From owner-svn-src-releng@FreeBSD.ORG  Sat Aug 24 13:58:18 2013
Return-Path: <owner-svn-src-releng@FreeBSD.ORG>
Delivered-To: svn-src-releng@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTP id 3FE56699;
 Sat, 24 Aug 2013 13:58:18 +0000 (UTC)
 (envelope-from emaste@FreeBSD.org)
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 2D89E2F7E;
 Sat, 24 Aug 2013 13:58:18 +0000 (UTC)
Received: from svn.freebsd.org ([127.0.1.70])
 by svn.freebsd.org (8.14.7/8.14.7) with ESMTP id r7ODwI5T030267;
 Sat, 24 Aug 2013 13:58:18 GMT (envelope-from emaste@svn.freebsd.org)
Received: (from emaste@localhost)
 by svn.freebsd.org (8.14.7/8.14.5/Submit) id r7ODwIJ3030266;
 Sat, 24 Aug 2013 13:58:18 GMT (envelope-from emaste@svn.freebsd.org)
Message-Id: <201308241358.r7ODwIJ3030266@svn.freebsd.org>
From: Ed Maste <emaste@FreeBSD.org>
Date: Sat, 24 Aug 2013 13:58:18 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-releng@freebsd.org
Subject: svn commit: r254785 - releng/9.2/include
X-SVN-Group: releng
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-releng@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: SVN commit messages for the release engineering / security commits to
 the src tree <svn-src-releng.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-releng>,
 <mailto:svn-src-releng-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-releng>
List-Post: <mailto:svn-src-releng@freebsd.org>
List-Help: <mailto:svn-src-releng-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-releng>,
 <mailto:svn-src-releng-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 24 Aug 2013 13:58:18 -0000

Author: emaste
Date: Sat Aug 24 13:58:17 2013
New Revision: 254785
URL: http://svnweb.freebsd.org/changeset/base/254785

Log:
  MF9 r254783: Correct implementation of atomic_flag_test_and_set
  
  Approved by:	re

Modified:
  releng/9.2/include/stdatomic.h
Directory Properties:
  releng/9.2/include/   (props changed)

Modified: releng/9.2/include/stdatomic.h
==============================================================================
--- releng/9.2/include/stdatomic.h	Sat Aug 24 13:54:56 2013	(r254784)
+++ releng/9.2/include/stdatomic.h	Sat Aug 24 13:58:17 2013	(r254785)
@@ -322,7 +322,7 @@ typedef atomic_bool			atomic_flag;
 #define	atomic_flag_clear_explicit(object, order)			\
 	atomic_store_explicit(object, 0, order)
 #define	atomic_flag_test_and_set_explicit(object, order)		\
-	atomic_compare_exchange_strong_explicit(object, 0, 1, order, order)
+	atomic_exchange_explicit(object, 1, order)
 
 #define	atomic_flag_clear(object)					\
 	atomic_flag_clear_explicit(object, memory_order_seq_cst)