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diff --git a/src/threadsafe_queue.h b/src/threadsafe_queue.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            threadsafe_queue.h
+ *
+ *  Tue Sep 27 14:01:01 CEST 2005
+ *  Copyright  2005 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of MIaV.
+ *
+ *  MIaV is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  MIaV is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with MIaV; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "config.h"
+#ifndef __MIAV_THREADSAFE_QUEUE_H__
+#define __MIAV_THREADSAFE_QUEUE_H__
+
+#include <pthread.h>
+#include <semaphore.h>
+
+template <typename T>
+class ThreadSafeQueue {
+public:
+  ThreadSafeQueue() {
+    pthread_mutex_init (&mutex, NULL);
+    sem_init(&semaphore, 0, 0);
+  }
+
+  virtual ~ThreadSafeQueue() {
+    pthread_mutex_destroy(&mutex);
+    sem_destroy(&semaphore);
+  }
+
+  virtual void push(T t) = 0;
+  virtual T pop() = 0;
+  virtual int size() = 0;
+
+  //protected:
+  pthread_mutex_t mutex;
+  sem_t semaphore;
+};
+
+#endif/*__MIAV_THREADSAFE_QUEUE_H__*/