public void DoWorkAsync(Action<Object> workAction, IArgumentProvider provider)
{
exitState = ExitState.NORMAL;
CancellationToken token = tokenSource.Token;
Task mainTask = Task.Factory.StartNew(() =>
{
while (true)
{
if (token.IsCancellationRequested) break;
try
{
Object[] args = provider.GetArguments();
if (args.Length == 0) break;
List<Task> tasks = new List<Task>();
foreach (Object arg in args)
{
if (token.IsCancellationRequested) break;
try
{
Task subtask = Task.Factory.StartNew(workAction, arg, token);
subtask.ContinueWith(TaskFailed, TaskContinuationOptions.OnlyOnFaulted);
tasks.Add(subtask);
}
catch
{
exitState = ExitState.ERROR;
tokenSource.Cancel();
break;
}
}
try
{
Task.WaitAll(tasks.ToArray(), tokenSource.Token);
}
catch (OperationCanceledException) { }
}
catch
{
exitState = ExitState.ERROR;
break;
}
}
}, TaskCreationOptions.LongRunning);
mainTask.ContinueWith(Done, scheduler);
}