From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on yquem.inria.fr X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=disabled version=3.1.3 X-Original-To: caml-list@yquem.inria.fr Delivered-To: caml-list@yquem.inria.fr Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by yquem.inria.fr (Postfix) with ESMTP id 58059BC69 for ; Sat, 15 Sep 2007 11:25:57 +0200 (CEST) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgAAAH5C60bAXQInmWdsb2JhbACOEgEBAQEHBAYHCBaWYQ X-IronPort-AV: E=Sophos;i="4.20,258,1186351200"; d="scan'208";a="2737152" Received: from concorde.inria.fr ([192.93.2.39]) by mail3-smtp-sop.national.inria.fr with ESMTP; 15 Sep 2007 11:26:36 +0200 Received: from mail1-relais-roc.national.inria.fr (mail1-relais-roc.national.inria.fr [192.134.164.82]) by concorde.inria.fr (8.13.6/8.13.6) with ESMTP id l8F9QEVO014292 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=OK) for ; Sat, 15 Sep 2007 11:26:15 +0200 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgAAAH5C60ba1uFinmdsb2JhbACOEgEBAQEHBAYPGJZf X-IronPort-AV: E=Sophos;i="4.20,258,1186351200"; d="scan'208";a="811430" Received: from smtp.syd.people.net.au ([218.214.225.98]) by mail1-smtp-roc.national.inria.fr with SMTP; 15 Sep 2007 11:26:34 +0200 Received: (qmail 19853 invoked from network); 15 Sep 2007 09:26:45 -0000 Received: from unknown (HELO hendrix.mega-nerd.net) (218.214.64.136) by smtp.syd.people.net.au with SMTP; 15 Sep 2007 09:26:45 -0000 Received: from hendrix (hendrix [192.168.200.99]) by hendrix.mega-nerd.net (Postfix) with SMTP id 7164730104 for ; Sat, 15 Sep 2007 19:26:31 +1000 (EST) Date: Sat, 15 Sep 2007 19:26:31 +1000 From: Erik de Castro Lopo To: caml-list@inria.fr Subject: Re: [Caml-list] Closing all open file descriptors Message-Id: <20070915192631.2384ae5a.mle+ocaml@mega-nerd.com> In-Reply-To: <1189847741.46eba2bd9d121@webmail.in-berlin.de> References: <006b01c7f699$275fd6d0$017ca8c0@countertenor> <200709141000.l8EA04x12648@virtutech.se> <1189806728.46eb0288d38b8@webmail.in-berlin.de> <1189847741.46eba2bd9d121@webmail.in-berlin.de> Organization: Erik Conspiracy Secret Labs X-Mailer: Sylpheed 2.3.1 (GTK+ 2.10.11; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Miltered: at concorde with ID 46EBA536.000 by Joe's j-chkmail (http://j-chkmail . ensmp . fr)! X-Spam: no; 0.00; ocaml:01 descriptors:01 bandel:01 descriptors:01 happiness:98 wrote:01 oliver:01 caml-list:01 inherit:01 erik:04 erik:04 instance:10 daemon:10 mandatory:11 file:11 Oliver Bandel wrote: > If you think you need all this for your daemon, > I ask: why do you think you need it? If you write it, you have > full control over all files you open No, thats not right. I can write a program, that opens a bunch of file descriptors, and then exec his program and his program will inherit all open file descritors. For instance: http://cr.yp.to/daemontools/fghack.html Erik -- ----------------------------------------------------------------- Erik de Castro Lopo ----------------------------------------------------------------- "The happiness you have demanded is now mandatory." -- Jello Biafra