FairMQRegion and examples/advanced/Region

fairmq/shmem/FairMQRegionSHM.h

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+/********************************************************************************
+ *    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 FAIRMQREGIONSHM_H_
+#define FAIRMQREGIONSHM_H_
+
+#include "FairMQRegion.h"
+
+#include <boost/interprocess/shared_memory_object.hpp>
+#include <boost/interprocess/mapped_region.hpp>
+
+#include <cstddef> // size_t
+#include <atomic>
+#include <memory>
+#include <string>
+
+class FairMQRegionSHM : public FairMQRegion
+{
+    friend class FairMQSocketSHM;
+    friend class FairMQMessageSHM;
+
+  public:
+    FairMQRegionSHM(const size_t size);
+
+    virtual void* GetData() const override;
+    virtual size_t GetSize() const override;
+
+    virtual ~FairMQRegionSHM();
+
+  private:
+    FairMQRegionSHM(const uint64_t id, bool remote);
+
+    static std::atomic<bool> fInterrupted;
+    std::unique_ptr<boost::interprocess::shared_memory_object> fShmemObject;
+    std::unique_ptr<boost::interprocess::mapped_region> fRegion;
+    uint64_t fRegionId;
+    std::string fRegionIdStr;
+    bool fRemote;
+};
+
+#endif /* FAIRMQREGIONSHM_H_ */