uWSGI 2.0.11

- Fixes #933

CONTRIBUTORS

@@ -30,3 +30,5 @@ Danila Shtan <danila@shtan.ru>
 Yu Zhao (getcwd)
 Mathieu Dupuy
 Adriano Di Luzio (adriano@unbit.it)
+Curtis Maloney
+Vladimir Didenko

core/emperor.c

@@ -1464,12 +1464,32 @@ static void uwsgi_emperor_spawn_vassal(struct uwsgi_instance *n_ui) {
                 }
         }
 
+	
+	if (uwsgi.emperor_wrapper_override) {
+		char *orig_wrapper = vassal_argv[0];	
+		uwsgi_foreach(usl, uwsgi.emperor_wrapper_override) {
+			vassal_argv[0] = usl->value;
+			uwsgi_log("[emperor] trying to use %s as binary wrapper ...\n", usl->value);
+			execvp(vassal_argv[0], vassal_argv);
+			// not here if the binary is found
+		}
+		vassal_argv[0] = orig_wrapper;
+	}
+
 	// start !!!
 	if (execvp(vassal_argv[0], vassal_argv)) {
 		uwsgi_error("execvp()");
 	}
 	uwsgi_log("[emperor] binary path: %s\n", vassal_argv[0]);
 	uwsgi_log("[emperor] is the uwsgi binary in your system PATH ?\n");
+
+	// trying fallback
+	uwsgi_foreach(usl, uwsgi.emperor_wrapper_fallback) {
+		uwsgi_log("[emperor] trying to use %s as binary fallback ...\n", usl->value);
+                vassal_argv[0] = usl->value;
+                execvp(vassal_argv[0], vassal_argv);
+                // not here if the binary is found
+        }
 	// never here
 	exit(UWSGI_EXILE_CODE);
 }
@@ -2275,6 +2295,9 @@ void uwsgi_check_emperor() {
 					}
 					free(env_emperor_fd_config);
 				}
+				if (fds)
+					free(fds);
+				close(proxy_fd);
 				break;
 			}
 next:

core/exceptions.c

@@ -464,6 +464,7 @@ void uwsgi_exception_setup_handlers() {
 
 	struct uwsgi_string_list *usl = uwsgi.exception_handlers_instance;
 	while(usl) {
+		// do not free handler !!!
 		char *handler = uwsgi_str(usl->value);
 		char *colon = strchr(handler, ':');
 		if (colon) {
@@ -472,10 +473,8 @@ void uwsgi_exception_setup_handlers() {
 		struct uwsgi_exception_handler *ueh = uwsgi_exception_handler_by_name(handler);
 		if (!ueh) {
 			uwsgi_log("unable to find exception handler: %s\n", handler);
-			free(handler);
 			exit(1);
 		}
-		free(handler);
 
 		struct uwsgi_exception_handler_instance *uehi = uwsgi_calloc(sizeof(struct uwsgi_exception_handler_instance));
 		uehi->handler = ueh;

core/gateway.c

@@ -72,7 +72,7 @@ void gateway_respawn(int id) {
 
 	if (gw_pid == 0) {
 		uwsgi_fixup_fds(0, 0, ug);
-		uwsgi_close_all_sockets();
+		uwsgi_close_all_unshared_sockets();
 		if (uwsgi.master_as_root)
 			uwsgi_as_root();
 #ifdef __linux__

core/hooks.c

@@ -91,6 +91,14 @@ static int uwsgi_hook_exec(char *arg) {
 	return ret;
 }
 
+static int uwsgi_hook_safeexec(char *arg) {
+        int ret = uwsgi_run_command_and_wait(NULL, arg);
+        if (ret != 0) {
+                uwsgi_log("command \"%s\" exited with non-zero code: %d\n", arg, ret);
+        }
+        return 0;
+}
+
 static int uwsgi_hook_exit(char *arg) {
 	int exit_code = 0;
 	if (strlen(arg) > 1) {
@@ -549,6 +557,22 @@ static int uwsgi_hook_retryrpc(char *arg) {
 	return 0;
 }
 
+static int uwsgi_hook_wait_for_fs(char *arg) {
+	return uwsgi_wait_for_fs(arg, 0);
+}
+
+static int uwsgi_hook_wait_for_file(char *arg) {
+	return uwsgi_wait_for_fs(arg, 1);
+}
+
+static int uwsgi_hook_wait_for_dir(char *arg) {
+	return uwsgi_wait_for_fs(arg, 2);
+}
+
+static int uwsgi_hook_wait_for_socket(char *arg) {
+	return uwsgi_wait_for_socket(arg);
+}
+
 void uwsgi_register_base_hooks() {
 	uwsgi_register_hook("cd", uwsgi_hook_chdir);
 	uwsgi_register_hook("chdir", uwsgi_hook_chdir);
@@ -562,6 +586,7 @@ void uwsgi_register_base_hooks() {
 	uwsgi_register_hook("sticky", uwsgi_hook_sticky);
 
 	uwsgi_register_hook("exec", uwsgi_hook_exec);
+	uwsgi_register_hook("safeexec", uwsgi_hook_safeexec);
 
 	uwsgi_register_hook("create", uwsgi_hook_creat);
 	uwsgi_register_hook("creat", uwsgi_hook_creat);
@@ -589,6 +614,12 @@ void uwsgi_register_base_hooks() {
 	uwsgi_register_hook("rpc", uwsgi_hook_rpc);
 	uwsgi_register_hook("retryrpc", uwsgi_hook_retryrpc);
 
+	uwsgi_register_hook("wait_for_fs", uwsgi_hook_wait_for_fs);
+	uwsgi_register_hook("wait_for_file", uwsgi_hook_wait_for_file);
+	uwsgi_register_hook("wait_for_dir", uwsgi_hook_wait_for_dir);
+
+	uwsgi_register_hook("wait_for_socket", uwsgi_hook_wait_for_socket);
+
 	// for testing
 	uwsgi_register_hook("exit", uwsgi_hook_exit);
 	uwsgi_register_hook("print", uwsgi_hook_print);

core/init.c

@@ -471,6 +471,10 @@ void sanitize_args() {
 		exit(1);
 	}
 
+	if (uwsgi.evil_reload_on_rss || uwsgi.evil_reload_on_as) {
+		if (!uwsgi.mem_collector_freq) uwsgi.mem_collector_freq = 3;
+	}
+
 	/* here we try to choose if thunder lock is a good thing */
 #ifdef UNBIT
 	if (uwsgi.numproc > 1 && !uwsgi.map_socket) {

core/legion.c

@@ -277,14 +277,12 @@ static void legions_check_nodes_step2() {
 			memcpy(best_uuid, node->uuid, 36);
 		}
 		// go on if i am not an arbiter
-		else if (ul->valor > 0) {
-			// no potential Lord is available, i will propose myself
-			// but only if i am not suspended...
-			if (uwsgi_now() > ul->suspended_til) {
-				best_valor = ul->valor;
-				memcpy(best_uuid, ul->uuid, 36);
-				i_am_the_best = 1;
-			}
+		// no potential Lord is available, i will propose myself
+		// but only if i am not suspended...
+		else if (ul->valor > 0 && uwsgi_now() > ul->suspended_til) {
+			best_valor = ul->valor;
+			memcpy(best_uuid, ul->uuid, 36);
+			i_am_the_best = 1;
 		}
 		else {
 			// empty lord

core/logging.c

@@ -3,6 +3,7 @@
 #endif
 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
 #include <sys/user.h>
+#include <sys/sysctl.h>
 #include <kvm.h>
 #elif defined(__sun__)
 /* Terrible Hack !!! */
@@ -13,10 +14,6 @@
 #define _FILE_OFFSET_BITS 64
 #endif
 
-#if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
-#include <sys/sysctl.h>
-#endif
-
 #ifdef __DragonFly__
 #include <uwsgi.h>
 #endif

core/master_checks.c

@@ -39,6 +39,8 @@ int uwsgi_master_check_reload(char **argv) {
 
 // check for chain reload
 void uwsgi_master_check_chain() {
+	static time_t last_check = 0;
+
 	if (!uwsgi.status.chain_reloading) return;
 
 	// we need to ensure the previous worker (if alive) is accepting new requests
@@ -49,7 +51,11 @@ void uwsgi_master_check_chain() {
 		if (previous_worker->pid > 0 && !previous_worker->cheaped) {
 			// the worker has been respawned but it is still not ready
 			if (previous_worker->accepting == 0) {
-				uwsgi_log_verbose("chain is still waiting for worker %d...\n", uwsgi.status.chain_reloading-1);
+				time_t now = uwsgi_now();
+				if (now != last_check) {
+					uwsgi_log_verbose("chain is still waiting for worker %d...\n", uwsgi.status.chain_reloading-1);
+					last_check = now;
+				}
 				return;
 			}
 		}

core/routing.c

@@ -756,6 +756,27 @@ static int uwsgi_router_fixcl(struct uwsgi_route *ur, char *arg) {
         return 0;
 }
 
+// force content length
+static int transform_forcecl(struct wsgi_request *wsgi_req, struct uwsgi_transformation *ut) {
+        char buf[sizeof(UMAX64_STR)+1];
+        int ret = snprintf(buf, sizeof(UMAX64_STR)+1, "%llu", (unsigned long long) ut->chunk->pos);
+        if (ret <= 0 || ret >= (int) (sizeof(UMAX64_STR)+1)) {
+                wsgi_req->write_errors++;
+                return -1;
+        }
+        // do not check for errors !!!
+        uwsgi_response_add_header_force(wsgi_req, "Content-Length", 14, buf, ret);
+        return 0;
+}
+static int uwsgi_router_forcecl_func(struct wsgi_request *wsgi_req, struct uwsgi_route *route) {
+        uwsgi_add_transformation(wsgi_req, transform_forcecl, NULL);
+        return UWSGI_ROUTE_NEXT;
+}
+static int uwsgi_router_forcecl(struct uwsgi_route *ur, char *arg) {
+        ur->func = uwsgi_router_forcecl_func;
+        return 0;
+}
+
 // log route
 static int uwsgi_router_log_func(struct wsgi_request *wsgi_req, struct uwsgi_route *ur) {
 
@@ -1194,6 +1215,27 @@ static int uwsgi_router_setpathinfo(struct uwsgi_route *ur, char *arg) {
         return 0;
 }
 
+// fixpathinfo route
+static int uwsgi_router_fixpathinfo_func(struct wsgi_request *wsgi_req, struct uwsgi_route *ur) {
+	if (wsgi_req->script_name_len == 0)
+		return UWSGI_ROUTE_NEXT;
+
+        char *ptr = uwsgi_req_append(wsgi_req, "PATH_INFO", 9, wsgi_req->path_info+wsgi_req->script_name_len, wsgi_req->path_info_len - wsgi_req->script_name_len);
+        if (!ptr) {
+                return UWSGI_ROUTE_BREAK;
+        }
+        wsgi_req->path_info = wsgi_req->path_info+wsgi_req->script_name_len;
+        wsgi_req->path_info_len = wsgi_req->path_info_len - wsgi_req->script_name_len;
+        return UWSGI_ROUTE_NEXT;
+}
+static int uwsgi_router_fixpathinfo(struct uwsgi_route *ur, char *arg) {
+        ur->func = uwsgi_router_fixpathinfo_func;
+        ur->data = arg;
+        ur->data_len = strlen(arg);
+        return 0;
+}
+
+
 // setscheme route
 static int uwsgi_router_setscheme_func(struct wsgi_request *wsgi_req, struct uwsgi_route *ur) {
         char **subject = (char **) (((char *)(wsgi_req))+ur->subject);
@@ -1757,6 +1799,10 @@ static char *uwsgi_route_var_uwsgi(struct wsgi_request *wsgi_req, char *key, uin
                 ret = uwsgi_64bit2str(wsgi_req->response_size);
                 *vallen = strlen(ret);
         }
+	else if (!uwsgi_strncmp(key, keylen, "sor", 3)) {
+                ret = uwsgi_64bit2str(wsgi_req->start_of_request);
+                *vallen = strlen(ret);
+        }
 
 	return ret;
 }
@@ -1793,6 +1839,10 @@ static char *uwsgi_route_var_time(struct wsgi_request *wsgi_req, char *key, uint
                 ret = uwsgi_num2str(uwsgi_now());
                 *vallen = strlen(ret);
         }
+	else if (!uwsgi_strncmp(key, keylen, "micros", 6)) {
+		ret = uwsgi_64bit2str(uwsgi_micros());
+                *vallen = strlen(ret);
+	}
         return ret;
 }
 
@@ -1850,6 +1900,7 @@ void uwsgi_register_embedded_routers() {
         uwsgi_register_router("seturi", uwsgi_router_seturi);
         uwsgi_register_router("setremoteaddr", uwsgi_router_setremoteaddr);
         uwsgi_register_router("setpathinfo", uwsgi_router_setpathinfo);
+        uwsgi_register_router("fixpathinfo", uwsgi_router_fixpathinfo);
         uwsgi_register_router("setdocroot", uwsgi_router_setdocroot);
         uwsgi_register_router("setscheme", uwsgi_router_setscheme);
         uwsgi_register_router("setprocname", uwsgi_router_setprocname);
@@ -1865,6 +1916,7 @@ void uwsgi_register_embedded_routers() {
 
         uwsgi_register_router("flush", uwsgi_router_flush);
         uwsgi_register_router("fixcl", uwsgi_router_fixcl);
+        uwsgi_register_router("forcecl", uwsgi_router_forcecl);
 
         uwsgi_register_router("harakiri", uwsgi_router_harakiri);
 

core/sharedarea.c

@@ -280,8 +280,8 @@ struct uwsgi_sharedarea *uwsgi_sharedarea_init_fd(int fd, uint64_t len, off_t of
 	}
         uwsgi.sharedareas[id]->id = id;
         uwsgi.sharedareas[id]->fd = fd;
-        uwsgi.sharedareas[id]->pages = len / uwsgi.page_size;
-        if (len % uwsgi.page_size != 0) uwsgi.sharedareas[id]->pages++;
+        uwsgi.sharedareas[id]->pages = len / (size_t) uwsgi.page_size;
+        if (len % (size_t) uwsgi.page_size != 0) uwsgi.sharedareas[id]->pages++;
         uwsgi.sharedareas[id]->max_pos = len-1;
         char *id_str = uwsgi_num2str(id);
         uwsgi.sharedareas[id]->lock = uwsgi_rwlock_init(uwsgi_concat2("sharedarea", id_str));
@@ -292,12 +292,12 @@ struct uwsgi_sharedarea *uwsgi_sharedarea_init_fd(int fd, uint64_t len, off_t of
 
 struct uwsgi_sharedarea *uwsgi_sharedarea_init(int pages) {
 	int id = uwsgi_sharedarea_new_id();
-	uwsgi.sharedareas[id] = uwsgi_calloc_shared(uwsgi.page_size * (pages + 1));
-	uwsgi.sharedareas[id]->area = ((char *) uwsgi.sharedareas[id]) + uwsgi.page_size;
+	uwsgi.sharedareas[id] = uwsgi_calloc_shared((size_t)uwsgi.page_size * (size_t)(pages + 1));
+	uwsgi.sharedareas[id]->area = ((char *) uwsgi.sharedareas[id]) + (size_t) uwsgi.page_size;
 	uwsgi.sharedareas[id]->id = id;
 	uwsgi.sharedareas[id]->fd = -1;
 	uwsgi.sharedareas[id]->pages = pages;
-	uwsgi.sharedareas[id]->max_pos = (uwsgi.page_size * pages) -1;
+	uwsgi.sharedareas[id]->max_pos = ((size_t)uwsgi.page_size * (size_t)pages) -1;
 	char *id_str = uwsgi_num2str(id);
 	uwsgi.sharedareas[id]->lock = uwsgi_rwlock_init(uwsgi_concat2("sharedarea", id_str));
 	free(id_str);
@@ -310,8 +310,8 @@ struct uwsgi_sharedarea *uwsgi_sharedarea_init_ptr(char *area, uint64_t len) {
         uwsgi.sharedareas[id]->area = area;
         uwsgi.sharedareas[id]->id = id;
         uwsgi.sharedareas[id]->fd = -1;
-        uwsgi.sharedareas[id]->pages = len / uwsgi.page_size;
-	if (len % uwsgi.page_size != 0) uwsgi.sharedareas[id]->pages++;
+        uwsgi.sharedareas[id]->pages = len / (size_t) uwsgi.page_size;
+	if (len % (size_t) uwsgi.page_size != 0) uwsgi.sharedareas[id]->pages++;
         uwsgi.sharedareas[id]->max_pos = len-1;
         char *id_str = uwsgi_num2str(id);
         uwsgi.sharedareas[id]->lock = uwsgi_rwlock_init(uwsgi_concat2("sharedarea", id_str));
@@ -348,8 +348,8 @@ struct uwsgi_sharedarea *uwsgi_sharedarea_init_keyval(char *arg) {
 		else {
 			len = uwsgi_n64(s_size);
 		}
-		pages = len / uwsgi.page_size;
-        	if (len % uwsgi.page_size != 0) pages++;
+		pages = len / (size_t) uwsgi.page_size;
+        	if (len % (size_t) uwsgi.page_size != 0) pages++;
 	}
 
 	if (s_offset) {

core/socket.c

@@ -1249,10 +1249,20 @@ void uwsgi_add_socket_from_fd(struct uwsgi_socket *uwsgi_sock, int fd) {
 }
 
 void uwsgi_close_all_sockets() {
+        struct uwsgi_socket *uwsgi_sock = uwsgi.sockets;
+
+        while (uwsgi_sock) {
+                if (uwsgi_sock->bound)
+                        close(uwsgi_sock->fd);
+                uwsgi_sock = uwsgi_sock->next;
+        }
+}
+
+void uwsgi_close_all_unshared_sockets() {
 	struct uwsgi_socket *uwsgi_sock = uwsgi.sockets;
 
 	while (uwsgi_sock) {
-		if (uwsgi_sock->bound)
+		if (uwsgi_sock->bound && !uwsgi_sock->shared)
 			close(uwsgi_sock->fd);
 		uwsgi_sock = uwsgi_sock->next;
 	}

core/spooler.c

@@ -480,7 +480,7 @@ static void spooler_scandir(struct uwsgi_spooler *uspool, char *dir) {
 	if (!dir)
 		dir = uspool->dir;
 
-	n = scandir(dir, &tasklist, 0, versionsort);
+	n = scandir(dir, &tasklist, NULL, versionsort);
 	if (n < 0) {
 		uwsgi_error("scandir()");
 		return;

core/ssl.c

@@ -30,7 +30,18 @@ void uwsgi_ssl_info_cb(SSL const *ssl, int where, int ret) {
 }
 
 int uwsgi_ssl_verify_callback(int ok, X509_STORE_CTX * x509_store) {
-        return 1;
+        if (!ok && uwsgi.ssl_verbose) {
+                char buf[256];
+                X509 *err_cert;
+                int depth;
+                int err;
+                depth = X509_STORE_CTX_get_error_depth(x509_store);
+                err_cert = X509_STORE_CTX_get_current_cert(x509_store);
+                X509_NAME_oneline(X509_get_subject_name(err_cert), buf, 256);
+                err = X509_STORE_CTX_get_error(x509_store);
+                uwsgi_log("[uwsgi-ssl] client certificate verify error: num=%d:%s:depth=%d:%s\n", err, X509_verify_cert_error_string(err), depth, buf);
+        }
+        return ok;
 }
 
 int uwsgi_ssl_session_new_cb(SSL *ssl, SSL_SESSION *sess) {

core/static.c

@@ -463,23 +463,22 @@ int uwsgi_real_file_serve(struct wsgi_request *wsgi_req, char *real_filename, si
 	wsgi_req->do_not_account_avg_rt = 1;
 
 	size_t fsize = st->st_size;
-        if (wsgi_req->range_to) {
-        	fsize = wsgi_req->range_to - wsgi_req->range_from;
-                if (fsize > (size_t)st->st_size) {
-                	fsize = st->st_size;
-                }
+	// security check
+        if (wsgi_req->range_from > fsize) {
+                wsgi_req->range_from = 0;
+                wsgi_req->range_to = 0;
         }
 	else {
-        	// reset in case of inconsistent size
-        	if (wsgi_req->range_from > fsize) {
-        		wsgi_req->range_from = 0;
-        		fsize = 0;
-        	}
-		else {
-			fsize -= wsgi_req->range_from;
-		}
+		fsize -= wsgi_req->range_from;
 	}
 
+        if (wsgi_req->range_to) {
+        	fsize = (wsgi_req->range_to - wsgi_req->range_from)+1;
+                if (fsize + wsgi_req->range_from > (size_t) (st->st_size)) {
+                	fsize = st->st_size - wsgi_req->range_from;
+                }
+        }
+
 	// HTTP status
 	if (fsize > 0 && (wsgi_req->range_from || wsgi_req->range_to)) {
 		if (uwsgi_response_prepare_headers(wsgi_req, "206 Partial Content", 19)) return -1;

core/utils.c

@@ -3514,7 +3514,7 @@ int uwsgi_tmpfd() {
 		tmpdir = "/tmp";
 	}
 #ifdef O_TMPFILE
-	fd = open(tmpdir, O_TMPFILE | O_RDWR);
+	fd = open(tmpdir, O_TMPFILE | O_RDWR, S_IRUSR | S_IWUSR);
 	if (fd >= 0) {
 		return fd;
 	}
@@ -4446,6 +4446,7 @@ void uwsgi_setns(char *path) {
 				}
 			}
 			free(fds);
+			close(ns_fd);
 			break;
 		}
 		if (fds)
@@ -4510,6 +4511,7 @@ retry:
                 sleep(1);
                 counter++;
         }
+	return -1;
 }
 
 // type -> 1 file, 2 dir, 0 both
@@ -4534,4 +4536,29 @@ retry:
                 sleep(1);
                 counter++;
         }
+	return -1;
+}
+
+int uwsgi_wait_for_socket(char *socket_name) {
+        if (!uwsgi.wait_for_socket_timeout) {
+                uwsgi.wait_for_socket_timeout = 60;
+        }
+        uwsgi_log("waiting for %s (max %d seconds) ...\n", socket_name, uwsgi.wait_for_socket_timeout);
+        int counter = 0;
+        for (;;) {
+                if (counter > uwsgi.wait_for_socket_timeout) {
+                        uwsgi_log("%s unavailable after %d seconds\n", socket_name, counter);
+                        return -1;
+                }
+		// wait for 1 second to respect uwsgi.wait_for_fs_timeout
+		int fd = uwsgi_connect(socket_name, 1, 0);
+		if (fd < 0) goto retry;
+		close(fd);
+                uwsgi_log_verbose("%s ready\n", socket_name);
+                return 0;
+retry:
+                sleep(1);
+                counter++;
+        }
+	return -1;
 }

core/uwsgi.c

@@ -2,7 +2,7 @@
 
  *** uWSGI ***
 
- Copyright (C) 2009-2014 Unbit S.a.s. <info@unbit.it>
+ Copyright (C) 2009-2015 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
@@ -202,6 +202,8 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"emperor", required_argument, 0, "run the Emperor", uwsgi_opt_add_string_list, &uwsgi.emperor, 0},
 	{"emperor-proxy-socket", required_argument, 0, "force the vassal to became an Emperor proxy", uwsgi_opt_set_str, &uwsgi.emperor_proxy, 0},
 	{"emperor-wrapper", required_argument, 0, "set a binary wrapper for vassals", uwsgi_opt_set_str, &uwsgi.emperor_wrapper, 0},
+	{"emperor-wrapper-override", required_argument, 0, "set a binary wrapper for vassals to try before the default one", uwsgi_opt_add_string_list, &uwsgi.emperor_wrapper_override, 0},
+	{"emperor-wrapper-fallback", required_argument, 0, "set a binary wrapper for vassals to try as a last resort", uwsgi_opt_add_string_list, &uwsgi.emperor_wrapper_fallback, 0},
 	{"emperor-nofollow", no_argument, 0, "do not follow symlinks when checking for mtime", uwsgi_opt_true, &uwsgi.emperor_nofollow, 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},
@@ -467,6 +469,9 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"wait-for-mountpoint", required_argument, 0, "wait for the specified mountpoint to appear before running root hooks", uwsgi_opt_add_string_list, &uwsgi.wait_for_mountpoint, 0},
 	{"wait-for-fs-timeout", required_argument, 0, "set the timeout for wait-for-fs/file/dir", uwsgi_opt_set_int, &uwsgi.wait_for_fs_timeout, 0},
 
+	{"wait-for-socket", required_argument, 0, "wait for the specified socket to be ready before loading apps", uwsgi_opt_add_string_list, &uwsgi.wait_for_socket, 0},
+	{"wait-for-socket-timeout", required_argument, 0, "set the timeout for wait-for-socket", uwsgi_opt_set_int, &uwsgi.wait_for_socket_timeout, 0},
+
 	{"call-asap", required_argument, 0, "call the specified function as soon as possible", uwsgi_opt_add_string_list, &uwsgi.call_asap, 0},
 	{"call-pre-jail", required_argument, 0, "call the specified function before jailing", uwsgi_opt_add_string_list, &uwsgi.call_pre_jail, 0},
 	{"call-post-jail", required_argument, 0, "call the specified function after jailing", uwsgi_opt_add_string_list, &uwsgi.call_post_jail, 0},
@@ -516,6 +521,7 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"reload-on-rss", required_argument, 0, "reload if rss memory is higher than specified megabytes", uwsgi_opt_set_megabytes, &uwsgi.reload_on_rss, UWSGI_OPT_MEMORY},
 	{"evil-reload-on-as", required_argument, 0, "force the master to reload a worker if its address space is higher than specified megabytes", uwsgi_opt_set_megabytes, &uwsgi.evil_reload_on_as, UWSGI_OPT_MASTER | UWSGI_OPT_MEMORY},
 	{"evil-reload-on-rss", required_argument, 0, "force the master to reload a worker if its rss memory is higher than specified megabytes", uwsgi_opt_set_megabytes, &uwsgi.evil_reload_on_rss, UWSGI_OPT_MASTER | UWSGI_OPT_MEMORY},
+	{"mem-collector-freq", required_argument, 0, "set the memory collector frequency when evil reloads are in place", uwsgi_opt_set_int, &uwsgi.mem_collector_freq, 0},
 
 	{"reload-on-fd", required_argument, 0, "reload if the specified file descriptor is ready", uwsgi_opt_add_string_list, &uwsgi.reload_on_fd, UWSGI_OPT_MASTER},
 	{"brutal-reload-on-fd", required_argument, 0, "brutal reload if the specified file descriptor is ready", uwsgi_opt_add_string_list, &uwsgi.brutal_reload_on_fd, UWSGI_OPT_MASTER},
@@ -696,7 +702,7 @@ 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},
 	{"alarm-cheap", required_argument, 0, "use main alarm thread rather than create dedicated threads for curl-based alarms", uwsgi_opt_true, &uwsgi.alarm_cheap, 0},
-	{"alarm-freq", required_argument, 0, "tune the anti-loop alam system (default 3 seconds)", uwsgi_opt_set_int, &uwsgi.alarm_freq, 0},
+	{"alarm-freq", required_argument, 0, "tune the anti-loop alarm system (default 3 seconds)", uwsgi_opt_set_int, &uwsgi.alarm_freq, 0},
 	{"alarm-fd", required_argument, 0, "raise the specified alarm when an fd is read for read (by default it reads 1 byte, set 8 for eventfd)", uwsgi_opt_add_string_list, &uwsgi.alarm_fd_list, UWSGI_OPT_MASTER},
 	{"alarm-segfault", required_argument, 0, "raise the specified alarm when the segmentation fault handler is executed", uwsgi_opt_add_string_list, &uwsgi.alarm_segfault, UWSGI_OPT_MASTER},
 	{"segfault-alarm", required_argument, 0, "raise the specified alarm when the segmentation fault handler is executed", uwsgi_opt_add_string_list, &uwsgi.alarm_segfault, UWSGI_OPT_MASTER},
@@ -1174,7 +1180,7 @@ void wait_for_threads() {
 	int sudden_death = 0;
 
 	pthread_mutex_lock(&uwsgi.six_feet_under_lock);
-	for (i = 0; i < uwsgi.threads; i++) {
+	for (i = 1; i < uwsgi.threads; i++) {
 		if (!pthread_equal(uwsgi.workers[uwsgi.mywid].cores[i].thread_id, pthread_self())) {
 			if (pthread_cancel(uwsgi.workers[uwsgi.mywid].cores[i].thread_id)) {
 				uwsgi_error("pthread_cancel()\n");
@@ -1187,7 +1193,7 @@ void wait_for_threads() {
 		goto end;
 
 	// wait for thread termination
-	for (i = 0; i < uwsgi.threads; i++) {
+	for (i = 1; i < uwsgi.threads; i++) {
 		if (!pthread_equal(uwsgi.workers[uwsgi.mywid].cores[i].thread_id, pthread_self())) {
 			ret = pthread_join(uwsgi.workers[uwsgi.mywid].cores[i].thread_id, NULL);
 			if (ret) {
@@ -1196,6 +1202,22 @@ void wait_for_threads() {
 		}
 	}
 
+	// cancel inital thread last since after pthread_cancel() and
+	// pthread_join() is called on it, the whole process will appear to be
+	// a zombie. although it won't eliminate process zombie time, but it
+	// should minimize it.
+	if (!pthread_equal(uwsgi.workers[uwsgi.mywid].cores[0].thread_id, pthread_self())) {
+		if (pthread_cancel(uwsgi.workers[uwsgi.mywid].cores[0].thread_id)) {
+			uwsgi_error("pthread_cancel() on initial thread\n");
+			goto end;
+		}
+
+		ret = pthread_join(uwsgi.workers[uwsgi.mywid].cores[0].thread_id, NULL);
+		if (ret) {
+			uwsgi_log("pthread_join() = %d on initial thread\n", ret);
+		}
+	}
+
 end:
 
 	pthread_mutex_unlock(&uwsgi.six_feet_under_lock);
@@ -2262,7 +2284,7 @@ void uwsgi_setup(int argc, char *argv[], char *envp[]) {
 		uwsgi_opt_flock(NULL, uwsgi.flock_wait2, NULL);
 
 	// setup master logging
-	if (uwsgi.log_master)
+	if (uwsgi.log_master && !uwsgi.daemonize2)
 		uwsgi_setup_log_master();
 
 	// setup offload engines
@@ -2542,6 +2564,11 @@ int uwsgi_start(void *v_argv) {
 		uwsgi_as_root();
 	}
 
+	// wait for socket
+	uwsgi_foreach(usl, uwsgi.wait_for_socket) {
+		if (uwsgi_wait_for_socket(usl->value)) exit(1);
+	}
+
 	if (uwsgi.logto2) {
 		if (!uwsgi.is_a_reload || uwsgi.log_reopen) {
 			logto(uwsgi.logto2);
@@ -3210,6 +3237,24 @@ next2:
 
 }
 
+// this lives in a worker thread and periodically scans for memory usage
+// when evil reloaders are in place
+void *mem_collector(void *foobar) {
+	// block all signals
+        sigset_t smask;
+        sigfillset(&smask);
+        pthread_sigmask(SIG_BLOCK, &smask, NULL);
+	uwsgi_log_verbose("mem-collector thread started for worker %d\n", uwsgi.mywid);
+	for(;;) {
+		sleep(uwsgi.mem_collector_freq);
+		uint64_t rss, vsz;
+		get_memusage(&rss, &vsz);
+		uwsgi.workers[uwsgi.mywid].rss_size = rss;
+		uwsgi.workers[uwsgi.mywid].vsz_size = vsz;
+	}
+	return NULL;
+}
+
 int uwsgi_run() {
 
 	// !!! from now on, we could be in the master or in a worker !!!
@@ -3236,6 +3281,11 @@ int uwsgi_run() {
 	}
 #endif
 
+	if (uwsgi.evil_reload_on_rss || uwsgi.evil_reload_on_as) {
+		pthread_t t;
+		pthread_create(&t, NULL, mem_collector, NULL);
+	}
+
 
 	// eventually maps (or disable) sockets for the  worker
 	uwsgi_map_sockets();
@@ -4413,6 +4463,7 @@ int uwsgi_zerg_attach(char *value) {
 
 	if (zerg == NULL) {
 		uwsgi_log("--- invalid data received from zerg-server ---\n");
+		close(zerg_fd);
 		return -1;
 	}
 
@@ -4708,7 +4759,7 @@ extern char *uwsgi_dot_h;
 char *uwsgi_get_dot_h() {
 	char *src = uwsgi_dot_h;
 	size_t len = strlen(src);
-        char *ptr = uwsgi_malloc(len / 2);
+        char *ptr = uwsgi_malloc((len / 2) + 1);
         char *base = ptr;
         size_t i;
         unsigned int u;
@@ -4729,6 +4780,9 @@ char *uwsgi_get_dot_h() {
 	base = ub->buf;
 	ub->buf = NULL;
 	uwsgi_buffer_destroy(ub);
+#else
+        // add final null byte
+        *ptr = '\0';
 #endif
 	return base;
 }
@@ -4741,7 +4795,7 @@ extern char *uwsgi_config_py;
 char *uwsgi_get_config_py() {
         char *src = uwsgi_config_py;
         size_t len = strlen(src);
-        char *ptr = uwsgi_malloc(len / 2);
+        char *ptr = uwsgi_malloc((len / 2) + 1);
         char *base = ptr;
         size_t i;
         unsigned int u;
@@ -4762,6 +4816,9 @@ char *uwsgi_get_config_py() {
         base = ub->buf;
         ub->buf = NULL;
         uwsgi_buffer_destroy(ub);
+#else
+        // add final null byte
+        *ptr = '\0';
 #endif
         return base;
 }

plugins/cgi/cgi_plugin.c

@@ -533,9 +533,9 @@ static int uwsgi_cgi_request(struct wsgi_request *wsgi_req) {
 		memcpy(full_path, tmp_path, full_path_len+1);
 
 		if (uwsgi_starts_with(full_path, full_path_len, docroot, docroot_len)) {
+                	uwsgi_log("CGI security error: %s is not under %s\n", full_path, docroot);
 			if (need_free)
 				free(docroot);
-                	uwsgi_log("CGI security error: %s is not under %s\n", full_path, docroot);
                 	return -1;
         	}
 

plugins/psgi/psgi_loader.c

@@ -11,8 +11,8 @@ XS(XS_input_seek) {
         dXSARGS;
 	struct wsgi_request *wsgi_req = current_wsgi_req();
 
-        psgi_check_args(1);
-	uwsgi_request_body_seek(wsgi_req, SvIV(ST(0)));
+        psgi_check_args(2);
+	uwsgi_request_body_seek(wsgi_req, SvIV(ST(1)));
 
         XSRETURN(0);
 }
@@ -144,7 +144,7 @@ XS(XS_input_read) {
 			else {
 				long orig_offset = 0;
 				 // first of all get the new orig_len;   
-                                offset = abs(offset);
+                                offset = labs(offset);
                                 if (offset > (long) orig_len) {
                                         new_size = offset;
 					orig_offset = offset - orig_len;
@@ -302,15 +302,15 @@ nonworker:
 				else {
 					av_push(_opt_a, newSVpv(uwsgi.exported_opts[i]->value, 0));
 				}
-				hv_store(_opts, uwsgi.exported_opts[i]->key, strlen(uwsgi.exported_opts[i]->key), newRV_inc((SV *) _opt_a), 0);
+				(void ) hv_store(_opts, uwsgi.exported_opts[i]->key, strlen(uwsgi.exported_opts[i]->key), newRV_inc((SV *) _opt_a), 0);
 			}
 		}
 		else {
 			if (uwsgi.exported_opts[i]->value == NULL) {
-				hv_store(_opts, uwsgi.exported_opts[i]->key, strlen(uwsgi.exported_opts[i]->key), newSViv(1), 0);
+				(void )hv_store(_opts, uwsgi.exported_opts[i]->key, strlen(uwsgi.exported_opts[i]->key), newSViv(1), 0);
 			}
 			else {
-				hv_store(_opts, uwsgi.exported_opts[i]->key, strlen(uwsgi.exported_opts[i]->key), newSVpv(uwsgi.exported_opts[i]->value, 0), 0);
+				(void)hv_store(_opts, uwsgi.exported_opts[i]->key, strlen(uwsgi.exported_opts[i]->key), newSVpv(uwsgi.exported_opts[i]->value, 0), 0);
 			}
 		}
 	}

plugins/psgi/psgi_plugin.c

@@ -637,6 +637,19 @@ void uwsgi_perl_after_request(struct wsgi_request *wsgi_req) {
 	// before the environ is set up.
 	if (!wsgi_req->async_environ) return;
 
+	// we need to restore the context in case of multiple interpreters
+	struct uwsgi_app *wi = &uwsgi_apps[wsgi_req->app_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]);
+                }
+        }
+
 	// dereference %env
 	SV *env = SvRV((SV *) wsgi_req->async_environ);
 
@@ -684,6 +697,19 @@ void uwsgi_perl_after_request(struct wsgi_request *wsgi_req) {
                 }
         }
 
+	// restore main interpreter if needed
+        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]);
+                }
+        }
+
+
 }
 
 int uwsgi_perl_magic(char *mountpoint, char *lazy) {

plugins/pypy/pypy_setup.py

@@ -393,7 +393,7 @@ class WSGIinput(object):
         rlen = ffi.new('ssize_t*')
         chunk = lib.uwsgi_request_body_read(self.wsgi_req, size, rlen)
         if chunk != ffi.NULL:
-            return ffi.string(chunk, rlen[0])
+            return ffi.buffer(chunk, rlen[0])[:]
         if rlen[0] < 0:
             raise IOError("error reading wsgi.input")
         raise IOError("error waiting for wsgi.input")
@@ -402,7 +402,7 @@ class WSGIinput(object):
         rlen = ffi.new('ssize_t*')
         chunk = lib.uwsgi_request_body_readline(self.wsgi_req, hint, rlen)
         if chunk != ffi.NULL:
-            return ffi.string(chunk, rlen[0])
+            return ffi.buffer(chunk, rlen[0])[:]
         if rlen[0] < 0:
             raise IOError("error reading line from wsgi.input")
         raise IOError("error waiting for line on wsgi.input")
@@ -521,7 +521,7 @@ class uwsgi_pypy_RPC(object):
     def __call__(self, argc, argv, argvs, buf):
         pargs = []
         for i in range(0, argc):
-            pargs.append(ffi.string(argv[i], argvs[i]))
+            pargs.append(ffi.buffer(argv[i], argvs[i])[:])
         response = self.func(*pargs)
         if len(response) > 0:
             buf[0] = lib.uwsgi_malloc(len(response))
@@ -560,7 +560,7 @@ def uwsgi_pypy_rpc(node, func, *args):
 
     response = lib.uwsgi_do_rpc(c_node, ffi.new("char[]",func), argc, argv, argvs, rsize)
     if response:
-        ret = ffi.string(response, rsize[0])
+        ret = ffi.buffer(response, rsize[0])[:]
         lib.free(response)
         return ret
     return None
@@ -587,7 +587,7 @@ def uwsgi_pypy_uwsgi_cache_get(key, cache=ffi.NULL):
     value = lib.uwsgi_cache_magic_get(key, len(key), vallen, ffi.NULL, cache)
     if value == ffi.NULL:
         return None
-    ret = ffi.string(value, vallen[0])
+    ret = ffi.buffer(value, vallen[0])[:]
     libc.free(value)
     return ret
 uwsgi.cache_get = uwsgi_pypy_uwsgi_cache_get
@@ -617,8 +617,9 @@ def uwsgi_pypy_uwsgi_cache_keys(cache=ffi.NULL):
     uci = ffi.new('struct uwsgi_cache_item **')
     while True:
         uci[0] = lib.uwsgi_cache_keys(uc, pos, uci)
-        if uci[0] == ffi.NULL: break
-        l.append(ffi.string(lib.uwsgi_cache_item_key(uci[0]), uci[0].keysize))
+        if uci[0] == ffi.NULL:
+            break
+        l.append(ffi.buffer(lib.uwsgi_cache_item_key(uci[0]), uci[0].keysize)[:])
     lib.uwsgi_cache_rwunlock(uc)
     return l
 uwsgi.cache_keys = uwsgi_pypy_uwsgi_cache_keys
@@ -849,7 +850,7 @@ def uwsgi_pypy_websocket_recv():
     ub = lib.uwsgi_websocket_recv(wsgi_req);
     if ub == ffi.NULL:
         raise IOError("unable to receive websocket message")
-    ret = ffi.string(ub.buf, ub.pos)
+    ret = ffi.buffer(ub.buf, ub.pos)[:]
     lib.uwsgi_buffer_destroy(ub)
     return ret
 uwsgi.websocket_recv = uwsgi_pypy_websocket_recv
@@ -862,7 +863,7 @@ def uwsgi_pypy_websocket_recv_nb():
     ub = lib.uwsgi_websocket_recv_nb(wsgi_req);
     if ub == ffi.NULL:
         raise IOError("unable to receive websocket message")
-    ret = ffi.string(ub.buf, ub.pos)
+    ret = ffi.buffer(ub.buf, ub.pos)[:]
     lib.uwsgi_buffer_destroy(ub)
     return ret
 uwsgi.websocket_recv_nb = uwsgi_pypy_websocket_recv_nb
@@ -897,7 +898,7 @@ def uwsgi_pypy_chunked_read(timeout=0):
     chunk = lib.uwsgi_chunked_read(wsgi_req, rlen, timeout, 0)
     if chunk == ffi.NULL:
         raise IOError("unable to receive chunked part")
-    return ffi.string(chunk, rlen[0])
+    return ffi.buffer(chunk, rlen[0])[:]
 uwsgi.chunked_read = uwsgi_pypy_chunked_read
 
 """
@@ -911,8 +912,7 @@ def uwsgi_pypy_chunked_read_nb():
         if lib.uwsgi_is_again() > 0:
             return None
         raise IOError("unable to receive chunked part")
-    
-    return ffi.string(chunk, rlen[0])
+    return ffi.buffer(chunk, rlen[0])[:]
 uwsgi.chunked_read_nb = uwsgi_pypy_chunked_read_nb
 
 """

plugins/python/python_plugin.c

@@ -88,7 +88,7 @@ struct uwsgi_option uwsgi_python_options[] = {
 	{"module", required_argument,'w', "load a WSGI module", uwsgi_opt_set_str, &up.wsgi_config, 0},
 	{"wsgi", required_argument, 'w', "load a WSGI module", uwsgi_opt_set_str, &up.wsgi_config, 0},
 	{"callable", required_argument, 0, "set default WSGI callable name", uwsgi_opt_set_str, &up.callable, 0},
-	{"test", required_argument, 'J', "test a mdule import", uwsgi_opt_set_str, &up.test_module, 0},
+	{"test", required_argument, 'J', "test a module import", uwsgi_opt_set_str, &up.test_module, 0},
 	{"home", required_argument, 'H', "set PYTHONHOME/virtualenv", uwsgi_opt_set_str, &up.home, 0},
 	{"virtualenv", required_argument, 'H', "set PYTHONHOME/virtualenv", uwsgi_opt_set_str, &up.home, 0},
 	{"venv", required_argument, 'H', "set PYTHONHOME/virtualenv", uwsgi_opt_set_str, &up.home, 0},
@@ -1670,6 +1670,8 @@ int uwsgi_python_spooler(char *filename, char *buf, uint16_t len, char *body, si
 		PyDict_SetItemString(spool_dict, "body", value);
 		Py_DECREF(value);
 	}
+	// PyTuple_SetItem steals a reference !!!
+	Py_INCREF(spool_dict);
 	PyTuple_SetItem(pyargs, 0, spool_dict);
 
 	ret = python_call(spool_func, pyargs, 0, NULL);

plugins/python/uwsgi_pymodule.c

@@ -1448,6 +1448,72 @@ PyObject *py_uwsgi_sharedarea_inc64(PyObject * self, PyObject * args) {
 
 }
 
+PyObject *py_uwsgi_sharedarea_inc32(PyObject * self, PyObject * args) {
+        int id;
+        uint64_t pos = 0;
+        int32_t value = 1;
+
+        if (!PyArg_ParseTuple(args, "iL|i:sharedarea_inc32", &id, &pos, &value)) {
+                return NULL;
+        }
+
+        UWSGI_RELEASE_GIL
+        int ret = uwsgi_sharedarea_inc32(id, pos, value);
+        UWSGI_GET_GIL
+
+        if (ret) {
+                return PyErr_Format(PyExc_ValueError, "error calling uwsgi_sharedarea_inc32()");
+        }
+
+        Py_INCREF(Py_None);
+        return Py_None;
+
+}
+
+PyObject *py_uwsgi_sharedarea_dec64(PyObject * self, PyObject * args) {
+        int id;
+        uint64_t pos = 0;
+        int64_t value = 1;
+
+        if (!PyArg_ParseTuple(args, "iL|l:sharedarea_dec64", &id, &pos, &value)) {
+                return NULL;
+        }
+
+        UWSGI_RELEASE_GIL
+        int ret = uwsgi_sharedarea_dec64(id, pos, value);
+        UWSGI_GET_GIL
+
+        if (ret) {
+                return PyErr_Format(PyExc_ValueError, "error calling uwsgi_sharedarea_dec64()");
+        }
+
+        Py_INCREF(Py_None);
+        return Py_None;
+
+}
+
+PyObject *py_uwsgi_sharedarea_dec32(PyObject * self, PyObject * args) {
+        int id;
+        uint64_t pos = 0;
+        int32_t value = 1;
+
+        if (!PyArg_ParseTuple(args, "iL|i:sharedarea_dec32", &id, &pos, &value)) {
+                return NULL;
+        }
+
+        UWSGI_RELEASE_GIL
+        int ret = uwsgi_sharedarea_dec32(id, pos, value);
+        UWSGI_GET_GIL
+
+        if (ret) {
+                return PyErr_Format(PyExc_ValueError, "error calling uwsgi_sharedarea_dec32()");
+        }
+
+        Py_INCREF(Py_None);
+        return Py_None;
+
+}
+
 PyObject *py_uwsgi_sharedarea_write32(PyObject * self, PyObject * args) {
         int id;
         uint64_t pos = 0;
@@ -2569,6 +2635,9 @@ static PyMethodDef uwsgi_sa_methods[] = {
 	{"sharedarea_write16", py_uwsgi_sharedarea_write16, METH_VARARGS, ""},
 	{"sharedarea_inclong", py_uwsgi_sharedarea_inc64, METH_VARARGS, ""},
 	{"sharedarea_inc64", py_uwsgi_sharedarea_inc64, METH_VARARGS, ""},
+	{"sharedarea_inc32", py_uwsgi_sharedarea_inc32, METH_VARARGS, ""},
+	{"sharedarea_dec64", py_uwsgi_sharedarea_dec64, METH_VARARGS, ""},
+	{"sharedarea_dec32", py_uwsgi_sharedarea_dec32, METH_VARARGS, ""},
 	{"sharedarea_rlock", py_uwsgi_sharedarea_rlock, METH_VARARGS, ""},
 	{"sharedarea_wlock", py_uwsgi_sharedarea_wlock, METH_VARARGS, ""},
 	{"sharedarea_unlock", py_uwsgi_sharedarea_unlock, METH_VARARGS, ""},

plugins/rsyslog/rsyslog_plugin.c

@@ -31,7 +31,12 @@ ssize_t uwsgi_rsyslog_logger(struct uwsgi_logger *ul, char *message, size_t len)
 			exit(1);
 		}
 
-                ul->fd = socket(AF_INET, SOCK_DGRAM, 0);
+		if (ul->arg[0] == '/') {
+                	ul->fd = socket(AF_UNIX, SOCK_DGRAM, 0);
+		}
+		else {
+                	ul->fd = socket(AF_INET, SOCK_DGRAM, 0);
+		}
                 if (ul->fd < 0) {
 			uwsgi_error_safe("socket()");
 			exit(1);
@@ -62,7 +67,12 @@ ssize_t uwsgi_rsyslog_logger(struct uwsgi_logger *ul, char *message, size_t len)
 			*port = 0;
 		}
 
-		ul->addr_len = socket_to_in_addr(ul->arg, NULL, portn, &ul->addr.sa_in);
+		if (ul->arg[0] == '/') {
+			ul->addr_len = socket_to_un_addr(ul->arg, &ul->addr.sa_un);
+		}
+		else {
+			ul->addr_len = socket_to_in_addr(ul->arg, NULL, portn, &ul->addr.sa_in);
+		}
 
 		if (port) *port = ':';
 		if (comma) *comma = ',';

plugins/transformation_gzip/gzip.c

@@ -24,7 +24,7 @@ static int transform_gzip(struct wsgi_request *wsgi_req, struct uwsgi_transforma
 	struct uwsgi_buffer *ub = ut->chunk;
 
 	if (ut->is_final) {
-		if (uwsgi_gzip_fix(&utgz->z, utgz->crc32, ub, utgz->len)) {
+		if (utgz->len > 0 && uwsgi_gzip_fix(&utgz->z, utgz->crc32, ub, utgz->len)) {
 			free(utgz);
 			return -1;
 		}
@@ -32,6 +32,11 @@ static int transform_gzip(struct wsgi_request *wsgi_req, struct uwsgi_transforma
 		return 0;
 	}
 
+	if (ub->pos == 0) {
+		// Don't try to compress empty responses.
+		return 0;
+	}
+
 	size_t dlen = 0;
 	char *gzipped = uwsgi_gzip_chunk(&utgz->z, &utgz->crc32, ub->buf, ub->pos, &dlen);
 	if (!gzipped) return -1;
@@ -39,7 +44,7 @@ static int transform_gzip(struct wsgi_request *wsgi_req, struct uwsgi_transforma
 	uwsgi_buffer_map(ub, gzipped, dlen);
 	if (!utgz->header) {
 		// do not check for errors !!!
-        	uwsgi_response_add_header(wsgi_req, "Content-Encoding", 16, "gzip", 4);
+		uwsgi_response_add_header(wsgi_req, "Content-Encoding", 16, "gzip", 4);
 		utgz->header = 1;
 		if (uwsgi_buffer_insert(ub, 0, gzheader, 10)) {
 			return -1;
@@ -59,7 +64,7 @@ static int uwsgi_routing_func_gzip(struct wsgi_request *wsgi_req, struct uwsgi_r
 	ut->can_stream = 1;
 	// this is the trasformation clearing the memory
 	ut = uwsgi_add_transformation(wsgi_req, transform_gzip, utgz);
-        ut->is_final = 1;
+	ut->is_final = 1;
 	return UWSGI_ROUTE_NEXT;
 }
 

t/python/forcecl.py

@@ -0,0 +1,4 @@
+# uwsgi --route-run remheader:Content-Length --route-run forcecl: --wsgi-file t/python/forcecl.py --http-socket :9090
+def application(e, sr):
+    sr('200 OK', [('Content-Length', '1'), ('Content-Length', '2')])
+    return ['xxx']

t/sharedarea/bigranges.ini

@@ -0,0 +1,6 @@
+[uwsgi]
+socket = /tmp/foo
+
+sharedarea = size=4300000000
+
+pyrun = t/sharedarea/%n.py

t/sharedarea/bigranges.py

@@ -0,0 +1,16 @@
+import uwsgi
+import unittest
+
+class SharedareaTest(unittest.TestCase):
+
+    def test_32(self):
+        pos = 2L * (1024L ** 3)
+        uwsgi.sharedarea_write32(0, pos, 17)
+        self.assertEqual(uwsgi.sharedarea_read32(0, pos), 17)
+
+    def test_64(self):
+        pos = 2L * (1024L ** 3)
+        uwsgi.sharedarea_write64(0, pos, 30)
+        self.assertEqual(uwsgi.sharedarea_read64(0, pos), 30)
+
+unittest.main()

t/sharedarea/sharedarea_incdec.ini

@@ -0,0 +1,6 @@
+[uwsgi]
+socket = /tmp/foo
+
+sharedarea = size=64
+
+pyrun = t/sharedarea/%n.py

t/sharedarea/sharedarea_incdec.py

@@ -0,0 +1,34 @@
+import uwsgi
+import unittest
+
+class SharedareaTest(unittest.TestCase):
+
+    def setUp(self):
+        uwsgi.sharedarea_write(0, 0, '\0' * 64)
+
+    def test_32(self):
+        uwsgi.sharedarea_write32(0, 0, 17)
+        self.assertEqual(uwsgi.sharedarea_read32(0, 0), 17)
+
+    def test_inc32(self):
+        uwsgi.sharedarea_write32(0, 4, 30)
+        uwsgi.sharedarea_inc32(0, 4, 3)
+        self.assertEqual(uwsgi.sharedarea_read32(0, 4), 33)
+
+    def test_dec32(self):
+        uwsgi.sharedarea_write32(0, 5, 30)
+        uwsgi.sharedarea_dec32(0, 5, 4)
+        self.assertEqual(uwsgi.sharedarea_read32(0, 5), 26)
+
+    def test_inc64(self):
+        uwsgi.sharedarea_write64(0, 8, 17 * (1024 ** 5))
+        uwsgi.sharedarea_inc64(0, 8, 1)
+        self.assertEqual(uwsgi.sharedarea_read64(0, 8), 17 * (1024 ** 5) + 1)
+
+    def test_dec64(self):
+        uwsgi.sharedarea_write64(0, 8, 30 * (1024 ** 5))
+        uwsgi.sharedarea_dec64(0, 8, 30 * (1024 ** 5) - 1)
+        self.assertEqual(uwsgi.sharedarea_read64(0, 8), 1)
+    
+
+unittest.main()

uwsgi.gemspec

@@ -2,7 +2,7 @@ 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        = '2014-12-30'
+  s.date        = '2015-07-01'
   s.summary     = "uWSGI"
   s.description = "The uWSGI server for Ruby/Rack"
   s.authors     = ["Unbit"]

uwsgi.h

@@ -2757,6 +2757,14 @@ struct uwsgi_server {
 	char *subscribe_with_modifier1;
 	struct uwsgi_string_list *pull_headers;
 
+	// uWSGI 2.0.10
+	struct uwsgi_string_list *emperor_wrapper_override;
+	struct uwsgi_string_list *emperor_wrapper_fallback;
+
+	// uWSGI 2.0.11
+	struct uwsgi_string_list *wait_for_socket;
+	int wait_for_socket_timeout;
+	int mem_collector_freq;
 };
 
 struct uwsgi_rpc {
@@ -3466,6 +3474,7 @@ struct uwsgi_socket *uwsgi_new_shared_socket(char *);
 struct uwsgi_socket *uwsgi_del_socket(struct uwsgi_socket *);
 
 void uwsgi_close_all_sockets(void);
+void uwsgi_close_all_unshared_sockets(void);
 
 struct uwsgi_string_list *uwsgi_string_new_list(struct uwsgi_string_list **, char *);
 #ifdef UWSGI_PCRE
@@ -4849,6 +4858,7 @@ void vassal_sos();
 
 int uwsgi_wait_for_fs(char *, int);
 int uwsgi_wait_for_mountpoint(char *);
+int uwsgi_wait_for_socket(char *);
 
 #ifdef __cplusplus
 }

uwsgiconfig.py

@@ -1,6 +1,6 @@
 # uWSGI build system
 
-uwsgi_version = '2.0.9'
+uwsgi_version = '2.0.11'
 
 import os
 import re
@@ -689,8 +689,13 @@ class uConf(object):
             print("detected include path: %s" % self.include_path)
 
         try:
-            gcc_major = int(gcc_version.split('.')[0])
-            gcc_minor = int(gcc_version.split('.')[1])
+            gcc_version_components = gcc_version.split('.')
+            gcc_major = int(gcc_version_components[0])
+            if len(gcc_version_components) > 1:
+                gcc_minor = int(gcc_version_components[1])
+            else:
+                # gcc 5.0 is represented as simply "5"
+                gcc_minor = 0
         except:
             raise Exception("you need a C compiler to build uWSGI")
         if (sys.version_info[0] == 2) or (gcc_major < 4) or (gcc_major == 4 and gcc_minor < 3):
@@ -698,7 +703,7 @@ class uConf(object):
         # add -fno-strict-aliasing only on python2 and gcc < 4.3
         if gcc_major >= 4:
             self.cflags = self.cflags + [ '-Wextra', '-Wno-unused-parameter', '-Wno-missing-field-initializers' ]
-        if (gcc_major == 4 and gcc_minor >= 8) or gcc_major > 4:
+        if gcc_major == 4 and gcc_minor < 9:
             self.cflags.append('-Wno-format -Wno-format-security')
 
         self.ldflags = os.environ.get("LDFLAGS", "").split()
@@ -768,7 +773,7 @@ class uConf(object):
 
         if 'UWSGI_PROFILE_OVERRIDE' in os.environ:
             for item in os.environ['UWSGI_PROFILE_OVERRIDE'].split(';'):
-                k,v = item.split('=', 2)
+                k,v = item.split('=', 1)
                 self.set(k, v)
 
         if 'UWSGI_AS_LIB' in os.environ: