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49 ****************************************************************************/
50
51 //! [0]
52 QReadWriteLock lock;
53
run()54 void ReaderThread::run()
55 {
56 ...
57 lock.lockForRead();
58 read_file();
59 lock.unlock();
60 ...
61 }
62
run()63 void WriterThread::run()
64 {
65 ...
66 lock.lockForWrite();
67 write_file();
68 lock.unlock();
69 ...
70 }
71 //! [0]
72
73
74 //! [1]
75 QReadWriteLock lock;
76
readData()77 QByteArray readData()
78 {
79 QReadLocker locker(&lock);
80 ...
81 return data;
82 }
83 //! [1]
84
85
86 //! [2]
87 QReadWriteLock lock;
88
readData()89 QByteArray readData()
90 {
91 lock.lockForRead();
92 ...
93 lock.unlock();
94 return data;
95 }
96 //! [2]
97
98
99 //! [3]
100 QReadWriteLock lock;
101
writeData(const QByteArray & data)102 void writeData(const QByteArray &data)
103 {
104 QWriteLocker locker(&lock);
105 ...
106 }
107 //! [3]
108
109
110 //! [4]
111 QReadWriteLock lock;
112
writeData(const QByteArray & data)113 void writeData(const QByteArray &data)
114 {
115 lock.lockForWrite();
116 ...
117 lock.unlock();
118 }
119 //! [4]
120