From: Ken Brown <kbrown@cornell.edu>
To: Josh <josh@foxtail.org>
Cc: Katsumi Yamaoka <yamaoka@jpl.org>, 14553@debbugs.gnu.org
Subject: bug#14553: 24.3.50; C-g doesn't break inf-loop
Date: Wed, 03 Jul 2013 07:13:49 -0400 [thread overview]
Message-ID: <51D4076D.402@cornell.edu> (raw)
In-Reply-To: <CANdFEAGiRUUt6_DCK-pSKivNYoxR3cggbwQU+v47WiKe4SYCzQ@mail.gmail.com>
On 7/2/2013 7:17 PM, Josh wrote:
> On Tue, Jul 2, 2013 at 1:12 PM, Ken Brown <kbrown@cornell.edu> wrote:
>> On 6/4/2013 2:10 AM, Katsumi Yamaoka wrote:
>>>
>>> Hi,
>>>
>>> Start Emacs with the -Q option.
>>> Eval the form: (while t)
>>>
>>> Then I get unable to break it. So is Emacs 24.3. This may happen
>>> only on Cygwin, though. It makes me hard to debug a code suspected
>>> to have an infinite loop.
>
>> I can confirm that this happens on Cygwin but not on GNU/Linux. This may
>> just reflect the fact that Cygwin doesn't have SIGIO. Maybe someone who
>> understands how Emacs handles keyboard input can weigh in on this and
>> suggest a workaround.
>
> FWIW, I am able to successfully interrupt that loop via C-g on my
> Cygwin system, which was configured with the --with-w32 flag and built
> from yesterday's trunk.
And this also works with the X11 build if Emacs is run in the Cygwin
terminal (mintty). So it appears that the problem only occurs when
Emacs is running under X11. I don't know anything about how keyboard
input works under X11, so I'm not sure where to go from here.
Ken
next prev parent reply other threads:[~2013-07-03 11:13 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-04 6:10 bug#14553: 24.3.50; C-g doesn't break inf-loop Katsumi Yamaoka
2013-07-02 20:12 ` Ken Brown
2013-07-02 23:17 ` Josh
2013-07-03 0:34 ` Katsumi Yamaoka
2013-07-03 11:13 ` Ken Brown [this message]
2014-03-23 6:27 ` Daniel Colascione
2019-09-30 15:44 ` Stefan Kangas
2019-10-01 0:01 ` Katsumi Yamaoka
2019-10-01 0:59 ` Stefan Kangas
2024-01-10 11:14 ` bug#14553: [cygwin] C-g doesn't interrupt (while t) Stefan Kangas
2024-01-10 16:31 ` Ken Brown
2024-01-10 17:09 ` Stefan Kangas
2024-01-11 5:29 ` Katsumi Yamaoka
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