lkml.org 
[lkml]   [2000]   [Dec]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC] Semaphores used for daemon wakeup
On Sun, Dec 17, 2000 at 01:06:10PM +0100, Daniel Phillips wrote:
> This patch illustrates an alternative approach to waking and waiting on
> daemons using semaphores instead of direct operations on wait queues.
> The idea of using semaphores to regulate the cycling of a daemon was
> suggested to me by Arjan Vos. The basic idea is simple: on each cycle
> a daemon down's a semaphore, and is reactivated when some other task
> up's the semaphore.
[...]
>
> OK, there it is. Is this better, worse, or lateral?

Well, I have to confess I'm rather fond of this method, but that could have
something to do with it being how we did it in DYNIX/ptx (Sequent).
It certainly works, and I find it very clear, but of course I'm biased :-)

Tim

--
Tim Wright - timw@splhi.com or timw@aracnet.com or twright@us.ibm.com
"Nobody ever said I was charming, they said "Rimmer, you're a git!"" RD VI
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 12:52    [W:0.086 / U:0.224 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site