From owner-cvs-all@FreeBSD.ORG Wed Mar 2 14:24:30 2005 Return-Path: Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C370B16A4D0 for ; Wed, 2 Mar 2005 14:24:30 +0000 (GMT) Received: from mail28.sea5.speakeasy.net (mail28.sea5.speakeasy.net [69.17.117.30]) by mx1.FreeBSD.org (Postfix) with ESMTP id 271CF43D49 for ; Wed, 2 Mar 2005 14:24:30 +0000 (GMT) (envelope-from jhb@FreeBSD.org) Received: (qmail 20479 invoked from network); 2 Mar 2005 14:24:29 -0000 Received: from server.baldwin.cx ([216.27.160.63]) (envelope-sender )AES256-SHA encrypted SMTP for ; 2 Mar 2005 14:24:29 -0000 Received: from [10.50.40.202] (gw1.twc.weather.com [216.133.140.1]) (authenticated bits=0) by server.baldwin.cx (8.13.1/8.13.1) with ESMTP id j22EONKs081247; Wed, 2 Mar 2005 09:24:23 -0500 (EST) (envelope-from jhb@FreeBSD.org) From: John Baldwin To: David Xu Date: Wed, 2 Mar 2005 09:15:28 -0500 User-Agent: KMail/1.6.2 References: <200503021343.j22DhpQ3075008@repoman.freebsd.org> In-Reply-To: <200503021343.j22DhpQ3075008@repoman.freebsd.org> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200503020915.28512.jhb@FreeBSD.org> X-Spam-Status: No, score=-102.8 required=4.2 tests=ALL_TRUSTED, USER_IN_WHITELIST autolearn=failed version=3.0.2 X-Spam-Checker-Version: SpamAssassin 3.0.2 (2004-11-16) on server.baldwin.cx cc: cvs-src@FreeBSD.org cc: src-committers@FreeBSD.org cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern kern_sig.c X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Mar 2005 14:24:31 -0000 On Wednesday 02 March 2005 08:43 am, David Xu wrote: > davidxu 2005-03-02 13:43:51 UTC > > FreeBSD src repository > > Modified files: > sys/kern kern_sig.c > Log: > In kern_sigtimedwait, remove waitset bits for td_sigmask before > sleeping, so in do_tdsignal, we no longer need to test td_waitset. > now td_waitset is only used to give a thread higher priority when > delivering signal to multithreads process. > This also fixes a bug: > when a thread in sigwait states was suspended and later resumed > by SIGCONT, it can no longer receive signals belong to waitset. Is this related at all to Peter Holm's panic where sigwait() + swapping invokes a panic? -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org