Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Date: Thu, 7 Aug 2003 21:34:53 -0400 From: Christopher Faylor To: cygwin@cygwin.com Subject: Re: Win2k and cygwin memory leak Message-ID: <20030808013453.GA9600@redhat.com> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <3F30D849.8D2AA00C@itsec-ss.nl> <3F324535.B10AA62D@itsec-ss.nl> <20030807154057.GB1689@redhat.com> <3F327990.4050104@cs.york.ac.uk> <20030807181734.GA3794@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i On Thu, Aug 07, 2003 at 11:33:48PM +0100, Sam Edge wrote: >Rolf Campbell wrote in > >in gmane.os.cygwin on Thu, 07 Aug 2003 17:44:08 -0400: >>Does windows claim to free all memory allocated by a process when it >>exits? > >It does, even on unexpected terminations. (Seg-faults and the like.) Just like any non-toy OS in the last 30 years or so. Even Windows 95 should behave properly in this regard. >>What about cygwin shared memory? > >Unlike System V, Windows shared memory is transient. Once all handles >that reference it are closed Windows deallocates it. And Windows >closes all open handles for a process when the process exits, even if >this was caused by an unexpected termination. > >So the Cygwin shared memory is automatically deallocated once the last >Cygwin process exits, irrespective of any bugs (memory leaks) in >Cygwin. > >Again, /supposedly/. ;-) All correct. Supposedly is the operative word in the context that Windows should be acting this way. If it isn't acting this way, then it is pretty clearly a Windows bug. -- Please use the resources at cygwin.com rather than sending personal email. Special for spam email harvesters: send email to aaaspam@sourceware.org and be permanently blocked from mailing lists at sources.redhat.com -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/