Import Geant4 10.3.0.beta source tree

2016-06-30 14:12:05 +02:00
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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.          *
+// ********************************************************************
+//
+//
+// Class description:
+//
+//    This class implements the master model run manager for TBB bases
+//    application.
+//    It is instantiated by user main (or equivalent function) instead
+//    of G4[MT]RunManager. It controls the creation of tbb::tasks.
+//    See G4MTRunManager for documentation of methods relative to base
+//    class. Only class specific methods are documented here.
+//
+// Equivalent in traditional MT:
+//    G4MTRunManager
+//
+// History:
+//    Nov 4th, 2013 A. Dotti - First Implementation
+
+#ifndef SIMPLETBBMASTERRUNMANAGER_HH
+#define SIMPLETBBMASTERRUNMANAGER_HH
+
+#include "G4MTRunManager.hh"
+#include <tbb/task.h>
+
+class SimpleTbbMasterRunManager : public G4MTRunManager {
+public:
+    SimpleTbbMasterRunManager(); // G4RunManagerKernel* existingRMK=0);
+    // Default constructor, 
+    //  tasklist is the tbb::task_list to which the created tasks will be added.
+    //  nEvents is the number of events for which each tbb::task is responsible
+    //
+    virtual ~SimpleTbbMasterRunManager();
+    virtual void RunTermination();
+    void SetTaskList( tbb::task_list* tl ) { theTasks = tl; }
+    //Set a reference to the output task list where new tasks will
+    //be added to
+    void SetNumberEventsPerTask( G4int nt ) { nEvtsPerTask = nt; }
+    //Specify number of events that each simulation task is responsible
+    //for
+protected:
+    virtual void CreateAndStartWorkers();
+    virtual void TerminateWorkers();
+    virtual void CreateTask(G4int id,G4int evts);
+    //Creates a concrete tbb::task with index id
+    //responsible for evts events
+protected:
+    //Barriers mechanism for TBB is non existing
+    virtual void WaitForReadyWorkers() {}
+    virtual void WaitForEndEventLoopWorkers() {}
+    virtual void ThisWorkerReady() {}
+    virtual void ThisWorkerEndEventLoop() {}
+    virtual WorkerActionRequest ThisWorkerWaitForNextAction()
+      { return WorkerActionRequest::UNDEFINED; }
+    virtual void NewActionRequest( WorkerActionRequest /*newRequest*/ ) {}
+private:
+    tbb::task_list* theTasks;
+    G4int nEvtsPerTask;
+};
+
+#endif //TBBMASTERRUNMANAGER_HH