From owner-freebsd-threads@FreeBSD.ORG Fri May 30 23:05:50 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 0B95F1065671; Fri, 30 May 2008 23:05:50 +0000 (UTC) (envelope-from deischen@freebsd.org) Received: from mail.netplex.net (mail.netplex.net [204.213.176.10]) by mx1.freebsd.org (Postfix) with ESMTP id D82708FC13; Fri, 30 May 2008 23:05:49 +0000 (UTC) (envelope-from deischen@freebsd.org) Received: from sea.ntplx.net (sea.ntplx.net [204.213.176.11]) by mail.netplex.net (8.14.3/8.14.3/NETPLEX) with ESMTP id m4UN5mrA016822; Fri, 30 May 2008 19:05:48 -0400 (EDT) X-Virus-Scanned: by AMaViS and Clam AntiVirus (mail.netplex.net) X-Greylist: Message whitelisted by DRAC access database, not delayed by milter-greylist-4.0 (mail.netplex.net [204.213.176.10]); Fri, 30 May 2008 19:05:48 -0400 (EDT) Date: Fri, 30 May 2008 19:05:48 -0400 (EDT) From: Daniel Eischen X-X-Sender: eischen@sea.ntplx.net To: John Baldwin In-Reply-To: <200805301748.29689.jhb@freebsd.org> Message-ID: References: <483FA1C0.2010506@freebsd.org> <200805301748.29689.jhb@freebsd.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: David Xu , freebsd-threads@freebsd.org Subject: Re: pthread_cleanup_push as a macro X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Daniel Eischen List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 May 2008 23:05:50 -0000 On Fri, 30 May 2008, John Baldwin wrote: > 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! I agree - Solaris does this too. I am unsure why you really need a strong_reference - I would prefer something that doesn't require it. -- DE