std::shared_lock::lock
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_lock | tries to lock the associated mutex (public member function) |
|---|---|
unlock | unlocks the associated mutex (public member function) |
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