diff -pruN bash-4.1/jobs.c bash-4.1.patched/jobs.c

--- bash-4.1/jobs.c	2009-11-30 03:42:05.000000000 +0530

+++ bash-4.1.patched/jobs.c	2012-03-06 16:44:15.706595703 +0530

@@ -3037,6 +3037,7 @@ waitchld (wpid, block)

   pid_t pid;

   int call_set_current, last_stopped_job, job, children_exited, waitpid_flags;

+  int called_from_sighand = sigchld;

   static int wcontinued = WCONTINUED;	/* run-time fix for glibc problem */

   call_set_current = children_exited = 0;