public void SetInterval(long nsec)
{
var tm = new timespec
{
tv_sec = (int)(nsec / 1_000_000_000L),
tv_nsec = (int)(nsec % 1_000_000_000L)
};
var newValue = new itimerspec
{
it_value = tm,
it_interval = tm
};
Interops.timerfd_settime(this.Identity, 0, ref newValue, out var dummy);
}
public static extern int timerfd_settime(
int fd, int flags,
ref itimerspec new_value,
out itimerspec old_value);