linux-kernel - Re: unexpected extra pollout events from epoll

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Date:	Sun, 26 Oct 2008 18:23:36 -0700 (PDT)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Paul P <ppak_98@...oo.com>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: unexpected extra pollout events from epoll

On Sun, 26 Oct 2008, Davide Libenzi wrote:

> On Sun, 26 Oct 2008, Paul P wrote:
> 
> > However, I get strange behavior when I tried adding fd's with only the 
> > EPOLLIN interest mask. If I use epoll_wait with both the EPOLLIN and 
> > EPOLLOUT interest mask, but add fd's with only the EPOLLIN interest mask,
> > I still seem to get EPOLLOUT events on the fd.
> 
> Again, how the heck do you "use epoll_wait with both the EPOLLIN and 
> EPOLLOUT"?!? There is not such a thing.

Wait? It's not that you pass EPOLLIN or EPOLLOUT to the "maxevents" 
parameter of epoll_wait()?
That's the maximum event count you want to fetch, not an event mask.



- Davide


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