private void ReturnToPool()
{
if (_token == 0)
{
throw new ObjectDisposedException(this.GetType().Name);
}
_token = 0;
if (_stateMachineBox != null)
{
_stateMachineBox.Return();
_stateMachineBox = null;
}
_status = ValueSourceStatus.Pending;
_continuation = null;
_continueWithAction = null;
_runWithContinue = false;
_pool.Push(this);
Diagnostics.Trace.TraceReturn(this);
}
