GNU bug report logs - #47244
28.0.50; SIGSEGV in long-runnning Emacs

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Package: emacs;

Reported by: Michael Welsh Duggan <md5i <at> md5i.com>

Date: Thu, 18 Mar 2021 15:40:01 UTC

Severity: normal

Found in version 28.0.50

Done: Michael Welsh Duggan <mwd <at> md5i.com>

Bug is archived. No further changes may be made.

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Message #464 received at 47244 <at> debbugs.gnu.org (full text, mbox):

From: martin rudalics <rudalics <at> gmx.at>
To: Michael Welsh Duggan <mwd <at> cert.org>, Eli Zaretskii <eliz <at> gnu.org>
Cc: Michael Welsh Duggan <mwd <at> md5i.com>,
 "47244 <at> debbugs.gnu.org" <47244 <at> debbugs.gnu.org>,
 "schwab <at> linux-m68k.org" <schwab <at> linux-m68k.org>
Subject: Re: bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs
Date: Thu, 8 Apr 2021 20:52:29 +0200

[Message part 1 (text/plain, inline)]
> I hit the breakpoint in quit.  It looks like Fnconc uses FOR_EACH_TAIL,
> which uses FOR_EACH_TAIL_INTENAL, which calls maybe_quit.

Not just around the corner but near.  Well done.

> The question
> in my mind now is whether block/unblock_input belongs in window_list or
> in Fnconc.

In window_list and we then should bind inhibit_quit IIUC.  Fnconc must be
able to deal with circular lists.  I attach a patch.

martin

[selected_window_contents.diff (text/x-patch, attachment)]
This bug report was last modified 4 years and 28 days ago.

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