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Message-ID: <43578ACD.3020509@byu.net>
Date: Thu, 20 Oct 2005 06:17:17 -0600
From: Eric Blake <ebb9 AT byu DOT net>
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To: cygwin AT cygwin DOT com
Subject: Re: please test: coreutils-5.90-3
References: <Pine DOT OSF DOT 4 DOT 21 DOT 0510181859340 DOT 2152-101000 AT ax0rm1 DOT roma1 DOT infn DOT it> <loom DOT 20051019T160122-280 AT post DOT gmane DOT org> <20051019171128 DOT GR32583 AT calimero DOT vinschen DOT de>
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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?

- --
Life is short - so eat dessert first!

Eric Blake             ebb9 AT byu DOT net
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