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Source at commit 1322 created 12 years 8 months ago. By meklort, Add doxygen to utils folder | |
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1 | /****************************************************************************␊ |
2 | **␊ |
3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).␊ |
4 | ** Contact: Nokia Corporation (qt-info@nokia.com)␊ |
5 | **␊ |
6 | ** This file is part of the QtCore module of the Qt Toolkit.␊ |
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40 | ****************************************************************************/␊ |
41 | ␊ |
42 | #ifndef QMUTEX_P_H␊ |
43 | #define QMUTEX_P_H␊ |
44 | ␊ |
45 | #include "qglobal.h"␊ |
46 | ␊ |
47 | #if defined(_OS_UNIX_) || defined(_OS_MAC_)␊ |
48 | #include <pthread.h>␊ |
49 | #elif defined(_OS_WIN32_)␊ |
50 | #include <windows.h>␊ |
51 | #endif␊ |
52 | ␊ |
53 | class QAtomicInt␊ |
54 | {␊ |
55 | public:␊ |
56 | QAtomicInt(int v=0) : m_value(v) {}␊ |
57 | bool testAndSet(int expectedValue,int newValue);␊ |
58 | int fetchAndAdd(int valueToAdd);␊ |
59 | operator int () const { return m_value; }␊ |
60 | bool operator==(int value) const { return m_value == value; }␊ |
61 | bool operator!=(int value) const { return m_value != value; }␊ |
62 | bool operator!() const { return m_value == 0; }␊ |
63 | ␊ |
64 | private:␊ |
65 | volatile int m_value;␊ |
66 | };␊ |
67 | ␊ |
68 | class QMutexPrivate␊ |
69 | {␊ |
70 | public:␊ |
71 | QMutexPrivate();␊ |
72 | ~QMutexPrivate();␊ |
73 | ␊ |
74 | void wait();␊ |
75 | void wakeUp();␊ |
76 | ␊ |
77 | QAtomicInt contenders;␊ |
78 | ␊ |
79 | #if defined(_OS_UNIX_) || defined(_OS_MAC_)␊ |
80 | volatile bool wakeup;␊ |
81 | pthread_mutex_t mutex;␊ |
82 | pthread_cond_t cond;␊ |
83 | #elif defined(_OS_WIN32_)␊ |
84 | HANDLE event;␊ |
85 | #else␊ |
86 | #error "unsupported platform"␊ |
87 | #endif␊ |
88 | };␊ |
89 | ␊ |
90 | #endif // QMUTEX_P_H␊ |
91 |