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geant4/source/run/include/G4WorkerRunManager.hh
2026-03-19 16:51:22 +01:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// G4WorkerRunManager
//
// Class description:
//
// This is a class for run control in GEANT4 for multi-threading.
// It extends G4RunManager re-implementing multi-threaded behavior in
// key methods. See documentation for G4RunManager.
// User should never initialize instances of this class, that are usually
// handled by G4MTRunManager. There exists one instance of this class for
// each worker in a MT application.
// Original authors: X.Dong, A.Dotti - 2013
// --------------------------------------------------------------------
#ifndef G4WORKERRUNMANAGER_HH
#define G4WORKERRUNMANAGER_HH
#include "G4RNGHelper.hh"
#include "G4RunManager.hh"
class G4WorkerThread;
class G4WorkerRunManagerKernel;
class G4WorkerRunManager : public G4RunManager
{
public:
static G4WorkerRunManager* GetWorkerRunManager();
static G4WorkerRunManagerKernel* GetWorkerRunManagerKernel();
G4WorkerRunManager();
~G4WorkerRunManager() override;
void InitializeGeometry() override;
void GeometryOptimisation() override;
void RunInitialization() override;
void DoEventLoop(G4int n_event, const char* macroFile = nullptr, G4int n_select = -1) override;
void ProcessOneEvent(G4int i_event) override;
G4Event* GenerateEvent(G4int i_event) override;
void RunTermination() override;
void TerminateEventLoop() override;
// This function is called by the thread function: it should
// loop until some work is requested.
virtual void DoWork();
// Sets the worker context.
inline void SetWorkerThread(G4WorkerThread* wc) { workerContext = wc; }
void SetUserInitialization(G4VUserPhysicsList* userInit) override;
void SetUserInitialization(G4VUserDetectorConstruction* userInit) override;
void SetUserInitialization(G4VUserActionInitialization* userInit) override;
void SetUserInitialization(G4UserWorkerInitialization* userInit) override;
void SetUserInitialization(G4UserWorkerThreadInitialization* userInit) override;
void SetUserAction(G4UserRunAction* userAction) override;
void SetUserAction(G4VUserPrimaryGeneratorAction* userAction) override;
void SetUserAction(G4UserEventAction* userAction) override;
void SetUserAction(G4UserStackingAction* userAction) override;
void SetUserAction(G4UserTrackingAction* userAction) override;
void SetUserAction(G4UserSteppingAction* userAction) override;
void RestoreRndmEachEvent(G4bool flag) override { readStatusFromFile = flag; }
protected:
void ConstructScoringWorlds() override;
void StoreRNGStatus(const G4String& filenamePrefix) override;
void rndmSaveThisRun() override;
void rndmSaveThisEvent() override;
// This method will merge (reduce) the results
// of this run into the global run
virtual void MergePartialResults(G4bool mergeEvents = true);
protected:
G4WorkerThread* workerContext = nullptr;
#ifdef G4MULTITHREADED
G4bool visIsSetUp = false;
#endif
G4bool eventLoopOnGoing = false;
G4bool runIsSeeded = false;
G4int nevModulo = -1;
G4int currEvID = -1;
G4int luxury = -1;
G4SeedsQueue seedsQueue;
G4bool readStatusFromFile = false;
protected:
virtual void SetupDefaultRNGEngine();
};
#endif // G4WorkerRunManager_hh