[Devmon-devel] SF.net SVN: devmon:[222] trunk/modules/dm_snmp.pm

[<buc...@us...>]

Revision: 222
          http://devmon.svn.sourceforge.net/devmon/?rev=222&view=rev
Author:   buchanmilne
Date:     2011-04-04 10:32:02 +0000 (Mon, 04 Apr 2011)

Log Message:
-----------
Try and avoid CPU racing by forks if master is unresponsive

Modified Paths:
--------------
    trunk/modules/dm_snmp.pm

Modified: trunk/modules/dm_snmp.pm
===================================================================
--- trunk/modules/dm_snmp.pm	2011-03-22 07:58:22 UTC (rev 221)
+++ trunk/modules/dm_snmp.pm	2011-04-04 10:32:02 UTC (rev 222)
@@ -522,11 +522,14 @@
        # Our getline timed out, which means we haven't gotten any data
        # in a while.  Make sure our parent is still there
         if($@) {
-	  do_log("Fork $fork_num timed out waiting for data from parent: $@",4);
+	  do_log("Fork $fork_num timed out waiting for data from parent: $@",3);
           if (!kill 0, $g{'mypid'}) {
             do_log("Parent is no longer running, fork $fork_num exiting");
 	    exit 1;
           }
+          my $sleeptime = $g{'cycletime'} / 2;
+          do_log("Parent ($g{'mypid'}) seems to be running, fork $fork_num sleeping for $sleeptime",3);
+          sleep $sleeptime;
         }
 
         $serialized .= $string_in if defined $string_in;


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