AsyncProcessor.WaitUntilFinished C# (CSharp) Method

    IEnumerator WaitUntilFinished(CoroutineInfo workerData)
    {
        while (!workerData.IsFinished)
        {
            yield return null;
        }
    }

        public void TestMultipleAsyncProcessors()
        {
            const int      count          = 300000;
            AsyncProcessor lockProcessor1 = new AsyncProcessor(false);
            AsyncProcessor lockProcessor2 = new AsyncProcessor(false);
            AsyncProcessor lockProcessor3 = new AsyncProcessor(false);
            AsyncProcessor lockProcessor4 = new AsyncProcessor(false);
            ArrayList      lockJobs       = new ArrayList(count);

            for (int i = 0; i < count; ++i)
            {
                lockJobs.Add(new LockJob());
            }

            for (int i = 0; i < count; ++i)
            {
                lockProcessor1.QueueJob((AbstractJob)lockJobs[i]);
                lockProcessor2.QueueJob((AbstractJob)lockJobs[i]);
                lockProcessor3.QueueJob((AbstractJob)lockJobs[i]);
                lockProcessor4.QueueJob((AbstractJob)lockJobs[i]);
            }
            lockProcessor1.QueueEndOfWork();
            lockProcessor2.QueueEndOfWork();
            lockProcessor3.QueueEndOfWork();
            lockProcessor4.QueueEndOfWork();
            lockProcessor1.StartThread();
            lockProcessor2.StartThread();
            lockProcessor3.StartThread();
            lockProcessor4.StartThread();
            lockProcessor1.WaitUntilFinished();
            lockProcessor2.WaitUntilFinished();
            lockProcessor3.WaitUntilFinished();
            lockProcessor4.WaitUntilFinished();
        }