Parallel.Foreach + yield return?

Question

I want to process something using parallel loop like this :

public void FillLogs(IEnumerable computers)
{
    Parallel.ForEach(computers, cp         


        

Answer 1

How about

            Queue qu = new Queue();
            bool finished = false;
            Task.Factory.StartNew(() =>
            {
                Parallel.ForEach(get_list(), (item) =>
                {
                    string itemToReturn = heavyWorkOnItem(item);         
                    lock (qu)
                       qu.Enqueue(itemToReturn );                        
                });
                finished = true;
            });

            while (!finished)
            {
                lock (qu)
                    while (qu.Count > 0)
                        yield return qu.Dequeue();
                //maybe a thread sleep here?
            }

Edit: I think this is better:

        public static IEnumerable ParallelYieldReturn(this IEnumerable source, Func func)
        {
            ConcurrentQueue qu = new ConcurrentQueue();
            bool finished = false;
            AutoResetEvent re = new AutoResetEvent(false);
            Task.Factory.StartNew(() =>
            {
                Parallel.ForEach(source, (item) =>
                {
                    qu.Enqueue(func(item));
                    re.Set();
                });
                finished = true;
                re.Set();
            });

            while (!finished)
            {
                re.WaitOne();
                while (qu.Count > 0)
                {
                    TOutput res;
                    if (qu.TryDequeue(out res))
                        yield return res;
                }
            }
        }   

Edit2: I agree with the short No answer. This code is useless; you cannot break the yield loop.