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Date: Mon, 2 Feb 2009 07:45:09 +0100
From: Oleg Nesterov <oleg@redhat.com>
To: Kaz Kylheku <kkylheku@gmail.com>,
       Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: main thread pthread_exit/sys_exit bug!
Message-ID: <20090202064509.GA20237@redhat.com>
References: <3f43f78b0902011432y354c1b35m8f645640433f7b49@mail.gmail.com> <20090201174159.4a52e15c.akpm@linux-foundation.org>
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Kaz Kylheku wrote:
>
> Basically, if you call pthread_exit from the main thread of a process, and keep
> other threads running, the behavior is ugly.

Yes, known problem.

Please look at

        [RFC,PATCH 3/3] do_wait: fix waiting for stopped group with dead leader
        http://marc.info/?t=119713920000003

I'll try to re-do and re-send this patch this week.

Oleg.