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From: Jeff Clough <jeff@chaosphere.com>
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Subject: Re: elisp: `quit-process' and `sleep-for'
Date: Tue, 24 Aug 2010 14:02:14 -0400
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Memnon Anon <gegendosenfleisch@googlemail.com> writes:

> Hi,
>
> I am having trouble with this function: 
>
> (defun set_timer (rtcopt value)
> ; [...]
>
> (start-process "alarmclock-mp3" nil "/usr/bin/mplayer" "-quiet" music)
>
> (while (y-or-n-p "Snooze?")
>       (when (get-process "alarmclock-mp3")
>         (quit-process "alarmclock-mp3")
> ;        (debug)
>         (sleep-for 100000)
>         (sleep-for 5))
>       (start-process "alarmclock-mp3" nil "/usr/bin/mplayer" "-quiet" music))
> (kill-emacs))

As a point of comparison, does this work as intended if you use
delete-process instead of quit-process?

Jeff