From owner-freebsd-threads@FreeBSD.ORG  Tue Apr 12 08:26:53 2005
Return-Path: <owner-freebsd-threads@FreeBSD.ORG>
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 60E9F16A4CE
	for <freebsd-threads@freebsd.org>;
	Tue, 12 Apr 2005 08:26:53 +0000 (GMT)
Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id 480CF43D46; Tue, 12 Apr 2005 08:26:53 +0000 (GMT)
	(envelope-from davidxu@freebsd.org)
Received: from [127.0.0.1] (davidxu@localhost [127.0.0.1])
	by freefall.freebsd.org (8.13.3/8.13.3) with ESMTP id j3C8Qnox084860;
	Tue, 12 Apr 2005 08:26:50 GMT
	(envelope-from davidxu@freebsd.org)
Message-ID: <425B866C.4010609@freebsd.org>
Date: Tue, 12 Apr 2005 16:27:24 +0800
From: David Xu <davidxu@freebsd.org>
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US;
	rv:1.7.6) Gecko/20050319
X-Accept-Language: en-us, en
MIME-Version: 1.0
To: Marc Olzheim <marcolz@stack.nl>
References: <200504111210.j3BCAZmU002870@freefall.freebsd.org>
	<425B02BB.5060904@freebsd.org> <20050412071220.GA17393@stack.nl>
In-Reply-To: <20050412071220.GA17393@stack.nl>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
cc: freebsd-threads@freebsd.org
Subject: Re: threads/76690: fork hang in child for (-lc_r & -lthr)
X-BeenThere: freebsd-threads@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Threading on FreeBSD <freebsd-threads.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-threads>,
	<mailto:freebsd-threads-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-threads>
List-Post: <mailto:freebsd-threads@freebsd.org>
List-Help: <mailto:freebsd-threads-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-threads>,
	<mailto:freebsd-threads-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 12 Apr 2005 08:26:53 -0000

Marc Olzheim wrote:

>On Tue, Apr 12, 2005 at 07:05:31AM +0800, David Xu wrote:
>  
>
>>>Confirmed to be b0rken on FreeBSD 4.11's libc_r as well. :-/
>>>
>>>Marc
>>>
>>>      
>>>
>>This is no longer true for libthr, I can not close the PR
>>because it also reports libc_r problem.
>>    
>>
>
>I know, I didn't ask for it to be closed. :-)
>Is there any info on where the bug could be ? I could take a look at
>it...
>
>Marc
>  
>
You have to fix it in uthread_fork.c,  lock __malloc_lock over 
__sys_fork() call.
but why libc_r ? it is depreciated.

David Xu