FairMQ: shared memory unmanaged region updates:

- use same mapping for sender/receiver (created/remote) region.
 - rename FairMQRegion -> FairMQUnmanagedRegion.

fairmq/nanomsg/FairMQUnmanagedRegionNN.h

@@ -0,0 +1,35 @@
+/********************************************************************************
+ *    Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH    *
+ *                                                                              *
+ *              This software is distributed under the terms of the             *
+ *         GNU Lesser General Public Licence version 3 (LGPL) version 3,        *
+ *                  copied verbatim in the file "LICENSE"                       *
+ ********************************************************************************/
+
+#ifndef FAIRMQUNMANAGEDREGIONNN_H_
+#define FAIRMQUNMANAGEDREGIONNN_H_
+
+#include "FairMQUnmanagedRegion.h"
+
+#include <cstddef> // size_t
+
+class FairMQUnmanagedRegionNN : public FairMQUnmanagedRegion
+{
+    friend class FairMQSocketNN;
+
+  public:
+    FairMQUnmanagedRegionNN(const size_t size);
+    FairMQUnmanagedRegionNN(const FairMQUnmanagedRegionNN&) = delete;
+    FairMQUnmanagedRegionNN operator=(const FairMQUnmanagedRegionNN&) = delete;
+
+    virtual void* GetData() const override;
+    virtual size_t GetSize() const override;
+
+    virtual ~FairMQUnmanagedRegionNN();
+
+  private:
+    void* fBuffer;
+    size_t fSize;
+};
+
+#endif /* FAIRMQUNMANAGEDREGIONNN_H_ */