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Date: Mon, 18 Nov 2002 15:09:36 -0800 (PST)
From: Davide Libenzi <davidel@xmailserver.org>
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To: Dan Kegel <dank@kegel.com>
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Subject: Re: [rfc] epoll interface change and glibc bits ...
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On Mon, 18 Nov 2002, Dan Kegel wrote:

> Ulrich wrote:
> >> epoll does hook f_op->poll() and hence uses the asm/poll.h bits.
> >
> > It does today.  We are talking about "you promise that this will be the
> > case ever after or we'll cut your head off".  I have no idea why you're
> > so reluctant since you don't have to maintain any of the user-level
> > bits.  And it is not you who has to deal with the fallout of a change
> > when it happens.
> >
> > If epoll is so different from poll (and this is what I've been told frmo
> > Davide) then there should be a clear separation of the interfaces and
> > all those arguing to unify the data types and constants better should
> > rethink there understanding.
>
> epoll is not really that different from poll, is it?
> It delivers edge-triggered versions of the same events poll uses.
> Or is there something epoll does I'm not aware of?

The interface ( edge-triggered ) is quite different and we saw in the
previous experience how this might lead to confusion for the user. Putting
epoll bits inside poll.h will IMHO increase this.



- Davide


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