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std::mutex:: mutex

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std::mutex
constexpr mutex ( ) noexcept ;
(1) (自 C++11 起)
mutex ( const mutex & ) = delete ;
(2) (自 C++11 起)
1) 构造互斥量。构造函数完成后互斥量处于未锁定状态。
2) 复制构造函数被删除。

参数

(无)

注释

由于默认构造函数是 constexpr ，静态互斥锁会作为 静态非局部初始化 的一部分进行初始化，该过程在任何动态非局部初始化开始之前完成。这使得在任何静态对象的构造函数中锁定互斥锁都是安全的。

另请参阅

C 文档 关于 mtx_init