From owner-freebsd-threads@FreeBSD.ORG Sun Apr 27 08:02:09 2003 Return-Path: Delivered-To: freebsd-threads@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6BE0837B401 for ; Sun, 27 Apr 2003 08:02:09 -0700 (PDT) Received: from mail.pcnet.com (mail.pcnet.com [204.213.232.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id B4A1143F85 for ; Sun, 27 Apr 2003 08:02:08 -0700 (PDT) (envelope-from eischen@pcnet1.pcnet.com) Received: from pcnet1.pcnet.com (localhost [127.0.0.1]) by mail.pcnet.com (8.12.8/8.12.1) with ESMTP id h3RF27Bg022218; Sun, 27 Apr 2003 11:02:07 -0400 (EDT) Received: from localhost (eischen@localhost)h3RF255o022202; Sun, 27 Apr 2003 11:02:07 -0400 (EDT) Date: Sun, 27 Apr 2003 11:02:05 -0400 (EDT) From: Daniel Eischen To: David Xu In-Reply-To: <000e01c30cb4$30289b40$0701a8c0@tiger> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-threads@freebsd.org Subject: Re: pthread_join X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 27 Apr 2003 15:02:09 -0000 On Sun, 27 Apr 2003, David Xu wrote: > I found I can not get the following race fixed: > Thread A is a joiner of thread B, thread C calls pthread_cancel on A, > because of multipile scheduler locks, I can not get the race fixed. > Is it possible we just use a single scheduler lock to simplify things a bit? Hmm, you mean if thread A is already joined on B? I don't see the race. Everything looks right. We don't take multiple scheduling locks at the same time, so everything should work. -- Dan Eischen