Gabriele Cosmo
86 lines
4.0 KiB
C++
86 lines
4.0 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// G4UserWorkerThreadInitialization
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//
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// Class description:
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//
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// This class is used for multi-threading.
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// It encapsulates the mechanism of starting/stopping threads.
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// Author: M.Asai, A.Dotti (SLAC), 16 September 2013
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// --------------------------------------------------------------------
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#ifndef G4UserWorkerThreadInitialization_hh
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#define G4UserWorkerThreadInitialization_hh 1
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//class G4VUserPrimaryGeneratorAction;
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//class G4UserRunAction;
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//class G4UserEventAction;
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//class G4UserStackingAction;
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//class G4UserTrackingAction;
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//class G4UserSteppingAction;
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class G4WorkerThread;
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class G4WorkerRunManager;
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#include "G4Threading.hh"
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#include "Randomize.hh"
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class G4UserWorkerThreadInitialization
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{
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public:
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G4UserWorkerThreadInitialization() = default;
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virtual ~G4UserWorkerThreadInitialization() = default;
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// Called by the kernel to create a new thread/worker and start work.
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// User should not re-implement this function (in derived class), except
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// only if he/she wants to rewrite the default threading model (see
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// StartThread() function).
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virtual G4Thread* CreateAndStartWorker(G4WorkerThread* workerThreadContext);
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// Called by worker threads to set the Random Number Generator Engine.
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// The default implementation "clones" the engine from the master thread
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// User needs to re-implement this method if using a non-standard
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// RNG Engine (i.e. a different one w.r.t. the one provided in the CLHEP
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// version supported by Geant4).
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// Important: this method is called by all threads at the same time;
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// it is user responsibilitiy to make it thread-safe.
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virtual void SetupRNGEngine(const CLHEP::HepRandomEngine* aRNGEngine) const;
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// Called by the kernel when threads need to be terminated. Implements
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// logic of joining the "aThread". Calling thread will wait for "aThread"
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// to end. Users should not re-implement this function (in derived class),
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// except only if he/she wants to rewrite the default threading model (see
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// StartThread() function).
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virtual void JoinWorker(G4Thread* aThread);
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// Called by StartThread() function to create a run-manager implementing
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// worker behvior. User should re-implement this function in a derived
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// class to instantiate his/her user-defined WorkerRunManager.
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// By default this method instantiates a G4WorkerRunManager object.
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virtual G4WorkerRunManager* CreateWorkerRunManager() const;
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};
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#endif
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