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bug#13743: 24.2.93; Segmentation fault when trying to [s]teal a file ope


From: Eli Zaretskii
Subject: bug#13743: 24.2.93; Segmentation fault when trying to [s]teal a file opened elsewhere
Date: Tue, 26 Feb 2013 05:51:02 +0200

> Date: Tue, 26 Feb 2013 03:23:11 +0400
> From: Dmitry Gutov <address@hidden>
> CC: address@hidden, address@hidden
> 
> On 25.02.2013 23:31, Eli Zaretskii wrote:
> >> Date: Mon, 25 Feb 2013 23:08:04 +0400
> >> From: Dmitry Gutov <address@hidden>
> >> CC: address@hidden, address@hidden
> >>
> >> On 25.02.2013 20:27, Eli Zaretskii wrote:
> >>> Btw, what mmm-mode does is quite nasty, because it causes stale lock
> >>> files to be left behind, if you press 'p' when Emacs says that the
> >>> file is locked.  This is because mmm-mode makes the buffer unmodified
> >>> again after doing whatever it is that causes these prompts, and if you
> >>> then kill Emacs without ever editing the file, the function that
> >>> unlocks the file is not called (because the buffer is not modified).
> >>
> >> AFAICT, it only did that to make sure the subsequent `kill-buffer'
> >> doesn't query the user. It doesn't seem to do that either way, so I
> >> removed the `set-buffer-modified-p' call.
> >
> > And after removing that call, do you end up with a "modified" buffer
> > after visiting a file?
> 
> Nope.

Then the root cause is still there: the file is locked by an operation
that leaves the buffer unmodified.





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