ThreadPool WaitForThreads

WaitForThreads.cs

        /// <summary>
        /// https://www.codeproject.com/articles/8398/wait-for-threads-in-a-threadpool-object-to-complet
        /// Blocks until all worker threads have returned to the thread pool.
        /// A good timeout value is 30 seconds.
        /// </summary>
        protected void WaitForThreads()
        {
            int maxThreads = 0;
            int placeHolder = 0;
            int availThreads = 0;
            int timeOutSeconds = 30;

            //Now wait until all threads from the Threadpool have returned
            while (timeOutSeconds > 0)
            {
                //figure out what the max worker thread count it
                ThreadPool.GetMaxThreads(out maxThreads, out placeHolder);
                ThreadPool.GetAvailableThreads(out availThreads, out placeHolder);

                if (availThreads == maxThreads) break;
                // Sleep
                Thread.Sleep(TimeSpan.FromMilliseconds(1000));
                --timeOutSeconds;
            }
            // You can add logic here to log timeouts
            if (timeOutSeconds <= 0)
            {
                Globals.logger.Error("Timeout waiting for working threads to finish");
            }
        }