| Geant4 Cross Reference |
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26
27 #include "G4UserTaskThreadInitialization.hh"
28
29 #include "G4AutoLock.hh"
30 #include "G4TaskRunManagerKernel.hh"
31 #include "G4UImanager.hh"
32 #include "G4VUserActionInitialization.hh"
33 #include "G4VUserPhysicsList.hh"
34 #include "G4WorkerRunManager.hh"
35 #include "G4WorkerTaskRunManager.hh"
36 #include "G4WorkerThread.hh"
37 #include "globals.hh"
38
39 #include <sstream>
40
41 //============================================================================//
42
43 namespace
44 {
45 G4Mutex rngCreateMutex;
46 }
47
48 //============================================================================//
49
50 G4Thread* G4UserTaskThreadInitialization::CreateAndStartWorker(G4WorkerThread*)
51 {
52 // Note: this method is called by G4MTRunManager, here we are still sequential
53 // Create a new thread/worker structure
54 return nullptr;
55 }
56
57 //============================================================================//
58
59 // Avoid compilation warning in sequential
60 void G4UserTaskThreadInitialization::JoinWorker(G4Thread* aThread)
61 {
62 if (aThread != nullptr) {
63 G4THREADJOIN(*aThread);
64 }
65 }
66
67 //============================================================================//
68
69 void G4UserTaskThreadInitialization::SetupRNGEngine(const CLHEP::HepRandomEngine* aNewRNG) const
70 {
71 G4AutoLock l(&rngCreateMutex);
72 // No default available, let's create the instance of random stuff
73 // A Call to this just forces the creation to defaults
74 G4Random::getTheEngine();
75 // Poor man's solution to check which RNG Engine is used in master thread
76 CLHEP::HepRandomEngine* retRNG = nullptr;
77
78 // Need to make these calls thread safe
79 if (dynamic_cast<const CLHEP::HepJamesRandom*>(aNewRNG) != nullptr)
80 retRNG = new CLHEP::HepJamesRandom;
81 else if (dynamic_cast<const CLHEP::MixMaxRng*>(aNewRNG) != nullptr)
82 retRNG = new CLHEP::MixMaxRng;
83 else if (dynamic_cast<const CLHEP::RanecuEngine*>(aNewRNG) != nullptr)
84 retRNG = new CLHEP::RanecuEngine;
85 else if (dynamic_cast<const CLHEP::Ranlux64Engine*>(aNewRNG) != nullptr)
86 retRNG = new CLHEP::Ranlux64Engine;
87 else if (dynamic_cast<const CLHEP::RanluxppEngine*>(aNewRNG) != nullptr)
88 retRNG = new CLHEP::RanluxppEngine;
89 else if (dynamic_cast<const CLHEP::MTwistEngine*>(aNewRNG) != nullptr)
90 retRNG = new CLHEP::MTwistEngine;
91 else if (dynamic_cast<const CLHEP::DualRand*>(aNewRNG) != nullptr)
92 retRNG = new CLHEP::DualRand;
93 else if (dynamic_cast<const CLHEP::RanluxEngine*>(aNewRNG) != nullptr)
94 retRNG = new CLHEP::RanluxEngine;
95 else if (dynamic_cast<const CLHEP::RanshiEngine*>(aNewRNG) != nullptr)
96 retRNG = new CLHEP::RanshiEngine;
97
98 if (retRNG != nullptr)
99 G4Random::setTheEngine(retRNG);
100 else {
101 // Does a new method, such as aNewRng->newEngine() exist to clone it ?
102 G4ExceptionDescription msg;
103 msg << " Unknown type of RNG Engine - " << G4endl
104 << " Can cope only with HepJamesRandom, MixMaxRng, Ranecu, Ranlux64,"
105 << " Ranlux++, MTwistEngine, DualRand, Ranlux or Ranshi." << G4endl
106 << " Cannot clone this type of RNG engine, as required for this thread" << G4endl
107 << " Aborting... " << G4endl;
108 G4Exception("G4UserTaskInitializition::SetupRNGEngine()", "Run0122", FatalException, msg);
109 }
110 }
111
112 //============================================================================//
113
114 G4WorkerRunManager* G4UserTaskThreadInitialization::CreateWorkerRunManager() const
115 {
116 return new G4WorkerTaskRunManager();
117 }
118
119 //============================================================================//
120