From owner-cvs-src@FreeBSD.ORG Mon Nov 1 17:11:35 2004 Return-Path: Delivered-To: cvs-src@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9F1C116A4CE; Mon, 1 Nov 2004 17:11:35 +0000 (GMT) Received: from mail.ntplx.net (mail.ntplx.net [204.213.176.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id 21DFA43D48; Mon, 1 Nov 2004 17:11:35 +0000 (GMT) (envelope-from deischen@freebsd.org) Received: from sea.ntplx.net (sea.ntplx.net [204.213.176.11]) iA1HBXcx029665; Mon, 1 Nov 2004 12:11:34 -0500 (EST) Date: Mon, 1 Nov 2004 12:11:33 -0500 (EST) From: Daniel Eischen X-X-Sender: eischen@sea.ntplx.net To: Brian Fundakowski Feldman In-Reply-To: <20041101152916.GV93831@green.homeunix.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Virus-Scanned: by AMaViS and Clam AntiVirus (mail.ntplx.net) cc: cvs-src@freebsd.org cc: src-committers@freebsd.org cc: cvs-all@freebsd.org Subject: Re: cvs commit: src/lib/libpthread/thread thr_mutex.c X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Daniel Eischen List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Nov 2004 17:11:35 -0000 On Mon, 1 Nov 2004, Brian Fundakowski Feldman wrote: > On Mon, Nov 01, 2004 at 09:31:10AM -0500, Daniel Eischen wrote: > > On Sun, 31 Oct 2004, Daniel Eischen wrote: > > > > > On Sun, 31 Oct 2004, Brian Feldman wrote: > > > > > > > green 2004-10-31 05:03:50 UTC > > > > > > > > FreeBSD src repository > > > > > > > > Modified files: > > > > lib/libpthread/thread thr_mutex.c > > > > Log: > > > > Make pthread_mutex_trylock(3) return EBUSY on failure, as all software > > > > packages expect and seems to be most correct according to the slightly- > > > > ambiguous standards. > > > > > > > > MFC after: 1 month > > > > Corroborated by: POSIX > > > > Reviewed by: silence on threads@ > > > > > > I never saw this, and there has been a couple of long threads about > > > it. The current behavior was deemed correct especially since default > > > mutexes are error check mutexes. The rationale is that it provides a way > > > for a thread to tell if it owns the mutex if EDEADLK is returned. > > > > > > Please back out and sorry for not seeing a posting on -threads. > > > > I retract the backout request. I have response from Dave Butenhof > > over at the Austin Group mailing list, and EBUSY should be returned > > even for error check mutexes. He acknolwedged the spec was not > > clear and thought they had cleaned it up in that regard. So this > > is the correct fix :-) > > Could you please remind me what the procedure is for including > POSIX text within our manual pages? For pthreads it should be > trivial to use almost the same text, since we didn't originate > the interfaces ourselves, no? See the -standards folks, and probably Ruslan. From what I understand, we have approval to include POSIX man pages. -- Dan Eischen