Re: Unifying epoll,aio,futexes etc. (What I really want from epoll)

From: Jamie Lokier (lk@tantalophile.demon.co.uk)
Date: Thu Oct 31 2002 - 19:32:38 EST


Rusty Russell wrote:
> I think a naive implementation of futex_set_wait would look like:

Vaguely. We are looking for something with the queue-like semantics
of epoll and rt-signals: persistent (as opposed to one-shot)
listening, ordered delivery of events, scalable listening to thousands
at once (without the poll/select O(n) problem).

> Not sure I get the point about livelock though: deadlock is possible if
> apps seek multiple locks at once without care, of course.

I'm not sure what Alan meant either.

-- Jamie
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