Ejemplo n.º 1
0
void __KernelMutexThreadEnd(SceUID threadID)
{
	u32 error;

	// If it was waiting on the mutex, it should finish now.
	SceUID waitingMutexID = __KernelGetWaitID(threadID, WAITTYPE_MUTEX, error);
	if (waitingMutexID)
	{
		Mutex *mutex = kernelObjects.Get<Mutex>(waitingMutexID, error);
		if (mutex)
			mutex->waitingThreads.erase(std::remove(mutex->waitingThreads.begin(), mutex->waitingThreads.end(), threadID), mutex->waitingThreads.end());
	}

	// Unlock all mutexes the thread had locked.
	std::pair<MutexMap::iterator, MutexMap::iterator> locked = mutexHeldLocks.equal_range(threadID);
	for (MutexMap::iterator iter = locked.first; iter != locked.second; )
	{
		// Need to increment early so erase() doesn't invalidate.
		SceUID mutexID = (*iter++).second;
		Mutex *mutex = kernelObjects.Get<Mutex>(mutexID, error);

		if (mutex)
		{
			mutex->nm.lockLevel = 0;
			__KernelUnlockMutex(mutex, error);
		}
	}
}
Ejemplo n.º 2
0
// int sceKernelUnlockMutex(SceUID id, int count)
int sceKernelUnlockMutex(SceUID id, int count)
{
	DEBUG_LOG(HLE, "sceKernelUnlockMutex(%i, %i)", id, count);
	u32 error;
	Mutex *mutex = kernelObjects.Get<Mutex>(id, error);

	if (error)
		return error;
	if (count <= 0)
		return SCE_KERNEL_ERROR_ILLEGAL_COUNT;
	if ((mutex->nm.attr & PSP_MUTEX_ATTR_ALLOW_RECURSIVE) == 0 && count > 1)
		return SCE_KERNEL_ERROR_ILLEGAL_COUNT;
	if (mutex->nm.lockLevel == 0 || mutex->nm.lockThread != __KernelGetCurThread())
		return PSP_MUTEX_ERROR_NOT_LOCKED;
	if (mutex->nm.lockLevel < count)
		return PSP_MUTEX_ERROR_UNLOCK_UNDERFLOW;

	mutex->nm.lockLevel -= count;

	if (mutex->nm.lockLevel == 0)
	{
		if (__KernelUnlockMutex(mutex, error))
			hleReSchedule("mutex unlocked");
	}

	return 0;
}
Ejemplo n.º 3
0
// int sceKernelUnlockMutex(SceUID id, int count)
// void because it changes threads.
void sceKernelUnlockMutex(SceUID id, int count)
{
	DEBUG_LOG(HLE,"sceKernelUnlockMutex(%i, %i)", id, count);
	u32 error;
	Mutex *mutex = kernelObjects.Get<Mutex>(id, error);

	if (!error)
	{
		if (count <= 0)
			error = SCE_KERNEL_ERROR_ILLEGAL_COUNT;
		else if ((mutex->nm.attr & PSP_MUTEX_ATTR_ALLOW_RECURSIVE) == 0 && count > 1)
			error = SCE_KERNEL_ERROR_ILLEGAL_COUNT;
		else if (mutex->nm.lockLevel == 0 || mutex->nm.lockThread != __KernelGetCurThread())
			error = PSP_MUTEX_ERROR_NOT_LOCKED;
		else if (mutex->nm.lockLevel < count)
			error = PSP_MUTEX_ERROR_UNLOCK_UNDERFLOW;
	}

	if (error)
	{
		RETURN(error);
		return;
	}

	mutex->nm.lockLevel -= count;
	RETURN(0);

	if (mutex->nm.lockLevel == 0)
	{
		__KernelUnlockMutex(mutex, error);
		__KernelReSchedule("mutex unlocked");
	}
}