X-Recipient:	archive-cygwin AT delorie DOT com
X-Spam-Check-By:	sourceware.org
Date:	Wed, 18 Aug 2010 21:58:11 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: "run" changes behavior with cygwin-17.6
Message-ID:	<20100818195811.GG11340@calimero.vinschen.de>
Reply-To:	cygwin AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
References:	<4C6C1490 DOT 3040202 AT cwilson DOT fastmail DOT fm> <4C6C1582 DOT 1080801 AT acm DOT org> <20100818182412 DOT GA22698 AT ednor DOT casa DOT cgf DOT cx> <AANLkTikBTgg9M=xuZ4S2VkNU+Zr=hy3C=_Tr8BPj5baD AT mail DOT gmail DOT com> <20100818185421 DOT GC22698 AT ednor DOT casa DOT cgf DOT cx> <20100818191340 DOT GB11340 AT calimero DOT vinschen DOT de> <20100818191906 DOT GD22698 AT ednor DOT casa DOT cgf DOT cx> <20100818192238 DOT GA27567 AT ednor DOT casa DOT cgf DOT cx> <20100818193446 DOT GC11340 AT calimero DOT vinschen DOT de> <Pine DOT CYG DOT 4 DOT 58 DOT 1008181447060 DOT 4004 AT PC1163-8460-XP DOT flightsafety DOT com>
MIME-Version:	1.0
In-Reply-To:	<Pine.CYG.4.58.1008181447060.4004@PC1163-8460-XP.flightsafety.com>
User-Agent:	Mutt/1.5.20 (2009-06-14)
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Unsubscribe:	<mailto:cygwin-unsubscribe-archive-cygwin=delorie DOT com AT cygwin DOT com>
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT 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

- Raw text -