Re: [PATCH] epoll more scalable than poll

[Jamie Lokier]

bert hubert wrote:
> > :( I was hoping sys_epoll would be scalable without increasing the
> > number of system calls per event.
> 
> I see only one call per event? sys_epoll_wait. Perhaps sys_epoll_ctl to
> register a new interest.

As David pointed out, you need a second call before the sys_epoll_wait
if you're waiting for fds that epoll doesn't support (such as a tty).

-- Jamie