linux-kernel - Re: [take24 0/6] kevent: Generic event handling mechanism.

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Message-ID: <4564CE00.9030904@redhat.com>
Date:	Wed, 22 Nov 2006 14:24:00 -0800
From:	Ulrich Drepper <drepper@...hat.com>
To:	Evgeniy Polyakov <johnpol@....mipt.ru>
CC:	David Miller <davem@...emloft.net>, Andrew Morton <akpm@...l.org>,
	netdev <netdev@...r.kernel.org>,
	Zach Brown <zach.brown@...cle.com>,
	Christoph Hellwig <hch@...radead.org>,
	Chase Venters <chase.venters@...entec.com>,
	Johann Borck <johann.borck@...sedata.com>,
	linux-kernel@...r.kernel.org, Jeff Garzik <jeff@...zik.org>,
	Alexander Viro <aviro@...hat.com>
Subject: Re: [take24 0/6] kevent: Generic event handling mechanism.

Evgeniy Polyakov wrote:
> On Wed, Nov 22, 2006 at 03:09:34PM +0300, Evgeniy Polyakov (johnpol@....mipt.ru) wrote:
>> Ok, to solve the problem in the way which should be good for both I
>> decided to implement additional syscall which will allow to mark any
>> event as ready and thus wake up appropriate threads. If userspace will
>> request zero events to be marked as ready, syscall will just
>> interrupt/wakeup one of the listeners parked in syscall.

I'll wait for the new code drop to comment.


> Btw, what about putting aditional multiplexer into add/remove/modify
> switch? There will be logical 'ready' addon?

Is it needed?  Usually this is done with a *_wait call with a timeout of 
zero.  That code path might have to be optimized but it should already 
be there.

-- 
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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