[Lse-tech] Re: [PATCH] epoll more scalable than poll

[Jamie L. <lk...@ta...>]

Jamie Lokier wrote:
> 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).
           ^
       insert "also"

-- Jamie