public IAsyncResult BeginCloseInput(TimeSpan timeout, AsyncCallback callback, object state)
{
CloseCommunicationAsyncResult closeResult = null;
lock (ThisLock)
{
if (ActivityCount > 0)
{
closeResult = new CloseCommunicationAsyncResult(timeout, callback, state, ThisLock);
if (!(_activityWaiter == null))
{
Fx.Assert("ServiceChannelManager.BeginCloseInput: (this.activityWaiter == null)");
}
_activityWaiter = closeResult;
Interlocked.Increment(ref _activityWaiterCount);
}
}
if (closeResult != null)
{
return(closeResult);
}
else
{
return(new CompletedAsyncResult(callback, state));
}
}
public void EndCloseInput(IAsyncResult result)
{
if (result is CloseCommunicationAsyncResult)
{
CloseCommunicationAsyncResult.End(result);
if (Interlocked.Decrement(ref _activityWaiterCount) == 0)
{
_activityWaiter.Dispose();
_activityWaiter = null;
}
}
else
{
CompletedAsyncResult.End(result);
}
}
public IAsyncResult BeginCloseInput(TimeSpan timeout, AsyncCallback callback, object state)
{
CloseCommunicationAsyncResult result = null;
lock (base.ThisLock)
{
if (this.activityCount > 0)
{
result = new CloseCommunicationAsyncResult(timeout, callback, state, base.ThisLock);
ICommunicationWaiter activityWaiter = this.activityWaiter;
this.activityWaiter = result;
Interlocked.Increment(ref this.activityWaiterCount);
}
}
if (result != null)
{
return(result);
}
return(new CompletedAsyncResult(callback, state));
}
