mirror of
https://github.com/FairRootGroup/FairMQ.git
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69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
/********************************************************************************
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* Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *
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* *
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* This software is distributed under the terms of the *
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* GNU Lesser General Public Licence (LGPL) version 3, *
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* copied verbatim in the file "LICENSE" *
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********************************************************************************/
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#ifndef FAIR_MQ_SHMEM_UNMANAGEDREGION_H_
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#define FAIR_MQ_SHMEM_UNMANAGEDREGION_H_
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#include "Manager.h"
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#include <FairMQUnmanagedRegion.h>
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#include <FairMQLogger.h>
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#include <boost/interprocess/shared_memory_object.hpp>
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#include <boost/interprocess/mapped_region.hpp>
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#include <cstddef> // size_t
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#include <string>
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namespace fair
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{
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namespace mq
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{
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namespace shmem
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{
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class Message;
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class Socket;
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class UnmanagedRegion final : public fair::mq::UnmanagedRegion
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{
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friend class Message;
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friend class Socket;
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public:
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UnmanagedRegion(Manager& manager, const size_t size, RegionCallback callback, const std::string& path = "", int flags = 0)
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: UnmanagedRegion(manager, size, 0, callback, path, flags)
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{}
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UnmanagedRegion(Manager& manager, const size_t size, const int64_t userFlags, RegionCallback callback, const std::string& path = "", int flags = 0)
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: fManager(manager)
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, fRegion(nullptr)
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, fRegionId(0)
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{
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auto result = fManager.CreateRegion(size, userFlags, callback, path, flags);
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fRegion = result.first;
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fRegionId = result.second;
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}
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void* GetData() const override { return fRegion->get_address(); }
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size_t GetSize() const override { return fRegion->get_size(); }
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~UnmanagedRegion() override { fManager.RemoveRegion(fRegionId); }
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private:
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Manager& fManager;
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boost::interprocess::mapped_region* fRegion;
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uint64_t fRegionId;
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};
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}
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}
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}
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#endif /* FAIR_MQ_SHMEM_UNMANAGEDREGION_H_ */
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