GNU bug report logs - #13149
24.3.50; Emacs thinks file was changed outside Emacs, but it was not

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From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 13149 <at> debbugs.gnu.org
Subject: bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not
Date: Sat, 19 Jan 2013 02:52:03 +0400

On 19.01.2013 1:35, Paul Eggert wrote:
> Here, we seem to have some cases where a write can occur
> but st_mtime is not updated before the next stat or fstat.
> I don't yet know how to characterize these cases, or how to
> work around them.  Even Emacs's old approach (allow up to
> 1 second of slop) seems like it won't work in some cases
> that have been reported here: over 2 seconds of slop in
> <http://bugs.gnu.org/13149#115>, and over one minute of
> slop in <http://bugs.gnu.org/13149##100>!

Is is possible that the test is measuring something not directly 
relevant? Like I mentioned, emacs-24 build seems to work fine on cifs in 
all observable respects, but with this test, cifs has the slop of 
infinity. Or close enough.

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