From owner-freebsd-threads@FreeBSD.ORG Tue Apr 24 17:34:56 2012 Return-Path: Delivered-To: freebsd-threads@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id E54AB1065672 for ; Tue, 24 Apr 2012 17:34:56 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from bigwig.baldwin.cx (bigknife-pt.tunnel.tserv9.chi1.ipv6.he.net [IPv6:2001:470:1f10:75::2]) by mx1.freebsd.org (Postfix) with ESMTP id B9FE88FC0A for ; Tue, 24 Apr 2012 17:34:56 +0000 (UTC) Received: from jhbbsd.localnet (unknown [209.249.190.124]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id 06546B95B; Tue, 24 Apr 2012 13:34:56 -0400 (EDT) From: John Baldwin To: Konstantin Belousov Date: Tue, 24 Apr 2012 13:34:37 -0400 User-Agent: KMail/1.13.5 (FreeBSD/8.2-CBSD-20110714-p13; KDE/4.5.5; amd64; ; ) References: <20120423084120.GD76983@zxy.spb.ru> <201204241110.14017.jhb@freebsd.org> <20120424165842.GZ2358@deviant.kiev.zoral.com.ua> In-Reply-To: <20120424165842.GZ2358@deviant.kiev.zoral.com.ua> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <201204241334.37580.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.7 (bigwig.baldwin.cx); Tue, 24 Apr 2012 13:34:56 -0400 (EDT) Cc: jack.ren@intel.com, freebsd-threads@freebsd.org Subject: Re: About the memory barrier in BSD libc X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Apr 2012 17:34:57 -0000 On Tuesday, April 24, 2012 12:58:42 pm Konstantin Belousov wrote: > On Tue, Apr 24, 2012 at 11:10:13AM -0400, John Baldwin wrote: > > Could you move the extern and THREAD_LOCK/UNLOCK macros into the stdio > > private header file? > > This requires more glue because spinlock.h is separate from libc_private.h. > I also added a comment trying to explain why assignment is braced with lock. This looks great, thanks! -- John Baldwin