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Date: Sat, 4 Aug 2001 22:12:49 +0200
From: Corinna Vinschen <vinschen AT redhat DOT com>
To: cygwin-developers AT sources DOT redhat DOT com
Subject: Re: Problems with autoconf-2.52 testsuite using current CVS Cygwin
Message-ID: <20010804221249.O23782@cygbert.vinschen.de>
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In-Reply-To: <20010804155344.A3559@redhat.com>; from cgf@redhat.com on Sat, Aug 04, 2001 at 03:53:44PM -0400

On Sat, Aug 04, 2001 at 03:53:44PM -0400, Christopher Faylor wrote:
> On Sat, Aug 04, 2001 at 09:48:43PM +0200, Corinna Vinschen wrote:
> >I guess you're right. It's probably the way ash uses vfork(). The
> >interesting thing is that I even couldn't find the corresponding
> >unlink()/rmdir() calls on the affected temp directories in the strace
> >outputs.
> >
> >Strange enough, there _are_ actually `rm -rf' calls in the strace for
> >some temporary directories but the concerned directories are actually
> >erased. `rm' is never called for the not erased directories for some
> >reason.
> >
> >If it's a problem with vfork() I would expect _failing_ unlink() calls
> >due to still opened handle on files or similar. The fact that there
> >are no unlink()s at all points to the vfork() usage in ash bypassing
> >some important code.
> >
> >OTOH, it could also be the vfork() resulting in bypassing some 
> >important code...
> 
> I thought that you saw stat calls for the files to be deleted and that
> the stat calls were returning ENOENT.  That led me to believe that rm
> was probably checking if the file exists before calling unlink().

No. Ash calls stat() on a file in the dir which doesn't exist.

Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                                mailto:cygwin AT cygwin DOT com
Red Hat, Inc.