1.9.18.1

Still need to loop again when EAGAIN after a read triggered by an event, Fixes #363

LICENSE

@@ -1,3 +1,19 @@
+----------------------------------------------------------------------
+
+LINKING EXCEPTION
+
+ In addition to the permissions in the GNU General Public License,
+ the authors give you unlimited permission to link the compiled
+ version of this library into combinations with other programs,
+ and to distribute those combinations without any restriction
+ coming from the use of this file. (The General Public License
+ restrictions do apply in other respects; for example, they cover
+ modification of the file, and distribution when not linked into
+ a combined executable.)
+
+----------------------------------------------------------------------
+
+
 		    GNU GENERAL PUBLIC LICENSE
 		       Version 2, June 1991
 

attach.py

@@ -7,7 +7,7 @@ filename = sys.argv[1]
 size = os.path.getsize(filename)
 
 f = open(filename, 'r')
-print(f.read())
+os.write(1, f.read())
 f.close()
 
-print(struct.pack("<Q", size))
+os.write(1, (struct.pack("<Q", size)))

buildconf/minimal.ini

@@ -0,0 +1,33 @@
+[uwsgi]
+xml = false
+yaml = false
+json = false
+zeromq = false
+ssl = false
+pcre = false
+routing = false
+matheval = false
+debug = false
+unbit = false
+xml_implementation = none
+yaml_implementation = none
+malloc_implementation = libc
+extras =
+plugins =
+bin_name = uwsgi
+append_version =
+plugin_dir = .
+embedded_plugins = %(main_plugin)s
+as_shared_library = false
+
+locking = auto
+event = auto
+timer = auto
+filemonitor = auto
+
+blacklist =
+whitelist =
+
+embed_files =
+
+embed_config =

buildconf/plonly.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = psgi
+inherit = minimal

buildconf/pyonly.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = python
+inherit = minimal

buildconf/pypyonly.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = pypy
+inherit = minimal

buildconf/rbonly.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = rack
+inherit = minimal

core/cache.c

@@ -7,7 +7,7 @@ extern struct uwsgi_server uwsgi;
 
 /* how the cache bitmap works:
 
-	a bitmap is a shared mempry area allocated when requested by the user with --cache2
+	a bitmap is a shared memory area allocated when requested by the user with --cache2
 
 	Each block maps to a bit in the bitmap. If the corresponding bit is cleared
 	the block is usable otherwise the block scanner will search for the next one.
@@ -325,7 +325,7 @@ void uwsgi_cache_init(struct uwsgi_cache *uc) {
 			exit(1);
 		}
 		uc->items = (struct uwsgi_cache_item *) mmap(NULL, uc->filesize, PROT_READ | PROT_WRITE, MAP_SHARED, cache_fd, 0);
-		if (!uc->items) {
+		if (uc->items == MAP_FAILED) {
 			uwsgi_error("uwsgi_cache_init()/mmap() [with store]");
 			exit(1);
 		}
@@ -335,7 +335,7 @@ void uwsgi_cache_init(struct uwsgi_cache *uc) {
 	}
 	else {
 		uc->items = (struct uwsgi_cache_item *) mmap(NULL, uc->filesize, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
-		if (!uc->items) {
+		if (uc->items == MAP_FAILED) {
 			uwsgi_error("uwsgi_cache_init()/mmap()");
 			exit(1);
 		}
@@ -773,7 +773,7 @@ int uwsgi_cache_set2(struct uwsgi_cache *uc, char *key, uint16_t keylen, char *v
 			cache_unmark_blocks(uc, uci->first_block, uci->valsize);
 		}
 		if ( !(flags & UWSGI_CACHE_FLAG_MATH)) {
-			memcpy(uc->data + (uci->first_block * uc->blocksize), val, vallen);
+			memcpy(((char *) uc->data) + (uci->first_block * uc->blocksize), val, vallen);
 		}
 		else {
 			int64_t *num = (int64_t *)(((char *) uc->data) + (uci->first_block * uc->blocksize));

core/config.c

@@ -293,8 +293,25 @@ int uwsgi_count_options(struct uwsgi_option *uopt) {
         return count;
 }
 
+int uwsgi_opt_exists(char *name) {
+	struct uwsgi_option *op = uwsgi.options;
+	while (op->name) {
+		if (!strcmp(name, op->name)) return 1;
+		op++;
+	}
+	return 0;	
+}
+
+/*
+	avoid loops here !!!
+*/
 struct uwsgi_option *uwsgi_opt_get(char *name) {
-        struct uwsgi_option *op = uwsgi.options;
+        struct uwsgi_option *op;
+	int round = 0;
+retry:
+	round++;
+	if (round > 2) goto end;
+	op = uwsgi.options;
 
         while (op->name) {
                 if (!strcmp(name, op->name)) {
@@ -303,10 +320,26 @@ struct uwsgi_option *uwsgi_opt_get(char *name) {
                 op++;
         }
 
+	if (uwsgi.autoload) {
+		if (uwsgi_try_autoload(name)) goto retry;
+	}
+
+end:
+	if (uwsgi.strict) {
+                uwsgi_log("[strict-mode] unknown config directive: %s\n", name);
+                exit(1);
+        }
+
         return NULL;
 }
 
+
+
 void add_exported_option(char *key, char *value, int configured) {
+	add_exported_option_do(key, value, configured, 0);
+}
+
+void add_exported_option_do(char *key, char *value, int configured, int placeholder_only) {
 
 	struct uwsgi_string_list *blacklist = uwsgi.blacklist;
 	struct uwsgi_string_list *whitelist = uwsgi.whitelist;
@@ -394,6 +427,15 @@ add:
 	uwsgi.exported_opts_cnt++;
 	uwsgi.dirty_config = 1;
 
+	if (placeholder_only) {
+		if (uwsgi_opt_exists(key)) {
+			uwsgi_log("you cannot use %s as a placeholder, it is already available as an option\n");
+			exit(1);
+		}
+		uwsgi.exported_opts[id]->configured = 1;
+		return;
+	}
+
 	struct uwsgi_option *op = uwsgi_opt_get(key);
 	if (op) {
 		// requires master ?
@@ -457,11 +499,6 @@ add:
 			uwsgi.exported_opts[id]->configured = 1;
 		}
 	}
-	else if (uwsgi.strict) {
-		uwsgi_log("[strict-mode] unknown config directive: %s\n", key);
-		exit(1);
-	}
-
 }
 
 void uwsgi_fallback_config() {
@@ -477,3 +514,118 @@ void uwsgi_fallback_config() {
         	// never here
 	}
 }
+
+int uwsgi_manage_opt(char *key, char *value) {
+
+        struct uwsgi_option *op = uwsgi_opt_get(key);
+	if (op) {
+        	op->func(key, value, op->data);
+                return 1;
+        }
+        return 0;
+
+}
+
+void uwsgi_configure() {
+
+        int i;
+
+        // and now apply the remaining configs
+restart:
+        for (i = 0; i < uwsgi.exported_opts_cnt; i++) {
+                if (uwsgi.exported_opts[i]->configured)
+                        continue;
+                uwsgi.dirty_config = 0;
+                uwsgi.exported_opts[i]->configured = uwsgi_manage_opt(uwsgi.exported_opts[i]->key, uwsgi.exported_opts[i]->value);
+		// some option could cause a dirty config tree
+                if (uwsgi.dirty_config)
+                        goto restart;
+        }
+
+}
+
+
+void uwsgi_opt_custom(char *key, char *value, void *data ) {
+        struct uwsgi_custom_option *uco = (struct uwsgi_custom_option *)data;
+        size_t i, count = 1;
+        size_t value_len = 0;
+        if (value)
+                value_len = strlen(value);
+        off_t pos = 0;
+        char **opt_argv;
+        char *tmp_val = NULL, *p = NULL;
+
+        // now count the number of args
+        for (i = 0; i < value_len; i++) {
+                if (value[i] == ' ') {
+                        count++;
+                }
+        }
+
+        // allocate a tmp array
+        opt_argv = uwsgi_calloc(sizeof(char *) * count);
+        //make a copy of the value;
+        if (value_len > 0) {
+                tmp_val = uwsgi_str(value);
+                // fill the array of options
+                char *p, *ctx = NULL;
+                uwsgi_foreach_token(tmp_val, " ", p, ctx) {
+                        opt_argv[pos] = p;
+                        pos++;
+                }
+        }
+        else {
+                // no argument specified
+                opt_argv[0] = "";
+        }
+
+#ifdef UWSGI_DEBUG
+        uwsgi_log("found custom option %s with %d args\n", key, count);
+#endif
+
+        // now make a copy of the option template
+        char *tmp_opt = uwsgi_str(uco->value);
+        // split it
+        char *ctx = NULL;
+        uwsgi_foreach_token(tmp_opt, ";", p, ctx) {
+                char *equal = strchr(p, '=');
+                if (!equal)
+                        goto clear;
+                *equal = '\0';
+
+                // build the key
+                char *new_key = uwsgi_str(p);
+                for (i = 0; i < count; i++) {
+                        char *old_key = new_key;
+                        char *tmp_num = uwsgi_num2str(i + 1);
+                        char *placeholder = uwsgi_concat2((char *) "$", tmp_num);
+                        free(tmp_num);
+                        new_key = uwsgi_substitute(old_key, placeholder, opt_argv[i]);
+                        if (new_key != old_key)
+                                free(old_key);
+                        free(placeholder);
+                }
+
+                // build the value
+                char *new_value = uwsgi_str(equal + 1);
+                for (i = 0; i < count; i++) {
+                        char *old_value = new_value;
+                        char *tmp_num = uwsgi_num2str(i + 1);
+                        char *placeholder = uwsgi_concat2((char *) "$", tmp_num);
+                        free(tmp_num);
+                        new_value = uwsgi_substitute(old_value, placeholder, opt_argv[i]);
+                        if (new_value != old_value)
+                                free(old_value);
+                        free(placeholder);
+                }
+                // ignore return value here
+                uwsgi_manage_opt(new_key, new_value);
+        }
+
+clear:
+        free(tmp_val);
+        free(tmp_opt);
+        free(opt_argv);
+
+}
+

core/daemons.c

@@ -139,6 +139,10 @@ int uwsgi_daemon_check_pid_reload(pid_t diedpid) {
 		}
 #endif
 		if (ud->pid == diedpid && !ud->pidfile) {
+			if (ud->control) {
+				gracefully_kill_them_all(0);
+				return 0;
+			}
 			uwsgi_spawn_daemon(ud);
 			return 1;
 		}
@@ -231,9 +235,11 @@ void uwsgi_detach_daemons() {
 			// try to gracefully stop daemon, kill it if it won't die
 			// if mercy is not set than wait up to 3 seconds
 			time_t timeout = uwsgi_now() + (uwsgi.reload_mercy ? uwsgi.reload_mercy : 3);
+			int waitpid_status;
 			while (!kill(ud->pid, 0)) {
 				kill(-ud->pid, SIGTERM);
 				sleep(1);
+				waitpid(-ud->pid, &waitpid_status, WNOHANG);
 				if (uwsgi_now() >= timeout) {
 					uwsgi_log("[uwsgi-daemons] daemon did not died in time, killing (pid: %d): %s\n", (int) ud->pid, ud->command);
 					kill(-ud->pid, SIGKILL);
@@ -253,7 +259,6 @@ void uwsgi_spawn_daemon(struct uwsgi_daemon *ud) {
 	// skip unregistered daemons
 	if (!ud->registered) return;
 
-	int devnull = -1;
 	int throttle = 0;
 
 	if (uwsgi.current_time - ud->last_spawn <= 3) {
@@ -299,18 +304,7 @@ void uwsgi_spawn_daemon(struct uwsgi_daemon *ud) {
 
 		if (!uwsgi.daemons_honour_stdin) {
 			// /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);
-			}
+			uwsgi_remap_fd(0, "/dev/null");
 		}
 
 		if (setsid() < 0) {
@@ -412,6 +406,10 @@ void uwsgi_opt_add_daemon(char *opt, char *value, void *none) {
 	uwsgi_ud->last_spawn = 0;
 	uwsgi_ud->daemonize = daemonize;
 	uwsgi_ud->pidfile = pidfile;
+	uwsgi_ud->control = 0;
+	if (!strcmp(opt, "attach-control-daemon")) {
+		uwsgi_ud->control = 1;
+	}
 #ifdef UWSGI_SSL
 	uwsgi_ud->legion = legion;
 #endif

core/emperor.c

@@ -339,8 +339,13 @@ void uwsgi_imperial_monitor_glob(struct uwsgi_emperor_scanner *ues) {
 	struct stat st;
 	struct uwsgi_instance *ui_current;
 
+	if (chdir(uwsgi.cwd)) {
+		uwsgi_error("uwsgi_imperial_monitor_glob()/chdir()");
+		exit(1);
+	}
+
 	if (glob(ues->arg, GLOB_MARK | GLOB_NOCHECK, NULL, &g)) {
-		uwsgi_error("glob()");
+		uwsgi_error("uwsgi_imperial_monitor_glob()/glob()");
 		return;
 	}
 
@@ -617,6 +622,7 @@ void emperor_del(struct uwsgi_instance *c_ui) {
 }
 
 void emperor_stop(struct uwsgi_instance *c_ui) {
+	if (c_ui->status == 1) return;
 	// remove uWSGI instance
 
 	if (write(c_ui->pipe[0], "\0", 1) != 1) {
@@ -624,10 +630,23 @@ void emperor_stop(struct uwsgi_instance *c_ui) {
 	}
 
 	c_ui->status = 1;
+	c_ui->cursed_at = uwsgi_now();
 
 	uwsgi_log("[emperor] stop the uwsgi instance %s\n", c_ui->name);
 }
 
+void emperor_curse(struct uwsgi_instance *c_ui) {
+	if (c_ui->status == 1) return;
+        // curse uWSGI instance
+
+        c_ui->status = 1;
+        c_ui->cursed_at = uwsgi_now();
+
+        uwsgi_log("[emperor] curse the uwsgi instance %s (pid: %d)\n", c_ui->name, (int) c_ui->pid);
+
+}
+
+
 void emperor_respawn(struct uwsgi_instance *c_ui, time_t mod) {
 
 	struct uwsgi_header uh;
@@ -817,7 +836,7 @@ int uwsgi_emperor_vassal_start(struct uwsgi_instance *n_ui) {
 	// TODO pre-start hook
 
 	// a new uWSGI instance will start 
-#if defined(__linux__) && !defined(OBSOLETE_LINUX_KERNEL)
+#if defined(__linux__) && !defined(OBSOLETE_LINUX_KERNEL) && !defined(__ia64__)
 	if (uwsgi.emperor_clone) {
 		char stack[PTHREAD_STACK_MIN];
 		pid = clone((int (*)(void *))uwsgi_emperor_spawn_vassal, stack + PTHREAD_STACK_MIN, SIGCHLD | uwsgi.emperor_clone, (void *) n_ui);
@@ -825,7 +844,7 @@ int uwsgi_emperor_vassal_start(struct uwsgi_instance *n_ui) {
 	else {
 #endif
 	pid = fork();
-#if defined(__linux__) && !defined(OBSOLETE_LINUX_KERNEL)
+#if defined(__linux__) && !defined(OBSOLETE_LINUX_KERNEL) && !defined(__ia64__)
 	}
 #endif
 	if (pid < 0) {
@@ -940,6 +959,59 @@ int uwsgi_emperor_vassal_start(struct uwsgi_instance *n_ui) {
 
 static void uwsgi_emperor_spawn_vassal(struct uwsgi_instance *n_ui) {
 
+
+#ifdef __linux__
+        if (prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0)) {
+                uwsgi_error("prctl()");
+        }
+#ifdef CLONE_NEWUSER
+	if (uwsgi.emperor_clone & CLONE_NEWUSER) {
+		if (setuid(0)) {
+			uwsgi_error("uwsgi_emperor_spawn_vassal()/setuid(0)");
+			exit(1);
+		}
+	}
+#endif
+
+#ifdef UWSGI_CAP
+        if (uwsgi.emperor_cap && uwsgi.emperor_cap_count > 0) {
+		int i;
+		for(i=0;i<=CAP_LAST_CAP;i++) {
+			
+			int has_cap = prctl(PR_CAPBSET_READ, i, 0, 0, 0);
+			if (has_cap == 1) {
+				if (i == CAP_SETPCAP) continue;
+				int j;int found = 0;
+				for(j=0;j<uwsgi.emperor_cap_count;j++) {
+					if (uwsgi.emperor_cap[j] == (int) i) {
+						found = 1; break;
+					}
+				}
+				if (found) continue;
+				if (prctl(PR_CAPBSET_DROP, i, 0, 0, 0)) {
+					uwsgi_error("uwsgi_emperor_spawn_vassal()/prctl()");
+					uwsgi_log_verbose("unable to drop capability %lu\n", i);
+					exit(1);
+				}
+			}
+		}
+		// just for being paranoid
+#ifdef SECBIT_KEEP_CAPS
+                if (prctl(SECBIT_KEEP_CAPS, 1, 0, 0, 0) < 0) {
+                        uwsgi_error("prctl()");
+                        exit(1);
+                }
+#else
+                if (prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0) < 0) {
+                        uwsgi_error("prctl()");
+                        exit(1);
+                }
+#endif
+		uwsgi_log("capabilities applied for vassal %s (pid: %d)\n", n_ui->name, (int) getpid());
+        }
+#endif
+#endif
+
 		if (uwsgi.emperor_tyrant) {
 			uwsgi_log("[emperor-tyrant] dropping privileges to %d %d for instance %s\n", (int) n_ui->uid, (int) n_ui->gid, n_ui->name);
 			if (setgid(n_ui->gid)) {
@@ -1025,24 +1097,32 @@ static void uwsgi_emperor_spawn_vassal(struct uwsgi_instance *n_ui) {
 		}
 
 		int counter = 4;
-		struct uwsgi_string_list *uct = uwsgi.vassals_templates;
-		while (uct) {
-			counter += 2;
-			uct = uct->next;
-		}
-
-		uct = uwsgi.vassals_includes;
-                while (uct) {
-                        counter += 2;
-                        uct = uct->next;
-                }
+		struct uwsgi_string_list *uct;
+		uwsgi_foreach(uct, uwsgi.vassals_templates_before) counter += 2;
+		uwsgi_foreach(uct, uwsgi.vassals_includes_before) counter += 2;
+		uwsgi_foreach(uct, uwsgi.vassals_templates) counter += 2;
+		uwsgi_foreach(uct, uwsgi.vassals_includes) counter += 2;
 
 		char **vassal_argv = uwsgi_malloc(sizeof(char *) * counter);
 		// set args
-		vassal_argv[0] = uwsgi.binary_path;
+		vassal_argv[0] = uwsgi.emperor_wrapper ? uwsgi.emperor_wrapper: uwsgi.binary_path;
+
+		// reset counter
+		counter = 1;
+
+		uwsgi_foreach(uct, uwsgi.vassals_templates_before) {
+			vassal_argv[counter] = "--inherit";
+			vassal_argv[counter + 1] = uct->value;
+			counter += 2;
+		}
+
+                uwsgi_foreach (uct,  uwsgi.vassals_includes_before) {
+                        vassal_argv[counter] = "--include";
+                        vassal_argv[counter + 1] = uct->value;
+                        counter += 2;
+                }
 
 		char *colon = NULL;
-
 		if (uwsgi.emperor_broodlord) {
 			colon = strchr(n_ui->name, ':');
 			if (colon) {
@@ -1050,62 +1130,58 @@ static void uwsgi_emperor_spawn_vassal(struct uwsgi_instance *n_ui) {
 			}
 		}
 		// initialize to a default value
-		vassal_argv[1] = "--inherit";
+		vassal_argv[counter] = "--inherit";
 
 		if (!strcmp(n_ui->name + (strlen(n_ui->name) - 4), ".xml"))
-			vassal_argv[1] = "--xml";
+			vassal_argv[counter] = "--xml";
 		if (!strcmp(n_ui->name + (strlen(n_ui->name) - 4), ".ini"))
-			vassal_argv[1] = "--ini";
+			vassal_argv[counter] = "--ini";
 		if (!strcmp(n_ui->name + (strlen(n_ui->name) - 4), ".yml"))
-			vassal_argv[1] = "--yaml";
+			vassal_argv[counter] = "--yaml";
 		if (!strcmp(n_ui->name + (strlen(n_ui->name) - 5), ".yaml"))
-			vassal_argv[1] = "--yaml";
+			vassal_argv[counter] = "--yaml";
 		if (!strcmp(n_ui->name + (strlen(n_ui->name) - 3), ".js"))
-			vassal_argv[1] = "--json";
+			vassal_argv[counter] = "--json";
 		if (!strcmp(n_ui->name + (strlen(n_ui->name) - 5), ".json"))
-			vassal_argv[1] = "--json";
-	
+			vassal_argv[counter] = "--json";
 		struct uwsgi_string_list *usl = uwsgi.emperor_extra_extension;
 		while(usl) {
 			if (uwsgi_endswith(n_ui->name, usl->value)) {
-				vassal_argv[1] = "--config";
+				vassal_argv[counter] = "--config";
 				break;
 			}
 			usl = usl->next;
 		}
+		if (colon) colon[0] = ':';
 
-		if (colon) {
-			colon[0] = ':';
-		}
+		// start config filename...
+		counter++;
 
-
-		vassal_argv[2] = n_ui->name;
+		vassal_argv[counter] = n_ui->name;
 		if (uwsgi.emperor_magic_exec) {
 			if (!access(n_ui->name, R_OK | X_OK)) {
-				vassal_argv[2] = uwsgi_concat2("exec://", n_ui->name);
+				vassal_argv[counter] = uwsgi_concat2("exec://", n_ui->name);
 			}
 
 		}
 
 		if (n_ui->use_config) {
-			vassal_argv[2] = uwsgi_concat2("emperor://", n_ui->name);
+			vassal_argv[counter] = uwsgi_concat2("emperor://", n_ui->name);
 		}
 
-		counter = 3;
-		uct = uwsgi.vassals_templates;
-		while (uct) {
+		// start templates,includes,inherit...
+		counter++;
+
+		uwsgi_foreach(uct, uwsgi.vassals_templates) {
 			vassal_argv[counter] = "--inherit";
 			vassal_argv[counter + 1] = uct->value;
 			counter += 2;
-			uct = uct->next;
 		}
 
-		uct = uwsgi.vassals_includes;
-                while (uct) {
+                uwsgi_foreach (uct,  uwsgi.vassals_includes) {
                         vassal_argv[counter] = "--include";
                         vassal_argv[counter + 1] = uct->value;
                         counter += 2;
-                        uct = uct->next;
                 }
 
 		vassal_argv[counter] = NULL;
@@ -1121,18 +1197,7 @@ static void uwsgi_emperor_spawn_vassal(struct uwsgi_instance *n_ui) {
 			}
 		}
 		else {
-			int stdin_fd = open("/dev/null", O_RDONLY);
-			if (stdin_fd < 0) {
-				uwsgi_error_open("/dev/null");
-				exit(1);
-			}
-			if (stdin_fd != 0) {
-				if (dup2(stdin_fd, 0) < 0) {
-					uwsgi_error("dup2()");
-					exit(1);
-				}
-				close(stdin_fd);
-			}
+			uwsgi_remap_fd(0, "/dev/null");
 		}
 
 		// close all of the unneded fd
@@ -1471,7 +1536,8 @@ void emperor_loop() {
 				ssize_t rlen = read(interesting_fd, &byte, 1);
 				if (rlen <= 0) {
 					// SAFE
-					emperor_del(ui_current);
+					event_queue_del_fd(uwsgi.emperor_queue, interesting_fd, event_queue_read());
+					emperor_curse(ui_current);
 				}
 				else {
 					if (byte == 17) {
@@ -1577,14 +1643,8 @@ void emperor_loop() {
 		ui_current = ui;
 		while (ui_current->ui_next) {
 			ui_current = ui_current->ui_next;
-			if (ui_current->status == 1) {
-				if (ui_current->config)
-					free(ui_current->config);
-				// SAFE
-				emperor_del(ui_current);
-				break;
-			}
-			else if (ui_current->pid == diedpid) {
+			time_t now = uwsgi_now();
+			if (ui_current->pid == diedpid) {
 				if (ui_current->status == 0) {
 					// respawn an accidentally dead instance if its exit code is not UWSGI_EXILE_CODE
 					if (WIFEXITED(waitpid_status) && WEXITSTATUS(waitpid_status) == UWSGI_EXILE_CODE) {
@@ -1607,6 +1667,13 @@ void emperor_loop() {
 					break;
 				}
 			}
+			else if (ui_current->cursed_at > 0 && now - ui_current->cursed_at >= uwsgi.emperor_curse_tolerance) {
+				ui_current->cursed_at = now;
+				if (kill(ui_current->pid, SIGKILL)) {
+					uwsgi_error("[emperor] kill");
+				}
+				break;
+			}
 		}
 
 
@@ -1703,6 +1770,8 @@ void emperor_send_stats(int fd) {
 			goto end0;
 		if (uwsgi_stats_keylong_comma(us, "last_run", (unsigned long long) c_ui->last_run))
 			goto end0;
+		if (uwsgi_stats_keylong_comma(us, "cursed", (unsigned long long) c_ui->cursed_at))
+			goto end0;
 		if (uwsgi_stats_keylong_comma(us, "zerg", (unsigned long long) c_ui->zerg))
 			goto end0;
 
@@ -1846,6 +1915,46 @@ void uwsgi_emperor_start() {
 }
 
 void uwsgi_check_emperor() {
+	char *emperor_fd_pass = getenv("UWSGI_EMPEROR_PROXY");
+	if (emperor_fd_pass) {
+		for(;;) {
+			int proxy_fd = uwsgi_connect(emperor_fd_pass, 30, 0);
+			if (proxy_fd < 0) {
+				uwsgi_error("uwsgi_check_emperor()/uwsgi_connect()");
+				sleep(1);
+				continue;
+			}
+			int count = 2;
+			int *fds = uwsgi_attach_fd(proxy_fd, &count, "uwsgi-emperor", 13);
+			if (fds && count > 0) {
+				char *env_emperor_fd = uwsgi_num2str(fds[0]);
+				if (setenv("UWSGI_EMPEROR_FD", env_emperor_fd, 1)) {
+					uwsgi_error("uwsgi_check_emperor()/setenv(UWSGI_EMPEROR_FD)");
+					free(env_emperor_fd);
+					int i; for(i=0;i<count;i++) close(fds[i]);
+					goto next;	
+				}
+				free(env_emperor_fd);
+				if (count > 1) {
+					char *env_emperor_fd_config = uwsgi_num2str(fds[1]);
+					if (setenv("UWSGI_EMPEROR_FD_CONFIG", env_emperor_fd_config, 1)) {
+						uwsgi_error("uwsgi_check_emperor()/setenv(UWSGI_EMPEROR_FD_CONFIG)");
+						free(env_emperor_fd_config);
+						int i; for(i=0;i<count;i++) close(fds[i]);
+						goto next;	
+					}
+					free(env_emperor_fd_config);
+				}
+				break;
+			}
+next:
+			if (fds) free(fds);
+			close(proxy_fd);
+			sleep(1);
+		}
+		unsetenv("UWSGI_EMPEROR_PROXY");
+	}
+
 	char *emperor_env = getenv("UWSGI_EMPEROR_FD");
 	if (emperor_env) {
 		uwsgi.has_emperor = 1;
@@ -1901,3 +2010,89 @@ void uwsgi_emperor_simple_do(struct uwsgi_emperor_scanner *ues, char *name, char
 		emperor_add(ues, name, ts, new_config, new_config_len, uid, gid, socket_name);
 	}
 }
+
+void uwsgi_master_manage_emperor() {
+        char byte;
+        ssize_t rlen = read(uwsgi.emperor_fd, &byte, 1);
+        if (rlen > 0) {
+                uwsgi_log_verbose("received message %d from emperor\n", byte);
+                // remove me
+                if (byte == 0) {
+                        close(uwsgi.emperor_fd);
+                        if (!uwsgi.status.brutally_reloading)
+                                kill_them_all(0);
+                }
+                // reload me
+                else if (byte == 1) {
+                        // un-lazy the stack to trigger a real reload
+                        uwsgi.lazy = 0;
+                        uwsgi_block_signal(SIGHUP);
+                        grace_them_all(0);
+                        uwsgi_unblock_signal(SIGHUP);
+                }
+        }
+        else {
+                uwsgi_log("lost connection with my emperor !!!\n");
+                close(uwsgi.emperor_fd);
+                if (!uwsgi.status.brutally_reloading)
+                        kill_them_all(0);
+                sleep(2);
+                exit(1);
+        }
+
+}
+
+void uwsgi_master_manage_emperor_proxy() {
+
+	struct sockaddr_un epsun;
+        socklen_t epsun_len = sizeof(struct sockaddr_un);
+
+        int ep_client = accept(uwsgi.emperor_fd_proxy, (struct sockaddr *) &epsun, &epsun_len);
+        if (ep_client < 0) {
+                uwsgi_error("uwsgi_master_manage_emperor_proxy()/accept()");
+                return;
+        }
+
+	int num_fds = 1;
+	if (uwsgi.emperor_fd_config > -1) num_fds++;
+
+        struct msghdr ep_msg;
+        void *ep_msg_control = uwsgi_malloc(CMSG_SPACE(sizeof(int) * num_fds));
+        struct iovec ep_iov[2];
+        struct cmsghdr *cmsg;
+
+        ep_iov[0].iov_base = "uwsgi-emperor";
+        ep_iov[0].iov_len = 13;
+        ep_iov[1].iov_base = &num_fds;
+        ep_iov[1].iov_len = sizeof(int);
+
+        ep_msg.msg_name = NULL;
+        ep_msg.msg_namelen = 0;
+
+        ep_msg.msg_iov = ep_iov;
+        ep_msg.msg_iovlen = 2;
+
+        ep_msg.msg_flags = 0;
+        ep_msg.msg_control = ep_msg_control;
+        ep_msg.msg_controllen = CMSG_SPACE(sizeof(int) * num_fds);
+
+        cmsg = CMSG_FIRSTHDR(&ep_msg);
+        cmsg->cmsg_len = CMSG_LEN(sizeof(int) * num_fds);
+        cmsg->cmsg_level = SOL_SOCKET;
+        cmsg->cmsg_type = SCM_RIGHTS;
+
+        unsigned char *ep_fd_ptr = CMSG_DATA(cmsg);
+
+        memcpy(ep_fd_ptr, &uwsgi.emperor_fd, sizeof(int));
+	if (num_fds > 1) {
+        	memcpy(ep_fd_ptr + sizeof(int), &uwsgi.emperor_fd_config, sizeof(int));
+	}
+
+        if (sendmsg(ep_client, &ep_msg, 0) < 0) {
+                uwsgi_error("uwsgi_master_manage_emperor_proxy()/sendmsg()");
+        }
+
+        free(ep_msg_control);
+
+        close(ep_client);
+}

core/gateway.c

@@ -70,6 +70,7 @@ void gateway_respawn(int id) {
 
 	if (gw_pid == 0) {
 		uwsgi_fixup_fds(0, 0, ug);
+		uwsgi_close_all_sockets();
 		if (uwsgi.master_as_root)
 			uwsgi_as_root();
 #ifdef __linux__

core/init.c

@@ -75,10 +75,12 @@ void uwsgi_init_default() {
 	uwsgi.original_log_fd = -1;
 
 	uwsgi.emperor_fd_config = -1;
+	uwsgi.emperor_fd_proxy = -1;
 	// default emperor scan frequency
 	uwsgi.emperor_freq = 3;
 	uwsgi.emperor_throttle = 1000;
 	uwsgi.emperor_heartbeat = 30;
+	uwsgi.emperor_curse_tolerance = 30;
 	// max 3 minutes throttling
 	uwsgi.emperor_max_throttle = 1000 * 180;
 	uwsgi.emperor_pid = -1;
@@ -176,6 +178,7 @@ void uwsgi_init_default() {
 	// clear reforked status
 	uwsgi.master_is_reforked = 0;
 
+	uwsgi.master_fifo_fd = -1;
 	uwsgi_master_fifo_prepare();
 }
 
@@ -463,7 +466,7 @@ void sanitize_args() {
 		uwsgi_log("enabling cheaper-rss-limit-hard requires setting also cheaper-rss-limit-soft\n");
 		exit(1);
 	}
-	if ( uwsgi.cheaper_rss_limit_soft && uwsgi.cheaper_rss_limit_hard <= uwsgi.cheaper_rss_limit_soft) {
+	if ( uwsgi.cheaper_rss_limit_hard && uwsgi.cheaper_rss_limit_hard <= uwsgi.cheaper_rss_limit_soft) {
 		uwsgi_log("cheaper-rss-limit-hard value must be higher than cheaper-rss-limit-soft value\n");
 		exit(1);
 	}

core/io.c

@@ -116,48 +116,31 @@ end:
 
 }
 
-/*
-	extremely complex function for reading resources (files, url...)
-	need a lot of refactoring...
-*/
-char *uwsgi_open_and_read(char *url, size_t *size, int add_zero, char *magic_table[]) {
+static char *uwsgi_scheme_fd(char *url, size_t *size, int add_zero) {
+	int fd = atoi(url);
+	return uwsgi_read_fd(fd, size, add_zero);
+}
 
-	int fd;
-	struct stat sb;
-	char *buffer = NULL;
+static char *uwsgi_scheme_exec(char *url, size_t *size, int add_zero) {
+	int cpipe[2];
+	if (pipe(cpipe)) {
+		uwsgi_error("pipe()");
+		exit(1);
+	}
+	uwsgi_run_command(url, NULL, cpipe[1]);
+	char *buffer = uwsgi_read_fd(cpipe[0], size, add_zero);
+	close(cpipe[0]);
+	close(cpipe[1]);
+	return buffer;
+}
+
+static char *uwsgi_scheme_http(char *url, size_t *size, int add_zero) {
 	char byte;
-	ssize_t len;
-	char *uri, *colon;
-	char *domain;
-	char *ip;
-	int body = 0;
-	char *magic_buf;
+        int body = 0;
+	char *buffer = NULL;
 
-	// stdin ?
-	if (!strcmp(url, "-")) {
-		buffer = uwsgi_read_fd(0, size, add_zero);
-	}
-	// fd ?
-	else if (!strncmp("fd://", url, 5)) {
-		fd = atoi(url + 5);
-		buffer = uwsgi_read_fd(fd, size, add_zero);
-	}
-	// exec ?
-	else if (!strncmp("exec://", url, 5)) {
-		int cpipe[2];
-		if (pipe(cpipe)) {
-			uwsgi_error("pipe()");
-			exit(1);
-		}
-		uwsgi_run_command(url + 7, NULL, cpipe[1]);
-		buffer = uwsgi_read_fd(cpipe[0], size, add_zero);
-		close(cpipe[0]);
-		close(cpipe[1]);
-	}
-	// http url ?
-	else if (!strncmp("http://", url, 7)) {
-		domain = url + 7;
-		uri = strchr(domain, '/');
+		char *domain = url;
+		char *uri = strchr(domain, '/');
 		if (!uri) {
 			uwsgi_log("invalid http url\n");
 			exit(1);
@@ -165,14 +148,14 @@ char *uwsgi_open_and_read(char *url, size_t *size, int add_zero, char *magic_tab
 		uri[0] = 0;
 		uwsgi_log("domain: %s\n", domain);
 
-		colon = uwsgi_get_last_char(domain, ':');
+		char *colon = uwsgi_get_last_char(domain, ':');
 
 		if (colon) {
 			colon[0] = 0;
 		}
 
 
-		ip = uwsgi_resolve_ip(domain);
+		char *ip = uwsgi_resolve_ip(domain);
 		if (!ip) {
 			uwsgi_log("unable to resolve address %s\n", domain);
 			exit(1);
@@ -186,9 +169,10 @@ char *uwsgi_open_and_read(char *url, size_t *size, int add_zero, char *magic_tab
 			ip = uwsgi_concat2(ip, ":80");
 		}
 
-		fd = uwsgi_connect(ip, 0, 0);
+		int fd = uwsgi_connect(ip, 0, 0);
 
 		if (fd < 0) {
+			uwsgi_error("uwsgi_scheme_http()/connect()");
 			exit(1);
 		}
 
@@ -196,18 +180,18 @@ char *uwsgi_open_and_read(char *url, size_t *size, int add_zero, char *magic_tab
 
 		uri[0] = '/';
 
-		len = write(fd, "GET ", 4);
-		len = write(fd, uri, strlen(uri));
-		len = write(fd, " HTTP/1.0\r\n", 11);
-		len = write(fd, "Host: ", 6);
+		if (write(fd, "GET ", 4) != 4) { uwsgi_error("uwsgi_scheme_http()/write()"); exit(1);}
+		if (write(fd, uri, strlen(uri)) != (ssize_t) strlen(uri)) { uwsgi_error("uwsgi_scheme_http()/write()"); exit(1);}
+		if (write(fd, " HTTP/1.0\r\n", 11) != 11) { uwsgi_error("uwsgi_scheme_http()/write()"); exit(1);}
+		if (write(fd, "Host: ", 6) != 6) { uwsgi_error("uwsgi_scheme_http()/write()"); exit(1);}
 
 		uri[0] = 0;
-		len = write(fd, domain, strlen(domain));
+		if (write(fd, domain, strlen(domain)) != (ssize_t) strlen(domain)) { uwsgi_error("uwsgi_scheme_http()/write()"); exit(1);}
 		uri[0] = '/';
 
-		len = write(fd, "\r\nUser-Agent: uWSGI on ", 23);
-		len = write(fd, uwsgi.hostname, uwsgi.hostname_len);
-		len = write(fd, "\r\n\r\n", 4);
+		if (write(fd, "\r\nUser-Agent: uWSGI on ", 23) != 23) { uwsgi_error("uwsgi_scheme_http()/write()"); exit(1);}
+		if (write(fd, uwsgi.hostname, uwsgi.hostname_len) != uwsgi.hostname_len) { uwsgi_error("uwsgi_scheme_http()/write()"); exit(1);}
+		if (write(fd, "\r\n\r\n", 4) != 4) { uwsgi_error("uwsgi_scheme_http()/write()"); exit(1);}
 
 		int http_status_code_ptr = 0;
 
@@ -264,57 +248,231 @@ char *uwsgi_open_and_read(char *url, size_t *size, int add_zero, char *magic_tab
 			buffer[*size - 1] = 0;
 		}
 
+	return buffer;
+}
+
+
+static char *uwsgi_scheme_emperor(char *url, size_t *size, int add_zero) {
+
+	if (uwsgi.emperor_fd_config < 0) {
+		uwsgi_log("this is not a vassal instance\n");
+		exit(1);
 	}
-	else if (!strncmp("emperor://", url, 10)) {
-		if (uwsgi.emperor_fd_config < 0) {
-			uwsgi_log("this is not a vassal instance\n");
+	ssize_t rlen;
+	struct uwsgi_header uh;
+	size_t remains = 4;
+	char *ptr = (char *) &uh;
+	while(remains) {
+		int ret = uwsgi_waitfd(uwsgi.emperor_fd_config, 5);
+		if (ret <= 0) {
+			uwsgi_log("[uwsgi-vassal] error waiting for config header %s !!!\n", url);
 			exit(1);
 		}
-		ssize_t rlen;
-		*size = 0;
-		struct uwsgi_header uh;
-		size_t remains = 4;
-		char *ptr = (char *) &uh;
-		while(remains) {
-			int ret = uwsgi_waitfd(uwsgi.emperor_fd_config, 5);
-			if (ret <= 0) {
-				uwsgi_log("[uwsgi-vassal] error waiting for config header %s !!!\n", url);
-				exit(1);
-			}
-			rlen = read(uwsgi.emperor_fd_config, ptr, remains);
-			if (rlen <= 0) {
-				uwsgi_log("[uwsgi-vassal] error reading config header from !!!\n", url);
-				exit(1);
-			}
-			ptr+=rlen;
-			remains-=rlen;
+		rlen = read(uwsgi.emperor_fd_config, ptr, remains);
+		if (rlen <= 0) {
+			uwsgi_log("[uwsgi-vassal] error reading config header from !!!\n", url);
+			exit(1);
 		}
+		ptr+=rlen;
+		remains-=rlen;
+	}
 
-		remains = uh.pktsize;
-		if (!remains) {
-			uwsgi_log("[uwsgi-vassal] invalid config from %s\n", url);
+	remains = uh.pktsize;
+	if (!remains) {
+		uwsgi_log("[uwsgi-vassal] invalid config from %s\n", url);
+		exit(1);
+	}
+
+	char *buffer = uwsgi_calloc(remains + add_zero);
+	ptr = buffer;
+	while (remains) {
+		int ret = uwsgi_waitfd(uwsgi.emperor_fd_config, 5);
+                if (ret <= 0) {
+                	uwsgi_log("[uwsgi-vassal] error waiting for config %s !!!\n", url);
+                        exit(1);
+                }
+		rlen = read(uwsgi.emperor_fd_config, ptr, remains);
+		if (rlen <= 0) {
+                	uwsgi_log("[uwsgi-vassal] error reading config from !!!\n", url);
+                        exit(1);
+                }
+                ptr+=rlen;
+                remains-=rlen;
+	}
+
+	*size = uh.pktsize + add_zero;
+	return buffer;
+}
+
+static char *uwsgi_scheme_data(char *url, size_t *size, int add_zero) {
+	char *buffer = NULL;
+	int fd = open(uwsgi.binary_path, O_RDONLY);
+	if (fd < 0) {
+		uwsgi_error_open(uwsgi.binary_path);
+		exit(1);
+	}
+	int slot = atoi(url);
+	if (slot < 0) {
+		uwsgi_log("invalid binary data slot requested\n");
+		exit(1);
+	}
+	uwsgi_log("requesting binary data slot %d\n", slot);
+	off_t fo = lseek(fd, 0, SEEK_END);
+	if (fo < 0) {
+		uwsgi_error("lseek()");
+		uwsgi_log("invalid binary data slot requested\n");
+		exit(1);
+	}
+	int i = 0;
+	uint64_t datasize = 0;
+	for (i = 0; i <= slot; i++) {
+		fo = lseek(fd, -8, SEEK_CUR);
+		if (fo < 0) {
+			uwsgi_error("lseek()");
+			uwsgi_log("invalid binary data slot requested\n");
+			exit(1);
+		}
+		ssize_t len = read(fd, &datasize, 8);
+		if (len != 8) {
+			uwsgi_error("read()");
+			uwsgi_log("invalid binary data slot requested\n");
+			exit(1);
+		}
+		if (datasize == 0) {
+			uwsgi_log("0 size binary data !!!\n");
+			exit(1);
+		}
+		fo = lseek(fd, -(datasize + 8), SEEK_CUR);
+		if (fo < 0) {
+			uwsgi_error("lseek()");
+			uwsgi_log("invalid binary data slot requested\n");
 			exit(1);
 		}
 
-		buffer = uwsgi_calloc(remains + add_zero);
-		ptr = buffer;
-		while (remains) {
-			int ret = uwsgi_waitfd(uwsgi.emperor_fd_config, 5);
-                        if (ret <= 0) {
-                                uwsgi_log("[uwsgi-vassal] error waiting for config %s !!!\n", url);
-                                exit(1);
-                        }
-			rlen = read(uwsgi.emperor_fd_config, ptr, remains);
-			if (rlen <= 0) {
-                                uwsgi_log("[uwsgi-vassal] error reading config from !!!\n", url);
-                                exit(1);
-                        }
-                        ptr+=rlen;
-                        remains-=rlen;
+		if (i == slot) {
+			*size = datasize;
+			if (add_zero) {
+				*size += 1;
+			}
+			buffer = uwsgi_malloc(*size);
+			memset(buffer, 0, *size);
+			len = read(fd, buffer, datasize);
+			if (len != (ssize_t) datasize) {
+				uwsgi_error("read()");
+				uwsgi_log("invalid binary data slot requested\n");
+				exit(1);
+			}
 		}
-
-		*size = uh.pktsize + add_zero;
 	}
+
+	return buffer;
+}
+
+static char *uwsgi_scheme_call(char *url, size_t *size, int add_zero) {
+        char *(*func)(void) = dlsym(RTLD_DEFAULT, url);
+	if (!func) {
+		uwsgi_log("unable to find symbol %s\n", url);
+                exit(1);
+	}
+
+	char *s = func();
+	if (!s) {
+		uwsgi_log("called symbol %s did not return a string\n", url);
+                exit(1);
+	}
+        *size = strlen(s);
+        if (add_zero) {
+                *size += 1;
+        }
+        char *buffer = uwsgi_malloc(*size);
+        memset(buffer, 0, *size);
+        memcpy(buffer, s, strlen(s));
+
+        return buffer;
+}
+
+
+static char *uwsgi_scheme_sym(char *url, size_t *size, int add_zero) {
+	void *sym_start_ptr = NULL, *sym_end_ptr = NULL;
+	char **raw_symbol = dlsym(RTLD_DEFAULT, url);
+	if (raw_symbol) {
+		sym_start_ptr = *raw_symbol;
+		sym_end_ptr = sym_start_ptr + strlen(sym_start_ptr);
+		goto found;
+	}
+	char *symbol = uwsgi_concat3("_binary_", url, "_start");
+	sym_start_ptr = dlsym(RTLD_DEFAULT, symbol);
+	if (!sym_start_ptr) {
+		uwsgi_log("unable to find symbol %s\n", symbol);
+		exit(1);
+	}
+	free(symbol);
+	symbol = uwsgi_concat3("_binary_", url, "_end");
+	sym_end_ptr = dlsym(RTLD_DEFAULT, symbol);
+	if (!sym_end_ptr) {
+		uwsgi_log("unable to find symbol %s\n", symbol);
+		exit(1);
+	}
+	free(symbol);
+
+found:
+
+	*size = sym_end_ptr - sym_start_ptr;
+	if (add_zero) {
+		*size += 1;
+	}
+	char *buffer = uwsgi_malloc(*size);
+	memset(buffer, 0, *size);
+	memcpy(buffer, sym_start_ptr, sym_end_ptr - sym_start_ptr);
+
+	return buffer;
+}
+
+static char *uwsgi_scheme_section(char *url, size_t *size, int add_zero) {
+#ifdef UWSGI_ELF
+	size_t s_len = 0;
+	char *buffer = uwsgi_elf_section(uwsgi.binary_path, url, &s_len);
+	if (!buffer) {
+		uwsgi_log("unable to find section %s in %s\n", url + 10, uwsgi.binary_path);
+		exit(1);
+	}
+	*size = s_len;
+	if (add_zero)
+		*size += 1;
+	return buffer;
+#else
+	uwsgi_log("section:// scheme not supported on this platform\n");
+	exit(1);
+#endif
+}
+
+struct uwsgi_string_list *uwsgi_register_scheme(char *name, char * (*func)(char *, size_t *, int)) {
+	struct uwsgi_string_list *usl = NULL;
+	uwsgi_foreach(usl, uwsgi.schemes) {
+		if (!strcmp(usl->value, name)) goto found;
+	}
+
+	usl = uwsgi_string_new_list(&uwsgi.schemes, name); 	
+
+found:
+	usl->custom_ptr = func;
+	return usl;
+}
+
+char *uwsgi_open_and_read(char *url, size_t *size, int add_zero, char *magic_table[]) {
+
+        struct stat sb;
+        char *buffer = NULL;
+        ssize_t len;
+        char *magic_buf;
+	int fd;
+
+	*size = 0;
+
+        // stdin ?
+        if (!strcmp(url, "-")) {
+                buffer = uwsgi_read_fd(0, size, add_zero);
+        }
 #ifdef UWSGI_EMBED_CONFIG
 	else if (url[0] == 0) {
 		*size = &UWSGI_EMBED_CONFIG_END - &UWSGI_EMBED_CONFIG;
@@ -326,106 +484,19 @@ char *uwsgi_open_and_read(char *url, size_t *size, int add_zero, char *magic_tab
 		memcpy(buffer, &UWSGI_EMBED_CONFIG, &UWSGI_EMBED_CONFIG_END - &UWSGI_EMBED_CONFIG);
 	}
 #endif
-	else if (!strncmp("data://", url, 7)) {
-		fd = open(uwsgi.binary_path, O_RDONLY);
-		if (fd < 0) {
-			uwsgi_error_open(uwsgi.binary_path);
-			exit(1);
-		}
-		int slot = atoi(url + 7);
-		if (slot < 0) {
-			uwsgi_log("invalid binary data slot requested\n");
-			exit(1);
-		}
-		uwsgi_log("requesting binary data slot %d\n", slot);
-		off_t fo = lseek(fd, 0, SEEK_END);
-		if (fo < 0) {
-			uwsgi_error("lseek()");
-			uwsgi_log("invalid binary data slot requested\n");
-			exit(1);
-		}
-		int i = 0;
-		uint64_t datasize = 0;
-		for (i = 0; i <= slot; i++) {
-			fo = lseek(fd, -9, SEEK_CUR);
-			if (fo < 0) {
-				uwsgi_error("lseek()");
-				uwsgi_log("invalid binary data slot requested\n");
-				exit(1);
-			}
-			ssize_t len = read(fd, &datasize, 8);
-			if (len != 8) {
-				uwsgi_error("read()");
-				uwsgi_log("invalid binary data slot requested\n");
-				exit(1);
-			}
-			if (datasize == 0) {
-				uwsgi_log("0 size binary data !!!\n");
-				exit(1);
-			}
-			fo = lseek(fd, -(datasize + 9), SEEK_CUR);
-			if (fo < 0) {
-				uwsgi_error("lseek()");
-				uwsgi_log("invalid binary data slot requested\n");
-				exit(1);
-			}
 
-			if (i == slot) {
-				*size = datasize;
-				if (add_zero) {
-					*size += 1;
-				}
-				buffer = uwsgi_malloc(*size);
-				memset(buffer, 0, *size);
-				len = read(fd, buffer, datasize);
-				if (len != (ssize_t) datasize) {
-					uwsgi_error("read()");
-					uwsgi_log("invalid binary data slot requested\n");
-					exit(1);
-				}
-			}
-		}
-	}
-	else if (!strncmp("sym://", url, 6)) {
-		char *symbol = uwsgi_concat3("_binary_", url + 6, "_start");
-		void *sym_start_ptr = dlsym(RTLD_DEFAULT, symbol);
-		if (!sym_start_ptr) {
-			uwsgi_log("unable to find symbol %s\n", symbol);
-			exit(1);
-		}
-		free(symbol);
-		symbol = uwsgi_concat3("_binary_", url + 6, "_end");
-		void *sym_end_ptr = dlsym(RTLD_DEFAULT, symbol);
-		if (!sym_end_ptr) {
-			uwsgi_log("unable to find symbol %s\n", symbol);
-			exit(1);
-		}
-		free(symbol);
+	struct uwsgi_string_list *usl = uwsgi_check_scheme(url);
+	if (!usl) goto fallback;
 
-		*size = sym_end_ptr - sym_start_ptr;
-		if (add_zero) {
-			*size += 1;
-		}
-		buffer = uwsgi_malloc(*size);
-		memset(buffer, 0, *size);
-		memcpy(buffer, sym_start_ptr, sym_end_ptr - sym_start_ptr);
-
-	}
-#ifdef UWSGI_ELF
-	else if (!strncmp("section://", url, 10)) {
-		size_t s_len = 0;
-		buffer = uwsgi_elf_section(uwsgi.binary_path, url + 10, &s_len);
-		if (!buffer) {
-			uwsgi_log("unable to find section %s in %s\n", url + 10, uwsgi.binary_path);
-			exit(1);
-		}
-		*size = s_len;
-		if (add_zero)
-			*size += 1;
-	}
-#endif
+	char *(*func)(char *, size_t *, int) = (char *(*)(char *, size_t *, int)) usl->custom_ptr;
+	buffer = func(url + usl->len + 3, size, add_zero);
+	if (buffer) goto end;
+	// never here !!!
+	uwsgi_log("unable to parse config file %s\n", url);
+	exit(1);
+	
 	// fallback to file
-	else {
+fallback:
 		fd = open(url, O_RDONLY);
 		if (fd < 0) {
 			uwsgi_error_open(url);
@@ -457,7 +528,6 @@ char *uwsgi_open_and_read(char *url, size_t *size, int add_zero, char *magic_tab
 
 		if (add_zero)
 			buffer[sb.st_size] = 0;
-	}
 
 end:
 
@@ -1097,3 +1167,44 @@ int uwsgi_ready_fd(struct wsgi_request *wsgi_req) {
 	if (wsgi_req->async_ready_fd) return wsgi_req->async_last_ready_fd;
 	return -1;
 }
+
+void uwsgi_setup_schemes() {
+	uwsgi_register_scheme("emperor", uwsgi_scheme_emperor);	
+	uwsgi_register_scheme("http", uwsgi_scheme_http);	
+	uwsgi_register_scheme("data", uwsgi_scheme_data);	
+	uwsgi_register_scheme("sym", uwsgi_scheme_sym);	
+	uwsgi_register_scheme("section", uwsgi_scheme_section);	
+	uwsgi_register_scheme("fd", uwsgi_scheme_fd);	
+	uwsgi_register_scheme("exec", uwsgi_scheme_exec);	
+	uwsgi_register_scheme("call", uwsgi_scheme_call);	
+}
+
+struct uwsgi_string_list *uwsgi_check_scheme(char *file) {
+	struct uwsgi_string_list *usl;
+	uwsgi_foreach(usl, uwsgi.schemes) {
+		char *url = uwsgi_concat2(usl->value, "://");
+		int ret = uwsgi_startswith(file, url, strlen(url));
+		free(url);
+		if (!ret) return usl;
+	}
+	return NULL;
+}
+
+void uwsgi_remap_fd(int fd, char *filename) {
+
+	int fdin = open(filename, O_RDWR);
+        if (fdin < 0) {
+                uwsgi_error_open(filename);
+                exit(1);
+        }
+
+        /* stdin */
+        if (fdin != fd) {
+                if (dup2(fdin, fd) < 0) {
+                        uwsgi_error("uwsgi_remap_fd()/dup2()");
+                        exit(1);
+                }
+                close(fdin);
+        }
+}
+

core/json.c

@@ -106,6 +106,8 @@ void uwsgi_json_config(char *file, char *magic_table[]) {
 		config_iter = json_object_iter_next(config, config_iter);
 	}
 
+	if (colon) colon[0] = ':';
+
 }
 
 #endif

core/master.c

@@ -77,38 +77,6 @@ void uwsgi_master_manage_udp(int udp_fd) {
 	}
 }
 
-void uwsgi_master_manage_emperor() {
-	char byte;
-	ssize_t rlen = read(uwsgi.emperor_fd, &byte, 1);
-	if (rlen > 0) {
-		uwsgi_log_verbose("received message %d from emperor\n", byte);
-		// remove me
-		if (byte == 0) {
-			close(uwsgi.emperor_fd);
-			if (!uwsgi.status.brutally_reloading)
-				kill_them_all(0);
-		}
-		// reload me
-		else if (byte == 1) {
-			// un-lazy the stack to trigger a real reload
-			uwsgi.lazy = 0;
-			uwsgi_block_signal(SIGHUP);
-			grace_them_all(0);
-			uwsgi_unblock_signal(SIGHUP);
-		}
-	}
-	else {
-		uwsgi_log("lost connection with my emperor !!!\n");
-		close(uwsgi.emperor_fd);
-		if (!uwsgi.status.brutally_reloading)
-			kill_them_all(0);
-		sleep(2);
-		exit(1);
-	}
-
-}
-
-
 void uwsgi_master_restore_snapshot() {
 	int i, waitpid_status;
 	uwsgi_log("[snapshot] restoring workers...\n");
@@ -387,7 +355,18 @@ int master_loop(char **argv, char **environ) {
 	uwsgi.wsgi_req->buffer = uwsgi.workers[0].cores[0].buffer;
 
 	if (uwsgi.has_emperor) {
-		event_queue_add_fd_read(uwsgi.master_queue, uwsgi.emperor_fd);
+		if (uwsgi.emperor_proxy) {
+			uwsgi.emperor_fd_proxy = bind_to_unix(uwsgi.emperor_proxy, uwsgi.listen_queue, 0, 0);
+			if (uwsgi.emperor_fd_proxy < 0) exit(1);
+			if (chmod(uwsgi.emperor_proxy, S_IRUSR|S_IWUSR)) {
+				uwsgi_error("[emperor-proxy] chmod()");
+				exit(1);
+			}
+			event_queue_add_fd_read(uwsgi.master_queue, uwsgi.emperor_fd_proxy);
+		}
+		else {
+			event_queue_add_fd_read(uwsgi.master_queue, uwsgi.emperor_fd);
+		}
 	}
 
 	if (uwsgi.zerg_server) {
@@ -735,6 +714,7 @@ int master_loop(char **argv, char **environ) {
 			uwsgi_master_check_mules_deadline();
 			uwsgi_master_check_spoolers_deadline();
 			uwsgi_master_check_crons_deadline();
+			uwsgi_master_check_mountpoints();
 
 #ifdef __linux__
 #ifdef MADV_MERGEABLE

core/master_checks.c

@@ -118,6 +118,9 @@ void uwsgi_master_check_idle() {
 				if (errno != ECHILD)
 					uwsgi_error("uwsgi_master_check_idle()/waitpid()");
 			}
+			else {
+				uwsgi.workers[i].pid = 0;
+			}
 		}
 		uwsgi_add_sockets_to_queue(uwsgi.master_queue, -1);
 		uwsgi_log("cheap mode enabled: waiting for socket connection...\n");
@@ -322,3 +325,14 @@ void uwsgi_master_check_crons_deadline() {
 	}
 }
 
+void uwsgi_master_check_mountpoints() {
+	struct uwsgi_string_list *usl;
+	uwsgi_foreach(usl, uwsgi.mountpoints_check) {
+		if (uwsgi_check_mountpoint(usl->value)) {
+			uwsgi_log_verbose("mountpoint %s failed, triggering detonation...\n", usl->value);
+			uwsgi_nuclear_blast();
+			//never here
+			exit(1);
+		}
+	}
+}

core/master_events.c

@@ -40,6 +40,11 @@ int uwsgi_master_manage_events(int interesting_fd) {
 
 	// emperor event ?
 	if (uwsgi.has_emperor) {
+		if (uwsgi.emperor_fd_proxy > -1 && interesting_fd == uwsgi.emperor_fd_proxy) {
+			uwsgi_master_manage_emperor_proxy();	
+			return 0;
+		}
+
 		if (interesting_fd == uwsgi.emperor_fd) {
 			uwsgi_master_manage_emperor();
 			return 0;

core/master_utils.c

@@ -151,7 +151,13 @@ int uwsgi_calc_cheaper(void) {
 		uwsgi.cheaper_fifo_delta = 0;
 	}
 
-	if (!ignore_algo) needed_workers = uwsgi.cheaper_algo();
+	// if cheaper limits wants to change worker count, then skip cheaper algo
+	if (!needed_workers) needed_workers = uwsgi.cheaper_algo(!ignore_algo);
+	// safe check to verify if cheaper algo obeyed ignore_algo value
+	if (ignore_algo && needed_workers > 0) {
+		uwsgi_log("BUG! cheaper algo returned %d but it cannot spawn any worker at this time!\n", needed_workers);
+		needed_workers = 0;
+	}
 
 	if (needed_workers > 0) {
 		for (i = 1; i <= uwsgi.numproc; i++) {
@@ -189,7 +195,7 @@ int uwsgi_calc_cheaper(void) {
 }
 
 // fake algo to allow control with the fifo
-int uwsgi_cheaper_algo_manual(void) {
+int uwsgi_cheaper_algo_manual(int can_spawn) {
 	return 0;
 }
 
@@ -228,7 +234,7 @@ int uwsgi_cheaper_algo_manual(void) {
 */
 
 
-int uwsgi_cheaper_algo_spare(void) {
+int uwsgi_cheaper_algo_spare(int can_spawn) {
 
 	int i;
 	static uint64_t overload_count = 0;
@@ -252,7 +258,7 @@ int uwsgi_cheaper_algo_spare(void) {
 healthy:
 
 	// are we overloaded ?
-	if (overload_count > uwsgi.cheaper_overload) {
+	if (can_spawn && overload_count > uwsgi.cheaper_overload) {
 
 #ifdef UWSGI_DEBUG
 		uwsgi_log("overloaded !!!\n");
@@ -320,7 +326,7 @@ healthy:
 
 */
 
-int uwsgi_cheaper_algo_backlog(void) {
+int uwsgi_cheaper_algo_backlog(int can_spawn) {
 
 	int i;
 #ifdef __linux__
@@ -329,7 +335,7 @@ int uwsgi_cheaper_algo_backlog(void) {
 	int backlog = 0;
 #endif
 
-	if (backlog > (int) uwsgi.cheaper_overload) {
+	if (can_spawn && backlog > (int) uwsgi.cheaper_overload) {
 		// activate the first available worker (taking step into account)
 		int decheaped = 0;
 		// search for cheaped workers
@@ -1345,7 +1351,7 @@ end:
 	return NULL;
 }
 
-void uwsgi_register_cheaper_algo(char *name, int (*func) (void)) {
+void uwsgi_register_cheaper_algo(char *name, int (*func) (int)) {
 
 	struct uwsgi_cheaper_algo *uca = uwsgi.cheaper_algos;
 

core/mount.c

@@ -16,6 +16,7 @@
 #ifndef MS_REC
 #define MS_REC 16384
 #endif
+#include <sys/statfs.h>
 #endif
 
 struct uwsgi_mount_flag {
@@ -102,7 +103,7 @@ uint64_t uwsgi_mount_flag(char *mflag) {
 }
 
 int uwsgi_mount(char *fs, char *what, char *where, char *flags) {
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__GNU_kFreeBSD__)
 	struct iovec iov[6];
 #endif
 	unsigned long mountflags = 0;
@@ -121,7 +122,7 @@ int uwsgi_mount(char *fs, char *what, char *where, char *flags) {
 parsed:
 #ifdef __linux__
 	return mount(what, where, fs, mountflags, NULL);
-#elif defined(__FreeBSD__)
+#elif defined(__FreeBSD__) || defined(__GNU_kFreeBSD__)
 	iov[0].iov_base = "fstype";
 	iov[0].iov_len = 7;
 	iov[1].iov_base = fs;
@@ -189,7 +190,7 @@ unmountable:
 		free(slashed);
 	}
         return umount2(where, mountflags);
-#elif defined(__FreeBSD__)
+#elif defined(__FreeBSD__) || defined(__GNU_kFreeBSD__)
 	return unmount(where, mountflags);
 #endif
         return -1;
@@ -236,3 +237,18 @@ int uwsgi_umount_hook(char *arg) {
         free(tmp_arg);
         return 0;
 }
+
+int uwsgi_check_mountpoint(char *mountpoint) {
+#ifdef __linux__
+	struct statfs sfs;
+	int ret = statfs(mountpoint, &sfs);
+	if (ret) {
+		uwsgi_error("uwsgi_check_mountpoint()/statfs()");
+		return -1;
+	}
+	return 0;
+#else
+	uwsgi_log("this platform does not support mountpoints check !!!\n");
+	return -1;
+#endif
+}

core/offload.c

@@ -323,7 +323,7 @@ static int u_offload_sendfile_do(struct uwsgi_thread *ut, struct uwsgi_offload_r
 		if (event_queue_add_fd_write(ut->queue, uor->fd2)) return -1;
 		return 0;
 	}
-#if defined(__linux__) || defined(__sun__)
+#if defined(__linux__) || defined(__sun__) || defined(__GNU_kFreeBSD__)
 	ssize_t len = sendfile(uor->fd2, uor->fd, &uor->pos, 128 * 1024);
 	if (len > 0) {
         	uor->written += len;

core/queue.c

@@ -57,7 +57,7 @@ void uwsgi_init_queue() {
 		uwsgi.queue_header->pos = 0;
 		uwsgi.queue_header->pull_pos = 0;
 	}
-	if (!uwsgi.queue) {
+	if (uwsgi.queue == MAP_FAILED) {
 		uwsgi_error("mmap()");
 		exit(1);
 	}

core/reader.c

@@ -389,6 +389,8 @@ wait:
 				remains -= len;
                         	*rlen += len;
                         	continue;
+			}else if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINPROGRESS) {
+				goto wait;
 			}
 			*rlen = -1;
 			if (len == 0) {

core/sendfile.c

@@ -20,7 +20,7 @@ ssize_t uwsgi_sendfile_do(int sockfd, int filefd, size_t pos, size_t len) {
 	int sf_ret = sendfile(filefd, sockfd, pos, &sf_len, NULL, 0);
 	if (sf_ret == 0 || (sf_ret == -1 && errno == EAGAIN)) return sf_len;
 	return -1;
-#elif defined(__linux__) || defined(__sun__)
+#elif defined(__linux__) || defined(__sun__) || defined(__GNU_kFreeBSD__)
 	off_t off = pos;
 	return sendfile(sockfd, filefd, &off, len);
 #endif

core/socket.c

@@ -1673,18 +1673,7 @@ void uwsgi_map_sockets() {
 
 		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_remap_fd(uwsgi_sock->fd, "/dev/null");
 			uwsgi_sock->disabled = 1;
 		}
 
@@ -1714,6 +1703,10 @@ void uwsgi_bind_sockets() {
 	while (uwsgi_sock) {
 		if (!uwsgi_sock->bound && !uwsgi_socket_is_already_bound(uwsgi_sock->name)) {
 			char *tcp_port = strrchr(uwsgi_sock->name, ':');
+			int current_defer_accept = uwsgi.no_defer_accept;
+                        if (uwsgi_sock->no_defer) {
+                                uwsgi.no_defer_accept = 1;
+                        }
 			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;
@@ -1747,6 +1740,7 @@ void uwsgi_bind_sockets() {
 				uwsgi_log("unable to create server socket on: %s\n", uwsgi_sock->name);
 				exit(1);
 			}
+			uwsgi.no_defer_accept = current_defer_accept;
 		}
 		uwsgi_sock->bound = 1;
 		uwsgi_sock = uwsgi_sock->next;
@@ -1877,7 +1871,20 @@ setup_proto:
 			if (uwsgi.offload_threads > 0)
 				uwsgi_sock->can_offload = 1;
 		}
-
+		else if (requested_protocol && !strcmp("raw", requested_protocol)) {
+			uwsgi_sock->proto = uwsgi_proto_raw_parser;
+                        uwsgi_sock->proto_accept = uwsgi_proto_base_accept;
+                        uwsgi_sock->proto_prepare_headers = uwsgi_proto_base_prepare_headers;
+                        uwsgi_sock->proto_add_header = uwsgi_proto_base_add_header;
+                        uwsgi_sock->proto_fix_headers = uwsgi_proto_base_fix_headers;
+                        uwsgi_sock->proto_read_body = uwsgi_proto_base_read_body;
+                        uwsgi_sock->proto_write = uwsgi_proto_base_write;
+                        uwsgi_sock->proto_write_headers = uwsgi_proto_base_write;
+                        uwsgi_sock->proto_sendfile = uwsgi_proto_base_sendfile;
+                        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))) {
 			uwsgi_sock->proto = uwsgi_proto_fastcgi_parser;
 			uwsgi_sock->proto_accept = uwsgi_proto_base_accept;

core/strings.c

@@ -379,3 +379,107 @@ char *uwsgi_cheap_string(char *buf, int len) {
         return buf - 1;
 }
 
+/*
+	status 0: append mode
+	status 1: single quote found
+	status 2: double quote found
+	status 3: backslash found (on 0)
+	status 4: backslash found (on 1)
+	status 5: backslash found (on 2)
+	
+*/
+char ** uwsgi_split_quoted(char *what, size_t what_len, char *sep, size_t *rlen) {
+	size_t i;
+	int status = 0;
+	char *base = uwsgi_concat2n(what, what_len, "", 0);
+	char *item = NULL;
+	char *ptr = NULL;
+	*rlen = 0;
+	char **ret = (char **) uwsgi_malloc(sizeof(char *) * (what_len+1));
+
+	for(i=0;i<what_len;i++) {
+		if (!item) {
+			item = uwsgi_malloc((what_len - i)+1);
+			ptr = item;
+		}
+
+		if (status == 0) {
+			if (base[i] == '\\') {
+				status = 3;
+			}	
+			else if (base[i] == '"') {
+				status = 2;
+			}
+			else if (base[i] == '\'') {
+				status = 1;
+			}
+			else if (strchr(sep, base[i])) {
+				*ptr++= 0;
+				ret[(*rlen)] = item; (*rlen)++;
+				item = NULL;
+			}
+			else {
+				*ptr++= base[i];
+			}
+			continue;
+		}
+
+		// backslash
+		if (status == 3) {
+			*ptr++= base[i];
+			status = 0;
+			continue;
+		}
+
+		// single quote
+		if (status == 1) {
+			if (base[i] == '\\') {
+				status = 4;
+			}
+			else if (base[i] == '\'') {
+				status = 0;
+			}
+			else {
+				*ptr++= base[i];
+			}
+			continue;
+		}
+
+		// double quote
+		if (status == 2) {
+			if (base[i] == '\\') {
+                                status = 5;
+                        }
+                        else if (base[i] == '"') {
+                        	status = 0;
+                        }
+                        else {
+                                *ptr++= base[i];
+                        }
+			continue;
+		}
+
+		// backslash single quote
+                if (status == 4) {
+                        *ptr++= base[i];
+                        status = 1;
+			continue;
+                }
+
+		// backslash double quote
+                if (status == 5) {
+                        *ptr++= base[i];
+                        status = 2;
+			continue;
+                }
+	}
+
+	if (item) {
+		*ptr++= 0;
+		ret[(*rlen)] = item; (*rlen)++;
+	}
+
+	free(base);
+
+	return ret;
+}

core/uwsgi.c

@@ -53,6 +53,10 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"scgi-modifier1", required_argument, 0, "force the specified modifier1 when using SCGI protocol", uwsgi_opt_set_64bit, &uwsgi.scgi_modifier1, 0},
 	{"scgi-modifier2", required_argument, 0, "force the specified modifier2 when using SCGI protocol", uwsgi_opt_set_64bit, &uwsgi.scgi_modifier2, 0},
 
+	{"raw-socket", required_argument, 0, "bind to the specified UNIX/TCP socket using RAW protocol", uwsgi_opt_add_socket_no_defer, "raw", 0},
+	{"raw-modifier1", required_argument, 0, "force the specified modifier1 when using RAW protocol", uwsgi_opt_set_64bit, &uwsgi.raw_modifier1, 0},
+	{"raw-modifier2", required_argument, 0, "force the specified modifier2 when using RAW protocol", uwsgi_opt_set_64bit, &uwsgi.raw_modifier2, 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},
@@ -78,7 +82,9 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"skip-zero", no_argument, 0, "skip check of file descriptor 0", uwsgi_opt_true, &uwsgi.skip_zero, 0},
 	{"skip-atexit", no_argument, 0, "skip atexit hooks (ignored by the master)", uwsgi_opt_true, &uwsgi.skip_atexit, 0},
 
-	{"set", required_argument, 'S', "set a custom placeholder", uwsgi_opt_set_placeholder, NULL, UWSGI_OPT_IMMEDIATE},
+	{"set", required_argument, 'S', "set a placeholder or an option", uwsgi_opt_set_placeholder, NULL, UWSGI_OPT_IMMEDIATE},
+	{"set-placeholder", required_argument, 0, "set a placeholder", uwsgi_opt_set_placeholder, (void *) 1, UWSGI_OPT_IMMEDIATE},
+	{"set-ph", required_argument, 0, "set a placeholder", uwsgi_opt_set_placeholder, (void *) 1, UWSGI_OPT_IMMEDIATE},
 	{"get", required_argument, 0, "print the specified option value and exit", uwsgi_opt_add_string_list, &uwsgi.get_list, UWSGI_OPT_NO_INITIAL},
 	{"declare-option", required_argument, 0, "declare a new uWSGI custom option", uwsgi_opt_add_custom_option, NULL, UWSGI_OPT_IMMEDIATE},
 
@@ -173,10 +179,13 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"master", no_argument, 'M', "enable master process", uwsgi_opt_true, &uwsgi.master_process, 0},
 	{"honour-stdin", no_argument, 0, "do not remap stdin to /dev/null", uwsgi_opt_true, &uwsgi.honour_stdin, 0},
 	{"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-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},
 	{"emperor-required-heartbeat", required_argument, 0, "set the Emperor tolerance about heartbeats", uwsgi_opt_set_int, &uwsgi.emperor_heartbeat, 0},
+	{"emperor-curse-tolerance", required_argument, 0, "set the Emperor tolerance about cursed vassals", uwsgi_opt_set_int, &uwsgi.emperor_curse_tolerance, 0},
 	{"emperor-pidfile", required_argument, 0, "write the Emperor pid in the specified file", uwsgi_opt_set_str, &uwsgi.emperor_pidfile, 0},
 	{"emperor-tyrant", no_argument, 0, "put the Emperor in Tyrant mode", uwsgi_opt_true, &uwsgi.emperor_tyrant, 0},
 	{"emperor-tyrant-nofollow", no_argument, 0, "do not follow symlinks when checking for uid/gid in Tyrant mode", uwsgi_opt_true, &uwsgi.emperor_tyrant_nofollow, 0},
@@ -196,11 +205,18 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"emperor-extra-ext", required_argument, 0, "allows the specified extension in the Emperor (vassal will be called with --config)", uwsgi_opt_add_string_list, &uwsgi.emperor_extra_extension, 0},
 #if defined(__linux__) && !defined(OBSOLETE_LINUX_KERNEL)
 	{"emperor-use-clone", required_argument, 0, "use clone() instead of fork() passing the specified unshare() flags", uwsgi_opt_set_unshare, &uwsgi.emperor_clone, 0},
+#endif
+#ifdef UWSGI_CAP
+	{"emperor-cap", required_argument, 0, "set vassals capability", uwsgi_opt_set_emperor_cap, NULL, 0},
+	{"vassals-cap", required_argument, 0, "set vassals capability", uwsgi_opt_set_emperor_cap, NULL, 0},
+	{"vassal-cap", required_argument, 0, "set vassals capability", uwsgi_opt_set_emperor_cap, NULL, 0},
 #endif
 	{"imperial-monitor-list", no_argument, 0, "list enabled imperial monitors", uwsgi_opt_true, &uwsgi.imperial_monitor_list, 0},
 	{"imperial-monitors-list", no_argument, 0, "list enabled imperial monitors", uwsgi_opt_true, &uwsgi.imperial_monitor_list, 0},
 	{"vassals-inherit", required_argument, 0, "add config templates to vassals config (uses --inherit)", uwsgi_opt_add_string_list, &uwsgi.vassals_templates, 0},
 	{"vassals-include", required_argument, 0, "include config templates to vassals config (uses --include instead of --inherit)", uwsgi_opt_add_string_list, &uwsgi.vassals_includes, 0},
+	{"vassals-inherit-before", required_argument, 0, "add config templates to vassals config (uses --inherit, parses before the vassal file)", uwsgi_opt_add_string_list, &uwsgi.vassals_templates_before, 0},
+	{"vassals-include-before", required_argument, 0, "include config templates to vassals config (uses --include instead of --inherit, parses before the vassal file)", uwsgi_opt_add_string_list, &uwsgi.vassals_includes_before, 0},
 	{"vassals-start-hook", required_argument, 0, "run the specified command before each vassal starts", uwsgi_opt_set_str, &uwsgi.vassals_start_hook, 0},
 	{"vassals-stop-hook", required_argument, 0, "run the specified command after vassal's death", uwsgi_opt_set_str, &uwsgi.vassals_stop_hook, 0},
 	{"vassal-sos-backlog", required_argument, 0, "ask emperor for sos if backlog queue has more items than the value specified", uwsgi_opt_set_int, &uwsgi.vassal_sos_backlog, 0},
@@ -306,8 +322,9 @@ static struct uwsgi_option uwsgi_base_options[] = {
 #endif
 #ifdef __linux__
 	{"unshare", required_argument, 0, "unshare() part of the processes and put it in a new namespace", uwsgi_opt_set_unshare, &uwsgi.unshare, 0},
+	{"unshare2", required_argument, 0, "unshare() part of the processes and put it in a new namespace after rootfs change", uwsgi_opt_set_unshare, &uwsgi.unshare2, 0},
 #endif
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__GNU_kFreeBSD__)
 	{"jail", required_argument, 0, "put the instance in a FreeBSD jail", uwsgi_opt_set_str, &uwsgi.jail, 0},
 	{"jail-ip4", required_argument, 0, "add an ipv4 address to the FreeBSD jail", uwsgi_opt_add_string_list, &uwsgi.jail_ip4, 0},
 	{"jail-ip6", required_argument, 0, "add an ipv6 address to the FreeBSD jail", uwsgi_opt_add_string_list, &uwsgi.jail_ip6, 0},
@@ -406,7 +423,7 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"ini", required_argument, 0, "load config from ini file", uwsgi_opt_load_ini, NULL, UWSGI_OPT_IMMEDIATE},
 #ifdef UWSGI_YAML
 	{"yaml", required_argument, 'y', "load config from yaml file", uwsgi_opt_load_yml, NULL, UWSGI_OPT_IMMEDIATE},
-	{"yal", required_argument, 'y', "load config from yaml file", uwsgi_opt_load_yml, NULL, UWSGI_OPT_IMMEDIATE},
+	{"yml", required_argument, 'y', "load config from yaml file", uwsgi_opt_load_yml, NULL, UWSGI_OPT_IMMEDIATE},
 #endif
 #ifdef UWSGI_JSON
 	{"json", required_argument, 'j', "load config from json file", uwsgi_opt_load_json, NULL, UWSGI_OPT_IMMEDIATE},
@@ -462,6 +479,11 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"fs-brutal-reload", required_argument, 0, "brutal reload when the specified filesystem object is modified", uwsgi_opt_add_string_list, &uwsgi.fs_brutal_reload, UWSGI_OPT_MASTER},
 	{"fs-signal", required_argument, 0, "raise a uwsgi signal when the specified filesystem object is modified (syntax: file signal)", uwsgi_opt_add_string_list, &uwsgi.fs_signal, UWSGI_OPT_MASTER},
 
+	{"check-mountpoint", required_argument, 0, "destroy the instance if a filesystem is no more reachable (useful for reliable Fuse management)", uwsgi_opt_add_string_list, &uwsgi.mountpoints_check, UWSGI_OPT_MASTER},
+	{"mountpoint-check", required_argument, 0, "destroy the instance if a filesystem is no more reachable (useful for reliable Fuse management)", uwsgi_opt_add_string_list, &uwsgi.mountpoints_check, UWSGI_OPT_MASTER},
+	{"check-mount", required_argument, 0, "destroy the instance if a filesystem is no more reachable (useful for reliable Fuse management)", uwsgi_opt_add_string_list, &uwsgi.mountpoints_check, UWSGI_OPT_MASTER},
+	{"mount-check", required_argument, 0, "destroy the instance if a filesystem is no more reachable (useful for reliable Fuse management)", uwsgi_opt_add_string_list, &uwsgi.mountpoints_check, UWSGI_OPT_MASTER},
+
 	{"propagate-touch", no_argument, 0, "over-engineering option for system with flaky signal management", uwsgi_opt_true, &uwsgi.propagate_touch, 0},
 	{"limit-post", required_argument, 0, "limit request body", uwsgi_opt_set_64bit, &uwsgi.limit_post, 0},
 	{"no-orphans", no_argument, 0, "automatically kill workers if master dies (can be dangerous for availability)", uwsgi_opt_true, &uwsgi.no_orphans, 0},
@@ -833,6 +855,7 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"worker-exec", required_argument, 0, "run the specified command as worker", uwsgi_opt_set_str, &uwsgi.worker_exec, 0},
 	{"worker-exec2", required_argument, 0, "run the specified command as worker (after post_fork hook)", uwsgi_opt_set_str, &uwsgi.worker_exec2, 0},
 	{"attach-daemon", required_argument, 0, "attach a command/daemon to the master process (the command has to not go in background)", uwsgi_opt_add_daemon, NULL, UWSGI_OPT_MASTER},
+	{"attach-control-daemon", required_argument, 0, "attach a command/daemon to the master process (the command has to not go in background), when teh daemon dies, the master dies too", uwsgi_opt_add_daemon, NULL, UWSGI_OPT_MASTER},
 	{"smart-attach-daemon", required_argument, 0, "attach a command/daemon to the master process managed by a pidfile (the command has to daemonize)", uwsgi_opt_add_daemon, NULL, UWSGI_OPT_MASTER},
 	{"smart-attach-daemon2", required_argument, 0, "attach a command/daemon to the master process managed by a pidfile (the command has to NOT daemonize)", uwsgi_opt_add_daemon, NULL, UWSGI_OPT_MASTER},
 #ifdef UWSGI_SSL
@@ -856,7 +879,9 @@ static struct uwsgi_option uwsgi_base_options[] = {
 
 	{"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},
+	{"binary-append-data", required_argument, 0, "return the content of a resource to stdout for appending to a uwsgi binary (for data:// usage)", uwsgi_opt_binary_append_data, NULL, UWSGI_OPT_IMMEDIATE},
 	{"print", required_argument, 0, "simple print", uwsgi_opt_print, NULL, 0},
+	{"exit", optional_argument, 0, "force exit() of the instance", uwsgi_opt_exit, NULL, UWSGI_OPT_IMMEDIATE},
 	{"cflags", no_argument, 0, "report uWSGI CFLAGS (useful for building external plugins)", uwsgi_opt_cflags, NULL, UWSGI_OPT_IMMEDIATE},
 	{"dot-h", no_argument, 0, "dump the uwsgi.h used for building the core  (useful for building external plugins)", uwsgi_opt_dot_h, NULL, UWSGI_OPT_IMMEDIATE},
 	{"version", no_argument, 0, "print uWSGI version", uwsgi_opt_print, UWSGI_VERSION, 0},
@@ -878,140 +903,6 @@ void show_config(void) {
 
 }
 
-int uwsgi_manage_custom_option(struct uwsgi_custom_option *uco, char *key, char *value) {
-	int configured;
-	size_t i, count = 1;
-	size_t value_len = 0;
-	if (value)
-		value_len = strlen(value);
-	off_t pos = 0;
-	char **opt_argv;
-	char *tmp_val = NULL, *p = NULL;
-
-	if (strcmp(uco->name, key)) {
-		return 0;
-	}
-
-	// now count the number of args
-	for (i = 0; i < value_len; i++) {
-		if (value[i] == ' ') {
-			count++;
-		}
-	}
-
-	// allocate a tmp array
-	opt_argv = uwsgi_calloc(sizeof(char *) * count);
-	//make a copy of the value;
-	if (value_len > 0) {
-		tmp_val = uwsgi_str(value);
-		// fill the array of options
-		char *p, *ctx = NULL;
-		uwsgi_foreach_token(tmp_val, " ", p, ctx) {
-			opt_argv[pos] = p;
-			pos++;
-		}
-	}
-	else {
-		// no argument specified
-		opt_argv[0] = "";
-	}
-
-#ifdef UWSGI_DEBUG
-	uwsgi_log("found custom option %s with %d args\n", key, count);
-#endif
-
-	// now make a copy of the option template
-	char *tmp_opt = uwsgi_str(uco->value);
-	// split it
-	char *ctx = NULL;
-	uwsgi_foreach_token(tmp_opt, ";", p, ctx) {
-		char *equal = strchr(p, '=');
-		if (!equal)
-			goto clear;
-		*equal = '\0';
-
-		// build the key
-		char *new_key = uwsgi_str(p);
-		for (i = 0; i < count; i++) {
-			char *old_key = new_key;
-			char *tmp_num = uwsgi_num2str(i + 1);
-			char *placeholder = uwsgi_concat2((char *) "$", tmp_num);
-			free(tmp_num);
-			new_key = uwsgi_substitute(old_key, placeholder, opt_argv[i]);
-			if (new_key != old_key)
-				free(old_key);
-			free(placeholder);
-		}
-
-		// build the value
-		char *new_value = uwsgi_str(equal + 1);
-		for (i = 0; i < count; i++) {
-			char *old_value = new_value;
-			char *tmp_num = uwsgi_num2str(i + 1);
-			char *placeholder = uwsgi_concat2((char *) "$", tmp_num);
-			free(tmp_num);
-			new_value = uwsgi_substitute(old_value, placeholder, opt_argv[i]);
-			if (new_value != old_value)
-				free(old_value);
-			free(placeholder);
-		}
-retry:
-		configured = uwsgi_manage_opt(new_key, new_value);
-		if (!configured && uwsgi.autoload) {
-			if (uwsgi_try_autoload(new_key)) goto retry;
-		}
-	}
-
-clear:
-	free(tmp_val);
-	free(tmp_opt);
-	free(opt_argv);
-	return 1;
-
-}
-
-int uwsgi_manage_opt(char *key, char *value) {
-
-	struct uwsgi_option *op = uwsgi.options;
-	while (op->name) {
-		if (!strcmp(key, op->name)) {
-			op->func(key, value, op->data);
-			return 1;
-		}
-		op++;
-	}
-
-	struct uwsgi_custom_option *uco = uwsgi.custom_options;
-	while (uco) {
-		if (uwsgi_manage_custom_option(uco, key, value)) {
-			return 1;
-		}
-		uco = uco->next;
-	}
-	return 0;
-
-}
-
-void uwsgi_configure() {
-
-	int i;
-
-	// and now apply the remaining configs
-restart:
-	for (i = 0; i < uwsgi.exported_opts_cnt; i++) {
-		if (uwsgi.exported_opts[i]->configured)
-			continue;
-		uwsgi.dirty_config = 0;
-		uwsgi.exported_opts[i]->configured = uwsgi_manage_opt(uwsgi.exported_opts[i]->key, uwsgi.exported_opts[i]->value);
-		if (uwsgi.exported_opts[i]->configured == 0 && uwsgi.autoload) {
-			uwsgi.dirty_config = uwsgi_try_autoload(uwsgi.exported_opts[i]->key);
-		}
-		if (uwsgi.dirty_config)
-			goto restart;
-	}
-
-}
-
 void config_magic_table_fill(char *filename, char **magic_table) {
 
 	char *tmp = NULL;
@@ -1051,8 +942,11 @@ void config_magic_table_fill(char *filename, char **magic_table) {
 		fullname = minimal_name;
 	}
 
+	magic_table['b'] = uwsgi.binary_path;
 	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);
 	if (magic_table['d'][strlen(magic_table['d']) - 1] == '/') {
 		tmp = magic_table['d'] + (strlen(magic_table['d']) - 1);
@@ -1061,6 +955,23 @@ void config_magic_table_fill(char *filename, char **magic_table) {
 #endif
 		*tmp = 0;
 	}
+
+	// clear optional vars
+	magic_table['c'] = "";
+	magic_table['e'] = "";
+	magic_table['n'] = magic_table['s'];
+
+	magic_table['0'] = "";
+	magic_table['1'] = "";
+	magic_table['2'] = "";
+	magic_table['3'] = "";
+	magic_table['4'] = "";
+	magic_table['5'] = "";
+	magic_table['6'] = "";
+	magic_table['7'] = "";
+	magic_table['8'] = "";
+	magic_table['9'] = "";
+
 	if (uwsgi_get_last_char(magic_table['d'], '/')) {
 		magic_table['c'] = uwsgi_str(uwsgi_get_last_char(magic_table['d'], '/') + 1);
 		if (magic_table['c'][strlen(magic_table['c']) - 1] == '/') {
@@ -1084,16 +995,31 @@ void config_magic_table_fill(char *filename, char **magic_table) {
 	if (tmp)
 		*tmp = '/';
 
-	if (uwsgi_get_last_char(filename, '.'))
-		magic_table['e'] = uwsgi_get_last_char(filename, '.') + 1;
+	if (uwsgi_get_last_char(magic_table['s'], '.'))
+		magic_table['e'] = uwsgi_get_last_char(magic_table['s'], '.') + 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);
 
 reuse:
+	magic_table['x'] = "";
 	if (section) {
 		magic_table['x'] = section+1;
 		*section = ':';
 	}
+
+	// first round ?
+	if (!uwsgi.magic_table_first_round) { 
+		magic_table['O'] = magic_table['o'];
+                magic_table['D'] = magic_table['d'];
+                magic_table['S'] = magic_table['s'];
+                magic_table['P'] = magic_table['p'];
+                magic_table['C'] = magic_table['c'];
+                magic_table['E'] = magic_table['e'];
+                magic_table['N'] = magic_table['n'];
+                magic_table['X'] = magic_table['x'];
+		uwsgi.magic_table_first_round = 1;
+        }
+
 }
 
 int find_worker_id(pid_t pid) {
@@ -1473,6 +1399,15 @@ void what_i_am_doing() {
 
 
 int unconfigured_hook(struct wsgi_request *wsgi_req) {
+	if (wsgi_req->uh->modifier1 == 0 && !uwsgi.no_default_app) {
+		if (uwsgi_apps_cnt > 0 && wsgi_req->app_id > -1 && wsgi_req->app_id < uwsgi.max_apps) {
+			struct uwsgi_app *ua = &uwsgi_apps[wsgi_req->app_id];
+			if (uwsgi.p[ua->modifier1]->request != unconfigured_hook) {
+				wsgi_req->uh->modifier1 = ua->modifier1;
+				return uwsgi.p[ua->modifier1]->request(wsgi_req);
+			}
+		}
+	}
 	uwsgi_log("-- unavailable modifier requested: %d --\n", wsgi_req->uh->modifier1);
 	return -1;
 }
@@ -1958,6 +1893,9 @@ int main(int argc, char *argv[], char *envp[]) {
 
 	init_magic_table(uwsgi.magic_table);
 
+	// initialize schemes
+	uwsgi_setup_schemes();
+
 	// initialize the clock
 	uwsgi_register_clock(&uwsgi_unix_clock);
 	uwsgi_set_clock("unix");
@@ -2113,6 +2051,9 @@ int main(int argc, char *argv[], char *envp[]) {
 	// ok, the options dictionary is available, lets manage it
 	uwsgi_configure();
 
+	// fixup cwd
+	if (uwsgi.force_cwd) uwsgi.cwd = uwsgi.force_cwd;
+
 	// run "asap" hooks
 	uwsgi_hooks_run(uwsgi.hook_asap, "asap", 1);
         struct uwsgi_string_list *usl = NULL;
@@ -2385,7 +2326,7 @@ int main(int argc, char *argv[], char *envp[]) {
 
 
 	// TODO pluginize basic Linux namespace support
-#ifdef __linux__
+#if defined(__linux__) && !defined(__ia64__)
 	if (uwsgi.ns) {
 		linux_namespace_start((void *) uwsgi.argv);
 		// never here
@@ -2393,7 +2334,7 @@ int main(int argc, char *argv[], char *envp[]) {
 	else {
 #endif
 		uwsgi_start((void *) uwsgi.argv);
-#ifdef __linux__
+#if defined(__linux__) && !defined(__ia64__)
 	}
 #endif
 
@@ -2410,9 +2351,11 @@ int uwsgi_start(void *v_argv) {
 #ifdef __linux__
 	uwsgi_set_cgroup();
 
+#if !defined(__ia64__)
 	if (uwsgi.ns) {
 		linux_namespace_jail();
 	}
+#endif
 #endif
 
 	uwsgi_hooks_run(uwsgi.hook_in_jail, "in-jail", 1);
@@ -2576,7 +2519,7 @@ int uwsgi_start(void *v_argv) {
 
 	if (uwsgi.async > 1) {
 		if ((unsigned long) uwsgi.max_fd < (unsigned long) uwsgi.async) {
-			uwsgi_log("- your current max open files limit is %lu, this is lower than requested async cores !!! -\n", (unsigned long) uwsgi.max_fd);
+			uwsgi_log_initial("- your current max open files limit is %lu, this is lower than requested async cores !!! -\n", (unsigned long) uwsgi.max_fd);
 			uwsgi.rl.rlim_cur = uwsgi.async;
 			uwsgi.rl.rlim_max = uwsgi.async;
 			if (!setrlimit(RLIMIT_NOFILE, &uwsgi.rl)) {
@@ -2588,7 +2531,7 @@ int uwsgi_start(void *v_argv) {
 				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_log_initial("- async cores set to %d - fd table size: %d\n", uwsgi.async, (int) uwsgi.max_fd);
 		// optimization, this array maps file descriptor to requests
 		uwsgi.async_waiting_fd_table = uwsgi_calloc(sizeof(struct wsgi_request *) * uwsgi.max_fd);
 		uwsgi.async_proto_fd_table = uwsgi_calloc(sizeof(struct wsgi_request *) * uwsgi.max_fd);
@@ -2599,16 +2542,16 @@ int uwsgi_start(void *v_argv) {
 #endif
 
 	if (uwsgi.vhost) {
-		uwsgi_log("VirtualHosting mode enabled.\n");
+		uwsgi_log_initial("VirtualHosting mode enabled.\n");
 	}
 
 	// setup locking
 	uwsgi_setup_locking();
 	if (uwsgi.use_thunder_lock) {
-		uwsgi_log("thunder lock: enabled\n");
+		uwsgi_log_initial("thunder lock: enabled\n");
 	}
 	else {
-		uwsgi_log("thunder lock: disabled (you can enable it with --thunder-lock)\n");
+		uwsgi_log_initial("thunder lock: disabled (you can enable it with --thunder-lock)\n");
 	}
 
 	// allocate rpc structures
@@ -2763,7 +2706,8 @@ int uwsgi_start(void *v_argv) {
 		!uwsgi.emperor &&
 		!uwsgi.command_mode &&
 		!uwsgi.daemons_cnt &&
-		!uwsgi.crons
+		!uwsgi.crons &&
+		!uwsgi.emperor_proxy
 #ifdef UWSGI_SSL
 && !uwsgi.legions
 #endif
@@ -3104,6 +3048,7 @@ next2:
 		}
 	}
 
+
 	// END OF INITIALIZATION
 
 	// !!! from now on, we could be in the master or in a worker !!!
@@ -3442,7 +3387,26 @@ void build_options() {
 			pos += c;
 		}
 	}
-	// custom_options are not added to uwsgi.options
+
+	uco = uwsgi.custom_options;
+        while (uco) {
+                uwsgi.options[pos].name = uco->name;
+                if (uco->has_args) {
+                        uwsgi.options[pos].type = required_argument;
+                }
+                else {
+                        uwsgi.options[pos].type = no_argument;
+                }
+                // custom options should be immediate
+                uwsgi.options[pos].flags = UWSGI_OPT_IMMEDIATE;
+                // help shows the option definition
+                uwsgi.options[pos].help = uco->value;
+                uwsgi.options[pos].data = uco;
+                uwsgi.options[pos].func = uwsgi_opt_custom;
+
+                pos++;
+                uco = uco->next;
+        }
 
 
 	pos = 0;
@@ -3481,21 +3445,6 @@ void build_options() {
 		op++;
 		pos++;
 	}
-	uco = uwsgi.custom_options;
-	while (uco) {
-		uwsgi.long_options[pos].name = uco->name;
-		if (uco->has_args) {
-			uwsgi.long_options[pos].has_arg = required_argument;
-		}
-		else {
-			uwsgi.long_options[pos].has_arg = no_argument;
-		}
-		uwsgi.long_options[pos].flag = 0;
-		// add 1000 to avoid short_options collision
-		uwsgi.long_options[pos].val = 1000 + pos;
-		pos++;
-		uco = uco->next;
-	}
 }
 
 /*
@@ -3922,6 +3871,13 @@ void uwsgi_opt_add_socket(char *opt, char *value, void *protocol) {
 	uwsgi_sock->proto_name = protocol;
 }
 
+void uwsgi_opt_add_socket_no_defer(char *opt, char *value, void *protocol) {
+        struct uwsgi_socket *uwsgi_sock = uwsgi_new_socket(generate_socket_name(value));
+        uwsgi_sock->name_len = strlen(uwsgi_sock->name);
+        uwsgi_sock->proto_name = protocol;
+	uwsgi_sock->no_defer = 1;
+}
+
 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;
@@ -3930,7 +3886,7 @@ void uwsgi_opt_add_lazy_socket(char *opt, char *value, void *protocol) {
 }
 
 
-void uwsgi_opt_set_placeholder(char *opt, char *value, void *none) {
+void uwsgi_opt_set_placeholder(char *opt, char *value, void *ph) {
 
 	char *p = strchr(value, '=');
 	if (!p) {
@@ -3939,7 +3895,7 @@ void uwsgi_opt_set_placeholder(char *opt, char *value, void *none) {
 	}
 
 	p[0] = 0;
-	add_exported_option(uwsgi_str(value), p + 1, 1);
+	add_exported_option_do(uwsgi_str(value), p + 1, 0, ph ? 1 : 0);
 	p[0] = '=';
 
 }
@@ -3997,6 +3953,14 @@ void uwsgi_opt_set_umask(char *opt, char *value, void *mode) {
 
 }
 
+void uwsgi_opt_exit(char *opt, char *value, void *none) {
+	int exit_code = 1;
+	if (value) {
+		exit_code = atoi(value);
+	}
+	exit(exit_code);
+}
+
 void uwsgi_opt_print(char *opt, char *value, void *str) {
 	if (str) {
 		fprintf(stdout, "%s\n", (char *) str);
@@ -4021,7 +3985,18 @@ void uwsgi_opt_set_gid(char *opt, char *value, void *none) {
 
 #ifdef UWSGI_CAP
 void uwsgi_opt_set_cap(char *opt, char *value, void *none) {
-	uwsgi_build_cap(value);
+	uwsgi.cap_count = uwsgi_build_cap(value, &uwsgi.cap);
+	if (uwsgi.cap_count == 0) {
+		uwsgi_log("[security] empty capabilities mask !!!\n");
+		exit(1);
+	}
+}
+void uwsgi_opt_set_emperor_cap(char *opt, char *value, void *none) {
+	uwsgi.emperor_cap_count = uwsgi_build_cap(value, &uwsgi.emperor_cap);
+	if (uwsgi.emperor_cap_count == 0) {
+		uwsgi_log("[security] empty capabilities mask !!!\n");
+		exit(1);
+	}
 }
 #endif
 #ifdef __linux__
@@ -4291,39 +4266,45 @@ void uwsgi_opt_deprecated(char *opt, char *value, void *message) {
 
 void uwsgi_opt_load(char *opt, char *filename, void *none) {
 
+	// here we need to avoid setting upper magic vars
+	int orig_magic = uwsgi.magic_table_first_round;
+	uwsgi.magic_table_first_round = 1;
+
 	if (uwsgi_endswith(filename, ".ini")) {
 		uwsgi_opt_load_ini(opt, filename, none);
-		return;
+		goto end;
 	}
 #ifdef UWSGI_XML
 	if (uwsgi_endswith(filename, ".xml")) {
 		uwsgi_opt_load_xml(opt, filename, none);
-		return;
+		goto end;
 	}
 #endif
 #ifdef UWSGI_YAML
 	if (uwsgi_endswith(filename, ".yaml")) {
 		uwsgi_opt_load_yml(opt, filename, none);
-		return;
+		goto end;
 	}
 	if (uwsgi_endswith(filename, ".yml")) {
 		uwsgi_opt_load_yml(opt, filename, none);
-		return;
+		goto end;
 	}
 #endif
 #ifdef UWSGI_JSON
 	if (uwsgi_endswith(filename, ".json")) {
 		uwsgi_opt_load_json(opt, filename, none);
-		return;
+		goto end;
 	}
 	if (uwsgi_endswith(filename, ".js")) {
 		uwsgi_opt_load_json(opt, filename, none);
-		return;
+		goto end;
 	}
 #endif
 
 	// fallback to pluggable system
 	uwsgi_opt_load_config(opt, filename, none);
+end:
+	uwsgi.magic_table_first_round = orig_magic;
 }
 
 void uwsgi_opt_logic(char *opt, char *arg, void *func) {
@@ -4572,3 +4553,23 @@ void uwsgi_update_pidfiles() {
 		uwsgi_write_pidfile(uwsgi.pidfile2);
 	}
 }
+
+void uwsgi_opt_binary_append_data(char *opt, char *value, void *none) {
+
+	size_t size;
+	char *buf = uwsgi_open_and_read(value, &size, 0, NULL);
+
+	uint64_t file_len = size;
+
+	if (write(1, buf, size) != (ssize_t) size) {
+		uwsgi_error("uwsgi_opt_binary_append_data()/write()");
+		exit(1);
+	}
+
+	if (write(1, &file_len, 8) != 8) {
+		uwsgi_error("uwsgi_opt_binary_append_data()/write()");
+		exit(1);
+	}
+
+	exit(0);
+}

core/xmlconf.c

@@ -151,6 +151,8 @@ void uwsgi_xml_config(char *filename, struct wsgi_request *wsgi_req, char *magic
 	}
 	/* We can safely free resources */
 
+	if (colon) colon[0] = ':';
+
 	xmlFreeDoc(doc);
 	xmlCleanupParser();
 
@@ -267,6 +269,7 @@ void uwsgi_xml_config(char *filename, struct wsgi_request *wsgi_req, char *magic
 
 	} while (!done);
 
+	if (colon) colon[0] = ':';
 
 	// we can safely free, as we have a copy of datas
 	XML_ParserFree(parser);

core/yaml.c

@@ -280,6 +280,7 @@ next:
 	}
 #endif
 
+	if (colon) colon[0] = ':';
 
 }
 

core/zlib.c

@@ -123,12 +123,13 @@ int uwsgi_gzip_fix(z_stream *z, uint32_t crc32, struct uwsgi_buffer *ub, size_t
         if (!gzipped0) goto end;
 	if (uwsgi_buffer_append(ub, gzipped0, dlen0)) goto end;
 	free(gzipped0);
-	if (uwsgi_buffer_u32le(ub, crc32)) goto end;
-        if (uwsgi_buffer_u32le(ub, len)) goto end;
+	if (uwsgi_buffer_u32le(ub, crc32)) goto end2;
+        if (uwsgi_buffer_u32le(ub, len)) goto end2;
 	deflateEnd(z);
 	return 0;
 end:
 	if (gzipped0) free(gzipped0);
+end2:
 	deflateEnd(z);
 	return -1;
 }

plugins/cheaper_backlog2/cheaper_backlog2.c

@@ -13,7 +13,7 @@
 
 extern struct uwsgi_server uwsgi;
 
-int cheaper_backlog2_algo(void) {
+int cheaper_backlog2_algo(int can_spawn) {
 
         int i;
 #ifdef __linux__
@@ -22,7 +22,9 @@ int cheaper_backlog2_algo(void) {
         int backlog = 0;
 #endif
 
-        if (backlog > (int)uwsgi.cheaper_overload) {
+        // if can_spawn == 0 we cannot spawn any new worker
+        // this is set to 1 if --cheaper-rss-limit-* options are used and running workers are exceeding resources limit
+        if (can_spawn && backlog > (int)uwsgi.cheaper_overload) {
                 // activate the first available worker (taking step into account)
                 int decheaped = 0;
                 // search for cheaped workers

plugins/cheaper_busyness/cheaper_busyness.c

@@ -142,7 +142,7 @@ int spawn_emergency_worker(int backlog) {
 #endif
 
 
-int cheaper_busyness_algo(void) {
+int cheaper_busyness_algo(int can_spawn) {
 
 	int i;
 	// we use microseconds
@@ -243,11 +243,12 @@ int cheaper_busyness_algo(void) {
 			uwsgi_cheaper_busyness_global.tolerance_counter = 0;
 
 			int decheaped = 0;
-			for (i = 1; i <= uwsgi.numproc; i++) {
-				
-				if (uwsgi.workers[i].cheaped == 1 && uwsgi.workers[i].pid == 0) {
-					decheaped++;
-					if (decheaped >= uwsgi.cheaper_step) break;
+			if (can_spawn) {
+				for (i = 1; i <= uwsgi.numproc; i++) {
+					if (uwsgi.workers[i].cheaped == 1 && uwsgi.workers[i].pid == 0) {
+						decheaped++;
+						if (decheaped >= uwsgi.cheaper_step) break;
+					}
 				}
 			}
 
@@ -271,15 +272,15 @@ int cheaper_busyness_algo(void) {
 				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] %llus average busyness is at %llu%% but we already started maximum number of workers (%d)\n",
-					uwsgi.cheaper_overload, avg_busyness, uwsgi.numproc);
+				uwsgi_log("[busyness] %llus average busyness is at %llu%% but we already started maximum number of workers available with current limits (%d)\n",
+					uwsgi.cheaper_overload, avg_busyness, active_workers);
 			}
 
 			// return the maximum number of workers to spawn
 			return decheaped;
 
 #ifdef __linux__
-		} else if (backlog > uwsgi_cheaper_busyness_global.backlog_alert && active_workers < uwsgi.numproc) {
+		} else if (can_spawn && backlog > uwsgi_cheaper_busyness_global.backlog_alert && active_workers < uwsgi.numproc) {
 			return spawn_emergency_worker(backlog);
 #endif
 
@@ -347,14 +348,14 @@ int cheaper_busyness_algo(void) {
 	}
 
 #ifdef __linux__
-	else if (backlog > uwsgi_cheaper_busyness_global.backlog_alert && active_workers < uwsgi.numproc) {
+	else if (can_spawn && backlog > uwsgi_cheaper_busyness_global.backlog_alert && active_workers < uwsgi.numproc) {
 		// we check for backlog overload every cycle
 		return spawn_emergency_worker(backlog);
 	}
 	else if (backlog > 0) {
 		if (uwsgi_cheaper_busyness_global.backlog_is_nonzero) {
 			// backlog was > 0 last time, check timestamp and spawn workers if needed
-			if ((now - uwsgi_cheaper_busyness_global.backlog_nonzero_since)/1000000 >= uwsgi_cheaper_busyness_global.backlog_nonzero_alert) {
+			if (can_spawn && (now - uwsgi_cheaper_busyness_global.backlog_nonzero_since)/1000000 >= uwsgi_cheaper_busyness_global.backlog_nonzero_alert) {
 				uwsgi_log("[busyness] backlog was non-zero for %llu second(s), spawning new worker(s)\n", (now - uwsgi_cheaper_busyness_global.backlog_nonzero_since)/1000000);
 				uwsgi_cheaper_busyness_global.backlog_nonzero_since = now;
 				return spawn_emergency_worker(backlog);
@@ -391,4 +392,3 @@ struct uwsgi_plugin cheaper_busyness_plugin = {
 	.options = uwsgi_cheaper_busyness_options,
 	
 };
-

plugins/forkptyrouter/forkptyrouter.c

@@ -2,6 +2,13 @@
 
    uWSGI forkpty-router
 
+   can use the uwsgi protocol, modifier2 means:
+
+	0 -> stdin
+	1-99 -> UNIX signal
+	100 -> window rows (pktsize is the window size)
+	101 -> window cols (pktsize is the window size)
+
 */
 
 #include <uwsgi.h>
@@ -9,9 +16,9 @@
 
 extern struct uwsgi_server uwsgi;
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__GNU_kFreeBSD__)
 #include <pty.h>
-#elif defined(__APPLE__) || defined(__OpenBSD__)
+#elif defined(__APPLE__) || defined(__OpenBSD__) || defined(__NetBSD__)
 #include <util.h>
 #elif defined(__FreeBSD__)
 #include <libutil.h>
@@ -24,22 +31,45 @@ extern struct uwsgi_server uwsgi;
 static struct uwsgi_forkptyrouter {
 	struct uwsgi_corerouter cr;
 	char *cmd;
+	uint16_t win_rows;
+	uint16_t win_cols;
 } ufpty;
 
 extern struct uwsgi_server uwsgi;
 
 struct forkptyrouter_session {
 	struct corerouter_session session;
+	// use the uwsgi protocol ?
+	int uwsgi;
+	size_t restore_size;
+	struct winsize w;
 	pid_t pid;
 };
 
+static void uwsgi_opt_forkpty_urouter(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;
+	ugs->mode = 1;
+        ucr->has_sockets++;
+}
+
+
 static struct uwsgi_option forkptyrouter_options[] = {
 	{"forkptyrouter", required_argument, 0, "run the forkptyrouter on the specified address", uwsgi_opt_undeferred_corerouter, &ufpty, 0},
 	{"forkpty-router", required_argument, 0, "run the forkptyrouter on the specified address", uwsgi_opt_undeferred_corerouter, &ufpty, 0},
+
+	{"forkptyurouter", required_argument, 0, "run the forkptyrouter on the specified address", uwsgi_opt_forkpty_urouter, &ufpty, 0},
+	{"forkpty-urouter", required_argument, 0, "run the forkptyrouter on the specified address", uwsgi_opt_forkpty_urouter, &ufpty, 0},
+
 	{"forkptyrouter-command", required_argument, 0, "run the specified command on every connection (default: /bin/sh)", uwsgi_opt_set_str, &ufpty.cmd, 0},
 	{"forkpty-router-command", required_argument, 0, "run the specified command on every connection (default: /bin/sh)", uwsgi_opt_set_str, &ufpty.cmd, 0},
 	{"forkptyrouter-cmd", required_argument, 0, "run the specified command on every connection (default: /bin/sh)", uwsgi_opt_set_str, &ufpty.cmd, 0},
 	{"forkpty-router-cmd", required_argument, 0, "run the specified command on every connection (default: /bin/sh)", uwsgi_opt_set_str, &ufpty.cmd, 0},
+
+	{"forkptyrouter-rows", required_argument, 0, "set forkptyrouter default pty window rows", uwsgi_opt_set_16bit, &ufpty.win_rows, 0},
+	{"forkptyrouter-cols", required_argument, 0, "set forkptyrouter default pty window cols", uwsgi_opt_set_16bit, &ufpty.win_cols, 0},
+
 	{"forkptyrouter-processes", required_argument, 0, "prefork the specified number of forkptyrouter processes", uwsgi_opt_set_int, &ufpty.cr.processes, 0},
 	{"forkptyrouter-workers", required_argument, 0, "prefork the specified number of forkptyrouter processes", uwsgi_opt_set_int, &ufpty.cr.processes, 0},
 	{"forkptyrouter-zerg", required_argument, 0, "attach the forkptyrouter to a zerg server", uwsgi_opt_corerouter_zerg, &ufpty, 0},
@@ -61,6 +91,7 @@ static struct uwsgi_option forkptyrouter_options[] = {
 
 // write to backend
 static ssize_t fpty_instance_write(struct corerouter_peer *peer) {
+	struct forkptyrouter_session *fpty_session = (struct forkptyrouter_session *) peer->session;
 	ssize_t len = cr_write(peer, "fpty_instance_write()");
 	// end on empty write
 	if (!len) return 0;
@@ -68,7 +99,13 @@ static ssize_t fpty_instance_write(struct corerouter_peer *peer) {
 	// the chunk has been sent, start (again) reading from client and instances
 	if (cr_write_complete(peer)) {
 		// reset the buffer
-		peer->out->pos = 0;
+		if (fpty_session->uwsgi) {
+			if (uwsgi_buffer_decapitate(peer->out, peer->out->pos)) return -1;
+			peer->out->pos = fpty_session->restore_size;
+		}
+		else {
+			peer->out->pos = 0;
+		}
 		cr_reset_hooks(peer);
 	}
 
@@ -91,6 +128,42 @@ static ssize_t fpty_write(struct corerouter_peer *main_peer) {
 	return len;
 }
 
+static ssize_t fpty_parse_uwsgi(struct corerouter_peer *peer) {
+	
+	struct forkptyrouter_session *fpty_session = (struct forkptyrouter_session *) peer->session;
+	for(;;) {
+	if (peer->in->pos < 4) return 0;
+	struct uwsgi_header *uh = (struct uwsgi_header *) peer->in->buf;
+	uint16_t pktsize = uh->pktsize;
+	switch(uh->modifier2) {
+		case 0:
+			// stdin
+			if ((size_t) (pktsize+4) > peer->in->pos) return 0;
+			if (uwsgi_buffer_decapitate(peer->in, 4)) return -1;
+			return pktsize;		
+		case 100:	
+			if (uwsgi_buffer_decapitate(peer->in, 4)) return -1;
+			fpty_session->w.ws_row = pktsize;
+			ioctl(peer->session->peers->fd, TIOCSWINSZ, &fpty_session->w);
+			// rows
+			break;
+		case 101:
+			if (uwsgi_buffer_decapitate(peer->in, 4)) return -1;
+			fpty_session->w.ws_col = pktsize;
+			ioctl(peer->session->peers->fd, TIOCSWINSZ, &fpty_session->w);
+			// cols
+			break;
+		default:
+			if (uwsgi_buffer_decapitate(peer->in, 4)) return -1;
+			// send signal
+			kill(fpty_session->pid, uh->modifier2);
+			break;
+	}
+	}
+
+	return 0;
+}
+
 // read from backend
 static ssize_t fpty_instance_read(struct corerouter_peer *peer) {
 	ssize_t len = cr_read(peer, "fpty_instance_read()");
@@ -106,10 +179,22 @@ static ssize_t fpty_instance_read(struct corerouter_peer *peer) {
 
 // read from client
 static ssize_t fpty_read(struct corerouter_peer *main_peer) {
+        struct forkptyrouter_session *fpty_session = (struct forkptyrouter_session *) main_peer->session;
 	ssize_t len = cr_read(main_peer, "fpty_read()");
 	if (!len) return 0;
 
-	main_peer->session->peers->out = main_peer->in;
+	if (fpty_session->uwsgi) {
+		ssize_t rlen = fpty_parse_uwsgi(main_peer);
+		if (rlen < 0) return -1;
+		if (rlen == 0) return 1;
+
+		fpty_session->restore_size = main_peer->in->pos - rlen;	
+		main_peer->session->peers->out = main_peer->in;
+		main_peer->session->peers->out->pos = rlen;
+	}
+	else {
+		main_peer->session->peers->out = main_peer->in;
+	}
 	main_peer->session->peers->out_pos = 0;
 
 	cr_write_to_backend(main_peer->session->peers, fpty_instance_write);
@@ -137,12 +222,19 @@ static int forkptyrouter_alloc_session(struct uwsgi_corerouter *ucr, struct uwsg
 	cs->close = fpty_session_close;
 
 	struct forkptyrouter_session *fpty_session = (struct forkptyrouter_session *) cs;
+	if (ugs->mode == 1) {
+		fpty_session->uwsgi = 1;
+	}
+
+	// default terminal size
+	fpty_session->w.ws_row = ufpty.win_rows ? ufpty.win_rows : 24;
+	fpty_session->w.ws_col = ufpty.win_cols ? ufpty.win_cols : 80;
 
 	// add a new peer
 	struct corerouter_peer *peer = uwsgi_cr_peer_add(cs);
 
 	// on new connection generate a new pty
-	fpty_session->pid = forkpty(&peer->fd, NULL, NULL, NULL);
+	fpty_session->pid = forkpty(&peer->fd, NULL, NULL, &fpty_session->w);
 	if (fpty_session->pid < 0) {
 		uwsgi_error("forkpty()");
 		return -1;
@@ -156,23 +248,23 @@ static int forkptyrouter_alloc_session(struct uwsgi_corerouter *ucr, struct uwsg
 				argv[1] = "-c";	
 				argv[2] = ufpty.cmd;	
 				argv[3] = NULL;	
-				execve(argv[0], argv, uwsgi.environ);
+				execv(argv[0], argv);
 			}
 			else {
 				char *argv[2];
 				argv[0] = ufpty.cmd;
 				argv[1] = NULL;	
-				execve(argv[0], argv, uwsgi.environ);
+				execv(argv[0], argv);
 			}
 		}
 		else {
 			char *argv[2];
 			argv[0] = "/bin/sh";
 			argv[1] = NULL;	
-			execve(argv[0], argv, uwsgi.environ);
+			execv(argv[0], argv);
 		}
 		// never here;
-		uwsgi_error("forkptyrouter_alloc_session()/execve()");
+		uwsgi_error("forkptyrouter_alloc_session()/execv()");
 		exit(1);
 	}
 

plugins/jvm/uwsgiplugin.py

@@ -7,12 +7,14 @@ JVM_INCPATH = None
 JVM_LIBPATH = None
 
 operating_system = os.uname()[0].lower()
-arch = os.uname()[4]
+arch = os.uname()[4].lower()
 
 if arch in ('i686', 'x86', 'x86_32'):
     arch = 'i386'
 elif arch in ('x86_64',):
     arch = 'amd64'
+elif arch.startswith('arm'):
+    arch = 'arm'
 
 # try to detect the JVM
 if operating_system == 'darwin':

plugins/libffi/libffi.c

@@ -0,0 +1,71 @@
+#include <uwsgi.h>
+#include <ffi.h>
+
+ffi_type *uwsgi_libffi_get_type(char *what, size_t *skip) {
+	if (!uwsgi_startswith(what, "int:", 4)) { *skip = 4; return &ffi_type_sint32;}
+	if (!uwsgi_startswith(what, "sint:", 5)) { *skip = 5; return &ffi_type_sint32;}
+	if (!uwsgi_startswith(what, "uint:", 5)) { *skip = 5;return &ffi_type_uint32;}
+	return &ffi_type_pointer;
+}
+
+void *uwsgi_libffi_get_value(char *what, ffi_type *t) {
+	if (t == &ffi_type_sint32) {
+		int32_t *num = uwsgi_malloc(sizeof(int32_t));
+		*num = atoi(what);
+		return num;
+	}
+	return NULL;
+}
+
+static int uwsgi_libffi_hook(char *arg) {
+	size_t argc = 0;
+	size_t i;
+	char **argv = uwsgi_split_quoted(arg, strlen(arg), " \t", &argc);
+	if (!argc) goto end;
+	
+	void *func = dlsym(RTLD_DEFAULT, argv[0]);
+	if (!func) goto destroy;
+
+	ffi_cif cif;
+	ffi_type **args_type = (ffi_type **) uwsgi_malloc(sizeof(ffi_type) * (argc-1));
+	void **values = uwsgi_malloc(sizeof(void*) * (argc-1));
+	for(i=1;i<argc;i++) {
+		size_t skip = 0;
+		args_type[i-1] = uwsgi_libffi_get_type(argv[i], &skip);
+		void *v = uwsgi_libffi_get_value(argv[i] + skip, args_type[i-1]);
+		values[i-1] = v ? v : &argv[i];
+		uwsgi_log("%d = %s %p\n", i, argv[i], values[i-1]);
+	}
+
+	if (ffi_prep_cif(&cif, FFI_DEFAULT_ABI, argc-1, &ffi_type_sint64, args_type) == FFI_OK) {
+		int64_t rc = 0;
+		uwsgi_log("ready to call\n");
+		ffi_call(&cif, func, &rc, values); 
+	}
+
+	uwsgi_log("ready to call2\n");
+	for(i=0;i<(argc-1);i++) {
+		char **ptr = (char **) values[i];
+		if (*ptr != argv[i+1]) {
+			free(values[i]);
+		}
+	}
+	free(args_type);
+	free(values);
+destroy:
+	for(i=0;i<argc;i++) {
+		free(argv[i]);
+	}
+end:
+	free(argv);
+	return -1;
+}
+
+static void uwsgi_libffi_setup() {
+	uwsgi_register_hook("ffi", uwsgi_libffi_hook);
+}
+
+struct uwsgi_plugin libffi_plugin = {
+	.name = "libffi",
+	.on_load = uwsgi_libffi_setup,
+};

plugins/libffi/uwsgiplugin.py

@@ -0,0 +1,5 @@
+NAME='libffi'
+CFLAGS=[]
+LDFLAGS=[]
+LIBS=['-lffi']
+GCC_LIST=['libffi']

plugins/mono/mono_plugin.c

@@ -84,6 +84,7 @@ struct uwsgi_option uwsgi_mono_options[] = {
         {"mono-assembly", required_argument, 0, "load the specified main assembly (default: uwsgi.dll)", uwsgi_opt_set_str, &umono.assembly_name, 0},
         {"mono-exec", required_argument, 0, "exec the specified assembly just before app loading", uwsgi_opt_add_string_list, &umono.exec, 0},
         {"mono-index", required_argument, 0, "add an asp.net index file", uwsgi_opt_add_string_list, &umono.index, 0},
+	{0, 0, 0, 0, 0, 0, 0},
 };
 
 static MonoString *uwsgi_mono_method_GetFilePath(MonoObject *this) {

plugins/psgi/psgi.h

@@ -53,6 +53,11 @@ struct uwsgi_perl {
 
 	struct uwsgi_string_list *exec;
 	struct uwsgi_string_list *exec_post_fork;
+
+	int auto_reload;
+	time_t last_auto_reload;
+	struct uwsgi_string_list *auto_reload_ignore;
+	HV *auto_reload_hash;
 };
 
 void init_perl_embedded_module(void);
@@ -70,3 +75,5 @@ PerlInterpreter *uwsgi_perl_new_interpreter(void);
 int uwsgi_perl_mule(char *);
 void uwsgi_perl_run_hook(SV *);
 void uwsgi_perl_exec(char *);
+
+void uwsgi_perl_check_auto_reload(void);

plugins/psgi/psgi_loader.c

@@ -260,7 +260,6 @@ static void uwsgi_perl_free_stashes(void) {
 
 int init_psgi_app(struct wsgi_request *wsgi_req, char *app, uint16_t app_len, PerlInterpreter **interpreters) {
 
-	struct stat st;
 	int i;
 	SV **callables;
 
@@ -268,31 +267,14 @@ int init_psgi_app(struct wsgi_request *wsgi_req, char *app, uint16_t app_len, Pe
 
 	char *app_name = uwsgi_concat2n(app, app_len, "", 0);
 
-	// prepare for $0
-	uperl.embedding[1] = app_name;
-		
-	int fd = open(app_name, O_RDONLY);
-	if (fd < 0) {
-		uwsgi_error_open(app_name);
-		goto clear2;
-	}
+	size_t size;
+	char *buf = uwsgi_open_and_read(app_name, &size, 1, NULL);
 
-	if (fstat(fd, &st)) {
-		uwsgi_error("fstat()");
-		close(fd);
-		goto clear2;
+	if (uwsgi_file_exists(app_name)) {
+		// prepare for $0 (if the file is local)
+		uperl.embedding[1] = app_name;
 	}
 
-	char *buf = uwsgi_calloc(st.st_size+1);
-	if (read(fd, buf, st.st_size) != st.st_size) {
-		uwsgi_error("read()");
-		close(fd);
-		free(buf);
-		goto clear2;
-	}
-
-	close(fd);
-
 	// the first (default) app, should always be loaded in the main interpreter
 	if (interpreters == NULL) {
 		if (uwsgi_apps_cnt) {
@@ -309,10 +291,7 @@ int init_psgi_app(struct wsgi_request *wsgi_req, char *app, uint16_t app_len, Pe
 		}		
 	}
 
-	if (!interpreters) {
-		goto clear2;
-	}
-
+	if (!interpreters) goto clear2;
 
 	callables = uwsgi_calloc(sizeof(SV *) * uwsgi.threads);
 	uperl.tmp_streaming_stash = uwsgi_calloc(sizeof(HV *) * uwsgi.threads);

plugins/psgi/psgi_plugin.c

@@ -23,10 +23,60 @@ struct uwsgi_option uwsgi_perl_options[] = {
         {"perl-arg", required_argument, 0, "add an item to @ARGV", uwsgi_opt_add_string_list, &uperl.argv_item, 0},
         {"perl-exec", required_argument, 0, "exec the specified perl file before fork()", uwsgi_opt_add_string_list, &uperl.exec, 0},
         {"perl-exec-post-fork", required_argument, 0, "exec the specified perl file after fork()", uwsgi_opt_add_string_list, &uperl.exec_post_fork, 0},
+        {"perl-auto-reload", required_argument, 0, "enable perl auto-reloader with the specified frequency", uwsgi_opt_set_int, &uperl.auto_reload, UWSGI_OPT_MASTER},
+        {"perl-auto-reload-ignore", required_argument, 0, "ignore the specified files when auto-reload is enabled", uwsgi_opt_add_string_list, &uperl.auto_reload_ignore, UWSGI_OPT_MASTER},
         {0, 0, 0, 0, 0, 0, 0},
 
 };
 
+int uwsgi_perl_check_mtime(time_t now, HV *list, SV *key) {
+	// insert item with the current time
+	if (!hv_exists_ent(list, key, 0)) {
+		// useless if...
+		if (hv_store_ent(list, key, newSViv(now), 0)) return 0;
+	}
+	else {
+		// compare mtime
+		struct stat st;
+		if (stat(SvPV_nolen(key), &st)) return 0;
+		HE *mtime = hv_fetch_ent(list, key, 0, 0);
+		if (!mtime) return 0;
+		if (st.st_mtime > SvIV(HeVAL(mtime))) {
+			uwsgi_log_verbose("[perl-auto-reloader] %s has been modified !!!\n", SvPV_nolen(key));
+			kill(uwsgi.workers[0].pid, SIGHUP);
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+void uwsgi_perl_check_auto_reload() {
+	time_t now = uwsgi_now();
+	HE *he;
+	if (!uperl.auto_reload_hash) {
+		uperl.auto_reload_hash = newHV();
+		// useless return value
+		if (!SvREFCNT_inc(uperl.auto_reload_hash)) return;
+	}
+	GV *gv_inc = gv_fetchpv("INC", TRUE, SVt_PV);
+	if (!gv_inc) return;
+	HV *inc = GvHV(gv_inc);
+	hv_iterinit(inc);
+	while((he = hv_iternext(inc))) {
+		SV *filename = hv_iterval(inc, he);
+		struct uwsgi_string_list *usl;
+		int found = 0;
+		uwsgi_foreach(usl, uperl.auto_reload_ignore) {
+			if (!strcmp(usl->value, SvPV_nolen(filename))) {
+				found = 1; break;
+			}
+		}	
+		if (found) continue;
+		if (uwsgi_perl_check_mtime(now, uperl.auto_reload_hash, filename)) return;
+	}
+}
+
 SV *uwsgi_perl_obj_new(char *class, size_t class_len) {
 
 	SV *newobj;
@@ -563,6 +613,14 @@ void uwsgi_perl_after_request(struct wsgi_request *wsgi_req) {
 	// clear the env
 	SvREFCNT_dec(wsgi_req->async_environ);
 
+	// now we can check for changed files
+        if (uperl.auto_reload) {
+                time_t now = uwsgi_now();
+                if (now - uperl.last_auto_reload > uperl.auto_reload) {
+                        uwsgi_perl_check_auto_reload();
+                }
+        }
+
 }
 
 int uwsgi_perl_magic(char *mountpoint, char *lazy) {

plugins/psgi/psgi_response.c

@@ -78,8 +78,14 @@ int psgi_response(struct wsgi_request *wsgi_req, AV *response) {
         // generate headers
         for(i=0; i<=av_len(headers); i++) {
                 hitem = av_fetch(headers,i,0);
+		if (!*hitem) {
+			uwsgi_log("invalid PSGI headers\n"); return UWSGI_OK;
+		}
                 chitem = SvPV(*hitem, hlen);
                 hitem = av_fetch(headers,i+1,0);
+		if (!*hitem) {
+			uwsgi_log("invalid PSGI headers\n"); return UWSGI_OK;
+		}
                 chitem2 = SvPV(*hitem, hlen2);
 		if (uwsgi_response_add_header(wsgi_req, chitem, hlen, chitem2, hlen2)) return UWSGI_OK;
 		i++;

plugins/pty/pty.c

@@ -1,7 +1,7 @@
 #include <uwsgi.h>
-#ifdef __linux__
+#if defined(__linux__) || defined(__GNU_kFreeBSD__)
 #include <pty.h>
-#elif defined(__APPLE__) || defined(__OpenBSD__)
+#elif defined(__APPLE__) || defined(__OpenBSD__) || defined(__NetBSD__)
 #include <util.h>
 #elif defined(__FreeBSD__)
 #include <libutil.h>
@@ -21,6 +21,7 @@ struct uwsgi_pty_client {
 static struct uwsgi_pty {
 	char *addr;
 	char *remote;
+	char *uremote;
 	int queue;
 	int server_fd;
 	int master_fd;
@@ -76,7 +77,8 @@ static struct uwsgi_option uwsgi_pty_options[] = {
 	{"pty-socket", required_argument, 0, "bind the pty server on the specified address", uwsgi_opt_set_str, &upty.addr, 0},
 	{"pty-log", no_argument, 0, "send stdout/stderr to the log engine too", uwsgi_opt_true, &upty.log, 0},
 	{"pty-input", no_argument, 0, "read from original stdin in addition to pty", uwsgi_opt_true, &upty.input, 0},
-	{"pty-connect", required_argument, 0, "connect the current terminal to a pty server", uwsgi_opt_set_str, &upty.remote, 0},
+	{"pty-connect", required_argument, 0, "connect the current terminal to a pty server", uwsgi_opt_set_str, &upty.remote, UWSGI_OPT_NO_INITIAL},
+	{"pty-uconnect", required_argument, 0, "connect the current terminal to a pty server (using uwsgi protocol)", uwsgi_opt_set_str, &upty.uremote, UWSGI_OPT_NO_INITIAL},
 	{"pty-no-isig", no_argument, 0, "disable ISIG terminal attribute in client mode", uwsgi_opt_true, &upty.no_isig, 0},
 	{"pty-exec", required_argument, 0, "run the specified command soon after the pty thread is spawned", uwsgi_opt_set_str, &upty.command, 0},
 	{0, 0, 0, 0, 0, 0, 0},
@@ -256,17 +258,40 @@ static void uwsgi_pty_init() {
 
 }
 
-static int uwsgi_pty_client() {
-	if (!upty.remote) return 0;
+static void uwsgi_pty_winch() {
+	// 2 uwsgi packets
+	char uwsgi_pkt[8];
+#ifdef TIOCGWINSZ
+	struct winsize w;
+	ioctl(0, TIOCGWINSZ, &w);
+	uwsgi_pkt[0] = 0;
+	uwsgi_pkt[1] = (uint8_t) (w.ws_row & 0xff);
+        uwsgi_pkt[2] = (uint8_t) ((w.ws_row >> 8) & 0xff);
+	uwsgi_pkt[3] = 100;
+	uwsgi_pkt[4] = 0;
+	uwsgi_pkt[5] = (uint8_t) (w.ws_col & 0xff);
+        uwsgi_pkt[6] = (uint8_t) ((w.ws_col >> 8) & 0xff);
+	uwsgi_pkt[7] = 101;
+#endif
+	if (write(upty.server_fd, uwsgi_pkt, 8) != 8) {
+		uwsgi_error("uwsgi_pty_winch()/write()");
+		exit(1);
+	}
+}
 
-	uwsgi_log("[pty] connecting to %s ...\n", upty.remote);
+static int uwsgi_pty_client() {
+	if (!upty.remote && !upty.uremote) return 0;
+
+	char *remote = upty.uremote ? upty.uremote : upty.remote;
+
+	uwsgi_log("[pty] connecting to %s ...\n", remote);
 
 	// save current terminal settings
 	if (!tcgetattr(0, &uwsgi.termios)) {
         	uwsgi.restore_tc = 1;
         }
 
-	upty.server_fd = uwsgi_connect(upty.remote, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT], 0);
+	upty.server_fd = uwsgi_connect(remote, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT], 0);
 	if (upty.server_fd < 0) {
 		uwsgi_error("uwsgi_pty_client()/connect()");
 		exit(1);
@@ -277,8 +302,15 @@ static int uwsgi_pty_client() {
 
 	uwsgi_log("[pty] connected.\n");
 
+
 	uwsgi_pty_setterm(0);
 
+	if (upty.uremote) {
+		signal(SIGWINCH, uwsgi_pty_winch);
+		// send current terminal size
+		uwsgi_pty_winch();
+	}
+
 	upty.queue = event_queue_init();
 	event_queue_add_fd_read(upty.queue, upty.server_fd);
 	event_queue_add_fd_read(upty.queue, 0);
@@ -287,10 +319,21 @@ static int uwsgi_pty_client() {
 		char buf[8192];
 		int interesting_fd = -1;
                 int ret = event_queue_wait(upty.queue, -1, &interesting_fd);		
-		if (ret <= 0) break;
+		if (ret == 0) break;
+		if (ret < 0) {
+			if (errno == EINTR) continue;
+			break;
+		}
 		if (interesting_fd == 0) {
 			ssize_t rlen = read(0, buf, 8192);
 			if (rlen <= 0) break;
+			if (upty.uremote) {
+				struct uwsgi_header uh;
+				uh.modifier1 = 0;
+				uh.pktsize = rlen;
+				uh.modifier2 = 0;
+				if (write(upty.server_fd, &uh, 4) != 4) break;
+			}
 			if (write(upty.server_fd, buf, rlen) != rlen) break;
 			continue;
 		}	

plugins/python/python_plugin.c

@@ -156,8 +156,14 @@ 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},
 
+	{"wsgi-strict", no_argument, 0, "try to be fully PEP compliant disabling optimizations", uwsgi_opt_true, &up.wsgi_strict, 0},
+	{"wsgi-accept-buffer", no_argument, 0, "accept CPython buffer-compliant objects as WSGI response in addition to string/bytes", uwsgi_opt_true, &up.wsgi_accept_buffer, 0},
+	{"wsgi-accept-buffers", no_argument, 0, "accept CPython buffer-compliant objects as WSGI response in addition to string/bytes", uwsgi_opt_true, &up.wsgi_accept_buffer, 0},
+
 	{"python-version", no_argument, 0, "report python version", uwsgi_opt_pyver, NULL, UWSGI_OPT_IMMEDIATE},
 
+	{"python-raw", required_argument, 0, "load a python file for managing raw requests", uwsgi_opt_set_str, &up.raw, 0},
+
 	{0, 0, 0, 0, 0, 0, 0},
 };
 
@@ -308,6 +314,10 @@ realstuff:
 	// this time we use this higher level function
 	// as this code can be executed in a signal handler
 
+#ifdef __GNU_kFreeBSD__
+	return;
+#endif
+
 	if (!Py_IsInitialized()) {
 		return;
 	}
@@ -1068,7 +1078,6 @@ void uwsgi_python_init_apps() {
         up.loaders[LOADER_CALLABLE] = uwsgi_callable_loader;
         up.loaders[LOADER_STRING_CALLABLE] = uwsgi_string_callable_loader;
 
-
 	struct uwsgi_string_list *upli = up.import_list;
 	while(upli) {
 		if (strchr(upli->value, '/') || uwsgi_endswith(upli->value, ".py")) {
@@ -1119,6 +1128,12 @@ next:
 		uppa = uppa->next;
         }
 
+	if (up.raw) {
+		up.raw_callable = uwsgi_file_loader(up.raw);
+		if (up.raw_callable) {
+			Py_INCREF(up.raw_callable);
+		}
+	}
 
 	if (up.wsgi_config != NULL) {
 		init_uwsgi_app(LOADER_UWSGI, up.wsgi_config, uwsgi.wsgi_req, up.main_thread, PYTHON_APP_TYPE_WSGI);
@@ -1354,8 +1369,10 @@ void *uwsgi_python_autoreloader_thread(void *foobar) {
 		UWSGI_RELEASE_GIL;
 		sleep(up.auto_reload);
 		UWSGI_GET_GIL;
-		// do not start monitoring til the first app is loaded (required for lazy mode)
-		if (uwsgi_apps_cnt == 0) continue;
+		if (uwsgi.lazy || uwsgi.lazy_apps) {
+			// do not start monitoring til the first app is loaded (required for lazy mode)
+			if (uwsgi_apps_cnt == 0) continue;
+		}
 #ifdef UWSGI_PYTHON_OLD
                 int pos = 0;
 #else

plugins/python/raw.c

@@ -0,0 +1,90 @@
+#include "uwsgi_python.h"
+
+extern struct uwsgi_server uwsgi;
+extern struct uwsgi_python up;
+
+static int manage_raw_response(struct wsgi_request *wsgi_req) {
+	int ret = 0;
+	if (!wsgi_req->async_force_again) {
+		ret = uwsgi_python_send_body(wsgi_req, (PyObject *) wsgi_req->async_result);
+		if (ret == 0) {
+			if (PyInt_Check((PyObject *) wsgi_req->async_result) || PyObject_HasAttrString((PyObject *) wsgi_req->async_result, "fileno")) {
+				// is it a file ?
+				int fd = PyObject_AsFileDescriptor((PyObject *) wsgi_req->async_result);
+				if (fd >= 0) {
+					wsgi_req->sendfile_fd = fd;
+					uwsgi_response_sendfile_do(wsgi_req, fd, 0, 0);
+					wsgi_req->sendfile_fd = -1;
+					return UWSGI_OK;
+				}
+			}
+		}
+	}
+	if (ret == 0) {
+		if (!wsgi_req->async_placeholder) {
+			wsgi_req->async_placeholder = PyObject_GetIter((PyObject *) wsgi_req->async_result);
+			if (!wsgi_req->async_placeholder)
+				return UWSGI_OK;
+		}
+
+		PyObject *pychunk = PyIter_Next((PyObject *) wsgi_req->async_placeholder);
+		if (!pychunk)
+			return UWSGI_OK;
+		ret = uwsgi_python_send_body(wsgi_req, pychunk);
+		if (ret == 0) {
+			if (PyInt_Check(pychunk) || PyObject_HasAttrString(pychunk, "fileno")) {
+				// is it a file ?
+				int fd = PyObject_AsFileDescriptor(pychunk);
+				if (fd >= 0) {
+					wsgi_req->sendfile_fd = fd;
+					uwsgi_response_sendfile_do(wsgi_req, fd, 0, 0);
+					wsgi_req->sendfile_fd = -1;
+				}
+			}
+		}
+		Py_DECREF(pychunk);
+		return UWSGI_AGAIN;
+	}
+	return UWSGI_OK;
+}
+
+int uwsgi_request_python_raw(struct wsgi_request *wsgi_req) {
+	if (!up.raw_callable)
+		return UWSGI_OK;
+
+	// back from async
+	if (wsgi_req->async_force_again) {
+		UWSGI_GET_GIL int ret = manage_raw_response(wsgi_req);
+		if (ret == UWSGI_AGAIN) {
+			wsgi_req->async_force_again = 1;
+			UWSGI_RELEASE_GIL return UWSGI_AGAIN;
+		}
+		goto end;
+	}
+
+	UWSGI_GET_GIL PyObject * args = PyTuple_New(1);
+	PyTuple_SetItem(args, 0, PyInt_FromLong(wsgi_req->fd));
+	wsgi_req->async_result = PyEval_CallObject(up.raw_callable, args);
+	Py_DECREF(args);
+	if (wsgi_req->async_result) {
+		for (;;) {
+			int ret = manage_raw_response(wsgi_req);
+			if (ret == UWSGI_AGAIN) {
+				wsgi_req->async_force_again = 1;
+				if (uwsgi.async > 1) {
+					UWSGI_RELEASE_GIL return UWSGI_AGAIN;
+				}
+				continue;
+			}
+			break;
+		}
+	}
+end:
+	if (PyErr_Occurred())
+		PyErr_Print();
+	if (wsgi_req->async_result) {
+		Py_DECREF((PyObject *) wsgi_req->async_result);
+	}
+	UWSGI_RELEASE_GIL;
+	return UWSGI_OK;
+}

plugins/python/uwsgi_python.h

@@ -1,4 +1,4 @@
-#include "../../uwsgi.h"
+#include <uwsgi.h>
 #include <Python.h>
 
 #include <frameobject.h>
@@ -180,6 +180,11 @@ struct uwsgi_python {
 	int start_response_nodelay;
 
 	char *programname;
+	int wsgi_strict;
+	int wsgi_accept_buffer;
+
+	char *raw;
+	PyObject *raw_callable;
 };
 
 
@@ -276,6 +281,10 @@ struct uwsgi_buffer *uwsgi_python_exception_repr(struct wsgi_request *);
 struct uwsgi_buffer *uwsgi_python_backtrace(struct wsgi_request *);
 void uwsgi_python_exception_log(struct wsgi_request *);
 
+int uwsgi_python_send_body(struct wsgi_request *, PyObject *);
+
+int uwsgi_request_python_raw(struct wsgi_request *);
+
 #define py_current_wsgi_req() current_wsgi_req();\
 			if (!wsgi_req) {\
 				return PyErr_Format(PyExc_SystemError, "you can call uwsgi api function only from the main callable");\

plugins/python/uwsgiplugin.py

@@ -11,7 +11,7 @@ def get_python_version():
     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']
+GCC_LIST = ['python_plugin', 'pyutils', 'pyloader', 'wsgi_handlers', 'wsgi_headers', 'wsgi_subhandler', 'web3_subhandler', 'pump_subhandler', 'gil', 'uwsgi_pymodule', 'profiler', 'symimporter', 'tracebacker', 'raw']
 
 CFLAGS = ['-I' + sysconfig.get_python_inc(), '-I' + sysconfig.get_python_inc(plat_specific=True) ] 
 LDFLAGS = []
@@ -32,9 +32,17 @@ if not 'UWSGI_PYTHON_NOLIB' in os.environ:
         # 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): 
+
+        # get cpu type
+        uname = os.uname()
+        if uname[4].startswith('arm'):
             libpath = '%s/%s' % (libdir, sysconfig.get_config_var('LIBRARY'))
+            if not os.path.exists(libpath): 
+                libpath = '%s/%s' % (libdir, sysconfig.get_config_var('LDLIBRARY'))
+        else:
+            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)

plugins/python/wsgi_handlers.c

@@ -292,6 +292,8 @@ PyObject *py_eventfd_write(PyObject * self, PyObject * args) {
 
 int uwsgi_request_wsgi(struct wsgi_request *wsgi_req) {
 
+	if (wsgi_req->is_raw) return uwsgi_request_python_raw(wsgi_req);
+
 	struct uwsgi_app *wi;
 
 	if (wsgi_req->async_force_again) {

plugins/python/wsgi_subhandler.c

@@ -5,6 +5,68 @@ extern struct uwsgi_python up;
 extern struct uwsgi_plugin python_plugin;
 extern PyTypeObject uwsgi_InputType;
 
+/*
+
+	Albeit PEP 333/3333 is clear about what kind of return object we must
+	expect from a WSGI callable, we CAN use the buffer api to optimize for lower-level
+	returns type: bytes, bytearray, array.array
+
+	to enable this optimization add --wsgi-accept-buffer
+
+	NOTE: this is a violation of the standards !!! use only if you know the implications !!!
+
+*/
+
+int uwsgi_python_send_body(struct wsgi_request *wsgi_req, PyObject *chunk) {
+	if (!up.wsgi_accept_buffer && !wsgi_req->is_raw) goto strict;
+#if defined(PYTHREE) || defined(Py_TPFLAGS_HAVE_NEWBUFFER)
+	Py_buffer pbuf;
+	int has_buffer = 0;
+#endif
+	char *content = NULL;
+	size_t content_len = 0;
+#if defined(PYTHREE) || defined(Py_TPFLAGS_HAVE_NEWBUFFER)
+	if (PyObject_CheckBuffer(chunk)) {
+		if (!PyObject_GetBuffer(chunk, &pbuf, PyBUF_SIMPLE)) {
+			content = (char *) pbuf.buf;
+			content_len = (size_t) pbuf.len;
+			has_buffer = 1;
+			goto found;
+		}
+	}
+#else
+	if (PyObject_CheckReadBuffer(chunk)) {
+		if (!PyObject_AsCharBuffer(chunk, (const char **) &content, (Py_ssize_t *) &content_len)) {
+			PyErr_Clear();
+			goto found;
+		}
+	}
+#endif
+
+strict:
+	// fallback
+	if (PyString_Check(chunk)) {
+               	content = PyString_AsString(chunk);
+               	content_len = PyString_Size(chunk);
+	}
+
+found:
+	if (content) {
+                UWSGI_RELEASE_GIL
+                uwsgi_response_write_body_do(wsgi_req, content, content_len);
+                UWSGI_GET_GIL
+#if defined(PYTHREE) || defined(Py_TPFLAGS_HAVE_NEWBUFFER)
+		if (has_buffer) PyBuffer_Release(&pbuf);
+#endif
+                uwsgi_py_check_write_errors {
+                       	uwsgi_py_write_exception(wsgi_req);
+			return -1;
+                }
+		return 1;
+	}
+	return 0;
+} 
+
 /*
 this is a hack for supporting non-file object passed to wsgi.file_wrapper
 */
@@ -169,19 +231,11 @@ int uwsgi_response_subhandler_wsgi(struct wsgi_request *wsgi_req) {
 	PyObject *pychunk;
 
 	// return or yield ?
-	if (PyString_Check((PyObject *)wsgi_req->async_result)) {
-		char *content = PyString_AsString((PyObject *)wsgi_req->async_result);
-		size_t content_len = PyString_Size((PyObject *)wsgi_req->async_result);
-		UWSGI_RELEASE_GIL
-		uwsgi_response_write_body_do(wsgi_req, content, content_len);
-		UWSGI_GET_GIL
-		uwsgi_py_check_write_errors {
-			uwsgi_py_write_exception(wsgi_req);
-		}
-		goto clear;
+	// in strict mode we do not optimize apps directly returning strings (or bytes)
+	if (!up.wsgi_strict) {
+		if (uwsgi_python_send_body(wsgi_req, (PyObject *)wsgi_req->async_result)) goto clear;
 	}
 
-
 	if (wsgi_req->sendfile_obj == wsgi_req->async_result) {
 		if (wsgi_req->sendfile_fd >= 0) {
 			UWSGI_RELEASE_GIL
@@ -222,19 +276,13 @@ exception:
 
 
 
-	if (PyString_Check(pychunk)) {
-		char *content = PyString_AsString(pychunk);
-		size_t content_len = PyString_Size(pychunk);
-		UWSGI_RELEASE_GIL
-		uwsgi_response_write_body_do(wsgi_req, content, content_len);
-		UWSGI_GET_GIL
-		uwsgi_py_check_write_errors {
-			uwsgi_py_write_exception(wsgi_req);
+	int ret = uwsgi_python_send_body(wsgi_req, pychunk);
+	if (ret != 0) {
+		if (ret < 0) {
 			Py_DECREF(pychunk);
 			goto clear;
 		}
 	}
-
 	else if (wsgi_req->sendfile_obj == pychunk) {
 		if (wsgi_req->sendfile_fd >= 0) {
 			UWSGI_RELEASE_GIL

plugins/rack/rack_plugin.c

@@ -416,6 +416,18 @@ void uwsgi_ruby_gem_set_apply(char *gemset) {
 
 void uwsgi_ruby_gemset(char *gemset) {
 
+	struct uwsgi_string_list *rvm_paths = ur.rvm_path;
+	while(rvm_paths) {
+		char *filename = uwsgi_concat3(rvm_paths->value, "/environments/", gemset);
+                if (uwsgi_file_exists(filename)) {
+			uwsgi_ruby_gem_set_apply(filename);
+                        free(filename);
+                        return;
+                }
+                free(filename);
+		rvm_paths = rvm_paths->next;
+	}
+
 	char *home = getenv("HOME");
 
 	if (home) {
@@ -436,18 +448,6 @@ void uwsgi_ruby_gemset(char *gemset) {
         }
         free(filename);
 
-	struct uwsgi_string_list *rvm_paths = ur.rvm_path;
-	while(rvm_paths) {
-		char *filename = uwsgi_concat3(rvm_paths->value, "/environments/", gemset);
-                if (uwsgi_file_exists(filename)) {
-			uwsgi_ruby_gem_set_apply(filename);
-                        free(filename);
-                        return;
-                }
-                free(filename);
-		rvm_paths = rvm_paths->next;
-	}
-
 	uwsgi_log("ERROR: unable to load gemset %s !!!\n", gemset);
 	exit(1);
 	

plugins/router_http/router_http.c

@@ -18,8 +18,10 @@ static int uwsgi_routing_func_http(struct wsgi_request *wsgi_req, struct uwsgi_r
 	struct uwsgi_buffer *ub_url = NULL;
 	if (ur->data3_len) {
 		ub_url = uwsgi_routing_translate(wsgi_req, ur, *subject, *subject_len, ur->data3, ur->data3_len);
-		uwsgi_buffer_destroy(ub_addr);
-        	if (!ub_url) return UWSGI_ROUTE_BREAK;
+        	if (!ub_url) {
+			uwsgi_buffer_destroy(ub_addr);
+			return UWSGI_ROUTE_BREAK;
+		}
 	}
 
 
@@ -82,7 +84,7 @@ static int uwsgi_router_http(struct uwsgi_route *ur, char *args) {
 	ur->func = uwsgi_routing_func_http;
 	ur->data = (void *) args;
 	ur->data_len = strlen(args);
-	
+
 	char *comma = strchr(ur->data, ',');
 	if (comma) {
 		*comma = 0;

plugins/ugreen/ugreen.c

@@ -104,7 +104,7 @@ static int u_green_init() {
 
 		ug.contexts[i].uc_stack.ss_sp = mmap(NULL, ug.u_stack_size + (uwsgi.page_size*2) , PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE, -1, 0) + uwsgi.page_size;
 
-		if (!ug.contexts[i].uc_stack.ss_sp) {
+		if (ug.contexts[i].uc_stack.ss_sp == MAP_FAILED) {
 			uwsgi_error("mmap()");
 			exit(1);
 		}

proto/base.c

@@ -1,8 +1,14 @@
-
-#include "../uwsgi.h"
+#include <uwsgi.h>
 
 extern struct uwsgi_server uwsgi;
 
+int uwsgi_proto_raw_parser(struct wsgi_request *wsgi_req) {
+	wsgi_req->is_raw = 1;
+	wsgi_req->uh->modifier1 = uwsgi.raw_modifier1;
+	wsgi_req->uh->modifier2 = uwsgi.raw_modifier2;
+	return UWSGI_OK;
+}
+
 uint16_t proto_base_add_uwsgi_header(struct wsgi_request *wsgi_req, char *key, uint16_t keylen, char *val, uint16_t vallen) {
 
 

proto/uwsgi.c

@@ -10,6 +10,9 @@ int uwsgi_proto_uwsgi_parser(struct wsgi_request *wsgi_req) {
 	if (len > 0) {
 		wsgi_req->proto_parser_pos += len;
 		if (wsgi_req->proto_parser_pos >= 4) {
+#ifdef __BIG_ENDIAN__
+			wsgi_req->uh->pktsize = uwsgi_swap16(wsgi_req->uh->pktsize);
+#endif
 			if ((wsgi_req->proto_parser_pos-4) == wsgi_req->uh->pktsize) {
 				return UWSGI_OK;	
 			}

t/python/testba.py

@@ -0,0 +1,7 @@
+import array
+def application(e, sr):
+    sr('200 OK', [('Content-Type','text/html')])
+    a = array.array('b',[54,55,56,57])
+    yield a
+    yield bytearray(b'abcdef')
+    yield b'ciao'

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        = '2013-09-22'
+  s.date        = '2013-10-11'
   s.summary     = "uWSGI"
   s.description = "The uWSGI server for Ruby/Rack"
   s.authors     = ["Unbit"]

uwsgi.h

@@ -53,8 +53,6 @@ extern "C" {
                         }
 
 
-#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 uwsgi_n64(x) strtoul(x, NULL, 10)
 
 #define ushared uwsgi.shared
@@ -197,7 +195,11 @@ extern "C" {
 #endif
 #include <netdb.h>
 
-#ifdef __FreeBSD__
+#if defined(__GNU_kFreeBSD__)
+#include <bsd/unistd.h>
+#endif
+
+#if defined(__FreeBSD__) || defined(__GNU_kFreeBSD__)
 #include <sys/sysctl.h>
 #include <sys/param.h>
 #include <sys/cpuset.h>
@@ -237,7 +239,7 @@ extern "C" {
 #include <linux/limits.h>
 #endif
 
-#if defined(__linux) || defined(__FreeBSD__)
+#if defined(__linux) || defined(__FreeBSD__) || defined(__GNU_kFreeBSD__)
 #include <sys/mount.h>
 #endif
 
@@ -308,6 +310,9 @@ extern int pivot_root(const char *new_root, const char *put_old);
 #ifdef __linux__
 #include <sys/sendfile.h>
 #include <sys/epoll.h>
+#elif defined(__GNU_kFreeBSD__)
+#include <sys/sendfile.h>
+#include <sys/event.h>
 #elif defined(__sun__)
 #include <sys/sendfile.h>
 #include <sys/devpoll.h>
@@ -554,7 +559,7 @@ struct uwsgi_gateway_socket {
 
 	// could be useful for ssl
 	void *ctx;
-	// could be useful ofr plugins
+	// could be useful for plugins
 	int mode;
 
 };
@@ -585,6 +590,7 @@ struct uwsgi_daemon {
 	char *legion;
 #endif
 
+	int control;
 	struct uwsgi_daemon *next;
 };
 
@@ -1516,6 +1522,8 @@ struct wsgi_request {
 	char *transformed_chunk;
 	size_t transformed_chunk_len;
 
+	int is_raw;
+
 	struct msghdr msg;
 	union {
 		struct cmsghdr cmsg;
@@ -1555,7 +1563,7 @@ struct uwsgi_signal_rb_timer {
 struct uwsgi_cheaper_algo {
 
 	char *name;
-	int (*func) (void);
+	int (*func) (int);
 	struct uwsgi_cheaper_algo *next;
 };
 
@@ -1718,6 +1726,8 @@ struct uwsgi_server {
 	uint64_t http_modifier2;
 	uint64_t scgi_modifier1;
 	uint64_t scgi_modifier2;
+	uint64_t raw_modifier1;
+	uint64_t raw_modifier2;
 
 	// enable lazy mode
 	int lazy;
@@ -1727,7 +1737,7 @@ struct uwsgi_server {
 	int cheaper;
 	char *requested_cheaper_algo;
 	struct uwsgi_cheaper_algo *cheaper_algos;
-	int (*cheaper_algo) (void);
+	int (*cheaper_algo) (int);
 	int cheaper_step;
 	uint64_t cheaper_overload;
 	// minimal number of running workers in cheaper mode
@@ -1751,7 +1761,9 @@ struct uwsgi_server {
 	// true if run under the emperor
 	int has_emperor;
 	char *emperor_procname;
+	char *emperor_proxy;
 	int emperor_fd;
+	int emperor_fd_proxy;
 	int emperor_queue;
 	int emperor_nofollow;
 	int emperor_tyrant;
@@ -1763,6 +1775,7 @@ struct uwsgi_server {
 	int emperor_max_throttle;
 	int emperor_magic_exec;
 	int emperor_heartbeat;
+	int emperor_curse_tolerance;
 	struct uwsgi_string_list *emperor_extra_extension;
 	// search for a file with the specified extension at the same level of the vassal file
 	char *emperor_on_demand_extension;
@@ -1787,6 +1800,8 @@ struct uwsgi_server {
 	int emperor_stats_fd;
 	struct uwsgi_string_list *vassals_templates;
 	struct uwsgi_string_list *vassals_includes;
+	struct uwsgi_string_list *vassals_templates_before;
+	struct uwsgi_string_list *vassals_includes_before;
 	// true if loyal to the emperor
 	int loyal;
 
@@ -1863,15 +1878,19 @@ struct uwsgi_server {
 #ifdef UWSGI_CAP
 	cap_value_t *cap;
 	int cap_count;
+	cap_value_t *emperor_cap;
+	int emperor_cap_count;
 #endif
 
 #ifdef __linux__
 	int unshare;
+	int unshare2;
 	int emperor_clone;
 	char *pivot_root;
 #endif
+	char *emperor_wrapper;
 
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__GNU_kFreeBSD__)
 	char *jail;
 	struct uwsgi_string_list *jail_ip4;
 #ifdef AF_INET6
@@ -2193,6 +2212,8 @@ struct uwsgi_server {
 	struct uwsgi_string_list *fs_brutal_reload;
 	struct uwsgi_string_list *fs_signal;
 
+	struct uwsgi_string_list *mountpoints_check;
+
 	int propagate_touch;
 
 	// enable grunt mode
@@ -2261,6 +2282,7 @@ struct uwsgi_server {
 	int harakiri_verbose;
 	int harakiri_no_arh;
 
+	int magic_table_first_round;
 	char *magic_table[256];
 
 	int numproc;
@@ -2547,6 +2569,8 @@ struct uwsgi_server {
 	int (*wait_write_hook) (int, int);
 	int (*wait_read_hook) (int, int);
 
+	struct uwsgi_string_list *schemes;
+
 };
 
 struct uwsgi_rpc {
@@ -2961,6 +2985,7 @@ void uwsgi_register_loop(char *, void (*)(void));
 void *uwsgi_get_loop(char *);
 
 void add_exported_option(char *, char *, int);
+void add_exported_option_do(char *, char *, int, int);
 
 ssize_t uwsgi_send_empty_pkt(int, char *, uint8_t, uint8_t);
 
@@ -3147,8 +3172,10 @@ int uwsgi_str3_num(char *);
 int uwsgi_str4_num(char *);
 
 #ifdef __linux__
+#if !defined(__ia64__)
 	void linux_namespace_start(void *);
 	void linux_namespace_jail(void);
+#endif
 	int uwsgi_netlink_veth(char *, char *);
 	int uwsgi_netlink_veth_attach(char *, pid_t);
 	int uwsgi_netlink_ifup(char *);
@@ -3191,6 +3218,7 @@ int uwsgi_proto_scgi_parser(struct wsgi_request *);
 
 
 int uwsgi_proto_base_accept(struct wsgi_request *, int);
+int uwsgi_proto_raw_parser(struct wsgi_request *);
 void uwsgi_proto_base_close(struct wsgi_request *);
 uint16_t proto_base_add_uwsgi_header(struct wsgi_request *, char *, uint16_t, char *, uint16_t);
 uint16_t proto_base_add_uwsgi_var(struct wsgi_request *, char *, uint16_t, char *, uint16_t);
@@ -3422,7 +3450,8 @@ void uwsgi_linux_ksm_map(void);
 #endif
 
 #ifdef UWSGI_CAP
-void uwsgi_build_cap(char *);
+int uwsgi_build_cap(char *, cap_value_t **);
+void uwsgi_apply_cap(cap_value_t *, int);
 #endif
 
 void uwsgi_register_logger(char *, ssize_t(*func) (struct uwsgi_logger *, char *, size_t));
@@ -3454,6 +3483,7 @@ int uwsgi_manage_opt(char *, char *);
 void uwsgi_opt_print(char *, char *, void *);
 void uwsgi_opt_true(char *, char *, void *);
 void uwsgi_opt_set_str(char *, char *, void *);
+void uwsgi_opt_custom(char *, char *, void *);
 void uwsgi_opt_set_null(char *, char *, void *);
 void uwsgi_opt_set_logger(char *, char *, void *);
 void uwsgi_opt_set_req_logger(char *, char *, void *);
@@ -3462,6 +3492,7 @@ void uwsgi_opt_add_string_list(char *, char *, void *);
 void uwsgi_opt_add_addr_list(char *, char *, void *);
 void uwsgi_opt_add_string_list_custom(char *, char *, void *);
 void uwsgi_opt_add_dyn_dict(char *, char *, void *);
+void uwsgi_opt_binary_append_data(char *, char *, void *);
 #ifdef UWSGI_PCRE
 void uwsgi_opt_pcre_jit(char *, char *, void *);
 void uwsgi_opt_add_regexp_dyn_dict(char *, char *, void *);
@@ -3479,6 +3510,7 @@ void uwsgi_opt_dyn_false(char *, char *, void *);
 void uwsgi_opt_set_placeholder(char *, char *, void *);
 void uwsgi_opt_add_shared_socket(char *, char *, void *);
 void uwsgi_opt_add_socket(char *, char *, void *);
+void uwsgi_opt_add_socket_no_defer(char *, char *, void *);
 void uwsgi_opt_add_lazy_socket(char *, char *, void *);
 void uwsgi_opt_add_cron(char *, char *, void *);
 void uwsgi_opt_add_cron2(char *, char *, void *);
@@ -3562,6 +3594,7 @@ int uwsgi_logic_opt_if_not_plugin(char *, char *);
 
 #ifdef UWSGI_CAP
 void uwsgi_opt_set_cap(char *, char *, void *);
+void uwsgi_opt_set_emperor_cap(char *, char *, void *);
 #endif
 #ifdef __linux__
 void uwsgi_opt_set_unshare(char *, char *, void *);
@@ -3600,16 +3633,16 @@ void uwsgi_manage_zerg(int, int, int *);
 time_t uwsgi_now(void);
 
 int uwsgi_calc_cheaper(void);
-int uwsgi_cheaper_algo_spare(void);
-int uwsgi_cheaper_algo_backlog(void);
-int uwsgi_cheaper_algo_backlog2(void);
-int uwsgi_cheaper_algo_manual(void);
+int uwsgi_cheaper_algo_spare(int);
+int uwsgi_cheaper_algo_backlog(int);
+int uwsgi_cheaper_algo_backlog2(int);
+int uwsgi_cheaper_algo_manual(int);
 
 int uwsgi_master_log(void);
 int uwsgi_master_req_log(void);
 void uwsgi_flush_logs(void);
 
-void uwsgi_register_cheaper_algo(char *, int (*)(void));
+void uwsgi_register_cheaper_algo(char *, int (*)(int));
 
 void uwsgi_setup_locking(void);
 int uwsgi_fcntl_lock(int);
@@ -3818,11 +3851,13 @@ struct uwsgi_instance {
 
 	int on_demand_fd;
 	char *socket_name;
+	time_t cursed_at;
 };
 
 struct uwsgi_instance *emperor_get_by_fd(int);
 struct uwsgi_instance *emperor_get(char *);
 void emperor_stop(struct uwsgi_instance *);
+void emperor_curse(struct uwsgi_instance *);
 void emperor_respawn(struct uwsgi_instance *, time_t);
 void emperor_add(struct uwsgi_emperor_scanner *, char *, time_t, char *, uint32_t, uid_t, gid_t, char *);
 
@@ -4055,6 +4090,7 @@ void uwsgi_legion_atexit(void);
 #endif
 
 struct uwsgi_option *uwsgi_opt_get(char *);
+int uwsgi_opt_exists(char *);
 int uwsgi_valid_fd(int);
 void uwsgi_close_all_fds(void);
 
@@ -4339,6 +4375,19 @@ void uwsgi_cheaper_increase();
 void uwsgi_cheaper_decrease();
 void uwsgi_go_cheap();
 
+char **uwsgi_split_quoted(char *, size_t, char *, size_t *);
+
+void uwsgi_master_manage_emperor_proxy();
+struct uwsgi_string_list *uwsgi_register_scheme(char *, char * (*)(char *, size_t *, int));
+void uwsgi_setup_schemes(void);
+
+struct uwsgi_string_list *uwsgi_check_scheme(char *);
+
+void uwsgi_remap_fd(int, char *);
+void uwsgi_opt_exit(char *, char *, void *);
+int uwsgi_check_mountpoint(char *);
+void uwsgi_master_check_mountpoints(void);
+
 #ifdef __cplusplus
 }
 #endif

uwsgiconfig.py

@@ -1,6 +1,6 @@
 # uWSGI build system
 
-uwsgi_version = '1.9.17'
+uwsgi_version = '1.9.18.1'
 
 import os
 import re
@@ -13,6 +13,7 @@ uwsgi_cpu = os.uname()[4]
 import sys
 import subprocess
 from threading import Thread,Lock
+from optparse import OptionParser
 
 try:
     from queue import Queue
@@ -56,26 +57,35 @@ binary_list = []
 
 # this is used for reporting (at the end of the build)
 # the server configuration
-report = {}
-report['kernel'] = False
-report['execinfo'] = False
-report['ifaddrs'] = False
-report['locking'] = False
-report['event'] = False
-report['timer'] = False
-report['filemonitor'] = False
-report['pcre'] = False
-report['matheval'] = False
-report['routing'] = False
-report['capabilities'] = False
-report['yaml'] = False
-report['json'] = False
-report['ssl'] = False
-report['zeromq'] = False
-report['xml'] = False
-report['debug'] = False
-report['plugin_dir'] = False
-report['zlib'] = False
+report = {
+    'kernel': False,
+    'execinfo': False,
+    'ifaddrs': False,
+    'locking': False,
+    'event': False,
+    'timer': False,
+    'filemonitor': False,
+    'pcre': False,
+    'matheval': False,
+    'routing': False,
+    'capabilities': False,
+    'yaml': False,
+    'json': False,
+    'ssl': False,
+    'zeromq': False,
+    'xml': False,
+    'debug': False,
+    'plugin_dir': False,
+    'zlib': False,
+}
+
+verbose_build = False
+
+def print_compilation_output(default_str, verbose_str):
+    if verbose_build:
+        print(verbose_str)
+    elif default_str is not None:
+        print(default_str)
 
 compile_queue = None
 print_lock = None
@@ -85,8 +95,8 @@ def thread_compiler(num):
     while True:
         (objfile, cmdline) = compile_queue.get()
         if objfile:
-            print_lock.acquire()    
-            print("[thread %d][%s] %s" % (num, GCC, objfile))
+            print_lock.acquire()
+            print_compilation_output("[thread %d][%s] %s" % (num, GCC, objfile), "[thread %d] %s" % (num, cmdline))
             print_lock.release()    
             ret = os.system(cmdline)
             if ret != 0:
@@ -170,7 +180,7 @@ def push_print(msg):
 
 def push_command(objfile, cmdline):
     if not compile_queue:
-        print("[%s] %s" % (GCC, objfile))
+        print_compilation_output("[%s] %s" % (GCC, objfile), cmdline)
         ret = os.system(cmdline)
         if ret != 0:
             sys.exit(1)
@@ -205,7 +215,7 @@ def compile(cflags, last_cflags_ts, objfile, srcfile):
     push_command(objfile, cmdline)
 
 
-def build_uwsgi(uc, print_only=False):
+def build_uwsgi(uc, print_only=False, gcll=None):
 
     global print_lock, compile_queue, thread_compilers
 
@@ -218,10 +228,17 @@ def build_uwsgi(uc, print_only=False):
             t.start()
             thread_compilers.append(t)
 
-    gcc_list, cflags, ldflags, libs = uc.get_gcll()
+    if not gcll:
+        gcc_list, cflags, ldflags, libs = uc.get_gcll()
+    else:
+        gcc_list, cflags, ldflags, libs = gcll
 
     if 'UWSGI_EMBED_PLUGINS' in os.environ:
-        uc.set('embedded_plugins', uc.get('embedded_plugins') + ',' + os.environ['UWSGI_EMBED_PLUGINS'])
+        ep = uc.get('embedded_plugins')
+        if ep:
+            uc.set('embedded_plugins', ep + ',' + os.environ['UWSGI_EMBED_PLUGINS'])
+        else:
+            uc.set('embedded_plugins', os.environ['UWSGI_EMBED_PLUGINS'])
 
     if uc.get('embedded_plugins'):
         ep = uc.get('embedded_plugins').split(',')
@@ -291,6 +308,15 @@ def build_uwsgi(uc, print_only=False):
     open('core/dot_h.c', 'w').write('char *uwsgi_dot_h = "%s";\n' % uwsgi_dot_h);
     gcc_list.append('core/dot_h') 
     
+    additional_sources = os.environ.get('UWSGI_ADDITIONAL_SOURCES')
+    if not additional_sources:
+        additional_sources = uc.get('additional_sources')
+    if additional_sources:
+        for item in additional_sources.split(','):
+            if item.endswith('.c'):
+                gcc_list.append(item[:-2])
+            else:
+                gcc_list.append(item)
 
     cflags.append('-DUWSGI_CFLAGS=\\"%s\\"' % uwsgi_cflags)
     cflags.append('-DUWSGI_BUILD_DATE="\\"%s\\""' % time.strftime("%d %B %Y %H:%M:%S"))
@@ -433,8 +459,8 @@ def build_uwsgi(uc, print_only=False):
 
     bin_name = os.environ.get('UWSGI_BIN_NAME', uc.get('bin_name'))
 
-    if uc.get('embed_config'):
-        gcc_list.append(uc.get('embed_config'))
+    if uc.embed_config:
+        gcc_list.append(uc.embed_config)
     for ef in binary_list:
         gcc_list.append("build/%s" % ef)
 
@@ -530,7 +556,8 @@ class uConf(object):
         report['kernel'] = uwsgi_os
 
         if uwsgi_os == 'Linux':
-            self.gcc_list.append('lib/linux_ns')
+            if uwsgi_cpu != 'ia64':
+                self.gcc_list.append('lib/linux_ns')
             try:
                 lk_ver = uwsgi_os_k.split('.')
                 if int(lk_ver[0]) <= 2 and int(lk_ver[1]) <= 6 and int(lk_ver[2]) <= 9:
@@ -597,8 +624,11 @@ class uConf(object):
 
         self.ldflags = os.environ.get("LDFLAGS", "").split()
         self.libs = ['-lpthread', '-lm', '-rdynamic']
-        if uwsgi_os == 'Linux':
+        if uwsgi_os in ('Linux', 'GNU', 'GNU/kFreeBSD'):
             self.libs.append('-ldl')
+        if uwsgi_os == 'GNU/kFreeBSD':
+            self.cflags.append('-D__GNU_kFreeBSD__')
+            self.libs.append('-lbsd')
 
         # check for inherit option
         inherit = self.get('inherit')
@@ -674,6 +704,11 @@ class uConf(object):
                 self.libs.append('-lexecinfo')
                 report['execinfo'] = True
 
+        if uwsgi_os == 'GNU/kFreeBSD':
+            if self.has_include('execinfo.h'):
+                self.cflags.append('-DUWSGI_HAS_EXECINFO')
+                report['execinfo'] = True
+
         if self.has_include('zlib.h'):
             self.cflags.append('-DUWSGI_ZLIB')
             self.libs.append('-lz')
@@ -698,6 +733,10 @@ class uConf(object):
             if not uwsgi_os_v.startswith('Nexenta'):
                 self.libs.remove('-rdynamic')
 
+        if uwsgi_os == 'GNU/kFreeBSD':
+            if self.has_include('kvm.h'):
+                kvm_list.append('GNU/kFreeBSD')
+
         if uwsgi_os in kvm_list:
             self.libs.append('-lkvm')
 
@@ -730,7 +769,7 @@ class uConf(object):
                 locking_mode = 'pthread_mutex'
             # FreeBSD umtx is still not ready for process shared locking
             # starting from FreeBSD 9 posix semaphores can be shared between processes
-            elif uwsgi_os == 'FreeBSD':
+            elif uwsgi_os in ('FreeBSD', 'GNU/kFreeBSD'):
                  try:
                      fbsd_major = int(uwsgi_os_k.split('.')[0])
                      if fbsd_major >= 9:
@@ -773,7 +812,7 @@ class uConf(object):
                 if int(sun_major) >= 5:
                     if int(sun_minor) >= 10:
                         event_mode = 'port'
-            elif uwsgi_os in ('Darwin', 'FreeBSD', 'OpenBSD', 'NetBSD', 'DragonFly'):
+            elif uwsgi_os in ('Darwin', 'FreeBSD', 'GNU/kFreeBSD', 'OpenBSD', 'NetBSD', 'DragonFly'):
                 event_mode = 'kqueue'
             elif uwsgi_os.startswith('CYGWIN') or uwsgi_os == 'GNU':
                 event_mode = 'poll'
@@ -816,7 +855,7 @@ class uConf(object):
                     if int(sun_minor) >= 10:
                         timer_mode = 'port'
 
-            elif uwsgi_os in ('Darwin', 'FreeBSD', 'OpenBSD', 'NetBSD', 'DragonFly'):
+            elif uwsgi_os in ('Darwin', 'FreeBSD', 'GNU/kFreeBSD', 'OpenBSD', 'NetBSD', 'DragonFly'):
                 timer_mode = 'kqueue'
 
         if timer_mode == 'timerfd':
@@ -843,7 +882,7 @@ class uConf(object):
                 if int(sun_major) >= 5:
                     if int(sun_minor) >= 10:
                         filemonitor_mode = 'port'
-            elif uwsgi_os in ('Darwin', 'FreeBSD', 'OpenBSD', 'NetBSD', 'DragonFly'):
+            elif uwsgi_os in ('Darwin', 'FreeBSD', 'GNU/kFreeBSD', 'OpenBSD', 'NetBSD', 'DragonFly'):
                 filemonitor_mode = 'kqueue'
 
         if filemonitor_mode == 'inotify':
@@ -943,7 +982,7 @@ class uConf(object):
         if self.has_include('uuid/uuid.h'):
             has_uuid = True
             self.cflags.append("-DUWSGI_UUID")
-            if uwsgi_os == 'Linux' or uwsgi_os.startswith('CYGWIN') or os.path.exists('/usr/lib/libuuid.so') or os.path.exists('/usr/local/lib/libuuid.so') or os.path.exists('/usr/lib64/libuuid.so') or os.path.exists('/usr/local/lib64/libuuid.so'):
+            if uwsgi_os in ('Linux', 'GNU', 'GNU/kFreeBSD') or uwsgi_os.startswith('CYGWIN') or os.path.exists('/usr/lib/libuuid.so') or os.path.exists('/usr/local/lib/libuuid.so') or os.path.exists('/usr/lib64/libuuid.so') or os.path.exists('/usr/local/lib64/libuuid.so'):
                 self.libs.append('-luuid')
 
         if self.get('append_version'):
@@ -952,17 +991,22 @@ class uConf(object):
             uwsgi_version += self.get('append_version')
 
 
-        if uwsgi_os == 'FreeBSD' and self.has_include('jail.h'):
+        if uwsgi_os in ('FreeBSD','GNU/kFreeBSD') and self.has_include('jail.h'):
             self.cflags.append('-DUWSGI_HAS_FREEBSD_LIBJAIL')
             self.libs.append('-ljail')
 
+        self.embed_config = None
+
         if uwsgi_os == 'Linux':
-            if self.get('embed_config'):
-                binary_link_cmd = "ld -r -b binary -o %s.o %s" % (self.get('embed_config'), self.get('embed_config'))
+            self.embed_config = os.environ.get('UWSGI_EMBED_CONFIG')
+            if not self.embed_config:
+                self.embed_config = self.get('embed_config')
+            if self.embed_config:
+                binary_link_cmd = "ld -r -b binary -o %s.o %s" % (self.embed_config, self.embed_config)
                 print(binary_link_cmd)
                 os.system(binary_link_cmd)
-                self.cflags.append("-DUWSGI_EMBED_CONFIG=_binary_%s_start" % self.get('embed_config').replace('.','_'))
-                self.cflags.append("-DUWSGI_EMBED_CONFIG_END=_binary_%s_end" % self.get('embed_config').replace('.','_'))
+                self.cflags.append("-DUWSGI_EMBED_CONFIG=_binary_%s_start" % self.embed_config.replace('.','_'))
+                self.cflags.append("-DUWSGI_EMBED_CONFIG_END=_binary_%s_end" % self.embed_config.replace('.','_'))
             if self.get('embed_files'):
                 for ef in self.get('embed_files').split(','):
                     ef_parts = ef.split('=')
@@ -1281,7 +1325,7 @@ def build_plugin(path, uc, cflags, ldflags, libs, name = None):
         need_pic = ' -L. -luwsgi'
 
     gccline = "%s%s %s -o %s.so %s %s %s %s" % (GCC, need_pic, shared_flag, plugin_dest, ' '.join(uniq_warnings(p_cflags)), ' '.join(gcc_list), ' '.join(uniq_warnings(p_ldflags)), ' '.join(uniq_warnings(p_libs)) )
-    print("[%s] %s.so" % (GCC, plugin_dest))
+    print_compilation_output("[%s] %s.so" % (GCC, plugin_dest), gccline)
 
     ret = os.system(gccline)
     if ret != 0:
@@ -1294,7 +1338,9 @@ def build_plugin(path, uc, cflags, ldflags, libs, name = None):
             for rp in requires:
                 f.write("requires=%s\n" % rp)
             f.close()
-            os.system("objcopy %s.so --add-section uwsgi=.uwsgi_plugin_section %s.so" % (plugin_dest, plugin_dest))
+            objline = "objcopy %s.so --add-section uwsgi=.uwsgi_plugin_section %s.so" % (plugin_dest, plugin_dest)
+            print_compilation_output(None, objline)
+            os.system(objline)
             os.unlink('.uwsgi_plugin_section')
     except:
         pass
@@ -1304,43 +1350,82 @@ def build_plugin(path, uc, cflags, ldflags, libs, name = None):
 
     print("*** %s plugin built and available in %s ***" % (name, plugin_dest + '.so'))
 
-if __name__ == "__main__":
-    try:
-        cmd = sys.argv[1]
-    except:
-        print("please specify an argument")
-        sys.exit(1)
+def vararg_callback(option, opt_str, value, parser):
+    assert value is None
+    value = []
+    for arg in parser.rargs:
+        # stop on --foo like options
+        if arg[:2] == "--" and len(arg) > 2:
+            break
+        # stop on -a, but not on -3 or -3.0
+        if arg[:1] == "-" and len(arg) > 1:
+            break
+        value.append(arg)
 
-    if cmd == '--build':
-        bconf = os.environ.get('UWSGI_PROFILE','default.ini')
+    del parser.rargs[:len(value)]
+    setattr(parser.values, option.dest, value)
+
+if __name__ == "__main__":
+    parser = OptionParser()
+    parser.add_option("-b", "--build", action="callback", callback=vararg_callback, dest="build", help="build a specific profile if provided or default.ini", metavar="PROFILE")
+    parser.add_option("-f", "--cflags", action="callback", callback=vararg_callback, dest="cflags", help="same as --build but less verbose", metavar="PROFILE")
+    parser.add_option("-u", "--unbit", action="store_true", dest="unbit", help="build unbit profile")
+    parser.add_option("-p", "--plugin", action="callback", callback=vararg_callback, dest="plugin", help="build a plugin as shared library, optionally takes a build profile name", metavar="PLUGIN [PROFILE]")
+    parser.add_option("-x", "--extra-plugin", action="callback", callback=vararg_callback,  dest="extra_plugin", help="build an external plugin as shared library, takes an optional include dir", metavar="PLUGIN [INCLUDE_DIR]")
+    parser.add_option("-c", "--clean", action="store_true", dest="clean", help="clean the build")
+    parser.add_option("-e", "--check", action="store_true", dest="check", help="run cppcheck")
+    parser.add_option("-v", "--verbose", action="store_true", dest="verbose", help="more verbose build")
+    parser.add_option("-g", "--debug", action="store_true", dest="debug", help="build with debug symbols, affects only full build")
+    parser.add_option("-a", "--asan", action="store_true", dest="asan", help="build with address sanitizer, it's a debug option and affects only full build")
+
+    (options, args) = parser.parse_args()
+
+    if options.verbose:
+        verbose_build = True
+
+    add_cflags = []
+    add_ldflags = []
+
+    if options.debug:
+       add_cflags.append('-g')
+       add_ldflags.append('-g')
+
+    if options.asan:
+       add_cflags.extend(['-g', '-fsanitize=address', '-fno-omit-frame-pointer'])
+       add_ldflags.extend(['-g', '-fsanitize=address'])
+
+    if options.build is not None or options.cflags is not None:
+        is_cflags = options.cflags is not None
         try:
-            bconf = sys.argv[2]
+            if not is_cflags:
+                bconf = options.build[0]
+            else:
+                bconf = options.cflags[0]
         except:
-            pass
+            bconf = os.environ.get('UWSGI_PROFILE','default.ini')
         if not bconf.endswith('.ini'):
             bconf += '.ini'
         if not '/' in bconf:
             bconf = 'buildconf/%s' % bconf
-        build_uwsgi(uConf(bconf))
-    elif cmd == '--cflags':
-        bconf = os.environ.get('UWSGI_PROFILE','default.ini')
-        try:
-            bconf = sys.argv[2]
-        except:
-            pass
-        if not bconf.endswith('.ini'):
-            bconf += '.ini'
-        if not '/' in bconf:
-            bconf = 'buildconf/%s' % bconf
-        build_uwsgi(uConf(bconf, True), True)
-    elif cmd == '--unbit':
+
+        uc = uConf(bconf, is_cflags)
+        if add_cflags or add_ldflags:
+            gcc_list, cflags, ldflags, libs = uc.get_gcll()
+            if add_cflags:
+                cflags.extend(add_cflags)
+            if add_ldflags:
+                ldflags.extend(add_ldflags)
+            gcll = (gcc_list, cflags, ldflags, libs)
+        else:
+            gcll = None
+        build_uwsgi(uc, is_cflags, gcll=gcll)
+    elif options.unbit:
         build_uwsgi(uConf('buildconf/unbit.ini'))
-    elif cmd == '--plugin':
-        bconf = os.environ.get('UWSGI_PROFILE','default.ini')
+    elif options.plugin:
         try:
-            bconf = sys.argv[3]
+            bconf = options.plugin[1]
         except:
-            pass
+            bconf = os.environ.get('UWSGI_PROFILE','default.ini')
         if not bconf.endswith('.ini'):
             bconf += '.ini'
         if not '/' in bconf:
@@ -1348,29 +1433,28 @@ if __name__ == "__main__":
         uc = uConf(bconf)
         gcc_list, cflags, ldflags, libs = uc.get_gcll()
         try:
-            name = sys.argv[4]
+            name = options.plugin[2]
         except:
             name = None
-        print("*** uWSGI building and linking plugin %s ***" % sys.argv[2] )
-        build_plugin(sys.argv[2], uc, cflags, ldflags, libs, name)
-    elif cmd == '--extra-plugin':
+        print("*** uWSGI building and linking plugin %s ***" % options.plugin[0] )
+        build_plugin(options.plugin[0], uc, cflags, ldflags, libs, name)
+    elif options.extra_plugin:
         print("*** uWSGI building and linking plugin ***")
-        cflags = spcall("%s --cflags" % sys.argv[2]).split()
+        cflags = spcall("%s --cflags" % options.extra_plugin[0]).split()
         try:
-            cflags.append('-I%s' % sys.argv[3]) 
+            cflags.append('-I%s' % options.extra_plugin[1])
         except:
             pass
         build_plugin('.', None, cflags, [], [], None)
-    elif cmd == '--clean':
+    elif options.clean:
         os.system("rm -f core/*.o")
         os.system("rm -f proto/*.o")
         os.system("rm -f lib/*.o")
         os.system("rm -f plugins/*/*.o")
         os.system("rm -f build/*.o")
         os.system("rm -f core/dot_h.c")
-    elif cmd == '--check':
+    elif options.check:
         os.system("cppcheck --max-configs=1000 --enable=all -q core/ plugins/ proto/ lib/ apache2/")
-
     else:
-        print("unknown uwsgiconfig command")
+        parser.print_help()
         sys.exit(1)