From: Andrew Dolgov <fox@madoka.volgo-balt.ru>
Date: Mon, 25 Feb 2013 17:28:34 +0000 (+0400)
Subject: daemon: enable master lockfile
X-Git-Tag: 1.7.1~43
X-Git-Url: https://git.wh0rd.org/?p=tt-rss.git;a=commitdiff_plain;h=1a43a68cb107205d43fee40a1d71cc998d6abc74

daemon: enable master lockfile
---

diff --git a/update_daemon2.php b/update_daemon2.php
index f2a96262..cee61bb6 100755
--- 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');