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39
40#ifndef QWAITCONDITION_H
41#define QWAITCONDITION_H
42
43#include <QtCore/qglobal.h>
44
45#include <limits.h>
46
47QT_BEGIN_NAMESPACE
48
49#if QT_CONFIG(thread)
50
51class QDeadlineTimer;
52class QWaitConditionPrivate;
53class QMutex;
54class QReadWriteLock;
55
56class Q_CORE_EXPORT QWaitCondition
57{
58public:
59 QWaitCondition();
60 ~QWaitCondition();
61
62 // ### Qt 6: remove unsigned long overloads
63 bool wait(QMutex *lockedMutex, unsigned long time = ULONG_MAX);
64 bool wait(QMutex *lockedMutex, QDeadlineTimer deadline);
65 bool wait(QReadWriteLock *lockedReadWriteLock, unsigned long time = ULONG_MAX);
66 bool wait(QReadWriteLock *lockedReadWriteLock, QDeadlineTimer deadline);
67
68 void wakeOne();
69 void wakeAll();
70
71 void notify_one() { wakeOne(); }
72 void notify_all() { wakeAll(); }
73
74private:
75 Q_DISABLE_COPY(QWaitCondition)
76
77 QWaitConditionPrivate * d;
78};
79
80#else
81
82class QMutex;
83class Q_CORE_EXPORT QWaitCondition
84{
85public:
86 QWaitCondition() {}
87 ~QWaitCondition() {}
88
89 bool wait(QMutex *mutex, unsigned long time = ULONG_MAX)
90 {
91 Q_UNUSED(mutex);
92 Q_UNUSED(time);
93 return true;
94 }
95
96 void wakeOne() {}
97 void wakeAll() {}
98};
99
100#endif // QT_CONFIG(thread)
101
102QT_END_NAMESPACE
103
104#endif // QWAITCONDITION_H
105