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+ 最終更新日時(UTC):
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+ < span itemprop ="datePublished " content ="2025-06-01T08:08:40 ">
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+ 2025年06月01日 08時08分40秒
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+ < span class ="fa fa-fw fa-clock-o fa-flip-horizontal "> </ span > 履歴
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+
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+ < div class ="identifier-type "> enum</ div > < div class ="header "> <execution></ div > < h1 itemprop ="name "> < span class ="namespace " title ="namespace std::execution "> std::execution::</ span > < span class ="token "> forward_progress_guarantee</ 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 ="o "> ::</ span > < span class ="n "> execution</ span > < span class ="p "> {</ span >
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+ < span class ="k "> enum</ span > < span class ="k "> class</ span > < span class ="nc "> forward_progress_guarantee</ span > < span class ="p "> {</ span >
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+ < span class ="n "> concurrent</ span > < span class ="p "> ,</ span >
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+ < span class ="n "> parallel</ span > < span class ="p "> ,</ span >
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+ < span class ="n "> weakly_parallel</ span >
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+ < 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 > < a href ="scheduler.html "> Scheduler</ a > に関連付けられた実行リソースに属する実行エージェントの、前方進行保証(forward progress guarantees)レベルを表現する列挙型。</ p >
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+ < table border ="1 " bordercolor ="#888 " style ="border-collapse:collapse ">
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+ < thead >
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+ < tr >
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+ < th > 列挙子</ th >
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+ < th > 前方進行保証レベル</ th >
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+ </ tr >
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+ </ thead >
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+ < tbody >
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+ < tr >
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+ < td > < code > concurrent</ code > </ td >
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+ < td > 全ての実行エージェントが並行前方進行保証(concurrent forward progress guarantees)を提供する</ td >
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+ </ tr >
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+ < tr >
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+ < td > < code > parallel</ code > </ td >
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+ < td > 全ての実行エージェントが少なくとも並列前方進行保証(parallel forward progress guarantees)を提供する</ td >
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+ </ tr >
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+ < tr >
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+ < td > < code > weakly_parallel</ code > </ td >
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+ < td > 弱い並列前方進行保証(weakly parallel forward progress guarantees)となる</ td >
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+ </ tr >
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+ </ tbody >
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+ </ table >
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+ < p > < code > concurrent</ code > が最も強い前方進行保証を与え、< code > parallel</ code > 、< code > weakly_parallel</ code > の順に前方進行保証が弱くなる。</ p >
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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 ="get_forward_progress_guarantee.html "> execution::get_forward_progress_guarantee</ 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://www.open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2300r10.html " target ="_blank "> P2300R10 < code > std::execution</ code > </ a > </ li >
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