public override void Post(SendOrPostCallback callback, object state)
{
// There is two cases:
//
// 1) We are either in normal MicroThread inside Scheduler.Step() (CurrentThread test),
// in which case we will directly execute the callback to avoid further processing from scheduler.
// Also, note that Wait() sends us event that are supposed to come back into scheduler.
// NOTE: As it will end up on the callstack, it might be better to Schedule it instead (to avoid overflow)?
//
// 2) Otherwise, we just received an external task continuation (i.e. Task.Sleep()), or a microthread triggering
// another, so schedule it so that it comes back in our regular scheduler.
if (microThread.Scheduler.RunningMicroThread == microThread)
{
callback(state);
}
else if (microThread.State == MicroThreadState.Completed)
{
throw new InvalidOperationException("MicroThread is already completed but still posting continuations.");
}
else
{
microThread.ScheduleContinuation(microThread.ScheduleMode, callback, state);
}
}
public void OnCompleted(Action continuation)
{
microThread.ScheduleContinuation(ScheduleMode.Last, continuation);
}