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Shmem region: support huge pages via path to hugetlbfs mount

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This commit is contained in:
Alexey Rybalchenko
2019-07-03 14:54:54 +02:00
committed by Dennis Klein
parent a8c76accdc
commit 0e35f1cb22
29 changed files with 466 additions and 537 deletions
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22
fairmq/shmem/Manager.h
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@@ -24,6 +24,7 @@
#include <boost/interprocess/managed_shared_memory.hpp>
#include <boost/interprocess/ipc/message_queue.hpp>
#include <boost/interprocess/sync/named_mutex.hpp>
#include <string>
#include <unordered_map>
@@ -40,32 +41,41 @@ class Manager
friend struct Region;
public:
Manager(const std::string& name, size_t size);
Manager(const std::string& id, size_t size);
Manager() = delete;
Manager(const Manager&) = delete;
Manager operator=(const Manager&) = delete;
~Manager();
boost::interprocess::managed_shared_memory& Segment();
boost::interprocess::managed_shared_memory& ManagementSegment();
void StartMonitor();
static void Interrupt();
static void Resume();
boost::interprocess::mapped_region* CreateRegion(const size_t size, const uint64_t id, FairMQRegionCallback callback);
int GetDeviceCounter();
int IncrementDeviceCounter();
int DecrementDeviceCounter();
boost::interprocess::mapped_region* CreateRegion(const size_t size, const uint64_t id, FairMQRegionCallback callback, const std::string& path = "", int flags = 0);
Region* GetRemoteRegion(const uint64_t id);
void RemoveRegion(const uint64_t id);
void RemoveSegment();
boost::interprocess::managed_shared_memory& ManagementSegment();
void RemoveSegments();
private:
std::string fSessionName;
std::string fShmId;
std::string fSegmentName;
std::string fManagementSegmentName;
boost::interprocess::managed_shared_memory fSegment;
boost::interprocess::managed_shared_memory fManagementSegment;
boost::interprocess::named_mutex fShmMtx;
fair::mq::shmem::DeviceCounter* fDeviceCounter;
static std::unordered_map<uint64_t, std::unique_ptr<Region>> fRegions;
};