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From: Eli Zaretskii <eliz@gnu.org>
To: Po Lu <luangruo@yahoo.com>
Cc: larsi@gnus.org, emacs-devel@gnu.org
Subject: Re: shr using `make-xwidget' incorrectly
Date: Thu, 11 Nov 2021 08:58:44 +0200	[thread overview]
Message-ID: <831r3n2n6j.fsf@gnu.org> (raw)
In-Reply-To: <87sfw31mok.fsf@yahoo.com> (message from Po Lu on Thu, 11 Nov 2021 09:54:51 +0800)

> From: Po Lu <luangruo@yahoo.com>
> Cc: larsi@gnus.org
> Date: Thu, 11 Nov 2021 09:54:51 +0800
> 
> Which reminds me of another problem (in the Emacs 28 xwidget code as
> well): If an xwidget's buffer is killed, but references to it still
> exist somewhere, crashes can happen, because the GTK resources allocated
> to the xwidget are killed in `kill_buffer_xwidgets' and not during
> garbage collection.
> 
> I think the best thing to do in this case would be to introduce a
> `dead' state for xwidgets, not unlike killed buffers and dead frames,
> which an xwidget is set to after being killed.
> 
> Then, performing any sort of operation on a killed xwidget can either
> throw an error, or do nothing.

Why can't we release the GTK resources when such a buffer is killed?



  parent reply	other threads:[~2021-11-11  6:58 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <87sfw31mok.fsf.ref@yahoo.com>
2021-11-11  1:54 ` shr using `make-xwidget' incorrectly Po Lu
2021-11-11  3:26   ` Lars Ingebrigtsen
2021-11-11  3:38     ` Po Lu
2021-11-11  3:41       ` Lars Ingebrigtsen
2021-11-11  3:43         ` Lars Ingebrigtsen
2021-11-11  4:46         ` Po Lu
2021-11-11  4:56           ` Lars Ingebrigtsen
2021-11-11  5:10             ` Po Lu
2021-11-11 12:33               ` Lars Ingebrigtsen
2021-11-11 12:37                 ` Po Lu
2021-11-11 12:43                   ` Lars Ingebrigtsen
2021-11-11 12:47                     ` Po Lu
2021-11-11  6:37     ` Introduce "killed" state for xwidgets (Re: shr using `make-xwidget' incorrectly) Po Lu
2021-11-11  7:59       ` Eli Zaretskii
2021-11-11  9:28         ` Po Lu
2021-11-11 12:23       ` Lars Ingebrigtsen
2021-11-11 12:25         ` Po Lu
2021-11-11 15:10           ` Eli Zaretskii
2021-11-12  0:18             ` Po Lu
2021-11-11  6:58   ` Eli Zaretskii [this message]
2021-11-11  7:05     ` shr using `make-xwidget' incorrectly Po Lu
2021-11-11  8:01       ` Eli Zaretskii
2021-11-11  9:27         ` Po Lu

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