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diff --git a/qpid/dotnet/Qpid.Common/Collections/ConsumerProducerQueue.cs b/qpid/dotnet/Qpid.Common/Collections/ConsumerProducerQueue.cs
new file mode 100644
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+++ b/qpid/dotnet/Qpid.Common/Collections/ConsumerProducerQueue.cs
@@ -0,0 +1,113 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+using System;
+using System.Collections;
+using System.Threading;
+
+
+namespace Apache.Qpid.Collections
+{
+   /// <summary>
+   /// Simple FIFO queue to support multi-threaded consumer
+   /// and producers. It supports timeouts in dequeue operations.
+   /// </summary>
+   public sealed class ConsumerProducerQueue 
+   {
+      private Queue _queue = new Queue();
+      private WaitSemaphore _semaphore = new WaitSemaphore();
+
+      /// <summary>
+      /// Put an item into the tail of the queue
+      /// </summary>
+      /// <param name="item"></param>
+      public void Enqueue(object item)
+      {
+         lock ( _queue.SyncRoot )
+         {
+            _queue.Enqueue(item);
+            _semaphore.Increment();
+         }
+      }
+
+      /// <summary>
+      /// Wait indefinitely for an item to be available
+      /// on the queue.
+      /// </summary>
+      /// <returns>The object at the head of the queue</returns>
+      public object Dequeue()
+      {
+         return Dequeue(Timeout.Infinite);
+      }
+
+      /// <summary>
+      /// Wait up to the number of milliseconds specified
+      /// for an item to be available on the queue
+      /// </summary>
+      /// <param name="timeout">Number of milliseconds to wait</param>
+      /// <returns>The object at the head of the queue, or null 
+      /// if the timeout expires</returns>
+      public object Dequeue(long timeout)
+      {
+         if ( _semaphore.Decrement(timeout) )
+         {
+            lock ( _queue.SyncRoot )
+            {
+               return _queue.Dequeue();
+            }
+         }
+         return null;
+      }
+
+      #region Simple Semaphore
+      //
+      // Simple Semaphore
+      //
+
+      class WaitSemaphore
+      {
+         private int _count;
+         private AutoResetEvent _event = new AutoResetEvent(false);
+
+         public void Increment()
+         {
+            Interlocked.Increment(ref _count);
+            _event.Set();
+         }
+
+         public bool Decrement(long timeout)
+         {
+            if ( timeout > int.MaxValue )
+               throw new ArgumentOutOfRangeException("timeout", timeout, "Must be <= Int32.MaxValue");
+
+            int millis = (int) (timeout & 0x7FFFFFFF);
+            if ( Interlocked.Decrement(ref _count) > 0 )
+            {
+               // there are messages in queue, so no need to wait
+               return true;
+            } else
+            {
+               return _event.WaitOne(millis, false);
+            }
+         }
+      }
+      #endregion // Simple Semaphore
+   }
+}