From: Rick Hohensee <humbubba@smarty.smart.net>
To: linux-kernel@vger.kernel.org
Subject: Re: Task Switching in Linux
Date: Mon, 11 Jun 2001 22:02:53 -0400 (EDT) [thread overview]
Message-ID: <200106120202.WAA27885@smarty.smart.net> (raw)
Jaswinder Singh wrote:
>
> In Linux , If we assume that there are only 2 tasks A and B and both are
> equal , this is correct or not :-
>
> TASK A -> schedule -> switch_to -> TASK B -> schedule -> switch_to ->
> schedule -> switch_to -> TASK A.
>
If you mean "->" as "specifically calls" then that looks like cooperative
multi-tasking, which is what kernel threads AND the Linux userland
scheduler do. If an in-kernel thread doesn't call schedule, it keeps the
CPU. See the H3rL stuff in ftp://linux01.gwdg.de/pub/cLIeNUX/interim
Rick Hohensee
:; cLIeNUX /dev/tty11 21:00:45 /
:;d -d */
Cintpos/ boot/ device/ incoming/ owner/ temp/
Debian/ command/ floppy/ log/ source/
Linux/ configure/ guest/ lost+found/ subroutine/
NetBSD/ dev/ help/ mounts/ suite/
next reply other threads:[~2001-06-12 1:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-06-12 2:02 Rick Hohensee [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-06-11 20:30 Task Switching in Linux Jaswinder Singh
2001-06-11 22:45 ` george anzinger
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