C++ (Cpp) syscall_64_bit_return_value示例

示例#1

文件： real_time_clock.cpp 项目： mmadia/Haiku-services-branch

bigtime_t
_user_system_time(void)
{
	syscall_64_bit_return_value();

	return system_time();
}

示例#2

文件： signal.cpp 项目： mmanley/Antares

bigtime_t
_user_set_alarm(bigtime_t time, uint32 mode)
{
	syscall_64_bit_return_value();

	return set_alarm(time, mode);
}

示例#3

文件： scheduler.cpp 项目： mariuz/haiku

bigtime_t
_user_estimate_max_scheduling_latency(thread_id id)
{
	syscall_64_bit_return_value();

	InterruptsSpinLocker locker(gThreadSpinlock);

	struct thread* thread = id < 0
		? thread_get_current_thread() : thread_get_thread_struct_locked(id);
	if (thread == NULL)
		return 0;

	return gScheduler->estimate_max_scheduling_latency(thread);
}

示例#4

文件： fd.cpp 项目： simonsouth/haiku

off_t
_user_seek(int fd, off_t pos, int seekType)
{
	syscall_64_bit_return_value();

	struct file_descriptor* descriptor;

	descriptor = get_fd(get_current_io_context(false), fd);
	if (descriptor == NULL || (descriptor->open_mode & O_DISCONNECTED) != 0)
		return B_FILE_ERROR;

	TRACE(("user_seek(descriptor = %p)\n", descriptor));

	if (descriptor->ops->fd_seek != NULL)
		pos = descriptor->ops->fd_seek(descriptor, pos, seekType);
	else
		pos = ESPIPE;

	put_fd(descriptor);
	return pos;
}

示例#5

文件： scheduler.cpp 项目： mmadia/Haiku-services-branch

bigtime_t
_user_estimate_max_scheduling_latency(thread_id id)
{
	syscall_64_bit_return_value();

	// get the thread
	Thread* thread;
	if (id < 0) {
		thread = thread_get_current_thread();
		thread->AcquireReference();
	} else {
		thread = Thread::Get(id);
		if (thread == NULL)
			return 0;
	}
	BReference<Thread> threadReference(thread, true);

	// ask the scheduler for the thread's latency
	InterruptsSpinLocker locker(gSchedulerLock);
	return gScheduler->estimate_max_scheduling_latency(thread);
}