From owner-freebsd-stable@FreeBSD.ORG  Wed Nov 12 20:02:29 2008
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
Delivered-To: stable@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 63DD71065688
	for <stable@freebsd.org>; Wed, 12 Nov 2008 20:02:29 +0000 (UTC)
	(envelope-from mi+mill@aldan.algebra.com)
Received: from mail4.sea5.speakeasy.net (mail4.sea5.speakeasy.net
	[69.17.117.6]) by mx1.freebsd.org (Postfix) with ESMTP id 3C54D8FC14
	for <stable@freebsd.org>; Wed, 12 Nov 2008 20:02:29 +0000 (UTC)
	(envelope-from mi+mill@aldan.algebra.com)
Received: (qmail 16328 invoked from network); 12 Nov 2008 20:02:28 -0000
Received: from aldan.algebra.com (HELO [127.0.0.1]) (mi@[216.254.65.224])
	(envelope-sender <mi+mill@aldan.algebra.com>)
	by mail4.sea5.speakeasy.net (qmail-ldap-1.03) with SMTP
	for <deischen@freebsd.org>; 12 Nov 2008 20:02:28 -0000
Message-ID: <491B3653.5080209@aldan.algebra.com>
Date: Wed, 12 Nov 2008 15:02:27 -0500
From: Mikhail Teterin <mi+mill@aldan.algebra.com>
User-Agent: Thunderbird 2.0.0.17 (X11/20080914)
MIME-Version: 1.0
To: Daniel Eischen <deischen@freebsd.org>
References: <491B1BD2.4050903@aldan.algebra.com>
	<20081112194350.GJ47073@deviant.kiev.zoral.com.ua>
	<491B3270.5080402@aldan.algebra.com>
	<Pine.GSO.4.64.0811121451260.4280@sea.ntplx.net>
In-Reply-To: <Pine.GSO.4.64.0811121451260.4280@sea.ntplx.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: Kostik Belousov <kostikbel@gmail.com>, stable@freebsd.org
Subject: Re: dlopen-ing a library with OpenMP by a non-OpenMP process
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>, 
	<mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
	<mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 12 Nov 2008 20:02:29 -0000

Sent by Daniel Eischen:
> On Wed, 12 Nov 2008, Mikhail Teterin wrote:
>
>> Sent by Kostik Belousov:
>>> On Wed, Nov 12, 2008 at 01:09:22PM -0500, Mikhail Teterin wrote:
>>>
>>>> Hello!
>>>>
>>>> Currently, when a program built without OpenMP (-fopenmp) is trying 
>>>> to dlopen a library, built with the feature, the result is a crash 
>>>> from "bad system call":
>>>>
>>>>    #0  0x00000008009a223c in ksem_init () from /lib/libc.so.7
>>>>    #1  0x0000000800998a8f in sem_init () from /lib/libc.so.7
>> Uhm... That worked... I see... Shouldn't sem_init be nicer about it, 
>> though? Thanks,
> Or perhaps you should read sem(4) ;-)
Daniel, what are saying? That it is all my own fault? Generic kernel 
does not have sem in it... I build a port with an option (OpenMP), that 
make perfect sense, and try to use it. Software crashes...
There is a bug -- and you, instead of contemplating a fix, are telling 
me to read a man-page? Wow...

    -mi