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std::shared_lock::lock

STD：：共享[医]锁：：锁

void lock(​(since C++14)

将关联的互斥锁在共享模式下。有效呼叫mutex()->lock_shared()...

参数

%280%29

返回值

%280%29

例外

  • 引发的任何异常mutex()->lock_shared()

  • 如果没有关联的互斥，std::system_error错误代码为std::errc::operation_not_permitted

  • 如果关联的互斥对象已经被shared_lock28%，即，拥有[医]锁回报true%29，std::system_error错误代码为std::errc::resource_deadlock_would_occur

例

另见

try_locktries to lock the associated mutex (public member function)
unlockunlocks the associated mutex (public member function)

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