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

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ken Brown <kbrown <at> cornell.edu>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#14553: closed ([cygwin] C-g doesn't interrupt (while t))
Date: Wed, 10 Jan 2024 16:32:01 +0000

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Your message dated Wed, 10 Jan 2024 11:31:38 -0500
with message-id <d597a630-97ef-4908-a46a-c4864ec645c1 <at> cornell.edu>
and subject line Re: bug#14553: [cygwin] C-g doesn't interrupt (while t)
has caused the debbugs.gnu.org bug report #14553,
regarding [cygwin] C-g doesn't interrupt (while t)
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Katsumi Yamaoka <yamaoka <at> jpl.org>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.3.50; C-g doesn't break inf-loop
Date: Tue, 04 Jun 2013 15:10:48 +0900

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.

In GNU Emacs 24.3.50.1 (i686-pc-cygwin, X toolkit, Xaw3d scroll bars)
 of 2013-06-04 on localhost
Bzr revision: 112842 michael.albinus <at> gmx.de-20130603193806-1f2pilg1t709mqyg
Windowing system distributor `The Cygwin/X Project', version 11.0.11401000
Configured using:
 `configure --verbose --with-x-toolkit=lucid --without-imagemagick
 --without-dbus --without-gconf --without-gsettings'

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From: Ken Brown <kbrown <at> cornell.edu>
To: Stefan Kangas <stefankangas <at> gmail.com>, Katsumi Yamaoka <yamaoka <at> jpl.org>
Cc: Daniel Colascione <dancol <at> dancol.org>, 14553-done <at> debbugs.gnu.org
Subject: Re: bug#14553: [cygwin] C-g doesn't interrupt (while t)
Date: Wed, 10 Jan 2024 11:31:38 -0500

On 1/10/2024 6:14 AM, Stefan Kangas wrote:
> Daniel Colascione <dancol <at> dancol.org> writes:
> 
>> Sounds like a problem with signal delivery. Have you reported it to the
>> cygwin mailing list?
> 
> Stefan Kangas <stefankangas <at> gmail.com> writes:
> 
>> Katsumi Yamaoka <yamaoka <at> jpl.org> writes:
>>
>>>> That was six years ago.  Are you still seeing this on a modern version
>>>> of Emacs?
>>>
>>> C-g still doesn't break (while t) on Emacs 27.0.50 of today, and
>>> also on 26.3.50, 26.1, 25.1 rebuilt recently.  I got used to it,
>>> so I'm not so troubled. ;-)  Thanks for following this up.
>>
>> Thanks for reporting back.
>>
>> Daniel Colascione suggested that there might be a problem with signal
>> delivery on Cygwin, and to report it to their mailing list:
>> https://debbugs.gnu.org/cgi/bugreport.cgi?bug=14553#20
>>
>> Perhaps that might be worth doing if you haven't already.
> 
> Coming back to this four years later, it sounds like this might be a bug
> in Cygwin.  Is that correct?

Not sure.

> If yes, should we really keep this bug open on our end?

I think it should be closed, and I'm doing it with this email.

Ken

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