C++ (Cpp) frozen_processの例

コード例 #1

ファイル: freezer.c プロジェクト: mpalmer/linux-2.6

/* Refrigerator is place where frozen processes are stored :-). */
void refrigerator(void)
{
	/* Hmm, should we be allowed to suspend when there are realtime
	   processes around? */
	long save;

	task_lock(current);
	if (freezing(current)) {
		frozen_process();
		task_unlock(current);
	} else {
		task_unlock(current);
		return;
	}
	save = current->state;
	pr_debug("%s entered refrigerator\n", current->comm);

	spin_lock_irq(&current->sighand->siglock);
	recalc_sigpending(); /* We sent fake signal, clean it up */
	spin_unlock_irq(&current->sighand->siglock);

	for (;;) {
		set_current_state(TASK_UNINTERRUPTIBLE);
		if (!frozen(current))
			break;
		schedule();
	}
	pr_debug("%s left refrigerator\n", current->comm);
	__set_current_state(save);
}

コード例 #2

ファイル: process.c プロジェクト: qwerty1023/wive-rtnl-firmware

/* Refrigerator is place where frozen processes are stored :-). */
void refrigerator(void)
{
	/* Hmm, should we be allowed to suspend when there are realtime
	   processes around? */
	long save;
	save = current->state;
	pr_debug("%s entered refrigerator\n", current->comm);

	frozen_process(current);
	spin_lock_irq(&current->sighand->siglock);
	recalc_sigpending(); /* We sent fake signal, clean it up */
	spin_unlock_irq(&current->sighand->siglock);

	while (frozen(current)) {
		current->state = TASK_UNINTERRUPTIBLE;
		schedule();
	}
	pr_debug("%s left refrigerator\n", current->comm);
	current->state = save;
}

コード例 #3

void refrigerator(void)
{
	
	long save;

	task_lock(current);
	if (freezing(current)) {
		frozen_process();
		task_unlock(current);
	} else {
		task_unlock(current);
		return;
	}
	save = current->state;
	pr_debug("%s entered refrigerator\n", current->comm);

	spin_lock_irq(&current->sighand->siglock);
	recalc_sigpending(); 
	spin_unlock_irq(&current->sighand->siglock);

	
	current->flags |= PF_FREEZING;

	for (;;) {
		set_current_state(TASK_UNINTERRUPTIBLE);
		if (!frozen(current))
			break;
		schedule();
	}

	
	current->flags &= ~PF_FREEZING;

	pr_debug("%s left refrigerator\n", current->comm);
	__set_current_state(save);
}