public IThreadTaskInfo QueueUserWorkItem(WaitCallback callback, object state)
{
if (_cancelTS.IsCancellationRequested)
{
throw new ApplicationException("This thread pool is not running and cannot be used.");
}
ThreadTaskInfo item = new ThreadTaskInfo(callback, state)
{
TaskStatus = TaskStatus.WaitingToRun
};
_queue.Add(item);
return(item);
}
private void ProcessQueue()
{
while (!_cancelTS.IsCancellationRequested)
{
ThreadTaskInfo taskInfo = null;
try
{
//blocks til a task is available
taskInfo = _queue.Take(_cancelTS.Token);
}
catch (OperationCanceledException)
{
//Take was cancelled, stop processing tasks
break;
}
if (taskInfo != null)
{
try
{
Interlocked.Increment(ref _activeThreadCount);
taskInfo.TaskStatus = TaskStatus.Running;
taskInfo.Callback(taskInfo.State);
taskInfo.TaskStatus = TaskStatus.RanToCompletion;
}
catch (Exception ex)
{
taskInfo.TaskStatus = TaskStatus.Faulted;
}
finally
{
Interlocked.Decrement(ref _activeThreadCount);
}
}
}
}
