From c67d9135c1e1c4dd5cb9347ede95d3c148398bdb Mon Sep 17 00:00:00 2001
From: jbjohnso <jbjohnso@8638fb3e-16cb-4fca-ae20-7b5d299a9bcd>
Date: Wed, 5 Jun 2013 13:58:03 +0000
Subject: [PATCH] Accept ECHILD as meaning the same thing as EAGAIN on
 sysread/syswrite to accomodate seemingly flawed platform behavior

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@16548 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
---
 xCAT-server/sbin/xcatd | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xCAT-server/sbin/xcatd b/xCAT-server/sbin/xcatd
index 84b193a8d..5f3144a43 100755
--- a/xCAT-server/sbin/xcatd
+++ b/xCAT-server/sbin/xcatd
@@ -1990,7 +1990,7 @@ sub service_connection {
       my $bytesread;
       do  { $bytesread=sysread($sock,$line,65536,length($line)) } while ($bytesread);
       if (length($line)==0) {
-	      if (not defined $bytesread and $! == EAGAIN) { next; } #
+	      if (not defined $bytesread and ($! == EAGAIN or $! == ECHILD)) { next; } # ECHILD makes no sense, but some platform does it
 	      last;
       }
     	 $flags=fcntl($sock,F_GETFL,0);
@@ -2145,7 +2145,7 @@ sub send_pending_responses {
                         foreach (0..$blocks) {
                                 do {
                                 syswrite($sock,$resp,4096,$_*4096);
-                                } while ($! == EAGAIN);
+                                } while (($! == EAGAIN) or ($! == ECHILD));
                         }
 	      	};
 }