From: Eli Zaretskii <eliz@gnu.org>
To: Thierry Volpiatto <thierry.volpiatto@gmail.com>
Cc: emacs-devel@gnu.org
Subject: Re: sleep-for documentation and how to pause reliably
Date: Sat, 16 Feb 2013 10:40:58 +0200 [thread overview]
Message-ID: <83bobkslb9.fsf@gnu.org> (raw)
In-Reply-To: <87r4khgvrf.fsf@gmail.com>
> From: Thierry Volpiatto <thierry.volpiatto@gmail.com>
> Cc: emacs-devel@gnu.org
> Date: Fri, 15 Feb 2013 21:36:04 +0100
>
> I tried to run the initial example you sent:
>
> (progn
> (setq proc (start-process-shell-command "ls" nil "ls"))
> (sleep-for 20)
> (message "hi"))
>
> and I noticed that the first time I eval the code Emacs wait for 20s as
> expected and on next evaluations it send the message "Hi" immediately
> unless I run `list-processes', wait some seconds and reeval it.
I never see anything close to 20 sec, neither on Windows nor on
GNU/Linux. The first evaluation takes a little longer (perhaps a
second or two) until I see "hi", but I think this is due to a cold
cache that makes start-process-shell-command slower.
next prev parent reply other threads:[~2013-02-16 8:40 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-15 9:22 sleep-for documentation and how to pause reliably Eli Zaretskii
2013-02-15 10:19 ` Thierry Volpiatto
2013-02-15 13:18 ` Eli Zaretskii
2013-02-15 20:36 ` Thierry Volpiatto
2013-02-16 8:40 ` Eli Zaretskii [this message]
2013-02-17 11:58 ` Xue Fuqiao
2013-02-17 16:26 ` Eli Zaretskii
2013-02-17 23:41 ` Xue Fuqiao
2013-02-15 16:11 ` Stefan Monnier
2013-02-15 18:24 ` Eli Zaretskii
2013-02-15 20:36 ` Stefan Monnier
2013-03-02 20:48 ` Johan Bockgård
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