Geant4 Cross Reference

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Geant4/particles/management/src/G4PDefManager.cc

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Diff markup

Differences between /particles/management/src/G4PDefManager.cc (Version 11.3.0) and /particles/management/src/G4PDefManager.cc (Version 9.4.p2)


  1 //                                                  1 
  2 // *******************************************    
  3 // * License and Disclaimer                       
  4 // *                                              
  5 // * The  Geant4 software  is  copyright of th    
  6 // * the Geant4 Collaboration.  It is provided    
  7 // * conditions of the Geant4 Software License    
  8 // * LICENSE and available at  http://cern.ch/    
  9 // * include a list of copyright holders.         
 10 // *                                              
 11 // * Neither the authors of this software syst    
 12 // * institutes,nor the agencies providing fin    
 13 // * work  make  any representation or  warran    
 14 // * regarding  this  software system or assum    
 15 // * use.  Please see the license in the file     
 16 // * for the full disclaimer and the limitatio    
 17 // *                                              
 18 // * This  code  implementation is the result     
 19 // * technical work of the GEANT4 collaboratio    
 20 // * By using,  copying,  modifying or  distri    
 21 // * any work based  on the software)  you  ag    
 22 // * use  in  resulting  scientific  publicati    
 23 // * acceptance of all terms of the Geant4 Sof    
 24 // *******************************************    
 25 //                                                
 26 // G4PDefManager class implementation             
 27 //                                                
 28 // Author: Xin Dong, 25.01.2009 - First implem    
 29 //                                from automat    
 30 // -------------------------------------------    
 31                                                   
 32 #include "G4PDefManager.hh"                       
 33                                                   
 34 #include "G4AutoLock.hh"                          
 35 #include "globals.hh"                             
 36                                                   
 37 #include "pwdefs.hh"                              
 38                                                   
 39 #include <cstdlib>                                
 40                                                   
 41 void G4PDefData::initialize()                     
 42 {                                                 
 43   theProcessManager = nullptr;                    
 44   theTrackingManager = nullptr;                   
 45 }                                                 
 46                                                   
 47 G4int& G4PDefManager::slavetotalspace()           
 48 {                                                 
 49   G4ThreadLocalStatic G4int _instance = 0;        
 50   return _instance;                               
 51 }                                                 
 52                                                   
 53 G4PDefData*& G4PDefManager::offset()              
 54 {                                                 
 55   G4ThreadLocalStatic G4PDefData* _instance =     
 56   return _instance;                               
 57 }                                                 
 58                                                   
 59 G4PDefManager::G4PDefManager()                    
 60 {                                                 
 61   G4MUTEXINIT(mutex);                             
 62 }                                                 
 63                                                   
 64 G4int G4PDefManager::CreateSubInstance()          
 65 // Invoked by the master or work thread to cre    
 66 // whenever a new split class instance is crea    
 67 // thread, ions are created dynamically.          
 68 {                                                 
 69   G4AutoLock l(&mutex);                           
 70   ++totalobj;                                     
 71   if (totalobj > slavetotalspace()) {             
 72     l.unlock();                                   
 73     NewSubInstances();                            
 74     l.lock();                                     
 75   }                                               
 76   return (totalobj - 1);                          
 77 }                                                 
 78                                                   
 79 void G4PDefManager::NewSubInstances()             
 80 // Invoked by each worker thread to grow the s    
 81 // initialize each new subinstance using a par    
 82 // by the subclass.                               
 83 {                                                 
 84   G4AutoLock l(&mutex);                           
 85   if (slavetotalspace() >= totalobj) {            
 86     return;                                       
 87   }                                               
 88   G4int originaltotalspace = slavetotalspace()    
 89   slavetotalspace() = totalobj + 512;             
 90   offset() = (G4PDefData*)realloc(offset(), sl    
 91   if (offset() == nullptr) {                      
 92     G4Exception("G4PDefManager::NewSubInstance    
 93                 "Cannot malloc space!");          
 94   }                                               
 95                                                   
 96   for (G4int i = originaltotalspace; i < slave    
 97     offset()[i].initialize();                     
 98   }                                               
 99 }                                                 
100                                                   
101 // Invoked by all threads to free the subinsta    
102 void G4PDefManager::FreeSlave()                   
103 {                                                 
104   if (offset() == nullptr) {                      
105     return;                                       
106   }                                               
107   free(offset());                                 
108   offset() = nullptr;                             
109 }                                                 
110                                                   
111 G4PDefData* G4PDefManager::GetOffset()            
112 {                                                 
113   return offset();                                
114 }                                                 
115                                                   
116 // Use recycled work area, which was created p    
117 void G4PDefManager::UseWorkArea(G4PDefData* ne    
118 {                                                 
119   if ((offset() != nullptr) && (offset() != ne    
120     G4Exception("G4PDefManager::UseWorkspace()    
121                 "Thread already has workspace     
122   }                                               
123   offset() = newOffset;                           
124 }                                                 
125                                                   
126 // Detach this thread from this Location          
127 // The object which calls this method is respo    
128 G4PDefData* G4PDefManager::FreeWorkArea()         
129 {                                                 
130   G4PDefData* offsetRet = offset();               
131   offset() = nullptr;                             
132   return offsetRet;                               
133 }                                                 
134