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bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it


From: Dmitry Gutov
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
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130107 Thunderbird/17.0.2

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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