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qrecyclepool_p.h

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1 /**************************************************************************** -

2 ** -

3 ** Copyright (C) 2016 The Qt Company Ltd. -

4 ** Contact: https://www.qt.io/licensing/ -

5 ** -

6 ** This file is part of the QtQml module of the Qt Toolkit. -

7 ** -

8 ** $QT_BEGIN_LICENSE:LGPL$ -

9 ** Commercial License Usage -

10 ** Licensees holding valid commercial Qt licenses may use this file in -

11 ** accordance with the commercial license agreement provided with the -

12 ** Software or, alternatively, in accordance with the terms contained in -

13 ** a written agreement between you and The Qt Company. For licensing terms -

14 ** and conditions see https://www.qt.io/terms-conditions. For further -

15 ** information use the contact form at https://www.qt.io/contact-us. -

16 ** -

17 ** GNU Lesser General Public License Usage -

18 ** Alternatively, this file may be used under the terms of the GNU Lesser -

19 ** General Public License version 3 as published by the Free Software -

20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the -

21 ** packaging of this file. Please review the following information to -

22 ** ensure the GNU Lesser General Public License version 3 requirements -

23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -

24 ** -

25 ** GNU General Public License Usage -

26 ** Alternatively, this file may be used under the terms of the GNU -

27 ** General Public License version 2.0 or (at your option) the GNU General -

28 ** Public license version 3 or any later version approved by the KDE Free -

29 ** Qt Foundation. The licenses are as published by the Free Software -

30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -

31 ** included in the packaging of this file. Please review the following -

32 ** information to ensure the GNU General Public License requirements will -

33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and -

34 ** https://www.gnu.org/licenses/gpl-3.0.html. -

35 ** -

36 ** $QT_END_LICENSE$ -

37 ** -

38 ****************************************************************************/ -

39 -

40 #ifndef QRECYCLEPOOL_P_H -

41 #define QRECYCLEPOOL_P_H -

42 -

43 // -

44 // W A R N I N G -

45 // ------------- -

46 // -

47 // This file is not part of the Qt API. It exists purely as an -

48 // implementation detail. This header file may change from version to -

49 // version without notice, or even be removed. -

50 // -

51 // We mean it. -

52 // -

53 -

54 QT_BEGIN_NAMESPACE -

55 -

56 #define QRECYCLEPOOLCOOKIE 0x33218ADF -

57 -

58 template<typename T, int Step> -

59 class QRecyclePoolPrivate -

60 { -

61 public: -

62 QRecyclePoolPrivate() -

63 : recyclePoolHold(true), outstandingItems(0), cookie(QRECYCLEPOOLCOOKIE), -

64 currentPage(nullptr), nextAllocated(nullptr) -

65 { -

}

never executed: end of block

0

67 -

68 bool recyclePoolHold; -

69 int outstandingItems; -

70 quint32 cookie; -

71 -

72 struct PoolType : public T { -

73 union { -

74 QRecyclePoolPrivate<T, Step> *pool; -

75 PoolType *nextAllocated; -

76 }; -

77 }; -

78 -

79 struct Page { -

80 Page *nextPage; -

81 unsigned int free; -

82 union { -

83 char array[Step * sizeof(PoolType)]; -

84 qint64 q_for_alignment_1; -

85 double q_for_alignment_2; -

86 }; -

87 }; -

88 -

89 Page *currentPage; -

90 PoolType *nextAllocated; -

91 -

92 inline T *allocate(); -

93 static inline void dispose(T *); -

94 inline void releaseIfPossible(); -

95 }; -

96 -

97 template<typename T, int Step = 1024> -

98 class QRecyclePool -

99 { -

100 public: -

101 inline QRecyclePool(); -

102 inline ~QRecyclePool(); -

103 -

104 inline T *New(); -

105 template<typename T1> -

106 inline T *New(const T1 &); -

107 template<typename T1> -

108 inline T *New(T1 &); -

109 -

110 static inline void Delete(T *); -

111 -

112 private: -

113 QRecyclePoolPrivate<T, Step> *d; -

114 }; -

115 -

116 template<typename T, int Step> -

117 QRecyclePool<T, Step>::QRecyclePool() -

118 : d(new QRecyclePoolPrivate<T, Step>()) -

119 { -

}

never executed: end of block

0

121 -

122 template<typename T, int Step> -

123 QRecyclePool<T, Step>::~QRecyclePool() -

124 { -

125 d->recyclePoolHold = false; -

126 d->releaseIfPossible(); -

}

never executed: end of block

0

128 -

129 template<typename T, int Step> -

130 T *QRecyclePool<T, Step>::New() -

131 { -

132 T *rv = d->allocate(); -

133 new (rv) T; -

return rv;

never executed: return rv;

0

135 } -

136 -

137 template<typename T, int Step> -

138 template<typename T1> -

139 T *QRecyclePool<T, Step>::New(const T1 &a) -

140 { -

141 T *rv = d->allocate(); -

142 new (rv) T(a); -

return rv;

never executed: return rv;

0

144 } -

145 -

146 template<typename T, int Step> -

147 template<typename T1> -

148 T *QRecyclePool<T, Step>::New(T1 &a) -

149 { -

150 T *rv = d->allocate(); -

151 new (rv) T(a); -

return rv;

executed 926499 times by 114 tests: return rv;

Executed by:

tst_bindingdependencyapi
tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlcontext
tst_qqmlecmascript
tst_qqmlenginedebugservice
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
tst_qqmlitemmodels
tst_qqmllistmodel
tst_qqmllistreference
tst_qqmllocale
tst_qqmlnotifier
tst_qqmlproperty
tst_qqmlpropertymap
tst_qqmlqt
...

926499

153 } -

154 -

155 template<typename T, int Step> -

156 void QRecyclePool<T, Step>::Delete(T *t) -

157 { -

158 t->~T(); -

159 QRecyclePoolPrivate<T, Step>::dispose(t); -

}

executed 845675 times by 113 tests: end of block

Executed by:

tst_bindingdependencyapi
tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlcontext
tst_qqmlecmascript
tst_qqmlenginedebugservice
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
tst_qqmlitemmodels
tst_qqmllistmodel
tst_qqmllistreference
tst_qqmllocale
tst_qqmlnotifier
tst_qqmlproperty
tst_qqmlpropertymap
tst_qqmlqt
...

845675

161 -

162 template<typename T, int Step> -

163 void QRecyclePoolPrivate<T, Step>::releaseIfPossible() -

164 { -

if (recyclePoolHold || outstandingItems)

recyclePoolHold

Description

TRUE

evaluated 821917 times by 112 tests

Evaluated by:

tst_bindingdependencyapi
tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlcontext
tst_qqmlecmascript
tst_qqmlenginedebugservice
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlitemmodels
tst_qqmllistmodel
tst_qqmllistreference
tst_qqmllocale
tst_qqmlnotifier
tst_qqmlproperty
tst_qqmlpropertymap
tst_qqmlqt
tst_qqmlstatemachine
...

FALSE

evaluated 23758 times by 9 tests

Evaluated by:

tst_qqmlecmascript
tst_qqmlinstantiator
tst_qquickgridview
tst_qquickitem2
tst_qquicklistview
tst_qquickpathview
tst_qquickpositioners
tst_qquickrepeater
tst_qquickvisualdatamodel

outstandingItems	Description
TRUE	evaluated 23499 times by 9 tests Evaluated by: tst_qqmlecmascript tst_qqmlinstantiator tst_qquickgridview tst_qquickitem2 tst_qquicklistview tst_qquickpathview tst_qquickpositioners tst_qquickrepeater tst_qquickvisualdatamodel
FALSE	evaluated 259 times by 8 tests Evaluated by: tst_qqmlecmascript tst_qquickgridview tst_qquickitem2 tst_qquicklistview tst_qquickpathview tst_qquickpositioners tst_qquickrepeater tst_qquickvisualdatamodel

259-821917

return;

executed 845416 times by 113 tests: return;

Executed by:

tst_bindingdependencyapi
tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlcontext
tst_qqmlecmascript
tst_qqmlenginedebugservice
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
tst_qqmlitemmodels
tst_qqmllistmodel
tst_qqmllistreference
tst_qqmllocale
tst_qqmlnotifier
tst_qqmlproperty
tst_qqmlpropertymap
tst_qqmlqt
...

845416

167 -

168 Page *p = currentPage; -

while (p) {

p	Description
TRUE	evaluated 265 times by 8 tests Evaluated by: tst_qqmlecmascript tst_qquickgridview tst_qquickitem2 tst_qquicklistview tst_qquickpathview tst_qquickpositioners tst_qquickrepeater tst_qquickvisualdatamodel
FALSE	evaluated 259 times by 8 tests Evaluated by: tst_qqmlecmascript tst_qquickgridview tst_qquickitem2 tst_qquicklistview tst_qquickpathview tst_qquickpositioners tst_qquickrepeater tst_qquickvisualdatamodel

259-265

170 Page *n = p->nextPage; -

171 free(p); -

172 p = n; -

}

executed 265 times by 8 tests: end of block

Executed by:

tst_qqmlecmascript
tst_qquickgridview
tst_qquickitem2
tst_qquicklistview
tst_qquickpathview
tst_qquickpositioners
tst_qquickrepeater
tst_qquickvisualdatamodel

265

174 -

175 delete this; -

}

executed 259 times by 8 tests: end of block

Executed by:

tst_qqmlecmascript
tst_qquickgridview
tst_qquickitem2
tst_qquicklistview
tst_qquickpathview
tst_qquickpositioners
tst_qquickrepeater
tst_qquickvisualdatamodel

259

177 -

178 template<typename T, int Step> -

179 T *QRecyclePoolPrivate<T, Step>::allocate() -

180 { -

181 PoolType *rv = nullptr; -

if (nextAllocated) {

nextAllocated

Description

TRUE

evaluated 609254 times by 36 tests

Evaluated by:

tst_examples
tst_flickableinterop
tst_qmldiskcache
tst_qqmlbinding
tst_qqmlcontext
tst_qqmlecmascript
tst_qqmlenginedebugservice
tst_qqmlincubator
tst_qqmlitemmodels
tst_qqmllocale
tst_qqmlnotifier
tst_qqmlproperty
tst_qqmlqt
tst_qqmlvaluetypes
tst_qquickanimations
tst_qquickbehaviors
tst_qquickdesignersupport
tst_qquickdrag
tst_qquickdraghandler
tst_qquickdroparea
tst_qquickflickable
tst_qquickgridview
tst_qquickimage
tst_qquickitem2
tst_qquicklayouts
...

FALSE

evaluated 317245 times by 114 tests

Evaluated by:

tst_bindingdependencyapi
tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlcontext
tst_qqmlecmascript
tst_qqmlenginedebugservice
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
tst_qqmlitemmodels
tst_qqmllistmodel
tst_qqmllistreference
tst_qqmllocale
tst_qqmlnotifier
tst_qqmlproperty
tst_qqmlpropertymap
tst_qqmlqt
...

317245-609254

183 rv = nextAllocated; -

184 nextAllocated = rv->nextAllocated; -

} else if (currentPage && currentPage->free) {

executed 609254 times by 36 tests: end of block

Executed by:

tst_examples
tst_flickableinterop
tst_qmldiskcache
tst_qqmlbinding
tst_qqmlcontext
tst_qqmlecmascript
tst_qqmlenginedebugservice
tst_qqmlincubator
tst_qqmlitemmodels
tst_qqmllocale
tst_qqmlnotifier
tst_qqmlproperty
tst_qqmlqt
tst_qqmlvaluetypes
tst_qquickanimations
tst_qquickbehaviors
tst_qquickdesignersupport
tst_qquickdrag
tst_qquickdraghandler
tst_qquickdroparea
tst_qquickflickable
tst_qquickgridview
tst_qquickimage
tst_qquickitem2
tst_qquicklayouts
...

currentPage

Description

TRUE

evaluated 313735 times by 93 tests

Evaluated by:

tst_bindingdependencyapi
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlcontext
tst_qqmlecmascript
tst_qqmlenginedebugservice
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
tst_qqmlitemmodels
tst_qqmllistmodel
tst_qqmllistreference
tst_qqmllocale
tst_qqmlnotifier
tst_qqmlproperty
tst_qqmlpropertymap
tst_qqmlqt
tst_qqmlstatemachine
...

FALSE

evaluated 3510 times by 114 tests

Evaluated by:

tst_bindingdependencyapi
tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlcontext
tst_qqmlecmascript
tst_qqmlenginedebugservice
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
tst_qqmlitemmodels
tst_qqmllistmodel
tst_qqmllistreference
tst_qqmllocale
tst_qqmlnotifier
tst_qqmlproperty
tst_qqmlpropertymap
tst_qqmlqt
...

currentPage->free

Description

TRUE

evaluated 313633 times by 93 tests

Evaluated by:

tst_bindingdependencyapi
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlcontext
tst_qqmlecmascript
tst_qqmlenginedebugservice
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
tst_qqmlitemmodels
tst_qqmllistmodel
tst_qqmllistreference
tst_qqmllocale
tst_qqmlnotifier
tst_qqmlproperty
tst_qqmlpropertymap
tst_qqmlqt
tst_qqmlstatemachine
...

FALSE

evaluated 102 times by 5 tests

Evaluated by:

tst_examples
tst_qqmlnotifier
tst_qquickgridview
tst_qquicklistview
tst_scenegraph

102-609254

186 rv = (PoolType *)(currentPage->array + (Step - currentPage->free) * sizeof(PoolType)); -

187 currentPage->free--; -

} else {

executed 313633 times by 93 tests: end of block

Executed by:

tst_bindingdependencyapi
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlcontext
tst_qqmlecmascript
tst_qqmlenginedebugservice
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
tst_qqmlitemmodels
tst_qqmllistmodel
tst_qqmllistreference
tst_qqmllocale
tst_qqmlnotifier
tst_qqmlproperty
tst_qqmlpropertymap
tst_qqmlqt
tst_qqmlstatemachine
...

313633

189 Page *p = (Page *)malloc(sizeof(Page)); -

190 p->nextPage = currentPage; -

191 p->free = Step; -

192 currentPage = p; -

193 -

194 rv = (PoolType *)currentPage->array; -

195 currentPage->free--; -

}

executed 3612 times by 114 tests: end of block

Executed by:

tst_bindingdependencyapi
tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlcontext
tst_qqmlecmascript
tst_qqmlenginedebugservice
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
tst_qqmlitemmodels
tst_qqmllistmodel
tst_qqmllistreference
tst_qqmllocale
tst_qqmlnotifier
tst_qqmlproperty
tst_qqmlpropertymap
tst_qqmlqt
...

3612

197 -

198 rv->pool = this; -

199 ++outstandingItems; -

return rv;

executed 926499 times by 114 tests: return rv;

Executed by:

tst_bindingdependencyapi
tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlcontext
tst_qqmlecmascript
tst_qqmlenginedebugservice
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
tst_qqmlitemmodels
tst_qqmllistmodel
tst_qqmllistreference
tst_qqmllocale
tst_qqmlnotifier
tst_qqmlproperty
tst_qqmlpropertymap
tst_qqmlqt
...

926499

201 } -

202 -

203 template<typename T, int Step> -

204 void QRecyclePoolPrivate<T, Step>::dispose(T *t) -

205 { -

206 PoolType *pt = static_cast<PoolType *>(t); -

207 Q_ASSERT(pt->pool && pt->pool->cookie == QRECYCLEPOOLCOOKIE); -

208 -

209 QRecyclePoolPrivate<T, Step> *This = pt->pool; -

210 pt->nextAllocated = This->nextAllocated; -

211 This->nextAllocated = pt; -

212 --This->outstandingItems; -

213 This->releaseIfPossible(); -

}

executed 845675 times by 113 tests: end of block

Executed by:

tst_bindingdependencyapi
tst_drawingmodes
tst_examples
tst_flickableinterop
tst_multipointtoucharea_interop
tst_qmlcachegen
tst_qmldiskcache
tst_qqmlapplicationengine
tst_qqmlbinding
tst_qqmlcomponent
tst_qqmlconnections
tst_qqmlcontext
tst_qqmlecmascript
tst_qqmlenginedebugservice
tst_qqmlincubator
tst_qqmlinfo
tst_qqmlinstantiator
tst_qqmlitemmodels
tst_qqmllistmodel
tst_qqmllistreference
tst_qqmllocale
tst_qqmlnotifier
tst_qqmlproperty
tst_qqmlpropertymap
tst_qqmlqt
...

845675

215 -

216 QT_END_NAMESPACE -

217 -

218 #endif // QRECYCLEPOOL_P_H -

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