From fb30b6bbf28d91667dcb9691dfeefffac4f99b82 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sun, 18 Oct 2009 00:24:19 +0200
Subject: Fix pthread_kill(thread, 0)

* sysdeps/hurd/pt-kill.c (pthread_kill): Return immediately after checks
without calling _hurd_raise_signal if sig is 0.
---
 sysdeps/hurd/pt-kill.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sysdeps/hurd/pt-kill.c b/sysdeps/hurd/pt-kill.c
index f970e06..d204e3f 100644
--- a/sysdeps/hurd/pt-kill.c
+++ b/sysdeps/hurd/pt-kill.c
@@ -39,6 +39,9 @@ pthread_kill (pthread_t thread, int sig)
   ss = _hurd_thread_sigstate (pthread->kernel_thread);
   assert (ss);
 
+  if (!sig)
+    return 0;
+
   detail.exc = 0;
   detail.code = sig;
   detail.error = 0;
-- 
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