From: Emanuel Berg <embe8573@student.uu.se>
To: help-gnu-emacs@gnu.org
Subject: Re: making software with Emacs and Elisp
Date: Fri, 25 Oct 2013 00:24:29 +0200 [thread overview]
Message-ID: <8761smgvd5.fsf@nl106-137-194.student.uu.se> (raw)
In-Reply-To: 878uxifhwu.fsf@informatimago.com
"Pascal J. Bourguignon" <pjb@informatimago.com> writes:
> If you want to run processes in the outer system you
> can call start-process amongst a few other functions.
No, I meant "Emacs processes" but you answered that with
`run-with-idle-timer', I guess.
> But you can have code scheduled to run in emacs. It
> is not a preemptive system, but a collaborative one,
> where each task must release the CPU quickly enough
> for the rest of the system to stay responsive. But a
> lot of tasks are scheduled this way in emacs
> (eg. background font-locking, semantic incremental
> parses, etc). See: run-with-idle-timer
OK, so there is one *main* Emacs process running, that
might turn *idle*, I guess if you don't do anything, and
when that happens, some Emacs arbitrator looks in a pool
of background tasks that would be beneficial if they
were run, and then runs them, and then when you start to
do something again, the main Emacs process does *not*
preempt those background tasks, instead they are run to
completion, and it is assumed you (the user) won't
notice, as they should be so fast anyway?
--
Emanuel Berg, programmer-for-rent. CV, projects, etc at uXu
underground experts united: http://user.it.uu.se/~embe8573
next prev parent reply other threads:[~2013-10-24 22:24 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-20 0:17 making software with Emacs and Elisp Emanuel Berg
2013-10-20 1:42 ` Pascal J. Bourguignon
2013-10-20 1:36 ` Emanuel Berg
2013-10-20 9:15 ` Marcin Borkowski
2013-10-20 12:40 ` Pascal J. Bourguignon
[not found] ` <mailman.4335.1382260532.10748.help-gnu-emacs@gnu.org>
2013-10-22 23:00 ` Emanuel Berg
2013-10-22 23:29 ` Marcin Borkowski
2013-10-23 0:36 ` Pascal J. Bourguignon
[not found] ` <mailman.4507.1382488595.10748.help-gnu-emacs@gnu.org>
2013-10-24 19:57 ` Emanuel Berg
2013-10-24 22:00 ` Pascal J. Bourguignon
2013-10-24 22:24 ` Emanuel Berg [this message]
2013-10-24 22:34 ` Pascal J. Bourguignon
[not found] ` <mailman.4647.1382654123.10748.help-gnu-emacs@gnu.org>
2013-10-24 22:43 ` Emanuel Berg
2013-10-25 19:11 ` Pascal J. Bourguignon
-- strict thread matches above, loose matches on Subject: below --
2013-10-20 1:00 Barry OReilly
[not found] <mailman.4327.1382230827.10748.help-gnu-emacs@gnu.org>
2013-10-20 1:12 ` Emanuel Berg
2013-10-20 1:51 ` Pascal J. Bourguignon
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