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diff --git a/src/communication/ompManager.h b/src/communication/ompManager.h
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+/*  This file is part of the OpenLB library
+ *
+ *  Copyright (C) 2007 Mathias Krause
+ *  E-mail contact: info@openlb.net
+ *  The most recent release of OpenLB can be downloaded at
+ *  <http://www.openlb.net/>
+ *
+ *  This program 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.
+ *
+ *  This program 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 this program; if not, write to the Free
+ *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA  02110-1301, USA.
+*/
+
+#ifndef OMP_MANAGER_H
+#define OMP_MANAGER_H
+
+#ifdef PARALLEL_MODE_OMP
+
+class ompManager {
+
+  // This must be "public" since gcc "threadprived"
+  // requires that the class ompManager is of pod-type,
+  // hence "privat" is not allowed. That is a bug in gcc.
+public:
+  int size;
+  int rank;
+public:
+  void init();
+  int get_size() const;
+  int get_rank() const;
+  void set_dynamic(int dynamicThreads);
+};
+
+extern ompManager omp;
+#pragma omp threadprivate (omp)
+
+#endif
+
+#endif