X-Recipient: archive-cygwin@delorie.com X-Spam-Check-By: sourceware.org Date: Wed, 18 Aug 2010 21:58:11 +0200 From: Corinna Vinschen To: cygwin@cygwin.com Subject: Re: "run" changes behavior with cygwin-17.6 Message-ID: <20100818195811.GG11340@calimero.vinschen.de> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <4C6C1490.3040202@cwilson.fastmail.fm> <4C6C1582.1080801@acm.org> <20100818182412.GA22698@ednor.casa.cgf.cx> <20100818185421.GC22698@ednor.casa.cgf.cx> <20100818191340.GB11340@calimero.vinschen.de> <20100818191906.GD22698@ednor.casa.cgf.cx> <20100818192238.GA27567@ednor.casa.cgf.cx> <20100818193446.GC11340@calimero.vinschen.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: 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 On Aug 18 14:49, Brian Ford wrote: > On Wed, 18 Aug 2010, Corinna Vinschen wrote: > > > On Aug 18 15:22, Christopher Faylor wrote: > > > On Wed, Aug 18, 2010 at 03:19:06PM -0400, Christopher Faylor wrote: > > > >>already does for the environment. Dropping the environment had roughly > > > >>the same consequences way back when, after all. > > > > > > > >Except that not every program uses the windows environment. This affects > > > >quite a few native windows calls. > > > > It affects every program which calls CreateProcess or ShellExecute, for > > instance. This includes GDB, tcl, run, run2, cygstart, etc. > > > > > And, for that reason, I think we should reconsider this change. Maybe > > > as a compromise maybe we could at least avoid cd'ing to the dummy > > > location on entry to the first cygwin program. > > > > I disagree. When do you change the directory to //?/pipe then? The > > first time chdir is called? > > Can someone please remind me why you shouldn't change to that directory > only when SetCurrentDirectory would fail due to a long path, virtual > path, etc? I think it was covered in the developer list, but I can't find > it right now. It breaks POSIX compatibility in terms of not being able to rename or delete a directory which is the CWD of any process. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- 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