Add support to set the maximum number of files open when Asterisk loads using...

Add support to set the maximum number of files open when Asterisk loads using the 'maxfiles' configuration option. (issue #7499 reported by rkarlsba)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@47933 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/asterisk.c

@@ -1013,6 +1013,29 @@ static void child_handler(int sig)
 	signal(sig, child_handler);
 }
 
+/*! \brief Set maximum open files */
+static void set_ulimit(int value)
+{
+	struct rlimit l = {0, 0};
+	
+	if (value <= 0) {
+		ast_log(LOG_WARNING, "Unable to change max files open to invalid value %i\n",value);
+		return;
+	}
+	
+	l.rlim_cur = value;
+	l.rlim_max = value;
+	
+	if (setrlimit(RLIMIT_NOFILE, &l)) {
+		ast_log(LOG_WARNING, "Unable to disable core size resource limit: %s\n",strerror(errno));
+		return;
+	}
+	
+	ast_log(LOG_NOTICE, "Setting max files open to %d\n",value);
+	
+	return;
+}
+
 /*! \brief Set an X-term or screen title */
 static void set_title(char *text)
 {
@@ -2293,6 +2316,9 @@ static void ast_readconfig(void)
 			} else if ((sscanf(v->value, "%lf", &option_maxload) != 1) || (option_maxload < 0.0)) {
 				option_maxload = 0.0;
 			}
+		/* Set the maximum amount of open files */
+		} else if (!strcasecmp(v->name, "maxfiles")) {
+			set_ulimit(atoi(v->value));
 		/* What user to run as */
 		} else if (!strcasecmp(v->name, "runuser")) {
 			ast_copy_string(ast_config_AST_RUN_USER, v->value, sizeof(ast_config_AST_RUN_USER));