From: "Jan Djärv" <jan.h.d@swipnet.se>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 15801@debbugs.gnu.org, Jarek Czekalski <jarekczek@poczta.onet.pl>
Subject: bug#15801: 24.3.50; bar scrolling freezes gtk emacs
Date: Sat, 30 Nov 2013 13:51:11 +0100 [thread overview]
Message-ID: <3CEF3563-0727-4D4C-A415-686497098143@swipnet.se> (raw)
In-Reply-To: <83txeu5clf.fsf@gnu.org>
Hello.
30 nov 2013 kl. 12:54 skrev Eli Zaretskii <eliz@gnu.org>:
>> From: Jan Djärv <jan.h.d@swipnet.se>
>> Date: Sat, 30 Nov 2013 12:41:27 +0100
>> Cc: 15801@debbugs.gnu.org,
>> Eli Zaretskii <eliz@gnu.org>
>>
>> enter redisplay_internal
>> unrequest_sigio() /* Two paths to do this in the code */
>> goto retry /* Many places */
>> goto end_of_redisplay /* One place */
>>
>> When this path in the code is taken, SIGIO is off (blocked) and never turned on again, and Emacs freezes.
>>
>> Cc:ing Eli. The obvious fix would be to request_sigio before exit. Is there any side effects to this?
>
> If you call request_sigio only if interrupts_deferred is non-zero, I
> see no adverse side effects.
>
> In any case, code paths that turn off SIGIO and never turn it on again
> are obvious bugs. Thanks for finding this one.
OK, I checked in a fix. I can't reproduce the bug with this, but I had a hard time reproducing it anyway.
Jan D.
next prev parent reply other threads:[~2013-11-30 12:51 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-04 18:42 bug#15801: 24.3.50; bar scrolling freezes gtk emacs Jarek Czekalski
2013-11-05 12:57 ` bug#15801: 15801: commit identified Jarek Czekalski
2013-11-06 19:48 ` bug#15801: it's a different revision, 112892 Jarek Czekalski
2013-11-21 6:00 ` Jan Djärv
2013-11-21 7:25 ` bug#15801: 24.3.50; bar scrolling freezes gtk emacs Jarek Czekalski
2013-11-30 11:41 ` Jan Djärv
2013-11-30 11:54 ` Eli Zaretskii
2013-11-30 12:51 ` Jan Djärv [this message]
2013-11-30 13:55 ` Eli Zaretskii
2013-11-30 14:05 ` Jan Djärv
2013-11-30 18:11 ` Jarek Czekalski
2013-11-30 18:38 ` Eli Zaretskii
2013-11-30 17:04 ` Jarek Czekalski
2013-11-30 23:16 ` Jan Djärv
[not found] ` <529AF507.5080509@poczta.onet.pl>
[not found] ` <0440E2A5-37C6-4F29-9B5D-38A6AE88C3B5@swipnet.se>
[not found] ` <529B12DB.6020407@poczta.onet.pl>
2013-12-01 11:07 ` Jan Djärv
2013-12-01 11:38 ` Jarek Czekalski
2013-12-01 11:48 ` Jan Djärv
2013-11-30 17:10 ` bug#15801: 24.3.50; bar scrolling freezes gtk emacs - stdout warning Jarek Czekalski
2013-12-02 8:04 ` bug#15801: 24.3.50; bar scrolling freezes gtk emacs Jarek Czekalski
2013-12-02 8:18 ` Jarek Czekalski
2013-12-02 17:11 ` Jarek Czekalski
2013-12-03 22:27 ` Jarek Czekalski
2013-12-04 20:28 ` Jarek Czekalski
2013-12-05 17:08 ` Jarek Czekalski
2013-12-07 14:34 ` Jan Djärv
2013-12-08 16:14 ` Jarek Czekalski
2013-12-08 23:29 ` Jarek Czekalski
2013-12-11 19:52 ` Jan Djärv
2013-12-20 6:32 ` Jarek Czekalski
2013-12-20 8:58 ` Eli Zaretskii
2014-04-21 10:34 ` Jarek Czekalski
2014-04-21 15:56 ` Stefan Monnier
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3CEF3563-0727-4D4C-A415-686497098143@swipnet.se \
--to=jan.h.d@swipnet.se \
--cc=15801@debbugs.gnu.org \
--cc=eliz@gnu.org \
--cc=jarekczek@poczta.onet.pl \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.