From owner-freebsd-threads@FreeBSD.ORG Fri May 30 21:48:45 2008 Return-Path: Delivered-To: freebsd-threads@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A5BD4106566C; Fri, 30 May 2008 21:48:45 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from server.baldwin.cx (bigknife-pt.tunnel.tserv9.chi1.ipv6.he.net [IPv6:2001:470:1f10:75::2]) by mx1.freebsd.org (Postfix) with ESMTP id 61B1D8FC22; Fri, 30 May 2008 21:48:45 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from localhost.corp.yahoo.com (john@localhost [IPv6:::1]) (authenticated bits=0) by server.baldwin.cx (8.14.2/8.14.2) with ESMTP id m4ULmX9V027000; Fri, 30 May 2008 17:48:39 -0400 (EDT) (envelope-from jhb@FreeBSD.org) From: John Baldwin To: freebsd-threads@FreeBSD.org Date: Fri, 30 May 2008 17:48:29 -0400 User-Agent: KMail/1.9.7 References: <483FA1C0.2010506@freebsd.org> In-Reply-To: <483FA1C0.2010506@freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200805301748.29689.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [IPv6:::1]); Fri, 30 May 2008 17:48:39 -0400 (EDT) X-Virus-Scanned: ClamAV 0.91.2/7298/Fri May 30 15:28:07 2008 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-2.6 required=4.2 tests=BAYES_00,NO_RELAYS autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: David Xu Subject: Re: pthread_cleanup_push as a macro 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: Fri, 30 May 2008 21:48:45 -0000 On Friday 30 May 2008 02:42:08 am David Xu wrote: > I would like to make pthread_cleanup_push and pthread_cleanup_pop as a > pair of macros, the current implementation has to malloc() and free() a > pthread_cleanup memory block everytime, this is slow, the new one > simply uses stack space, note that other OSes have already done it in > this way. The patch keeps old functions and should not have binary > compatible problem. > > http://people.freebsd.org/~davidxu/patch/pthread_cleanup_push.patch Please do! -- John Baldwin