Exemplos de freezable_schedule em C++ (Cpp)

Exemplo n.º 1

Arquivo: hrtimer.c Projeto: keyu-lai/Geo-tagged-Filesystem

static int __sched do_nanosleep(struct hrtimer_sleeper *t, enum hrtimer_mode mode)
{
	hrtimer_init_sleeper(t, current);

	do {
		set_current_state(TASK_INTERRUPTIBLE);
		hrtimer_start_expires(&t->timer, mode);
		if (!hrtimer_active(&t->timer))
			t->task = NULL;

		if (likely(t->task))
			freezable_schedule();

		hrtimer_cancel(&t->timer);
		mode = HRTIMER_MODE_ABS;

	} while (t->task && !signal_pending(current));

	__set_current_state(TASK_RUNNING);

	return t->task == NULL;
}

Exemplo n.º 2

Arquivo: hrtimer.c Projeto: mdamt/linux

static int __sched do_nanosleep(struct hrtimer_sleeper *t, enum hrtimer_mode mode)
{
	struct restart_block *restart;

	hrtimer_init_sleeper(t, current);

	do {
		set_current_state(TASK_INTERRUPTIBLE);
		hrtimer_start_expires(&t->timer, mode);

		if (likely(t->task))
			freezable_schedule();

		hrtimer_cancel(&t->timer);
		mode = HRTIMER_MODE_ABS;

	} while (t->task && !signal_pending(current));

	__set_current_state(TASK_RUNNING);

	if (!t->task)
		return 0;

	restart = &current->restart_block;
	if (restart->nanosleep.type != TT_NONE) {
		ktime_t rem = hrtimer_expires_remaining(&t->timer);
		struct timespec64 rmt;

		if (rem <= 0)
			return 0;
		rmt = ktime_to_timespec64(rem);

		return nanosleep_copyout(restart, &rmt);
	}
	return -ERESTART_RESTARTBLOCK;
}