspi->data = uspic;
 	}
@@ -475,7 +522,7 @@ void uwsgi_stats_pusher_file(struct uwsgi_stats_pusher_instance *uspi, char *jso
 	}
 
 	rlen = write(fd, uspic->separator, strlen(uspic->separator));
-	if (rlen != (ssize_t ) strlen(uspic->separator)) {
+	if (rlen != (ssize_t) strlen(uspic->separator)) {
 		uwsgi_error("uwsgi_stats_pusher_file() -> write()\n");
 	}
 

core/subscription.c

@@ -22,17 +22,18 @@ extern struct uwsgi_server uwsgi;
 
 struct uwsgi_subscribe_slot *uwsgi_get_subscribe_slot(struct uwsgi_subscribe_slot **slot, char *key, uint16_t keylen) {
 
-	if (keylen > 0xff) return NULL;
-	
+	if (keylen > 0xff)
+		return NULL;
+
 	uint32_t hash = djb33x_hash(key, keylen);
 	int hash_key = hash % 0xffff;
 
 	struct uwsgi_subscribe_slot *current_slot = slot[hash_key];
 
-	
+
 #ifdef UWSGI_DEBUG
 	uwsgi_log("****************************\n");
-	while(current_slot) {
+	while (current_slot) {
 		uwsgi_log("slot %.*s %d\n", current_slot->keylen, current_slot->key, current_slot->hits);
 		current_slot = current_slot->next;
 	}
@@ -40,15 +41,15 @@ struct uwsgi_subscribe_slot *uwsgi_get_subscribe_slot(struct uwsgi_subscribe_slo
 	current_slot = slot[hash_key];
 #endif
 
-	while(current_slot) {
+	while (current_slot) {
 		if (!uwsgi_strncmp(key, keylen, current_slot->key, current_slot->keylen)) {
-                	// auto optimization
-                       	if (current_slot->prev) {
-                                if (current_slot->hits > current_slot->prev->hits) {
-                                        struct uwsgi_subscribe_slot *slot_parent = current_slot->prev->prev, *slot_prev = current_slot->prev;
-                                        if (slot_parent) {
-       	                                	slot_parent->next = current_slot;
-                                        }
+			// auto optimization
+			if (current_slot->prev) {
+				if (current_slot->hits > current_slot->prev->hits) {
+					struct uwsgi_subscribe_slot *slot_parent = current_slot->prev->prev, *slot_prev = current_slot->prev;
+					if (slot_parent) {
+						slot_parent->next = current_slot;
+					}
 					else {
 						slot[hash_key] = current_slot;
 					}
@@ -57,33 +58,35 @@ struct uwsgi_subscribe_slot *uwsgi_get_subscribe_slot(struct uwsgi_subscribe_slo
 						current_slot->next->prev = slot_prev;
 					}
 
-                                        slot_prev->prev = current_slot;
-                                        slot_prev->next = current_slot->next;
+					slot_prev->prev = current_slot;
+					slot_prev->next = current_slot->next;
 
-                                        current_slot->next = slot_prev;
+					current_slot->next = slot_prev;
 					current_slot->prev = slot_parent;
 
-                       		}
-                       	}
+				}
+			}
 			return current_slot;
 		}
 		current_slot = current_slot->next;
 		// check for loopy optimization
-		if (current_slot == slot[hash_key]) break;
+		if (current_slot == slot[hash_key])
+			break;
 	}
 
-        return NULL;
+	return NULL;
 }
 
 // least reference count
 static struct uwsgi_subscribe_node *uwsgi_subscription_algo_lrc(struct uwsgi_subscribe_slot *current_slot, struct uwsgi_subscribe_node *node) {
 	// if node is NULL we are in the second step (in lrc mode we do not use the first step)
-	if (node) return NULL;
+	if (node)
+		return NULL;
 
 	struct uwsgi_subscribe_node *choosen_node = NULL;
 	node = current_slot->nodes;
 	uint64_t min_rc = 0;
-	while(node) {
+	while (node) {
 		if (!node->death_mark) {
 			if (min_rc == 0 || node->reference < min_rc) {
 				min_rc = node->reference;
@@ -105,12 +108,13 @@ static struct uwsgi_subscribe_node *uwsgi_subscription_algo_lrc(struct uwsgi_sub
 // weighted least reference count
 static struct uwsgi_subscribe_node *uwsgi_subscription_algo_wlrc(struct uwsgi_subscribe_slot *current_slot, struct uwsgi_subscribe_node *node) {
 	// if node is NULL we are in the second step (in wlrc mode we do not use the first step)
-	if (node) return NULL;
+	if (node)
+		return NULL;
 
 	struct uwsgi_subscribe_node *choosen_node = NULL;
 	node = current_slot->nodes;
 	double min_rc = 0;
-	while(node) {
+	while (node) {
 		if (!node->death_mark) {
 			// node->weight is always >= 1, we can safely use it as divider
 			double ref = (double) node->reference / (double) node->weight;
@@ -140,55 +144,57 @@ static struct uwsgi_subscribe_node *uwsgi_subscription_algo_wrr(struct uwsgi_sub
 	// if node is NULL we are in the second step
 	if (node) {
 		if (node->death_mark == 0 && node->wrr > 0) {
-                	node->wrr--;
-                        node->reference++;
-                        return node;
-                }
+			node->wrr--;
+			node->reference++;
+			return node;
+		}
 		return NULL;
 	}
 
 	// no wrr > 0 node found, reset them
-        node = current_slot->nodes;
-        uint64_t min_weight = 0;
-        while(node) {
-        	if (!node->death_mark) {
-                	if (min_weight == 0 || node->weight < min_weight) min_weight = node->weight;
-                }
-                node = node->next;
+	node = current_slot->nodes;
+	uint64_t min_weight = 0;
+	while (node) {
+		if (!node->death_mark) {
+			if (min_weight == 0 || node->weight < min_weight)
+				min_weight = node->weight;
+		}
+		node = node->next;
 	}
 
-        // now set wrr
-        node = current_slot->nodes;
-        struct uwsgi_subscribe_node *choosen_node = NULL;
-        while(node) {
-        	if (!node->death_mark) {
-                	node->wrr = node->weight/min_weight;
-                	choosen_node = node;
-                }
-                node = node->next;
+	// now set wrr
+	node = current_slot->nodes;
+	struct uwsgi_subscribe_node *choosen_node = NULL;
+	while (node) {
+		if (!node->death_mark) {
+			node->wrr = node->weight / min_weight;
+			choosen_node = node;
+		}
+		node = node->next;
 	}
-        if (choosen_node) {
-        	choosen_node->wrr--;
-                choosen_node->reference++;
+	if (choosen_node) {
+		choosen_node->wrr--;
+		choosen_node->reference++;
 	}
-        return choosen_node;
+	return choosen_node;
 }
 
 void uwsgi_subscription_set_algo(char *algo) {
 
-	if (!algo) goto wrr;
+	if (!algo)
+		goto wrr;
 
-	if (!strcmp(algo,"wrr")) {
+	if (!strcmp(algo, "wrr")) {
 		uwsgi.subscription_algo = uwsgi_subscription_algo_wrr;
 		return;
 	}
 
-	if (!strcmp(algo,"lrc")) {
+	if (!strcmp(algo, "lrc")) {
 		uwsgi.subscription_algo = uwsgi_subscription_algo_lrc;
 		return;
 	}
 
-	if (!strcmp(algo,"wlrc")) {
+	if (!strcmp(algo, "wlrc")) {
 		uwsgi.subscription_algo = uwsgi_subscription_algo_wlrc;
 		return;
 	}
@@ -199,16 +205,18 @@ wrr:
 
 struct uwsgi_subscribe_node *uwsgi_get_subscribe_node(struct uwsgi_subscribe_slot **slot, char *key, uint16_t keylen) {
 
-	if (keylen > 0xff) return NULL;
+	if (keylen > 0xff)
+		return NULL;
 
 	struct uwsgi_subscribe_slot *current_slot = uwsgi_get_subscribe_slot(slot, key, keylen);
-	if (!current_slot) return NULL;
+	if (!current_slot)
+		return NULL;
 
 	// slot found, move up in the list increasing hits
 	current_slot->hits++;
 	time_t now = uwsgi_now();
 	struct uwsgi_subscribe_node *node = current_slot->nodes;
-	while(node) {
+	while (node) {
 		// is the node alive ?
 		if (now - node->last_check > uwsgi.subscription_tolerance) {
 			if (node->death_mark == 0)
@@ -229,7 +237,8 @@ struct uwsgi_subscribe_node *uwsgi_get_subscribe_node(struct uwsgi_subscribe_slo
 		}
 
 		struct uwsgi_subscribe_node *choosen_node = uwsgi.subscription_algo(current_slot, node);
-		if (choosen_node) return choosen_node;
+		if (choosen_node)
+			return choosen_node;
 
 		node = node->next;
 	}
@@ -239,14 +248,15 @@ struct uwsgi_subscribe_node *uwsgi_get_subscribe_node(struct uwsgi_subscribe_slo
 
 struct uwsgi_subscribe_node *uwsgi_get_subscribe_node_by_name(struct uwsgi_subscribe_slot **slot, char *key, uint16_t keylen, char *val, uint16_t vallen) {
 
-	if (keylen > 0xff) return NULL;
+	if (keylen > 0xff)
+		return NULL;
 	struct uwsgi_subscribe_slot *current_slot = uwsgi_get_subscribe_slot(slot, key, keylen);
 	if (current_slot) {
 		struct uwsgi_subscribe_node *node = current_slot->nodes;
-		while(node) {
+		while (node) {
 			if (!uwsgi_strncmp(val, vallen, node->name, node->len)) {
 				return node;
-			}			
+			}
 			node = node->next;
 		}
 	}
@@ -273,7 +283,7 @@ int uwsgi_remove_subscribe_node(struct uwsgi_subscribe_slot **slot, struct uwsgi
 	}
 	else {
 		a_node = node_slot->nodes;
-		while(a_node) {
+		while (a_node) {
 			if (a_node->next == node) {
 				a_node->next = node->next;
 				break;
@@ -291,10 +301,10 @@ int uwsgi_remove_subscribe_node(struct uwsgi_subscribe_slot **slot, struct uwsgi
 		// first check if i am the only node
 		if ((!prev_slot && !next_slot) || next_slot == node_slot) {
 #ifdef UWSGI_SSL
-		if (uwsgi.subscriptions_sign_check_dir) {
-			EVP_PKEY_free(node_slot->sign_public_key);
-			EVP_MD_CTX_destroy(node_slot->sign_ctx);		
-		}
+			if (uwsgi.subscriptions_sign_check_dir) {
+				EVP_PKEY_free(node_slot->sign_public_key);
+				EVP_MD_CTX_destroy(node_slot->sign_ctx);
+			}
 #endif
 			free(node_slot);
 			slot[hash_key] = NULL;
@@ -305,9 +315,9 @@ int uwsgi_remove_subscribe_node(struct uwsgi_subscribe_slot **slot, struct uwsgi
 		if (node_slot == slot[hash_key]) {
 			slot[hash_key] = next_slot;
 		}
-			
-		if (prev_slot) {	
-			prev_slot->next = next_slot;	
+
+		if (prev_slot) {
+			prev_slot->next = next_slot;
 		}
 		if (next_slot) {
 			next_slot->prev = prev_slot;
@@ -316,7 +326,7 @@ int uwsgi_remove_subscribe_node(struct uwsgi_subscribe_slot **slot, struct uwsgi
 #ifdef UWSGI_SSL
 		if (uwsgi.subscriptions_sign_check_dir) {
 			EVP_PKEY_free(node_slot->sign_public_key);
-			EVP_MD_CTX_destroy(node_slot->sign_ctx);		
+			EVP_MD_CTX_destroy(node_slot->sign_ctx);
 		}
 #endif
 		free(node_slot);
@@ -332,46 +342,49 @@ struct uwsgi_subscribe_node *uwsgi_add_subscribe_node(struct uwsgi_subscribe_slo
 	struct uwsgi_subscribe_slot *current_slot = uwsgi_get_subscribe_slot(slot, usr->key, usr->keylen), *old_slot = NULL, *a_slot;
 	struct uwsgi_subscribe_node *node, *old_node = NULL;
 
-	if (usr->address_len > 0xff || usr->address_len == 0) return NULL;
+	if (usr->address_len > 0xff || usr->address_len == 0)
+		return NULL;
 
 #ifdef UWSGI_SSL
 	if (uwsgi.subscriptions_sign_check_dir) {
-		if (usr->sign_len == 0 || usr->base_len == 0) return NULL;
+		if (usr->sign_len == 0 || usr->base_len == 0)
+			return NULL;
 	}
 #endif
 
-        if (current_slot) {
+	if (current_slot) {
 #ifdef UWSGI_SSL
 		if (uwsgi.subscriptions_sign_check_dir && !uwsgi_subscription_sign_check(current_slot, usr)) {
 			return NULL;
 		}
 #endif
 		node = current_slot->nodes;
-		while(node) {
-                        if (!uwsgi_strncmp(node->name, node->len, usr->address, usr->address_len)) {
+		while (node) {
+			if (!uwsgi_strncmp(node->name, node->len, usr->address, usr->address_len)) {
 #ifdef UWSGI_SSL
 				// this should avoid sending sniffed packets...
 				if (uwsgi.subscriptions_sign_check_dir && usr->unix_check <= node->unix_check) {
-                			uwsgi_log("[uwsgi-subscription for pid %d] invalid (sniffed ?) packet sent for slot: %.*s node: %.*s unix_check: %lu\n",(int) uwsgi.mypid, usr->keylen, usr->key, usr->address_len, usr->address, (unsigned long) usr->unix_check);
+					uwsgi_log("[uwsgi-subscription for pid %d] invalid (sniffed ?) packet sent for slot: %.*s node: %.*s unix_check: %lu\n", (int) uwsgi.mypid, usr->keylen, usr->key, usr->address_len, usr->address, (unsigned long) usr->unix_check);
 					return NULL;
 				}
 #endif
 				// remove death mark and update cores and load
 				node->death_mark = 0;
-                                node->last_check = uwsgi_now();
+				node->last_check = uwsgi_now();
 				node->cores = usr->cores;
 				node->load = usr->load;
 				node->weight = usr->weight;
-				if (!node->weight) node->weight = 1;
-                                return node;
-                        }
+				if (!node->weight)
+					node->weight = 1;
+				return node;
+			}
 			old_node = node;
 			node = node->next;
-                }
+		}
 
 #ifdef UWSGI_SSL
-		if (uwsgi.subscriptions_sign_check_dir && usr->unix_check < (uwsgi_now()-(time_t)uwsgi.subscriptions_sign_check_tolerance)) {
-			uwsgi_log("[uwsgi-subscription for pid %d] invalid (sniffed ?) packet sent for slot: %.*s node: %.*s unix_check: %lu\n",(int) uwsgi.mypid, usr->keylen, usr->key, usr->address_len, usr->address, (unsigned long) usr->unix_check);
+		if (uwsgi.subscriptions_sign_check_dir && usr->unix_check < (uwsgi_now() - (time_t) uwsgi.subscriptions_sign_check_tolerance)) {
+			uwsgi_log("[uwsgi-subscription for pid %d] invalid (sniffed ?) packet sent for slot: %.*s node: %.*s unix_check: %lu\n", (int) uwsgi.mypid, usr->keylen, usr->key, usr->address_len, usr->address, (unsigned long) usr->unix_check);
 			return NULL;
 		}
 #endif
@@ -389,36 +402,38 @@ struct uwsgi_subscribe_node *uwsgi_add_subscribe_node(struct uwsgi_subscribe_slo
 		node->load = usr->load;
 		node->weight = usr->weight;
 		node->unix_check = usr->unix_check;
-		if (!node->weight) node->weight = 1;
+		if (!node->weight)
+			node->weight = 1;
 		node->wrr = 0;
 		node->last_check = uwsgi_now();
 		node->slot = current_slot;
-                memcpy(node->name, usr->address, usr->address_len);
+		memcpy(node->name, usr->address, usr->address_len);
 		if (old_node) {
 			old_node->next = node;
 		}
 		node->next = NULL;
-                uwsgi_log("[uwsgi-subscription for pid %d] %.*s => new node: %.*s\n",(int) uwsgi.mypid, usr->keylen, usr->key, usr->address_len, usr->address);
-                return node;
-        }
-        else {
+		uwsgi_log("[uwsgi-subscription for pid %d] %.*s => new node: %.*s\n", (int) uwsgi.mypid, usr->keylen, usr->key, usr->address_len, usr->address);
+		return node;
+	}
+	else {
 #ifdef UWSGI_SSL
 		FILE *kf = NULL;
 		if (uwsgi.subscriptions_sign_check_dir) {
-			if (usr->unix_check < (uwsgi_now()-(time_t)uwsgi.subscriptions_sign_check_tolerance)) {
-				uwsgi_log("[uwsgi-subscription for pid %d] invalid (sniffed ?) packet sent for slot: %.*s node: %.*s unix_check: %lu\n",(int) uwsgi.mypid, usr->keylen, usr->key, usr->address_len, usr->address, (unsigned long) usr->unix_check);
+			if (usr->unix_check < (uwsgi_now() - (time_t) uwsgi.subscriptions_sign_check_tolerance)) {
+				uwsgi_log("[uwsgi-subscription for pid %d] invalid (sniffed ?) packet sent for slot: %.*s node: %.*s unix_check: %lu\n", (int) uwsgi.mypid, usr->keylen, usr->key, usr->address_len, usr->address, (unsigned long) usr->unix_check);
 				return NULL;
 			}
 			char *keyfile = uwsgi_sanitize_cert_filename(uwsgi.subscriptions_sign_check_dir, usr->key, usr->keylen);
 			kf = fopen(keyfile, "r");
 			free(keyfile);
-			if (!kf) return NULL;
-		
+			if (!kf)
+				return NULL;
+
 		}
 #endif
 		current_slot = uwsgi_malloc(sizeof(struct uwsgi_subscribe_slot));
 		uint32_t hash = djb33x_hash(usr->key, usr->keylen);
-        	int hash_key = hash % 0xffff;
+		int hash_key = hash % 0xffff;
 		current_slot->hash = hash_key;
 #ifdef UWSGI_SSL
 		if (uwsgi.subscriptions_sign_check_dir) {
@@ -464,7 +479,8 @@ struct uwsgi_subscribe_node *uwsgi_add_subscribe_node(struct uwsgi_subscribe_slo
 		current_slot->nodes->load = usr->load;
 		current_slot->nodes->weight = usr->weight;
 		current_slot->nodes->unix_check = usr->unix_check;
-		if (!current_slot->nodes->weight) current_slot->nodes->weight = 1;
+		if (!current_slot->nodes->weight)
+			current_slot->nodes->weight = 1;
 		current_slot->nodes->wrr = 0;
 		memcpy(current_slot->nodes->name, usr->address, usr->address_len);
 		current_slot->nodes->last_check = uwsgi_now();
@@ -472,7 +488,7 @@ struct uwsgi_subscribe_node *uwsgi_add_subscribe_node(struct uwsgi_subscribe_slo
 		current_slot->nodes->next = NULL;
 
 		a_slot = slot[hash_key];
-		while(a_slot) {
+		while (a_slot) {
 			old_slot = a_slot;
 			a_slot = a_slot->next;
 		}
@@ -490,10 +506,10 @@ struct uwsgi_subscribe_node *uwsgi_add_subscribe_node(struct uwsgi_subscribe_slo
 			slot[hash_key] = current_slot;
 		}
 
-		uwsgi_log("[uwsgi-subscription for pid %d] new pool: %.*s (hash key: %d)\n",(int) uwsgi.mypid, usr->keylen, usr->key, current_slot->hash);
-		uwsgi_log("[uwsgi-subscription for pid %d] %.*s => new node: %.*s\n",(int) uwsgi.mypid, usr->keylen, usr->key, usr->address_len, usr->address);
-                return current_slot->nodes;
-        }
+		uwsgi_log("[uwsgi-subscription for pid %d] new pool: %.*s (hash key: %d)\n", (int) uwsgi.mypid, usr->keylen, usr->key, current_slot->hash);
+		uwsgi_log("[uwsgi-subscription for pid %d] %.*s => new node: %.*s\n", (int) uwsgi.mypid, usr->keylen, usr->key, usr->address_len, usr->address);
+		return current_slot->nodes;
+	}
 
 }
 
@@ -501,18 +517,18 @@ struct uwsgi_subscribe_node *uwsgi_add_subscribe_node(struct uwsgi_subscribe_slo
 // TODO rewrite it using uwsgi buffers
 void uwsgi_send_subscription(char *udp_address, char *key, size_t keysize, uint8_t modifier1, uint8_t modifier2, uint8_t cmd, char *socket_name, char *sign) {
 
-	char value_cores[sizeof(UMAX64_STR)+1];
-	char value_load[sizeof(UMAX64_STR)+1];
-	char value_weight[sizeof(UMAX64_STR)+1];
+	char value_cores[sizeof(UMAX64_STR) + 1];
+	char value_load[sizeof(UMAX64_STR) + 1];
+	char value_weight[sizeof(UMAX64_STR) + 1];
 
 
-	int value_cores_size = uwsgi_long2str2n(uwsgi.numproc*uwsgi.cores, value_cores, sizeof(UMAX64_STR));
+	int value_cores_size = uwsgi_long2str2n(uwsgi.numproc * uwsgi.cores, value_cores, sizeof(UMAX64_STR));
 	int value_load_size = uwsgi_long2str2n(uwsgi.shared->load, value_load, sizeof(UMAX64_STR));
 
 	int value_weight_size = 0;
-	
+
 	if (uwsgi.auto_weight) {
-		value_weight_size = uwsgi_long2str2n(uwsgi.numproc*uwsgi.cores, value_weight, sizeof(UMAX64_STR));
+		value_weight_size = uwsgi_long2str2n(uwsgi.numproc * uwsgi.cores, value_weight, sizeof(UMAX64_STR));
 	}
 	else {
 		value_weight_size = uwsgi_long2str2n(uwsgi.weight, value_weight, sizeof(UMAX64_STR));
@@ -523,149 +539,149 @@ void uwsgi_send_subscription(char *udp_address, char *key, size_t keysize, uint8
 	int value_modifier1_size = uwsgi_long2str2n(modifier1, value_modifier1, 3);
 	int value_modifier2_size = uwsgi_long2str2n(modifier2, value_modifier2, 3);
 
-	if (socket_name == NULL && !uwsgi.sockets) return;
+	if (socket_name == NULL && !uwsgi.sockets)
+		return;
 
 	if (!socket_name) {
 		socket_name = uwsgi.sockets->name;
 	}
 
-	size_t ssb_size = 4 + (2 + 3) + (2 + keysize) + (2 + 7) + (2 + strlen(socket_name)) + (2+9 + 2+value_modifier1_size) +
-		(2+9 + 2+value_modifier2_size) + (2+5 + 2+value_cores_size) + (2+4 + 2+value_load_size) + (2+6 + 2+value_weight_size);
+	size_t ssb_size = 4 + (2 + 3) + (2 + keysize) + (2 + 7) + (2 + strlen(socket_name)) + (2 + 9 + 2 + value_modifier1_size) + (2 + 9 + 2 + value_modifier2_size) + (2 + 5 + 2 + value_cores_size) + (2 + 4 + 2 + value_load_size) + (2 + 6 + 2 + value_weight_size);
 
-        char *subscrbuf = uwsgi_malloc(ssb_size);
+	char *subscrbuf = uwsgi_malloc(ssb_size);
 	// leave space for uwsgi header
-        char *ssb = subscrbuf+4;
+	char *ssb = subscrbuf + 4;
 
 	// key = "domain"
-        uint16_t ustrlen = 3;
-        *ssb++ = (uint8_t) (ustrlen  & 0xff);
-        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-        memcpy(ssb, "key", ustrlen);
-        ssb+=ustrlen;
+	uint16_t ustrlen = 3;
+	*ssb++ = (uint8_t) (ustrlen & 0xff);
+	*ssb++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ssb, "key", ustrlen);
+	ssb += ustrlen;
 
-        ustrlen = keysize;
-        *ssb++ = (uint8_t) (ustrlen  & 0xff);
-        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-        memcpy(ssb, key, ustrlen);
-        ssb+=ustrlen;
+	ustrlen = keysize;
+	*ssb++ = (uint8_t) (ustrlen & 0xff);
+	*ssb++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ssb, key, ustrlen);
+	ssb += ustrlen;
 
 	// address = "first uwsgi socket"
-        ustrlen = 7;
-        *ssb++ = (uint8_t) (ustrlen  & 0xff);
-        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-        memcpy(ssb, "address", ustrlen);
-        ssb+=ustrlen;
+	ustrlen = 7;
+	*ssb++ = (uint8_t) (ustrlen & 0xff);
+	*ssb++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ssb, "address", ustrlen);
+	ssb += ustrlen;
 
-        ustrlen = strlen(socket_name);
-        *ssb++ = (uint8_t) (ustrlen  & 0xff);
-        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-        memcpy(ssb, socket_name, ustrlen);
-        ssb+=ustrlen;
+	ustrlen = strlen(socket_name);
+	*ssb++ = (uint8_t) (ustrlen & 0xff);
+	*ssb++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ssb, socket_name, ustrlen);
+	ssb += ustrlen;
 
 	// modifier1 = "modifier1"
-        ustrlen = 9;
-        *ssb++ = (uint8_t) (ustrlen  & 0xff);
-        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-        memcpy(ssb, "modifier1", ustrlen);
-        ssb+=ustrlen;
+	ustrlen = 9;
+	*ssb++ = (uint8_t) (ustrlen & 0xff);
+	*ssb++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ssb, "modifier1", ustrlen);
+	ssb += ustrlen;
 
-        ustrlen = value_modifier1_size;
-        *ssb++ = (uint8_t) (ustrlen  & 0xff);
-        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-        memcpy(ssb, value_modifier1, value_modifier1_size);
-        ssb+=ustrlen;
+	ustrlen = value_modifier1_size;
+	*ssb++ = (uint8_t) (ustrlen & 0xff);
+	*ssb++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ssb, value_modifier1, value_modifier1_size);
+	ssb += ustrlen;
 
 	// modifier2 = "modifier2"
-        ustrlen = 9;
-        *ssb++ = (uint8_t) (ustrlen  & 0xff);
-        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-        memcpy(ssb, "modifier2", ustrlen);
-        ssb+=ustrlen;
+	ustrlen = 9;
+	*ssb++ = (uint8_t) (ustrlen & 0xff);
+	*ssb++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ssb, "modifier2", ustrlen);
+	ssb += ustrlen;
 
-        ustrlen = value_modifier2_size;
-        *ssb++ = (uint8_t) (ustrlen  & 0xff);
-        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-        memcpy(ssb, value_modifier2, value_modifier2_size);
-        ssb+=ustrlen;
+	ustrlen = value_modifier2_size;
+	*ssb++ = (uint8_t) (ustrlen & 0xff);
+	*ssb++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ssb, value_modifier2, value_modifier2_size);
+	ssb += ustrlen;
 
 	// cores = uwsgi.numproc * uwsgi.cores
-        ustrlen = 5;
-        *ssb++ = (uint8_t) (ustrlen  & 0xff);
-        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-        memcpy(ssb, "cores", ustrlen);
-        ssb+=ustrlen;
+	ustrlen = 5;
+	*ssb++ = (uint8_t) (ustrlen & 0xff);
+	*ssb++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ssb, "cores", ustrlen);
+	ssb += ustrlen;
 
-        ustrlen = value_cores_size;
-        *ssb++ = (uint8_t) (ustrlen  & 0xff);
-        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-        memcpy(ssb, value_cores, value_cores_size);
-        ssb+=ustrlen;
+	ustrlen = value_cores_size;
+	*ssb++ = (uint8_t) (ustrlen & 0xff);
+	*ssb++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ssb, value_cores, value_cores_size);
+	ssb += ustrlen;
 
 	// load
-        ustrlen = 4;
-        *ssb++ = (uint8_t) (ustrlen  & 0xff);
-        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-        memcpy(ssb, "load", ustrlen);
-        ssb+=ustrlen;
+	ustrlen = 4;
+	*ssb++ = (uint8_t) (ustrlen & 0xff);
+	*ssb++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ssb, "load", ustrlen);
+	ssb += ustrlen;
 
-        ustrlen = value_load_size;
-        *ssb++ = (uint8_t) (ustrlen  & 0xff);
-        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-        memcpy(ssb, value_load, value_load_size);
-        ssb+=ustrlen;
+	ustrlen = value_load_size;
+	*ssb++ = (uint8_t) (ustrlen & 0xff);
+	*ssb++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ssb, value_load, value_load_size);
+	ssb += ustrlen;
 
 	// weight
-        ustrlen = 6;
-        *ssb++ = (uint8_t) (ustrlen  & 0xff);
-        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-        memcpy(ssb, "weight", ustrlen);
-        ssb+=ustrlen;
+	ustrlen = 6;
+	*ssb++ = (uint8_t) (ustrlen & 0xff);
+	*ssb++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ssb, "weight", ustrlen);
+	ssb += ustrlen;
 
-        ustrlen = value_weight_size;
-        *ssb++ = (uint8_t) (ustrlen  & 0xff);
-        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-        memcpy(ssb, value_weight, value_weight_size);
-        ssb+=ustrlen;
+	ustrlen = value_weight_size;
+	*ssb++ = (uint8_t) (ustrlen & 0xff);
+	*ssb++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+	memcpy(ssb, value_weight, value_weight_size);
+	ssb += ustrlen;
 
 #ifdef UWSGI_SSL
 	if (sign) {
 		// add space for "unix" item
-		char unix_dst[sizeof(UMAX64_STR)+1];
-                if (snprintf(unix_dst, sizeof(UMAX64_STR)+1, "%lu", (unsigned long) (uwsgi_now() + (time_t)cmd)) < 1) {
-                	uwsgi_error("unable to generate unix time for subscription !!!\n");
-                        free(subscrbuf);
-                        return;
-                }
-                ssb_size += 2 + 4 + 2 + strlen(unix_dst);
+		char unix_dst[sizeof(UMAX64_STR) + 1];
+		if (snprintf(unix_dst, sizeof(UMAX64_STR) + 1, "%lu", (unsigned long) (uwsgi_now() + (time_t) cmd)) < 1) {
+			uwsgi_error("unable to generate unix time for subscription !!!\n");
+			free(subscrbuf);
+			return;
+		}
+		ssb_size += 2 + 4 + 2 + strlen(unix_dst);
 		char *new_buf = realloc(subscrbuf, ssb_size);
 		if (!new_buf) {
-                        uwsgi_error("realloc()");
-                        free(subscrbuf);
-                	return;
-                }
+			uwsgi_error("realloc()");
+			free(subscrbuf);
+			return;
+		}
 
 		// fix ssb (new_buf base could be changed)
-		ssb = (new_buf + (ssb-subscrbuf));
+		ssb = (new_buf + (ssb - subscrbuf));
 		subscrbuf = new_buf;
 
 		ustrlen = 4;
-                *ssb++ = (uint8_t) (ustrlen  & 0xff);
-                *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-                memcpy(ssb, "unix", ustrlen);
-                ssb+=ustrlen;
+		*ssb++ = (uint8_t) (ustrlen & 0xff);
+		*ssb++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+		memcpy(ssb, "unix", ustrlen);
+		ssb += ustrlen;
+
+		ustrlen = strlen(unix_dst);
+		*ssb++ = (uint8_t) (ustrlen & 0xff);
+		*ssb++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+		memcpy(ssb, unix_dst, strlen(unix_dst));
+		ssb += ustrlen;
 
-                ustrlen = strlen(unix_dst);
-                *ssb++ = (uint8_t) (ustrlen  & 0xff);
-                *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-                memcpy(ssb, unix_dst, strlen(unix_dst));
-                ssb+=ustrlen;
-		
 		unsigned int signature_len = 0;
-		char *signature = uwsgi_rsa_sign(sign, subscrbuf+4, ssb_size-4, &signature_len);
+		char *signature = uwsgi_rsa_sign(sign, subscrbuf + 4, ssb_size - 4, &signature_len);
 		if (signature && signature_len > 0) {
 			// add space for "sign" item
 			ssb_size += 2 + 4 + 2 + signature_len;
-			char *new_buf = realloc(subscrbuf, ssb_size);	
+			char *new_buf = realloc(subscrbuf, ssb_size);
 			if (!new_buf) {
 				uwsgi_error("realloc()");
 				free(signature);
@@ -674,28 +690,28 @@ void uwsgi_send_subscription(char *udp_address, char *key, size_t keysize, uint8
 			}
 
 			// fix ssb (new_buf base could be changed)
-			ssb = (new_buf + (ssb-subscrbuf));
+			ssb = (new_buf + (ssb - subscrbuf));
 			subscrbuf = new_buf;
 
 			ustrlen = 4;
-        		*ssb++ = (uint8_t) (ustrlen  & 0xff);
-        		*ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-        		memcpy(ssb, "sign", ustrlen);
-        		ssb+=ustrlen;
+			*ssb++ = (uint8_t) (ustrlen & 0xff);
+			*ssb++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+			memcpy(ssb, "sign", ustrlen);
+			ssb += ustrlen;
 
-        		ustrlen = signature_len;
-        		*ssb++ = (uint8_t) (ustrlen  & 0xff);
-        		*ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-        		memcpy(ssb, signature, signature_len);
-        		ssb+=ustrlen;
+			ustrlen = signature_len;
+			*ssb++ = (uint8_t) (ustrlen & 0xff);
+			*ssb++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+			memcpy(ssb, signature, signature_len);
+			ssb += ustrlen;
 
 			free(signature);
 		}
 	}
 #endif
-	
 
-        send_udp_message(224, cmd, udp_address, subscrbuf, ssb_size-4);
+
+	send_udp_message(224, cmd, udp_address, subscrbuf, ssb_size - 4);
 	free(subscrbuf);
 }
 
@@ -704,18 +720,18 @@ void uwsgi_send_subscription(char *udp_address, char *key, size_t keysize, uint8
 int uwsgi_subscription_sign_check(struct uwsgi_subscribe_slot *slot, struct uwsgi_subscribe_req *usr) {
 
 	if (EVP_VerifyInit_ex(slot->sign_ctx, uwsgi.subscriptions_sign_check_md, NULL) == 0) {
-                ERR_print_errors_fp(stderr);
+		ERR_print_errors_fp(stderr);
 		return 0;
 	}
 
 	if (EVP_VerifyUpdate(slot->sign_ctx, usr->base, usr->base_len) == 0) {
-                ERR_print_errors_fp(stderr);
+		ERR_print_errors_fp(stderr);
 		return 0;
 	}
 
-	if (EVP_VerifyFinal(slot->sign_ctx, (unsigned char *)usr->sign, usr->sign_len, slot->sign_public_key) != 1) {
+	if (EVP_VerifyFinal(slot->sign_ctx, (unsigned char *) usr->sign, usr->sign_len, slot->sign_public_key) != 1) {
 #ifdef UWSGI_DEBUG
-                ERR_print_errors_fp(stderr);
+		ERR_print_errors_fp(stderr);
 #endif
 		return 0;
 	}
@@ -727,8 +743,9 @@ int uwsgi_subscription_sign_check(struct uwsgi_subscribe_slot *slot, struct uwsg
 
 int uwsgi_no_subscriptions(struct uwsgi_subscribe_slot **slot) {
 	int i;
-	for(i=0;i<UMAX16;i++) {
-		if (slot[i]) return 0;
+	for (i = 0; i < UMAX16; i++) {
+		if (slot[i])
+			return 0;
 	}
 	return 1;
 }

core/uwsgi.c

@@ -2,7 +2,7 @@
 
  *** uWSGI ***
 
- Copyright (C) 2009-2012 Unbit S.a.s. <info@unbit.it>
+ Copyright (C) 2009-2013 Unbit S.a.s. <info@unbit.it>
 
  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
@@ -38,12 +38,16 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"socket", required_argument, 's', "bind to the specified UNIX/TCP socket using default protocol", uwsgi_opt_add_socket, NULL, 0},
 	{"uwsgi-socket", required_argument, 's', "bind to the specified UNIX/TCP socket using uwsgi protocol", uwsgi_opt_add_socket, "uwsgi", 0},
 	{"http-socket", required_argument, 0, "bind to the specified UNIX/TCP socket using HTTP protocol", uwsgi_opt_add_socket, "http", 0},
+	{"http-socket-modifier1", required_argument, 0, "force the specified modifier1 when using HTTP protocol", uwsgi_opt_set_64bit, &uwsgi.http_modifier1, 0},
+        {"http-socket-modifier2", required_argument, 0, "force the specified modifier2 when using HTTP protocol", uwsgi_opt_set_64bit, &uwsgi.http_modifier2, 0},
 	{"fastcgi-socket", required_argument, 0, "bind to the specified UNIX/TCP socket using FastCGI protocol", uwsgi_opt_add_socket, "fastcgi", 0},
 	{"protocol", required_argument, 0, "force the specified protocol for default sockets", uwsgi_opt_set_str, &uwsgi.protocol, 0},
 	{"socket-protocol", required_argument, 0, "force the specified protocol for default sockets", uwsgi_opt_set_str, &uwsgi.protocol, 0},
 	{"shared-socket", required_argument, 0, "create a shared sacket for advanced jailing or ipc", uwsgi_opt_add_shared_socket, NULL, 0},
+	{"undeferred-shared-socket", required_argument, 0, "create a shared sacket for advanced jailing or ipc (undeferred mode)", uwsgi_opt_add_shared_socket, NULL, 0},
 	{"processes", required_argument, 'p', "spawn the specified number of workers/processes", uwsgi_opt_set_int, &uwsgi.numproc, 0},
 	{"workers", required_argument, 'p', "spawn the specified number of workers/processes", uwsgi_opt_set_int, &uwsgi.numproc, 0},
+	{"thunder-lock", no_argument, 0, "serialize accept() usage (if possibie)", uwsgi_opt_true, &uwsgi.use_thunder_lock, 0},
 	{"harakiri", required_argument, 't', "set harakiri timeout", uwsgi_opt_set_dyn, (void *) UWSGI_OPTION_HARAKIRI, 0},
 	{"harakiri-verbose", no_argument, 0, "enable verbose mode for harakiri", uwsgi_opt_true, &uwsgi.harakiri_verbose, 0},
 	{"harakiri-no-arh", no_argument, 0, "do not enable harakiri during after-request-hook", uwsgi_opt_true, &uwsgi.harakiri_no_arh, 0},
@@ -62,6 +66,7 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"declare-option", required_argument, 0, "declare a new uWSGI custom option", uwsgi_opt_add_custom_option, NULL, UWSGI_OPT_IMMEDIATE},
 
 	{"for", required_argument, 0, "(opt logic) for cycle", uwsgi_opt_logic, (void *) uwsgi_logic_opt_for, UWSGI_OPT_IMMEDIATE},
+	{"for-glob", required_argument, 0, "(opt logic) for cycle (expand glob)", uwsgi_opt_logic, (void *) uwsgi_logic_opt_for_glob, UWSGI_OPT_IMMEDIATE},
 	{"endfor", optional_argument, 0, "(opt logic) end for cycle", uwsgi_opt_noop, NULL, UWSGI_OPT_IMMEDIATE},
 
 	{"if-opt", required_argument, 0, "(opt logic) check for option", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_opt, UWSGI_OPT_IMMEDIATE},
@@ -104,7 +109,8 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"suspend", required_argument, 0, "suspend an instance", uwsgi_opt_pidfile_signal, (void *) SIGTSTP, UWSGI_OPT_IMMEDIATE},
 	{"resume", required_argument, 0, "resume an instance", uwsgi_opt_pidfile_signal, (void *) SIGTSTP, UWSGI_OPT_IMMEDIATE},
 
-	{"connect-and-read", required_argument, 0, "connect to a scoekt and wait for data from it", uwsgi_opt_connect_and_read, NULL, UWSGI_OPT_IMMEDIATE},
+	{"connect-and-read", required_argument, 0, "connect to a socket and wait for data from it", uwsgi_opt_connect_and_read, NULL, UWSGI_OPT_IMMEDIATE},
+	{"extract", required_argument, 0, "fetch/dump any supported address to stdout", uwsgi_opt_extract, NULL, UWSGI_OPT_IMMEDIATE},
 
 	{"listen", required_argument, 'l', "set the socket listen queue size", uwsgi_opt_set_int, &uwsgi.listen_queue, 0},
 	{"max-vars", required_argument, 'v', "set the amount of internal iovec/vars structures", uwsgi_opt_max_vars, NULL, 0},
@@ -124,6 +130,7 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"map-socket", required_argument, 0, "map sockets to specific workers", uwsgi_opt_add_string_list, &uwsgi.map_socket, 0},
 #ifdef UWSGI_THREADING
 	{"enable-threads", no_argument, 'T', "enable threads", uwsgi_opt_true, &uwsgi.has_threads, 0},
+	{"no-threads-wait", no_argument, 0, "do not wait for threads cancellation on quit/reload", uwsgi_opt_true, &uwsgi.no_threads_wait, 0},
 #endif
 
 	{"auto-procname", no_argument, 0, "automatically set processes name to something meaningful", uwsgi_opt_true, &uwsgi.auto_procname, 0},
@@ -137,6 +144,7 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"need-app", no_argument, 0, "exit if no app can be loaded", uwsgi_opt_true, &uwsgi.need_app, 0},
 	{"master", no_argument, 'M', "enable master process", uwsgi_opt_true, &uwsgi.master_process, 0},
 	{"emperor", required_argument, 0, "run the Emperor", uwsgi_opt_add_string_list, &uwsgi.emperor, 0},
+	{"emperor-procname", required_argument, 0, "set the Emperor process name", uwsgi_opt_set_str, &uwsgi.emperor_procname, 0},
 	{"emperor-freq", required_argument, 0, "set the Emperor scan frequency (default 3 seconds)", uwsgi_opt_set_int, &uwsgi.emperor_freq, 0},
 	{"emperor-required-heartbeat", required_argument, 0, "set the Emperor tolerance about heartbeats", uwsgi_opt_set_int, &uwsgi.emperor_heartbeat, 0},
 	{"emperor-pidfile", required_argument, 0, "write the Emperor pid in the specified file", uwsgi_opt_set_str, &uwsgi.emperor_pidfile, 0},
@@ -279,6 +287,9 @@ static struct uwsgi_option uwsgi_base_options[] = {
 #ifdef MADV_MERGEABLE
 	{"ksm", optional_argument, 0, "enable Linux KSM", uwsgi_opt_set_int, &uwsgi.linux_ksm, 0},
 #endif
+#endif
+#ifdef UWSGI_PCRE
+	{"pcre-jit", no_argument, 0, "enable pcre jit (if available)", uwsgi_opt_pcre_jit, NULL, UWSGI_OPT_IMMEDIATE},
 #endif
 	{"never-swap", no_argument, 0, "lock all memory pages avoiding swapping", uwsgi_opt_true, &uwsgi.never_swap, 0},
 	{"touch-reload", required_argument, 0, "reload uWSGI if the specified file is modified/touched", uwsgi_opt_add_string_list, &uwsgi.touch_reload, UWSGI_OPT_MASTER},
@@ -372,6 +383,9 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"alarm", required_argument, 0, "create a new alarm, syntax: <alarm> <plugin:args>", uwsgi_opt_add_string_list, &uwsgi.alarm_list, UWSGI_OPT_MASTER | UWSGI_OPT_LOG_MASTER},
 	{"alarm-freq", required_argument, 0, "tune the anti-loop alam system (default 3 seconds)", uwsgi_opt_set_int, &uwsgi.alarm_freq, 0},
 	{"log-alarm", required_argument, 0, "raise the specified alarm when a log line matches the specified regexp, syntax: <alarm>[,alarm...] <regexp>", uwsgi_opt_add_string_list, &uwsgi.alarm_logs_list, UWSGI_OPT_MASTER | UWSGI_OPT_LOG_MASTER},
+	{"alarm-log", required_argument, 0, "raise the specified alarm when a log line matches the specified regexp, syntax: <alarm>[,alarm...] <regexp>", uwsgi_opt_add_string_list, &uwsgi.alarm_logs_list, UWSGI_OPT_MASTER | UWSGI_OPT_LOG_MASTER},
+	{"not-log-alarm", required_argument, 0, "skip the specified alarm when a log line matches the specified regexp, syntax: <alarm>[,alarm...] <regexp>", uwsgi_opt_add_string_list_custom, &uwsgi.alarm_logs_list, UWSGI_OPT_MASTER | UWSGI_OPT_LOG_MASTER},
+        {"not-alarm-log", required_argument, 0, "skip the specified alarm when a log line matches the specified regexp, syntax: <alarm>[,alarm...] <regexp>", uwsgi_opt_add_string_list_custom, &uwsgi.alarm_logs_list, UWSGI_OPT_MASTER | UWSGI_OPT_LOG_MASTER},
 	{"alarm-list", no_argument, 0, "list enabled alarms", uwsgi_opt_true, &uwsgi.alarms_list, 0},
 	{"alarms-list", no_argument, 0, "list enabled alarms", uwsgi_opt_true, &uwsgi.alarms_list, 0},
 #endif
@@ -465,7 +479,8 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"static-expires-path-info-mtime", required_argument, 0, "set the Expires header based on PATH_INFO regexp and file mtime", uwsgi_opt_add_regexp_dyn_dict, &uwsgi.static_expires_path_info_mtime, UWSGI_OPT_MIME},
 #endif
 
-	{"static-offload-to-thread", required_argument, 0, "offload static file serving to a thread (upto the specified number of threads)", uwsgi_opt_set_int, &uwsgi.static_offload_to_thread, UWSGI_OPT_MIME},
+	{"offload-threads", required_argument, 0, "set the number of offload threads to spawn (per-worker, default 0)", uwsgi_opt_set_int, &uwsgi.offload_threads, 0},
+	{"offload-thread", required_argument, 0, "set the number of offload threads to spawn (per-worker, default 0)", uwsgi_opt_set_int, &uwsgi.offload_threads, 0},
 
 	{"file-serve-mode", required_argument, 0, "set static file serving mode", uwsgi_opt_fileserve_mode, NULL, UWSGI_OPT_MIME},
 	{"fileserve-mode", required_argument, 0, "set static file serving mode", uwsgi_opt_fileserve_mode, NULL, UWSGI_OPT_MIME},
@@ -510,6 +525,7 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"remap-modifier", required_argument, 0, "remap request modifier from one id to another", uwsgi_opt_set_str, &uwsgi.remap_modifier, 0},
 
 	{"app", required_argument, 0, "*** deprecated ***", uwsgi_opt_deprecated, (void *) "use the more advanced \"mount\" option", 0},
+	{"static-offload-to-thread", required_argument, 0, "*** deprecated ***", uwsgi_opt_deprecated, (void *) "use the more advanced \"offload-threads\" option", 0},
 
 	{"dump-options", no_argument, 0, "dump the full list of available options", uwsgi_opt_true, &uwsgi.dump_options, 0},
 	{"show-config", no_argument, 0, "show the current config reformatted as ini", uwsgi_opt_true, &uwsgi.show_config, 0},
@@ -669,13 +685,31 @@ restart:
 void config_magic_table_fill(char *filename, char **magic_table) {
 
 	char *tmp = NULL;
+	char *fullname = filename;
 
-	char *fullname = uwsgi_expand_path(filename, strlen(filename), NULL);
-	if (!fullname) {
-		fullname = filename;
+	magic_table['o'] = filename;
+
+	if (uwsgi_check_scheme(filename) || !strcmp(filename, "-")) {
+		return;
+	}
+
+        char *section = uwsgi_get_last_char(filename, ':');
+        if (section) {
+                *section = 0;
+	}
+
+	// we have a special case for symlinks
+	if (uwsgi_is_link(filename)) {
+		if (filename[0] != '/') {
+			fullname = uwsgi_concat3(uwsgi.cwd, "/", filename);
+		}
 	}
-	// free unused memory
 	else {
+
+		fullname = uwsgi_expand_path(filename, strlen(filename), NULL);
+		if (!fullname) {
+			exit(1);
+		}
 		char *minimal_name = uwsgi_malloc(strlen(fullname) + 1);
 		memcpy(minimal_name, fullname, strlen(fullname));
 		minimal_name[strlen(fullname)] = 0;
@@ -683,7 +717,6 @@ void config_magic_table_fill(char *filename, char **magic_table) {
 		fullname = minimal_name;
 	}
 
-	magic_table['o'] = filename;
 	magic_table['p'] = fullname;
 	magic_table['s'] = uwsgi_get_last_char(fullname, '/') + 1;
 	magic_table['d'] = uwsgi_concat2n(magic_table['p'], magic_table['s'] - magic_table['p'], "", 0);
@@ -703,8 +736,8 @@ void config_magic_table_fill(char *filename, char **magic_table) {
 
 	int base = '0';
 	char *to_split = uwsgi_str(magic_table['d']);
-	char *p = strtok(to_split,"/");
-	while(p && base <= '9') {
+	char *p = strtok(to_split, "/");
+	while (p && base <= '9') {
 		magic_table[base] = p;
 		base++;
 		p = strtok(NULL, "/");
@@ -717,6 +750,11 @@ void config_magic_table_fill(char *filename, char **magic_table) {
 		magic_table['e'] = uwsgi_get_last_char(filename, '.') + 1;
 	if (uwsgi_get_last_char(magic_table['s'], '.'))
 		magic_table['n'] = uwsgi_concat2n(magic_table['s'], uwsgi_get_last_char(magic_table['s'], '.') - magic_table['s'], "", 0);
+
+	if (section) {
+		magic_table['x'] = section+1;
+		*section = ':';
+	}
 }
 
 int find_worker_id(pid_t pid) {
@@ -746,6 +784,9 @@ void warn_pipe() {
 void wait_for_threads() {
 	int i, ret;
 
+	// on some platform thread cancellation is REALLY flaky
+	if (uwsgi.no_threads_wait) return;
+
 	int sudden_death = 0;
 
 	pthread_mutex_lock(&uwsgi.six_feet_under_lock);
@@ -853,13 +894,13 @@ void kill_them_all(int signum) {
 		return;
 
 	// count the number of active workers
-        int active_workers = 0;
-        for (i = 1; i <= uwsgi.numproc; i++) {
-        	if (uwsgi.workers[i].cheaped == 0 && uwsgi.workers[i].pid > 0) {
-                	active_workers++;
-                }
-        }
-        uwsgi.marked_workers = active_workers;
+	int active_workers = 0;
+	for (i = 1; i <= uwsgi.numproc; i++) {
+		if (uwsgi.workers[i].cheaped == 0 && uwsgi.workers[i].pid > 0) {
+			active_workers++;
+		}
+	}
+	uwsgi.marked_workers = active_workers;
 
 	uwsgi.to_hell = 1;
 
@@ -919,13 +960,13 @@ void grace_them_all(int signum) {
 		return;
 
 	// count the number of active workers
-        int active_workers = 0;
-        for (i = 1; i <= uwsgi.numproc; i++) {
-                if (uwsgi.workers[i].cheaped == 0 && uwsgi.workers[i].pid > 0) {
-                        active_workers++;
-                }
-        }
-        uwsgi.marked_workers = active_workers;
+	int active_workers = 0;
+	for (i = 1; i <= uwsgi.numproc; i++) {
+		if (uwsgi.workers[i].cheaped == 0 && uwsgi.workers[i].pid > 0) {
+			active_workers++;
+		}
+	}
+	uwsgi.marked_workers = active_workers;
 
 	if (!uwsgi.lazy)
 		uwsgi.to_heaven = 1;
@@ -1031,14 +1072,17 @@ void reap_them_all(int signum) {
 	if (uwsgi.to_outworld == 1 || uwsgi.lazy_respawned > 0)
 		return;
 
+
+	if (!uwsgi.workers) return;
+
 	// count the number of active workers
-        int active_workers = 0;
-        for (i = 1; i <= uwsgi.numproc; i++) {
-                if (uwsgi.workers[i].cheaped == 0 && uwsgi.workers[i].pid > 0) {
-                        active_workers++;
-                }
-        }
-        uwsgi.marked_workers = active_workers;
+	int active_workers = 0;
+	for (i = 1; i <= uwsgi.numproc; i++) {
+		if (uwsgi.workers[i].cheaped == 0 && uwsgi.workers[i].pid > 0) {
+			active_workers++;
+		}
+	}
+	uwsgi.marked_workers = active_workers;
 
 	if (!uwsgi.lazy)
 		uwsgi.to_heaven = 1;
@@ -1482,7 +1526,7 @@ void uwsgi_flush_logs() {
 check:
 	// this buffer could not be initialized !!!
 	if (uwsgi.log_master) {
-                uwsgi.log_master_buf = uwsgi_malloc(uwsgi.log_master_bufsize);
+		uwsgi.log_master_buf = uwsgi_malloc(uwsgi.log_master_bufsize);
 	}
 
 	// check for data in logpipe
@@ -1501,13 +1545,14 @@ check:
 static void plugins_list(void) {
 	int i;
 	uwsgi_log("\n*** uWSGI loaded generic plugins ***\n");
-	for(i=0;i<uwsgi.gp_cnt;i++) {
+	for (i = 0; i < uwsgi.gp_cnt; i++) {
 		uwsgi_log("%s\n", uwsgi.gp[i]->name);
 	}
 
 	uwsgi_log("\n*** uWSGI loaded request plugins ***\n");
-	for(i=0;i<256;i++) {
-		if (uwsgi.p[i] == &unconfigured_plugin) continue;
+	for (i = 0; i < 256; i++) {
+		if (uwsgi.p[i] == &unconfigured_plugin)
+			continue;
 		uwsgi_log("%d: %s\n", i, uwsgi.p[i]->name);
 	}
 
@@ -1517,39 +1562,39 @@ static void plugins_list(void) {
 static void loggers_list(void) {
 	struct uwsgi_logger *ul = uwsgi.loggers;
 	uwsgi_log("\n*** uWSGI loaded loggers ***\n");
-	while(ul) {
+	while (ul) {
 		uwsgi_log("%s\n", ul->name);
 		ul = ul->next;
-	}	
+	}
 	uwsgi_log("--- end of loggers list ---\n\n");
 }
 
 static void cheaper_algo_list(void) {
 	struct uwsgi_cheaper_algo *uca = uwsgi.cheaper_algos;
 	uwsgi_log("\n*** uWSGI loaded cheaper algorithms ***\n");
-	while(uca) {
+	while (uca) {
 		uwsgi_log("%s\n", uca->name);
 		uca = uca->next;
-	}	
+	}
 	uwsgi_log("--- end of cheaper algorithms list ---\n\n");
 }
 
 #ifdef UWSGI_ROUTING
 static void router_list(void) {
-        struct uwsgi_router *ur = uwsgi.routers;
-        uwsgi_log("\n*** uWSGI loaded routers ***\n");
-        while(ur) {
-                uwsgi_log("%s\n", ur->name);
-                ur = ur->next;
-        }
-        uwsgi_log("--- end of routers list ---\n\n");
+	struct uwsgi_router *ur = uwsgi.routers;
+	uwsgi_log("\n*** uWSGI loaded routers ***\n");
+	while (ur) {
+		uwsgi_log("%s\n", ur->name);
+		ur = ur->next;
+	}
+	uwsgi_log("--- end of routers list ---\n\n");
 }
 #endif
 
 static void loop_list(void) {
 	struct uwsgi_loop *loop = uwsgi.loops;
 	uwsgi_log("\n*** uWSGI loaded loop engines ***\n");
-	while(loop) {
+	while (loop) {
 		uwsgi_log("%s\n", loop->name);
 		loop = loop->next;
 	}
@@ -1559,9 +1604,9 @@ static void loop_list(void) {
 static void imperial_monitor_list(void) {
 	struct uwsgi_imperial_monitor *uim = uwsgi.emperor_monitors;
 	uwsgi_log("\n*** uWSGI loaded imperial monitors ***\n");
-	while(uim) {
+	while (uim) {
 		uwsgi_log("%s\n", uim->scheme);
-                uim = uim->next;
+		uim = uim->next;
 	}
 	uwsgi_log("--- end of imperial monitors list ---\n\n");
 }
@@ -1569,7 +1614,7 @@ static void imperial_monitor_list(void) {
 static void clocks_list(void) {
 	struct uwsgi_clock *clocks = uwsgi.clocks;
 	uwsgi_log("\n*** uWSGI loaded clocks ***\n");
-	while(clocks) {
+	while (clocks) {
 		uwsgi_log("%s\n", clocks->name);
 		clocks = clocks->next;
 	}
@@ -1578,13 +1623,13 @@ static void clocks_list(void) {
 
 #ifdef UWSGI_ALARM
 static void alarms_list(void) {
-        struct uwsgi_alarm *alarms = uwsgi.alarms;
-        uwsgi_log("\n*** uWSGI loaded alarms ***\n");
-        while(alarms) {
-                uwsgi_log("%s\n", alarms->name);
-                alarms = alarms->next;
-        }
-        uwsgi_log("--- end of alarms list ---\n\n");
+	struct uwsgi_alarm *alarms = uwsgi.alarms;
+	uwsgi_log("\n*** uWSGI loaded alarms ***\n");
+	while (alarms) {
+		uwsgi_log("%s\n", alarms->name);
+		alarms = alarms->next;
+	}
+	uwsgi_log("--- end of alarms list ---\n\n");
 }
 #endif
 
@@ -1595,7 +1640,7 @@ static time_t uwsgi_unix_seconds() {
 static uint64_t uwsgi_unix_microseconds() {
 	struct timeval tv;
 	gettimeofday(&tv, NULL);
-	return ((uint64_t)tv.tv_sec * 1000000) + tv.tv_usec;
+	return ((uint64_t) tv.tv_sec * 1000000) + tv.tv_usec;
 }
 
 static struct uwsgi_clock uwsgi_unix_clock = {
@@ -1624,6 +1669,14 @@ int main(int argc, char *argv[], char *envp[]) {
 
 	struct utsname uuts;
 
+	// signal mask is inherited, and sme process manager could make a real mess...
+        sigset_t smask;
+        sigfillset(&smask);
+        if (sigprocmask(SIG_UNBLOCK, &smask, NULL)) {
+                uwsgi_error("sigprocmask()");
+        }
+
+	signal(SIGCHLD, SIG_DFL);
 	signal(SIGSEGV, uwsgi_segfault);
 	signal(SIGFPE, uwsgi_fpe);
 	signal(SIGHUP, SIG_IGN);
@@ -1706,7 +1759,7 @@ int main(int argc, char *argv[], char *envp[]) {
 		}
 	}
 
-	
+
 	// count/set the current reload status
 	uwsgi_setup_reload();
 
@@ -1728,11 +1781,10 @@ int main(int argc, char *argv[], char *envp[]) {
 
 	//initialize embedded plugins
 	UWSGI_LOAD_EMBEDDED_PLUGINS
-
-	// now a bit of magic, if the executable basename contains a 'uwsgi_' string,
-	// try to automatically load a plugin
+		// now a bit of magic, if the executable basename contains a 'uwsgi_' string,
+		// try to automatically load a plugin
 #ifdef UWSGI_DEBUG
-	uwsgi_log("executable name: %s\n", uwsgi.binary_path);
+		uwsgi_log("executable name: %s\n", uwsgi.binary_path);
 #endif
 	uwsgi_autoload_plugins_by_name(argv[0]);
 
@@ -1796,16 +1848,16 @@ int main(int argc, char *argv[], char *envp[]) {
 	// setup main loops
 	uwsgi_register_loop("simple", simple_loop);
 #ifdef UWSGI_ASYNC
-        uwsgi_register_loop("async", async_loop);
+	uwsgi_register_loop("async", async_loop);
 #endif
 
 	// setup cheaper algos
-        uwsgi_register_cheaper_algo("spare", uwsgi_cheaper_algo_spare);
-        uwsgi_register_cheaper_algo("backlog", uwsgi_cheaper_algo_backlog);
+	uwsgi_register_cheaper_algo("spare", uwsgi_cheaper_algo_spare);
+	uwsgi_register_cheaper_algo("backlog", uwsgi_cheaper_algo_backlog);
 
 	// setup imperial monitors
 	uwsgi_register_imperial_monitor("dir", uwsgi_imperial_monitor_directory_init, uwsgi_imperial_monitor_directory);
-        uwsgi_register_imperial_monitor("glob", uwsgi_imperial_monitor_glob_init, uwsgi_imperial_monitor_glob);
+	uwsgi_register_imperial_monitor("glob", uwsgi_imperial_monitor_glob_init, uwsgi_imperial_monitor_glob);
 
 	// setup stats pushers
 	uwsgi_register_stats_pusher("file", uwsgi_stats_pusher_file);
@@ -1884,19 +1936,27 @@ int main(int argc, char *argv[], char *envp[]) {
 	uwsgi_log_initial("compiled with version: %s on %s\n", __VERSION__, UWSGI_BUILD_DATE);
 
 #ifdef __sun__
-        if (uname(&uuts) < 0) {
+	if (uname(&uuts) < 0) {
 #else
-        if (uname(&uuts)) {
+	if (uname(&uuts)) {
 #endif
-                uwsgi_error("uname()");
-        }
-        else {
-                uwsgi_log_initial("os: %s-%s %s\n", uuts.sysname, uuts.release, uuts.version);
-                uwsgi_log_initial("nodename: %s\n", uuts.nodename);
-                uwsgi_log_initial("machine: %s\n", uuts.machine);
-        }
+		uwsgi_error("uname()");
+	}
+	else {
+		uwsgi_log_initial("os: %s-%s %s\n", uuts.sysname, uuts.release, uuts.version);
+		uwsgi_log_initial("nodename: %s\n", uuts.nodename);
+		uwsgi_log_initial("machine: %s\n", uuts.machine);
+	}
 
 	uwsgi_log_initial("clock source: %s\n", uwsgi.clock->name);
+#ifdef UWSGI_PCRE
+	if (uwsgi.pcre_jit) {
+		uwsgi_log_initial("pcre jit enabled\n");
+	}
+	else {
+		uwsgi_log_initial("pcre jit disabled\n");
+	}
+#endif
 
 #ifdef __BIG_ENDIAN__
 	uwsgi_log_initial("*** big endian arch detected ***\n");
@@ -1951,16 +2011,16 @@ int main(int argc, char *argv[], char *envp[]) {
 	}
 
 	// we could now patch the binary
-        if (uwsgi.privileged_binary_patch) {
-        	uwsgi.argv[0] = uwsgi.privileged_binary_patch;
-                execvp(uwsgi.privileged_binary_patch, uwsgi.argv);
-                uwsgi_error("execvp()");
-                exit(1);
-        }
+	if (uwsgi.privileged_binary_patch) {
+		uwsgi.argv[0] = uwsgi.privileged_binary_patch;
+		execvp(uwsgi.privileged_binary_patch, uwsgi.argv);
+		uwsgi_error("execvp()");
+		exit(1);
+	}
 
-        if (uwsgi.privileged_binary_patch_arg) {
+	if (uwsgi.privileged_binary_patch_arg) {
 		uwsgi_exec_command_with_args(uwsgi.privileged_binary_patch_arg);
-        }
+	}
 
 
 	// call jail systems
@@ -2029,17 +2089,17 @@ int uwsgi_start(void *v_argv) {
 
 #ifdef RLIMIT_NPROC
 	if (uwsgi.rl_nproc.rlim_max > 0) {
-                uwsgi.rl_nproc.rlim_cur = uwsgi.rl_nproc.rlim_max;
-                uwsgi_log_initial("limiting number of processes to %d...\n", (int) uwsgi.rl_nproc.rlim_max);
-                if (setrlimit(RLIMIT_NPROC, &uwsgi.rl_nproc)) {
-                        uwsgi_error("setrlimit()");
-                }
-        }
+		uwsgi.rl_nproc.rlim_cur = uwsgi.rl_nproc.rlim_max;
+		uwsgi_log_initial("limiting number of processes to %d...\n", (int) uwsgi.rl_nproc.rlim_max);
+		if (setrlimit(RLIMIT_NPROC, &uwsgi.rl_nproc)) {
+			uwsgi_error("setrlimit()");
+		}
+	}
 
 	if (!getrlimit(RLIMIT_NPROC, &uwsgi.rl_nproc)) {
 		if (uwsgi.rl_nproc.rlim_cur != RLIM_INFINITY) {
 			uwsgi_log_initial("your processes number limit is %d\n", (int) uwsgi.rl_nproc.rlim_cur);
-			if ((int)uwsgi.rl_nproc.rlim_cur < uwsgi.numproc+uwsgi.master_process) {
+			if ((int) uwsgi.rl_nproc.rlim_cur < uwsgi.numproc + uwsgi.master_process) {
 				uwsgi.numproc = uwsgi.rl_nproc.rlim_cur - 1;
 				uwsgi_log_initial("!!! number of workers adjusted to %d due to system limits !!!\n", uwsgi.numproc);
 			}
@@ -2130,15 +2190,15 @@ int uwsgi_start(void *v_argv) {
 			uwsgi.rl.rlim_cur = uwsgi.async;
 			uwsgi.rl.rlim_max = uwsgi.async;
 			if (!setrlimit(RLIMIT_NOFILE, &uwsgi.rl)) {
-                        	uwsgi_log("max open files limit raised to %lu\n", (unsigned long) uwsgi.rl.rlim_cur);
-                                uwsgi.async = uwsgi.rl.rlim_cur;
+				uwsgi_log("max open files limit raised to %lu\n", (unsigned long) uwsgi.rl.rlim_cur);
+				uwsgi.async = uwsgi.rl.rlim_cur;
 				uwsgi.max_fd = uwsgi.rl.rlim_cur;
-                        }
-                        else {
-                        	uwsgi.async = (int) uwsgi.max_fd;
-                	}
-                }
-                uwsgi_log("- async cores set to %d - fd table size: %d\n", uwsgi.async, (int) uwsgi.max_fd);
+			}
+			else {
+				uwsgi.async = (int) uwsgi.max_fd;
+			}
+		}
+		uwsgi_log("- async cores set to %d - fd table size: %d\n", uwsgi.async, (int) uwsgi.max_fd);
 		uwsgi.async_waiting_fd_table = malloc(sizeof(struct wsgi_request *) * uwsgi.max_fd);
 		if (!uwsgi.async_waiting_fd_table) {
 			uwsgi_error("malloc()");
@@ -2279,13 +2339,14 @@ int uwsgi_start(void *v_argv) {
 
 	// users of the --loop option should know what they are doing... really...
 #ifndef UWSGI_DEBUG
-	if (uwsgi.loop) goto unsafe;
+	if (uwsgi.loop)
+		goto unsafe;
 #endif
 
 #ifdef UWSGI_UDP
-	if (!uwsgi.sockets && !ushared->gateways_cnt && !uwsgi.no_server && !uwsgi.udp_socket && !uwsgi.emperor && !uwsgi.command_mode) {
+	if (!uwsgi.sockets && !ushared->gateways_cnt && !uwsgi.no_server && !uwsgi.udp_socket && !uwsgi.emperor && !uwsgi.command_mode && !uwsgi.daemons_cnt) {
 #else
-	if (!uwsgi.sockets && !ushared->gateways_cnt && !uwsgi.no_server && !uwsgi.emperor && !uwsgi.command_mode) {
+	if (!uwsgi.sockets && !ushared->gateways_cnt && !uwsgi.no_server && !uwsgi.emperor && !uwsgi.command_mode && !uwsgi.daemons_cnt) {
 #endif
 		uwsgi_log("The -s/--socket option is missing and stdin is not a socket.\n");
 		exit(1);
@@ -2414,25 +2475,26 @@ unsafe:
 		uwsgi.logvectors = uwsgi_malloc(sizeof(struct iovec *) * uwsgi.cores);
 		for (j = 0; j < uwsgi.cores; j++) {
 			uwsgi.logvectors[j] = uwsgi_malloc(sizeof(struct iovec) * uwsgi.logformat_vectors);
-			uwsgi.logvectors[j][uwsgi.logformat_vectors-1].iov_base = "\n";
-			uwsgi.logvectors[j][uwsgi.logformat_vectors-1].iov_len = 1;
+			uwsgi.logvectors[j][uwsgi.logformat_vectors - 1].iov_base = "\n";
+			uwsgi.logvectors[j][uwsgi.logformat_vectors - 1].iov_len = 1;
 		}
 	}
 
 #ifdef UWSGI_SPOOLER
 	// initialize locks and socket as soon as possibile, as the master could enqueue tasks
-        if (uwsgi.spoolers != NULL && (uwsgi.sockets || uwsgi.loop)) {
-                create_signal_pipe(uwsgi.shared->spooler_signal_pipe);
-                struct uwsgi_spooler *uspool = uwsgi.spoolers;
-                while (uspool) {
-                        // lock is required even in EXTERNAL mode
-                        uspool->lock = uwsgi_lock_init(uwsgi_concat2("spooler on ", uspool->dir));
-                        if (uspool->mode == UWSGI_SPOOLER_EXTERNAL) goto next;
-                        create_signal_pipe(uspool->signal_pipe);
+	if (uwsgi.spoolers != NULL && (uwsgi.sockets || uwsgi.loop)) {
+		create_signal_pipe(uwsgi.shared->spooler_signal_pipe);
+		struct uwsgi_spooler *uspool = uwsgi.spoolers;
+		while (uspool) {
+			// lock is required even in EXTERNAL mode
+			uspool->lock = uwsgi_lock_init(uwsgi_concat2("spooler on ", uspool->dir));
+			if (uspool->mode == UWSGI_SPOOLER_EXTERNAL)
+				goto next;
+			create_signal_pipe(uspool->signal_pipe);
 next:
-                        uspool = uspool->next;
-                }
-        }
+			uspool = uspool->next;
+		}
+	}
 #endif
 
 
@@ -2455,17 +2517,17 @@ next:
 	}
 
 	// postinit apps (setup specific features after app initialization)
-        for (i = 0; i < 256; i++) {
-                if (uwsgi.p[i]->postinit_apps) {
-                        uwsgi.p[i]->postinit_apps();
-                }
-        }
+	for (i = 0; i < 256; i++) {
+		if (uwsgi.p[i]->postinit_apps) {
+			uwsgi.p[i]->postinit_apps();
+		}
+	}
 
-        for (i = 0; i < uwsgi.gp_cnt; i++) {
-                if (uwsgi.gp[i]->postinit_apps) {
-                        uwsgi.gp[i]->postinit_apps();
-                }
-        }
+	for (i = 0; i < uwsgi.gp_cnt; i++) {
+		if (uwsgi.gp[i]->postinit_apps) {
+			uwsgi.gp[i]->postinit_apps();
+		}
+	}
 
 
 	if (uwsgi.daemonize2) {
@@ -2550,7 +2612,8 @@ next:
 	if (uwsgi.spoolers != NULL && (uwsgi.sockets || uwsgi.loop)) {
 		struct uwsgi_spooler *uspool = uwsgi.spoolers;
 		while (uspool) {
-			if (uspool->mode == UWSGI_SPOOLER_EXTERNAL) goto next2;
+			if (uspool->mode == UWSGI_SPOOLER_EXTERNAL)
+				goto next2;
 			uspool->pid = spooler_start(uspool);
 next2:
 			uspool = uspool->next;
@@ -2587,7 +2650,8 @@ next2:
 	if (!uwsgi.cheap) {
 		if (uwsgi.cheaper && uwsgi.cheaper_count) {
 			int nproc = uwsgi.cheaper_initial;
-			if (!nproc) nproc = uwsgi.cheaper_count;
+			if (!nproc)
+				nproc = uwsgi.cheaper_count;
 			for (i = 1; i <= uwsgi.numproc; i++) {
 				if (i <= nproc) {
 					if (uwsgi_respawn_worker(i))
@@ -2643,7 +2707,7 @@ next2:
 		}
 
 		if (uwsgi.sockets->fd != 0) {
-			if (dup2(uwsgi.sockets->fd, 0)) {
+			if (dup2(uwsgi.sockets->fd, 0) < 0) {
 				uwsgi_error("dup2()");
 			}
 		}
@@ -2656,16 +2720,21 @@ next2:
 	if (uwsgi.master_as_root) {
 		uwsgi_as_root();
 	}
- 
+
 	// set default wsgi_req (for loading apps);
 	uwsgi.wsgi_req = &uwsgi.workers[uwsgi.mywid].cores[0].req;
 
-	if (uwsgi.static_offload_to_thread) {
-		uwsgi.offload_thread = uwsgi_offload_thread_start();
-		if (!uwsgi.offload_thread) {
-			uwsgi_log("unable to offload static file serving !!!\n");
-			uwsgi.static_offload_to_thread = 0;
+	if (uwsgi.offload_threads > 0) {
+		uwsgi.offload_thread = uwsgi_malloc(sizeof(struct uwsgi_thread *) * uwsgi.offload_threads);
+		for(i=0;i<uwsgi.offload_threads;i++) {
+			uwsgi.offload_thread[i] = uwsgi_offload_thread_start();
+			if (!uwsgi.offload_thread[i]) {
+				uwsgi_log("unable to start offload thread %d for worker %d !!!\n", i, uwsgi.mywid);
+				uwsgi.offload_threads = i;
+				break;
+			}
 		}
+		uwsgi_log("spawned %d offload threads for uWSGI worker %d\n", uwsgi.offload_threads, uwsgi.mywid);
 	}
 
 	// must be run before running apps
@@ -2801,10 +2870,10 @@ wait_for_call_of_duty:
 #ifdef UWSGI_THREADING
 	// create a pthread key, storing per-thread wsgi_request structure
 	if (uwsgi.threads > 1) {
-                if (pthread_key_create(&uwsgi.tur_key, NULL)) {
-                        uwsgi_error("pthread_key_create()");
-                        exit(1);
-                }
+		if (pthread_key_create(&uwsgi.tur_key, NULL)) {
+			uwsgi_error("pthread_key_create()");
+			exit(1);
+		}
 	}
 #endif
 
@@ -2836,7 +2905,7 @@ wait_for_call_of_duty:
 		uwsgi_ignition();
 	}
 	// never here
-	pthread_exit(NULL);
+	end_me(0);
 }
 
 /*
@@ -3065,7 +3134,7 @@ void uwsgi_init_all_apps() {
 	}
 
 	struct uwsgi_string_list *app_mps = uwsgi.mounts;
-	while(app_mps) {
+	while (app_mps) {
 		char *what = strchr(app_mps->value, '=');
 		if (what) {
 			what[0] = 0;
@@ -3242,6 +3311,35 @@ void uwsgi_opt_add_string_list(char *opt, char *value, void *list) {
 	uwsgi_string_new_list(ptr, value);
 }
 
+void uwsgi_opt_add_addr_list(char *opt, char *value, void *list) {
+       struct uwsgi_string_list **ptr = (struct uwsgi_string_list **) list;
+       int af = AF_INET;
+#ifdef UWSGI_IPV6
+       void *ip = uwsgi_malloc(16);
+       if (strchr(value, ':')) {
+               af = AF_INET6;
+       }
+#else
+       void *ip = uwsgi_malloc(4);
+#endif
+       
+       if (inet_pton(af, value, ip) <= 0) {
+               uwsgi_log("%s: invalid address\n", opt);
+               uwsgi_error("uwsgi_opt_add_addr_list()");
+               exit(1);
+       }
+
+        struct uwsgi_string_list *usl = uwsgi_string_new_list(ptr, ip);
+       usl->custom = af;
+       usl->custom_ptr = value;
+}
+
+void uwsgi_opt_add_string_list_custom(char *opt, char *value, void *list) {
+        struct uwsgi_string_list **ptr = (struct uwsgi_string_list **) list;
+        struct uwsgi_string_list *usl = uwsgi_string_new_list(ptr, value);
+        usl->custom = 1;
+}
+
 #ifdef UWSGI_PCRE
 void uwsgi_opt_add_regexp_list(char *opt, char *value, void *list) {
 	struct uwsgi_regexp_list **ptr = (struct uwsgi_regexp_list **) list;
@@ -3254,14 +3352,17 @@ void uwsgi_opt_add_regexp_custom_list(char *opt, char *value, void *list) {
 		uwsgi_log("invalid custom regexp syntax: must be <custom> <regexp>\n");
 		exit(1);
 	}
-	char *custom = uwsgi_concat2n(value, space-value, "", 0);
+	char *custom = uwsgi_concat2n(value, space - value, "", 0);
 	struct uwsgi_regexp_list **ptr = (struct uwsgi_regexp_list **) list;
-	uwsgi_regexp_custom_new_list(ptr, space+1, custom);
+	uwsgi_regexp_custom_new_list(ptr, space + 1, custom);
 }
 #endif
 
 void uwsgi_opt_add_shared_socket(char *opt, char *value, void *protocol) {
-	uwsgi_new_shared_socket(generate_socket_name(value));
+	struct uwsgi_socket *us = uwsgi_new_shared_socket(generate_socket_name(value));
+	if (!strcmp(opt, "undeferred-shared-socket")) {
+		us->no_defer = 1;
+	}
 }
 
 void uwsgi_opt_add_socket(char *opt, char *value, void *protocol) {
@@ -3271,8 +3372,8 @@ void uwsgi_opt_add_socket(char *opt, char *value, void *protocol) {
 }
 
 void uwsgi_opt_add_lazy_socket(char *opt, char *value, void *protocol) {
-        struct uwsgi_socket *uwsgi_sock = uwsgi_new_socket(generate_socket_name(value));
-        uwsgi_sock->proto_name = protocol;
+	struct uwsgi_socket *uwsgi_sock = uwsgi_new_socket(generate_socket_name(value));
+	uwsgi_sock->proto_name = protocol;
 	uwsgi_sock->bound = 1;
 	uwsgi_sock->lazy = 1;
 }
@@ -3400,7 +3501,7 @@ void uwsgi_opt_pidfile_signal(char *opt, char *pidfile, void *sig) {
 
 void uwsgi_opt_load_dl(char *opt, char *value, void *none) {
 	if (!dlopen(value, RTLD_NOW | RTLD_GLOBAL)) {
-        	uwsgi_log( "%s\n", dlerror());
+		uwsgi_log("%s\n", dlerror());
 	}
 }
 
@@ -3824,3 +3925,18 @@ void uwsgi_opt_connect_and_read(char *opt, char *address, void *foobar) {
 		uwsgi_log("%.*s", (int) len, buf);
 	}
 }
+
+void uwsgi_opt_extract(char *opt, char *address, void *foobar) {
+
+	int len = 0;
+	char *buf;
+
+	buf = uwsgi_open_and_read(address, &len, 0, NULL);
+	if (len > 0) {
+		if (write(1, buf, len) != len) {
+			uwsgi_error("write()");
+			exit(1);
+		};
+	};
+	exit(0);
+}

core/xmlconf.c

@@ -36,22 +36,22 @@ void uwsgi_xml_config(char *filename, struct wsgi_request *wsgi_req, char *magic
 			uwsgi_log("invalid xml id\n");
 			exit(1);
 		}
-		uwsgi_log( "[uWSGI] using xml uwsgi id: %s\n", colon);
+		uwsgi_log("[uWSGI] using xml uwsgi id: %s\n", colon);
 	}
 
 	xml_content = uwsgi_open_and_read(filename, &xml_size, 0, magic_table);
 
 	doc = xmlReadMemory(xml_content, xml_size, filename, NULL, 0);
 	if (doc == NULL) {
-		uwsgi_log( "[uWSGI] could not parse file %s.\n", filename);
+		uwsgi_log("[uWSGI] could not parse file %s.\n", filename);
 		exit(1);
 	}
 
-	uwsgi_log( "[uWSGI] parsing config file %s\n", filename);
+	uwsgi_log("[uWSGI] parsing config file %s\n", filename);
 
 	element = xmlDocGetRootElement(doc);
 	if (element == NULL) {
-		uwsgi_log( "[uWSGI] invalid xml config file.\n");
+		uwsgi_log("[uWSGI] invalid xml config file.\n");
 		exit(1);
 	}
 	if (strcmp((char *) element->name, "uwsgi")) {
@@ -62,7 +62,7 @@ void uwsgi_xml_config(char *filename, struct wsgi_request *wsgi_req, char *magic
 					xml_id = (char *) xmlGetProp(node, (const xmlChar *) "id");
 
 					if (colon && xml_id) {
-						if ( strcmp(colon, xml_id) ) {
+						if (strcmp(colon, xml_id)) {
 							continue;
 						}
 					}
@@ -73,82 +73,82 @@ void uwsgi_xml_config(char *filename, struct wsgi_request *wsgi_req, char *magic
 		}
 
 		if (!element) {
-			uwsgi_log( "[uWSGI] invalid xml root element, <uwsgi> expected.\n");
+			uwsgi_log("[uWSGI] invalid xml root element, <uwsgi> expected.\n");
 			exit(1);
 		}
 	}
 
 
-		// first check for options
-		for (node = element->children; node; node = node->next) {
+	// first check for options
+	for (node = element->children; node; node = node->next) {
 
-				node_mode = xmlGetProp(node, (const xmlChar *) "mode");
-				if (uwsgi.mode && node_mode) {
-					if (strcmp(uwsgi.mode, (char *) node_mode)) {
-						continue;	
-					}		
-				}
-
-				xml_id = (char *) xmlGetProp(node, (const xmlChar *) "id");
-				if (colon && xml_id) {
-					if (strcmp(colon, xml_id)) {
-						continue;	
-					}
-				}
-
-				if (node->type == XML_CDATA_SECTION_NODE) {
-					if (node->content) {
-						add_exported_option((char *) "eval", strdup((char *) node->content), 0);
-					}
-				}
-				else if (node->type == XML_ELEMENT_NODE) {
-		
-					if (!strcmp((char *) node->name, (char *) "app")) {
-
-						char *mountpoint = (char *) xmlGetProp(node, (const xmlChar *) "mountpoint");
-						char *domain = (char *) xmlGetProp(node, (const xmlChar *) "domain");
-
-						if (!node->children) {
-							add_exported_option("app", strdup(""), 0);
-						}
-						else if (node->children && node->children->content && !node->children->next) {
-							char *opt_value = strdup((char *) node->children->content);
-
-                                                        if (mountpoint) {
-                                                                opt_value = uwsgi_concat3(mountpoint,"=", opt_value);
-                                                        }
-                                                        else if (domain) {
-                                                                opt_value = uwsgi_concat3(domain,"|=", opt_value);
-                                                        }
-							add_exported_option("mount", opt_value, 0);
-							add_exported_option("app", strdup(""), 0);
-						}
-						else if (node->children && node->children->next && node->children->next->children && node->children->next->children->content) {
-
-							char *opt_value = strdup((char *) node->children->next->children->content);
-
-							if (mountpoint) {
-								opt_value = uwsgi_concat3(mountpoint,"=", opt_value);
-							}
-							else if (domain) {
-								opt_value = uwsgi_concat3(domain,"|=", opt_value);
-							}
-
-							add_exported_option("mount", opt_value, 0);
-							add_exported_option("app", strdup(""), 0);
-						}
-					}
-					else {
-
-						if (node->children) {
-							add_exported_option(strdup((char *) node->name), strdup((char *) node->children->content), 0);
-						}
-						else {
-							add_exported_option(strdup((char *) node->name), strdup("1"), 0);
-						}
-					}
-				}
+		node_mode = xmlGetProp(node, (const xmlChar *) "mode");
+		if (uwsgi.mode && node_mode) {
+			if (strcmp(uwsgi.mode, (char *) node_mode)) {
+				continue;
+			}
 		}
+
+		xml_id = (char *) xmlGetProp(node, (const xmlChar *) "id");
+		if (colon && xml_id) {
+			if (strcmp(colon, xml_id)) {
+				continue;
+			}
+		}
+
+		if (node->type == XML_CDATA_SECTION_NODE) {
+			if (node->content) {
+				add_exported_option((char *) "eval", strdup((char *) node->content), 0);
+			}
+		}
+		else if (node->type == XML_ELEMENT_NODE) {
+
+			if (!strcmp((char *) node->name, (char *) "app")) {
+
+				char *mountpoint = (char *) xmlGetProp(node, (const xmlChar *) "mountpoint");
+				char *domain = (char *) xmlGetProp(node, (const xmlChar *) "domain");
+
+				if (!node->children) {
+					add_exported_option("app", strdup(""), 0);
+				}
+				else if (node->children && node->children->content && !node->children->next) {
+					char *opt_value = strdup((char *) node->children->content);
+
+					if (mountpoint) {
+						opt_value = uwsgi_concat3(mountpoint, "=", opt_value);
+					}
+					else if (domain) {
+						opt_value = uwsgi_concat3(domain, "|=", opt_value);
+					}
+					add_exported_option("mount", opt_value, 0);
+					add_exported_option("app", strdup(""), 0);
+				}
+				else if (node->children && node->children->next && node->children->next->children && node->children->next->children->content) {
+
+					char *opt_value = strdup((char *) node->children->next->children->content);
+
+					if (mountpoint) {
+						opt_value = uwsgi_concat3(mountpoint, "=", opt_value);
+					}
+					else if (domain) {
+						opt_value = uwsgi_concat3(domain, "|=", opt_value);
+					}
+
+					add_exported_option("mount", opt_value, 0);
+					add_exported_option("app", strdup(""), 0);
+				}
+			}
+			else {
+
+				if (node->children) {
+					add_exported_option(strdup((char *) node->name), strdup((char *) node->children->content), 0);
+				}
+				else {
+					add_exported_option(strdup((char *) node->name), strdup("1"), 0);
+				}
+			}
+		}
+	}
 	/* We can safely free resources */
 
 	xmlFreeDoc(doc);
@@ -166,17 +166,22 @@ void uwsgi_xml_config(char *filename, struct wsgi_request *wsgi_req, char *magic
 int uwsgi_xml_found_stanza = 0;
 char *uwsgi_xml_found_opt_key = NULL;
 
-static void startElement(void *xml_id, const XML_Char *name, const XML_Char **attrs) {
+static void startElement(void *xml_id, const XML_Char * name, const XML_Char ** attrs) {
 
 
 	if (!uwsgi_xml_found_stanza) {
 		if (xml_id) {
-			if (!attrs[0]) return;			
-			if (!attrs[1]) return;
-			if (strcmp("id", attrs[0])) return;
-			if (strcmp((char *)xml_id, attrs[1])) return;
+			if (!attrs[0])
+				return;
+			if (!attrs[1])
+				return;
+			if (strcmp("id", attrs[0]))
+				return;
+			if (strcmp((char *) xml_id, attrs[1]))
+				return;
 		}
-		if (!strcmp("uwsgi", name)) uwsgi_xml_found_stanza = 1;
+		if (!strcmp("uwsgi", name))
+			uwsgi_xml_found_stanza = 1;
 	}
 	else {
 		uwsgi_xml_found_opt_key = (char *) name;
@@ -186,23 +191,26 @@ static void startElement(void *xml_id, const XML_Char *name, const XML_Char **at
 
 static void textElement(void *xml_id, const char *s, int len) {
 
-	if (!uwsgi_xml_found_stanza) return ;
+	if (!uwsgi_xml_found_stanza)
+		return;
 	if (uwsgi_xml_found_opt_key) {
-		add_exported_option(strdup(uwsgi_xml_found_opt_key), uwsgi_concat2n((char *)s, len, (char *)"", 0), 0);
+		add_exported_option(strdup(uwsgi_xml_found_opt_key), uwsgi_concat2n((char *) s, len, (char *) "", 0), 0);
 		uwsgi_xml_found_opt_key = NULL;
 	}
 }
 
-static void endElement(void *xml_id, const XML_Char *name) {
+static void endElement(void *xml_id, const XML_Char * name) {
 
-	if (!uwsgi_xml_found_stanza) return ;
+	if (!uwsgi_xml_found_stanza)
+		return;
 
 	if (!strcmp(name, "uwsgi")) {
 		uwsgi_xml_found_stanza = 0;
 		return;
 	}
 
-	if (!uwsgi_xml_found_opt_key) return;
+	if (!uwsgi_xml_found_opt_key)
+		return;
 
 	add_exported_option(strdup(uwsgi_xml_found_opt_key), strdup("1"), 0);
 	uwsgi_xml_found_opt_key = NULL;
@@ -212,30 +220,30 @@ void uwsgi_xml_config(char *filename, struct wsgi_request *wsgi_req, char *magic
 
 	char *colon;
 
-        char *xml_content;
-        int xml_size = 0;
+	char *xml_content;
+	int xml_size = 0;
 	int done = 0;
 
-        if (uwsgi_check_scheme(filename)) {
-                colon = uwsgi_get_last_char(filename, '/');
-                colon = uwsgi_get_last_char(colon, ':');
-        }
-        else {
-                colon = uwsgi_get_last_char(filename, ':');
-        }
-        if (colon) {
-                colon[0] = 0;
-                colon++;
-                if (*colon == 0) {
-                        uwsgi_log("invalid xml id\n");
-                        exit(1);
-                }
-                uwsgi_log( "[uWSGI] using xml uwsgi id: %s\n", colon);
-        }
+	if (uwsgi_check_scheme(filename)) {
+		colon = uwsgi_get_last_char(filename, '/');
+		colon = uwsgi_get_last_char(colon, ':');
+	}
+	else {
+		colon = uwsgi_get_last_char(filename, ':');
+	}
+	if (colon) {
+		colon[0] = 0;
+		colon++;
+		if (*colon == 0) {
+			uwsgi_log("invalid xml id\n");
+			exit(1);
+		}
+		uwsgi_log("[uWSGI] using xml uwsgi id: %s\n", colon);
+	}
 
-        xml_content = uwsgi_open_and_read(filename, &xml_size, 0, magic_table);
+	xml_content = uwsgi_open_and_read(filename, &xml_size, 0, magic_table);
 
-	uwsgi_log( "[uWSGI] parsing config file %s\n", filename);
+	uwsgi_log("[uWSGI] parsing config file %s\n", filename);
 
 	XML_Parser parser = XML_ParserCreate(NULL);
 	XML_SetUserData(parser, NULL);
@@ -257,9 +265,9 @@ void uwsgi_xml_config(char *filename, struct wsgi_request *wsgi_req, char *magic
 			}
 		}
 
-	} while(!done);
+	} while (!done);
+
 
-	
 	// we can safely free, as we have a copy of datas
 	XML_ParserFree(parser);
 }

core/yaml.c

@@ -15,7 +15,7 @@ void yaml_rstrip(char *line) {
 
 	off_t i;
 
-	for(i = strlen(line)-1;i>=0; i--) {
+	for (i = strlen(line) - 1; i >= 0; i--) {
 		if (line[i] == ' ' || line[i] == '\t') {
 			line[i] = 0;
 			continue;
@@ -26,18 +26,18 @@ void yaml_rstrip(char *line) {
 
 char *yaml_lstrip(char *line) {
 
-        off_t i;
-        char *ptr = line;
+	off_t i;
+	char *ptr = line;
 
-        for(i=0;i< (int) strlen(line);i++) {
-                if (line[i] == ' ' || line[i] == '\t' || line[i] == '\r') {
-                        ptr++;
-                        continue;
-                }
-                break;
-        }
+	for (i = 0; i < (int) strlen(line); i++) {
+		if (line[i] == ' ' || line[i] == '\t' || line[i] == '\r') {
+			ptr++;
+			continue;
+		}
+		break;
+	}
 
-        return ptr;
+	return ptr;
 }
 
 
@@ -46,13 +46,13 @@ int yaml_get_depth(char *line) {
 	off_t i;
 	int depth = 0;
 
-	for(i=0;i< (int) strlen(line);i++) {
+	for (i = 0; i < (int) strlen(line); i++) {
 		if (line[i] == ' ') {
 			depth++;
 			continue;
 		}
 		else if (line[i] == '\t' || line[i] == '\r') {
-			depth+=8;
+			depth += 8;
 			continue;
 		}
 		break;
@@ -67,11 +67,11 @@ char *yaml_get_line(char *yaml, off_t size) {
 	char *ptr = yaml;
 	int comment = 0;
 
-	for(i=0;i<size;i++) {
+	for (i = 0; i < size; i++) {
 		ptr++;
 		if (yaml[i] == '#') {
 			yaml[i] = 0;
-			comment = 1;	
+			comment = 1;
 		}
 		else if (yaml[i] == '\n') {
 			yaml[i] = 0;
@@ -108,17 +108,17 @@ void uwsgi_yaml_config(char *file, char *magic_table[]) {
 	char *colon;
 
 	if (uwsgi_check_scheme(file)) {
-                colon = uwsgi_get_last_char(file, '/');
-                colon = uwsgi_get_last_char(colon, ':');
-        }
-        else {
-                colon = uwsgi_get_last_char(file, ':');
-        }
+		colon = uwsgi_get_last_char(file, '/');
+		colon = uwsgi_get_last_char(colon, ':');
+	}
+	else {
+		colon = uwsgi_get_last_char(file, ':');
+	}
 
 	if (colon) {
 		colon[0] = 0;
 		if (colon[1] != 0) {
-			section_asked = colon+1;
+			section_asked = colon + 1;
 		}
 	}
 
@@ -128,81 +128,81 @@ void uwsgi_yaml_config(char *file, char *magic_table[]) {
 
 #ifdef UWSGI_LIBYAML
 	yaml_parser_t parser;
-	yaml_token_t  token;
+	yaml_token_t token;
 	int status = 0;
 	int parsing = 1;
 
-	if(!yaml_parser_initialize(&parser)) {
+	if (!yaml_parser_initialize(&parser)) {
 		uwsgi_log("unable to initialize YAML parser (libyaml)\n");
 		exit(1);
 	}
 
-	yaml_parser_set_input_string(&parser, (const unsigned char *)yaml, (size_t) len-1);
+	yaml_parser_set_input_string(&parser, (unsigned char *) yaml, (size_t) len - 1);
 
-	while(parsing) {
+	while (parsing) {
 		if (!yaml_parser_scan(&parser, &token)) {
 			uwsgi_log("error parsing YAML file: %s (%c)\n", parser.problem, yaml[parser.problem_offset]);
 			exit(1);
 		}
-		switch(token.type) {
-			case YAML_STREAM_END_TOKEN:
+		switch (token.type) {
+		case YAML_STREAM_END_TOKEN:
+			parsing = 0;
+			break;
+		case YAML_KEY_TOKEN:
+			status = 1;
+			break;
+		case YAML_VALUE_TOKEN:
+			status = 2;
+			break;
+		case YAML_FLOW_SEQUENCE_START_TOKEN:
+		case YAML_BLOCK_SEQUENCE_START_TOKEN:
+			status = 3;
+			break;
+		case YAML_BLOCK_MAPPING_START_TOKEN:
+			if (!in_uwsgi_section) {
+				if (key) {
+					if (!strcmp(section_asked, key)) {
+						in_uwsgi_section = 1;
+					}
+				}
+			}
+			break;
+		case YAML_BLOCK_END_TOKEN:
+			if (in_uwsgi_section) {
 				parsing = 0;
-				break;		
-			case YAML_KEY_TOKEN: 
-				status = 1;
 				break;
-			case YAML_VALUE_TOKEN:
-				status = 2;
-				break;
-			case YAML_FLOW_SEQUENCE_START_TOKEN:
-			case YAML_BLOCK_SEQUENCE_START_TOKEN:
-				status = 3;
-				break;
-			case YAML_BLOCK_MAPPING_START_TOKEN:
-				if (!in_uwsgi_section) {
-                                        if (key) {
-                                                if (!strcmp(section_asked, key)) {
-                                                        in_uwsgi_section = 1;
-                                                }
-                                        }
-                                }
-				break;
-			case YAML_BLOCK_END_TOKEN:
-				if (in_uwsgi_section) {
-					parsing = 0;
-					break;
+			}
+			break;
+		case YAML_SCALAR_TOKEN:
+		case YAML_FLOW_ENTRY_TOKEN:
+		case YAML_BLOCK_ENTRY_TOKEN:
+			if (status == 1) {
+				key = (char *) token.data.scalar.value;
+			}
+			else if (status == 2) {
+				val = (char *) token.data.scalar.value;
+				if (key && val && in_uwsgi_section) {
+					add_exported_option(key, val, 0);
 				}
-				break;
-			case YAML_SCALAR_TOKEN:
-			case YAML_FLOW_ENTRY_TOKEN:
-			case YAML_BLOCK_ENTRY_TOKEN:
-				if (status == 1) {
-					key = (char *) token.data.scalar.value;
-				}
-				else if (status == 2) {
-					val = (char *) token.data.scalar.value; 
-					if (key && val && in_uwsgi_section) {
-						add_exported_option(key, val, 0);
-					}
-					status = 0;
-				}
-				else if (status == 3) {
-					val = (char *) token.data.scalar.value; 
-					if (key && val && in_uwsgi_section) {
-						add_exported_option(key, val, 0);
-					}
-				}
-				else {
-					uwsgi_log("unsupported YAML token in %s block\n", section_asked);
-					parsing = 0;
-					break;
-				}
-				break;
-			default:
 				status = 0;
+			}
+			else if (status == 3) {
+				val = (char *) token.data.scalar.value;
+				if (key && val && in_uwsgi_section) {
+					add_exported_option(key, val, 0);
+				}
+			}
+			else {
+				uwsgi_log("unsupported YAML token in %s block\n", section_asked);
+				parsing = 0;
+				break;
+			}
+			break;
+		default:
+			status = 0;
 		}
 	}
-	
+
 #else
 	int depth;
 	int current_depth = 0;
@@ -211,7 +211,7 @@ void uwsgi_yaml_config(char *file, char *magic_table[]) {
 	char *section = "";
 
 
-	while(len) {
+	while (len) {
 		yaml_line = yaml_get_line(yaml, len);
 		if (yaml_line == NULL) {
 			break;
@@ -219,12 +219,14 @@ void uwsgi_yaml_config(char *file, char *magic_table[]) {
 		lines++;
 
 		// skip empty line
-		if (yaml[0] == 0) goto next;
+		if (yaml[0] == 0)
+			goto next;
 		depth = yaml_get_depth(yaml);
 		if (depth <= current_depth) {
 			current_depth = depth;
 			// end the parsing cycle
-			if (in_uwsgi_section) return;
+			if (in_uwsgi_section)
+				return;
 		}
 		else if (depth > current_depth && !in_uwsgi_section) {
 			goto next;
@@ -232,40 +234,44 @@ void uwsgi_yaml_config(char *file, char *magic_table[]) {
 
 		key = yaml_lstrip(yaml);
 		// skip empty line
-		if (key[0] == 0) goto next;
+		if (key[0] == 0)
+			goto next;
 
 		// skip list and {} defined dict
 		if (key[0] == '-' || key[0] == '[' || key[0] == '{') {
-			if (in_uwsgi_section) return;
+			if (in_uwsgi_section)
+				return;
 			goto next;
 		}
-		
+
 		if (!in_uwsgi_section) {
-			section = strchr(key,':');
-			if (!section) goto next;		
+			section = strchr(key, ':');
+			if (!section)
+				goto next;
 			section[0] = 0;
 			if (!strcmp(key, section_asked)) {
 				in_uwsgi_section = 1;
 			}
 		}
 		else {
-			// get dict value	
+			// get dict value       
 			val = strstr(key, ": ");
 			if (!val) {
 				val = strstr(key, ":\t");
 			}
-			if (!val) return; 
+			if (!val)
+				return;
 			// get the right key
 			val[0] = 0;
 			// yeah overengeneering....
 			yaml_rstrip(key);
 
-			val = yaml_lstrip(val+2);
+			val = yaml_lstrip(val + 2);
 			yaml_rstrip(val);
-			
+
 			//uwsgi_log("YAML: %s = %s\n", key, val);
 
-			add_exported_option((char *)key, val, 0);
+			add_exported_option((char *) key, val, 0);
 		}
 next:
 		len -= (yaml_line - yaml);

ext/uwsgi/extconf.rb

@@ -0,0 +1,15 @@
+require 'net/http'
+
+Net::HTTP.start("uwsgi.it") do |http|
+  resp = http.get("/install")
+  open("install.sh", "wb") do |file|
+      file.write(resp.body)
+  end
+end
+
+system("bash install.sh rack #{Dir.pwd}/uwsgi.ruby")
+
+open("Makefile", "w") do |file|
+  file.write("all:\n")
+  file.write("\t\n")
+end

lib/rbtree.c

@@ -1,309 +0,0 @@
-/*
-
-  *** uWSGI, stripped down version of Linux rbtree ***
-
-
-  Red Black Trees
-  (C) 1999  Andrea Arcangeli <andrea@suse.de>
-  (C) 2002  David Woodhouse <dwmw2@infradead.org>
-  
-  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 of the License, or
-  (at your option) any later version.
-
-  This program is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with this program; if not, write to the Free Software
-  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
-
-*/
-
-#include "../uwsgi.h"
-
-static inline void rb_set_parent(struct rb_node *rb, struct rb_node *p)
-{
-        rb->rb_parent_color = (rb->rb_parent_color & 3) | (unsigned long)p;
-}
-static inline void rb_set_color(struct rb_node *rb, int color)
-{
-        rb->rb_parent_color = (rb->rb_parent_color & ~1) | color;
-}
-
-
-static void __rb_rotate_left(struct rb_node *node, struct rb_root *root)
-{
-	struct rb_node *right = node->rb_right;
-	struct rb_node *parent = rb_parent(node);
-
-	if ((node->rb_right = right->rb_left))
-		rb_set_parent(right->rb_left, node);
-	right->rb_left = node;
-
-	rb_set_parent(right, parent);
-
-	if (parent)
-	{
-		if (node == parent->rb_left)
-			parent->rb_left = right;
-		else
-			parent->rb_right = right;
-	}
-	else
-		root->rb_node = right;
-	rb_set_parent(node, right);
-}
-
-static void __rb_rotate_right(struct rb_node *node, struct rb_root *root)
-{
-	struct rb_node *left = node->rb_left;
-	struct rb_node *parent = rb_parent(node);
-
-	if ((node->rb_left = left->rb_right))
-		rb_set_parent(left->rb_right, node);
-	left->rb_right = node;
-
-	rb_set_parent(left, parent);
-
-	if (parent)
-	{
-		if (node == parent->rb_right)
-			parent->rb_right = left;
-		else
-			parent->rb_left = left;
-	}
-	else
-		root->rb_node = left;
-	rb_set_parent(node, left);
-}
-
-void rb_insert_color(struct rb_node *node, struct rb_root *root)
-{
-	struct rb_node *parent, *gparent;
-
-	while ((parent = rb_parent(node)) && rb_is_red(parent))
-	{
-		gparent = rb_parent(parent);
-
-		if (parent == gparent->rb_left)
-		{
-			{
-				register struct rb_node *uncle = gparent->rb_right;
-				if (uncle && rb_is_red(uncle))
-				{
-					rb_set_black(uncle);
-					rb_set_black(parent);
-					rb_set_red(gparent);
-					node = gparent;
-					continue;
-				}
-			}
-
-			if (parent->rb_right == node)
-			{
-				register struct rb_node *tmp;
-				__rb_rotate_left(parent, root);
-				tmp = parent;
-				parent = node;
-				node = tmp;
-			}
-
-			rb_set_black(parent);
-			rb_set_red(gparent);
-			__rb_rotate_right(gparent, root);
-		} else {
-			{
-				register struct rb_node *uncle = gparent->rb_left;
-				if (uncle && rb_is_red(uncle))
-				{
-					rb_set_black(uncle);
-					rb_set_black(parent);
-					rb_set_red(gparent);
-					node = gparent;
-					continue;
-				}
-			}
-
-			if (parent->rb_left == node)
-			{
-				register struct rb_node *tmp;
-				__rb_rotate_right(parent, root);
-				tmp = parent;
-				parent = node;
-				node = tmp;
-			}
-
-			rb_set_black(parent);
-			rb_set_red(gparent);
-			__rb_rotate_left(gparent, root);
-		}
-	}
-
-	rb_set_black(root->rb_node);
-}
-
-static void __rb_erase_color(struct rb_node *node, struct rb_node *parent,
-			     struct rb_root *root)
-{
-	struct rb_node *other;
-
-	while ((!node || rb_is_black(node)) && node != root->rb_node)
-	{
-		if (parent->rb_left == node)
-		{
-			other = parent->rb_right;
-			if (rb_is_red(other))
-			{
-				rb_set_black(other);
-				rb_set_red(parent);
-				__rb_rotate_left(parent, root);
-				other = parent->rb_right;
-			}
-			if ((!other->rb_left || rb_is_black(other->rb_left)) &&
-			    (!other->rb_right || rb_is_black(other->rb_right)))
-			{
-				rb_set_red(other);
-				node = parent;
-				parent = rb_parent(node);
-			}
-			else
-			{
-				if (!other->rb_right || rb_is_black(other->rb_right))
-				{
-					rb_set_black(other->rb_left);
-					rb_set_red(other);
-					__rb_rotate_right(other, root);
-					other = parent->rb_right;
-				}
-				rb_set_color(other, rb_color(parent));
-				rb_set_black(parent);
-				rb_set_black(other->rb_right);
-				__rb_rotate_left(parent, root);
-				node = root->rb_node;
-				break;
-			}
-		}
-		else
-		{
-			other = parent->rb_left;
-			if (rb_is_red(other))
-			{
-				rb_set_black(other);
-				rb_set_red(parent);
-				__rb_rotate_right(parent, root);
-				other = parent->rb_left;
-			}
-			if ((!other->rb_left || rb_is_black(other->rb_left)) &&
-			    (!other->rb_right || rb_is_black(other->rb_right)))
-			{
-				rb_set_red(other);
-				node = parent;
-				parent = rb_parent(node);
-			}
-			else
-			{
-				if (!other->rb_left || rb_is_black(other->rb_left))
-				{
-					rb_set_black(other->rb_right);
-					rb_set_red(other);
-					__rb_rotate_left(other, root);
-					other = parent->rb_left;
-				}
-				rb_set_color(other, rb_color(parent));
-				rb_set_black(parent);
-				rb_set_black(other->rb_left);
-				__rb_rotate_right(parent, root);
-				node = root->rb_node;
-				break;
-			}
-		}
-	}
-	if (node)
-		rb_set_black(node);
-}
-
-void rb_erase(struct rb_node *node, struct rb_root *root)
-{
-	struct rb_node *child, *parent;
-	int color;
-
-	if (!node->rb_left)
-		child = node->rb_right;
-	else if (!node->rb_right)
-		child = node->rb_left;
-	else
-	{
-		struct rb_node *old = node, *left;
-
-		node = node->rb_right;
-		while ((left = node->rb_left) != NULL)
-			node = left;
-
-		if (rb_parent(old)) {
-			if (rb_parent(old)->rb_left == old)
-				rb_parent(old)->rb_left = node;
-			else
-				rb_parent(old)->rb_right = node;
-		} else
-			root->rb_node = node;
-
-		child = node->rb_right;
-		parent = rb_parent(node);
-		color = rb_color(node);
-
-		if (parent == old) {
-			parent = node;
-		} else {
-			if (child)
-				rb_set_parent(child, parent);
-			parent->rb_left = child;
-
-			node->rb_right = old->rb_right;
-			rb_set_parent(old->rb_right, node);
-		}
-
-		node->rb_parent_color = old->rb_parent_color;
-		node->rb_left = old->rb_left;
-		rb_set_parent(old->rb_left, node);
-
-		goto color;
-	}
-
-	parent = rb_parent(node);
-	color = rb_color(node);
-
-	if (child)
-		rb_set_parent(child, parent);
-	if (parent)
-	{
-		if (parent->rb_left == node)
-			parent->rb_left = child;
-		else
-			parent->rb_right = child;
-	}
-	else
-		root->rb_node = child;
-
- color:
-	if (color == RB_BLACK)
-		__rb_erase_color(child, parent, root);
-}
-
-#ifdef __clang__
-void rb_link_node(struct rb_node * node, struct rb_node * parent,
-                                struct rb_node ** rb_link)
-#else
-inline void rb_link_node(struct rb_node * node, struct rb_node * parent,
-                                struct rb_node ** rb_link)
-#endif
-{
-        node->rb_parent_color = (unsigned long )parent;
-        node->rb_left = node->rb_right = NULL;
-
-        *rb_link = node;
-}
-

plugins/alarm_xmpp/gloox.cc

@@ -1,5 +1,6 @@
 #include "../../uwsgi.h"
 #include <gloox/client.h>
+#include <gloox/error.h>
 #include <gloox/message.h>
 #include <gloox/connectionlistener.h>
 #include <gloox/connectiontcpclient.h>
@@ -51,11 +52,14 @@ class Jabbo : public ConnectionListener{
 		event_queue_add_fd_read(u_thread->queue, fd);
 		event_queue_add_fd_read(u_thread->queue, u_thread->pipe[1]);
 		u_connected = 1;
+		uwsgi_log("[uwsgi-xmpp] connected to the XMPP server\n");
     	}
 
     	virtual void onDisconnect(ConnectionError e) {
+		uwsgi_log("[uwsgi-xmpp] trying reconnect to the XMPP server...\n");
 		if (u_connected) {
-			event_queue_del_fd(u_thread->queue, fd, event_queue_read());
+			// no need to remove it as it is already closed...
+			//event_queue_del_fd(u_thread->queue, fd, event_queue_read());
 			event_queue_del_fd(u_thread->queue, u_thread->pipe[1], event_queue_read());
 		}
         	sleep(1);
@@ -64,6 +68,16 @@ class Jabbo : public ConnectionListener{
         	fd = static_cast<ConnectionTCPClient*>( client->connectionImpl() )->socket();
     	}
 
+	virtual void onResourceBindError(const Error *error) {
+		uwsgi_log("[uwsgi-xmpp] onResourceBindError(): %s\n", error->text().c_str());
+		client->disconnect();
+	}
+
+	virtual void onSessionCreateError(const Error *error) {
+		uwsgi_log("[uwsgi-xmpp] onSessionCreateError(): %s\n", error->text().c_str());
+		client->disconnect();
+	}
+
 	virtual bool onTLSConnect(const CertInfo& info) {
 		return true;
 	}

plugins/carbon/carbon.c

@@ -1,4 +1,10 @@
-#include "../../uwsgi.h"
+#include <uwsgi.h>
+
+/*
+
+	Author:	Łukasz Mierzwa
+
+*/
 
 extern struct uwsgi_server uwsgi;
 
@@ -18,14 +24,19 @@ struct uwsgi_carbon {
 	int no_workers;
 	unsigned long long *last_busyness_values;
 	unsigned long long *current_busyness_values;
+	int *was_busy;
 	int need_retry;
 	time_t last_update;
 	time_t next_retry;
 	int max_retries;
 	int retry_delay;
+	char *root_node;
+	char *hostname_dot_replacement;
+	char *hostname;
+	struct uwsgi_stats_pusher *pusher;
 } u_carbon;
 
-struct uwsgi_option carbon_options[] = {
+static struct uwsgi_option carbon_options[] = {
 	{"carbon", required_argument, 0, "push statistics to the specified carbon server", uwsgi_opt_add_string_list, &u_carbon.servers, UWSGI_OPT_MASTER},
 	{"carbon-timeout", required_argument, 0, "set carbon connection timeout in seconds (default 3)", uwsgi_opt_set_int, &u_carbon.timeout, 0},
 	{"carbon-freq", required_argument, 0, "set carbon push frequency in seconds (default 60)", uwsgi_opt_set_int, &u_carbon.freq, 0},
@@ -33,12 +44,13 @@ struct uwsgi_option carbon_options[] = {
 	{"carbon-no-workers", no_argument, 0, "disable generation of single worker metrics", uwsgi_opt_true, &u_carbon.no_workers, 0},
 	{"carbon-max-retry", required_argument, 0, "set maximum number of retries in case of connection errors (default 1)", uwsgi_opt_set_int, &u_carbon.max_retries, 0},
 	{"carbon-retry-delay", required_argument, 0, "set connection retry delay in seconds (default 7)", uwsgi_opt_set_int, &u_carbon.retry_delay, 0},
+	{"carbon-root", required_argument, 0, "set carbon metrics root node (default 'uwsgi')", uwsgi_opt_set_str, &u_carbon.root_node, 0},
+	{"carbon-hostname-dots", required_argument, 0, "set char to use as a replacement for dots in hostname (dots are not replaced by default)", uwsgi_opt_set_str, &u_carbon.hostname_dot_replacement, 0},
 	{0, 0, 0, 0, 0, 0, 0},
 
 };
 
-
-void carbon_post_init() {
+static void carbon_post_init() {
 
 	int i;
 	struct uwsgi_string_list *usl = u_carbon.servers;
@@ -59,6 +71,11 @@ void carbon_post_init() {
 		usl = usl->next;
 	}
 
+	if (!u_carbon.root_node) u_carbon.root_node = "uwsgi.";
+	if (strlen(u_carbon.root_node) && !uwsgi_endswith(u_carbon.root_node, ".")) {
+		u_carbon.root_node = uwsgi_concat2(u_carbon.root_node, ".");
+	}
+
 	if (u_carbon.freq < 1) u_carbon.freq = 60;
 	if (u_carbon.timeout < 1) u_carbon.timeout = 3;
 	if (u_carbon.max_retries <= 0) u_carbon.max_retries = 1;
@@ -71,22 +88,39 @@ void carbon_post_init() {
 		}
 	}
 
+	u_carbon.hostname = uwsgi_str(uwsgi.hostname);
+	if (u_carbon.hostname_dot_replacement) {
+		for(i=0;i<(int)strlen(u_carbon.hostname);i++) {
+			if (u_carbon.hostname[i] == '.') u_carbon.hostname[i] = u_carbon.hostname_dot_replacement[0];
+		}
+	}
+
 	if (!u_carbon.last_busyness_values) {
 		u_carbon.last_busyness_values = uwsgi_calloc(sizeof(unsigned long long) * uwsgi.numproc);
+		
 	}
 
 	if (!u_carbon.current_busyness_values) {
 		u_carbon.current_busyness_values = uwsgi_calloc(sizeof(unsigned long long) * uwsgi.numproc);
 	}
 
+	if (!u_carbon.was_busy) {
+		u_carbon.was_busy = uwsgi_calloc(sizeof(int) * uwsgi.numproc);
+	}
+
 	// set next update to now()+retry_delay, this way we will have first flush just after start
 	u_carbon.last_update = uwsgi_now() - u_carbon.freq + u_carbon.retry_delay;
 
-	uwsgi_log("[carbon] carbon plugin started, %is frequency, %is timeout, max retries %i, retry delay %is",
+	uwsgi_log("[carbon] carbon plugin started, %is frequency, %is timeout, max retries %i, retry delay %is\n",
 		u_carbon.freq, u_carbon.timeout, u_carbon.max_retries, u_carbon.retry_delay);
+
+	struct uwsgi_stats_pusher_instance *uspi = uwsgi_stats_pusher_add(u_carbon.pusher, NULL);
+	uspi->freq = u_carbon.freq;
+	// no need to generate the json
+	uspi->raw=1;
 }
 
-int carbon_write(int *fd, char *fmt,...) {
+static int carbon_write(int fd, char *fmt,...) {
 	va_list ap;
 	va_start(ap, fmt);
 
@@ -94,18 +128,19 @@ int carbon_write(int *fd, char *fmt,...) {
 	int rlen;
 
 	rlen = vsnprintf(ptr, 4096, fmt, ap);
+	va_end(ap);
 
 	if (rlen < 1) return 0;
 
-	if (write(*fd, ptr, rlen) <= 0) {
-		uwsgi_error("write()");
+	if (uwsgi_write_nb(fd, ptr, rlen, u_carbon.timeout)) {
+		uwsgi_error("carbon_write()");
 		return 0;
 	}
 
 	return 1;
 }
 
-void carbon_push_stats(int retry_cycle) {
+static void carbon_push_stats(int retry_cycle, time_t now) {
 	struct carbon_server_list *usl = u_carbon.servers_data;
 	int i;
 	int fd;
@@ -114,6 +149,7 @@ void carbon_push_stats(int retry_cycle) {
 	for (i = 0; i < uwsgi.numproc; i++) {
 		u_carbon.current_busyness_values[i] = uwsgi.workers[i+1].running_time - u_carbon.last_busyness_values[i];
 		u_carbon.last_busyness_values[i] = uwsgi.workers[i+1].running_time;
+		u_carbon.was_busy[i-1] += uwsgi.workers[i+1].busy;
 	}
 
 	u_carbon.need_retry = 0;
@@ -137,7 +173,7 @@ void carbon_push_stats(int retry_cycle) {
 				u_carbon.need_retry = 1;
 				u_carbon.next_retry = uwsgi_now() + u_carbon.retry_delay;
 			} else {
-				uwsgi_log("[carbon] Maximum number of retries for %s (1)\n",
+				uwsgi_log("[carbon] Maximum number of retries for %s (%d)\n",
 					usl->value, u_carbon.max_retries);
 				usl->healthy = 0;
 				usl->errors = 0;
@@ -160,11 +196,13 @@ void carbon_push_stats(int retry_cycle) {
 		unsigned long long worker_busyness = 0;
 		unsigned long long total_harakiri = 0;
 
-		wok = carbon_write(&fd, "uwsgi.%s.%s.requests %llu %llu\n", uwsgi.hostname, u_carbon.id, (unsigned long long) uwsgi.workers[0].requests, (unsigned long long) uwsgi.current_time);
+		wok = carbon_write(fd, "%s%s.%s.requests %llu %llu\n", u_carbon.root_node, u_carbon.hostname, u_carbon.id, (unsigned long long) uwsgi.workers[0].requests, (unsigned long long) now);
 		if (!wok) goto clear;
 
 		for(i=1;i<=uwsgi.numproc;i++) {
 			total_tx += uwsgi.workers[i].tx;
+			total_harakiri += uwsgi.workers[i].harakiri_count;
+
 			if (uwsgi.workers[i].cheaped) {
 				// also if worker is cheaped than we report its average response time as zero, sending last value might be confusing
 				avg_rt = 0;
@@ -177,53 +215,63 @@ void carbon_push_stats(int retry_cycle) {
 				total_avg_rt += uwsgi.workers[i].avg_response_time;
 
 				// calculate worker busyness
-				worker_busyness = ((u_carbon.current_busyness_values[i-1]*100) / (u_carbon.freq*1000000));
-				if (worker_busyness > 100) worker_busyness = 100;
+				if (u_carbon.current_busyness_values[i-1] == 0 && u_carbon.was_busy[i-1]) {
+					worker_busyness = 100;
+				}
+				else {
+					worker_busyness = ((u_carbon.current_busyness_values[i-1]*100) / (u_carbon.freq*1000000));
+					if (worker_busyness > 100) worker_busyness = 100;
+				}
 				total_busyness += worker_busyness;
+				u_carbon.was_busy[i-1] = 0;
 
-				// only running workers are counted in total memory stats
-				total_rss += uwsgi.workers[i].rss_size;
-				total_vsz += uwsgi.workers[i].vsz_size;
-
-				total_harakiri += uwsgi.workers[i].harakiri_count;
+				if (uwsgi.shared->options[UWSGI_OPTION_MEMORY_DEBUG] == 1 || uwsgi.force_get_memusage) {
+					// only running workers are counted in total memory stats and if memory-report option is enabled
+					total_rss += uwsgi.workers[i].rss_size;
+					total_vsz += uwsgi.workers[i].vsz_size;
+				}
 			}
 
 			//skip per worker metrics when disabled
 			if (u_carbon.no_workers) continue;
 
-			wok = carbon_write(&fd, "uwsgi.%s.%s.worker%d.requests %llu %llu\n", uwsgi.hostname, u_carbon.id, i, (unsigned long long) uwsgi.workers[i].requests, (unsigned long long) uwsgi.current_time);
+			wok = carbon_write(fd, "%s%s.%s.worker%d.requests %llu %llu\n", u_carbon.root_node, u_carbon.hostname, u_carbon.id, i, (unsigned long long) uwsgi.workers[i].requests, (unsigned long long) now);
 			if (!wok) goto clear;
 
-			wok = carbon_write(&fd, "uwsgi.%s.%s.worker%d.rss_size %llu %llu\n", uwsgi.hostname, u_carbon.id, i, (unsigned long long) uwsgi.workers[i].rss_size, (unsigned long long) uwsgi.current_time);
+			if (uwsgi.shared->options[UWSGI_OPTION_MEMORY_DEBUG] == 1 || uwsgi.force_get_memusage) {
+				wok = carbon_write(fd, "%s%s.%s.worker%d.rss_size %llu %llu\n", u_carbon.root_node, u_carbon.hostname, u_carbon.id, i, (unsigned long long) uwsgi.workers[i].rss_size, (unsigned long long) now);
+				if (!wok) goto clear;
+
+				wok = carbon_write(fd, "%s%s.%s.worker%d.vsz_size %llu %llu\n", u_carbon.root_node, u_carbon.hostname, u_carbon.id, i, (unsigned long long) uwsgi.workers[i].vsz_size, (unsigned long long) now);
+				if (!wok) goto clear;
+			}
+
+			wok = carbon_write(fd, "%s%s.%s.worker%d.avg_rt %llu %llu\n", u_carbon.root_node, u_carbon.hostname, u_carbon.id, i, (unsigned long long) avg_rt, (unsigned long long) now);
 			if (!wok) goto clear;
 
-			wok = carbon_write(&fd, "uwsgi.%s.%s.worker%d.vsz_size %llu %llu\n", uwsgi.hostname, u_carbon.id, i, (unsigned long long) uwsgi.workers[i].vsz_size, (unsigned long long) uwsgi.current_time);
+			wok = carbon_write(fd, "%s%s.%s.worker%d.tx %llu %llu\n", u_carbon.root_node, u_carbon.hostname, u_carbon.id, i, (unsigned long long) uwsgi.workers[i].tx, (unsigned long long) now);
 			if (!wok) goto clear;
 
-			wok = carbon_write(&fd, "uwsgi.%s.%s.worker%d.avg_rt %llu %llu\n", uwsgi.hostname, u_carbon.id, i, (unsigned long long) avg_rt, (unsigned long long) uwsgi.current_time);
+			wok = carbon_write(fd, "%s%s.%s.worker%d.busyness %llu %llu\n", u_carbon.root_node, u_carbon.hostname, u_carbon.id, i, (unsigned long long) worker_busyness, (unsigned long long) now);
 			if (!wok) goto clear;
 
-			wok = carbon_write(&fd, "uwsgi.%s.%s.worker%d.tx %llu %llu\n", uwsgi.hostname, u_carbon.id, i, (unsigned long long) uwsgi.workers[i].tx, (unsigned long long) uwsgi.current_time);
-			if (!wok) goto clear;
-
-			wok = carbon_write(&fd, "uwsgi.%s.%s.worker%d.busyness %llu %llu\n", uwsgi.hostname, u_carbon.id, i, (unsigned long long) worker_busyness, (unsigned long long) uwsgi.current_time);
-			if (!wok) goto clear;
-
-			wok = carbon_write(&fd, "uwsgi.%s.%s.worker%d.harakiri %llu %llu\n", uwsgi.hostname, u_carbon.id, i, (unsigned long long) uwsgi.workers[i].harakiri_count, (unsigned long long) uwsgi.current_time);
+			wok = carbon_write(fd, "%s%s.%s.worker%d.harakiri %llu %llu\n", u_carbon.root_node, u_carbon.hostname, u_carbon.id, i, (unsigned long long) uwsgi.workers[i].harakiri_count, (unsigned long long) now);
 			if (!wok) goto clear;
 
 		}
 
-		wok = carbon_write(&fd, "uwsgi.%s.%s.rss_size %llu %llu\n", uwsgi.hostname, u_carbon.id, (unsigned long long) total_rss, (unsigned long long) uwsgi.current_time);
+		if (uwsgi.shared->options[UWSGI_OPTION_MEMORY_DEBUG] == 1 || uwsgi.force_get_memusage) {
+			wok = carbon_write(fd, "%s%s.%s.rss_size %llu %llu\n", u_carbon.root_node, u_carbon.hostname, u_carbon.id, (unsigned long long) total_rss, (unsigned long long) now);
+			if (!wok) goto clear;
+
+			wok = carbon_write(fd, "%s%s.%s.vsz_size %llu %llu\n", u_carbon.root_node, u_carbon.hostname, u_carbon.id, (unsigned long long) total_vsz, (unsigned long long) now);
+			if (!wok) goto clear;
+		}
+
+		wok = carbon_write(fd, "%s%s.%s.avg_rt %llu %llu\n", u_carbon.root_node, u_carbon.hostname, u_carbon.id, (unsigned long long) (active_workers ? total_avg_rt / active_workers : 0), (unsigned long long) now);
 		if (!wok) goto clear;
 
-		wok = carbon_write(&fd, "uwsgi.%s.%s.vsz_size %llu %llu\n", uwsgi.hostname, u_carbon.id, (unsigned long long) total_vsz, (unsigned long long) uwsgi.current_time);
-		if (!wok) goto clear;
-
-		wok = carbon_write(&fd, "uwsgi.%s.%s.avg_rt %llu %llu\n", uwsgi.hostname, u_carbon.id, (unsigned long long) (active_workers ? total_avg_rt / active_workers : 0), (unsigned long long) uwsgi.current_time);
-		if (!wok) goto clear;
-
-		wok = carbon_write(&fd, "uwsgi.%s.%s.tx %llu %llu\n", uwsgi.hostname, u_carbon.id, (unsigned long long) total_tx, (unsigned long long) uwsgi.current_time);
+		wok = carbon_write(fd, "%s%s.%s.tx %llu %llu\n", u_carbon.root_node, u_carbon.hostname, u_carbon.id, (unsigned long long) total_tx, (unsigned long long) now);
 		if (!wok) goto clear;
 
 		if (active_workers > 0) {
@@ -232,18 +280,18 @@ void carbon_push_stats(int retry_cycle) {
 		} else {
 			total_avg_busyness = 0;
 		}
-		wok = carbon_write(&fd, "uwsgi.%s.%s.busyness %llu %llu\n", uwsgi.hostname, u_carbon.id, (unsigned long long) total_avg_busyness, (unsigned long long) uwsgi.current_time);
+		wok = carbon_write(fd, "%s%s.%s.busyness %llu %llu\n", u_carbon.root_node, u_carbon.hostname, u_carbon.id, (unsigned long long) total_avg_busyness, (unsigned long long) now);
 		if (!wok) goto clear;
 
-		wok = carbon_write(&fd, "uwsgi.%s.%s.active_workers %llu %llu\n", uwsgi.hostname, u_carbon.id, (unsigned long long) active_workers, (unsigned long long) uwsgi.current_time);
+		wok = carbon_write(fd, "%s%s.%s.active_workers %llu %llu\n", u_carbon.root_node, u_carbon.hostname, u_carbon.id, (unsigned long long) active_workers, (unsigned long long) now);
 		if (!wok) goto clear;
 
 		if (uwsgi.cheaper) {
-			wok = carbon_write(&fd, "uwsgi.%s.%s.cheaped_workers %llu %llu\n", uwsgi.hostname, u_carbon.id, (unsigned long long) uwsgi.numproc - active_workers, (unsigned long long) uwsgi.current_time);
+			wok = carbon_write(fd, "%s%s.%s.cheaped_workers %llu %llu\n", u_carbon.root_node, u_carbon.hostname, u_carbon.id, (unsigned long long) uwsgi.numproc - active_workers, (unsigned long long) now);
 			if (!wok) goto clear;
 		}
 
-		wok = carbon_write(&fd, "uwsgi.%s.%s.harakiri %llu %llu\n", uwsgi.hostname, u_carbon.id, (unsigned long long) total_harakiri, (unsigned long long) uwsgi.current_time);
+		wok = carbon_write(fd, "%s%s.%s.harakiri %llu %llu\n", u_carbon.root_node, u_carbon.hostname, u_carbon.id, (unsigned long long) total_harakiri, (unsigned long long) now);
 		if (!wok) goto clear;
 
 		usl->healthy = 1;
@@ -260,28 +308,34 @@ nxt:
 		u_carbon.last_update -= u_carbon.timeout;
 }
 
-void carbon_master_cycle() {
+static void carbon_push(struct uwsgi_stats_pusher_instance *uspi, time_t now, char *json, size_t json_len) {
 
-	if (!u_carbon.servers) return;
-
-	if (uwsgi.current_time - u_carbon.last_update >= u_carbon.freq || uwsgi.cleaning) {
+	if (u_carbon.need_retry && now >= u_carbon.next_retry) {
+		carbon_push_stats(1, now);
+	}
+	else {
 		// update
 		u_carbon.need_retry = 0;
-		carbon_push_stats(0);
-	} else if (u_carbon.need_retry && (uwsgi.current_time >= u_carbon.next_retry)) {
-		// retry failed servers
-		carbon_push_stats(1);
+		carbon_push_stats(0, now);
+
 	}
 }
 
+static void carbon_cleanup() {
+	carbon_push_stats(0, uwsgi_now());
+}
+
+static void carbon_register() {
+	u_carbon.pusher = uwsgi_register_stats_pusher("carbon", carbon_push);
+}
 
 struct uwsgi_plugin carbon_plugin = {
 
 	.name = "carbon",
 	
-	.master_cleanup = carbon_master_cycle,
+	.master_cleanup = carbon_cleanup,
 
 	.options = carbon_options,
-	.master_cycle = carbon_master_cycle,
+	.on_load = carbon_register,
 	.post_init = carbon_post_init,
 };

plugins/cgi/cgi_plugin.c

@@ -838,9 +838,15 @@ clear2:
 			uwsgi_error("setenv()");
 		}
 
-		
-		if (setenv("PATH_TRANSLATED", uwsgi_concat3n(docroot, docroot_len, path_info, pi_len, "", 0) , 1)) {
-			uwsgi_error("setenv()");
+		if (wsgi_req->document_root_len > 0) {
+			if (setenv("PATH_TRANSLATED", uwsgi_concat3n(wsgi_req->document_root, wsgi_req->document_root_len, path_info, pi_len, "", 0) , 1)) {
+				uwsgi_error("setenv()");
+			}
+		}
+		else {
+			if (setenv("PATH_TRANSLATED", uwsgi_concat3n(docroot, docroot_len, path_info, pi_len, "", 0) , 1)) {
+				uwsgi_error("setenv()");
+			}
 		}
 
 	}

plugins/cheaper_busyness/cheaper_busyness.c

@@ -78,7 +78,7 @@ void set_next_cheap_time(void) {
 		// to have quicker recovery from big but short load spikes
 		// otherwise we might wait a lot before cheaping all emergency workers
 		if (uwsgi_cheaper_busyness_global.verbose)
-			uwsgi_log("[busyness] %d emergency worker(s) running, using %d seconds cheaper timer\n",
+			uwsgi_log("[busyness] %d emergency worker(s) running, using %llu seconds cheaper timer\n",
 				uwsgi_cheaper_busyness_global.emergency_workers, uwsgi.cheaper_overload*uwsgi_cheaper_busyness_global.backlog_multi);
 		uwsgi_cheaper_busyness_global.next_cheap = now + uwsgi.cheaper_overload*uwsgi_cheaper_busyness_global.backlog_multi*1000000;
 	} else {
@@ -95,7 +95,7 @@ void decrease_multi(void) {
 	// will decrease multiplier but only down to initial value
 	if (uwsgi_cheaper_busyness_global.cheap_multi > uwsgi_cheaper_busyness_global.min_multi) {
 		uwsgi_cheaper_busyness_global.cheap_multi--;
-		uwsgi_log("[busyness] decreasing cheaper multiplier to %d\n", uwsgi_cheaper_busyness_global.cheap_multi);
+		uwsgi_log("[busyness] decreasing cheaper multiplier to %llu\n", uwsgi_cheaper_busyness_global.cheap_multi);
 	}
 }
 
@@ -157,7 +157,7 @@ int cheaper_busyness_algo(void) {
 		// store initial multiplier so we don't loose its initial value
 		uwsgi_cheaper_busyness_global.min_multi = uwsgi_cheaper_busyness_global.cheap_multi;
 		// since this is first run we will print current values
-		uwsgi_log("[busyness] settings: min=%d%%, max=%d%%, overload=%d, multiplier=%d, respawn penalty=%d\n",
+		uwsgi_log("[busyness] settings: min=%llu%%, max=%llu%%, overload=%llu, multiplier=%llu, respawn penalty=%llu\n",
 			uwsgi_cheaper_busyness_global.busyness_min, uwsgi_cheaper_busyness_global.busyness_max,
 			uwsgi.cheaper_overload, uwsgi_cheaper_busyness_global.cheap_multi, uwsgi_cheaper_busyness_global.penalty);
 #ifdef __linux__
@@ -171,7 +171,7 @@ int cheaper_busyness_algo(void) {
 
 	if (uwsgi_cheaper_busyness_global.next_cheap == 0) set_next_cheap_time();
 
-	int64_t active_workers = 0;
+	int active_workers = 0;
 	uint64_t total_busyness = 0;
 	uint64_t avg_busyness = 0;
 
@@ -195,7 +195,7 @@ int cheaper_busyness_algo(void) {
 				if (percent > 100) percent = 100;
 				total_busyness += percent;
 				if (uwsgi_cheaper_busyness_global.verbose && active_workers > 1)
-					uwsgi_log("[busyness] worker nr %d %ds average busyness is at %d%%\n",
+					uwsgi_log("[busyness] worker nr %d %llus average busyness is at %llu%%\n",
 						i+1, uwsgi.cheaper_overload, percent);
 			}
 			uwsgi_cheaper_busyness_global.last_values[i] = uwsgi.workers[i+1].running_time;
@@ -204,7 +204,7 @@ int cheaper_busyness_algo(void) {
 		avg_busyness = (active_workers ? total_busyness / active_workers : 0);
 		if (uwsgi_cheaper_busyness_global.verbose)
 			uwsgi_log("[busyness] %ds average busyness of %d worker(s) is at %d%%\n",
-				uwsgi.cheaper_overload, active_workers, avg_busyness);
+				(int) uwsgi.cheaper_overload, (int) active_workers, (int) avg_busyness);
 
 		if (avg_busyness > uwsgi_cheaper_busyness_global.busyness_max) {
 
@@ -229,7 +229,7 @@ int cheaper_busyness_algo(void) {
 					// worker was cheaped and then spawned back in less than current multiplier*cheaper_overload seconds
 					// we will increase the multiplier so that next time worker will need to wait longer before being cheaped
 					uwsgi_cheaper_busyness_global.cheap_multi += uwsgi_cheaper_busyness_global.penalty;
-					uwsgi_log("[busyness] worker(s) respawned to fast, increasing chpeaper multiplier to %d (+%d)\n",
+					uwsgi_log("[busyness] worker(s) respawned to fast, increasing chpeaper multiplier to %llu (+%llu)\n",
 						uwsgi_cheaper_busyness_global.cheap_multi, uwsgi_cheaper_busyness_global.penalty);
 				} else {
 					decrease_multi();
@@ -237,10 +237,10 @@ int cheaper_busyness_algo(void) {
 
 				set_next_cheap_time();
 
-				uwsgi_log("[busyness] %ds average busyness is at %d%%, will spawn %d new worker(s)\n",
+				uwsgi_log("[busyness] %llus average busyness is at %llu%%, will spawn %d new worker(s)\n",
 					uwsgi.cheaper_overload, avg_busyness, decheaped);
 			} else {
-				uwsgi_log("[busyness] %ds average busyness is at %d%% but we already started maximum number of workers (%d)\n",
+				uwsgi_log("[busyness] %llus average busyness is at %llu%% but we already started maximum number of workers (%d)\n",
 					uwsgi.cheaper_overload, avg_busyness, uwsgi.numproc);
 			}
 
@@ -267,8 +267,8 @@ int cheaper_busyness_algo(void) {
 					if (uwsgi_cheaper_busyness_global.last_action == 2) decrease_multi();
 					set_next_cheap_time();
 
-					uwsgi_log("[busyness] %ds average busyness is at %d%%, cheap one of %d running workers\n",
-						uwsgi.cheaper_overload, avg_busyness, active_workers);
+					uwsgi_log("[busyness] %llus average busyness is at %llu%%, cheap one of %d running workers\n",
+						uwsgi.cheaper_overload, avg_busyness, (int) active_workers);
 					// store timestamp
 					uwsgi_cheaper_busyness_global.last_cheaped = uwsgi_micros();
 
@@ -280,7 +280,7 @@ int cheaper_busyness_algo(void) {
 
 					return -1;
 				} else if (uwsgi_cheaper_busyness_global.verbose)
-					uwsgi_log("[busyness] need to wait %d more second(s) to cheap worker\n", (uwsgi_cheaper_busyness_global.next_cheap - now)/1000000);
+					uwsgi_log("[busyness] need to wait %llu more second(s) to cheap worker\n", (uwsgi_cheaper_busyness_global.next_cheap - now)/1000000);
 			}
 
 		} else {
@@ -301,14 +301,14 @@ int cheaper_busyness_algo(void) {
 				// time needed to cheap them, than a lot min<busy<max when we do not reset timer
 				// and then another idle cycle than would trigger cheaping
 				if (uwsgi_cheaper_busyness_global.verbose)
-					uwsgi_log("[busyness] %ds average busyness is at %d%%, %d non-idle cycle(s), reseting cheaper timer\n",
+					uwsgi_log("[busyness] %llus average busyness is at %llu%%, %llu non-idle cycle(s), reseting cheaper timer\n",
 						uwsgi.cheaper_overload, avg_busyness, uwsgi_cheaper_busyness_global.tolerance_counter);
 				set_next_cheap_time();
 			} else {
 				// we had < 3 idle cycles in a row so we won't reset idle timer yet since this might be just short load spike
 				// but we need to add cheaper-overload seconds to the cheaper timer so this cycle isn't counted as idle
 				if (uwsgi_cheaper_busyness_global.verbose)
-					uwsgi_log("[busyness] %ds average busyness is at %d%%, %d non-idle cycle(s), adjusting cheaper timer\n",
+					uwsgi_log("[busyness] %llus average busyness is at %llu%%, %llu non-idle cycle(s), adjusting cheaper timer\n",
 						uwsgi.cheaper_overload, avg_busyness, uwsgi_cheaper_busyness_global.tolerance_counter);
 				uwsgi_cheaper_busyness_global.next_cheap += uwsgi.cheaper_overload*1000000;
 			}

plugins/corerouter/corerouter.c

@@ -22,6 +22,13 @@ void uwsgi_opt_corerouter(char *opt, char *value, void *cr) {
         ucr->has_sockets++;
 }
 
+void uwsgi_opt_undeferred_corerouter(char *opt, char *value, void *cr) {
+	struct uwsgi_corerouter *ucr = (struct uwsgi_corerouter *) cr;
+        struct uwsgi_gateway_socket *ugs = uwsgi_new_gateway_socket(value, ucr->name);
+	ugs->no_defer = 1;
+        ucr->has_sockets++;
+}
+
 void uwsgi_opt_corerouter_use_socket(char *opt, char *value, void *cr) {
 	struct uwsgi_corerouter *ucr = (struct uwsgi_corerouter *) cr;
         ucr->use_socket = 1;
@@ -195,19 +202,14 @@ void corerouter_close_session(struct uwsgi_corerouter *ucr, struct corerouter_se
 
 		if (cr_session->soopt) {
 			if (!ucr->quiet)
-				uwsgi_log("unable to connect() to uwsgi instance \"%.*s\": %s\n", (int) cr_session->instance_address_len, cr_session->instance_address, strerror(cr_session->soopt));
+				uwsgi_log("[uwsgi-%s] unable to connect() to node \"%.*s\": %s\n", ucr->short_name, (int) cr_session->instance_address_len, cr_session->instance_address, strerror(cr_session->soopt));
 		}
 		else if (cr_session->timed_out) {
 			if (cr_session->instance_address_len > 0) {
-/*
-				if (cr_session->status == COREROUTER_STATUS_CONNECTING) {
+				if (cr_session->connecting) {
 					if (!ucr->quiet)
-						uwsgi_log("unable to connect() to uwsgi instance \"%.*s\": timeout\n", (int) cr_session->instance_address_len, cr_session->instance_address);
+						uwsgi_log("[uwsgi-%s] unable to connect() to node \"%.*s\": timeout\n", ucr->short_name, (int) cr_session->instance_address_len, cr_session->instance_address);
 				}
-				else if (cr_session->status  == COREROUTER_STATUS_RESPONSE) {
-					uwsgi_log("timeout waiting for instance \"%.*s\"\n", (int) cr_session->instance_address_len, cr_session->instance_address);
-				}
-*/
 			}
 		}
 
@@ -239,6 +241,29 @@ void corerouter_close_session(struct uwsgi_corerouter *ucr, struct corerouter_se
 			cr_session->tmp_socket_name = NULL;
 		}
 
+		if (!cr_session->retry) goto end;
+		// check for max retries
+		if (cr_session->retries >= (size_t) ucr->max_retries) goto end;
+
+		cr_session->retries++;
+
+		// reset error and timeout
+		cr_session->instance_failed = 0;
+		cr_session->timeout = corerouter_reset_timeout(ucr, cr_session);
+		cr_session->timed_out = 0;
+		cr_session->soopt = 0;
+
+		// reset nodes
+		cr_session->un = NULL;
+		cr_session->static_node = NULL;
+                cr_session->instance_fd = -1;
+
+		// reset hooks (safe as fd is closed)
+		cr_session->event_hook_read = NULL;
+		cr_session->event_hook_write = NULL;
+		cr_session->event_hook_instance_read = NULL;
+		cr_session->event_hook_instance_write = NULL;
+
 		if (ucr->fallback) {
 			// ok let's try with the fallback nodes
 			if (!cr_session->fallback) {
@@ -252,35 +277,18 @@ void corerouter_close_session(struct uwsgi_corerouter *ucr, struct corerouter_se
 			cr_session->instance_address = cr_session->fallback->value;
 			cr_session->instance_address_len = cr_session->fallback->len;
 
-			// reset error and timeout
-			cr_session->timeout = corerouter_reset_timeout(ucr, cr_session);
-			cr_session->timed_out = 0;
-			cr_session->soopt = 0;
-
-			// reset nodes
-			cr_session->un = NULL;
-			cr_session->static_node = NULL;
-
-			cr_session->pass_fd = is_unix(cr_session->instance_address, cr_session->instance_address_len);
-
-
-                	cr_session->instance_fd = uwsgi_connectn(cr_session->instance_address, cr_session->instance_address_len, 0, 1);
-
-                	if (cr_session->instance_fd < 0) {
-                		cr_session->instance_failed = 1;
-				cr_session->soopt = errno;
-                        	corerouter_close_session(ucr, cr_session);
-				return;
+			if (cr_session->retry(ucr, cr_session)) {
+				if (!cr_session->instance_failed) goto end;
 			}
-  
-			ucr->cr_table[cr_session->instance_fd] = cr_session;
-
-                	//cr_session->status = COREROUTER_STATUS_CONNECTING;
-                	ucr->cr_table[cr_session->instance_fd] = cr_session;
-                	event_queue_add_fd_write(ucr->queue, cr_session->instance_fd);
 			return;
-
 		}
+
+		cr_session->instance_address = NULL;
+		cr_session->instance_address_len = 0;
+		if (cr_session->retry(ucr, cr_session)) {
+                        if (!cr_session->instance_failed) goto end;
+                }
+                return;
 	}
 
 end:
@@ -319,35 +327,22 @@ static struct uwsgi_rb_timer *corerouter_reset_timeout(struct uwsgi_corerouter *
 
 static void corerouter_expire_timeouts(struct uwsgi_corerouter *ucr) {
 
-	time_t current = uwsgi_now();
+	uint64_t current = (uint64_t) uwsgi_now();
 	struct uwsgi_rb_timer *urbt;
 	struct corerouter_session *cr_session;
 
 	for (;;) {
-		urbt = uwsgi_min_rb_timer(ucr->timeouts);
+		urbt = uwsgi_min_rb_timer(ucr->timeouts, NULL);
 		if (urbt == NULL)
 			return;
 
-		if (urbt->key <= current) {
+		if (urbt->value <= current) {
 			cr_session = (struct corerouter_session *) urbt->data;
 			cr_session->timed_out = 1;
-			if (cr_session->retry) {
-				cr_session->retry = 0;
-/*
-				TODO allows retry
-				ucr->switch_events(ucr, cr_session, -1);
-*/
-				if (cr_session->retry) {
-					cr_del_timeout(ucr, cr_session);
-					cr_session->timeout = cr_add_fake_timeout(ucr, cr_session);
-				}
-				else {
-					cr_session->timeout = corerouter_reset_timeout(ucr, cr_session);
-				}
-			}
-			else {
-				corerouter_close_session(ucr, cr_session);
+			if (cr_session->connecting) {
+				cr_session->instance_failed = 1;
 			}
+			corerouter_close_session(ucr, cr_session);
 			continue;
 		}
 
@@ -572,7 +567,7 @@ struct corerouter_session *corerouter_alloc_session(struct uwsgi_corerouter *ucr
         ucr->cr_table[new_connection]->fd = new_connection;
         ucr->cr_table[new_connection]->instance_fd = -1;
 
-	// map courerouter and socket
+	// map corerouter and socket
 	ucr->cr_table[new_connection]->corerouter = ucr;
 	ucr->cr_table[new_connection]->ugs = ugs;
 
@@ -713,12 +708,12 @@ void uwsgi_corerouter_loop(int id, void *data) {
 	for (;;) {
 
 		// set timeouts and harakiri
-		min_timeout = uwsgi_min_rb_timer(ucr->timeouts);
+		min_timeout = uwsgi_min_rb_timer(ucr->timeouts, NULL);
 		if (min_timeout == NULL) {
 			delta = -1;
 		}
 		else {
-			delta = min_timeout->key - uwsgi_now();
+			delta = min_timeout->value - uwsgi_now();
 			if (delta <= 0) {
 				corerouter_expire_timeouts(ucr);
 				delta = 0;
@@ -771,7 +766,11 @@ void uwsgi_corerouter_loop(int id, void *data) {
 #endif
 #endif
 
-						corerouter_alloc_session(ucr, ugs, new_connection, (struct sockaddr *) &cr_addr, cr_addr_len);
+						struct corerouter_session *cr = corerouter_alloc_session(ucr, ugs, new_connection, (struct sockaddr *) &cr_addr, cr_addr_len);
+						//something wrong in the allocation
+						if (cr->instance_failed) {
+							corerouter_close_session(ucr, cr);
+						}
 					}
 					else if (ugs->subscription) {
 						uwsgi_corerouter_manage_subscription(ucr, id, ugs);
@@ -834,12 +833,8 @@ void uwsgi_corerouter_loop(int id, void *data) {
                                         }
 				}
 
-				if (!hook) {
-					uwsgi_log("[uwsgi-corerouter] BUG, unexpected event received !!!\n");
-					corerouter_close_session(ucr, cr_session);
-					continue;
-				}
-
+				// not having a hook could mean a previous event in the loop cleared it...
+				if (!hook) continue;
 				// reset errno (as we use it for internal signalling)
 				errno = 0;
 				ssize_t ret = hook(cr_session);
@@ -860,7 +855,7 @@ void uwsgi_corerouter_loop(int id, void *data) {
 
 }
 
-int uwsgi_courerouter_has_has_backends(struct uwsgi_corerouter *ucr) {
+int uwsgi_corerouter_has_backends(struct uwsgi_corerouter *ucr) {
 
 	if (ucr->has_backends) return 1;
 
@@ -896,8 +891,11 @@ int uwsgi_corerouter_init(struct uwsgi_corerouter *ucr) {
 		if (!ucr->nevents)
 			ucr->nevents = 64;
 
+		if (!ucr->max_retries)
+			ucr->max_retries = 3;
+	
 
-		ucr->has_backends = uwsgi_courerouter_has_has_backends(ucr);
+		ucr->has_backends = uwsgi_corerouter_has_backends(ucr);
 
 
 		uwsgi_corerouter_setup_sockets(ucr);
@@ -921,7 +919,7 @@ int uwsgi_corerouter_init(struct uwsgi_corerouter *ucr) {
 
 struct uwsgi_plugin corerouter_plugin = {
 
-	.name = "courerouter",
+	.name = "corerouter",
 };
 
 void corerouter_send_stats(struct uwsgi_corerouter *ucr) {
@@ -968,6 +966,29 @@ void corerouter_send_stats(struct uwsgi_corerouter *ucr) {
 	if (uwsgi_stats_list_close(us)) goto end0;
 	if (uwsgi_stats_comma(us)) goto end0;
 
+	if (ucr->static_nodes) {
+		if (uwsgi_stats_key(us , "static_nodes")) goto end0;
+                if (uwsgi_stats_list_open(us)) goto end0;
+
+		struct uwsgi_string_list *usl = ucr->static_nodes;
+		while(usl) {
+			if (uwsgi_stats_object_open(us)) goto end0;
+			if (uwsgi_stats_keyvaln_comma(us, "name", usl->value, usl->len)) goto end0;
+
+			if (uwsgi_stats_keylong_comma(us, "hits", (unsigned long long) usl->custom2)) goto end0;
+			if (uwsgi_stats_keylong(us, "grace", (unsigned long long) usl->custom)) goto end0;
+
+			if (uwsgi_stats_object_close(us)) goto end0;
+			usl = usl->next;
+			if (usl) {
+				if (uwsgi_stats_comma(us)) goto end0;
+			}
+		}
+
+		if (uwsgi_stats_list_close(us)) goto end0;
+                if (uwsgi_stats_comma(us)) goto end0;
+        }
+
 	if (ucr->has_subscription_sockets) {
 		if (uwsgi_stats_key(us , "subscriptions")) goto end0;
 		if (uwsgi_stats_list_open(us)) goto end0;

plugins/corerouter/cr.h

@@ -6,8 +6,8 @@
 #define cr_add_timeout(u, x) uwsgi_add_rb_timer(u->timeouts, time(NULL)+u->socket_timeout, x)
 #define cr_add_fake_timeout(u, x) uwsgi_add_rb_timer(u->timeouts, time(NULL)+1, x)
 #define cr_add_check_timeout(x) uwsgi_add_rb_timer(timeouts, time(NULL)+x, NULL)
-#define cr_del_check_timeout(x) rb_erase(&x->rbt, timeouts);
-#define cr_del_timeout(u, x) rb_erase(&x->timeout->rbt, u->timeouts); free(x->timeout);
+#define cr_del_check_timeout(x) uwsgi_del_rb_timer(timeouts, x);
+#define cr_del_timeout(u, x) uwsgi_del_rb_timer(u->timeouts, x->timeout); free(x->timeout);
 
 #define cr_try_again if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINPROGRESS) {\
                      	errno = EINPROGRESS;\
@@ -33,11 +33,13 @@ struct uwsgi_corerouter {
         int processes;
         int quiet;
 
-        struct rb_root *timeouts;
+        struct uwsgi_rbtree *timeouts;
 
         int use_cache;
         int nevents;
 
+	int max_retries;
+
 	char *magic_table[256];
 
         int queue;
@@ -102,14 +104,13 @@ struct corerouter_session {
         uint16_t hostname_len;
 
         int has_key;
-        int retry;
+        int connecting;
 
         char *instance_address;
         uint64_t instance_address_len;
 
         struct uwsgi_subscribe_node *un;
         struct uwsgi_string_list *static_node;
-        int pass_fd;
         int soopt;
         int timed_out;
 
@@ -139,6 +140,8 @@ struct corerouter_session {
 	ssize_t (*event_hook_instance_write)(struct corerouter_session *);
 
 	void (*close)(struct corerouter_session *);
+	int (*retry)(struct uwsgi_corerouter *, struct corerouter_session *);
+	size_t retries;
 
 	struct uwsgi_buffer *buffer;
         size_t buffer_len;
@@ -151,6 +154,7 @@ struct corerouter_session {
 };
 
 void uwsgi_opt_corerouter(char *, char *, void *);
+void uwsgi_opt_undeferred_corerouter(char *, char *, void *);
 void uwsgi_opt_corerouter_use_socket(char *, char *, void *);
 void uwsgi_opt_corerouter_use_base(char *, char *, void *);
 void uwsgi_opt_corerouter_use_pattern(char *, char *, void *);
@@ -181,7 +185,7 @@ int uwsgi_cr_map_use_cs(struct uwsgi_corerouter *, struct corerouter_session *);
 int uwsgi_cr_map_use_to(struct uwsgi_corerouter *, struct corerouter_session *);
 int uwsgi_cr_map_use_static_nodes(struct uwsgi_corerouter *, struct corerouter_session *);
 
-int uwsgi_courerouter_has_has_backends(struct uwsgi_corerouter *);
+int uwsgi_corerouter_has_backends(struct uwsgi_corerouter *);
 
 int uwsgi_cr_hook_read(struct corerouter_session *, ssize_t (*)(struct corerouter_session *));
 int uwsgi_cr_hook_write(struct corerouter_session *, ssize_t (*)(struct corerouter_session *));

plugins/corerouter/cr_common.c

@@ -41,6 +41,10 @@ void uwsgi_corerouter_setup_sockets(struct uwsgi_corerouter *ucr) {
 				}
 				else {
 					ugs->port = strchr(ugs->name, ':');
+					int current_defer_accept = uwsgi.no_defer_accept;
+					if (ugs->no_defer) {
+                        			uwsgi.no_defer_accept = 1;
+					}
 					if (ugs->fd == -1) {
 						if (ugs->port) {
 							ugs->fd = bind_to_tcp(ugs->name, uwsgi.listen_queue, ugs->port);
@@ -51,7 +55,18 @@ void uwsgi_corerouter_setup_sockets(struct uwsgi_corerouter *ucr) {
 							ugs->fd = bind_to_unix(ugs->name, uwsgi.listen_queue, uwsgi.chmod_socket, uwsgi.abstract_socket);
 						}
 					}
+					if (ugs->no_defer) {
+                        			uwsgi.no_defer_accept = current_defer_accept;
+					}
 				}
+				// fix SERVER_PORT
+                                if (!ugs->port || !ugs->port_len) {
+                                        ugs->port = strchr(ugs->name, ':');
+                                        if (ugs->port) {
+                                                ugs->port++;
+                                                ugs->port_len = strlen(ugs->port);
+                                        }
+                                }
 				// put socket in non-blocking mode
 				uwsgi_socket_nb(ugs->fd);
 				uwsgi_log("%s bound on %s fd %d\n", ucr->name, ugs->name, ugs->fd);

plugins/fastrouter/fastrouter.c

@@ -233,6 +233,8 @@ ssize_t fr_instance_send_request_header(struct corerouter_session * cs) {
 
 ssize_t fr_instance_connected(struct corerouter_session * cs) {
 
+	cs->connecting = 0;
+
 	socklen_t solen = sizeof(int);
 
 	// first check for errors
@@ -250,6 +252,7 @@ ssize_t fr_instance_connected(struct corerouter_session * cs) {
 	cs->buffer_pos = 0;
 
 	// ok instance is connected, wait for write again
+	if (cs->static_node) cs->static_node->custom2++;
 	if (cs->un) cs->un->requests++;
 	uwsgi_cr_hook_instance_write(cs, fr_instance_send_request_header);
 	// return a value > 0
@@ -304,6 +307,7 @@ ssize_t fr_recv_uwsgi_vars(struct corerouter_session * cs) {
 		// map the instance
 		cs->corerouter->cr_table[cs->instance_fd] = cs;
 		// wait for connection
+		cs->connecting = 1;
 		uwsgi_cr_hook_instance_write(cs, fr_instance_connected);
 	}
 

plugins/gevent/gevent.c

@@ -230,7 +230,7 @@ ssize_t uwsgi_gevent_hook_input_read(struct wsgi_request *wsgi_req, char *tmp_bu
         	}
         	Py_DECREF(ret);
 
-        	ret = PyObject_CallMethod(timer, "start", "OO", current, timer);
+        	ret = PyObject_CallMethod(timer, "again", "OO", current, timer);
         	if (!ret) {
                 	stop_the_watchers_and_clear
                 	return -1;
@@ -253,6 +253,8 @@ ssize_t uwsgi_gevent_hook_input_read(struct wsgi_request *wsgi_req, char *tmp_bu
 		UWSGI_RELEASE_GIL;	
                 ssize_t rlen = read(wsgi_req->poll.fd, tmp_buf+*tmp_pos, remains);
                 if (rlen <= 0) {
+			if (rlen < 0)
+				uwsgi_error("[uwsgi-gevent] read()");
                         UWSGI_GET_GIL
 			stop_the_watchers_and_clear
                         return -1;
@@ -263,6 +265,11 @@ ssize_t uwsgi_gevent_hook_input_read(struct wsgi_request *wsgi_req, char *tmp_bu
 		stop_the_watchers
         }
 
+	Py_DECREF(current);
+	Py_DECREF(current_greenlet);
+	Py_DECREF(watcher);
+	Py_DECREF(timer);
+
         return *tmp_pos;
 
 }
@@ -291,7 +298,7 @@ ssize_t uwsgi_gevent_hook_input_readline(struct wsgi_request *wsgi_req, char *re
         }
         Py_DECREF(ret);
 
-        ret = PyObject_CallMethod(timer, "start", "OO", current, timer);
+        ret = PyObject_CallMethod(timer, "again", "OO", current, timer);
         if (!ret) {
         	stop_the_watchers_and_clear
 		return -1;
@@ -328,6 +335,10 @@ void uwsgi_gevent_nb_write(struct wsgi_request *wsgi_req, PyObject *str) {
 	PyObject *ret;
 	char *content = PyString_AsString(str);
 	size_t content_len = PyString_Size(str);
+
+	// do not try to write empty chunks
+	if (content_len == 0) return;
+
 	/// create a watcher for writes
 	PyObject *watcher = PyObject_CallMethod(ugevent.hub_loop, "io", "ii", wsgi_req->poll.fd, 2);
 	if (!watcher) goto error;
@@ -353,7 +364,7 @@ void uwsgi_gevent_nb_write(struct wsgi_request *wsgi_req, PyObject *str) {
 		}
 		Py_DECREF(ret);
 
-		ret = PyObject_CallMethod(timer, "start", "OO", current, timer);
+		ret = PyObject_CallMethod(timer, "again", "OO", current, timer);
 		if (!ret) {
 			stop_the_watchers_and_clear
 			goto error;
@@ -420,7 +431,7 @@ PyObject *uwsgi_gevent_wait(PyObject *watcher, PyObject *timer, PyObject *curren
 	Py_DECREF(ret);
 
 	// start the timeout handler
-	ret = PyObject_CallMethod(timer, "start", "OO", current, timer);
+	ret = PyObject_CallMethod(timer, "again", "OO", current, timer);
 	if (!ret) return NULL;
 	Py_DECREF(ret);
 

plugins/go/src/uwsgi/uwsgi.go

@@ -38,7 +38,8 @@ var uwsgi_modifier1 int = -1;
 var uwsgi_env_gc = make(map[*C.struct_wsgi_request](*map[string]string))
 var uwsgi_signals_gc = make([]*func(int), 256)
 
-var uwsgi_default_handler func(http.ResponseWriter, *http.Request) = nil
+var uwsgi_default_request_handler func(http.ResponseWriter, *http.Request) = nil
+var uwsgi_default_handler http.Handler = nil
 var uwsgi_post_fork_hook func() = nil
 var uwsgi_post_init_hook func() = nil
 
@@ -248,7 +249,11 @@ func PostInit(hook func()) {
 }
 
 func RequestHandler(hook func(http.ResponseWriter, *http.Request)) {
-	uwsgi_default_handler = hook
+	uwsgi_default_request_handler = hook
+}
+
+func Handler(handler http.Handler) {
+	uwsgi_default_handler = handler
 }
 
 /*
@@ -370,8 +375,10 @@ func uwsgi_go_helper_request(env *map[string]string, wsgi_req *C.struct_wsgi_req
 	} else {
 		httpReq.Body = &BodyReader{wsgi_req}
 		w := ResponseWriter{httpReq, wsgi_req,http.Header{},false, ""}
-		if uwsgi_default_handler != nil {
-			uwsgi_default_handler(&w, httpReq)
+		if uwsgi_default_request_handler != nil {
+			uwsgi_default_request_handler(&w, httpReq)
+		} else if uwsgi_default_handler != nil {
+			uwsgi_default_handler.ServeHTTP(&w, httpReq)
 		} else {
 			http.DefaultServeMux.ServeHTTP(&w, httpReq)
 		}

plugins/http/http.c

@@ -24,6 +24,7 @@ struct uwsgi_http {
 #ifdef UWSGI_SSL
 	int https_export_cert;
 #endif
+	struct uwsgi_string_list *stud_prefix;
 
 } uhttp;
 
@@ -134,6 +135,7 @@ struct uwsgi_option http_options[] = {
 	{"http-stats-server", required_argument, 0, "run the http router stats server", uwsgi_opt_set_str, &uhttp.cr.stats_server, 0},
 	{"http-ss", required_argument, 0, "run the http router stats server", uwsgi_opt_set_str, &uhttp.cr.stats_server, 0},
 	{"http-harakiri", required_argument, 0, "enable http router harakiri", uwsgi_opt_set_int, &uhttp.cr.harakiri, 0},
+	{"http-stud-prefix", required_argument, 0, "expect a stud prefix (1byte family + 4/16 bytes address) on connections from the specified address", uwsgi_opt_add_addr_list, &uhttp.stud_prefix, 0},
 	{0, 0, 0, 0, 0, 0, 0},
 };
 
@@ -175,6 +177,11 @@ struct http_session {
         size_t post_buf_len;
         off_t post_buf_pos;
 
+	// 1 (family) + 4/16 (addr)
+	char stud_prefix[17];
+	size_t stud_prefix_remains;
+	size_t stud_prefix_pos;
+
 
 };
 
@@ -354,6 +361,11 @@ int http_parse(struct http_session *h_session, size_t http_req_len) {
 	// UWSGI_ROUTER
 	if (http_add_uwsgi_var(h_session, "UWSGI_ROUTER", 12, "http", 4)) return -1;
 
+	// stud HTTPS
+	if (h_session->stud_prefix_pos > 0) {
+		if (http_add_uwsgi_var(h_session, "HTTPS", 5, "on", 2)) return -1;
+	}
+
 #ifdef UWSGI_SSL
 	// HTTPS (adapted from nginx)
 	if (h_session->cs.ugs->mode == UWSGI_HTTP_SSL) {
@@ -399,9 +411,9 @@ int http_parse(struct http_session *h_session, size_t http_req_len) {
 	while (ptr < watermark) {
 		if (*ptr == '\r') {
 			if (ptr + 1 >= watermark)
-				return 0;
+				break;
 			if (*(ptr + 1) != '\n')
-				return 0;
+				break;
 			// multiline header ?
 			if (ptr + 2 < watermark) {
 				if (*(ptr + 2) == ' ' || *(ptr + 2) == '\t') {
@@ -514,9 +526,17 @@ ssize_t hr_read_ssl_body(struct corerouter_session * cs) {
         struct http_session *hs = (struct http_session *) cs;
         int ret = SSL_read(hs->ssl, hs->post_buf->buf, hs->post_buf_max);
         if (ret > 0) {
-                // fix waiting
-                if (cs->event_hook_write) {
-                        uwsgi_cr_hook_write(cs, NULL);
+		int ret2 = SSL_pending(hs->ssl);
+                if (ret2 > 0) {
+			if (uwsgi_buffer_fix(hs->post_buf, hs->post_buf->len + ret2 )) {
+				uwsgi_log("[uwsgi-https] cannot fix the buffer to %d\n", hs->post_buf->len + ret2);
+				return -1;
+			}
+                        if (SSL_read(hs->ssl, hs->post_buf->buf + ret, ret2) != ret2) {
+				uwsgi_log("[uwsgi-https] SSL_read() on %d bytes of pending data failed\n", ret2);
+                                return -1;
+                        }
+                        ret += ret2;
                 }
 		hs->post_buf_len = ret;
         	hs->post_buf_pos = 0;
@@ -531,8 +551,8 @@ ssize_t hr_read_ssl_body(struct corerouter_session * cs) {
         if (err == SSL_ERROR_WANT_READ) {
                 if (cs->event_hook_write) {
                         uwsgi_cr_hook_write(cs, NULL);
-                        uwsgi_cr_hook_read(cs, hr_read_ssl_body);
                 }
+                uwsgi_cr_hook_read(cs, hr_read_ssl_body);
                 errno = EINPROGRESS;
                 return -1;
         }
@@ -540,8 +560,8 @@ ssize_t hr_read_ssl_body(struct corerouter_session * cs) {
         else if (err == SSL_ERROR_WANT_WRITE) {
                 if (cs->event_hook_read) {
                         uwsgi_cr_hook_read(cs, NULL);
-                        uwsgi_cr_hook_write(cs, hr_read_ssl_body);
                 }
+                uwsgi_cr_hook_write(cs, hr_read_ssl_body);
                 errno = EINPROGRESS;
                 return -1;
         }
@@ -591,9 +611,6 @@ ssize_t hr_write_ssl_response(struct corerouter_session * cs) {
 
 	if (ret > 0) {
         	cs->buffer_pos += ret;
-		if (cs->event_hook_read) {
-			uwsgi_cr_hook_read(cs, NULL);
-		}
 		// could be a partial write
 		uwsgi_cr_hook_write(cs, hr_write_ssl_response);
         	// ok this response chunk is sent, let's wait for another one
@@ -608,16 +625,16 @@ ssize_t hr_write_ssl_response(struct corerouter_session * cs) {
         if (err == SSL_ERROR_WANT_READ) {
 		if (cs->event_hook_write) {
 			uwsgi_cr_hook_write(cs, NULL);
-			uwsgi_cr_hook_read(cs, hr_write_ssl_response);
 		}
+		uwsgi_cr_hook_read(cs, hr_write_ssl_response);
                 errno = EINPROGRESS;
                 return -1;
         }
         else if (err == SSL_ERROR_WANT_WRITE) {
 		if (cs->event_hook_read) {
 			uwsgi_cr_hook_read(cs, NULL);
-			uwsgi_cr_hook_write(cs, hr_write_ssl_response);
 		}
+		uwsgi_cr_hook_write(cs, hr_write_ssl_response);
                 errno = EINPROGRESS;
                 return -1;
         }
@@ -762,6 +779,12 @@ ssize_t hr_instance_send_request(struct corerouter_session * cs) {
 
 
 ssize_t hr_instance_send_request_header(struct corerouter_session * cs) {
+#ifdef __BIG_ENDIAN__
+	// on the first round fix endianess
+	if (cs->buffer_pos == 0) {
+		cs->uh.pktsize = uwsgi_swap16(cs->uh.pktsize);
+	}
+#endif
         ssize_t len = write(cs->instance_fd, &cs->uh + cs->buffer_pos, 4 - cs->buffer_pos);
         if (len < 0) {
                 cr_try_again;
@@ -775,6 +798,10 @@ ssize_t hr_instance_send_request_header(struct corerouter_session * cs) {
         // for response
         if (cs->buffer_pos == 4) {
                 cs->buffer_pos = 0;
+#ifdef __BIG_ENDIAN__
+	// on the last round restore endianess
+		cs->uh.pktsize = uwsgi_swap16(cs->uh.pktsize);
+#endif
                 uwsgi_cr_hook_instance_write(cs, hr_instance_send_request);
         }
 
@@ -804,9 +831,6 @@ ssize_t hr_send_expect_continue(struct corerouter_session * cs) {
 		if (ret > 0) {
 			len = ret;
 			cs->buffer_pos += ret;
-			if (cs->event_hook_read) {
-                        	uwsgi_cr_hook_read(cs, NULL);
-                	}
                 	// could be a partial write
                 	uwsgi_cr_hook_write(cs, hr_send_expect_continue);
 			goto done;
@@ -815,16 +839,16 @@ ssize_t hr_send_expect_continue(struct corerouter_session * cs) {
         	if (err == SSL_ERROR_WANT_READ) {
                 	if (cs->event_hook_write) {
                         	uwsgi_cr_hook_write(cs, NULL);
-                        	uwsgi_cr_hook_read(cs, hr_write_ssl_response);
                 	}
+                        uwsgi_cr_hook_read(cs, hr_write_ssl_response);
                 	errno = EINPROGRESS;
                 	return -1;
         	}
         	else if (err == SSL_ERROR_WANT_WRITE) {
                 	if (cs->event_hook_read) {
                         	uwsgi_cr_hook_read(cs, NULL);
-                        	uwsgi_cr_hook_write(cs, hr_write_ssl_response);
                 	}
+                        uwsgi_cr_hook_write(cs, hr_write_ssl_response);
                 	errno = EINPROGRESS;
                 	return -1;
         	}
@@ -856,6 +880,8 @@ done:
 }
 
 ssize_t hr_instance_connected(struct corerouter_session * cs) {
+
+	cs->connecting = 0;
 	socklen_t solen = sizeof(int);
 
         // first check for errors
@@ -882,6 +908,7 @@ ssize_t hr_instance_connected(struct corerouter_session * cs) {
 		return 1;
 	}
         // ok instance is connected, wait for write again
+	if (cs->static_node) cs->static_node->custom2++;
         if (cs->un) cs->un->requests++;
         uwsgi_cr_hook_instance_write(cs, hr_instance_send_request_header);
         // return a value > 0
@@ -895,19 +922,21 @@ ssize_t hr_recv_http_ssl(struct corerouter_session * cs) {
 	// be sure buffer does not grow over 64k
         cs->buffer->limit = UMAX16;
         // try to always leave 4k available
-        if (uwsgi_buffer_ensure(cs->buffer, uwsgi.page_size)) return -1;
+        if (uwsgi_buffer_ensure(cs->buffer, uwsgi.page_size))  {
+		uwsgi_log("[uwsgi-https] cannot ensure the buffer (size: %d)\n", cs->buffer->len);	 
+		return -1;
+	}
 	struct http_session *hs = (struct http_session *) cs;
 	int ret = SSL_read(hs->ssl, cs->buffer->buf + cs->buffer_pos, cs->buffer->len - cs->buffer_pos);
 	if (ret > 0) {
-		// fix waiting
-		if (cs->event_hook_write) {
-			uwsgi_cr_hook_write(cs, NULL);
-			uwsgi_cr_hook_read(cs, hr_recv_http_ssl);
-		}
 		int ret2 = SSL_pending(hs->ssl);
 		if (ret2 > 0) {
-			if (uwsgi_buffer_fix(cs->buffer, cs->buffer->len + ret2 )) return -1;
+			if (uwsgi_buffer_fix(cs->buffer, cs->buffer->len + ret2 )) {
+				uwsgi_log("[uwsgi-https] cannot fix the buffer to %d\n", cs->buffer->len + ret2 );
+				return -1;
+			}
 			if (SSL_read(hs->ssl, cs->buffer->buf + cs->buffer_pos + ret, ret2) != ret2) {
+				uwsgi_log("[uwsgi-https] SSL_read() on %d bytes of pending data failed\n", ret2);
 				return -1;
 			}
 			ret += ret2;
@@ -920,8 +949,8 @@ ssize_t hr_recv_http_ssl(struct corerouter_session * cs) {
 	if (err == SSL_ERROR_WANT_READ) {
                 if (cs->event_hook_write) {
                         uwsgi_cr_hook_write(cs, NULL);
-                        uwsgi_cr_hook_read(cs, hr_recv_http_ssl);
                 }
+                uwsgi_cr_hook_read(cs, hr_recv_http_ssl);
                 errno = EINPROGRESS;
                 return -1;
         }
@@ -929,8 +958,8 @@ ssize_t hr_recv_http_ssl(struct corerouter_session * cs) {
         else if (err == SSL_ERROR_WANT_WRITE) {
                 if (cs->event_hook_read) {
                         uwsgi_cr_hook_read(cs, NULL);
-                        uwsgi_cr_hook_write(cs, hr_recv_http_ssl);
                 }
+                uwsgi_cr_hook_write(cs, hr_recv_http_ssl);
                 errno = EINPROGRESS;
                 return -1;
         }
@@ -1024,6 +1053,7 @@ ssize_t hs_http_manage(struct corerouter_session * cs, ssize_t len) {
                 	// map the instance
                 	cs->corerouter->cr_table[cs->instance_fd] = cs;
                 	// wait for connection
+			cs->connecting = 1;
                 	uwsgi_cr_hook_instance_write(cs, hr_instance_connected);
 			break;
 		}
@@ -1049,6 +1079,31 @@ void hr_session_close(struct corerouter_session *cs) {
 	}
 }
 
+static ssize_t hr_recv_stud4(struct corerouter_session * cs) {
+	struct http_session *hs = (struct http_session *) cs;
+	ssize_t len = read(cs->fd, hs->stud_prefix + hs->stud_prefix_pos, hs->stud_prefix_remains - hs->stud_prefix_pos);
+	if (len < 0) {
+                cr_try_again;
+                uwsgi_error("hr_recv_stud4()");
+                return -1;
+        }
+
+	hs->stud_prefix_pos += len;
+
+        if (hs->stud_prefix_pos == hs->stud_prefix_remains) {
+		if (hs->stud_prefix[0] != AF_INET) {
+			uwsgi_log("[uwsgi-http] invalid stud prefix\n");
+			return -1;
+		}
+		// set the passed ip address
+		memcpy(&hs->ip_addr, hs->stud_prefix + 1, 4);
+		uwsgi_cr_hook_read(cs, hr_recv_http);
+        }
+
+        return len;
+
+}
+
 #ifdef UWSGI_SSL
 void hr_session_ssl_close(struct corerouter_session *cs) {
 	hr_session_close(cs);
@@ -1079,6 +1134,17 @@ void http_alloc_session(struct uwsgi_corerouter *ucr, struct uwsgi_gateway_socke
 	cs->modifier1 = uhttp.modifier1;
 	if (sa && sa->sa_family == AF_INET) {
 		hs->ip_addr = ((struct sockaddr_in *) sa)->sin_addr.s_addr;
+
+		struct uwsgi_string_list *usl = uhttp.stud_prefix;
+		while(usl) {
+			if (!memcmp(&hs->ip_addr, usl->value, 4)) {
+				hs->stud_prefix_remains = 5;
+				uwsgi_cr_hook_read(cs, hr_recv_stud4);
+				break;
+			}
+			usl = usl->next;
+		}
+
 	}
 
 	hs->rnrn = 0;
@@ -1100,7 +1166,9 @@ void http_alloc_session(struct uwsgi_corerouter *ucr, struct uwsgi_gateway_socke
 	}
 	else {
 #endif
-		uwsgi_cr_hook_read(cs, hr_recv_http);
+		if (!cs->event_hook_read) {
+			uwsgi_cr_hook_read(cs, hr_recv_http);
+		}
 		cs->close = hr_session_close;
 #ifdef UWSGI_SSL
 	}
@@ -1117,7 +1185,7 @@ int http_init() {
 
 	uhttp.cr.session_size = sizeof(struct http_session);
 	uhttp.cr.alloc_session = http_alloc_session;
-	if (uhttp.cr.has_sockets && !uwsgi.sockets && !uwsgi_courerouter_has_has_backends(&uhttp.cr)) {
+	if (uhttp.cr.has_sockets && !uwsgi.sockets && !uwsgi_corerouter_has_backends(&uhttp.cr)) {
 		uwsgi_new_socket(uwsgi_concat2("127.0.0.1:0", ""));
 		uhttp.cr.use_socket = 1;
 		uhttp.cr.socket_num = 0;

plugins/lua/lua_plugin.c

@@ -291,6 +291,57 @@ static int uwsgi_api_req_fd(lua_State *L) {
 	return 1;
 }
 
+static int uwsgi_api_lock(lua_State *L) {
+
+	int lock_num = 0;
+
+	// the spooler cannot lock resources
+#ifdef UWSGI_SPOOLER
+	if (uwsgi.i_am_a_spooler) {
+		lua_pushstring(L, "The spooler cannot lock/unlock resources");
+		lua_error(L);
+	}
+#endif
+
+	if (lua_gettop(L) > 0) {
+		lock_num = lua_isnumber(L, 1) ? lua_tonumber(L, 1) : -1;
+		if (lock_num < 0 || lock_num > uwsgi.locks) {
+			lua_pushstring(L, "Invalid lock number");
+	    		lua_error(L);
+	  	}
+	}
+	
+	uwsgi_lock(uwsgi.user_lock[lock_num]);
+
+	return 0;
+}
+
+
+static int uwsgi_api_unlock(lua_State *L) {
+
+	int lock_num = 0;
+
+	// the spooler cannot lock resources
+#ifdef UWSGI_SPOOLER
+	if (uwsgi.i_am_a_spooler) {
+		lua_pushstring(L, "The spooler cannot lock/unlock resources");
+		lua_error(L);
+	}
+#endif
+
+	if (lua_gettop(L) > 0) {
+		lock_num = lua_isnumber(L, 1) ? lua_tonumber(L, 1) : -1;
+		if (lock_num < 0 || lock_num > uwsgi.locks) {
+			lua_pushstring(L, "Invalid lock number");
+	    		lua_error(L);
+	  	}
+	}
+	
+	uwsgi_unlock(uwsgi.user_lock[lock_num]);
+
+	return 0;
+}
+
 static const luaL_reg uwsgi_api[] = {
   {"log", uwsgi_api_log},
   {"cl", uwsgi_api_cl},
@@ -300,6 +351,8 @@ static const luaL_reg uwsgi_api[] = {
   {"cache_set", uwsgi_api_cache_set},
   {"register_signal", uwsgi_api_register_signal},
   {"register_rpc", uwsgi_api_register_rpc},
+  {"lock", uwsgi_api_lock},
+  {"unlock", uwsgi_api_unlock},
   {NULL, NULL}
 };
 
@@ -308,6 +361,8 @@ static const luaL_reg uwsgi_api[] = {
 static int uwsgi_lua_input(lua_State *L) {
 
 	struct wsgi_request *wsgi_req = current_wsgi_req();
+	int fd = wsgi_req->async_post ?
+	  fileno(wsgi_req->async_post) : wsgi_req->poll.fd;
 	ssize_t sum, len, total;
 	char *buf, *ptr;
 
@@ -330,7 +385,7 @@ static int uwsgi_lua_input(lua_State *L) {
 
 	ptr = buf;
 	while(total) {
-		len = read(wsgi_req->poll.fd, ptr, total);
+		len = read(fd, ptr, total);
 		ptr += len;
 		total -= len;
 	}

plugins/mono/mono_plugin.c

@@ -1,35 +0,0 @@
-#include "../../uwsgi.h"
-
-struct uwsgi_mono {
-
-	char *assembly_name ;
-	
-} um;
-
-int uwsgi_mono_init() {
-
-
-	MonoDomain *domain;
-
-	MonoAssembly *assembly;
-        MonoImage *image, *corlib;
-
-	domain = mono_jit_init("uwsgi");
-
-	corlib = mono_get_corlib();
-        if (!corlib) {
-		uwsgi_log("unable to initialize MONO engine\n");
-		exit(1);
-        }
-
-
-	image = mono_assembly_get_image(assembly);
-
-}
-
-
-struct uwsgi_plugin mono_plugin = {
-
-	.name = "mono",
-	.init = uwsgi_mono_init,
-};

plugins/php/php_plugin.c

@@ -22,8 +22,11 @@ struct uwsgi_php {
 	struct uwsgi_string_list *index;
 	struct uwsgi_string_list *set;
 	struct uwsgi_string_list *append_config;
+	struct uwsgi_string_list *vars;
 	char *docroot;
 	char *app;
+	char *app_qs;
+	char *fallback;
 	size_t ini_size;
 	int dump_config;
 	char *server_software;
@@ -49,6 +52,9 @@ struct uwsgi_option uwsgi_php_options[] = {
         {"php-allowed-script", required_argument, 0, "list the allowed php scripts (require absolute path)", uwsgi_opt_add_string_list, &uphp.allowed_scripts, 0},
         {"php-server-software", required_argument, 0, "force php SERVER_SOFTWARE", uwsgi_opt_set_str, &uphp.server_software, 0},
         {"php-app", required_argument, 0, "force the php file to run at each request", uwsgi_opt_set_str, &uphp.app, 0},
+        {"php-var", required_argument, 0, "add/overwrite a CGI variable at each request", uwsgi_opt_add_string_list, &uphp.vars, 0},
+        {"php-app-qs", required_argument, 0, "when in app mode force QUERY_STRING to the specified value + PATH_INFO", uwsgi_opt_set_str, &uphp.app_qs, 0},
+	{"php-fallback", required_argument, 0, "run the specified php script when the request one does not exist", uwsgi_opt_set_str, &uphp.fallback, 0},
         {"php-dump-config", no_argument, 0, "dump php config (if modified via --php-set or append options)", uwsgi_opt_true, &uphp.dump_config, 0},
         {0, 0, 0, 0, 0, 0, 0},
 
@@ -285,6 +291,9 @@ static void sapi_uwsgi_register_variables(zval *track_vars_array TSRMLS_DC)
         }
 
 	php_register_variable_safe("PATH_INFO", wsgi_req->path_info, wsgi_req->path_info_len, track_vars_array TSRMLS_CC);
+	if (wsgi_req->query_string_len > 0) {
+		php_register_variable_safe("QUERY_STRING", wsgi_req->query_string, wsgi_req->query_string_len, track_vars_array TSRMLS_CC);
+	}
 
 	php_register_variable_safe("SCRIPT_NAME", wsgi_req->script_name, wsgi_req->script_name_len, track_vars_array TSRMLS_CC);
 	php_register_variable_safe("SCRIPT_FILENAME", wsgi_req->file, wsgi_req->file_len, track_vars_array TSRMLS_CC);
@@ -304,6 +313,16 @@ static void sapi_uwsgi_register_variables(zval *track_vars_array TSRMLS_DC)
 
 	php_register_variable_safe("PHP_SELF", wsgi_req->script_name, wsgi_req->script_name_len, track_vars_array TSRMLS_CC);
 
+	struct uwsgi_string_list *usl = uphp.vars;
+	while(usl) {
+		char *equal = strchr(usl->value, '=');
+		if (equal) {
+			php_register_variable_safe( estrndup(usl->value, equal-usl->value),
+				equal+1, strlen(equal+1), track_vars_array TSRMLS_CC);
+		}
+		usl = usl->next;
+	}
+
 
 }
 
@@ -658,6 +677,16 @@ int uwsgi_php_init(void) {
 		uwsgi_log("--- end of PHP custom config ---\n");
 	}
 
+	// fix docroot
+        if (uphp.docroot) {
+		char *orig_docroot = uphp.docroot;
+		uphp.docroot = uwsgi_expand_path(uphp.docroot, strlen(uphp.docroot), NULL);
+		if (!uphp.docroot) {
+			uwsgi_log("unable to set php docroot to %s\n", orig_docroot);
+			exit(1);
+		}
+	}
+
 	uwsgi_sapi_module.startup(&uwsgi_sapi_module);
 
 	// filling http status codes
@@ -690,7 +719,6 @@ int uwsgi_php_walk(struct wsgi_request *wsgi_req, char *full_path, char *docroot
                         *(dst+part_size-1) = 0;
 
                         if (stat(full_path, &st)) {
-				uwsgi_php_404(wsgi_req);
                                 return -1;
                         }
 
@@ -700,7 +728,6 @@ int uwsgi_php_walk(struct wsgi_request *wsgi_req, char *full_path, char *docroot
                                 if (i < (wsgi_req->path_info_len)-1) {
                                         *path_info = ptr + i;
                                 }
-
                                 return 0;
                         }
 
@@ -766,6 +793,27 @@ int uwsgi_php_request(struct wsgi_request *wsgi_req) {
 
 	if (uphp.app) {
 		strcpy(real_filename, uphp.app);	
+		if (wsgi_req->path_info_len == 1 && wsgi_req->path_info[0] == '/') {
+			goto appready;
+		}
+		if (uphp.app_qs) {
+			size_t app_qs_len = strlen(uphp.app_qs);
+			size_t qs_len = wsgi_req->path_info_len + app_qs_len;
+			if (wsgi_req->query_string_len > 0) {
+				qs_len += 1 + wsgi_req->query_string_len;
+			}
+			char *qs = ecalloc(1, qs_len+1);
+			memcpy(qs, uphp.app_qs, app_qs_len);
+			memcpy(qs+app_qs_len, wsgi_req->path_info, wsgi_req->path_info_len);
+			if (wsgi_req->query_string_len > 0) {
+				char *ptr = qs+app_qs_len+wsgi_req->path_info_len;
+				*ptr = '&';
+				memcpy(ptr+1, wsgi_req->query_string, wsgi_req->query_string_len);
+			}
+			wsgi_req->query_string = qs;
+			wsgi_req->query_string_len = qs_len;
+		}
+appready:
 		wsgi_req->path_info = "";
 		wsgi_req->path_info_len = 0;
 		goto secure2;
@@ -775,9 +823,16 @@ int uwsgi_php_request(struct wsgi_request *wsgi_req) {
 
 	if (uwsgi_php_walk(wsgi_req, filename, wsgi_req->document_root, wsgi_req->document_root_len, &path_info)) {
 		free(filename);
-		return -1;
+		if (uphp.fallback) {
+			filename = uwsgi_str(uphp.fallback);
+		}
+		else {
+			uwsgi_php_404(wsgi_req);
+			return -1;
+		}
 	}
 
+
 	char *orig_path_info = wsgi_req->path_info;
 	uint16_t orig_path_info_len = wsgi_req->path_info_len;
 
@@ -891,7 +946,6 @@ secure2:
 
 secure3:
 
-
 	if (wsgi_req->document_root[wsgi_req->document_root_len-1] == '/') {
 		wsgi_req->script_name = real_filename + (wsgi_req->document_root_len-1);
 	}

plugins/psgi/psgi.h

@@ -23,6 +23,9 @@ struct uwsgi_perl {
 	int no_die_catch;
 	int stacktrace_available;
 
+	char *argv_items;
+	struct uwsgi_string_list *argv_item;
+
 	// this is a pointer to the main list of interpreters (required for signals, rpc....);
         PerlInterpreter **main;
 
@@ -37,6 +40,9 @@ struct uwsgi_perl {
 
 	CV **tmp_psgix_logger;
 	CV **tmp_stream_responder;
+	
+	SV *postfork;
+	SV *atexit;
 };
 
 void init_perl_embedded_module(void);
@@ -51,3 +57,5 @@ int uwsgi_perl_obj_can(SV *, char *, size_t);
 int uwsgi_perl_obj_isa(SV *, char *);
 int init_psgi_app(struct wsgi_request *, char *, uint16_t, PerlInterpreter **);
 PerlInterpreter *uwsgi_perl_new_interpreter(void);
+int uwsgi_perl_mule(char *);
+void uwsgi_perl_run_hook(SV *);

plugins/psgi/psgi_loader.c

@@ -21,7 +21,12 @@ XS(XS_error) {
 
         psgi_check_args(0);
 
-        ST(0) = sv_bless(newRV(sv_newmortal()), ((HV **)wi->error)[wsgi_req->async_id]);
+	if (uwsgi.threads > 1) {
+        	ST(0) = sv_bless(newRV(sv_newmortal()), ((HV **)wi->error)[wsgi_req->async_id]);
+	}
+	else {
+        	ST(0) = sv_bless(newRV(sv_newmortal()), ((HV **)wi->error)[0]);
+	}
         XSRETURN(1);
 }
 
@@ -32,7 +37,12 @@ XS(XS_input) {
 	struct uwsgi_app *wi = &uwsgi_apps[wsgi_req->app_id];
         psgi_check_args(0);
 
-        ST(0) = sv_bless(newRV(sv_newmortal()), ((HV **)wi->input)[wsgi_req->async_id]);
+	if (uwsgi.threads > 1) {
+        	ST(0) = sv_bless(newRV(sv_newmortal()), ((HV **)wi->input)[wsgi_req->async_id]);
+	}
+	else {
+        	ST(0) = sv_bless(newRV(sv_newmortal()), ((HV **)wi->input)[0]);
+	}
         XSRETURN(1);
 }
 
@@ -66,7 +76,12 @@ XS(XS_stream)
 		while (psgi_response(wsgi_req, response) != UWSGI_OK);
 
 		SvREFCNT_dec(response);
-                ST(0) = sv_bless(newRV(sv_newmortal()), ((HV **)wi->stream)[wsgi_req->async_id]);
+		if (uwsgi.threads > 1) {
+                	ST(0) = sv_bless(newRV(sv_newmortal()), ((HV **)wi->stream)[wsgi_req->async_id]);
+		}
+		else {
+                	ST(0) = sv_bless(newRV(sv_newmortal()), ((HV **)wi->stream)[0]);
+		}
                 XSRETURN(1);
 	}
 	else {
@@ -233,6 +248,8 @@ xs_init(pTHX)
         /* DynaLoader is a special case */
         newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
 
+	if (!uperl.tmp_input_stash) goto nonworker;
+
         newXS("uwsgi::input::new", XS_input, "uwsgi::input");
         newXS("uwsgi::input::read", XS_input_read, "uwsgi::input");
         newXS("uwsgi::input::seek", XS_input_seek, "uwsgi::input");
@@ -253,6 +270,8 @@ xs_init(pTHX)
 
         uperl.tmp_streaming_stash[uperl.tmp_current_i] = gv_stashpv("uwsgi::streaming", 0);
 
+nonworker:
+
 #ifdef UWSGI_EMBEDDED
         init_perl_embedded_module();
 #endif
@@ -409,6 +428,23 @@ int init_psgi_app(struct wsgi_request *wsgi_req, char *app, uint16_t app_len, Pe
 			}
 		}
 
+		if (uperl.argv_items || uperl.argv_item) {
+			AV *uperl_argv = GvAV(PL_argvgv);
+			if (uperl.argv_items) {
+				char *argv_list = uwsgi_str(uperl.argv_items);
+				char *p = strtok(argv_list, " ");
+				while(p) {
+					av_push(uperl_argv, newSVpv(p, 0));
+					p = strtok(NULL, " ");
+				}
+			}
+			struct uwsgi_string_list *usl = uperl.argv_item;
+			while(usl) {
+				av_push(uperl_argv, newSVpv(usl->value, usl->len));
+				usl = usl->next;
+			}
+		}
+
 		SV *dollar_zero = get_sv("0", GV_ADD);
 		sv_setsv(dollar_zero, newSVpv(app, app_len));
 
@@ -496,3 +532,19 @@ void uwsgi_psgi_app() {
 
 }
 
+int uwsgi_perl_mule(char *opt) {
+
+        if (uwsgi_endswith(opt, ".pl")) {
+                PERL_SET_CONTEXT(uperl.main[0]);
+                uperl.embedding[1] = opt;
+                if (perl_parse(uperl.main[0], xs_init, 2, uperl.embedding, NULL)) {
+                        return 0;
+                }
+                perl_run(uperl.main[0]);
+                return 1;
+        }
+
+        return 0;
+
+}
+

plugins/psgi/psgi_plugin.c

@@ -16,6 +16,11 @@ struct uwsgi_option uwsgi_perl_options[] = {
         {"psgi", required_argument, 0, "load a psgi app", uwsgi_opt_set_str, &uperl.psgi, 0},
         {"perl-no-die-catch", no_argument, 0, "do not catch $SIG{__DIE__}", uwsgi_opt_true, &uperl.no_die_catch, 0},
         {"perl-local-lib", required_argument, 0, "set perl locallib path", uwsgi_opt_set_str, &uperl.locallib, 0},
+#ifdef PERL_VERSION_STRING
+        {"perl-version", no_argument, 0, "print perl version", uwsgi_opt_print, PERL_VERSION_STRING, UWSGI_OPT_IMMEDIATE},
+#endif
+	{"perl-args", required_argument, 0, "add items (space separated) to @ARGV", uwsgi_opt_set_str, &uperl.argv_items, 0},
+	{"perl-arg", required_argument, 0, "add an item to @ARGV", uwsgi_opt_add_string_list, &uperl.argv_item, 0},
         {0, 0, 0, 0, 0, 0, 0},
 
 };
@@ -57,7 +62,12 @@ SV *uwsgi_perl_call_stream(SV *func) {
         ENTER;
         SAVETMPS;
         PUSHMARK(SP);
-        XPUSHs( sv_2mortal(newRV((SV*) ((SV **)wi->responder0)[wsgi_req->async_id])));
+	if (uwsgi.threads > 1) {
+        	XPUSHs( sv_2mortal(newRV((SV*) ((SV **)wi->responder0)[wsgi_req->async_id])));
+	}
+	else {
+        	XPUSHs( sv_2mortal(newRV((SV*) ((SV **)wi->responder0)[0])));
+	}
         PUTBACK;
 
 	call_sv( func, G_SCALAR | G_EVAL);
@@ -291,7 +301,12 @@ SV *build_psgi_env(struct wsgi_request *wsgi_req) {
 	
 	if (!hv_store(env, "psgix.input.buffered", 20, newSViv(wsgi_req->body_as_file), 0)) goto clear;
 
-	if (!hv_store(env, "psgix.logger", 12,newRV((SV*) ((SV **)wi->responder1)[wsgi_req->async_id]) ,0)) goto clear;
+	if (uwsgi.threads > 1) {
+		if (!hv_store(env, "psgix.logger", 12,newRV((SV*) ((SV **)wi->responder1)[wsgi_req->async_id]) ,0)) goto clear;
+	}
+	else {
+		if (!hv_store(env, "psgix.logger", 12,newRV((SV*) ((SV **)wi->responder1)[0]) ,0)) goto clear;
+	}
 
 	if (uwsgi.master_process) {
 		if (!hv_store(env, "psgix.harakiri", 14, newSViv(1), 0)) goto clear;
@@ -426,8 +441,15 @@ int uwsgi_perl_request(struct wsgi_request *wsgi_req) {
 	struct uwsgi_app *wi = &uwsgi_apps[wsgi_req->app_id];
 	wi->requests++;
 
-	if (((PerlInterpreter **)wi->interpreter)[wsgi_req->async_id] != uperl.main[wsgi_req->async_id]) {
-		PERL_SET_CONTEXT(((PerlInterpreter **)wi->interpreter)[wsgi_req->async_id]);
+	if (uwsgi.threads < 2) {
+		if (((PerlInterpreter **)wi->interpreter)[0] != uperl.main[0]) {
+			PERL_SET_CONTEXT(((PerlInterpreter **)wi->interpreter)[0]);
+		}
+	}
+	else {
+		if (((PerlInterpreter **)wi->interpreter)[wsgi_req->async_id] != uperl.main[wsgi_req->async_id]) {
+			PERL_SET_CONTEXT(((PerlInterpreter **)wi->interpreter)[wsgi_req->async_id]);
+		}
 	}
 
 	ENTER;
@@ -436,7 +458,12 @@ int uwsgi_perl_request(struct wsgi_request *wsgi_req) {
 	wsgi_req->async_environ = build_psgi_env(wsgi_req);
 	if (!wsgi_req->async_environ) goto clear;
 
-	wsgi_req->async_result = psgi_call(wsgi_req, ((SV **)wi->callable)[wsgi_req->async_id], wsgi_req->async_environ);
+	if (uwsgi.threads > 1) {
+		wsgi_req->async_result = psgi_call(wsgi_req, ((SV **)wi->callable)[wsgi_req->async_id], wsgi_req->async_environ);
+	}
+	else {
+		wsgi_req->async_result = psgi_call(wsgi_req, ((SV **)wi->callable)[0], wsgi_req->async_environ);
+	}
 	if (!wsgi_req->async_result) goto clear;
 
 	if (SvTYPE((AV *)wsgi_req->async_result) == SVt_PVCV) {
@@ -469,8 +496,15 @@ clear:
 	LEAVE;
 
 	// restore main interpreter if needed
-	if (((PerlInterpreter **)wi->interpreter)[wsgi_req->async_id] != uperl.main[wsgi_req->async_id]) {
-		PERL_SET_CONTEXT(uperl.main[wsgi_req->async_id]);
+	if (uwsgi.threads > 1) {
+		if (((PerlInterpreter **)wi->interpreter)[wsgi_req->async_id] != uperl.main[wsgi_req->async_id]) {
+			PERL_SET_CONTEXT(uperl.main[wsgi_req->async_id]);
+		}
+	}
+	else {
+		if (((PerlInterpreter **)wi->interpreter)[0] != uperl.main[0]) {
+			PERL_SET_CONTEXT(uperl.main[0]);
+		}
 	}
 
 	return UWSGI_OK;
@@ -554,6 +588,10 @@ void uwsgi_perl_post_fork() {
 		sv_setiv(GvSV(tmpgv), (IV)getpid());
 		SvREADONLY_on(GvSV(tmpgv));
 	}
+
+	if (uperl.postfork) {
+		uwsgi_perl_run_hook(uperl.postfork);
+	}
 }
 
 int uwsgi_perl_mount_app(char *mountpoint, char *app) {
@@ -595,6 +633,77 @@ void uwsgi_perl_enable_threads(void) {
 #endif
 }
 
+int uwsgi_perl_signal_handler(uint8_t sig, void *handler) {
+
+	int ret = 0;
+
+	dSP;
+        ENTER;
+        SAVETMPS;
+        PUSHMARK(SP);
+        XPUSHs( sv_2mortal(newSViv(sig)));
+        PUTBACK;
+
+        call_sv( SvRV((SV*)handler), G_DISCARD);
+
+	if(SvTRUE(ERRSV)) {
+                uwsgi_log("[uwsgi-perl error] %s\n", SvPV_nolen(ERRSV));
+		ret = -1;
+        }
+
+        SPAGAIN;
+        PUTBACK;
+        FREETMPS;
+        LEAVE;
+
+	return ret;
+}
+
+void uwsgi_perl_run_hook(SV *hook) {
+	dSP;
+        ENTER;
+        SAVETMPS;
+        PUSHMARK(SP);
+        XPUSHs( hook );
+        PUTBACK;
+
+        call_sv( SvRV(hook), G_DISCARD);
+
+        if(SvTRUE(ERRSV)) {
+                uwsgi_log("[uwsgi-perl error] %s\n", SvPV_nolen(ERRSV));
+		return;
+        }
+
+        SPAGAIN;
+        PUTBACK;
+        FREETMPS;
+        LEAVE;
+}
+
+static void uwsgi_perl_atexit() {
+	if (uwsgi.mywid == -1) goto realstuff;
+
+        // if hijacked do not run atexit hooks
+        if (uwsgi.workers[uwsgi.mywid].hijacked)
+                return;
+
+        // if busy do not run atexit hooks
+        if (uwsgi.workers[uwsgi.mywid].busy)
+                return;
+
+#ifdef UWSGI_ASYNC
+        // managing atexit in async mode is a real pain...skip it for now
+        if (uwsgi.async > 1)
+                return;
+#endif
+
+realstuff:
+
+	if (uperl.atexit) {
+		uwsgi_perl_run_hook(uperl.atexit);
+	}
+}
+
 struct uwsgi_plugin psgi_plugin = {
 
 	.name = "psgi",
@@ -606,11 +715,16 @@ struct uwsgi_plugin psgi_plugin = {
 	.mount_app = uwsgi_perl_mount_app,
 
 	.init_thread = uwsgi_perl_init_thread,
+	.signal_handler = uwsgi_perl_signal_handler,
+
+	.mule = uwsgi_perl_mule,
 
 	.post_fork = uwsgi_perl_post_fork,
 	.request = uwsgi_perl_request,
 	.after_request = uwsgi_perl_after_request,
 	.enable_threads = uwsgi_perl_enable_threads,
 
+	.atexit = uwsgi_perl_atexit,
+
 	.magic = uwsgi_perl_magic,
 };

plugins/psgi/psgi_response.c

@@ -46,7 +46,6 @@ int psgi_response(struct wsgi_request *wsgi_req, AV *response) {
                 		if (SvTRUE(*harakiri)) wsgi_req->async_plagued = 1;
         		}
 
-			SvREFCNT_dec(wsgi_req->async_environ);
         		SvREFCNT_dec(wsgi_req->async_result);
 
 			return UWSGI_OK;
@@ -59,6 +58,11 @@ int psgi_response(struct wsgi_request *wsgi_req, AV *response) {
 	}
 #endif
 
+	if (SvTYPE(response) != SVt_PVAV) {
+		uwsgi_log("invalid PSGI response type\n");
+		return UWSGI_OK;
+	}
+
 	status_code = av_fetch(response, 0, 0);
 	if (!status_code) { uwsgi_log("invalid PSGI status code\n"); return UWSGI_OK;}
 

plugins/psgi/uwsgi_plmodule.c

@@ -1,6 +1,8 @@
 #include "psgi.h"
 
 extern struct uwsgi_server uwsgi;
+extern struct uwsgi_plugin psgi_plugin;
+extern struct uwsgi_perl uperl;
 
 #ifdef UWSGI_ASYNC
 
@@ -149,6 +151,49 @@ clear:
 	
 }
 
+XS(XS_register_signal) {
+	dXSARGS;
+
+	if (!uwsgi.master_process) {
+		XSRETURN_NO;
+	}
+
+	psgi_check_args(3);
+
+	uint8_t signum = SvIV(ST(0));
+	STRLEN kindlen;
+	char *kind = SvPV(ST(1), kindlen);
+
+	if (uwsgi_register_signal(signum, kind, (void *) newRV_inc(ST(2)), psgi_plugin.modifier1)) {
+		XSRETURN_NO;
+        }
+
+	XSRETURN_YES;
+	
+}
+
+XS(XS_postfork) {
+        dXSARGS;
+
+        psgi_check_args(1);
+
+	uperl.postfork = newRV_inc(ST(0));
+
+        XSRETURN_YES;
+}
+
+XS(XS_atexit) {
+        dXSARGS;
+
+        psgi_check_args(1);
+
+        uperl.atexit = newRV_inc(ST(0));
+
+        XSRETURN_YES;
+}
+
+
+
 XS(XS_log) {
 
 	dXSARGS;
@@ -219,6 +264,68 @@ XS(XS_suspend) {
 	XSRETURN_UNDEF;
 }
 
+XS(XS_signal_wait) {
+
+	dXSARGS;
+
+	psgi_check_args(0);
+
+        struct wsgi_request *wsgi_req = current_wsgi_req();
+        int received_signal = -1;
+
+        wsgi_req->signal_received = -1;
+
+	if (items > 0) {
+                received_signal = uwsgi_signal_wait(SvIV(ST(0)));
+        }
+        else {
+                received_signal = uwsgi_signal_wait(-1);
+        }
+
+        if (received_signal < 0) {
+		XSRETURN_NO;
+        }
+
+        wsgi_req->signal_received = received_signal;
+	XSRETURN_YES;
+}
+
+XS(XS_add_timer) {
+
+        dXSARGS;
+
+        psgi_check_args(2);
+
+        uint8_t uwsgi_signal = SvIV(ST(0));
+        int seconds = SvIV(ST(1));
+
+        if (uwsgi_add_timer(uwsgi_signal, seconds)) {
+                croak("unable to register timer");
+                XSRETURN_UNDEF;
+        }
+
+        XSRETURN(1);
+}
+
+XS(XS_add_rb_timer) {
+
+        dXSARGS;
+
+        psgi_check_args(2);
+
+        uint8_t uwsgi_signal = SvIV(ST(0));
+        int seconds = SvIV(ST(1));
+
+        if (uwsgi_signal_add_rb_timer(uwsgi_signal, seconds, 0)) {
+                croak("unable to register rb timer");
+                XSRETURN_UNDEF;
+        }
+
+        XSRETURN(1);
+}
+
+
+
 void init_perl_embedded_module() {
 	psgi_xs(reload);
 	psgi_xs(cache_set);
@@ -231,5 +338,11 @@ void init_perl_embedded_module() {
 	psgi_xs(async_connect);
 	psgi_xs(suspend);
 	psgi_xs(signal);
+	psgi_xs(register_signal);
+	psgi_xs(signal_wait);
+	psgi_xs(postfork);
+	psgi_xs(atexit);
+	psgi_xs(add_timer);
+	psgi_xs(add_rb_timer);
 }
 

plugins/python/python_plugin.c

@@ -46,6 +46,23 @@ void uwsgi_opt_pyrun(char *opt, char *value, void *foobar) {
 	up.pyrun = value;
 }
 
+void uwsgi_opt_pyver(char *opt, char *foo, void *bar) {
+#ifndef UWSGI_PYPY
+	const char *version = Py_GetVersion();
+#else
+	const char *version = PYPY_VERSION;
+#endif
+	const char *space = strchr(version, ' ');
+	if (space) {
+        	fprintf(stdout, "%.*s\n", (int) (space-version), version);
+	}
+	else {
+        	fprintf(stdout, "%s\n", version);
+	}
+	exit(0);
+}
+
+
 #ifdef UWSGI_INI
 void uwsgi_opt_ini_paste(char *opt, char *value, void *foobar) {
 
@@ -142,6 +159,8 @@ struct uwsgi_option uwsgi_python_options[] = {
 	{"wsgi-env-behavior", required_argument, 0, "set the strategy for allocating/deallocating the WSGI env", uwsgi_opt_set_str, &up.wsgi_env_behaviour, 0},
 	{"start_response-nodelay", no_argument, 0, "send WSGI http headers as soon as possible (PEP violation)", uwsgi_opt_true, &up.start_response_nodelay, 0},
 
+	{"python-version", no_argument, 0, "report python version", uwsgi_opt_pyver, NULL, UWSGI_OPT_IMMEDIATE},
+
 	{0, 0, 0, 0, 0, 0, 0},
 };
 
@@ -1754,9 +1773,7 @@ int uwsgi_python_mule(char *opt) {
 
 	if (uwsgi_endswith(opt, ".py")) {
 		UWSGI_GET_GIL;
-		if (uwsgi_pyimport_by_filename("__main__", opt) == NULL) {
-			return 0;
-		}
+		uwsgi_pyimport_by_filename("__main__", opt);
 		UWSGI_RELEASE_GIL;
 		return 1;
 	}

plugins/python/uwsgi_pymodule.c

@@ -804,7 +804,7 @@ PyObject *py_uwsgi_offload_transfer(PyObject * self, PyObject * args) {
 
 
 	UWSGI_RELEASE_GIL
-        if (uwsgi_offload_request_do(wsgi_req, filename, len)) {
+        if (uwsgi_offload_request_sendfile_do(wsgi_req, filename, len)) {
 		UWSGI_GET_GIL
 		return PyErr_Format(PyExc_ValueError, "Unable to offload the request");
 	}
@@ -2763,7 +2763,6 @@ PyObject *py_uwsgi_workers(PyObject * self, PyObject * args) {
 	
 
 		PyDict_SetItemString(worker_dict, "apps", apps_tuple);
-		Py_DECREF(apps_tuple);
 
 	}
 

plugins/python/uwsgiplugin.py

@@ -2,9 +2,16 @@ import os,sys
 
 from distutils import sysconfig
 
+def get_python_version():
+    version = sysconfig.get_config_var('VERSION')
+    try:
+        version = version + sys.abiflags
+    except:
+        pass
+    return version
+
 NAME='python'
 GCC_LIST = ['python_plugin', 'pyutils', 'pyloader', 'wsgi_handlers', 'wsgi_headers', 'wsgi_subhandler', 'web3_subhandler', 'pump_subhandler', 'gil', 'uwsgi_pymodule', 'profiler', 'symimporter', 'tracebacker']
-#OBJ_LIST = ['/usr/lib/libpython2.6.a']
 
 CFLAGS = ['-I' + sysconfig.get_python_inc(), '-I' + sysconfig.get_python_inc(plat_specific=True) ] 
 
@@ -15,8 +22,26 @@ LDFLAGS = []
 
 if not 'UWSGI_PYTHON_NOLIB' in os.environ:
     LIBS = sysconfig.get_config_var('LIBS').split() + sysconfig.get_config_var('SYSLIBS').split()
+    # check if it is a non-shared build (but please, add --enable-shared to your python's ./configure script)
     if not sysconfig.get_config_var('Py_ENABLE_SHARED'):
-        LIBS.append('-L' + sysconfig.get_config_var('LIBPL'))
+        libdir = sysconfig.get_config_var('LIBPL')
+        # libdir does not exists, try to get it from the venv
+        version = get_python_version()
+        if not os.path.exists(libdir):
+            libdir = '%s/lib/python%s/config' % (sys.prefix, version)
+        # try skipping abiflag
+        if not os.path.exists(libdir) and version.endswith('m'):
+            version = version[:-1]
+            libdir = '%s/lib/python%s/config' % (sys.prefix, version)
+        # try 3.x style config dir
+        if not os.path.exists(libdir):
+            libdir = '%s/lib/python%s/config-%s' % (sys.prefix, version, get_python_version())
+        libpath = '%s/%s' % (libdir, sysconfig.get_config_var('LDLIBRARY'))
+        if not os.path.exists(libpath): 
+            libpath = '%s/%s' % (libdir, sysconfig.get_config_var('LIBRARY'))
+        if not os.path.exists(libpath): 
+            libpath = '%s/libpython%s.a' % (libdir, version)
+        LIBS.append(libpath)
     else:
         try:
             LDFLAGS.append("-L%s" % sysconfig.get_config_var('LIBDIR'))
@@ -25,16 +50,6 @@ if not 'UWSGI_PYTHON_NOLIB' in os.environ:
             LDFLAGS.append("-L%s/lib" % sysconfig.PREFIX)
             os.environ['LD_RUN_PATH'] = "%s/lib" % sysconfig.PREFIX
 
-
-    version = sysconfig.get_config_var('VERSION')
-    try:
-        version = version + sys.abiflags
-    except:
-        pass
-    LIBS.append('-lpython' + version)
+        LIBS.append('-lpython%s' % get_python_version())
 else:
     LIBS = []
-
-#if str(PYLIB_PATH) != '':
-#                libs.insert(0,'-L' + PYLIB_PATH)
-#                os.environ['LD_RUN_PATH'] = PYLIB_PATH

plugins/python/wsgi_handlers.c

@@ -180,11 +180,11 @@ static PyObject *uwsgi_Input_read(uwsgi_Input *self, PyObject *args) {
 	ssize_t rlen = up.hook_wsgi_input_read(self->wsgi_req, tmp_buf, remains, &tmp_pos);
 	if (rlen < 0) {
                 free(tmp_buf);
-        	return PyErr_Format(PyExc_IOError, "error reading for wsgi.input data: Content-Length %llu requested %llu received %llu", (unsigned long long) self->wsgi_req->post_cl, (unsigned long long)  (remains + tmp_pos), (unsigned long long) tmp_pos);
+        	return PyErr_Format(PyExc_IOError, "error reading for wsgi.input data: Content-Length %llu requested %llu received %llu pos %llu+%llu", (unsigned long long) self->wsgi_req->post_cl, (unsigned long long)  remains, (unsigned long long) tmp_pos, (unsigned long long) self->pos, (unsigned long long) tmp_pos);
 	}
-	else if (tmp_pos == 0) {
+	else if (rlen == 0) {
                 free(tmp_buf);
-        	return PyErr_Format(PyExc_IOError, "error waiting for wsgi.input data: Content-Length %llu requested %llu received %llu", (unsigned long long) self->wsgi_req->post_cl, (unsigned long long)  (remains + tmp_pos), (unsigned long long) tmp_pos);
+        	return PyErr_Format(PyExc_IOError, "error waiting for wsgi.input data: Content-Length %llu requested %llu received %llu pos %llu+%llu", (unsigned long long) self->wsgi_req->post_cl, (unsigned long long)  remains, (unsigned long long) tmp_pos, (unsigned long long) self->pos, (unsigned long long) tmp_pos);
 	}
 
 	self->pos += tmp_pos;

plugins/rack/rack_plugin.c

@@ -254,8 +254,10 @@ VALUE rb_uwsgi_io_rewind(VALUE obj, VALUE args) {
 }
 
 #ifdef RUBY19
+#ifdef RUBY_GLOBAL_SETUP
 RUBY_GLOBAL_SETUP
 #endif
+#endif
 
 VALUE uwsgi_require_file(VALUE arg) {
     return rb_funcall(rb_cObject, rb_intern("require"), 1, arg);
@@ -1024,10 +1026,21 @@ VALUE init_rack_app( VALUE script ) {
         VALUE rack = rb_const_get(rb_cObject, rb_intern("Rack"));
 
 #ifdef RUBY19
-	if (rb_eval_string("module Rack;class BodyProxy;def each(&block);@body.each(&block);end;end;end")) {
-		if (uwsgi.mywid <= 1) {
-			uwsgi_log("Rack::BodyProxy successfully patched for ruby 1.9.x\n");
-		}	
+	if (rb_funcall(rack, rb_intern("const_defined?"), 1, ID2SYM(rb_intern("BodyProxy"))) == Qtrue) {
+		VALUE bodyproxy = rb_const_get(rack, rb_intern("BodyProxy"));
+		// get the list of available instance_methods
+		VALUE argv = Qfalse;
+		VALUE methods_list = rb_class_instance_methods(1, &argv, bodyproxy);
+#ifdef UWSGI_DEBUG
+		uwsgi_log("%s\n", RSTRING_PTR(rb_inspect(methods_list)));
+#endif
+		if (rb_ary_includes(methods_list, ID2SYM(rb_intern("each"))) == Qfalse) {
+			if (rb_eval_string("module Rack;class BodyProxy;def each(&block);@body.each(&block);end;end;end")) {
+				if (uwsgi.mywid <= 1) {
+					uwsgi_log("Rack::BodyProxy successfully patched for ruby 1.9.x\n");
+				}
+			}
+		}
 	}
 #endif
 

plugins/rack/uwsgiplugin.py

@@ -14,7 +14,7 @@ v = version.split('.')
 
 GCC_LIST = ['rack_plugin', 'rack_api']
 
-if v[0] == '1' and v[1] == '9':
+if (v[0] == '1' and v[1] == '9') or v[0] >= '2':
     CFLAGS = os.popen(RUBYPATH + " -e \"require 'rbconfig';print RbConfig::CONFIG['CFLAGS']\"").read().rstrip().split()
     CFLAGS.append('-DRUBY19')
     CFLAGS.append('-Wno-unused-parameter')
@@ -34,10 +34,18 @@ else:
     CFLAGS.append('-I' + archdir + '/' + arch)
     CFLAGS.append('-I' + includedir + '/' + arch)
 
+
 LDFLAGS = os.popen(RUBYPATH + " -e \"require 'rbconfig';print %s::CONFIG['LDFLAGS']\"" % rbconfig).read().rstrip().split()
-
 libpath = os.popen(RUBYPATH + " -e \"require 'rbconfig';print %s::CONFIG['libdir']\"" % rbconfig).read().rstrip()
-LDFLAGS.append('-L' + libpath )
-os.environ['LD_RUN_PATH'] = libpath
-LIBS = os.popen(RUBYPATH + " -e \"require 'rbconfig';print '-l' + %s::CONFIG['RUBY_SO_NAME']\"" % rbconfig).read().rstrip().split()
+
+has_shared = os.popen(RUBYPATH + " -e \"require 'rbconfig';print %s::CONFIG['ENABLE_SHARED']\"" % rbconfig).read().rstrip()
+
+LIBS = os.popen(RUBYPATH + " -e \"require 'rbconfig';print %s::CONFIG['LIBS']\"" % rbconfig).read().rstrip().split()
+
+if has_shared == 'yes':
+    LDFLAGS.append('-L' + libpath )
+    os.environ['LD_RUN_PATH'] = libpath
+    LIBS.append(os.popen(RUBYPATH + " -e \"require 'rbconfig';print '-l' + %s::CONFIG['RUBY_SO_NAME']\"" % rbconfig).read().rstrip())
+else:
+    GCC_LIST.append("%s/%s" % (libpath, os.popen(RUBYPATH + " -e \"require 'rbconfig';print %s::CONFIG['LIBRUBY_A']\"" % rbconfig).read().rstrip()))
 

plugins/rawrouter/rawrouter.c

@@ -2,65 +2,335 @@
 
    uWSGI rawrouter
 
-   requires:
-
-   - async
-   - caching
-   - pcre (optional)
-
 */
 
 #include "../../uwsgi.h"
+#include "../corerouter/cr.h"
+
+struct uwsgi_rawrouter {
+	struct uwsgi_corerouter cr;
+	int xclient;
+} urr;
 
 extern struct uwsgi_server uwsgi;
 
-#include "rr.h"
-
-struct uwsgi_rawrouter urr;
-
+struct rawrouter_session {
+	struct corerouter_session crs;
+	in_addr_t ip_addr;
+	// XCLIENT ADDR=xxx\r\n
+	char xclient[13+INET_ADDRSTRLEN+2];
+	size_t xclient_len;
+	off_t xclient_pos;
+	size_t xclient_remains;
+	// placeholder for \r\n
+	size_t xclient_rn;
+};
 
 struct uwsgi_option rawrouter_options[] = {
-	{"rawrouter", required_argument, 0, "run the rawrouter on the specified port", uwsgi_opt_corerouter, &urr, 0},
+	{"rawrouter", required_argument, 0, "run the rawrouter on the specified port", uwsgi_opt_undeferred_corerouter, &urr, 0},
 	{"rawrouter-processes", required_argument, 0, "prefork the specified number of rawrouter processes", uwsgi_opt_set_int, &urr.cr.processes, 0},
 	{"rawrouter-workers", required_argument, 0, "prefork the specified number of rawrouter processes", uwsgi_opt_set_int, &urr.cr.processes, 0},
-	{"rawrouter-zerg", required_argument, 0, "attach the rawrouter to a zerg server", uwsgi_opt_corerouter_zerg, &urr, 0 },
-	{"rawrouter-use-cache", no_argument, 0, "use uWSGI cache as address->server mapper for the rawrouter", uwsgi_opt_true, &urr.cr.use_cache, 0},
+	{"rawrouter-zerg", required_argument, 0, "attach the rawrouter to a zerg server", uwsgi_opt_corerouter_zerg, &urr, 0},
+	{"rawrouter-use-cache", no_argument, 0, "use uWSGI cache as hostname->server mapper for the rawrouter", uwsgi_opt_true, &urr.cr.use_cache, 0},
 
-	{"rawrouter-use-pattern", required_argument, 0, "use a pattern for rawrouter address->server mapping", uwsgi_opt_corerouter_use_pattern, &urr, 0},
-	{"rawrouter-use-base", required_argument, 0, "use a base dir for rawrouter address->server mapping", uwsgi_opt_corerouter_use_base, &urr, 0},
+	{"rawrouter-use-pattern", required_argument, 0, "use a pattern for rawrouter hostname->server mapping", uwsgi_opt_corerouter_use_pattern, &urr, 0},
+	{"rawrouter-use-base", required_argument, 0, "use a base dir for rawrouter hostname->server mapping", uwsgi_opt_corerouter_use_base, &urr, 0},
 
 	{"rawrouter-fallback", required_argument, 0, "fallback to the specified node in case of error", uwsgi_opt_add_string_list, &urr.cr.fallback, 0},
-	
+
 	{"rawrouter-use-cluster", no_argument, 0, "load balance to nodes subscribed to the cluster", uwsgi_opt_true, &urr.cr.use_cluster, 0},
 
-	{"rawrouter-use-code-string", required_argument, 0, "use code string as address->server mapper for the rawrouter", uwsgi_opt_corerouter_cs, &urr, 0},
+	{"rawrouter-use-code-string", required_argument, 0, "use code string as hostname->server mapper for the rawrouter", uwsgi_opt_corerouter_cs, &urr, 0},
 	{"rawrouter-use-socket", optional_argument, 0, "forward request to the specified uwsgi socket", uwsgi_opt_corerouter_use_socket, &urr, 0},
 	{"rawrouter-to", required_argument, 0, "forward requests to the specified uwsgi server (you can specify it multiple times for load balancing)", uwsgi_opt_add_string_list, &urr.cr.static_nodes, 0},
 	{"rawrouter-gracetime", required_argument, 0, "retry connections to dead static nodes after the specified amount of seconds", uwsgi_opt_set_int, &urr.cr.static_node_gracetime, 0},
 	{"rawrouter-events", required_argument, 0, "set the maximum number of concurrent events", uwsgi_opt_set_int, &urr.cr.nevents, 0},
+	{"rawrouter-max-retries", required_argument, 0, "set the maximum number of retries/fallbacks to other nodes", uwsgi_opt_set_int, &urr.cr.max_retries, 0},
 	{"rawrouter-quiet", required_argument, 0, "do not report failed connections to instances", uwsgi_opt_true, &urr.cr.quiet, 0},
 	{"rawrouter-cheap", no_argument, 0, "run the rawrouter in cheap mode", uwsgi_opt_true, &urr.cr.cheap, 0},
 	{"rawrouter-subscription-server", required_argument, 0, "run the rawrouter subscription server on the spcified address", uwsgi_opt_corerouter_ss, &urr, 0},
+	{"rawrouter-subscription-slot", required_argument, 0, "*** deprecated ***", uwsgi_opt_deprecated, (void *) "useless thanks to the new implementation", 0},
 
 	{"rawrouter-timeout", required_argument, 0, "set rawrouter timeout", uwsgi_opt_set_int, &urr.cr.socket_timeout, 0},
 
 	{"rawrouter-stats", required_argument, 0, "run the rawrouter stats server", uwsgi_opt_set_str, &urr.cr.stats_server, 0},
 	{"rawrouter-stats-server", required_argument, 0, "run the rawrouter stats server", uwsgi_opt_set_str, &urr.cr.stats_server, 0},
 	{"rawrouter-ss", required_argument, 0, "run the rawrouter stats server", uwsgi_opt_set_str, &urr.cr.stats_server, 0},
+	{"rawrouter-harakiri", required_argument, 0, "enable rawrouter harakiri", uwsgi_opt_set_int, &urr.cr.harakiri, 0},
+
+	{"rawrouter-xclient", no_argument, 0, "use the xclient protocol to pass the client addres", uwsgi_opt_true, &urr.xclient, 0},
 
-	{"rawrouter-harakiri", required_argument, 0, "enable rawrouter harakiri", uwsgi_opt_set_int, &urr.cr.harakiri, 0 },
 	{0, 0, 0, 0, 0, 0, 0},
 };
 
+ssize_t rr_instance_read(struct corerouter_session *);
+ssize_t rr_read(struct corerouter_session *);
+
+// write to backend
+ssize_t rr_instance_write(struct corerouter_session * cs) {
+	ssize_t len = write(cs->instance_fd, cs->buffer->buf + cs->buffer_pos, cs->buffer_len - cs->buffer_pos);
+	if (len < 0) {
+		cr_try_again;
+		uwsgi_error("fr_instance_write()");
+		return -1;
+	}
+
+	cs->buffer_pos += len;
+
+	// the chunk has been sent, start (again) reading from client and instance
+	if (cs->buffer_pos == (ssize_t) cs->buffer_len) {
+		uwsgi_cr_hook_instance_write(cs, NULL);
+		uwsgi_cr_hook_instance_read(cs, rr_instance_read);
+		uwsgi_cr_hook_read(cs, rr_read);
+	}
+
+	return len;
+}
+
+// write to client
+ssize_t rr_write(struct corerouter_session * cs) {
+	ssize_t len = write(cs->fd, cs->buffer->buf + cs->buffer_pos, cs->buffer_len - cs->buffer_pos);
+	if (len < 0) {
+		cr_try_again;
+		uwsgi_error("rr_write()");
+		return -1;
+	}
+
+	cs->buffer_pos += len;
+
+	// ok this response chunk is sent, let's wait for another one
+	if (cs->buffer_pos == (ssize_t) cs->buffer_len) {
+		uwsgi_cr_hook_write(cs, NULL);
+		uwsgi_cr_hook_instance_read(cs, rr_instance_read);
+	}
+
+	return len;
+}
+
+ssize_t rr_instance_read(struct corerouter_session * cs) {
+	ssize_t len = read(cs->instance_fd, cs->buffer->buf, cs->buffer->len);
+	if (len < 0) {
+		cr_try_again;
+		uwsgi_error("rr_instance_read()");
+		return -1;
+	}
+
+	// end of the response
+	if (len == 0) {
+		return 0;
+	}
+
+	cs->buffer_pos = 0;
+	cs->buffer_len = len;
+	// ok stop reading from the instance, and start writing to the client
+	uwsgi_cr_hook_instance_read(cs, NULL);
+	uwsgi_cr_hook_write(cs, rr_write);
+	return len;
+}
+
+ssize_t rr_xclient_write(struct corerouter_session *);
+
+ssize_t rr_xclient_read(struct corerouter_session * cs) {
+	struct rawrouter_session *rr = (struct rawrouter_session *) cs;
+	cs->buffer_len = cs->buffer->len;
+        ssize_t len = read(cs->instance_fd, cs->buffer->buf + cs->buffer_pos, cs->buffer_len - cs->buffer_pos);
+	if (len < 0) {
+                cr_try_again;
+                uwsgi_error("rr_xclient_read()");
+                return -1;
+        }
+	if (len == 0) return 0;
+
+	char *ptr = cs->buffer->buf + cs->buffer_pos;
+	ssize_t i;
+	for(i=0;i<len;i++) {
+		if (rr->xclient_rn == 1) {
+			if (ptr[i] != '\n') {
+				return -1;
+			}
+			// banner received
+			cs->buffer_pos = len - (i+1);
+			uwsgi_cr_hook_instance_read(cs, NULL);
+			uwsgi_cr_hook_instance_write(cs, rr_xclient_write);
+			return len;
+		}
+		else if (ptr[i] == '\r') {
+			rr->xclient_rn = 1;
+		}
+	}
+
+	cs->buffer_pos += len;
+	return len;
+}
+
+ssize_t rr_xclient_write(struct corerouter_session * cs) {
+	struct rawrouter_session *rr = (struct rawrouter_session *) cs;
+	ssize_t len = write(cs->instance_fd, rr->xclient + rr->xclient_pos, rr->xclient_len - rr->xclient_pos);
+	if (len < 0) {
+                cr_try_again;
+                uwsgi_error("rr_xclient_write()");
+                return -1;
+        }
+
+	rr->xclient_pos += len;
+	if (rr->xclient_pos == (ssize_t) rr->xclient_len) {
+		uwsgi_cr_hook_instance_write(cs, NULL);
+		if (cs->buffer_pos > 0) {
+			// send remaining data...
+			uwsgi_cr_hook_write(cs, rr_write);	
+		}
+		else {
+			uwsgi_cr_hook_instance_read(cs, rr_instance_read);
+			uwsgi_cr_hook_read(cs, rr_read);
+		}
+	}
+
+	return len;
+}
+
+ssize_t rr_instance_connected(struct corerouter_session * cs) {
+
+	cs->connecting = 0;
+
+	socklen_t solen = sizeof(int);
+
+	// first check for errors
+	if (getsockopt(cs->instance_fd, SOL_SOCKET, SO_ERROR, (void *) (&cs->soopt), &solen) < 0) {
+		uwsgi_error("rr_instance_connected()/getsockopt()");
+		cs->instance_failed = 1;
+		return -1;
+	}
+
+	if (cs->soopt) {
+		cs->instance_failed = 1;
+		return -1;
+	}
+
+	cs->buffer_pos = 0;
+
+	// ok instance is connected, begin...
+	if (cs->static_node) cs->static_node->custom2++;
+	if (cs->un) cs->un->requests++;
+
+	uwsgi_cr_hook_instance_write(cs, NULL);
+	if (urr.xclient) {
+		uwsgi_cr_hook_instance_read(cs, rr_xclient_read);
+		return 1;
+	}
+	uwsgi_cr_hook_instance_read(cs, rr_instance_read);
+	uwsgi_cr_hook_read(cs, rr_read);
+	// return a value > 0
+	return 1;
+}
+
+ssize_t rr_read(struct corerouter_session * cs) {
+	ssize_t len = read(cs->fd, cs->buffer->buf, cs->buffer->len);
+	if (len < 0) {
+		cr_try_again;
+		uwsgi_error("rr_recv()");
+		return -1;
+	}
+
+	if (len == 0) return 0;
+
+	cs->buffer_pos = 0;
+	cs->buffer_len = len;
+
+        uwsgi_cr_hook_read(cs, NULL);
+        uwsgi_cr_hook_instance_read(cs, NULL);
+        uwsgi_cr_hook_instance_write(cs, rr_instance_write);
+
+	return len;
+}
+
+int rr_retry(struct uwsgi_corerouter *ucr, struct corerouter_session *cs) {
+
+	if (cs->instance_address_len > 0) goto retry;
+
+	if (ucr->mapper(ucr, cs)) {
+                        cs->instance_failed = 1;
+                        return -1;
+                }
+
+                if (cs->instance_address_len == 0) {
+                        cs->instance_failed = 1;
+                        return -1;
+                }
+
+retry:
+                // start async connect
+                cs->instance_fd = uwsgi_connectn(cs->instance_address, cs->instance_address_len, 0, 1);
+                if (cs->instance_fd < 0) {
+                        cs->instance_failed = 1;
+                        cs->soopt = errno;
+                        return -1;
+                }
+        // map the instance
+        cs->corerouter->cr_table[cs->instance_fd] = cs;
+        // wait for connection
+        cs->connecting = 1;
+	// wait for connection
+        uwsgi_cr_hook_instance_write(cs, rr_instance_connected);
+	return 0;
+}
+
 void rawrouter_alloc_session(struct uwsgi_corerouter *ucr, struct uwsgi_gateway_socket *ugs, struct corerouter_session *cs, struct sockaddr *sa, socklen_t s_len) {
+
+	// use the address as hostname
+        cs->hostname = cs->ugs->name;
+        cs->hostname_len = cs->ugs->name_len;
+
+	if (sa && sa->sa_family == AF_INET) {
+		struct rawrouter_session *rr = (struct rawrouter_session *) cs;
+                rr->ip_addr = ((struct sockaddr_in *) sa)->sin_addr.s_addr;
+		if (urr.xclient) {
+			if (!inet_ntop(AF_INET, &rr->ip_addr, rr->xclient+13, INET_ADDRSTRLEN)) {
+                		uwsgi_error("rawrouter_alloc_session() -> inet_ntop()");
+				cs->instance_failed = 1;
+				return;
+        		}
+			// fix string
+			size_t ip_addr_len = strlen(rr->xclient+13);
+			memcpy(rr->xclient,"XCLIENT ADDR=", 13);
+			rr->xclient[13+ip_addr_len] = '\r';
+			rr->xclient[13+ip_addr_len+1] = '\n';
+			rr->xclient_len = 13 + ip_addr_len + 2;
+		}
+        }
+
+        // the mapper hook
+        if (ucr->mapper(ucr, cs)) {
+			cs->instance_failed = 1;
+			return;
+		}
+
+                if (cs->instance_address_len == 0) {
+                        cs->instance_failed = 1;
+                        return;
+                }
+
+		// ok, now we could retry
+		cs->retry = rr_retry;
+
+                // start async connect
+                cs->instance_fd = uwsgi_connectn(cs->instance_address, cs->instance_address_len, 0, 1);
+                if (cs->instance_fd < 0) {
+                        cs->instance_failed = 1;
+                        cs->soopt = errno;
+                        return;
+                }
+        // map the instance
+        cs->corerouter->cr_table[cs->instance_fd] = cs;
+        // wait for connection
+	cs->connecting = 1;
+        uwsgi_cr_hook_instance_write(cs, rr_instance_connected);
 }
 
 int rawrouter_init() {
 
 	urr.cr.session_size = sizeof(struct rawrouter_session);
-	urr.cr.switch_events = uwsgi_rawrouter_switch_events;
 	urr.cr.alloc_session = rawrouter_alloc_session;
-	uwsgi_corerouter_init((struct uwsgi_corerouter *) &urr);	
+	uwsgi_corerouter_init((struct uwsgi_corerouter *) &urr);
 
 	return 0;
 }

plugins/rawrouter/rr.h

@@ -1,16 +0,0 @@
-#include "../corerouter/cr.h"
-
-
-struct uwsgi_rawrouter {
-
-	struct uwsgi_corerouter cr;
-
-};
-
-struct rawrouter_session {
-
-	struct corerouter_session crs;
-};
-
-void uwsgi_rawrouter_switch_events(struct uwsgi_corerouter *, struct corerouter_session *, int interesting_fd);
-

plugins/rawrouter/rr_events.c

@@ -1,145 +0,0 @@
-#include "../../uwsgi.h"
-
-#include "rr.h"
-
-extern struct uwsgi_server uwsgi;
-extern struct uwsgi_rawrouter urr;
-
-void uwsgi_rawrouter_switch_events(struct uwsgi_corerouter *ucr, struct corerouter_session *cs, int interesting_fd) {
-
-	socklen_t solen = sizeof(int);
-	ssize_t len;
-	char buf[8192];
-
-	switch (cs->status) {
-
-		case COREROUTER_STATUS_RECV_HDR:
-#ifdef UWSGI_EVENT_USE_PORT
-			event_queue_add_fd_read(ucr->queue, cs->fd);
-#endif
-			// use the address as hostname
-			cs->hostname = cs->ugs->name;
-			cs->hostname_len = cs->ugs->name_len;
-
-			// the mapper hook
-			if (ucr->mapper(ucr, cs))
-				break;
-
-			// no address found
-			if (!cs->instance_address_len) {
-				// if fallback nodes are configured, trigger them
-				if (ucr->fallback) {
-					cs->instance_failed = 1;
-				}
-				corerouter_close_session(ucr, cs);
-				break;
-			}
-
-			cs->instance_fd = uwsgi_connectn(cs->instance_address, cs->instance_address_len, 0, 1);
-
-			if (cs->instance_fd < 0) {
-				cs->instance_failed = 1;
-				cs->soopt = errno;
-				corerouter_close_session(ucr, cs);
-				break;
-			}
-
-
-			cs->status = COREROUTER_STATUS_CONNECTING;
-			ucr->cr_table[cs->instance_fd] = cs;
-			event_queue_add_fd_write(ucr->queue, cs->instance_fd);
-			break;
-
-
-
-	case COREROUTER_STATUS_CONNECTING:
-
-		if (interesting_fd == cs->instance_fd) {
-
-			if (getsockopt(cs->instance_fd, SOL_SOCKET, SO_ERROR, (void *) (&cs->soopt), &solen) < 0) {
-				uwsgi_error("getsockopt()");
-				cs->instance_failed = 1;
-				corerouter_close_session(ucr, cs);
-				break;
-			}
-
-			if (cs->soopt) {
-				cs->instance_failed = 1;
-				corerouter_close_session(ucr, cs);
-				break;
-			}
-
-			// increment node requests counter
-                        if (cs->un)
-                                cs->un->requests++;	
-
-			event_queue_fd_write_to_read(ucr->queue, cs->instance_fd);
-			cs->status = COREROUTER_STATUS_RESPONSE;
-		}
-
-		break;
-
-	case COREROUTER_STATUS_RESPONSE:
-
-		// data from instance
-		if (interesting_fd == cs->instance_fd) {
-			len = recv(cs->instance_fd, buf, 8192, 0);
-#ifdef UWSGI_EVENT_USE_PORT
-                        event_queue_add_fd_read(ucr->queue, cs->instance_fd);
-#endif
-			if (len <= 0) {
-				if (len < 0)
-					uwsgi_error("recv()");
-				corerouter_close_session(ucr, cs);
-				break;
-			}
-
-			len = send(cs->fd, buf, len, 0);
-
-			if (len <= 0) {
-				if (len < 0)
-					uwsgi_error("send()");
-				corerouter_close_session(ucr, cs);
-				break;
-			}
-
-			// update transfer statistics
-			if (cs->un)
-				cs->un->transferred += len;
-		}
-		// body from client
-		else if (interesting_fd == cs->fd) {
-
-			//uwsgi_log("receiving body...\n");
-			len = recv(cs->fd, buf, 8192, 0);
-#ifdef UWSGI_EVENT_USE_PORT
-                        event_queue_add_fd_read(ucr->queue, cs->fd);
-#endif
-			if (len <= 0) {
-				if (len < 0)
-					uwsgi_error("recv()");
-				corerouter_close_session(ucr, cs);
-				break;
-			}
-
-
-			len = send(cs->instance_fd, buf, len, 0);
-
-			if (len <= 0) {
-				if (len < 0)
-					uwsgi_error("send()");
-				corerouter_close_session(ucr, cs);
-				break;
-			}
-		}
-
-		break;
-
-		// fallback to destroy !!!
-	default:
-		uwsgi_log("unknown event: closing session\n");
-		corerouter_close_session(ucr, cs);
-		break;
-
-	}
-}

plugins/rawrouter/uwsgiplugin.py

@@ -6,4 +6,4 @@ LIBS = []
 
 REQUIRES = ['corerouter']
 
-GCC_LIST = ['rawrouter', 'rr_events']
+GCC_LIST = ['rawrouter']

plugins/router_http/router_http.c

@@ -12,6 +12,32 @@ int uwsgi_routing_func_http(struct wsgi_request *wsgi_req, struct uwsgi_route *u
 	// get the http address from the route
 	char *addr = ur->data;
 
+	char *uri = NULL;
+	uint16_t uri_len = 0;
+	if (ur->data3_len) {
+		uri = uwsgi_regexp_apply_ovec(wsgi_req->uri, wsgi_req->uri_len, ur->data3, ur->data3_len, ur->ovector, ur->ovn);
+		uri_len = strlen(uri);
+	}
+
+
+	// convert the wsgi_request to an http proxy request
+	struct uwsgi_buffer *ub = uwsgi_to_http(wsgi_req, ur->data2, ur->data2_len, uri, uri_len);	
+	if (!ub) {
+		if (uri) free(uri);
+		uwsgi_log("unable to generate http request for %s\n", addr);
+                return UWSGI_ROUTE_NEXT;
+	}
+
+	if (uri) free(uri);
+
+	// ok now if have offload threads, directly use them
+	if (wsgi_req->socket->can_offload) {
+        	if (!uwsgi_offload_request_net_do(wsgi_req, addr, ub)) {
+                	wsgi_req->status = -30;
+			return UWSGI_ROUTE_BREAK;
+                }
+	}
+
 	// connect to the http server
 	int http_fd = uwsgi_connect(addr, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT], 0);
 	if (http_fd < 0) {
@@ -19,14 +45,6 @@ int uwsgi_routing_func_http(struct wsgi_request *wsgi_req, struct uwsgi_route *u
 		return UWSGI_ROUTE_NEXT;
 	}
 
-	// convert the wsgi_request to an http proxy request
-	struct uwsgi_buffer *ub = uwsgi_to_http(wsgi_req, ur->data2, ur->data2_len);	
-	if (!ub) {
-		uwsgi_log("unable to generate http request for %s\n", addr);
-		close(http_fd);
-                return UWSGI_ROUTE_NEXT;
-	}
-
 	// send the request
 	if (uwsgi_buffer_send(ub, http_fd)) {
 		uwsgi_log("error routing request to http server %s\n", addr);
@@ -79,6 +97,12 @@ int uwsgi_router_http(struct uwsgi_route *ur, char *args) {
 		*comma = 0;
 		ur->data_len = strlen(ur->data);
 		ur->data2 = comma+1;
+		comma = strchr(ur->data2, ',');
+		if (comma) {
+			*comma = 0;
+			ur->data3 = comma+1;
+			ur->data3_len = strlen(ur->data3);
+		}
 		ur->data2_len = strlen(ur->data2);
 	}
 	return 0;

plugins/router_rewrite/router_rewrite.c

@@ -5,6 +5,8 @@ extern struct uwsgi_server uwsgi;
 
 int uwsgi_routing_func_rewrite(struct wsgi_request *wsgi_req, struct uwsgi_route *ur) {
 
+	char *tmp_qs = NULL;
+
 	char **subject = (char **) (((char *)(wsgi_req))+ur->subject);
         uint16_t *subject_len = (uint16_t *)  (((char *)(wsgi_req))+ur->subject_len);
 
@@ -18,28 +20,26 @@ int uwsgi_routing_func_rewrite(struct wsgi_request *wsgi_req, struct uwsgi_route
 		path_info_len = query_string - path_info;
 		query_string++;
 		query_string_len = strlen(query_string);
-	
+		if (wsgi_req->query_string_len > 0) {
+			tmp_qs = uwsgi_concat4n(query_string, query_string_len, "&", 1, wsgi_req->query_string, wsgi_req->query_string_len, "", 0);
+			query_string = tmp_qs;
+			query_string_len = strlen(query_string);
+		}	
 	}
+	// over engineering, could be requiredin the future...
 	else {
-		query_string = "";
+		if (wsgi_req->query_string_len > 0) {
+			query_string = wsgi_req->query_string;
+			query_string_len = wsgi_req->query_string_len;
+		}
+		else {
+			query_string = "";
+		}
 	}
 
 	char *ptr = uwsgi_req_append(wsgi_req, "PATH_INFO", 9, path_info, path_info_len);
         if (!ptr) goto clear;
 
-        // fill iovec
-        if (wsgi_req->var_cnt + 2 >= uwsgi.vec_size - (4 + 1)) {
-		uwsgi_log("not enough io vectors for rewriting url\n");
-		goto clear;
-	}
-
-        wsgi_req->hvec[wsgi_req->var_cnt].iov_base = ptr - (2 + 9);
-        wsgi_req->hvec[wsgi_req->var_cnt].iov_len = 9;
-        wsgi_req->var_cnt++;
-        wsgi_req->hvec[wsgi_req->var_cnt].iov_base = ptr;
-        wsgi_req->hvec[wsgi_req->var_cnt].iov_len = path_info_len;
-        wsgi_req->var_cnt++;
-
 	// set new path_info
 	wsgi_req->path_info = ptr;
 	wsgi_req->path_info_len = path_info_len;
@@ -47,31 +47,19 @@ int uwsgi_routing_func_rewrite(struct wsgi_request *wsgi_req, struct uwsgi_route
 	ptr = uwsgi_req_append(wsgi_req, "QUERY_STRING", 12, query_string, query_string_len);
 	if (!ptr) goto clear;
 
-        // fill iovec
-        if (wsgi_req->var_cnt + 2 >= uwsgi.vec_size - (4 + 1)) {
-		uwsgi_log("not enough io vectors for rewriting url\n");
-		goto clear;
-	}
-
-        wsgi_req->hvec[wsgi_req->var_cnt].iov_base = ptr - (2 + 12);
-        wsgi_req->hvec[wsgi_req->var_cnt].iov_len = 12;
-        wsgi_req->var_cnt++;
-        wsgi_req->hvec[wsgi_req->var_cnt].iov_base = ptr;
-        wsgi_req->hvec[wsgi_req->var_cnt].iov_len = query_string_len;
-        wsgi_req->var_cnt++;
-
-
 	// set new query_string
 	wsgi_req->query_string = ptr;
 	wsgi_req->query_string_len = query_string_len;
 
 	free(path_info);
+	if (tmp_qs) free(tmp_qs);
 	if (ur->custom)
 		return UWSGI_ROUTE_CONTINUE;
 	return UWSGI_ROUTE_NEXT;
 
 clear:
 	free(path_info);
+	if (tmp_qs) free(tmp_qs);
 	return UWSGI_ROUTE_BREAK;
 }
 

plugins/router_uwsgi/router_uwsgi.c

@@ -44,6 +44,23 @@ int uwsgi_routing_func_uwsgi_remote(struct wsgi_request *wsgi_req, struct uwsgi_
 		uwsgi_req_append(wsgi_req, "UWSGI_APPID", 11, ur->data2, ur->data2_len);
 	}
 
+	// ok now if have offload threads, directly use them
+        if (wsgi_req->socket->can_offload) {
+		struct uwsgi_buffer *ub = uwsgi_buffer_new(4 + wsgi_req->uh.pktsize);
+		if (ub) {
+			uh->pktsize = wsgi_req->uh.pktsize;
+			if (uwsgi_buffer_append(ub, (char *) uh, 4)) goto bad;
+			if (uwsgi_buffer_append(ub, wsgi_req->buffer, uh->pktsize)) goto bad;
+                	if (!uwsgi_offload_request_net_do(wsgi_req, addr, ub)) {
+                        	wsgi_req->status = -30;
+                        	return UWSGI_ROUTE_BREAK;
+                	}
+bad:
+			uwsgi_buffer_destroy(ub);
+		}
+        }
+
+
 	int uwsgi_fd = uwsgi_connect(addr, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT], 0);
 	if (uwsgi_fd < 0) {
 		uwsgi_log("unable to connect to host %s\n", addr);

plugins/stats_pusher_mongodb/plugin.c

@@ -1,6 +1,6 @@
 #include "../../uwsgi.h"
 
-void stats_pusher_mongodb(struct uwsgi_stats_pusher_instance *, char *, size_t);
+void stats_pusher_mongodb(struct uwsgi_stats_pusher_instance *, time_t, char *, size_t);
 
 static void stats_pusher_mongodb_init(void) {
         uwsgi_register_stats_pusher("mongodb", stats_pusher_mongodb);

plugins/stats_pusher_mongodb/stats_pusher_mongodb.cc

@@ -12,7 +12,7 @@ struct stats_pusher_mongodb_conf {
 };
 
 
-extern "C" void stats_pusher_mongodb(struct uwsgi_stats_pusher_instance *uspi, char *json, size_t json_len) {
+extern "C" void stats_pusher_mongodb(struct uwsgi_stats_pusher_instance *uspi, time_t now, char *json, size_t json_len) {
 
 	struct stats_pusher_mongodb_conf *spmc = (struct stats_pusher_mongodb_conf *) uspi->data;
 	if (!uspi->configured) {

proto/http.c

@@ -270,7 +270,7 @@ int uwsgi_proto_http_parser(struct wsgi_request *wsgi_req) {
 	char post_buf[8192];
 	char *post_tail = NULL;
 
-	// first round ? this memory area will be freed by async_loop
+	// first round ? 
 	if (!wsgi_req->proto_parser_buf) {
 		wsgi_req->proto_parser_buf = uwsgi_malloc(uwsgi.buffer_size);
 	}
@@ -281,12 +281,15 @@ int uwsgi_proto_http_parser(struct wsgi_request *wsgi_req) {
 			remains = UMIN(remains, 8192);
 			len = read(wsgi_req->poll.fd, post_buf, remains);
 			if (len <= 0) {
-				if (len < 0)
+				if (len < 0) {
+					free(wsgi_req->proto_parser_buf);
 					uwsgi_error("read()");
+				}
 				return -1;
 			}
 
 			if (!fwrite(post_buf, len, 1, wsgi_req->async_post)) {
+				free(wsgi_req->proto_parser_buf);
 				uwsgi_error("fwrite()");
 				return -1;
 			}
@@ -296,6 +299,7 @@ int uwsgi_proto_http_parser(struct wsgi_request *wsgi_req) {
 				return UWSGI_AGAIN;
 
 		}
+		free(wsgi_req->proto_parser_buf);
 		rewind(wsgi_req->async_post);
 		wsgi_req->body_as_file = 1;
 		return UWSGI_OK;
@@ -334,11 +338,14 @@ int uwsgi_proto_http_parser(struct wsgi_request *wsgi_req) {
 				memcpy(post_tail, ptr, remains);
 			}
 			http_parse(wsgi_req, ptr);
+			wsgi_req->uh.modifier1 = uwsgi.http_modifier1;
+			wsgi_req->uh.modifier2 = uwsgi.http_modifier2;
 			//is there a Content_Length ?
 			if (wsgi_req->post_cl > 0) {
 				wsgi_req->async_post = tmpfile();
 				if (!wsgi_req->async_post) {
 					free(wsgi_req->proto_parser_buf);
+					if (post_tail) free(post_tail);
 					uwsgi_error("tmpfile()");
 					return -1;
 				}
@@ -393,14 +400,19 @@ void uwsgi_httpize_var(char *buf, size_t len) {
 	}
 }
 
-struct uwsgi_buffer *uwsgi_to_http(struct wsgi_request *wsgi_req, char *host, uint16_t host_len) {
+struct uwsgi_buffer *uwsgi_to_http(struct wsgi_request *wsgi_req, char *host, uint16_t host_len, char *uri, uint16_t uri_len) {
 
         struct uwsgi_buffer *ub = uwsgi_buffer_new(4096);
 
         if (uwsgi_buffer_append(ub, wsgi_req->method, wsgi_req->method_len)) goto clear;
         if (uwsgi_buffer_append(ub, " ", 1)) goto clear;
 
-        if (uwsgi_buffer_append(ub, wsgi_req->uri, wsgi_req->uri_len)) goto clear;
+	if (uri_len && uri) {
+        	if (uwsgi_buffer_append(ub, uri, uri_len)) goto clear;
+	}
+	else {
+        	if (uwsgi_buffer_append(ub, wsgi_req->uri, wsgi_req->uri_len)) goto clear;
+	}
 
         if (uwsgi_buffer_append(ub, " HTTP/1.0\r\n", 11)) goto clear;
 
@@ -447,11 +459,22 @@ next:
 		if (uwsgi_buffer_append(ub, "\r\n", 2)) goto clear;
 	}
 
+	if (wsgi_req->content_type_len > 0) {
+		if (uwsgi_buffer_append(ub, "Content-Type: ", 14)) goto clear;
+		if (uwsgi_buffer_append(ub, wsgi_req->content_type, wsgi_req->content_type_len)) goto clear;
+		if (uwsgi_buffer_append(ub, "\r\n", 2)) goto clear;
+	}
+
+	if (wsgi_req->post_cl > 0) {
+		if (uwsgi_buffer_append(ub, "Content-Length: ", 16)) goto clear;
+		if (uwsgi_buffer_num64(ub, (int64_t) wsgi_req->post_cl)) goto clear;
+		if (uwsgi_buffer_append(ub, "\r\n", 2)) goto clear;
+	}
+
 	// append required headers
 	if (uwsgi_buffer_append(ub, "Connection: close\r\n", 19)) goto clear;
 	if (uwsgi_buffer_append(ub, "X-Forwarded-For: ", 17)) goto clear;
 
-
 	if (x_forwarded_for_len > 0) {
 		if (uwsgi_buffer_append(ub, x_forwarded_for, x_forwarded_for_len)) goto clear;
 		if (uwsgi_buffer_append(ub, ", ", 2)) goto clear;

test.psgi

@@ -19,14 +19,33 @@ my $two = sub {
 	print "two\n";
 };
 
+my $four = sub {
+	my $signum = shift;
+	print "i am signal ".$signum."\n" ;
+};
+
+uwsgi::register_signal(17, '', $four);
+uwsgi::register_signal(30, '', $two);
+
 my $three = sub {
 	my $env = shift;
 	sleep(1);
 	print "three\n";
 };
 
+uwsgi::postfork(sub {
+	print "forked !!!\n";
+});
+
+uwsgi::atexit(sub {
+	print "exited\n";
+});
+
 my $app = sub {
 	my $env = shift;
+	uwsgi::signal(17);
+	uwsgi::signal(30);
+
 	if ($env->{'psgix.cleanup'}) {
 		print "cleanup supported\n";
 		push @{$env->{'psgix.cleanup.handlers'}}, $one;

tests/sleeping_async.py

@@ -3,7 +3,7 @@ import uwsgi
 sleepvalue = 5
 
 def application(env, start_response):
-        start_response('200 Ok', [('Content-type', 'text/html')])
+    start_response('200 Ok', [('Content-type', 'text/html')])
     yield uwsgi.async_sleep(sleepvalue)
     #print "TIMEOUT: ", env['x-wsgiorg.fdevent.timeout']
     yield "<h1>Hello World after %d seconds</h1>" % sleepvalue

uwsgi.gemspec

@@ -0,0 +1,15 @@
+Gem::Specification.new do |s|
+  s.name        = 'uwsgi'
+  s.license     = 'GPL-2'
+  s.version     = `python -c "import uwsgiconfig as uc; print uc.uwsgi_version"`.sub(/-dev-.*/,'')
+  s.date        = '2013-03-02'
+  s.summary     = "uWSGI"
+  s.description = "The uWSGI server for Ruby/Rack"
+  s.authors     = ["Unbit"]
+  s.email       = 'info@unbit.it'
+  s.extensions  = ['ext/uwsgi/extconf.rb']
+  s.files       = []
+  s.require_paths = ['.']
+  s.executables << 'uwsgi'
+  s.homepage    = 'http://projects.unbit.it/uwsgi'
+end

uwsgi.h

@@ -34,10 +34,25 @@ extern "C" {
 
 #define wsgi_req_time ((wsgi_req->end_of_request-wsgi_req->start_of_request)/1000)
 
-#define thunder_lock if (uwsgi.threads > 1 && !uwsgi.is_et) {pthread_mutex_lock(&uwsgi.thunder_mutex);}
-#define thunder_unlock if (uwsgi.threads > 1 && !uwsgi.is_et) {pthread_mutex_unlock(&uwsgi.thunder_mutex);}
+#define thunder_lock if (!uwsgi.is_et) {\
+                        if (uwsgi.use_thunder_lock) {\
+                                uwsgi_lock(uwsgi.the_thunder_lock);\
+                        }\
+                        else if (uwsgi.threads > 1) {\
+                                pthread_mutex_lock(&uwsgi.thunder_mutex);\
+                        }\
+                    }
 
-#define uwsgi_check_scheme(file) (!uwsgi_startswith(file, "http://", 7) || !uwsgi_startswith(file, "data://", 7) || !uwsgi_startswith(file, "sym://", 6) || !uwsgi_startswith(file, "fd://", 5) || !uwsgi_startswith(file, "exec://", 7) || !uwsgi_startswith(file, "section://", 10))
+#define thunder_unlock if (!uwsgi.is_et) {\
+                        if (uwsgi.use_thunder_lock) {\
+                                uwsgi_unlock(uwsgi.the_thunder_lock);\
+                        }\
+                        else if (uwsgi.threads > 1) {\
+                                pthread_mutex_unlock(&uwsgi.thunder_mutex);\
+                        }\
+                        }
+
+#define uwsgi_check_scheme(file) (!uwsgi_startswith(file, "emperor://", 10) || !uwsgi_startswith(file, "http://", 7) || !uwsgi_startswith(file, "data://", 7) || !uwsgi_startswith(file, "sym://", 6) || !uwsgi_startswith(file, "fd://", 5) || !uwsgi_startswith(file, "exec://", 7) || !uwsgi_startswith(file, "section://", 10))
 
 #define ushared uwsgi.shared
 
@@ -295,6 +310,8 @@ extern int pivot_root(const char *new_root, const char *put_old);
 #include <openssl/err.h>
 #endif
 
+#include <glob.h>
+
 
 struct uwsgi_buffer {
 	char *buf;
@@ -308,6 +325,8 @@ struct uwsgi_string_list {
 	char *value;
 	size_t len;
 	uint64_t custom;
+	uint64_t custom2;
+	void *custom_ptr;
 	struct uwsgi_string_list *next;
 };
 
@@ -393,6 +412,25 @@ struct uwsgi_regexp_list {
 };
 #endif
 
+struct uwsgi_rbtree {
+        struct uwsgi_rb_timer *root;
+        struct uwsgi_rb_timer *sentinel;
+};
+
+struct uwsgi_rb_timer {
+        uint8_t color;
+        struct uwsgi_rb_timer *parent;
+        struct uwsgi_rb_timer *left;
+        struct uwsgi_rb_timer *right;
+        uint64_t value;
+        void *data;
+};
+
+struct uwsgi_rbtree *uwsgi_init_rb_timer(void);
+struct uwsgi_rb_timer *uwsgi_min_rb_timer(struct uwsgi_rbtree *, struct uwsgi_rb_timer *);
+struct uwsgi_rb_timer *uwsgi_add_rb_timer(struct uwsgi_rbtree *, uint64_t, void *);
+void uwsgi_del_rb_timer(struct uwsgi_rbtree *, struct uwsgi_rb_timer *);
+
 
 union uwsgi_sockaddr {
 	struct sockaddr sa;
@@ -441,6 +479,8 @@ struct uwsgi_gateway_socket {
 	char *port;
 	int port_len;
 
+	int no_defer;
+
 	void *data;
 	// this requires UDP
 	int subscription;
@@ -638,6 +678,7 @@ struct uwsgi_socket {
 	void *ctx;
 
 	int queue;
+	int no_defer;
 
 	int auto_port;
 	// true if connection must be initialized for each core
@@ -846,6 +887,9 @@ struct uwsgi_route {
 	void *data2;
 	size_t data2_len;
 
+	void *data3;
+	size_t data3_len;
+
 	// 64bit value for custom usage
 	uint64_t custom;
 
@@ -901,6 +945,7 @@ struct uwsgi_alarm_ll {
 struct uwsgi_alarm_log {
 	pcre *pattern;
         pcre_extra *pattern_extra;
+	int negate;
 	struct uwsgi_alarm_ll *alarms;
 	struct uwsgi_alarm_log *next;
 };
@@ -987,6 +1032,12 @@ struct wsgi_request {
 	char *authorization;
 	uint16_t authorization_len;
 
+	char *user_agent;
+	uint16_t user_agent_len;
+
+	char *referer;
+	uint16_t referer_len;
+
 	char *script;
 	uint16_t script_len;
 	char *module;
@@ -1214,6 +1265,7 @@ struct uwsgi_server {
 
 	// enable threads
 	int has_threads;
+	int no_threads_wait;
 
 	// default app id
 	int default_app;
@@ -1257,6 +1309,9 @@ struct uwsgi_server {
 
 	int reuse_port;
 
+	uint64_t http_modifier1;
+	uint64_t http_modifier2;
+
 	// enable lazy mode
 	int lazy;
 	// enable lazy-apps mode
@@ -1284,6 +1339,7 @@ struct uwsgi_server {
 
 	// true if run under the emperor
 	int has_emperor;
+	char *emperor_procname;
 	int emperor_fd;
 	int emperor_queue;
 	int emperor_tyrant;
@@ -1472,6 +1528,7 @@ struct uwsgi_server {
 	struct uwsgi_string_list *requested_logger;
 
 #ifdef UWSGI_PCRE
+	int pcre_jit;
 	struct uwsgi_regexp_list *log_drain_rules;
 	struct uwsgi_regexp_list *log_filter_rules;
 	struct uwsgi_regexp_list *log_route;
@@ -1517,12 +1574,11 @@ struct uwsgi_server {
 	struct uwsgi_dyn_dict *static_expires_path_info;
 	struct uwsgi_dyn_dict *static_expires_path_info_mtime;
 
+	int offload_threads;
+	int offload_threads_events;
+	struct uwsgi_thread **offload_thread;
+
 	int check_static_docroot;
-	int static_offload_to_thread;
-	struct uwsgi_thread *offload_thread;
-	// linked list for offloaded requests
-	struct uwsgi_offload_request *offload_requests_head;
-	struct uwsgi_offload_request *offload_requests_tail;
 
 	char *daemonize;
 	char *daemonize2;
@@ -1541,7 +1597,7 @@ struct uwsgi_server {
 	struct uwsgi_async_request *async_runqueue_last;
 	int async_runqueue_cnt;
 
-	struct rb_root *rb_async_timeouts;
+	struct uwsgi_rbtree *rb_async_timeouts;
 
 	int async_queue_unused_ptr;
 	struct wsgi_request **async_queue_unused;
@@ -1665,9 +1721,12 @@ struct uwsgi_server {
 
 #ifdef UWSGI_THREADING
 	// avoid thundering herd in threaded modes
+	pthread_mutex_t thunder_mutex;
 	pthread_mutex_t six_feet_under_lock;
 	pthread_mutex_t lock_static;
 #endif
+	int use_thunder_lock;
+	struct uwsgi_lock_item *the_thunder_lock;
 
 
 	/* the list of workers */
@@ -1851,8 +1910,6 @@ struct uwsgi_server {
 	size_t queue_filesize;
 	int queue_store_sync;
 
-	pthread_mutex_t thunder_mutex;
-
 	int locks;
 
 	struct uwsgi_lock_item *cache_lock;
@@ -2053,12 +2110,17 @@ struct uwsgi_core {
 	//time_t harakiri;
 
 	uint64_t        requests;
-	uint64_t failed_requests;
+	uint64_t	failed_requests;
+	uint64_t        static_requests;
+	uint64_t        routed_requests;
+	uint64_t        offloaded_requests;
 
 #ifdef UWSGI_THREADING
 	pthread_t thread_id;
 #endif
 
+	int offload_rr;
+
 	// one ts-perapp
 	void **ts;
 
@@ -2577,74 +2639,6 @@ struct uwsgi_subscribe_req {
 	uint16_t base_len;
 };
 
-#ifndef _NO_UWSGI_RB
-
-/*
-
-  *** uWSGI, stripped down version of Linux rbtree ***
-
-
-  Red Black Trees
-  (C) 1999  Andrea Arcangeli <andrea@suse.de>
-  
-  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 of the License, or
-  (at your option) any later version.
-
-  This program is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with this program; if not, write to the Free Software
-  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
-
-*/
-
-struct rb_node
-{
-        unsigned long  rb_parent_color;
-#define RB_RED          0
-#define RB_BLACK        1
-        struct rb_node *rb_right;
-        struct rb_node *rb_left;
-} __attribute__((aligned(sizeof(long))));
-    /* The alignment might seem pointless, but allegedly CRIS needs it */
-
-struct rb_root
-{
-        struct rb_node *rb_node;
-};
-
-#define rb_parent(r)   ((struct rb_node *)((r)->rb_parent_color & ~3))
-#define rb_color(r)   ((r)->rb_parent_color & 1)
-#define rb_is_red(r)   (!rb_color(r))
-#define rb_is_black(r) rb_color(r)
-#define rb_set_red(r)  do { (r)->rb_parent_color &= ~1; } while (0)
-#define rb_set_black(r)  do { (r)->rb_parent_color |= 1; } while (0)
-
-void rb_insert_color(struct rb_node *, struct rb_root *);
-void rb_erase(struct rb_node *, struct rb_root *);
-
-void rb_link_node(struct rb_node *, struct rb_node *,
-                                struct rb_node **);
-
-struct uwsgi_rb_timer {
-
-	struct rb_node rbt;
-
-	time_t key;
-	void *data;
-};
-
-struct rb_root *uwsgi_init_rb_timer(void);
-struct uwsgi_rb_timer *uwsgi_add_rb_timer(struct rb_root *, time_t, void *);
-struct uwsgi_rb_timer *uwsgi_min_rb_timer(struct rb_root *);
-
-#endif
-
 void uwsgi_nuclear_blast();
 
 void uwsgi_unix_signal(int, void (*)(int));
@@ -2798,7 +2792,7 @@ int uwsgi_get_shared_socket_num(struct uwsgi_socket *);
 
 #ifdef __linux__
 void uwsgi_set_cgroup(void);
-long uwsgi_num_from_file(char *);
+long uwsgi_num_from_file(char *, int);
 #endif
 
 void uwsgi_add_sockets_to_queue(int, int);
@@ -2983,8 +2977,11 @@ void uwsgi_opt_set_str(char *, char *, void *);
 void uwsgi_opt_set_logger(char *, char *, void *);
 void uwsgi_opt_set_str_spaced(char *, char *, void *);
 void uwsgi_opt_add_string_list(char *, char *, void *);
+void uwsgi_opt_add_string_list_custom(char *, char *, void *);
+void uwsgi_opt_add_addr_list(char *, char *, void *);
 void uwsgi_opt_add_dyn_dict(char *, char *, void *);
 #ifdef UWSGI_PCRE
+void uwsgi_opt_pcre_jit(char *, char *, void *);
 void uwsgi_opt_add_regexp_dyn_dict(char *, char *, void *);
 void uwsgi_opt_add_regexp_list(char *, char *, void *);
 void uwsgi_opt_add_regexp_custom_list(char *, char *, void *);
@@ -3062,6 +3059,7 @@ void uwsgi_opt_noop(char *, char *, void *);
 
 void uwsgi_opt_logic(char *, char *, void *);
 int uwsgi_logic_opt_for(char *, char *);
+int uwsgi_logic_opt_for_glob(char *, char *);
 int uwsgi_logic_opt_if_env(char *, char *);
 int uwsgi_logic_opt_if_not_env(char *, char *);
 int uwsgi_logic_opt_if_opt(char *, char *);
@@ -3139,6 +3137,7 @@ int uwsgi_try_autoload(char *);
 
 uint64_t uwsgi_micros(void);
 int uwsgi_is_file(char *);
+int uwsgi_is_link(char *);
 
 void uwsgi_receive_signal(int, char *, int);
 void uwsgi_exec_atexit(void);
@@ -3156,7 +3155,7 @@ struct uwsgi_stats_pusher_instance;
 
 struct uwsgi_stats_pusher {
 	char *name;
-	void (*func)(struct uwsgi_stats_pusher_instance *, char *, size_t);
+	void (*func)(struct uwsgi_stats_pusher_instance *, time_t, char *, size_t);
 	struct uwsgi_stats_pusher *next;
 };
 
@@ -3164,20 +3163,23 @@ struct uwsgi_stats_pusher_instance {
 	struct uwsgi_stats_pusher *pusher;
 	char *arg;
 	void *data;
+	int raw;
 	int configured;
 	int freq;
 	time_t last_run;
 	struct uwsgi_stats_pusher_instance *next;
 };
 
+struct uwsgi_thread;
 void uwsgi_stats_pusher_loop(struct uwsgi_thread *);
-void uwsgi_stats_pusher_file(struct uwsgi_stats_pusher_instance *, char *, size_t);
-void uwsgi_stats_pusher_socket(struct uwsgi_stats_pusher_instance *, char *, size_t);
+void uwsgi_stats_pusher_file(struct uwsgi_stats_pusher_instance *, time_t, char *, size_t);
+void uwsgi_stats_pusher_socket(struct uwsgi_stats_pusher_instance *, time_t, char *, size_t);
 
 void uwsgi_stats_pusher_setup(void);
 void uwsgi_send_stats(int, struct uwsgi_stats * (*func)(void));
 struct uwsgi_stats *uwsgi_master_generate_stats(void);
-void uwsgi_register_stats_pusher(char *, void(*) (struct uwsgi_stats_pusher_instance *, char *, size_t));
+struct uwsgi_stats_pusher *uwsgi_register_stats_pusher(char *, void(*) (struct uwsgi_stats_pusher_instance *, time_t, char *, size_t));
+struct uwsgi_stats_pusher_instance *uwsgi_stats_pusher_add(struct uwsgi_stats_pusher *, char *);
 
 struct uwsgi_stats *uwsgi_stats_new(size_t);
 int uwsgi_stats_symbol(struct uwsgi_stats *, char);
@@ -3203,6 +3205,7 @@ void manage_cluster_message(char *, int);
 void uwsgi_opt_add_custom_option(char *, char *, void *);
 void uwsgi_opt_cflags(char *, char *, void *);
 void uwsgi_opt_connect_and_read(char *, char *, void *);
+void uwsgi_opt_extract(char *, char *, void *);
 
 struct uwsgi_string_list *uwsgi_string_list_has_item(struct uwsgi_string_list *, char *, size_t);
 
@@ -3350,9 +3353,10 @@ int uwsgi_buffer_append(struct uwsgi_buffer *, char *, size_t);
 int uwsgi_buffer_fix(struct uwsgi_buffer *, size_t);
 int uwsgi_buffer_ensure(struct uwsgi_buffer *, size_t);
 void uwsgi_buffer_destroy(struct uwsgi_buffer *);
+int uwsgi_buffer_num64(struct uwsgi_buffer *, int64_t);
 
 void uwsgi_httpize_var(char *, size_t);
-struct uwsgi_buffer *uwsgi_to_http(struct wsgi_request *, char *, uint16_t);
+struct uwsgi_buffer *uwsgi_to_http(struct wsgi_request *, char *, uint16_t, char *, uint16_t);
 
 ssize_t uwsgi_pipe(int, int, int);
 ssize_t uwsgi_pipe_sized(int, int, size_t, int);
@@ -3392,25 +3396,42 @@ struct uwsgi_thread {
 	uint64_t custom1;
 	uint64_t custom2;
 	uint64_t custom3;
+	// linked list for offloaded requests
+        struct uwsgi_offload_request *offload_requests_head;
+        struct uwsgi_offload_request *offload_requests_tail;
 	void (*func)(struct uwsgi_thread *);
 };
 struct uwsgi_thread *uwsgi_thread_new(void (*)(struct uwsgi_thread *));
 
 struct uwsgi_offload_request {
+	// the request socket
         int s;
+	// the peer
         int fd;
+
+	// internal state
+	int status;
+
         off_t pos;
 	char *buf;
 	off_t buf_pos;
+
 	size_t to_write;
         size_t len;
         size_t written;
+
+	// a uwsgi_buffer (will be destroyed at the end of the task)
+	struct uwsgi_buffer *ubuf;
+
+	int (*func)(struct uwsgi_thread *, struct uwsgi_offload_request *, int);
+
 	struct uwsgi_offload_request *prev;
 	struct uwsgi_offload_request *next;
 };
 
 struct uwsgi_thread *uwsgi_offload_thread_start(void);
-int uwsgi_offload_request_do(struct wsgi_request *, char *, size_t);
+int uwsgi_offload_request_sendfile_do(struct wsgi_request *, char *, size_t);
+int uwsgi_offload_request_net_do(struct wsgi_request *, char *, struct uwsgi_buffer *);
 
 void uwsgi_subscription_set_algo(char *);
 struct uwsgi_subscribe_slot **uwsgi_subscription_init_ht(void);
@@ -3449,6 +3470,10 @@ void uwsgi_user_lock(int);
 void uwsgi_user_unlock(int);
 
 void simple_loop_run_int(int);
+int uwsgi_valid_fd(int);
+void uwsgi_close_all_fds(void);
+
+int uwsgi_write_nb(int, char *, size_t, int);
 
 void uwsgi_check_emperor(void);
 #ifdef UWSGI_AS_SHARED_LIBRARY

uwsgiconfig.py

@@ -1,6 +1,6 @@
 # uWSGI build system
 
-uwsgi_version = '1.4-dev'
+uwsgi_version = '1.4.8'
 
 import os
 import re
@@ -33,15 +33,20 @@ if not GCC:
 
 CPP = os.environ.get('CPP', 'cpp')
 
-CPUCOUNT = 1
 try:
-    import multiprocessing
-    CPUCOUNT = multiprocessing.cpu_count()
+    CPUCOUNT = int(os.environ.get('CPUCOUNT', -1))
 except:
+    CPUCOUNT = -1
+
+if CPUCOUNT < 1:
     try:
-        CPUCOUNT = int(os.sysconf('SC_NPROCESSORS_ONLN'))
+        import multiprocessing
+        CPUCOUNT = multiprocessing.cpu_count()
     except:
-        pass
+        try:
+            CPUCOUNT = int(os.sysconf('SC_NPROCESSORS_ONLN'))
+        except:
+            CPUCOUNT = 1
 
 binary_list = []
 
@@ -340,12 +345,16 @@ def build_uwsgi(uc, print_only=False):
                     pass
 
                 for cfile in up.GCC_LIST:
-                    if not cfile.endswith('.a'):
+                    if cfile.endswith('.a'):
+                        gcc_list.append(cfile)
+                    elif not cfile.endswith('.c') and not cfile.endswith('.cc') and not cfile.endswith('.m'):
                         compile(' '.join(uniq_warnings(p_cflags)), last_cflags_ts,
                             path + '/' + cfile + '.o', path + '/' + cfile + '.c')
                         gcc_list.append('%s/%s' % (path, cfile))
                     else:
-                        gcc_list.append(cfile)
+                        compile(' '.join(uniq_warnings(p_cflags)), last_cflags_ts,
+                            path + '/' + cfile + '.o', path + '/' + cfile)
+                        gcc_list.append('%s/%s' % (path, cfile))
 
                 libs += up.LIBS
 
@@ -444,10 +453,11 @@ class uConf(object):
         self.config.read(filename)
         self.gcc_list = ['core/utils', 'core/protocol', 'core/socket', 'core/logging', 'core/master', 'core/master_utils', 'core/emperor',
             'core/notify', 'core/mule', 'core/subscription', 'core/stats', 'core/sendfile',
+            'core/offload',
             'core/setup_utils', 'core/clock', 'core/init', 'core/buffer',
             'core/plugins', 'core/lock', 'core/cache', 'core/daemons',
             'core/queue', 'core/event', 'core/signal', 'core/cluster',
-            'core/rpc', 'core/gateway', 'core/loop', 'lib/rbtree', 'core/rb_timers', 'core/uwsgi']
+            'core/rpc', 'core/gateway', 'core/loop', 'core/rb_timers', 'core/uwsgi']
         # add protocols
         self.gcc_list.append('proto/base')
         self.gcc_list.append('proto/uwsgi')

uwsgidecorators.py

@@ -1,4 +1,5 @@
 import uwsgi
+import sys
 from threading import Thread
 
 try:
@@ -170,7 +171,12 @@ class mule_brain(object):
 
     def __call__(self):
         if uwsgi.mule_id() == self.num:
-            self.f()
+            try:
+                self.f()
+            except:
+                exc = sys.exc_info()
+                sys.excepthook(exc[0], exc[1], exc[2])
+                sys.exit(1)
 
 
 class mule_brainloop(mule_brain):
@@ -178,7 +184,12 @@ class mule_brainloop(mule_brain):
     def __call__(self):
         if uwsgi.mule_id() == self.num:
             while True:
-                self.f()
+                try:
+                    self.f()
+                except:
+                    exc = sys.exc_info()
+                    sys.excepthook(exc[0], exc[1], exc[2])
+                    sys.exit(1)
 
 
 class mule(object):