Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/global/management/include/G4Threading.hh

Version: [ ReleaseNotes ] [ 1.0 ] [ 1.1 ] [ 2.0 ] [ 3.0 ] [ 3.1 ] [ 3.2 ] [ 4.0 ] [ 4.0.p1 ] [ 4.0.p2 ] [ 4.1 ] [ 4.1.p1 ] [ 5.0 ] [ 5.0.p1 ] [ 5.1 ] [ 5.1.p1 ] [ 5.2 ] [ 5.2.p1 ] [ 5.2.p2 ] [ 6.0 ] [ 6.0.p1 ] [ 6.1 ] [ 6.2 ] [ 6.2.p1 ] [ 6.2.p2 ] [ 7.0 ] [ 7.0.p1 ] [ 7.1 ] [ 7.1.p1 ] [ 8.0 ] [ 8.0.p1 ] [ 8.1 ] [ 8.1.p1 ] [ 8.1.p2 ] [ 8.2 ] [ 8.2.p1 ] [ 8.3 ] [ 8.3.p1 ] [ 8.3.p2 ] [ 9.0 ] [ 9.0.p1 ] [ 9.0.p2 ] [ 9.1 ] [ 9.1.p1 ] [ 9.1.p2 ] [ 9.1.p3 ] [ 9.2 ] [ 9.2.p1 ] [ 9.2.p2 ] [ 9.2.p3 ] [ 9.2.p4 ] [ 9.3 ] [ 9.3.p1 ] [ 9.3.p2 ] [ 9.4 ] [ 9.4.p1 ] [ 9.4.p2 ] [ 9.4.p3 ] [ 9.4.p4 ] [ 9.5 ] [ 9.5.p1 ] [ 9.5.p2 ] [ 9.6 ] [ 9.6.p1 ] [ 9.6.p2 ] [ 9.6.p3 ] [ 9.6.p4 ] [ 10.0 ] [ 10.0.p1 ] [ 10.0.p2 ] [ 10.0.p3 ] [ 10.0.p4 ] [ 10.1 ] [ 10.1.p1 ] [ 10.1.p2 ] [ 10.1.p3 ] [ 10.2 ] [ 10.2.p1 ] [ 10.2.p2 ] [ 10.2.p3 ] [ 10.3 ] [ 10.3.p1 ] [ 10.3.p2 ] [ 10.3.p3 ] [ 10.4 ] [ 10.4.p1 ] [ 10.4.p2 ] [ 10.4.p3 ] [ 10.5 ] [ 10.5.p1 ] [ 10.6 ] [ 10.6.p1 ] [ 10.6.p2 ] [ 10.6.p3 ] [ 10.7 ] [ 10.7.p1 ] [ 10.7.p2 ] [ 10.7.p3 ] [ 10.7.p4 ] [ 11.0 ] [ 11.0.p1 ] [ 11.0.p2 ] [ 11.0.p3, ] [ 11.0.p4 ] [ 11.1 ] [ 11.1.1 ] [ 11.1.2 ] [ 11.1.3 ] [ 11.2 ] [ 11.2.1 ] [ 11.2.2 ] [ 11.3.0 ]

Diff markup

Differences between /global/management/include/G4Threading.hh (Version 11.3.0) and /global/management/include/G4Threading.hh (Version 11.2.2)


  1 //                                                  1 //
  2 // *******************************************      2 // ********************************************************************
  3 // * License and Disclaimer                         3 // * License and Disclaimer                                           *
  4 // *                                                4 // *                                                                  *
  5 // * The  Geant4 software  is  copyright of th      5 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
  6 // * the Geant4 Collaboration.  It is provided      6 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
  7 // * conditions of the Geant4 Software License      7 // * conditions of the Geant4 Software License,  included in the file *
  8 // * LICENSE and available at  http://cern.ch/      8 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
  9 // * include a list of copyright holders.           9 // * include a list of copyright holders.                             *
 10 // *                                               10 // *                                                                  *
 11 // * Neither the authors of this software syst     11 // * Neither the authors of this software system, nor their employing *
 12 // * institutes,nor the agencies providing fin     12 // * institutes,nor the agencies providing financial support for this *
 13 // * work  make  any representation or  warran     13 // * work  make  any representation or  warranty, express or implied, *
 14 // * regarding  this  software system or assum     14 // * regarding  this  software system or assume any liability for its *
 15 // * use.  Please see the license in the file      15 // * use.  Please see the license in the file  LICENSE  and URL above *
 16 // * for the full disclaimer and the limitatio     16 // * for the full disclaimer and the limitation of liability.         *
 17 // *                                               17 // *                                                                  *
 18 // * This  code  implementation is the result      18 // * This  code  implementation is the result of  the  scientific and *
 19 // * technical work of the GEANT4 collaboratio     19 // * technical work of the GEANT4 collaboration.                      *
 20 // * By using,  copying,  modifying or  distri     20 // * By using,  copying,  modifying or  distributing the software (or *
 21 // * any work based  on the software)  you  ag     21 // * any work based  on the software)  you  agree  to acknowledge its *
 22 // * use  in  resulting  scientific  publicati     22 // * use  in  resulting  scientific  publications,  and indicate your *
 23 // * acceptance of all terms of the Geant4 Sof     23 // * acceptance of all terms of the Geant4 Software license.          *
 24 // *******************************************     24 // ********************************************************************
 25 //                                                 25 //
 26 // G4Threading                                     26 // G4Threading
 27 //                                                 27 //
 28 // Description:                                    28 // Description:
 29 //                                                 29 //
 30 // This unit defines types and macros used to      30 // This unit defines types and macros used to expose Geant4 threading model.
 31                                                    31 
 32 // Author: Andrea Dotti, 15 February 2013 - Fi     32 // Author: Andrea Dotti, 15 February 2013 - First Implementation
 33 // Revision: Jonathan R. Madsen, 21 February 2     33 // Revision: Jonathan R. Madsen, 21 February 2018
 34 // -------------------------------------------     34 // --------------------------------------------------------------------
 35 #ifndef G4Threading_hh                             35 #ifndef G4Threading_hh
 36 #define G4Threading_hh 1                           36 #define G4Threading_hh 1
 37                                                    37 
 38 #include "G4Types.hh"                              38 #include "G4Types.hh"
 39 #include "globals.hh"                              39 #include "globals.hh"
 40                                                    40 
 41 #include <chrono>                                  41 #include <chrono>
 42 #include <condition_variable>                      42 #include <condition_variable>
 43 #include <future>                                  43 #include <future>
 44 #include <mutex>                                   44 #include <mutex>
 45 #include <thread>                                  45 #include <thread>
 46 #include <vector>                                  46 #include <vector>
 47                                                    47 
 48 // Macro to put current thread to sleep            48 // Macro to put current thread to sleep
 49 //                                                 49 //
 50 #define G4THREADSLEEP(tick)                        50 #define G4THREADSLEEP(tick)                                                    \
 51   std::this_thread::sleep_for(std::chrono::sec     51   std::this_thread::sleep_for(std::chrono::seconds(tick))
 52                                                    52 
 53 // Will be used in the future when migrating t     53 // Will be used in the future when migrating threading to task-based style
 54 template <typename _Tp>                            54 template <typename _Tp>
 55 using G4Future = std::future<_Tp>;                 55 using G4Future = std::future<_Tp>;
 56 template <typename _Tp>                            56 template <typename _Tp>
 57 using G4SharedFuture = std::shared_future<_Tp>     57 using G4SharedFuture = std::shared_future<_Tp>;
 58 template <typename _Tp>                            58 template <typename _Tp>
 59 using G4Promise = std::promise<_Tp>;               59 using G4Promise = std::promise<_Tp>;
 60                                                    60 
 61 //          NOTE ON GEANT4 SERIAL BUILDS AND M     61 //          NOTE ON GEANT4 SERIAL BUILDS AND MUTEX/UNIQUE_LOCK
 62 //          ==================================     62 //          ==================================================
 63 //                                                 63 //
 64 // G4Mutex and G4RecursiveMutex are always C++     64 // G4Mutex and G4RecursiveMutex are always C++11 std::mutex types
 65 // however, in serial mode, using G4MUTEXLOCK      65 // however, in serial mode, using G4MUTEXLOCK and G4MUTEXUNLOCK on these
 66 // types has no effect -- i.e. the mutexes are     66 // types has no effect -- i.e. the mutexes are not actually locked or unlocked
 67 //                                                 67 //
 68 // Additionally, when a G4Mutex or G4Recursive     68 // Additionally, when a G4Mutex or G4RecursiveMutex is used with G4AutoLock
 69 // and G4RecursiveAutoLock, respectively, thes     69 // and G4RecursiveAutoLock, respectively, these classes also suppressing
 70 // the locking and unlocking of the mutex. Reg     70 // the locking and unlocking of the mutex. Regardless of the build type,
 71 // G4AutoLock and G4RecursiveAutoLock inherit      71 // G4AutoLock and G4RecursiveAutoLock inherit from std::unique_lock<std::mutex>
 72 // and std::unique_lock<std::recursive_mutex>,     72 // and std::unique_lock<std::recursive_mutex>, respectively. This means
 73 // that in situations (such as is needed by th     73 // that in situations (such as is needed by the analysis category), the
 74 // G4AutoLock and G4RecursiveAutoLock can be p     74 // G4AutoLock and G4RecursiveAutoLock can be passed to functions requesting
 75 // a std::unique_lock. Within these functions,     75 // a std::unique_lock. Within these functions, since std::unique_lock
 76 // member functions are not virtual, they will     76 // member functions are not virtual, they will not retain the dummy locking
 77 // and unlocking behavior                          77 // and unlocking behavior
 78 // --> An example of this behavior can be foun     78 // --> An example of this behavior can be found in G4AutoLock.hh
 79                                                    79 
 80 // Global mutex types                              80 // Global mutex types
 81 using G4Mutex          = std::mutex;               81 using G4Mutex          = std::mutex;
 82 using G4RecursiveMutex = std::recursive_mutex;     82 using G4RecursiveMutex = std::recursive_mutex;
 83                                                    83 
 84 // Mutex macros                                    84 // Mutex macros
 85 #define G4MUTEX_INITIALIZER                        85 #define G4MUTEX_INITIALIZER                                                    \
 86   {}                                               86   {}
 87 #define G4MUTEXINIT(mutex)                         87 #define G4MUTEXINIT(mutex)                                                     \
 88   ;                                                88   ;                                                                            \
 89   ;                                                89   ;
 90 #define G4MUTEXDESTROY(mutex)                      90 #define G4MUTEXDESTROY(mutex)                                                  \
 91   ;                                                91   ;                                                                            \
 92   ;                                                92   ;
 93                                                    93 
 94 // Static functions: get_id(), sleep_for(...),     94 // Static functions: get_id(), sleep_for(...), sleep_until(...), yield(),
 95 namespace G4ThisThread                             95 namespace G4ThisThread
 96 {                                                  96 {
 97   using namespace std::this_thread;                97   using namespace std::this_thread;
 98 }                                                  98 }
 99                                                    99 
100 // Will be used in the future when migrating t    100 // Will be used in the future when migrating threading to task-based style
101 // and are currently used in unit tests           101 // and are currently used in unit tests
102 template <typename _Tp>                           102 template <typename _Tp>
103 using G4Promise = std::promise<_Tp>;              103 using G4Promise = std::promise<_Tp>;
104 template <typename _Tp>                           104 template <typename _Tp>
105 using G4Future = std::future<_Tp>;                105 using G4Future = std::future<_Tp>;
106 template <typename _Tp>                           106 template <typename _Tp>
107 using G4SharedFuture = std::shared_future<_Tp>    107 using G4SharedFuture = std::shared_future<_Tp>;
108                                                   108 
109 // Some useful types                              109 // Some useful types
110 using G4ThreadFunReturnType = void*;              110 using G4ThreadFunReturnType = void*;
111 using G4ThreadFunArgType    = void*;              111 using G4ThreadFunArgType    = void*;
112 using thread_lock =                               112 using thread_lock =
113   G4int (*)(G4Mutex*);  // typedef G4int (*thr    113   G4int (*)(G4Mutex*);  // typedef G4int (*thread_lock)(G4Mutex*);
114 using thread_unlock =                             114 using thread_unlock =
115   G4int (*)(G4Mutex*);  // typedef G4int (*thr    115   G4int (*)(G4Mutex*);  // typedef G4int (*thread_unlock)(G4Mutex*);
116                                                   116 
117 // Helper function for getting a unique static    117 // Helper function for getting a unique static mutex for a specific
118 // class or type                                  118 // class or type
119 // Usage example:                                 119 // Usage example:
120 //   a template class "G4Cache<T>" that requir    120 //   a template class "G4Cache<T>" that required a static
121 //   mutex for specific to type T:                121 //   mutex for specific to type T:
122 //      G4AutoLock l(G4TypeMutex<G4Cache<T>>()    122 //      G4AutoLock l(G4TypeMutex<G4Cache<T>>());
123 template <typename _Tp>                           123 template <typename _Tp>
124 G4Mutex& G4TypeMutex()                            124 G4Mutex& G4TypeMutex()
125 {                                                 125 {
126   static G4Mutex _mutex;                          126   static G4Mutex _mutex;
127   return _mutex;                                  127   return _mutex;
128 }                                                 128 }
129                                                   129 
130 // Helper function for getting a unique static    130 // Helper function for getting a unique static recursive_mutex for a
131 // specific class or type                         131 // specific class or type
132 // Usage example:                                 132 // Usage example:
133 //                a template class "G4Cache<T>    133 //                a template class "G4Cache<T>" that required a static
134 //                recursive_mutex for specific    134 //                recursive_mutex for specific to type T:
135 //                        G4RecursiveAutoLock     135 //                        G4RecursiveAutoLock
136 //                        l(G4TypeRecursiveMut    136 //                        l(G4TypeRecursiveMutex<G4Cache<T>>());
137 template <typename _Tp>                           137 template <typename _Tp>
138 G4RecursiveMutex& G4TypeRecursiveMutex()          138 G4RecursiveMutex& G4TypeRecursiveMutex()
139 {                                                 139 {
140   static G4RecursiveMutex _mutex;                 140   static G4RecursiveMutex _mutex;
141   return _mutex;                                  141   return _mutex;
142 }                                                 142 }
143                                                   143 
144 #if defined(G4MULTITHREADED)                      144 #if defined(G4MULTITHREADED)
145 //==========================================      145 //==========================================
146 // G4MULTITHREADED is ON - threading enabled      146 // G4MULTITHREADED is ON - threading enabled
147 //==========================================      147 //==========================================
148                                                   148 
149 // global thread types                            149 // global thread types
150 using G4Thread       = std::thread;               150 using G4Thread       = std::thread;
151 using G4NativeThread = std::thread::native_han    151 using G4NativeThread = std::thread::native_handle_type;
152                                                   152 
153 // mutex macros                                   153 // mutex macros
154 #  define G4MUTEXLOCK(mutex)                      154 #  define G4MUTEXLOCK(mutex)                                                   \
155     {                                             155     {                                                                          \
156       (mutex)->lock();                            156       (mutex)->lock();                                                         \
157     }                                             157     }
158 #  define G4MUTEXUNLOCK(mutex)                    158 #  define G4MUTEXUNLOCK(mutex)                                                 \
159     {                                             159     {                                                                          \
160       (mutex)->unlock();                          160       (mutex)->unlock();                                                       \
161     }                                             161     }
162                                                   162 
163 // Macro to join thread                           163 // Macro to join thread
164 #  define G4THREADJOIN(worker) (worker).join()    164 #  define G4THREADJOIN(worker) (worker).join()
165                                                   165 
166 // std::thread::id does not cast to integer       166 // std::thread::id does not cast to integer
167 using G4Pid_t = std::thread::id;                  167 using G4Pid_t = std::thread::id;
168                                                   168 
169 // Instead of previous macro taking one argume    169 // Instead of previous macro taking one argument, define function taking
170 // unlimited arguments                            170 // unlimited arguments
171 template <typename _Worker, typename _Func, ty    171 template <typename _Worker, typename _Func, typename... _Args>
172 void G4THREADCREATE(_Worker*& worker, _Func fu    172 void G4THREADCREATE(_Worker*& worker, _Func func, _Args... args)
173 {                                                 173 {
174   *worker = G4Thread(func, std::forward<_Args>    174   *worker = G4Thread(func, std::forward<_Args>(args)...);
175 }                                                 175 }
176                                                   176 
177 // Conditions                                     177 // Conditions
178 //                                                178 //
179 // See G4MTRunManager for example on how to us    179 // See G4MTRunManager for example on how to use these
180 //                                                180 //
181 using G4Condition = std::condition_variable;      181 using G4Condition = std::condition_variable;
182 #  define G4CONDITION_INITIALIZER                 182 #  define G4CONDITION_INITIALIZER                                              \
183     {}                                            183     {}
184 #  define G4CONDITIONWAIT(cond, lock) (cond)->    184 #  define G4CONDITIONWAIT(cond, lock) (cond)->wait(*lock);
185 #  define G4CONDITIONWAITLAMBDA(cond, lock, la    185 #  define G4CONDITIONWAITLAMBDA(cond, lock, lambda) (cond)->wait(*lock, lambda);
186 #  define G4CONDITIONNOTIFY(cond) (cond)->noti    186 #  define G4CONDITIONNOTIFY(cond) (cond)->notify_one();
187 #  define G4CONDITIONBROADCAST(cond) (cond)->n    187 #  define G4CONDITIONBROADCAST(cond) (cond)->notify_all();
188 //                                                188 //
189 // we don't define above globally so single-th    189 // we don't define above globally so single-threaded code does not get
190 // caught in condition with no other thread to    190 // caught in condition with no other thread to wake it up
191 //                                                191 //
192                                                   192 
193 #else                                             193 #else
194 //==========================================      194 //==========================================
195 // G4MULTITHREADED is OFF - Sequential build      195 // G4MULTITHREADED is OFF - Sequential build
196 //==========================================      196 //==========================================
197                                                   197 
198 // implement a dummy thread class that acts li    198 // implement a dummy thread class that acts like a thread
199 class G4DummyThread                               199 class G4DummyThread
200 {                                                 200 {
201  public:                                          201  public:
202   using native_handle_type = G4int;               202   using native_handle_type = G4int;
203   using id                 = std::thread::id;     203   using id                 = std::thread::id;
204                                                   204 
205  public:                                          205  public:
206   // does nothing                                 206   // does nothing
207   G4DummyThread() {}                              207   G4DummyThread() {}
208   // a std::thread-like constructor that execu    208   // a std::thread-like constructor that execute upon construction
209   template <typename _Func, typename... _Args>    209   template <typename _Func, typename... _Args>
210   G4DummyThread(_Func func, _Args&&... _args)     210   G4DummyThread(_Func func, _Args&&... _args)
211   {                                               211   {
212     func(std::forward<_Args>(_args)...);          212     func(std::forward<_Args>(_args)...);
213   }                                               213   }
214                                                   214 
215  public:                                          215  public:
216   native_handle_type native_handle() const { r    216   native_handle_type native_handle() const { return native_handle_type(); }
217   G4bool joinable() const { return true; }        217   G4bool joinable() const { return true; }
218   id get_id() const noexcept { return std::thi    218   id get_id() const noexcept { return std::this_thread::get_id(); }
219   void swap(G4DummyThread&) {}                    219   void swap(G4DummyThread&) {}
220   void join() {}                                  220   void join() {}
221   void detach() {}                                221   void detach() {}
222                                                   222 
223  public:                                          223  public:
224   static unsigned int hardware_concurrency() n    224   static unsigned int hardware_concurrency() noexcept
225   {                                               225   {
226     return std::thread::hardware_concurrency()    226     return std::thread::hardware_concurrency();
227   }                                               227   }
228 };                                                228 };
229                                                   229 
230 // global thread types                            230 // global thread types
231 using G4Thread       = G4DummyThread;             231 using G4Thread       = G4DummyThread;
232 using G4NativeThread = G4DummyThread::native_h    232 using G4NativeThread = G4DummyThread::native_handle_type;
233                                                   233 
234 // mutex macros                                   234 // mutex macros
235 #  define G4MUTEXLOCK(mutex)                      235 #  define G4MUTEXLOCK(mutex)                                                   \
236     ;                                             236     ;                                                                          \
237     ;                                             237     ;
238 #  define G4MUTEXUNLOCK(mutex)                    238 #  define G4MUTEXUNLOCK(mutex)                                                 \
239     ;                                             239     ;                                                                          \
240     ;                                             240     ;
241                                                   241 
242 // Macro to join thread                           242 // Macro to join thread
243 #  define G4THREADJOIN(worker)                    243 #  define G4THREADJOIN(worker)                                                 \
244     ;                                             244     ;                                                                          \
245     ;                                             245     ;
246                                                   246 
247 using G4Pid_t = G4int;                            247 using G4Pid_t = G4int;
248                                                   248 
249 // Instead of previous macro taking one argume    249 // Instead of previous macro taking one argument, define function taking
250 // unlimited arguments                            250 // unlimited arguments
251 template <typename _Worker, typename _Func, ty    251 template <typename _Worker, typename _Func, typename... _Args>
252 void G4THREADCREATE(_Worker*& worker, _Func fu    252 void G4THREADCREATE(_Worker*& worker, _Func func, _Args... args)
253 {                                                 253 {
254   *worker = G4Thread(func, std::forward<_Args>    254   *worker = G4Thread(func, std::forward<_Args>(args)...);
255 }                                                 255 }
256                                                   256 
257 using G4Condition = G4int;                        257 using G4Condition = G4int;
258 #  define G4CONDITION_INITIALIZER 1               258 #  define G4CONDITION_INITIALIZER 1
259 #  define G4CONDITIONWAIT(cond, mutex) G4Consu    259 #  define G4CONDITIONWAIT(cond, mutex) G4ConsumeParameters(cond, mutex);
260 #  define G4CONDITIONWAITLAMBDA(cond, mutex, l    260 #  define G4CONDITIONWAITLAMBDA(cond, mutex, lambda)                           \
261     G4ConsumeParameters(cond, mutex, lambda);     261     G4ConsumeParameters(cond, mutex, lambda);
262 #  define G4CONDITIONNOTIFY(cond) G4ConsumePar    262 #  define G4CONDITIONNOTIFY(cond) G4ConsumeParameters(cond);
263 #  define G4CONDITIONBROADCAST(cond) G4Consume    263 #  define G4CONDITIONBROADCAST(cond) G4ConsumeParameters(cond);
264                                                   264 
265 #endif  // G4MULTITHREADING                       265 #endif  // G4MULTITHREADING
266                                                   266 
267 //============================================    267 //============================================================================//
268                                                   268 
269 // Define here after G4Thread has been typedef    269 // Define here after G4Thread has been typedef
270 using G4ThreadId = G4Thread::id;                  270 using G4ThreadId = G4Thread::id;
271                                                   271 
272 //============================================    272 //============================================================================//
273                                                   273 
274 namespace G4Threading                             274 namespace G4Threading
275 {                                                 275 {
276   enum                                            276   enum
277   {                                               277   {
278     SEQUENTIAL_ID    = -2,                        278     SEQUENTIAL_ID    = -2,
279     MASTER_ID        = -1,                        279     MASTER_ID        = -1,
280     WORKER_ID        = 0,                         280     WORKER_ID        = 0,
281     GENERICTHREAD_ID = -1000                      281     GENERICTHREAD_ID = -1000
282   };                                              282   };
283                                                   283 
284   G4Pid_t G4GetPidId();                           284   G4Pid_t G4GetPidId();
285   G4int G4GetNumberOfCores();                     285   G4int G4GetNumberOfCores();
286   G4int G4GetThreadId();                          286   G4int G4GetThreadId();
287   G4bool IsWorkerThread();                        287   G4bool IsWorkerThread();
288   G4bool IsMasterThread();                        288   G4bool IsMasterThread();
289   void G4SetThreadId(G4int aNewValue);            289   void G4SetThreadId(G4int aNewValue);
290   G4bool G4SetPinAffinity(G4int idx, G4NativeT    290   G4bool G4SetPinAffinity(G4int idx, G4NativeThread& at);
291   void SetMultithreadedApplication(G4bool valu    291   void SetMultithreadedApplication(G4bool value);
292   G4bool IsMultithreadedApplication();            292   G4bool IsMultithreadedApplication();
293   G4int WorkerThreadLeavesPool();                 293   G4int WorkerThreadLeavesPool();
294   G4int WorkerThreadJoinsPool();                  294   G4int WorkerThreadJoinsPool();
295   G4int GetNumberOfRunningWorkerThreads();        295   G4int GetNumberOfRunningWorkerThreads();
296 }  // namespace G4Threading                       296 }  // namespace G4Threading
297                                                   297 
298 #endif  // G4Threading_hh                         298 #endif  // G4Threading_hh
299                                                   299