void NewNextWait()
{
var sources = Enumerable.Range(0, WorkerCount).Select(_ => new TaskCompletionSource <bool>()).ToArray();
var whenAll = Task.WhenAll(sources.Select(source => source.Task)).ContinueWith(_ => {
WorkerAllDone.TryPop(out var done);
NewNextWait();
return(PlaylistView.Next().Result);
});
WorkerWaitSources.PushRange(sources);
WorkerAllDone.Push(whenAll);
}
public async Task <string> Next()
{
Task <string> done;
while (!WorkerAllDone.TryPeek(out done))
{
await Task.Delay(10);
}
if (WorkerWaitSources.TryPop(out var source))
{
source.SetResult(true);
}
return(await done);
}
