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File indexing completed on 2021-11-06 04:13:57

0001 #ifndef SimG4Core_OscarMTMasterThread_H
0002 #define SimG4Core_OscarMTMasterThread_H
0003 
0004 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0005 #include "FWCore/Framework/interface/ESWatcher.h"
0006 
0007 #include "DetectorDescription/Core/interface/DDCompactView.h"
0008 #include "DetectorDescription/DDCMS/interface/DDCompactView.h"
0009 #include "Geometry/Records/interface/IdealGeometryRecord.h"
0010 
0011 #include "HepPDT/ParticleDataTable.hh"
0012 #include "SimGeneral/HepPDTRecord/interface/PDTRecord.h"
0013 
0014 #include <memory>
0015 #include <thread>
0016 #include <mutex>
0017 #include <condition_variable>
0018 
0019 namespace edm {
0020   class EventSetup;
0021   class ConsumesCollector;
0022 }  // namespace edm
0023 
0024 class RunManagerMT;
0025 
0026 class DDCompactView;
0027 class MagneticField;
0028 
0029 namespace cms {
0030   class DDCompactView;
0031 }
0032 
0033 namespace HepPDT {
0034   class ParticleDataTable;
0035 }
0036 
0037 class OscarMTMasterThread {
0038 public:
0039   explicit OscarMTMasterThread(const edm::ParameterSet& iConfig);
0040   ~OscarMTMasterThread();
0041 
0042   void beginRun(const edm::EventSetup& iSetup) const;
0043   void endRun() const;
0044   void stopThread();
0045 
0046   void callConsumes(edm::ConsumesCollector&& iC) const;
0047 
0048   inline RunManagerMT& runManagerMaster() const { return *m_runManagerMaster; }
0049   inline RunManagerMT* runManagerMasterPtr() const { return m_runManagerMaster.get(); }
0050 
0051 private:
0052   enum class ThreadState { NotExist = 0, BeginRun = 1, EndRun = 2, Destruct = 3 };
0053 
0054   const bool m_pGeoFromDD4hep;
0055 
0056   std::shared_ptr<RunManagerMT> m_runManagerMaster;
0057   std::thread m_masterThread;
0058 
0059   // ES products needed for Geant4 initialization
0060   mutable const DDCompactView* m_pDDD = nullptr;
0061   mutable const cms::DDCompactView* m_pDD4hep = nullptr;
0062   mutable const HepPDT::ParticleDataTable* m_pTable = nullptr;
0063   mutable edm::ESGetToken<DDCompactView, IdealGeometryRecord> m_DDD;
0064   mutable edm::ESGetToken<cms::DDCompactView, IdealGeometryRecord> m_DD4hep;
0065   mutable edm::ESGetToken<HepPDT::ParticleDataTable, PDTRecord> m_PDT;
0066 
0067   // status flags
0068   mutable std::mutex m_protectMutex;
0069   mutable std::mutex m_threadMutex;
0070   mutable std::condition_variable m_notifyMasterCv;
0071   mutable std::condition_variable m_notifyMainCv;
0072 
0073   mutable ThreadState m_masterThreadState;
0074 
0075   mutable bool m_hasToken = false;
0076   mutable bool m_masterCanProceed = false;
0077   mutable bool m_mainCanProceed = false;
0078   mutable bool m_firstRun = true;
0079   mutable bool m_stopped = false;
0080 };
0081 
0082 #endif