From ad68658c3cb383f21f9ed5b288ad74582ffff84a Mon Sep 17 00:00:00 2001
From: daniceexi <wxp@cn.ibm.com>
Date: Mon, 29 Dec 2014 02:47:43 -0500
Subject: [PATCH] defect 4500: skip the PIPE signal when call
 xcatd->relay_fds() to receive messages from plugin processes

---
 xCAT-server/sbin/xcatd | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/xCAT-server/sbin/xcatd b/xCAT-server/sbin/xcatd
index fb1bec30b..f100aa0ad 100755
--- a/xCAT-server/sbin/xcatd
+++ b/xCAT-server/sbin/xcatd
@@ -2392,6 +2392,11 @@ sub relay_fds { #Relays file descriptors from pipes to children to the SSL socke
   my $rfh;
   my $rc = @readyset;
   my $text;
+
+  # A PIPE signal might be received when run fd_retrieve from the plugin sub processors
+  # This mostly happens when there are multiple plugins are called for certain command
+  # So spkit the pipe error handle
+  $pipeexpected=1;
   foreach $rfh (@readyset) { #go through each child, extract a complete, atomic message
     my $line;
     my $resp;