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Date: Fri, 30 Apr 2004 17:14:00 -0000
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From: Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>
To: jakub@redhat.com
CC: libc-hacker@sources.redhat.com
In-reply-to: <20040429143129.GS5191@sunsite.ms.mff.cuni.cz> (message from
	Jakub Jelinek on Thu, 29 Apr 2004 16:31:30 +0200)
Subject: Re: [PATCH] Fix linuxthreads with pthread_attr_setstack{,addr}
References: <20040429141901.GR5191@sunsite.ms.mff.cuni.cz> <20040429143129.GS5191@sunsite.ms.mff.cuni.cz>
X-SW-Source: 2004-04/txt/msg00103.txt.bz2

Hello,

> POSIX says on pthread_join:
> 
> "For instance, after pthread_join() returns, any application-provided stack storage
>  could be reclaimed."

Chapter and verse?  This sounds rather vague, too.

On comp.programming.threads, pthreads architect Dave Butenhof has
claimed repeatedly that POSIX makes _no_ such guarantees, i.e. that
strictly speaking you can _never_ free user-defined stack space..
Eg.:

http://groups.google.de/groups?hl=de&lr=&ie=UTF-8&oe=ISO-8859-1&selm=3A797AB3.A57D43E9%40compaq.com

Regards,
Wolfram.