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bug#14553: 24.3.50; C-g doesn't break inf-loop
From: |
Josh |
Subject: |
bug#14553: 24.3.50; C-g doesn't break inf-loop |
Date: |
Tue, 2 Jul 2013 16:17:01 -0700 |
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.