From 6405333995acc0107254f9d8a16ffc427097253f Mon Sep 17 00:00:00 2001
From: Ermal <eri@pfsense.org>
Date: Wed, 23 May 2012 12:54:51 +0000
Subject: [PATCH] Prevent 2 instances of rc.prunecaptiveportal from running in
 parallell since this might be a bad thing

---
 etc/rc.prunecaptiveportal | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/etc/rc.prunecaptiveportal b/etc/rc.prunecaptiveportal
index ee6c943a8a..3a8620ff3d 100755
--- a/etc/rc.prunecaptiveportal
+++ b/etc/rc.prunecaptiveportal
@@ -38,7 +38,17 @@ require_once("filter.inc");
 require_once("shaper.inc");
 require_once("captiveportal.inc");
 
+global $g;
+
 $cpzone = str_replace("\n", "", $argv[1]);
+
+if (file_exists("{$g['tmp_path']}/.rc.prunecaptiveportal.{$cpzone}.running")) {
+        log_error("Skipping CP prunning process because previous/another instance is already running");
+        return;
+}
+
+@file_put_contents("{$g['tmp_path']}/.rc.prunecaptiveportal.{$cpzone}.running", "");
 captiveportal_prune_old();
+@unlink("{$g['tmp_path']}/.rc.prunecaptiveportal.{$cpzone}.running");
 
 ?>