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39
40#ifndef QWAITCONDITION_H
41#define QWAITCONDITION_H
42
43#include <QtCore/QDeadlineTimer>
44
45QT_BEGIN_NAMESPACE
46
47#if QT_CONFIG(thread)
48
49class QWaitConditionPrivate;
50class QMutex;
51class QReadWriteLock;
52
53class Q_CORE_EXPORT QWaitCondition
54{
55public:
56 QWaitCondition();
57 ~QWaitCondition();
58
59 bool wait(QMutex *lockedMutex,
60 QDeadlineTimer deadline = QDeadlineTimer(QDeadlineTimer::Forever));
61 bool wait(QMutex *lockedMutex, unsigned long time);
62
63 bool wait(QReadWriteLock *lockedReadWriteLock,
64 QDeadlineTimer deadline = QDeadlineTimer(QDeadlineTimer::Forever));
65 bool wait(QReadWriteLock *lockedReadWriteLock, unsigned long time);
66
67 void wakeOne();
68 void wakeAll();
69
70 void notify_one() { wakeOne(); }
71 void notify_all() { wakeAll(); }
72
73private:
74 Q_DISABLE_COPY(QWaitCondition)
75
76 QWaitConditionPrivate * d;
77};
78
79#else
80
81class QMutex;
82class QReadWriteLock;
83
84class Q_CORE_EXPORT QWaitCondition
85{
86public:
87 QWaitCondition() {}
88 ~QWaitCondition() {}
89
90 bool wait(QMutex *, QDeadlineTimer = QDeadlineTimer(QDeadlineTimer::Forever))
91 { return true; }
92 bool wait(QReadWriteLock *, QDeadlineTimer = QDeadlineTimer(QDeadlineTimer::Forever))
93 { return true; }
94 bool wait(QMutex *, unsigned long) { return true; }
95 bool wait(QReadWriteLock *, unsigned long) { return true; }
96
97 void wakeOne() {}
98 void wakeAll() {}
99
100 void notify_one() { wakeOne(); }
101 void notify_all() { wakeAll(); }
102};
103
104#endif // QT_CONFIG(thread)
105
106QT_END_NAMESPACE
107
108#endif // QWAITCONDITION_H
109

source code of qtbase/src/corelib/thread/qwaitcondition.h