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From:	Chris Faylor <cgf AT cygnus DOT com>
Date:	Thu, 13 Jul 2000 12:23:27 -0400
To:	"'cygwin'" <cygwin AT sources DOT redhat DOT com>
Subject:	Re: Have rename() semantics changed?
Message-ID:	<20000713122327.A9529@cygnus.com>
Mail-Followup-To:	'cygwin' <cygwin AT sources DOT redhat DOT com>
References:	<779F20BCCE5AD31186A50008C75D9979171747 AT silldn_mail1 DOT sanwaint DOT com>
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In-Reply-To:	<779F20BCCE5AD31186A50008C75D9979171747@silldn_mail1.sanwaint.com>; from EFifer@sanwaint.com on Thu, Jul 13, 2000 at 05:15:06PM +0100

On Thu, Jul 13, 2000 at 05:15:06PM +0100, Fifer, Eric wrote:
>
>Stewart Greenhill wrote:
>> The latest cygwin seems not to allow open files to be renamed. This
>> works under Unix. It is not normally allowed under Windows, but worked
>> in previous versions of the cygwin environment.
>> 
>> Is this an official change, or could it be a bug?
>
>I compared strace's on b20.1 and 1.1.2 and the shared argument to
>CreateFileA has changed.  FILE_SHARE_DELETE was dropped from
>host_dependent.shared in dcrt0.cc (host_dependent_constants::init).
>This was the comment at the time:
>
>  Sat Mar 18 01:32:04 2000  Christopher Faylor <cgf AT cygnus DOT com>
>
>        * dcrt0.cc (host_dependent_constants::init): Eliminate DELETE flag
>        from shared constant.
>
>I put it back and your test program works again.  Perhaps Chris can
>shed some light on the reason for the change.

Can you still unlink opened files on Windows 9x, Windows NT, and W2K
with this change?  I believe that is why I removed this.  Either that
or it prevented files from being opened.  Sorry that I don't remember.

If the above still works, then I'll put this back and comment this
so we won't have to guess next time.

cgf

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