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From: Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: rudalics@gmx.at, monnier@IRO.UMontreal.CA, pipcet@gmail.com,
	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 21:44:43 +0800	[thread overview]
Message-ID: <87zgk4uhpw.fsf@yahoo.com> (raw)
In-Reply-To: <83pml09fed.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 29 Apr 2022 16:40:26 +0300")

Eli Zaretskii <eliz@gnu.org> writes:

> First, I see no guarantee that atimers cannot run Lisp, ever.  And
> second, even if they don't run Lisp, they could run code which
> directly or indirectly modifies Vtimer_list, and we cannot allow that
> in this case.
>
> 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.





  reply	other threads:[~2022-04-29 13:44 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 [this message]
2022-04-29 15:02                                   ` Pip Cet
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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