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std::condition_variable:: ~condition_variable

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std::condition_variable
~condition_variable ( ) ;
(自 C++11 起)

销毁类型为 std::condition_variable 的对象。

注释

只有在所有线程都已被通知的情况下调用析构函数才是安全的。不要求这些线程必须已退出各自的等待函数：某些线程可能仍在等待重新获取关联的锁，或在重新获取锁后等待被调度运行。

程序员必须确保一旦析构函数开始执行，任何线程都不能再尝试等待 * this ，特别是当等待线程正在循环中调用等待函数，或使用带有谓词参数的等待函数重载时。

参见

C 文档 关于 cnd_destroy