rocklinux/package/base/bash/avoid_WCONTINUED-1.patch

Patch copied from: http://www.linuxfromscratch.org/lfs/view/development/chapter03/patches.html
 -stf

Submitted By: Jeremy Utley <jeremy@linuxfromscratch.org>
Date: 2004-10-13
Initial Package Version: 3.0
Upstream Status: Submitted Upstream
Origin: Originally created by Greg Schafer
Description: Bash-3.0 has a execution problem with newer Glibc's.  This patch,
submitted to bash-bugs by Tim Waugh, fixes the problem.  See:
http://lists.gnu.org/archive/html/bug-bash/2004-09/msg00081.html
Patch also contains a slight code change taken from Fedora SRPM.


diff -Naur bash-3.0.orig/jobs.c bash-3.0/jobs.c
--- bash-3.0.orig/jobs.c	2004-10-12 08:50:11.643481280 +0000
+++ bash-3.0/jobs.c	2004-10-12 08:51:35.110792320 +0000
@@ -2476,6 +2476,7 @@
   PROCESS *child;
   pid_t pid;
   int call_set_current, last_stopped_job, job, children_exited, waitpid_flags;
+  static int wcontinued_not_supported = 0;
 
   call_set_current = children_exited = 0;
   last_stopped_job = NO_JOB;
@@ -2489,7 +2490,15 @@
 			: 0;
       if (sigchld || block == 0)
 	waitpid_flags |= WNOHANG;
+    retry:
+      if (wcontinued_not_supported)
+	waitpid_flags &= ~WCONTINUED;
       pid = WAITPID (-1, &status, waitpid_flags);
+      if (pid == -1 && errno == EINVAL)
+	{
+	  wcontinued_not_supported = 1;
+	  goto retry;
+	}
 
       /* The check for WNOHANG is to make sure we decrement sigchld only
 	 if it was non-zero before we called waitpid. */