Re: Why does timerfd() only support CLOCK_REALTIME and CLOCK_MONOTONIC?

Michael Kerrisk
2009-02-08T21:30:05Z

> @@ -186,12 +187,9 @@ SYSCALL_DEFINE2(timerfd_create, int, clo
> BUILD_BUG_ON(TFD_CLOEXEC != O_CLOEXEC);
> BUILD_BUG_ON(TFD_NONBLOCK != O_NONBLOCK);
>
> - if (flags & ~(TFD_CLOEXEC | TFD_NONBLOCK))
> + if ((flags & ~TFD_FLAGS_SET) ||
> + invalid_clockid(clockid))
> return -EINVAL;

Oh! Does this mean that in 2.6.2[789] it wasn't possible to use
TFD_TIMER_ABSTIME?