From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 9725 invoked by alias); 16 Feb 2011 20:16:17 -0000 Mailing-List: contact archer-help@sourceware.org; run by ezmlm Sender: Precedence: bulk List-Post: List-Help: List-Subscribe: List-Id: Received: (qmail 9716 invoked by uid 22791); 16 Feb 2011 20:16:16 -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 To: Oleg Nesterov X-Fcc: ~/Mail/utrace Cc: Jan Kratochvil , Project Archer Subject: Re: ptrace improvement: PTRACE_O_INHERIT In-Reply-To: Oleg Nesterov's message of Wednesday, 16 February 2011 21:01:10 +0100 <20110216200110.GA17601@redhat.com> References: <20110212005855.E764C1814A4@magilla.sf.frob.com> <20110212190253.GA31866@redhat.com> <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> <20110215215634.2665A1806E0@magilla.sf.frob.com> <20110216193356.GB15576@redhat.com> <20110216194534.2D39018020E@magilla.sf.frob.com> <20110216200110.GA17601@redhat.com> Message-Id: <20110216201606.65C7A18020E@magilla.sf.frob.com> Date: Wed, 16 Feb 2011 20:16:00 -0000 X-SW-Source: 2011-q1/txt/msg00072.txt.bz2 > How? sooner or later the process which creates/destroys a thread > in a loop will reuse some pid number. > > But probably you meant that tgkill() guarantees it is still in > the same process, in this case I agree. Yes, that is what I meant. Sorry.