Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder1.enfer-du-nord.net!newsfeed.eweka.nl!eweka.nl!feeder3.eweka.nl!newsfeed.xs4all.nl!newsfeed6.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.033 X-Spam-Evidence: '*H*': 0.93; '*S*': 0.00; 'subject:when': 0.07; 'python': 0.08; 'reply-to:addr:comp.lang.python': 0.09; 'to:addr:comp.lang.python': 0.09; 'am,': 0.12; '(say': 0.16; 'posix': 0.16; 'cc:addr:python-list': 0.16; 'wrote:': 0.18; 'cc:no real name:2**0': 0.20; 'programming': 0.21; 'dec': 0.22; 'header :In-Reply-To:1': 0.22; 'module,': 0.23; 'cc:2**0': 0.24; 'sat,': 0.25; 'cc:addr:python.org': 0.29; 'oop': 0.30; 'parent': 0.30; 'chris': 0.30; 'does': 0.32; 'header:User-Agent:1': 0.33; 'from:addr:googlemail.com': 0.34; 'languages': 0.35; 'friday,': 0.37; 'thread': 0.37; 'received:google.com': 0.37; 'doing': 0.38; 'signal': 0.38; 'received:209.85': 0.38; 'first.': 0.39; 'talk': 0.39; 'received:209': 0.40; '2011': 0.61; 'header:Reply-To:1': 0.71; 'reply-to:no real name:2**0': 0.72; 'reply- to:addr:googlegroups.com': 0.74; 'initiate': 0.84; 'erlang': 0.91; 'killing': 0.91 Newsgroups: comp.lang.python Date: Fri, 2 Dec 2011 07:57:56 -0800 (PST) In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=1.168.133.35; posting-account=5JdMBQoAAABHnS4mjpqEzxnmWtgiiVNw References: User-Agent: G2/1.0 X-Google-Web-Client: true MIME-Version: 1.0 Subject: Re: Multiprocessing: killing children when parent dies From: 88888 Dihedral To: comp.lang.python@googlegroups.com Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: python-list@python.org X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: comp.lang.python@googlegroups.com List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Message-ID: Lines: 17 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1322841479 news.xs4all.nl 6985 [2001:888:2000:d::a6]:54579 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:16549 On Friday, December 2, 2011 11:13:34 PM UTC+8, Chris Angelico wrote: > On Sat, Dec 3, 2011 at 2:05 AM, Mihai Badoiu wrote: > > In the multiprocessing module, on a Process p, by just doing p.daemon= =3D1 > > before p.start(), we can make the child die when the parent exits. =A0H= owever, > > the child does not die if the parent gets killed. > > How can I make sure the child die when the parent gets killed? >=20 > Are you in control of the killing of the parent? One easy way would be > to catch the signal (say SIGINT) and initiate an orderly shutdown, > signalling the children first. >=20 > ChrisA Multiple thread supporting programming languages in true OOP as Erlang and= Python do not talk about POSIX signals.