GNU bug report logs - #49682
27.2.50; accept-process-output within accept-process-output hangs emacs

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Message #83 received at 49682 <at> debbugs.gnu.org (full text, mbox):

From: LdBeth <andpuke <at> foxmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 49682 <at> debbugs.gnu.org
Subject: Re: bug#49682: 27.2.50;
 accept-process-output within accept-process-output hangs emacs
Date: Mon, 06 Nov 2023 14:27:02 -0600

>>>>> In <83a5rq3hna.fsf <at> gnu.org> 
>>>>>	Eli Zaretskii <eliz <at> gnu.org> wrote:

ldb> The shr library uses url-queue to asynchronously download images
ldb> and Wanderlust also use `accept-process-output' call to handle
ldb> IMAP.
ldb> 
ldb> For this particular case I used a dirty hack
ldb> 
ldb> (define-advice accept-process-output
ldb>     (:before (&rest _) sync-queue)
ldb>   (when (fboundp 'url-queue-check-progress)
ldb>     (funcall #'url-queue-check-progress)))
ldb> 
ldb> However, could we make `accept-process-output' atomic so the
ldb> timer won't interrupt it? Or there is no reliable method yet to
ldb> make any atomic operations in Emacs yet?

Eli> If a Lisp program wants to avoid timers during the call to
Eli> accept-process-output, could perhaps temporarily bind timer-list
Eli> to nil or something?

Thank you, let Wanderlust maintainers know and figure out
changes needed to fix the problem.

---
ldbeth

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