daemon: fallback automatically when pcntl_signal() is not present

torne · Mar 22, 2010 · 1695664 · 1695664
1 parent 36d146f
commit 1695664
Show file tree

Hide file tree

Showing 2 changed files with 11 additions and 3 deletions.
diff --git a/update_daemon.php b/update_daemon.php
@@ -44,8 +44,12 @@ function sigalrm_handler() {
 		die("received SIGALRM, hang in feed update?\n");
 	}
 
-	pcntl_signal(SIGINT, sigint_handler);
-	pcntl_signal(SIGALRM, sigalrm_handler);
+	if (function_exists('pcntl_signal')) {
+		pcntl_signal(SIGINT, sigint_handler);
+		pcntl_signal(SIGALRM, sigalrm_handler);
+	} else {
+		_debug("Warning: pcntl_signal function not present, continuing without support for signals.");	
+	}
 
 	$lock_handle = make_lockfile("update_daemon.lock");
 

diff --git a/update_daemon2.php b/update_daemon2.php
@@ -27,8 +27,12 @@
 
 	define('SPAWN_INTERVAL', DAEMON_SLEEP_INTERVAL);
 
+	if (!function_exists('pcntl_fork')) {
+		die("error: This script requires PHP compiled with PCNTL module.\n");
+	}
+
 	if (!ENABLE_UPDATE_DAEMON) {
-		die("Please enable option ENABLE_UPDATE_DAEMON in config.php\n");
+		die("error: Please enable option ENABLE_UPDATE_DAEMON in config.php\n");
 	}
 
 	require_once "db.php";