daemon: enable master lockfile

2013-02-25 21:28:34 +04:00 · 2013-02-25 21:28:34 +04:00 · 1a43a68cb1
parent 7c9f819f1e
commit 1a43a68cb1
1 changed files with 8 additions and 0 deletions
--- a/update_daemon2.php
+++ b/update_daemon2.php
@ -113,6 +113,14 @@
 			"Maybe another daemon is already running.\n");
 	}

+	// Try to lock a file in order to avoid concurrent update.
+	$lock_handle = make_lockfile("update_daemon.lock");
+
+	if (!$lock_handle) {
+		die("error: Can't create lockfile. ".
+			"Maybe another daemon is already running.\n");
+	}
+
 	/* if (!pcntl_fork()) {
 		pcntl_signal(SIGINT, 'sigint_handler');
 		register_shutdown_function('shutdown');