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25 // 25 //
26 // G4PDefManager class implementation <<
27 // 26 //
28 // Author: Xin Dong, 25.01.2009 - First implem << 27 // $Id: G4PDefManager.cc 101112 2016-11-07 08:19:33Z gcosmo $
29 // from automat << 28 //
30 // ------------------------------------------- << 29 //
>> 30 // ------------------------------------------------------------
>> 31 //
>> 32 // GEANT 4 class header file
>> 33 //
>> 34 // ---------------- G4PDefManager ----------------
>> 35 //
>> 36 // Utility template class for splitting RW data for thread-safety from
>> 37 // classes: G4ParticleDefinition, G4VDecayChannel.
>> 38 //
>> 39 // ------------------------------------------------------------
>> 40 // History:
>> 41 // 01.25.2009 Xin Dong: First implementation from automatic MT conversion.
>> 42 // ------------------------------------------------------------
31 43
32 #include "G4PDefManager.hh" << 44 #include <stdlib.h>
33 45
34 #include "G4AutoLock.hh" << 46 #include "G4PDefManager.hh"
35 #include "globals.hh" 47 #include "globals.hh"
36 <<
37 #include "pwdefs.hh" 48 #include "pwdefs.hh"
38 << 49 #include "G4AutoLock.hh"
39 #include <cstdlib> <<
40 50
41 void G4PDefData::initialize() 51 void G4PDefData::initialize()
42 { 52 {
43 theProcessManager = nullptr; << 53 theProcessManager = 0;
44 theTrackingManager = nullptr; <<
45 } <<
46 <<
47 G4int& G4PDefManager::slavetotalspace() <<
48 { <<
49 G4ThreadLocalStatic G4int _instance = 0; <<
50 return _instance; <<
51 } 54 }
52 55
53 G4PDefData*& G4PDefManager::offset() << 56 G4ThreadLocal G4int G4PDefManager::slavetotalspace=0;
54 { << 57 G4ThreadLocal G4PDefData* G4PDefManager::offset=0;
55 G4ThreadLocalStatic G4PDefData* _instance = <<
56 return _instance; <<
57 } <<
58 58
59 G4PDefManager::G4PDefManager() << 59 G4PDefManager::G4PDefManager() : totalobj(0)
60 { 60 {
61 G4MUTEXINIT(mutex); << 61 G4MUTEXINIT(mutex);
62 } 62 }
63 63
64 G4int G4PDefManager::CreateSubInstance() 64 G4int G4PDefManager::CreateSubInstance()
65 // Invoked by the master or work thread to cre 65 // Invoked by the master or work thread to create a new subinstance
66 // whenever a new split class instance is crea 66 // whenever a new split class instance is created. For each worker
67 // thread, ions are created dynamically. 67 // thread, ions are created dynamically.
68 { 68 {
69 G4AutoLock l(&mutex); << 69 G4AutoLock l(&mutex);
70 ++totalobj; << 70 totalobj++;
71 if (totalobj > slavetotalspace()) { << 71 if (totalobj > slavetotalspace)
72 l.unlock(); << 72 {
73 NewSubInstances(); << 73 l.unlock();
74 l.lock(); << 74 NewSubInstances();
75 } << 75 l.lock();
76 return (totalobj - 1); << 76 }
>> 77 return (totalobj - 1);
77 } 78 }
78 79
79 void G4PDefManager::NewSubInstances() 80 void G4PDefManager::NewSubInstances()
80 // Invoked by each worker thread to grow the s 81 // Invoked by each worker thread to grow the subinstance array and
81 // initialize each new subinstance using a par 82 // initialize each new subinstance using a particular method defined
82 // by the subclass. 83 // by the subclass.
83 { 84 {
84 G4AutoLock l(&mutex); << 85 G4AutoLock l(&mutex);
85 if (slavetotalspace() >= totalobj) { << 86 if (slavetotalspace >= totalobj) { return; }
86 return; << 87 G4int originaltotalspace = slavetotalspace;
87 } << 88 slavetotalspace = totalobj + 512;
88 G4int originaltotalspace = slavetotalspace() << 89 offset = (G4PDefData *) realloc(offset, slavetotalspace * sizeof(G4PDefData));
89 slavetotalspace() = totalobj + 512; << 90
90 offset() = (G4PDefData*)realloc(offset(), sl << 91 if (offset == 0)
91 if (offset() == nullptr) { << 92 {
92 G4Exception("G4PDefManager::NewSubInstance << 93 G4Exception("G4PDefManager::NewSubInstances()",
93 "Cannot malloc space!"); << 94 "OutOfMemory", FatalException, "Cannot malloc space!");
94 } << 95 }
95 << 96
96 for (G4int i = originaltotalspace; i < slave << 97 for (G4int i = originaltotalspace; i < slavetotalspace; i++)
97 offset()[i].initialize(); << 98 {
98 } << 99 offset[i].initialize();
>> 100 }
99 } 101 }
100 102
101 // Invoked by all threads to free the subinsta <<
102 void G4PDefManager::FreeSlave() 103 void G4PDefManager::FreeSlave()
>> 104 // Invoked by all threads to free the subinstance array.
103 { 105 {
104 if (offset() == nullptr) { << 106 if (!offset) { return; }
105 return; << 107 free(offset);
106 } << 108 offset = 0;
107 free(offset()); <<
108 offset() = nullptr; <<
109 } 109 }
110 110
111 G4PDefData* G4PDefManager::GetOffset() << 111
>> 112 G4PDefData* G4PDefManager::GetOffset()
112 { 113 {
113 return offset(); << 114 return offset;
114 } 115 }
115 116
116 // Use recycled work area, which was created p << 117 void G4PDefManager::UseWorkArea( G4PDefData* newOffset ) // , G4int numObjects, G4int numSpace)
117 void G4PDefManager::UseWorkArea(G4PDefData* ne <<
118 { 118 {
119 if ((offset() != nullptr) && (offset() != ne << 119 // Use recycled work area - which was created previously
120 G4Exception("G4PDefManager::UseWorkspace() << 120 if( offset && offset!=newOffset )
121 "Thread already has workspace << 121 {
122 } << 122 G4Exception("G4PDefManager::UseWorkspace()",
123 offset() = newOffset; << 123 "TwoWorkspaces", FatalException,
>> 124 "Thread already has workspace - cannot use another.");
>> 125 }
>> 126 offset= newOffset;
>> 127 // totalobj= numObjects;
>> 128 // totalspace= numSpace;
124 } 129 }
125 130
126 // Detach this thread from this Location << 131 G4PDefData* G4PDefManager::FreeWorkArea() // G4int* numObjects, G4int* numSpace)
127 // The object which calls this method is respo <<
128 G4PDefData* G4PDefManager::FreeWorkArea() <<
129 { 132 {
130 G4PDefData* offsetRet = offset(); << 133 // Detach this thread from this Location
131 offset() = nullptr; << 134 // The object which calls this method is responsible for it.
132 return offsetRet; << 135 //
>> 136 G4PDefData* offsetRet= offset;
>> 137
>> 138 offset= 0;
>> 139
>> 140 return offsetRet;
133 } 141 }
134 142