From: Stefan Schantl <stefan.schantl@ipfire.org>
Date: Sat, 18 Oct 2014 15:59:03 +0000 (+0200)
Subject: guardian: Exit if no files are watched.
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e419e5154c6be00857f54693c47ecb6c7a098aad;p=people%2Fstevee%2Fipfire-2.x.git

guardian: Exit if no files are watched.
---

diff --git a/config/guardian/guardian.pl b/config/guardian/guardian.pl
index 9bb586f5a6..99723c88fa 100644
--- a/config/guardian/guardian.pl
+++ b/config/guardian/guardian.pl
@@ -291,10 +291,18 @@ sub handle_httpd ($) {
 sub create_watcher {
 	$watcher = new Linux::Inotify2 or die "Could not use inotify. $!\n";
 
+	# Check if the array contains elements.
+	if(@monitored_files) {
 	# Create watcher for each file in array.
-	foreach my $file (@monitored_files) {
-		$watcher->watch("$file", IN_MODIFY) or die "Could not monitor $file. $!\n";
-		&logger("debug", "Created watcher for $file\n");
+		foreach my $file (@monitored_files) {
+			$watcher->watch("$file", IN_MODIFY) or die "Could not monitor $file. $!\n";
+			&logger("debug", "Created watcher for $file\n");
+		}
+	} else {
+	&logger("info", "No file(s) to watch. Exiting.\n");
+
+	# Call subroutine to safe exit the programm.
+	&clean_up_and_exit;
 	}
 }