Lines Matching refs:period
280 struct itimerval period, remains;
293 * Apply a slew rate of slew_rate over a period of dt/slew_rate seconds.
301 period.it_value.tv_sec = dt / slew_rate;
302 period.it_value.tv_usec = (dt % slew_rate) * (MILLION / slew_rate);
304 * Note: we assume the kernel will convert the specified period into ticks
312 period.it_value.tv_sec, period.it_value.tv_usec);
315 period.it_value.tv_sec, period.it_value.tv_usec);
327 * (do this after changing the rate because the period has been rounded down)
329 period.it_interval.tv_sec = period.it_interval.tv_usec = 0L;
330 setitimer(ITIMER_REAL, &period, &remains);