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std::shared_timed_mutex::try_lock_shared

STD：：共享[医]定时[医]互斥：：尝试[医]锁[医]共享

bool try_lock_shared(​(since C++14)

尝试将互斥锁在共享模式下。马上回来。关于成功锁定获取返回true，否则返回false...

此函数允许伪造失败并返回。false即使互斥锁不被任何其他线程单独锁定。

优先unlock()对同一个互斥体的操作同步性中定义的28名ASstd::memory_order%29如果返回此操作true...

如果调用线程已经在任何模式下拥有互斥对象，则该行为是未定义的。

参数

%280%29

返回值

true如果成功获取锁，则为false...

例外

%280%29

例

另见

locklocks the mutex, blocks if the mutex is not available (public member function)
try_lock_sharedtries to lock the mutex for shared ownership, returns if the mutex is not available (public member function)
unlock_sharedunlocks the mutex (shared ownership) (public member function)

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