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+ < span itemprop ="name "> rcu_barrier</ span >
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+ 最終更新日時(UTC):
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+ < span itemprop ="datePublished " content ="2025-02-05T10:01:51 ">
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+ 2025年02月05日 10時01分51秒
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+ が更新
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+ < a class ="history " target ="_blank " href ="https://github.com/cpprefjp/site/commits/master/reference/rcu/rcu_barrier.md ">
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+ < span class ="fa fa-fw fa-clock-o fa-flip-horizontal "> </ span > 履歴
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+ </ a >
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+ < a class ="edit " target ="_blank " href ="https://github.com/cpprefjp/site/edit/master/reference/rcu/rcu_barrier.md ">
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+ < span class ="fa fa-fw fa-pencil "> </ span > 編集
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+ </ p >
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+ </ div >
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+ </ div >
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+ < div class ="row ">
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+ < div class ="col-sm-12 content-body ">
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+
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+ < div class ="identifier-type "> function</ div > < div class ="header "> <rcu></ div > < h1 itemprop ="name "> < span class ="namespace " title ="namespace std "> std::</ span > < span class ="token "> rcu_barrier</ span > < span class ="cpp cpp26 " title ="C++26で追加 "> (C++26)</ span > </ h1 >
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+ < div itemprop ="articleBody "> < p > < div class ="codehilite "> < pre > < span > </ span > < code > < span class ="k "> namespace</ span > < span class ="n "> std</ span > < span class ="p "> {</ span >
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+ < span class ="kt "> void</ span > < span class ="n "> rcu_barrier</ span > < span class ="p "> (</ span > < span class ="n "> < a href ="rcu_domain.html "> rcu_domain</ a > </ span > < span class ="o "> &</ span > < span class ="n "> dom</ span > < span class ="o "> =</ span > < span class ="n "> < a href ="rcu_default_domain.html "> rcu_default_domain</ a > </ span > < span class ="p "> ())</ span > < span class ="k "> noexcept</ span > < span class ="p "> ;</ span >
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+ < span class ="p "> }</ span >
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+ </ code > </ pre > </ div >
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+ </ p >
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+ < h2 > 概要</ h2 >
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+ < p > スケジュールされたメモリ回収操作の完了を待機する。</ p >
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+ < h2 > 効果</ h2 >
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+ < p > RCUドメイン< code > dom</ code > 上でスケジュールされた回収操作を評価する可能性がある。
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+ < code > rcu_barrier</ code > 呼び出し< a class ="cpprefjp-defined-word " data-desc ="happens before。(異なるスレッド間の) 2つの操作の実行順序を規定する関係 "> よりも前に発生する</ a > 評価で、かつ< code > dom</ code > 上での操作< code > E</ code > をスケジュールする評価については、< code > E</ code > が評価されるまでブロックする。</ p >
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+ < h2 > < a class ="cpprefjp-defined-word " data-desc ="マルチスレッド実行時にリソースの所有権に基づいて実行順序を制御する操作 "> 同期操作</ a > </ h2 >
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+ < p > < code > E</ code > のあらゆる評価は、< code > rcu_barrier</ code > からの戻り< a class ="cpprefjp-defined-word " data-desc ="strongly happens before。(異なるスレッド間の) 2つの操作の実行順序を規定する強い関係 "> よりも確実に前に発生する</ a > 。</ p >
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+ < h2 > < a class ="cpprefjp-defined-word " data-desc ="関数呼び出し式の評価結果となるオブジェクト・値 "> 戻り値</ a > </ h2 >
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+ < p > なし</ p >
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+ < h2 > < a class ="cpprefjp-defined-word " data-desc ="問題が発生したときに、現在実行位置を過去に通過・記録した位置に戻し、文脈情報を添えて紐づけられた処理(例外ハンドラー)を呼び出す仕組み。またはその事態 "> 例外</ a > </ h2 >
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+ < p > 投げない</ p >
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+ < h2 > 備考</ h2 >
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+ < p > < code > rcu_barrier</ code > 呼び出しは、暗黙に< code > < a href ="rcu_synchronize.html "> rcu_synchronize</ a > </ code > を呼ばない。</ p >
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+ < h2 > バージョン</ h2 >
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+ < h3 > 言語</ h3 >
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+ < ul >
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+ < li > C++26</ li >
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+ </ ul >
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+ < h3 > 処理系</ h3 >
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+ < ul >
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+ < li > < a href ="../../implementation.html#clang "> Clang</ a > : ??</ li >
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+ < li > < a href ="../../implementation.html#gcc "> GCC</ a > : ??</ li >
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+ < li > < a href ="../../implementation.html#icc "> ICC</ a > : ??</ li >
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+ < li > < a href ="../../implementation.html#visual_cpp "> Visual C++</ a > : ??</ li >
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+ </ ul >
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+ < h2 > 関連項目</ h2 >
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+ < ul >
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+ < li > < code > < a href ="rcu_retire.html "> rcu_retire</ a > </ code > </ li >
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+ < li > < code > < a href ="rcu_obj_base/retire.html "> rcu_obj_base::retire</ a > </ code > </ li >
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+ </ ul >
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+ < h2 > 参照</ h2 >
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+ < ul >
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+ < li > < a href ="https://open-std.org/jtc1/sc22/wg21/docs/papers/2023/p2545r4.pdf " target ="_blank "> P2545R4 Read-Copy Update(RCU)</ a > </ li >
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