Esempi in C++ (Cpp) per machine_thread_dup

Esempio n. 1

File: thread_act.c Progetto: OpenDarwin-CVS/SEDarwin

kern_return_t
thread_dup(
	register thread_act_t	target)
{
	kern_return_t		result = KERN_SUCCESS;
	thread_act_t		self = current_act();
	thread_t			thread;

	if (target == THR_ACT_NULL || target == self)
		return (KERN_INVALID_ARGUMENT);

	thread = act_lock_thread(target);

	if (!target->active) {
		act_unlock_thread(target);
		return (KERN_TERMINATED);
	}

	thread_hold(target);

	for (;;) {
		thread_t			thread1;

		if (	thread == THREAD_NULL		||
				thread->top_act != target	)
			break;
		act_unlock_thread(target);

		if (!thread_stop(thread)) {
			result = KERN_ABORTED;
			(void)act_lock_thread(target);
			thread = THREAD_NULL;
			break;
		}

		thread1 = act_lock_thread(target);
		if (thread1 == thread)
			break;

		thread_unstop(thread);
		thread = thread1;
	}

	if (result == KERN_SUCCESS)
		result = machine_thread_dup(self, target);

	if (	thread != THREAD_NULL		&&
			thread->top_act == target	)
	    thread_unstop(thread);

	thread_release(target);
	act_unlock_thread(target);

	return (result);
}

Esempio n. 2

File: thread_act.c Progetto: aglab2/darwin-xnu

kern_return_t
thread_dup2(
	thread_t	source,
	thread_t	target)
{
	kern_return_t		result = KERN_SUCCESS;
	uint32_t		active = 0;

	if (source == THREAD_NULL || target == THREAD_NULL || target == source)
		return (KERN_INVALID_ARGUMENT);

	thread_mtx_lock(source);
	active = source->active;
	thread_mtx_unlock(source);

	if (!active) {
		return KERN_TERMINATED;
	}

	thread_mtx_lock(target);

	if (target->active || target->inspection) {
		thread_hold(target);

		thread_mtx_unlock(target);

		if (thread_stop(target, TRUE)) {
			thread_mtx_lock(target);
			result = machine_thread_dup(source, target);
			if (source->affinity_set != AFFINITY_SET_NULL)
				thread_affinity_dup(source, target);
			thread_unstop(target);
		}
		else {
			thread_mtx_lock(target);
			result = KERN_ABORTED;
		}

		thread_release(target);
	}
	else
		result = KERN_TERMINATED;

	thread_mtx_unlock(target);

	return (result);
}

Esempio n. 3

File: thread_act.c Progetto: Apple-FOSS-Mirror/xnu

kern_return_t
thread_dup(
	register thread_t	target)
{
	thread_t			self = current_thread();
	kern_return_t		result = KERN_SUCCESS;

	if (target == THREAD_NULL || target == self)
		return (KERN_INVALID_ARGUMENT);

	thread_mtx_lock(target);

	if (target->active) {
		thread_hold(target);

		thread_mtx_unlock(target);

		if (thread_stop(target, TRUE)) {
			thread_mtx_lock(target);
			result = machine_thread_dup(self, target);
			if (self->affinity_set != AFFINITY_SET_NULL)
				thread_affinity_dup(self, target);
			thread_unstop(target);
		}
		else {
			thread_mtx_lock(target);
			result = KERN_ABORTED;
		}

		thread_release(target);
	}
	else
		result = KERN_TERMINATED;

	thread_mtx_unlock(target);

	return (result);
}