From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <archer-return-2360-listarch-archer=sourceware.org@sourceware.org>
Received: (qmail 10162 invoked by alias); 16 Feb 2011 21:51:36 -0000
Mailing-List: contact archer-help@sourceware.org; run by ezmlm
Sender: <archer@sourceware.org>
Precedence: bulk
List-Post: <mailto:archer@sourceware.org>
List-Help: <mailto:archer-help@sourceware.org>
List-Subscribe: <mailto:archer-subscribe@sourceware.org>
List-Id: <archer.sourceware.org>
Received: (qmail 10153 invoked by uid 22791); 16 Feb 2011 21:51:35 -0000
X-SWARE-Spam-Status: No, hits=-4.8 required=5.0
	tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,SPF_HELO_PASS,T_RP_MATCHES_RCVD
X-Spam-Check-By: sourceware.org
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
From: Roland McGrath <roland@redhat.com>
To: Oleg Nesterov <oleg@redhat.com>
X-Fcc: ~/Mail/utrace
Cc: Jan Kratochvil <jan.kratochvil@redhat.com>,
        Project Archer <archer@sourceware.org>
Subject: Re: ptrace improvement: PTRACE_O_INHERIT
In-Reply-To: Oleg Nesterov's message of  Wednesday, 16 February 2011 21:55:58 +0100 <20110216205558.GA19564@redhat.com>
References: <20110214193052.3EC8D1814BA@magilla.sf.frob.com>
	<20110214193812.GA20765@redhat.com>
	<20110215003551.BC1EA1802A2@magilla.sf.frob.com>
	<20110215130805.GA30742@redhat.com>
	<20110215214333.GA18086@host1.dyn.jankratochvil.net>
	<20110215220153.470031806E0@magilla.sf.frob.com>
	<20110216194010.GC15576@redhat.com>
	<20110216200201.7895218020E@magilla.sf.frob.com>
	<20110216200654.GB17601@redhat.com>
	<20110216203057.D15E618020E@magilla.sf.frob.com>
	<20110216205558.GA19564@redhat.com>
Message-Id: <20110216215128.930EE1802A2@magilla.sf.frob.com>
Date: Wed, 16 Feb 2011 21:51:00 -0000
X-SW-Source: 2011-q1/txt/msg00078.txt.bz2

> We should see all sub-threads, copy_process() does list_add_tail().
> Once next_thread() returns the group leader, everything is done.

I see.  You are more clever than I am. ;-)

Thanks,
Roland