From owner-svn-src-head@FreeBSD.ORG  Thu Mar 13 06:54:10 2014
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id B5F9BF62;
 Thu, 13 Mar 2014 06:54:10 +0000 (UTC)
Received: from svn.freebsd.org (svn.freebsd.org
 [IPv6:2001:1900:2254:2068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id A30F2CE1;
 Thu, 13 Mar 2014 06:54:10 +0000 (UTC)
Received: from svn.freebsd.org ([127.0.1.70])
 by svn.freebsd.org (8.14.8/8.14.8) with ESMTP id s2D6sAGs041520;
 Thu, 13 Mar 2014 06:54:10 GMT (envelope-from davidxu@svn.freebsd.org)
Received: (from davidxu@localhost)
 by svn.freebsd.org (8.14.8/8.14.8/Submit) id s2D6sAJ6041519;
 Thu, 13 Mar 2014 06:54:10 GMT (envelope-from davidxu@svn.freebsd.org)
Message-Id: <201403130654.s2D6sAJ6041519@svn.freebsd.org>
From: David Xu <davidxu@FreeBSD.org>
Date: Thu, 13 Mar 2014 06:54:10 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r263107 - head/lib/libc/gen
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head/>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 13 Mar 2014 06:54:10 -0000

Author: davidxu
Date: Thu Mar 13 06:54:10 2014
New Revision: 263107
URL: http://svnweb.freebsd.org/changeset/base/263107

Log:
  To avoid missing a chance to cancel thread, call _pthread_testcancel at the
  beginning of _sem_timedwait.
  
  Submitted by:	Eric van Gyzen &lt; eric at vangyzen dot net &gt;
  MFC after:	3 days

Modified:
  head/lib/libc/gen/sem_new.c

Modified: head/lib/libc/gen/sem_new.c
==============================================================================
--- head/lib/libc/gen/sem_new.c	Thu Mar 13 05:17:53 2014	(r263106)
+++ head/lib/libc/gen/sem_new.c	Thu Mar 13 06:54:10 2014	(r263107)
@@ -381,6 +381,7 @@ _sem_timedwait(sem_t * __restrict sem,
 		return (-1);
 
 	retval = 0;
+	_pthread_testcancel();
 	for (;;) {
 		while ((val = sem->_kern._count) > 0) {
 			if (atomic_cmpset_acq_int(&sem->_kern._count, val, val - 1))