From: Stefan Monnier <monnier@iro.umontreal.ca>
To: emacs-devel@gnu.org
Subject: Re: A question regarding sit-for (and while-no-input)
Date: Thu, 06 Sep 2018 08:33:32 -0400 [thread overview]
Message-ID: <jwvr2i6st8z.fsf-monnier+gmane.emacs.devel@gnu.org> (raw)
In-Reply-To: 87ftymzvjv.fsf@gmail.com
> A quick followup to my question. I did some more tests and it seems an
> using unwind-protect fixes the issue.
>
> (unwind-protect
> (while (sit-for 30))
> (setq cancelled t)
> ...)
Ha, that's exactly what I was about to suggest.
> I don't understand the need for the "unwind-protect" and my question
> stands. Is the sit-for call silently quitting or what? I don't see any
> "Quit" in my *Messages* buffer and I'm not pressing C-g at any moment.
Maybe the code is sometimes run within a while-no-input?
Also the sit-for could exit non-locally if some other code
(timer/processfilter) does a `throw`.
Stefan
next prev parent reply other threads:[~2018-09-06 12:33 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-06 11:29 A question regarding sit-for (and while-no-input) João Távora
2018-09-06 11:59 ` João Távora
2018-09-06 12:33 ` Stefan Monnier [this message]
2018-10-04 16:33 ` João Távora
2018-10-05 12:36 ` Stefan Monnier
2018-10-06 10:35 ` João Távora
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