Re: [PATCH] async poll for 2.5

From: Benjamin LaHaise (bcrl@redhat.com)
Date: Tue Oct 15 2002 - 15:39:58 EST

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On Tue, Oct 15, 2002 at 01:36:38PM -0700, John Gardiner Myers wrote:
> Benjamin LaHaise wrote:
>
> >Erm, the aio interface has support for the event ringbuffer being accessed
> >by userspace
> >
> Making the event ringbuffer visible to userspace conflicts with being
> able to support event priorities. To support event priorities, the
> ringbuffer would need to be replaced with some other data structure.

No it does not. Event priorities are easily accomplished via separate
event queues for events of different priorities. Most hardware implements
event priorities in this fashion.

-ben

-- 
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