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Date: Thu, 20 Oct 2005 15:21:23 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: please test: coreutils-5.90-3
Message-ID: <20051020132123.GS32583@calimero.vinschen.de>
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On Oct 20 06:17, Eric Blake wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> According to Corinna Vinschen on 10/19/2005 11:11 AM:
> >>utimes(dest,...);  // at this point, timestamp is correct
> >>fchmod(dest_desc,...);
> >>close(dest_desc);  // oops, timestamp changed
> > 
> > 
> > Apparently NT overwrites the mtime timestamp on close, as long as write
> > buffers are not written to disk at that time.  Chris had an idea how to
> > work around that in Cygwin so that it should work in most cases now.
> > Please try the latest snapshot from http://cygwin.com/snapshots/
> 
> Slick trick of searching for an open write descriptor visiting the same
> file.  But it begs the question - why not go one step further and
> create/export futimes(), so that the application can inform cygwin which
> descriptor to use, bypassing the search?

It's not POSIX!

But I must admit that it exists on Linux, even though they didn't bother
to create a man page for it.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat, Inc.

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