FairMQ/fairmq/shmem/FairMQUnmanagedRegionSHM.h
2019-10-29 20:06:31 +01:00

42 lines
1.6 KiB
C++

/********************************************************************************
* Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *
* *
* This software is distributed under the terms of the *
* GNU Lesser General Public Licence (LGPL) version 3, *
* copied verbatim in the file "LICENSE" *
********************************************************************************/
#ifndef FAIRMQUNMANAGEDREGIONSHM_H_
#define FAIRMQUNMANAGEDREGIONSHM_H_
#include <fairmq/shmem/Manager.h>
#include "FairMQUnmanagedRegion.h"
#include "FairMQLogger.h"
#include <boost/interprocess/shared_memory_object.hpp>
#include <boost/interprocess/mapped_region.hpp>
#include <cstddef> // size_t
#include <string>
class FairMQUnmanagedRegionSHM final : public FairMQUnmanagedRegion
{
friend class FairMQSocketSHM;
friend class FairMQMessageSHM;
public:
FairMQUnmanagedRegionSHM(fair::mq::shmem::Manager& manager, const size_t size, FairMQRegionCallback callback = nullptr, const std::string& path = "", int flags = 0);
void* GetData() const override { return fRegion->get_address(); }
size_t GetSize() const override { return fRegion->get_size(); }
~FairMQUnmanagedRegionSHM() override { fManager.RemoveRegion(fRegionId); }
private:
fair::mq::shmem::Manager& fManager;
boost::interprocess::mapped_region* fRegion;
uint64_t fRegionId;
};
#endif /* FAIRMQUNMANAGEDREGIONSHM_H_ */