From 0677a80cdf98418cfe641d27cfc492d7459c5b45 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@gnu.org>
Date: Wed, 22 Feb 1995 23:11:54 +0000
Subject: [PATCH] * hurd/hurdsig.c (_hurd_internal_post_signal): Ignore
 preempter

 	elts with null handlers.
---
 ChangeLog      | 3 +++
 hurd/hurdsig.c | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 903f7e970f..fb32cec428 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 Wed Feb 22 00:44:41 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>
 
+	* hurd/hurdsig.c (_hurd_internal_post_signal): Ignore preempter
+ 	elts with null handlers.
+
 	* sysdeps/mach/hurd/i386/sigreturn.c: Restore the FPU state.
 
 Tue Feb 21 21:53:30 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>
diff --git a/hurd/hurdsig.c b/hurd/hurdsig.c
index 2c6f6a17d2..d93d4c2a8d 100644
--- a/hurd/hurdsig.c
+++ b/hurd/hurdsig.c
@@ -472,7 +472,7 @@ _hurd_internal_post_signal (struct hurd_sigstate *ss,
      can arrive during critical sections.  */
   __mutex_lock (&_hurd_signal_preempt_lock);
   for (pe = _hurd_signal_preempt[signo]; pe != NULL; pe = pe->next)
-    if (sigcode >= pe->first && sigcode <= pe->last)
+    if (pe->handler && sigcode >= pe->first && sigcode <= pe->last)
       {
 	preempt = pe->handler;
 	break;