linux-kernel - Re: [RFC/PATCH] epoll: replace EPOLL_CTL_DISABLE with EPOLL_CTL

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Message-ID: <20121106215854.GA6626@dcvr.yhbt.net>
Date:	Tue, 6 Nov 2012 21:58:54 +0000
From:	Eric Wong <normalperson@...t.net>
To:	Christof Meerwald <cmeerw@...erw.org>
Cc:	Alexander Viro <viro@...iv.linux.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jason Baron <jbaron@...hat.com>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, Paul Holland <pholland@...be.com>,
	Davide Libenzi <davidel@...ilserver.org>,
	Michael Kerrisk <mtk.manpages@...il.com>,
	libc-alpha@...rceware.org, linux-api@...r.kernel.org,
	paulmck@...ux.vnet.ibm.com
Subject: Re: [RFC/PATCH] epoll: replace EPOLL_CTL_DISABLE with
 EPOLL_CTL_POKE

Christof Meerwald <cmeerw@...erw.org> wrote:
> On Fri, 2 Nov 2012 04:13:12 +0000, Eric Wong wrote:
> [...]
> > EPOLL_CTL_POKE may be used to force an item into the epoll
> > ready list.  Instead of disabling an item asynchronously
> > via EPOLL_CTL_DISABLE, this forces the threads calling
> > epoll_wait() to handle the item in its normal loop.
> 
> That was my initial suggestion as well - see
> https://lkml.org/lkml/2012/6/19/358

Thanks, missed that the first time around.  Perhaps TRIGGER is a
better name than POKE :x

I'm hoping Paton has a chance to look at my implementation and
comment on it.
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