Function timerfd_settime 

pub fn timerfd_settime(
    tfd_id: u32,
    flags: u32,
    new_spec: &Itimerspec,
    old_spec: Option<&mut Itimerspec>,
) -> Result<usize, SyscallError>

Arm or disarm a timerfd.

Arguments

• tfd_id: Timer fd ID.
• flags: TFD_TIMER_ABSTIME for absolute time.
• new_spec: New timer specification.

Returns

The previous timer specification via old_spec (if non-null).