Added master rlimit_files and rlimit_core in the global configuration settings

NEWS

@@ -175,6 +175,8 @@ PHP                                                                        NEWS
   . Added xml format to the status page. (fat)
   . Remove timestamp in logs written by children processes. (fat)
   . Fixed exit at FPM startup on fpm_resources_prepare() errors. (fat)
+  . Added master rlimit_files and rlimit_core in the global configuration
+    settings. (fat)
 
 - Reflection extension:
   . Fixed bug #54347 (reflection_extension does not lowercase module function

sapi/fpm/fpm/fpm_conf.c

@@ -63,13 +63,15 @@ static char *ini_include = NULL;
 #define WPO(field) offsetof(struct fpm_worker_pool_config_s, field)
 
 static struct ini_value_parser_s ini_fpm_global_options[] = {
-	{ "emergency_restart_threshold", 	&fpm_conf_set_integer, 	GO(emergency_restart_threshold) },
-	{ "emergency_restart_interval",		&fpm_conf_set_time,			GO(emergency_restart_interval) },
-	{ "process_control_timeout",			&fpm_conf_set_time,			GO(process_control_timeout) },
-	{ "daemonize",										&fpm_conf_set_boolean,	GO(daemonize) },
-	{ "pid",													&fpm_conf_set_string,		GO(pid_file) },
-	{ "error_log",										&fpm_conf_set_string,		GO(error_log) },
+	{ "emergency_restart_threshold", 	&fpm_conf_set_integer, 		GO(emergency_restart_threshold) },
+	{ "emergency_restart_interval",		&fpm_conf_set_time,				GO(emergency_restart_interval) },
+	{ "process_control_timeout",			&fpm_conf_set_time,				GO(process_control_timeout) },
+	{ "daemonize",										&fpm_conf_set_boolean,		GO(daemonize) },
+	{ "pid",													&fpm_conf_set_string,			GO(pid_file) },
+	{ "error_log",										&fpm_conf_set_string,			GO(error_log) },
 	{ "log_level",										&fpm_conf_set_log_level,	0 },
+	{ "rlimit_files",									&fpm_conf_set_integer,		GO(rlimit_files) },
+	{ "rlimit_core",									&fpm_conf_set_rlimit_core,GO(rlimit_core) },
 	{ 0, 0, 0 }
 };
 
@@ -255,10 +257,10 @@ static char *fpm_conf_set_log_level(zval *value, void **config, intptr_t offset)
 static char *fpm_conf_set_rlimit_core(zval *value, void **config, intptr_t offset) /* {{{ */
 {
 	char *val = Z_STRVAL_P(value);
-	struct fpm_worker_pool_config_s *c = *config;
+	int *ptr = (int *) ((char *) *config + offset);
 
 	if (!strcasecmp(val, "unlimited")) {
-		c->rlimit_core = -1;
+		*ptr = -1;
 	} else {
 		int int_value;
 		void *subconf = &int_value;
@@ -274,7 +276,7 @@ static char *fpm_conf_set_rlimit_core(zval *value, void **config, intptr_t offse
 			return "must be greater than zero or 'unlimited'";
 		}
 
-		c->rlimit_core = int_value;
+		*ptr = int_value;
 	}
 
 	return NULL;
@@ -1117,6 +1119,8 @@ static void fpm_conf_dump() /* {{{ */
 	zlog(ZLOG_NOTICE, "\tprocess_control_timeout = %ds", fpm_global_config.process_control_timeout);
 	zlog(ZLOG_NOTICE, "\temergency_restart_interval = %ds", fpm_global_config.emergency_restart_interval);
 	zlog(ZLOG_NOTICE, "\temergency_restart_threshold = %d", fpm_global_config.emergency_restart_threshold);
+	zlog(ZLOG_NOTICE, "\trlimit_files = %d", fpm_global_config.rlimit_files);
+	zlog(ZLOG_NOTICE, "\trlimit_core = %d", fpm_global_config.rlimit_core);
 	zlog(ZLOG_NOTICE, " ");
 
 	for (wp = fpm_worker_all_pools; wp; wp = wp->next) {

sapi/fpm/fpm/fpm_conf.h

@@ -29,6 +29,8 @@ struct fpm_global_config_s {
 	int daemonize;
 	char *pid_file;
 	char *error_log;
+	int rlimit_files;
+	int rlimit_core;
 };
 
 extern struct fpm_global_config_s fpm_global_config;

sapi/fpm/fpm/fpm_unix.c

@@ -153,7 +153,7 @@ int fpm_unix_init_child(struct fpm_worker_pool_s *wp) /* {{{ */
 		r.rlim_max = r.rlim_cur = (rlim_t) wp->config->rlimit_files;
 
 		if (0 > setrlimit(RLIMIT_NOFILE, &r)) {
-			zlog(ZLOG_SYSERROR, "[pool %s] setrlimit(RLIMIT_NOFILE, %d) failed (%d)", wp->config->name, wp->config->rlimit_files, errno);
+			zlog(ZLOG_SYSERROR, "[pool %s] unable to set rlimit_files for this pool. Please check your system limits or decrease rlimit_files. setrlimit(RLIMIT_NOFILE, %d) failed (%d)", wp->config->name, wp->config->rlimit_files, errno);
 		}
 	}
 
@@ -163,7 +163,7 @@ int fpm_unix_init_child(struct fpm_worker_pool_s *wp) /* {{{ */
 		r.rlim_max = r.rlim_cur = wp->config->rlimit_core == -1 ? (rlim_t) RLIM_INFINITY : (rlim_t) wp->config->rlimit_core;
 
 		if (0 > setrlimit(RLIMIT_CORE, &r)) {
-			zlog(ZLOG_SYSERROR, "[pool %s] setrlimit(RLIMIT_CORE, %d) failed (%d)", wp->config->name, wp->config->rlimit_core, errno);
+			zlog(ZLOG_SYSERROR, "[pool %s] unable to set rlimit_core for this pool. Please check your system limits or decrease rlimit_core. setrlimit(RLIMIT_CORE, %d) failed (%d)", wp->config->name, wp->config->rlimit_core, errno);
 		}
 	}
 
@@ -220,6 +220,28 @@ int fpm_unix_init_main() /* {{{ */
 {
 	struct fpm_worker_pool_s *wp;
 
+	if (fpm_global_config.rlimit_files) {
+		struct rlimit r;
+
+		r.rlim_max = r.rlim_cur = (rlim_t) fpm_global_config.rlimit_files;
+
+		if (0 > setrlimit(RLIMIT_NOFILE, &r)) {
+			zlog(ZLOG_SYSERROR, "unable to set rlimit_core for this pool. Please check your system limits or decrease rlimit_files. setrlimit(RLIMIT_NOFILE, %d) failed (%d)", fpm_global_config.rlimit_files, errno);
+			return -1;
+		}
+	}
+
+	if (fpm_global_config.rlimit_core) {
+		struct rlimit r;
+
+		r.rlim_max = r.rlim_cur = fpm_global_config.rlimit_core == -1 ? (rlim_t) RLIM_INFINITY : (rlim_t) fpm_global_config.rlimit_core;
+
+		if (0 > setrlimit(RLIMIT_CORE, &r)) {
+			zlog(ZLOG_SYSERROR, "unable to set rlimit_core for this pool. Please check your system limits or decrease rlimit_core. setrlimit(RLIMIT_CORE, %d) failed (%d)", fpm_global_config.rlimit_core, errno);
+			return -1;
+		}
+	}
+
 	fpm_pagesize = getpagesize();
 	if (fpm_global_config.daemonize) {
 		switch (fork()) {

sapi/fpm/php-fpm.conf.in

@@ -57,6 +57,15 @@
 ; Send FPM to background. Set to 'no' to keep FPM in foreground for debugging.
 ; Default Value: yes
 ;daemonize = yes
+ 
+; Set open file descriptor rlimit for the master process.
+; Default Value: system defined value
+;rlimit_files = 1024
+ 
+; Set max core size rlimit for the master process.
+; Possible Values: 'unlimited' or an integer greater or equal to 0
+; Default Value: system defined value
+;rlimit_core = 0
 
 ;;;;;;;;;;;;;;;;;;;;
 ; Pool Definitions ;