qsharedmemory_systemv.cpp

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/home/qt/qt5_coco/qt5/qtbase/src/corelib/kernel/qsharedmemory_systemv.cpp

Switch to Source code

Preprocessed file

Line Source Count

1 -

2 -

3 -

4 -

5 -

6 -

7 -

8 -

9 -

10 -

11 -

12 -

13 key_t QSharedMemoryPrivate::handle() -

14 { -

15 -

if (unix_key

unix_key	Description
TRUE	never evaluated
FALSE	evaluated 3537 times by 2 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status

)

0-3537

return

never executed: return unix_key;

unix_key;

never executed: return unix_key;

18 -

19 -

if (nativeKey.isEmpty()

nativeKey.isEmpty()	Description
TRUE	evaluated 1 time by 1 test Evaluated by: tst_QSharedMemory
FALSE	evaluated 3536 times by 2 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status

) {

1-3536

21 errorString = QSharedMemory::tr("%1: key is empty").arg(QLatin1String("QSharedMemory::handle:")); -

22 error = QSharedMemory::KeyError; -

return

executed 1 time by 1 test: return 0;

Executed by:

tst_QSharedMemory

executed 1 time by 1 test: return 0;

Executed by:

tst_QSharedMemory

24 } -

25 -

26 -

if (!QFile::exists(nativeKey)

!QFile::exists(nativeKey)	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_QSharedMemory
FALSE	evaluated 3534 times by 2 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status

) {

2-3534

28 errorString = QSharedMemory::tr("%1: UNIX key file doesn't exist").arg(QLatin1String("QSharedMemory::handle:")); -

29 error = QSharedMemory::NotFound; -

return

executed 2 times by 1 test: return 0;

Executed by:

tst_QSharedMemory

executed 2 times by 1 test: return 0;

Executed by:

tst_QSharedMemory

31 } -

32 -

33 unix_key = qt_safe_ftok(QFile::encodeName(nativeKey), 'Q'); -

if (-

-1 == unix_key	Description
TRUE	never evaluated
FALSE	evaluated 3534 times by 2 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status

1 == unix_key

-1 == unix_key	Description
TRUE	never evaluated
FALSE	evaluated 3534 times by 2 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status

) {

0-3534

35 errorString = QSharedMemory::tr("%1: ftok failed").arg(QLatin1String("QSharedMemory::handle:")); -

36 error = QSharedMemory::KeyError; -

37 unix_key = 0; -

}

never executed: end of block

return

executed 3534 times by 2 tests: return unix_key;

Executed by:

tst_QSharedMemory
tst_qsharedmemory - unknown status

unix_key;

executed 3534 times by 2 tests: return unix_key;

Executed by:

tst_QSharedMemory
tst_qsharedmemory - unknown status

3534

40 } -

41 int QSharedMemoryPrivate::createUnixKeyFile(const QString &fileName) -

42 { -

43 int fd = qt_safe_open(QFile::encodeName(fileName).constData(), -

44 0200 | 0100 | 02, 0640); -

if (-

-1 == fd	Description
TRUE	evaluated 3666 times by 3 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status tst_qsystemsemaphore - unknown status
FALSE	evaluated 6986 times by 3 tests Evaluated by: tst_QSharedMemory tst_QSystemSemaphore tst_qsharedmemory - unknown status

1 == fd

-1 == fd	Description
TRUE	evaluated 3666 times by 3 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status tst_qsystemsemaphore - unknown status
FALSE	evaluated 6986 times by 3 tests Evaluated by: tst_QSharedMemory tst_QSystemSemaphore tst_qsharedmemory - unknown status

) {

3666-6986

if ((*

(*__errno_location ()) == 17	Description
TRUE	evaluated 3613 times by 3 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status tst_qsystemsemaphore - unknown status
FALSE	evaluated 53 times by 1 test Evaluated by: tst_QSharedMemory

__errno_location ()) == 17

(*__errno_location ()) == 17	Description
TRUE	evaluated 3613 times by 3 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status tst_qsystemsemaphore - unknown status
FALSE	evaluated 53 times by 1 test Evaluated by: tst_QSharedMemory

)

53-3613

return

executed 3613 times by 3 tests: return 0;

Executed by:

tst_QSharedMemory
tst_qsharedmemory - unknown status
tst_qsystemsemaphore - unknown status

executed 3613 times by 3 tests: return 0;

Executed by:

tst_QSharedMemory
tst_qsharedmemory - unknown status
tst_qsystemsemaphore - unknown status

3613

return

executed 53 times by 1 test: return -1;

Executed by:

tst_QSharedMemory

-1;

executed 53 times by 1 test: return -1;

Executed by:

tst_QSharedMemory

49 } else { -

50 close(fd); -

}

executed 6986 times by 3 tests: end of block

Executed by:

tst_QSharedMemory
tst_QSystemSemaphore
tst_qsharedmemory - unknown status

6986

return

executed 6986 times by 3 tests: return 1;

Executed by:

tst_QSharedMemory
tst_QSystemSemaphore
tst_qsharedmemory - unknown status

executed 6986 times by 3 tests: return 1;

Executed by:

tst_QSharedMemory
tst_QSystemSemaphore
tst_qsharedmemory - unknown status

6986

53 } -

54 -

55 -

56 -

57 -

58 bool QSharedMemoryPrivate::cleanHandle() -

59 { -

60 unix_key = 0; -

return

executed 14289 times by 2 tests: return true;

Executed by:

tst_QSharedMemory
tst_qsharedmemory - unknown status

true;

executed 14289 times by 2 tests: return true;

Executed by:

tst_QSharedMemory
tst_qsharedmemory - unknown status

14289

62 } -

63 -

64 bool QSharedMemoryPrivate::create(int size) -

65 { -

66 -

67 bool createdFile = false; -

68 int built = createUnixKeyFile(nativeKey); -

if (built == -1

built == -1	Description
TRUE	evaluated 53 times by 1 test Evaluated by: tst_QSharedMemory
FALSE	evaluated 3467 times by 2 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status

) {

53-3467

70 errorString = QSharedMemory::tr("%1: unable to make key").arg(QLatin1String("QSharedMemory::handle:")); -

71 error = QSharedMemory::KeyError; -

return

executed 53 times by 1 test: return false;

Executed by:

tst_QSharedMemory

false;

executed 53 times by 1 test: return false;

Executed by:

tst_QSharedMemory

73 } -

if (built == 1

built == 1	Description
TRUE	evaluated 3465 times by 2 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status
FALSE	evaluated 2 times by 1 test Evaluated by: tst_QSharedMemory

) {

2-3465

75 createdFile = true; -

}

executed 3465 times by 2 tests: end of block

Executed by:

tst_QSharedMemory
tst_qsharedmemory - unknown status

3465

77 -

78 -

if (!handle()

!handle()	Description
TRUE	never evaluated
FALSE	evaluated 3467 times by 2 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status

) {

0-3467

if (createdFile

createdFile	Description
TRUE	never evaluated
FALSE	never evaluated

)

QFile::remove(nativeKey);

never executed: QFile::remove(nativeKey);

return

never executed: return false;

false;

never executed: return false;

83 } -

84 -

85 -

if (-

-1 == shmget(u...01000 \| 02000)	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_QSharedMemory
FALSE	evaluated 3465 times by 2 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status

1 == shmget(unix_key, size, 0600 | 01000 | 02000)

-1 == shmget(u...01000 \| 02000)	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_QSharedMemory
FALSE	evaluated 3465 times by 2 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status

) {

2-3465

87 const QLatin1String function("QSharedMemory::create"); -

88 switch ((*__errno_location ())) { -

case

never executed: case 22:

22:

never executed: case 22:

90 errorString = QSharedMemory::tr("%1: system-imposed size restrictions").arg(QLatin1String("QSharedMemory::handle")); -

91 error = QSharedMemory::InvalidSize; -

break;

never executed: break;

default

executed 2 times by 1 test: default:

Executed by:

tst_QSharedMemory

executed 2 times by 1 test: default:

Executed by:

tst_QSharedMemory

94 setErrorString(function); -

}

executed 2 times by 1 test: end of block

Executed by:

tst_QSharedMemory

if (createdFile

createdFile	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: tst_QSharedMemory

&& error != QSharedMemory::AlreadyExists

error != QShar...:AlreadyExists	Description
TRUE	never evaluated
FALSE	never evaluated

)

0-2

QFile::remove(nativeKey);

never executed: QFile::remove(nativeKey);

return

executed 2 times by 1 test: return false;

Executed by:

tst_QSharedMemory

false;

executed 2 times by 1 test: return false;

Executed by:

tst_QSharedMemory

99 } -

100 -

101

return

executed 3465 times by 2 tests: return true;

Executed by:

tst_QSharedMemory
tst_qsharedmemory - unknown status

true;

executed 3465 times by 2 tests: return true;

Executed by:

tst_QSharedMemory
tst_qsharedmemory - unknown status

3465

102 } -

103 -

104 bool QSharedMemoryPrivate::attach(QSharedMemory::AccessMode mode) -

105 { -

106 -

107 int id = shmget(unix_key, 0, (mode == QSharedMemory::ReadOnly ? 0400 : 0600)); -

108

if (-

-1 == id	Description
TRUE	never evaluated
FALSE	evaluated 3532 times by 2 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status

1 == id

-1 == id	Description
TRUE	never evaluated
FALSE	evaluated 3532 times by 2 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status

) {

0-3532

109 setErrorString(QLatin1String("QSharedMemory::attach (shmget)")); -

110

return

never executed: return false;

false;

never executed: return false;

111 } -

112 -

113 -

114 memory = shmat(id, 0, (mode == QSharedMemory::ReadOnly ? 010000 : 0)); -

115

if ((

(void*) - 1 == memory	Description
TRUE	never evaluated
FALSE	evaluated 3532 times by 2 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status

void*) - 1 == memory

(void*) - 1 == memory	Description
TRUE	never evaluated
FALSE	evaluated 3532 times by 2 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status

) {

0-3532

116 memory = 0; -

117 setErrorString(QLatin1String("QSharedMemory::attach (shmat)")); -

118

return

never executed: return false;

false;

never executed: return false;

119 } -

120 -

121 -

122 shmid_ds shmid_ds; -

123

if (!shmctl(id, 2, &shmid_ds)

!shmctl(id, 2, &shmid_ds)	Description
TRUE	evaluated 3532 times by 2 tests Evaluated by: tst_QSharedMemory tst_qsharedmemory - unknown status
FALSE	never evaluated

) {

0-3532

124 size = (int)shmid_ds.shm_segsz; -

125

}

executed 3532 times by 2 tests: end of block

Executed by:

tst_QSharedMemory
tst_qsharedmemory - unknown status

else {

3532

126 setErrorString(QLatin1String("QSharedMemory::attach (shmctl)")); -

127

return

never executed: return false;

false;

never executed: return false;

128 } -

129 -

130

return

executed 3532 times by 2 tests: return true;

Executed by:

tst_QSharedMemory
tst_qsharedmemory - unknown status

true;

executed 3532 times by 2 tests: return true;

Executed by:

tst_QSharedMemory
tst_qsharedmemory - unknown status

3532

131 } -

132 -

133 bool QSharedMemoryPrivate::detach() -

134 { -

135 -

136

if (-

-1 == shmdt(memory)	Description
TRUE	never evaluated
FALSE	evaluated 3531 times by 1 test Evaluated by: tst_QSharedMemory

1 == shmdt(memory)

-1 == shmdt(memory)	Description
TRUE	never evaluated
FALSE	evaluated 3531 times by 1 test Evaluated by: tst_QSharedMemory

) {

0-3531

137 const QLatin1String function("QSharedMemory::detach"); -

138 switch ((*__errno_location ())) { -

139

case

never executed: case 22:

22:

never executed: case 22:

140 errorString = QSharedMemory::tr("%1: not attached").arg(function); -

141 error = QSharedMemory::NotFound; -

142

break;

never executed: break;

143

default

never executed: default:

144 setErrorString(function); -

145

}

never executed: end of block

146

return

never executed: return false;

false;

never executed: return false;

147 } -

148 memory = 0; -

149 size = 0; -

150 -

151 -

152 int id = shmget(unix_key, 0, 0400); -

153 cleanHandle(); -

154 -

155 struct shmid_ds shmid_ds; -

156

if (0 != shmctl(id, 2, &shmid_ds)

0 != shmctl(id, 2, &shmid_ds)	Description
TRUE	never evaluated
FALSE	evaluated 3531 times by 1 test Evaluated by: tst_QSharedMemory

) {

0-3531

157 switch ((*__errno_location ())) { -

158

case

never executed: case 22:

22:

never executed: case 22:

159

return

never executed: return true;

true;

never executed: return true;

160

default

never executed: default:

161

return

never executed: return false;

false;

never executed: return false;

162 } -

163 } -

164 -

165

if (shmid_ds.shm_nattch == 0

shmid_ds.shm_nattch == 0	Description
TRUE	evaluated 3465 times by 1 test Evaluated by: tst_QSharedMemory
FALSE	evaluated 66 times by 1 test Evaluated by: tst_QSharedMemory

) {

66-3465

166 -

167

if (-

-1 == shmctl(id, 0, &shmid_ds)	Description
TRUE	never evaluated
FALSE	evaluated 3465 times by 1 test Evaluated by: tst_QSharedMemory

1 == shmctl(id, 0, &shmid_ds)

-1 == shmctl(id, 0, &shmid_ds)	Description
TRUE	never evaluated
FALSE	evaluated 3465 times by 1 test Evaluated by: tst_QSharedMemory

) {

0-3465

168 setErrorString(QLatin1String("QSharedMemory::remove")); -

169 switch ((*__errno_location ())) { -

170

case

never executed: case 22:

22:

never executed: case 22:

171

return

never executed: return true;

true;

never executed: return true;

172

default

never executed: default:

173

return

never executed: return false;

false;

never executed: return false;

174 } -

175 } -

176 -

177 -

178

if (!QFile::remove(nativeKey)

!QFile::remove(nativeKey)	Description
TRUE	never evaluated
FALSE	evaluated 3465 times by 1 test Evaluated by: tst_QSharedMemory

)

0-3465

179

return

never executed: return false;

false;

never executed: return false;

180

}

executed 3465 times by 1 test: end of block

Executed by:

tst_QSharedMemory

3465

181

return

executed 3531 times by 1 test: return true;

Executed by:

tst_QSharedMemory

true;

executed 3531 times by 1 test: return true;

Executed by:

tst_QSharedMemory

3531

182 } -

183 -

184 -

185 -

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