From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18023 invoked by alias); 1 Jul 2012 23:35:35 -0000 Received: (qmail 17899 invoked by uid 22791); 1 Jul 2012 23:35:34 -0000 X-SWARE-Spam-Status: No, hits=-1.9 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE,RCVD_IN_HOSTKARMA_YE X-Spam-Check-By: sourceware.org Received: from mho-02-ewr.mailhop.org (HELO mho-02-ewr.mailhop.org) (204.13.248.72) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sun, 01 Jul 2012 23:35:19 +0000 Received: from pool-108-49-31-235.bstnma.fios.verizon.net ([108.49.31.235] helo=cgf.cx) by mho-02-ewr.mailhop.org with esmtpa (Exim 4.72) (envelope-from ) id 1SlTfi-000EFv-W4 for cygwin@cygwin.com; Sun, 01 Jul 2012 23:35:19 +0000 Received: from localhost (ednor.casa.cgf.cx [192.168.187.5]) by cgf.cx (Postfix) with ESMTP id 1AE934296B8 for ; Sun, 1 Jul 2012 19:35:18 -0400 (EDT) X-Mail-Handler: MailHop Outbound by DynDNS X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/mailhop/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX1/W9QgUwx3mDLonUvJihSFu Date: Sun, 01 Jul 2012 23:35:00 -0000 From: Christopher Faylor To: cygwin@cygwin.com Subject: Re: Persistence of file implemented objects Message-ID: <20120701233518.GB10276@ednor.casa.cgf.cx> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <4FEF7DB6.6040101@gmail.com> <20120701003530.GA5390@ednor.casa.cgf.cx> <4FF0942B.1030201@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4FF0942B.1030201@gmail.com> User-Agent: Mutt/1.5.20 (2009-06-14) Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com X-SW-Source: 2012-07/txt/msg00006.txt.bz2 On Sun, Jul 01, 2012 at 07:17:15PM +0100, Richard H Lee wrote: >> Fifos persist on reboot on Linux or Cygwin. They live on the >> filesystem. I don't see how POSIX IPC shared memory and semaphores >> could persist. > >Sorry, I meant unix/bsd sockets. ...which also persist on linux. >Regarding the POSIX IPC's, they are stored in /dev . In regular *nix, >/dev do not represent "physical" files on the filesystem, hence they do >not persist over boot. > >In cygwin, they actually do represent physical files. So if they are not >freed correctly by the program, the persist over to the next boot. what specific interface are you talking about which creates physical files in /dev? -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple