Re: [rfc] epoll interface change and glibc bits ...

[Dan Kegel <dank@kegel.com>]

Davide Libenzi wrote:
> On Mon, 18 Nov 2002, Dan Kegel wrote:
>>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.

IMHO changing from using POLLIN etc. to EPOLLIN
will obscure the essential relationship between
epoll and poll (namely, that the epoll bits
are the time derivative of the poll bits).

I would prefer to continue using POLLIN, etc.
- Dan