Re: RFC: A revised timerfd API

Davide Libenzi
2007-09-18T16:52:05Z

On Tue, 18 Sep 2007, Michael Kerrisk wrote:

> The four designs are:
>
> a) A multiplexing timerfd() system call.
> b) Creating three syscalls analogous to the POSIX timers API (i.e.,
> timerfd_create/timerfd_settime/timerfd_gettime).
> c) Creating a simplified timerfd() system call that is integrated
> with the POSIX timers API.
> d) Extending the POSIX timers API to support the timerfd concept.

If you really want to shoot yourself in your foot, I'd pick bullet B.
Bullet A makes me sea-sick, and bullets C and D, well, let's leave POSIX
APIs being *POSIX* APIs.
Once you remove all the "ifs" and "elses" that resulted from your previous
bullet A multiplexing implementation, timerfd_gettime and timerfd_settime
should result in being pretty slick.
I still think we could have survived w/out all this done inside the
kernel though.

- Davide