QReadWriteLock
最后更新于：2022-04-02 02:12:58
[TOC]
## QReadWriteLock
```
QReadWriteLock lock;
void ReaderThread::run()
{
...
lock.lockForRead();
read_file();
lock.unlock();
...
}
void WriterThread::run()
{
...
lock.lockForWrite();
write_file();
lock.unlock();
...
}
```
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