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 // Author: Mathieu Karamitros (kara (AT) cenbg . in2p3 . fr) 28 // 29 // History: 30 // ----------- 31 // 10 Oct 2011 M.Karamitros created 32 // 33 // ------------------------------------------------------------------- 34 35 #include "G4ITType.hh" 36 #include "G4AutoLock.hh" 37 38 /*G4ThreadLocal*/ G4ITTypeManager* G4ITTypeManager::fgInstance = nullptr; 39 G4ThreadLocal G4ITTypeManager* G4ITTypeManager::fgInstance_local = nullptr; 40 41 G4Mutex deleteMutex=G4MUTEX_INITIALIZER; 42 G4Mutex ressourceMutex=G4MUTEX_INITIALIZER; 43 44 // static method 45 size_t G4ITType::size() 46 { 47 return G4ITTypeManager::Instance()->size(); 48 } 49 50 G4ITType& G4ITType::operator=(const G4ITType & rhs) 51 { 52 if (this == &rhs) return *this; 53 fValue = rhs.fValue; 54 return *this; 55 } 56 57 G4ITTypeManager* G4ITTypeManager::Instance() 58 { 59 if(fgInstance == nullptr) 60 { 61 fgInstance = new G4ITTypeManager(); 62 } 63 return fgInstance; 64 } 65 66 void G4ITTypeManager::DeleteInstance() 67 { 68 G4AutoLock lock(&deleteMutex); 69 if(fgInstance != nullptr) 70 { 71 delete fgInstance ; 72 fgInstance = nullptr; 73 } 74 } 75 76 void G4ITTypeManager::ReserveRessource() 77 { 78 G4AutoLock lock(&ressourceMutex); 79 fRessource++; 80 } 81 82 void G4ITTypeManager::ReleaseRessource() 83 { 84 G4AutoLock lock(&ressourceMutex); 85 fRessource--; 86 87 if(fRessource <= 0) DeleteInstance(); 88 } 89 90 G4ITTypeManager::G4ITTypeManager() 91 { 92 fLastType = 0; 93 fRessource = 0; 94 } 95 96 G4ITTypeManager::~G4ITTypeManager() 97 = default; 98 99 size_t G4ITTypeManager::size() const 100 { 101 return fLastType; 102 } 103 104 G4ITType G4ITTypeManager::NewType() 105 { 106 G4ITType newType = fLastType; 107 fLastType++; 108 return newType; 109 } 110