Re: [PATCH] async poll for 2.5

[Dan Kegel]

Charles 'Buck' Krasic wrote:
> On thinking about this a bit, I wonder if the evtmask isn't superflous
> in sys_epoll_addf? ... As you say, the normal usage will be to 
 > register for all events anyway.

I agree... but we might eventually have events that apps aren't
interested in.  No harm in letting app specify an interest mask once.

> Taking the idea further, I would prefer that ALL non-blocking sockets
> are automatically added to the epoll interest set if the application
> has already called epoll_create().

That would prevent apps from having more than one i/o readiness
notification event source.  This is a problem for modular
software, where you try to combine libraries in a multithreaded
program.

- Dan