int rt_cond_wait(RT_COND *cond, RT_MUTEX *mutex,
RTIME timeout)
{
struct service svc;
ticks_t now;
if (timeout != TM_INFINITE && timeout != TM_NONBLOCK) {
COPPERPLATE_PROTECT(svc);
clockobj_get_time(&alchemy_clock, &now, NULL);
COPPERPLATE_UNPROTECT(svc);
timeout += now;
}
return rt_cond_wait_until(cond, mutex, timeout);
}
void clockobj_get_distance(struct clockobj *clkobj,
const struct itimerspec *itm,
struct timespec *delta)
{
ticks_t now, start, interval, dist;
clockobj_get_time(clkobj, &now, NULL);
start = timespec_scalar(&itm->it_value);
if (start >= now)
/* Distance to first shot. */
dist = start - now;
else {
interval = timespec_scalar(&itm->it_interval);
/* Distance to next shot. */
dist = interval - ((now - start) % interval);
}
__clockobj_ticks_to_timespec(clkobj, dist, delta);
}
