internal void StartTask(bool newThread)
{
if (cancelled)
{
ThrowCancelException();
}
if (TryReserve())
{
parent = Task.CurrentTask;
if (parent != null)
{
// register at our parent-task
parent.RegisterChild(this);
}
if (newThread)
{
JibuThreadPool.runTask(RunTask);
}
else
{
TaskScheduler curTaskScheduler = TaskScheduler.CurrentTaskScheduler;
if (curTaskScheduler == null)
{
ThreadScheduler.AddTask(this);
}
else
{
curTaskScheduler.QueuedTasks.Push(this);
}
}
}
}
internal void Start()
{
thread = Thread.CurrentThread;
CurrentTaskScheduler = this;
while (!stopRequested)
{
Task w = queuedTasks.Pop();
if (w == null)
{
TaskScheduler other = next;
while (other != this)
{
w = other.Steal();
if (w != null)
{
break;
}
other = other.next;
}
if (w == null)
{
if (!ThreadScheduler.StealDeque(this))
{
stopped = true;
CurrentTaskScheduler = null;
return;
}
else
{
continue;
}
}
}
// w should not be null at this point
w.RunTask();
} // end while(!stopRequested)
// we have been stopped
ThreadScheduler.AddTasks(queuedTasks);
stopped = true;
CurrentTaskScheduler = null;
}