ASSERT: “copy“ in file thread\qmutex.cpp, line 608

问题:
使用QWaitCondition时,输出错误信息:
ASSERT: “copy” in file thread\qmutex.cpp, line 608

解决办法:

    m_mutex.lock();         // 增加这行
    m_waitCond.wait(&m_mutex);

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