From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <pthreads-win32-return-957-listarch-pthreads-win32=sources.redhat.com@sources.redhat.com>
Received: (qmail 32597 invoked by alias); 8 Mar 2005 17:14:33 -0000
Mailing-List: contact pthreads-win32-help@sources.redhat.com; run by ezmlm
Precedence: bulk
List-Subscribe: <mailto:pthreads-win32-subscribe@sources.redhat.com>
List-Archive: <http://sources.redhat.com/ml/pthreads-win32/>
List-Post: <mailto:pthreads-win32@sources.redhat.com>
List-Help: <mailto:pthreads-win32-help@sources.redhat.com>, <http://sources.redhat.com/ml/#faqs>
Sender: pthreads-win32-owner@sources.redhat.com
Received: (qmail 32552 invoked from network); 8 Mar 2005 17:14:29 -0000
Received: from unknown (HELO mtagate2.de.ibm.com) (195.212.29.151)
  by sourceware.org with SMTP; 8 Mar 2005 17:14:29 -0000
Received: from d12nrmr1607.megacenter.de.ibm.com (d12nrmr1607.megacenter.de.ibm.com [9.149.167.49])
	by mtagate2.de.ibm.com (8.12.10/8.12.10) with ESMTP id j28HEQ96125316
	for <pthreads-win32@sources.redhat.com>; Tue, 8 Mar 2005 17:14:26 GMT
Received: from d12av02.megacenter.de.ibm.com (d12av02.megacenter.de.ibm.com [9.149.165.228])
	by d12nrmr1607.megacenter.de.ibm.com (8.12.10/NCO/VER6.6) with ESMTP id j28HEPTB180174
	for <pthreads-win32@sources.redhat.com>; Tue, 8 Mar 2005 18:14:25 +0100
Received: from d12av02.megacenter.de.ibm.com (loopback [127.0.0.1])
	by d12av02.megacenter.de.ibm.com (8.12.11/8.12.11) with ESMTP id j28HEP9x016213
	for <pthreads-win32@sources.redhat.com>; Tue, 8 Mar 2005 18:14:25 +0100
Received: from d12ml062.megacenter.de.ibm.com (d12ml062.megacenter.de.ibm.com [9.149.166.219])
	by d12av02.megacenter.de.ibm.com (8.12.11/8.12.11) with ESMTP id j28HEPBe016208
	for <pthreads-win32@sources.redhat.com>; Tue, 8 Mar 2005 18:14:25 +0100
In-Reply-To: <97ffb31050308081116245b75@mail.gmail.com>
Subject: Re: starvation in pthread_once?
To: Gottlob Frege <gottlobfrege@gmail.com>
Cc: Pthreads-Win32 list <pthreads-win32@sources.redhat.com>
Message-ID: <OF0E4CAEF7.E8B901B9-ONC1256FBE.005E3B7C-C1256FBE.005E9721@de.ibm.com>
From: Alexander Terekhov <TEREKHOV@de.ibm.com>
Date: Tue, 08 Mar 2005 17:14:00 -0000
MIME-Version: 1.0
Content-type: text/plain; charset=US-ASCII
X-SW-Source: 2005/txt/msg00039.txt.bz2


> It would just seem like overkill if all my mutexes needed a
> mutex to init themselves.

With CAS (InterlockedCompareExchange), you can use lockless
DCCI (not DCSI) on slow path to initialize event handle/ptr.

http://www.google.de/groups?selm=421F44B2.F931491D%40web.de

regards,
alexander.