Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
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
Date: Wed, 10 Nov 2004 13:09:47 -0500
From: Christopher Faylor <cgf-no-personal-reply-please AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: vpath search failures in Clearcase when files do actually exist
Message-ID: <20041110180944.GA17694@trixie.casa.cgf.cx>
Reply-To: cygwin AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
References: <OF88A190FE DOT EDBDB1AE-ON87256F46 DOT 00816307-87256F48 DOT 0001D810 AT ca DOT ibm DOT com> <20041110005123 DOT GA8575 AT trixie DOT casa DOT cgf DOT cx> <20041110174726 DOT GA247527 AT Worldnet>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20041110174726.GA247527@Worldnet>
User-Agent: Mutt/1.4.1i

On Wed, Nov 10, 2004 at 12:47:26PM -0500, Pierre A. Humblet wrote:
>On Tue, Nov 09, 2004 at 07:51:23PM -0500, Christopher Faylor wrote:
>>On Tue, Nov 09, 2004 at 07:21:00PM -0500, Jeremy Broughton wrote:
>>>Cyg ver:    1.3.10 (although I have reproduced the same problem with 1.5.7)
>>>OS : Windows 2000
>>>File system:   MVFS (running gnumake inside a Rational Clearcase dynamic
>>>view)
>>>cygcheck:   (See attached file: cygcheck.out)
>>>
>>>It appears as though there is a problem using the /cygdrive/m type paths
>>>inside MVFS when there are extremely large dependency trees.
>> 
>>Unless you can point to problems with a standard, supported W2K
>>filesystem, please don't expect anyone to try to fix this.
>>
>>Cygwin uses standard Win32 APIs for detemining if something is a
>>directory.  If those APIs are not working for Clearcase then it is
>>unlikely that anyone will be motivated to fix the problem on the Cygwin
>>side.
>
>The OP was suggesting both a problem determining if something is a
>directory and a problem related to pathnames.  Running strace my shed
>some light on the root cause.

Would it have made you feel better if I had said "for dealing with paths
and determining if something is a directory"?

>To limit the output you could initially filter it like this:
>strace something | grep -B 1 'st_mode=\|stat_worker: -1'

If the OP is willing to do this then I hope he does it on a standard
filesystem like NTFS, as I originally suggested.  If there is a problem
there then it is obviously not a ClearCase problem.

--
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/