lkml.org 
[lkml]   [2002]   [Nov]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [rfc] epoll interface change and glibc bits ...
On Mon, 18 Nov 2002, Dan Kegel wrote:

> Davide Libenzi wrote:
> >>I'd be happy to contribute better doc... has the man page
> >>for sys_epoll been written yet?
> >
> > http://www.xmailserver.org/linux-patches/epoll.2
> > http://www.xmailserver.org/linux-patches/epoll_create.2
> > http://www.xmailserver.org/linux-patches/epoll_ctl.2
> > http://www.xmailserver.org/linux-patches/epoll_wait.2
> >
> > it is going to change though with the latest talks about the interface.
>
> Hmm. Right off the bat, I see a terminology problem.
> The man page says
>
> .SH NAME
> epoll \- edge triggered asynchronous I/O facility
>
> That's going to confuse some users. They might think
> epoll can actually initiate I/O. Better to say
>
> epoll \- edge triggered I/O readiness notification facility

Yes, maybe sounds better ...


> Second, epoll_ctl(2) doesn't define the meaning of the
> event mask. It should give the allowed bits and define
> their meanings. If we use the traditional POLLIN etc, we
> can say
> POLLIN - the fd has become ready for reading
> POLLOUT - the fd has become ready for writing
> Note: If epoll tells you e.g. POLLIN, it means that
> poll will tell you the same thing,
> since poll gives the current status,
> and epoll gives changes in status.

I will have to change man pages also to fit EPOLL* definitions.



- Davide


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:31    [W:0.487 / U:0.372 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site