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From: Pip Cet <pipcet@gmail.com>
To: Po Lu <luangruo@yahoo.com>
Cc: Stefan Monnier <monnier@iro.umontreal.ca>, 21380@debbugs.gnu.org
Subject: bug#21380: 25.0.50; GTK-induced segfault when scheduling timer from window-configuration-change-hook
Date: Fri, 29 Apr 2022 15:02:43 +0000	[thread overview]
Message-ID: <CAOqdjBdt1F_f1_nRsssOHkXovxec+M8ajRu4Ehfu3N5L5FWzjQ@mail.gmail.com> (raw)
In-Reply-To: <87zgk4uhpw.fsf@yahoo.com>

On Fri, Apr 29, 2022 at 1:44 PM Po Lu <luangruo@yahoo.com> wrote:
> Eli Zaretskii <eliz@gnu.org> writes:
> > IOW, the problem is not that Lisp isn't supposed to run in this
> > situation, the problem is that we examine and modify Vtimer_list, so
> > we cannot allow any code that could potentially modify that behind our
> > backs while we are at that.
>
> Hmm, okay, thanks for explaining.  I guess some code called by the input
> polling atimer eventually ends up modifying `timer-list' when input
> polling is enabled.

Thanks for looking into this! I'm not sure I thought about the way
unblock_input will sometimes read asynchronous input, which might make
unlikely segfaults like this one more likely if we're not careful.

But I must confess I no longer remember the details here clearly.

Pip





  reply	other threads:[~2022-04-29 15:02 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-30 12:51 bug#21380: 25.0.50; GTK-induced segfault when scheduling timer from window-configuration-change-hook Pip Cet
2015-08-30 15:01 ` Eli Zaretskii
2015-08-30 15:24   ` Pip Cet
2015-08-30 15:27     ` Pip Cet
2015-08-30 16:24       ` Pip Cet
2015-08-30 18:10         ` martin rudalics
2015-08-30 18:20           ` Pip Cet
2015-08-30 19:50             ` Eli Zaretskii
2015-08-30 18:59           ` Pip Cet
2015-08-31  9:20             ` martin rudalics
2015-08-30 16:39     ` Eli Zaretskii
2015-08-30 16:42       ` Pip Cet
2015-08-30 19:44         ` Eli Zaretskii
2015-08-30 20:56           ` Pip Cet
2015-08-30 21:13             ` Pip Cet
2015-08-31 14:31             ` Eli Zaretskii
2015-09-01 10:20               ` Pip Cet
2015-09-01 15:03                 ` Eli Zaretskii
2015-09-01 15:22                   ` Pip Cet
2015-09-01 16:01                     ` Eli Zaretskii
2015-09-01 16:02                       ` Pip Cet
2015-09-01 16:23                         ` Eli Zaretskii
2015-09-02  7:02                       ` martin rudalics
2015-09-02 14:32                         ` Eli Zaretskii
2015-09-03 15:36                         ` Stefan Monnier
2015-09-05  7:38                           ` Eli Zaretskii
2015-09-05 15:18                             ` Stefan Monnier
2015-09-05 15:27                               ` Eli Zaretskii
2015-09-06 22:11                                 ` Stefan Monnier
2022-04-29 12:52                             ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-04-29 13:40                               ` Eli Zaretskii
2022-04-29 13:44                                 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-04-29 15:02                                   ` Pip Cet [this message]
2015-09-05 16:59                           ` Pip Cet
2015-09-06 22:22                             ` Stefan Monnier
2015-09-08 15:55                               ` Pip Cet
2015-09-01 15:14                 ` Pip Cet
2015-09-01 16:04                   ` Eli Zaretskii
2015-09-01 16:56                     ` Pip Cet
2015-09-01 17:19                       ` Eli Zaretskii
2015-09-01 20:48                         ` Pip Cet
2015-09-02 15:08                           ` Eli Zaretskii
2015-09-02 16:09                             ` Pip Cet
2015-09-02 19:13                               ` Eli Zaretskii
2015-09-02 22:08                                 ` Pip Cet
2020-09-07 17:07                           ` Lars Ingebrigtsen
2020-09-07 17:47                             ` Pip Cet
2020-09-07 19:09                             ` Eli Zaretskii
2020-09-08  9:57                               ` Lars Ingebrigtsen
2022-04-29 12:14                                 ` Lars Ingebrigtsen

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