From 99159d15defe57fb0baaf47f6adf5397edff6ac0 Mon Sep 17 00:00:00 2001
From: jbjohnso <jbjohnso@8638fb3e-16cb-4fca-ae20-7b5d299a9bcd>
Date: Tue, 17 Jun 2008 17:51:26 +0000
Subject: [PATCH] -Prevent a discovery action within a plugin crash from
 kicking off exponential discovery

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@1679 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
---
 xCAT-server/sbin/xcatd | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/xCAT-server/sbin/xcatd b/xCAT-server/sbin/xcatd
index 57722351c..d64fae069 100755
--- a/xCAT-server/sbin/xcatd
+++ b/xCAT-server/sbin/xcatd
@@ -298,6 +298,7 @@ if ($inet6support) {
   my $client;
   my $peerhost;
   my %packets;
+  my $actualpid=$$;
   until ($quit) {
     eval { 
 	while (1) {	
@@ -348,6 +349,9 @@ if ($inet6support) {
     if ($@) {
       syslog("local4|err","xcatd: possible BUG encountered by xCAT UDP service: ".$@);
     }
+    unless ($actualpid == $$) { #We should absolutely never be here, exponential growth from a plugin crash.
+        exit 1;
+    }
   }
 }