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std::atomic_ref<T>:: load

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Constants
value_type load ( std:: memory_order order =
std:: memory_order_seq_cst ) const noexcept ;
(C++26以降 constexpr)

参照先オブジェクトの現在値をアトミックに読み込み返却します。メモリへの影響は order の値に従って決定されます。

order が std:: memory_order_relaxed 、 std:: memory_order_consume 、 std:: memory_order_acquire または std:: memory_order_seq_cst でない場合、動作は未定義です。

パラメータ

order - 強制するメモリ順序制約

戻り値

参照先オブジェクトの現在値。

関連項目

参照先オブジェクトから値をロードする
(公開メンバ関数)