internal IAsyncResult BeginShutDown(AsyncCallback userCallback, object state)
{
ShutDownAsyncResult ar = new ShutDownAsyncResult(this, userCallback, state);
bool firstTime = false;
lock (_syncRoot)
{
if (_state < SupervisorSessionState.Terminating)
{
this.UpdateState(SupervisorSessionState.Terminating);
firstTime = true;
}
else if (_state == SupervisorSessionState.Terminating)
{
_listOfShutDownAsyncResults.Add(ar);
}
else if (_state == SupervisorSessionState.Terminated)
{
ar.SetAsCompleted(null, true);
}
}
if (firstTime)
{
ThreadPool.QueueUserWorkItem((waitState) =>
{
ShutDownAsyncResult tempAr = waitState as ShutDownAsyncResult;
tempAr.Process();
}, ar);
}
return(ar);
}
