From: Philipp Stephani <p.stephani2@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>,
YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
Cc: 28630@debbugs.gnu.org, tom@tromey.com, agrambot@gmail.com
Subject: bug#28630: 27.0.50; C-g while a non-main thread is sitting crashes Emacs
Date: Sat, 07 Oct 2017 13:53:43 +0000 [thread overview]
Message-ID: <CAArVCkRSwt2YAThp7mFM1Tva28WsbJUCQ5_dHkH1VSfEfckR+g@mail.gmail.com> (raw)
In-Reply-To: <83infuxdk4.fsf@gnu.org>
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Eli Zaretskii <eliz@gnu.org> schrieb am Do., 5. Okt. 2017 um 09:25 Uhr:
> > Date: Thu, 05 Oct 2017 12:27:28 +0900
> > From: YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
> > Cc: agrambot@gmail.com,
> > 28630-done@debbugs.gnu.org,
> > tom@tromey.com
> >
> > >>>>> On Wed, 04 Oct 2017 12:23:19 +0300, Eli Zaretskii <eliz@gnu.org>
> said:
> >
> > >> > OOC, could you please see whether on X the sit-for call is
> > >> > interrupted or not? That is, do you see the "there" message
> > >> > after typing C-g?
> > Same for NS. Interestingly, some variants of the original recipe
> > behave differently with respect to C-g depending on the toolkit.
> >
> > Example 1:
> >
> > (thread-join
> > (make-thread
> > (lambda ()
> > (message "hello")
> > (sit-for 2)
> > (message "there"))))
> >
> > Interrupted: GTK+, Athena, no toolkit, Mac
> > Not interrupted: NS
> >
> >
> > Example 2:
> >
> > (thread-join
> > (make-thread
> > (lambda ()
> > (message "hello")
> > (sleep-for 2)
> > (message "there"))))
> >
> > Interrupted: GTK+
> > Not interrupted: Athena, no toolkit, Mac, NS
>
> For the record, on MS-Windows, both are interrupted.
>
> > Probably it has something to do with xg_select.
>
> Could be.
>
> The upshot of this is that doing keyboard I/O in non-main threads is
> inherently unportable. Should we mention this in the manual?
>
>
>
>
I'd rather see this as a bug and document it in etc/PROBLEMS.
Also, if the behavior between main and non-main threads differ, there
should probably a `in-main-thread-p' function.
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next prev parent reply other threads:[~2017-10-07 13:53 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-28 7:22 bug#28630: 27.0.50; C-g while a non-main thread is sitting crashes Emacs Alex
2017-10-01 3:18 ` Alex
2017-10-01 15:01 ` Eli Zaretskii
2017-10-01 18:10 ` Alex
2017-10-01 18:32 ` Eli Zaretskii
2017-10-02 4:30 ` YAMAMOTO Mitsuharu
2017-10-02 12:43 ` YAMAMOTO Mitsuharu
2017-10-02 16:08 ` Eli Zaretskii
2017-10-04 7:39 ` Eli Zaretskii
2017-10-04 7:49 ` YAMAMOTO Mitsuharu
2017-10-04 8:16 ` Eli Zaretskii
2017-10-04 8:32 ` YAMAMOTO Mitsuharu
2017-10-04 9:23 ` Eli Zaretskii
2017-10-05 3:27 ` YAMAMOTO Mitsuharu
2017-10-05 7:24 ` Eli Zaretskii
2017-10-07 13:53 ` Philipp Stephani [this message]
2017-10-07 14:24 ` Eli Zaretskii
2017-10-07 14:50 ` Eli Zaretskii
2017-10-09 8:21 ` YAMAMOTO Mitsuharu
2017-10-09 8:38 ` Eli Zaretskii
2017-10-09 10:34 ` mituharu
2017-10-09 11:01 ` Eli Zaretskii
2017-10-04 7:39 ` YAMAMOTO Mitsuharu
2017-10-04 8:14 ` Eli Zaretskii
2017-10-02 5:11 ` Eric Abrahamsen
2017-10-02 15:54 ` Eli Zaretskii
2017-10-03 9:35 ` Dmitry Gutov
2017-10-03 14:38 ` Eli Zaretskii
2017-10-03 14:50 ` Philipp Stephani
2017-10-03 15:45 ` Eli Zaretskii
2017-10-03 16:22 ` Philipp Stephani
2017-10-03 16:35 ` Eli Zaretskii
2017-10-03 17:04 ` Philipp Stephani
2017-10-01 10:08 ` Alan Third
2017-10-01 15:03 ` Eli Zaretskii
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