From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ulrich Drepper <drepper@redhat.com>
Subject: Re: [take24 0/6] kevent: Generic event handling mechanism.
Date: Wed, 22 Nov 2006 14:24:00 -0800
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Cc: David Miller <davem@davemloft.net>, Andrew Morton <akpm@osdl.org>,
	netdev <netdev@vger.kernel.org>,
	Zach Brown <zach.brown@oracle.com>,
	Christoph Hellwig <hch@infradead.org>,
	Chase Venters <chase.venters@clientec.com>,
	Johann Borck <johann.borck@densedata.com>,
	linux-kernel@vger.kernel.org, Jeff Garzik <jeff@garzik.org>,
	Alexander Viro <aviro@redhat.com>
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To: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
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Evgeniy Polyakov wrote:
> On Wed, Nov 22, 2006 at 03:09:34PM +0300, Evgeniy Polyakov (johnpol@2=
ka.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 wi=
ll
>> 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 o=
f=20
zero.  That code path might have to be optimized but it should already=20
be there.

--=20
=E2=9E=A7 Ulrich Drepper =E2=9E=A7 Red Hat, Inc. =E2=9E=A7 444 Castro S=
t =E2=9E=A7 Mountain View, CA =E2=9D=96