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std:: cv_status

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定义于头文件 <condition_variable>
enum class cv_status {

no_timeout,
timeout

} ;
(C++11 起)

作用域枚举类型 std::cv_status 用于描述定时等待是否因超时而返回。

std::cv_status 用于 std::condition_variable 和 std::condition_variable_any 的 wait_for 与 wait_until 成员函数。

成员常量

枚举值 含义
no_timeout 条件变量通过 notify_all 、 notify_one 或虚假唤醒被激活
timeout 条件变量因超时到期被激活

参见

阻塞当前线程，直到条件变量被唤醒或超过指定的超时时长
( std::condition_variable 的公开成员函数)
阻塞当前线程，直到条件变量被唤醒或超过指定的超时时长
( std::condition_variable_any 的公开成员函数)
阻塞当前线程，直到条件变量被唤醒或到达指定时间点
( std::condition_variable 的公开成员函数)
阻塞当前线程，直到条件变量被唤醒或到达指定时间点
( std::condition_variable_any 的公开成员函数)