From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christopher Faylor <me@cgf.cx>
Subject: Re: First cut at git port to Cygwin
Date: Wed, 5 Oct 2005 12:28:01 -0400
Message-ID: <20051005162801.GC30303@trixie.casa.cgf.cx>
References: <433B3B10.5050407@zytor.com> <81b0412b0510040531m441ca759k6d1f3fbf0cd248ce@mail.gmail.com> <434299DB.7020805@zytor.com> <81b0412b0510050424h21fc06bav7677911f52b38426@mail.gmail.com> <81b0412b0510050846l2258775co117bada2d2b5a1ad@mail.gmail.com> <20051005155457.GA30303@trixie.casa.cgf.cx> <Pine.LNX.4.63.0510050902430.28854@localhost.localdomain> <20051005161546.GB30303@trixie.casa.cgf.cx> <4343FE08.2080607@zytor.com>
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On Wed, Oct 05, 2005 at 09:23:36AM -0700, H. Peter Anvin wrote:
>Christopher Faylor wrote:
>>Cygwin's rename is much more than just a simple wrapper around MoveFile
>>or MoveFileEx.  It tries hard to guarantee POSIX semantics within the
>>strictures imposed by Windows.
>
>Certainly, but presumably different versions of Win32 have different 
>limitations, no?

Yes, definitely.  That's why the Cygwin rename code (and unlink code for
that matter) is so headache-inducing.

FWIW, I just looked at the source and, AFAICT, if rename() is setting
EPERM on Windows NT/2000/XP, it should be the result of a failing
MoveFileEx (old, new, MOVEFILE_REPLACE_EXISTING).
--
Christopher Faylor			spammer? ->	aaaspam@sourceware.org
Cygwin Co-Project Leader				aaaspam@duffek.com
TimeSys, Inc.