public bool run_one()
{
Monitor.Enter(_opQueue);
if (_runSign && 0 != _opQueue.Count)
{
MsgQueueNode <Action> firstNode = _opQueue.First;
_opQueue.RemoveFirst();
Monitor.Exit(_opQueue);
functional.catch_invoke(firstNode.Value);
return(true);
}
Monitor.Exit(_opQueue);
return(false);
}
protected bool running_a_round(curr_strand currStrand)
{
currStrand.strand = this;
while (0 != _readyQueue.Count)
{
if (0 != _pauseState && 0 != Interlocked.CompareExchange(ref _pauseState, 2, 1))
{
currStrand.strand = null;
return(false);
}
Action stepHandler = _readyQueue.First.Value;
_readyQueue.RemoveFirst();
functional.catch_invoke(stepHandler);
}
MsgQueue <Action> waitQueue = _waitQueue;
Monitor.Enter(this);
if (0 != _waitQueue.Count)
{
_waitQueue = _readyQueue;
Monitor.Exit(this);
_readyQueue = waitQueue;
currStrand.strand = null;
next_a_round();
}
else
{
_locked = false;
Monitor.Exit(this);
currStrand.strand = null;
}
return(true);
}