Qt 4.8
qatomic_bootstrap.h
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41 
42 #ifndef QATOMIC_BOOTSTRAP_H
43 #define QATOMIC_BOOTSTRAP_H
44 
46 
48 
49 inline bool QBasicAtomicInt::ref()
50 {
51  return ++_q_value != 0;
52 }
53 
54 inline bool QBasicAtomicInt::deref()
55 {
56  return --_q_value != 0;
57 }
58 
59 inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
60 {
61  if (_q_value == expectedValue) {
62  _q_value = newValue;
63  return true;
64  }
65  return false;
66 }
67 
68 inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
69 {
70  return testAndSetOrdered(expectedValue, newValue);
71 }
72 
73 inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
74 {
75  return testAndSetOrdered(expectedValue, newValue);
76 }
77 
78 inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
79 {
80  int returnValue = _q_value;
81  _q_value += valueToAdd;
82  return returnValue;
83 }
84 
85 template <typename T>
86 Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
87 {
88  if (_q_value == expectedValue) {
89  _q_value = newValue;
90  return true;
91  }
92  return false;
93 }
94 
96 
98 
99 #endif // QATOMIC_BOOTSTRAP_H
volatile int _q_value
Definition: qbasicatomic.h:64
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
bool testAndSetOrdered(T *expectedValue, T *newValue)
bool testAndSetAcquire(int expectedValue, int newValue)
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
#define Q_INLINE_TEMPLATE
Definition: qglobal.h:1713
bool testAndSetOrdered(int expectedValue, int newValue)
bool testAndSetRelease(int expectedValue, int newValue)
int fetchAndAddRelaxed(int valueToAdd)
#define QT_END_HEADER
Definition: qglobal.h:137