X-Recipient: archive-cygwin AT delorie DOT com
X-SWARE-Spam-Status: No, hits=-1.7 required=5.0	tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,T_TO_NO_BRKTS_FREEMAIL
X-Spam-Check-By: sourceware.org
MIME-Version: 1.0
In-Reply-To: <3C031C390CBF1E4A8CE1F74DE7ECAF3A140684F0B0@MBX8.EXCHPROD.USA.NET>
References: <3C031C390CBF1E4A8CE1F74DE7ECAF3A140684F0AA AT MBX8 DOT EXCHPROD DOT USA DOT NET>	<20100811084926 DOT GC26152 AT calimero DOT vinschen DOT de>	<3C031C390CBF1E4A8CE1F74DE7ECAF3A140684F0B0 AT MBX8 DOT EXCHPROD DOT USA DOT NET>
Date: Thu, 12 Aug 2010 06:54:25 +0100
Message-ID: <AANLkTimpBCKzUioEarGiKMQbTjN+6s9iDYm_zzZ2Lxr9@mail.gmail.com>
Subject: Re: 1.7.5: Occasional failure of CreatePipe or signal handing due to 	thread-unsafe code in cwdstuff::set
From: Andy Koppe <andy DOT koppe AT gmail DOT com>
To: cygwin AT cygwin DOT com
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
X-IsSubscribed: yes
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
Precedence: bulk
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 11 August 2010 20:55, John Carey wrote:
> On Aug 11 01:49 Corinna Vinschen wrote:
>> there's no Win32-safe way to set a new
>> directory handle as cwd in Vista and later anymore. =C2=A0Since there's =
no
>> official API to set the cwd using a directory handle, there's no way to
>> set the Win32 cwd to a directory with restricted permissions.
>> This *is* frustrating.
>>
>> I'll look into another solution. =C2=A0Probably we will have to call
>> SetCurrentDirectory again and ignore any error. =C2=A0I don't accept the
>> aforementioned restriction for POSIX calls.
>
> So is your idea that if SetCurrentDirectory() fails because
> of path length or permissions, then Cygwin would just accept
> the failure and keep an internal record the
> POSIX current working directory and use that for all
> Cygwin calls, not the Win32 notion of current directory?

Yes. The question then becomes what to do about the Win32 working
directory in that case.

Andy

--
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