bug#13540: 24.3.50; Regression in trunk: auto-revert-mode fails on files accessed via samba

[Eli Zaretskii]

> Date: Fri, 25 Jan 2013 10:34:45 +0100
> From: Dani Moncayo <dmoncayo@gmail.com>
> Cc: michael.albinus@gmx.de, 13540@debbugs.gnu.org
> 
> >  > gdb emacs.exe
> >  (gdb) break w32notify.c:206
> >  (gdb) r
> >
> > should set you up.  If the breakpoint breaks, GDB will complain that
> > sources are not available, so it cannot display the source.  But it
> > doesn't matter, since all I'm interested in is whether it breaks and
> > if so, what do we get in io_info->hEvent object.
> 
> If the file is in the network volume, it doesn't break.

Thanks.  So I guess user customizations is the only way to deal with
this.

> If the file is stored locally, it breaks two times when the file being
> watched is updated (I have to type `c' two times).

How did you "update the file", exactly?  I just type something like

  echo "foo" >> FILE

This results in only one notification, not two.  Maybe your update
method causes the file to be modified twice in a row.