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qdbus_symbols.cpp

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

2 ** -

4 ** Contact: http://www.qt-project.org/legal -

5 ** -

6 ** This file is part of the QtDBus 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 Digia. For licensing terms and -

14 ** conditions see http://qt.digia.com/licensing. For further information -

15 ** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software -

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

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

22 ** ensure the GNU Lesser General Public License version 2.1 requirements -

23 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -

24 ** -

25 ** In addition, as a special exception, Digia gives you certain additional -

26 ** rights. These rights are described in the Digia Qt LGPL Exception -

27 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -

28 ** -

29 ** GNU General Public License Usage -

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

31 ** General Public License version 3.0 as published by the Free Software -

32 ** Foundation and appearing in the file LICENSE.GPL included in the -

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

34 ** ensure the GNU General Public License version 3.0 requirements will be -

35 ** met: http://www.gnu.org/copyleft/gpl.html. -

36 ** -

37 ** -

38 ** $QT_END_LICENSE$ -

39 ** -

40 ****************************************************************************/ -

41 -

42 #include <QtCore/qglobal.h> -

43 #ifndef QT_BOOTSTRAPPED -

44 #include <QtCore/qlibrary.h> -

45 #endif -

46 #include <QtCore/qmutex.h> -

47 #include <private/qmutexpool_p.h> -

48 -

49 #ifndef QT_NO_DBUS -

50 -

51 extern "C" void dbus_shutdown(); -

52 -

53 QT_BEGIN_NAMESPACE -

54 -

55 void (*qdbus_resolve_me(const char *name))(); -

56 -

57 #if !defined QT_LINKED_LIBDBUS -

58 -

59 #ifndef QT_BOOTSTRAPPED -

60 static QLibrary *qdbus_libdbus = 0; -

61 -

62 void qdbus_unloadLibDBus() -

63 { -

if (qdbus_libdbus) {

never evaluated: qdbus_libdbus

if (qEnvironmentVariableIsSet("QDBUS_FORCE_SHUTDOWN"))

never evaluated: qEnvironmentVariableIsSet("QDBUS_FORCE_SHUTDOWN")

qdbus_libdbus->resolve("dbus_shutdown")();

never executed: qdbus_libdbus->resolve("dbus_shutdown")();

qdbus_libdbus->unload();

never executed (the execution status of this line is deduced): qdbus_libdbus->unload();

}

never executed: }

delete qdbus_libdbus;

never executed (the execution status of this line is deduced): delete qdbus_libdbus;

qdbus_libdbus = 0;

never executed (the execution status of this line is deduced): qdbus_libdbus = 0;

}

never executed: }

72 #endif -

73 -

74 bool qdbus_loadLibDBus() -

75 { -

76 #ifndef QT_BOOTSTRAPPED -

77 #ifdef QT_BUILD_INTERNAL -

78 // this is to simulate a library load failure for our autotest suite. -

79 if (!qEnvironmentVariableIsEmpty("QT_SIMULATE_DBUS_LIBFAIL")) -

80 return false; -

81 #endif -

82 -

83 static bool triedToLoadLibrary = false; -

84 #ifndef QT_NO_THREAD -

QMutexLocker locker(QMutexPool::globalInstanceGet((void *)&qdbus_resolve_me));

executed (the execution status of this line is deduced): QMutexLocker locker(QMutexPool::globalInstanceGet((void *)&qdbus_resolve_me));

86 #endif -

QLibrary *&lib = qdbus_libdbus;

executed (the execution status of this line is deduced): QLibrary *&lib = qdbus_libdbus;

if (triedToLoadLibrary)

evaluated: triedToLoadLibrary

TRUE	FALSE
yes Evaluation Count:2574	yes Evaluation Count:15

15-2574

return lib && lib->isLoaded();

executed: return lib && lib->isLoaded();

Execution Count:2574

2574

90 -

lib = new QLibrary;

executed (the execution status of this line is deduced): lib = new QLibrary;

triedToLoadLibrary = true;

executed (the execution status of this line is deduced): triedToLoadLibrary = true;

93 -

94 static int majorversions[] = { 3, 2, -1 }; -

lib->unload();

executed (the execution status of this line is deduced): lib->unload();

lib->setFileName(QLatin1String("dbus-1"));

executed (the execution status of this line is deduced): lib->setFileName(QLatin1String("dbus-1"));

for (uint i = 0; i < sizeof(majorversions) / sizeof(majorversions[0]); ++i) {

partially evaluated: i < sizeof(majorversions) / sizeof(majorversions[0])

TRUE	FALSE
yes Evaluation Count:15	no Evaluation Count:0

0-15

lib->setFileNameAndVersion(lib->fileName(), majorversions[i]);

executed (the execution status of this line is deduced): lib->setFileNameAndVersion(lib->fileName(), majorversions[i]);

if (lib->load() && lib->resolve("dbus_connection_open_private"))

partially evaluated: lib->load()

TRUE	FALSE
yes Evaluation Count:15	no Evaluation Count:0

partially evaluated: lib->resolve("dbus_connection_open_private")

TRUE	FALSE
yes Evaluation Count:15	no Evaluation Count:0

0-15

100

return true;

executed: return true;

Execution Count:15

101 -

102

lib->unload();

never executed (the execution status of this line is deduced): lib->unload();

103

}

never executed: }

104 -

105

delete lib;

never executed (the execution status of this line is deduced): delete lib;

106

lib = 0;

never executed (the execution status of this line is deduced): lib = 0;

107

return false;

never executed: return false;

108 #else -

109 return true; -

110 #endif -

111 } -

112 -

113 #ifndef QT_BOOTSTRAPPED -

114 void (*qdbus_resolve_conditionally(const char *name))() -

115 { -

116

if (qdbus_loadLibDBus())

partially evaluated: qdbus_loadLibDBus()

TRUE	FALSE
yes Evaluation Count:23	no Evaluation Count:0

0-23

117

return qdbus_libdbus->resolve(name);

executed: return qdbus_libdbus->resolve(name);

Execution Count:23

118

return 0;

never executed: return 0;

119 } -

120 #endif -

121 -

122 void (*qdbus_resolve_me(const char *name))() -

123 { -

124 #ifndef QT_BOOTSTRAPPED -

125

if (!qdbus_loadLibDBus())

partially evaluated: !qdbus_loadLibDBus()

TRUE	FALSE
no Evaluation Count:0	yes Evaluation Count:621

0-621

126

qFatal("Cannot find libdbus-1 in your system to resolve symbol '%s'.", name);

never executed:

QMessageLogger("qdbus_symbols.cpp", 126, __PRETTY_FUNCTION__).fatal("Cannot find libdbus-1 in your system to resolve symbol '%s'.", name);

127 -

128

QFunctionPointer ptr = qdbus_libdbus->resolve(name);

executed (the execution status of this line is deduced): QFunctionPointer ptr = qdbus_libdbus->resolve(name);

129

if (!ptr)

partially evaluated: !ptr

TRUE	FALSE
no Evaluation Count:0	yes Evaluation Count:621

0-621

130

qFatal("Cannot resolve '%s' in your libdbus-1.", name);

never executed: QMessageLogger("qdbus_symbols.cpp", 130, __PRETTY_FUNCTION__).fatal("Cannot resolve '%s' in your libdbus-1.", name);

131 -

132

return ptr;

executed: return ptr;

Execution Count:621

621

133 #else -

134 Q_UNUSED(name); -

135 return 0; -

136 #endif -

137 } -

138 -

139 #else // QT_LINKED_LIBDBUS -

140 static void qdbus_unloadLibDBus() -

141 { -

142 if (qEnvironmentVariableIsSet("QDBUS_FORCE_SHUTDOWN")) -

143 dbus_shutdown(); -

144 } -

145 -

146 #endif // !QT_LINKED_LIBDBUS -

147 -

148 #ifndef QT_BOOTSTRAPPED -

149

Q_DESTRUCTOR_FUNCTION(qdbus_unloadLibDBus)

never executed: }

150 #endif -

151 -

152 QT_END_NAMESPACE -

153 -

154 #endif // QT_NO_DBUS -

155 -

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