private void InsertWaitingMutexThreadUnsafe(KThread OwnerThread, KThread WaitThread)
{
WaitThread.MutexOwner = OwnerThread;
if (!OwnerThread.MutexWaiters.Contains(WaitThread))
{
OwnerThread.MutexWaiters.Add(WaitThread);
OwnerThread.UpdatePriority();
}
}
private void MutexUnlock(KThread CurrThread, long MutexAddress)
{
lock (Process.ThreadSyncLock)
{
//This is the new thread that will now own the mutex.
//If no threads are waiting for the lock, then it should be null.
(KThread OwnerThread, int Count) = PopMutexThreadUnsafe(CurrThread, MutexAddress);
if (OwnerThread == CurrThread)
{
throw new InvalidOperationException();
}
if (OwnerThread != null)
{
//Remove all waiting mutex from the old owner,
//and insert then on the new owner.
UpdateMutexOwnerUnsafe(CurrThread, OwnerThread, MutexAddress);
CurrThread.UpdatePriority();
int HasListeners = Count >= 2 ? MutexHasListenersMask : 0;
Memory.WriteInt32ToSharedAddr(MutexAddress, HasListeners | OwnerThread.WaitHandle);
OwnerThread.WaitHandle = 0;
OwnerThread.MutexAddress = 0;
OwnerThread.CondVarAddress = 0;
OwnerThread.MutexOwner = null;
OwnerThread.UpdatePriority();
Process.Scheduler.WakeUp(OwnerThread);
Device.Log.PrintDebug(LogClass.KernelSvc, "Gave mutex to thread id " + OwnerThread.ThreadId + "!");
}
else
{
Memory.WriteInt32ToSharedAddr(MutexAddress, 0);
Device.Log.PrintDebug(LogClass.KernelSvc, "No threads waiting mutex!");
}
}
}