GNU bug report logs - #14553
[cygwin] C-g doesn't interrupt (while t)

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Package: emacs;

Reported by: Katsumi Yamaoka <yamaoka <at> jpl.org>

Date: Tue, 4 Jun 2013 07:07:02 UTC

Severity: normal

Found in version 24.3.50

Done: Ken Brown <kbrown <at> cornell.edu>

Bug is archived. No further changes may be made.

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From: Ken Brown <kbrown <at> cornell.edu>
To: Katsumi Yamaoka <yamaoka <at> jpl.org>
Cc: 14553 <at> debbugs.gnu.org
Subject: bug#14553: 24.3.50; C-g doesn't break inf-loop
Date: Tue, 02 Jul 2013 16:12:41 -0400

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.

Ken
This bug report was last modified 1 year and 135 days ago.

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