1 files changed, 93 insertions, 0 deletions
diff --git a/sca-cpp/tags/native-sca-1.0.incubating-M3/runtime/core/src/tuscany/sca/util/Queue.h b/sca-cpp/tags/native-sca-1.0.incubating-M3/runtime/core/src/tuscany/sca/util/Queue.h
new file mode 100644
index 0000000000..e2ff104631
--- /dev/null
+++ b/sca-cpp/tags/native-sca-1.0.incubating-M3/runtime/core/src/tuscany/sca/util/Queue.h
@@ -0,0 +1,93 @@
+/*
+ * 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.
+ */
+
+/* $Rev: 492011 $ $Date: 2007-01-02 18:15:11 -0800 (Tue, 02 Jan 2007) $ */
+
+#ifndef tuscany_sca_util_queue_h
+#define tuscany_sca_util_queue_h
+
+#if defined(WIN32)  || defined (_WINDOWS)
+#include <windows.h> 
+#else
+#include <pthread.h>
+#endif
+
+#include <queue>
+
+#include "tuscany/sca/export.h"
+
+
+namespace tuscany
+{
+    namespace sca
+    {
+        namespace util
+        {
+            /**
+             * A thread safe FIFO queue. 
+             */
+            class SCA_API Queue
+            {
+            public:
+                /** 
+                 * Constructor.
+                 */
+                Queue();
+    
+                /**
+                 * Destructor.
+                 */ 
+                virtual ~Queue();
+
+                /**
+                 * Dequeue an element
+                 */
+                void* dequeue();
+                
+                /**
+                 * Enqueue an element
+                 */    
+                void enqueue(void* element);
+                
+            private:
+            
+                /**
+                 * The STL queue used to hold elements.
+                 */
+                std::queue<void*> queue;
+    
+                /**
+                 * Handles to the mutex and condition variable
+                 * used to synchronize access to the queue.
+                 */ 
+#if defined(WIN32)  || defined (_WINDOWS)
+                CRITICAL_SECTION section;
+                HANDLE hevent;
+#else
+                pthread_mutex_t mutex;
+                pthread_cond_t cond;
+#endif
+    
+            };
+                
+        } // End namespace util
+    } // End namespace sca
+} // End namespace tuscany
+
+#endif // tuscany_sca_util_queue_h