std::atomic_flag::clear
STD：：原子[医]旗帜：清空
| Defined in header | | |
|---|---|---|
| void clear( std::memory_order order = std::memory_order_seq_cst ) volatile; | (1) | (since C++11) |
| void clear( std::memory_order order = std::memory_order_seq_cst | (2) | (since C++11) |
原子地更改std::atomic_flag清除%28false29%。
参数
| order | - | the memory synchronization ordering for this operation (cannot be std::memory_order_consume, std::memory_order_acquire, or std::memory_order_acq_rel) |
|---|
例外
noexcept规格：
noexcept
另见
| test_and_set | atomically sets the flag to true and obtains its previous value (public member function) |
|---|---|
| atomic_flag_clearatomic_flag_clear_explicit (C++11)(C++11) | atomically sets the value of the flag to false (function) |
| memory_order (C++11) | defines memory ordering constraints for the given atomic operation (typedef) |
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