Qt 4.8
qmutex_p.h
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41 
42 #ifndef QMUTEX_P_H
43 #define QMUTEX_P_H
44 
45 //
46 // W A R N I N G
47 // -------------
48 //
49 // This file is not part of the Qt API. It exists for the convenience
50 // of qmutex.cpp, qmutex_unix.cpp, and qmutex_win.cpp. This header
51 // file may change from version to version without notice, or even be
52 // removed.
53 //
54 // We mean it.
55 //
56 
57 #include <QtCore/qglobal.h>
58 #include <QtCore/qnamespace.h>
59 #include <QtCore/qmutex.h>
60 
61 #if defined(Q_OS_SYMBIAN)
62 # include <e32std.h>
63 #endif
64 
66 
67 class QMutexPrivate : public QMutexData {
68 public:
71 
72  bool wait(int timeout = -1);
73  void wakeUp();
74 
75  // 1ms = 1000000ns
76  enum { MaximumSpinTimeThreshold = 1000000 };
81 
82 #if defined(Q_OS_UNIX) && (!defined(Q_OS_LINUX) || defined(QT_LINUXBASE)) && !defined(Q_OS_SYMBIAN)
83  volatile bool wakeup;
84  pthread_mutex_t mutex;
85  pthread_cond_t cond;
86 #elif defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
88 #elif defined(Q_OS_SYMBIAN)
89  RSemaphore lock;
90 #endif
91 };
92 
94  : recursive(mode == QMutex::Recursive)
95 {}
96 
98 
100 
101 #endif // QMUTEX_P_H
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
The QMutex class provides access serialization between threads.
Definition: qmutex.h:60
QMutexData(QMutex::RecursionMode mode)
Definition: qmutex_p.h:93
bool wait(int timeout=-1)
volatile qint64 maximumSpinTime
Definition: qmutex_p.h:77
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
unsigned int uint
Definition: qglobal.h:996
__int64 qint64
Definition: qglobal.h:942
void * HANDLE
Definition: qnamespace.h:1671
const uint recursive
Definition: qmutex.h:159
RecursionMode
Definition: qmutex.h:66
HANDLE event
Definition: qmutex_p.h:87
~QMutexData()
Definition: qmutex_p.h:97
volatile qint64 averageWaitTime
Definition: qmutex_p.h:78
static QReadWriteLock lock
Definition: proxyconf.cpp:399
uint count
Definition: qmutex_p.h:80
QMutexPrivate(QMutex::RecursionMode mode)
Definition: qmutex_unix.cpp:77
Qt::HANDLE owner
Definition: qmutex_p.h:79