{"id":1880,"date":"2025-03-24T08:49:43","date_gmt":"2025-03-23T23:49:43","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=1880"},"modified":"2025-03-24T08:49:43","modified_gmt":"2025-03-23T23:49:43","slug":"%e3%80%90%e4%bf%9d%e5%ad%98%e7%89%88%e3%80%91c%e3%82%b9%e3%83%ac%e3%83%83%e3%83%89%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89%ef%bc%9a%e4%b8%a6%e8%a1%8c%e5%87%a6%e7%90%86%e3%81%ae%e5%ae%9f","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=1880","title":{"rendered":"\u3010\u4fdd\u5b58\u7248\u3011C++\u30b9\u30ec\u30c3\u30c9\u5b8c\u5168\u30ac\u30a4\u30c9\uff1a\u4e26\u884c\u51e6\u7406\u306e\u5b9f\u88c5\u304b\u3089\u6700\u9069\u5316\u307e\u3067"},"content":{"rendered":"\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"\u76ee\u6b21\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">C++\u3067\u306e\u30b9\u30ec\u30c3\u30c9\u5b9f\u88c5\u306e\u57fa\u790e\u77e5\u8b58<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">std::thread\u30af\u30e9\u30b9\u306e\u7279\u5fb4\u3068\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/a>      <\/li>      <li>        <a href=\"#i-2\">\u30b9\u30ec\u30c3\u30c9\u306e\u4f5c\u6210\u3068\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u7ba1\u7406\u306e\u91cd\u8981\u6027<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-3\">\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u306a\u30b3\u30fc\u30c9\u4f5c\u6210\u306e\u539f\u5247<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-4\">\u5b9f\u8df5\u7684\u306a\u30b9\u30ec\u30c3\u30c9\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u624b\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-5\">\u30c7\u30fc\u30bf\u7af6\u5408\u3092\u9632\u3050\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u306e\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-6\">\u6761\u4ef6\u5909\u6570\u3092\u4f7f\u7528\u3057\u305f\u52b9\u7387\u7684\u306a\u540c\u671f\u51e6\u7406<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-7\">\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u306b\u3088\u308b\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u6700\u9069\u5316<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-8\">\u9ad8\u5ea6\u306a\u30b9\u30ec\u30c3\u30c9\u5236\u5fa1\u30c6\u30af\u30cb\u30c3\u30af<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-9\">future\/promise\u306b\u3088\u308b\u975e\u540c\u671f\u51e6\u7406\u306e\u5b9f\u88c5<\/a>      <\/li>      <li>        <a href=\"#i-10\">atomic\u578b\u3092\u6d3b\u7528\u3057\u305f\u30ed\u30c3\u30af\u30d5\u30ea\u30fc\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-11\">\u30e1\u30e2\u30ea\u30e2\u30c7\u30eb\u3068\u30b9\u30ec\u30c3\u30c9\u306e\u76f8\u4e92\u4f5c\u7528\u306e\u7406\u89e3<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-12\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u3068\u30c7\u30d0\u30c3\u30b0<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-13\">\u30b9\u30ec\u30c3\u30c9\u51e6\u7406\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u7279\u5b9a\u3068\u89e3\u6c7a\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-14\">\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u9632\u6b62\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-15\">\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30c7\u30d0\u30c3\u30b0\u6280\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-16\">\u5b9f\u8df5\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3068\u5b9f\u88c5\u4f8b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-17\">\u4e26\u5217\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u52b9\u7387\u7684\u306a\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-18\">\u975e\u540c\u671fI\/O\u51e6\u7406\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-19\">\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30b7\u30b9\u30c6\u30e0\u3067\u306e\u30b9\u30ec\u30c3\u30c9\u6d3b\u7528\u4e8b\u4f8b<\/a>      <\/li>    <\/ul>  <\/li><\/ul>\n      <a href=\"#\" class=\"sgb-toc-button js-toc-button\" rel=\"nofollow\" data-open-dialog=\"true\"><i class=\"fa fa-list\"><\/i><span class=\"sgb-toc-button__text\">\u76ee\u6b21\u3078<\/span><\/a>\n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">C++\u3067\u306e\u30b9\u30ec\u30c3\u30c9\u5b9f\u88c5\u306e\u57fa\u790e\u77e5\u8b58<\/h2>\n\n\n\n<p>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306f\u73fe\u4ee3\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306b\u304a\u3044\u3066\u4e0d\u53ef\u6b20\u306a\u30b9\u30ad\u30eb\u3067\u3059\u3002C++11\u4ee5\u964d\u3067\u5c0e\u5165\u3055\u308c\u305f\u6a19\u6e96\u30b9\u30ec\u30c3\u30c9\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306a\u4e26\u884c\u51e6\u7406\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">std::thread\u30af\u30e9\u30b9\u306e\u7279\u5fb4\u3068\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<p>std::thread\u306f\u3001C++\u306e\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u63d0\u4f9b\u3055\u308c\u308b\u57fa\u672c\u7684\u306a\u30b9\u30ec\u30c3\u30c9\u7ba1\u7406\u30af\u30e9\u30b9\u3067\u3059\u3002\u4ee5\u4e0b\u306b\u57fa\u672c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\u3068\u6ce8\u610f\u70b9\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;iostream&gt;\n#include &lt;thread&gt;\n#include &lt;vector&gt;\n\n\/\/ \u30b9\u30ec\u30c3\u30c9\u3067\u5b9f\u884c\u3059\u308b\u95a2\u6570\nvoid worker_function(int id) {\n    std::cout &lt;&lt; \"Worker \" &lt;&lt; id &lt;&lt; \" starting\\n\";\n    \/\/ \u5b9f\u969b\u306e\u51e6\u7406\u3092\u3053\u3053\u306b\u8a18\u8ff0\n    std::this_thread::sleep_for(std::chrono::seconds(2));\n    std::cout &lt;&lt; \"Worker \" &lt;&lt; id &lt;&lt; \" finished\\n\";\n}\n\nint main() {\n    \/\/ \u30b9\u30ec\u30c3\u30c9\u306e\u4f5c\u6210\u65b9\u6cd51: \u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u7528\n    std::thread t1(worker_function, 1);\n\n    \/\/ \u30b9\u30ec\u30c3\u30c9\u306e\u4f5c\u6210\u65b9\u6cd52: \u30e9\u30e0\u30c0\u5f0f\u3092\u4f7f\u7528\n    std::thread t2([](int id) {\n        std::cout &lt;&lt; \"Lambda worker \" &lt;&lt; id &lt;&lt; \" executing\\n\";\n    }, 2);\n\n    \/\/ \u91cd\u8981: \u30b9\u30ec\u30c3\u30c9\u306e\u7d42\u4e86\u3092\u5f85\u6a5f\n    t1.join();\n    t2.join();\n\n    return 0;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">\u30b9\u30ec\u30c3\u30c9\u306e\u4f5c\u6210\u3068\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u7ba1\u7406\u306e\u91cd\u8981\u6027<\/h3>\n\n\n\n<p>\u30b9\u30ec\u30c3\u30c9\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u7ba1\u7406\u306f\u3001\u5b89\u5168\u306a\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u57fa\u672c\u3067\u3059\u3002\u9069\u5207\u306a\u7ba1\u7406\u3092\u6020\u308b\u3068\u3001\u4e88\u671f\u305b\u306c\u52d5\u4f5c\u3084\u30af\u30e9\u30c3\u30b7\u30e5\u306e\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;thread&gt;\n#include &lt;stdexcept&gt;\n\nclass ThreadGuard {\n    std::thread&amp; t;\npublic:\n    \/\/ RAII\u539f\u5247\u306b\u57fa\u3065\u304f\u30b9\u30ec\u30c3\u30c9\u7ba1\u7406\n    explicit ThreadGuard(std::thread&amp; t_) : t(t_) {}\n\n    ~ThreadGuard() {\n        if (t.joinable()) {\n            t.join(); \/\/ \u30b9\u30ec\u30c3\u30c9\u306e\u7d42\u4e86\u3092\u78ba\u5b9f\u306b\u5f85\u6a5f\n        }\n    }\n\n    \/\/ \u30b3\u30d4\u30fc\u7981\u6b62\n    ThreadGuard(const ThreadGuard&amp;) = delete;\n    ThreadGuard&amp; operator=(const ThreadGuard&amp;) = delete;\n};\n\nvoid example_function() {\n    std::thread t([]() {\n        \/\/ \u30b9\u30ec\u30c3\u30c9\u306e\u51e6\u7406\n    });\n\n    ThreadGuard g(t); \/\/ RAII\u306b\u3088\u308b\u81ea\u52d5\u7ba1\u7406\n\n    \/\/ \u4f8b\u5916\u304c\u767a\u751f\u3057\u3066\u3082\u3001ThreadGuard\u306e\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3067\n    \/\/ \u9069\u5207\u306bjoin()\u304c\u547c\u3070\u308c\u308b\n} \/\/ \u30b9\u30b3\u30fc\u30d7\u3092\u629c\u3051\u308b\u3068\u81ea\u52d5\u7684\u306bjoin()\u304c\u547c\u3070\u308c\u308b<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-3\">\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u306a\u30b3\u30fc\u30c9\u4f5c\u6210\u306e\u539f\u5247<\/h3>\n\n\n\n<p>\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u305f\u3081\u306e\u91cd\u8981\u306a\u539f\u5247\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u306e\u5171\u6709\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ef\u80fd\u306a\u9650\u308a\u5404\u30b9\u30ec\u30c3\u30c9\u3067\u72ec\u7acb\u3057\u305f\u30c7\u30fc\u30bf\u3092\u4f7f\u7528<\/li>\n\n\n\n<li>\u5fc5\u8981\u306a\u5834\u5408\u306e\u307f\u5171\u6709\u30ea\u30bd\u30fc\u30b9\u3092\u4f7f\u7528<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9069\u5207\u306a\u540c\u671f\u6a5f\u69cb\u306e\u4f7f\u7528<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u306b\u3088\u308b\u30c7\u30fc\u30bf\u4fdd\u8b77<\/li>\n\n\n\n<li>\u30a2\u30c8\u30df\u30c3\u30af\u64cd\u4f5c\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u30b9\u30b3\u30fc\u30d7\u4ed8\u304d\u30ed\u30c3\u30af\uff08std::lock_guard, std::unique_lock\uff09\u306e\u4f7f\u7528<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;mutex&gt;\n#include &lt;thread&gt;\n#include &lt;vector&gt;\n\nclass ThreadSafeCounter {\n    mutable std::mutex mutex_; \/\/ mutable\u3067const\u95a2\u6570\u5185\u3067\u306e\u4f7f\u7528\u3092\u8a31\u53ef\n    int value_ = 0;\n\npublic:\n    \/\/ \u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u306a\u5024\u306e\u5897\u52a0\n    void increment() {\n        std::lock_guard&lt;std::mutex&gt; lock(mutex_);\n        ++value_;\n    }\n\n    \/\/ \u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u306a\u5024\u306e\u53d6\u5f97\n    int get() const {\n        std::lock_guard&lt;std::mutex&gt; lock(mutex_);\n        return value_;\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nvoid safe_counter_example() {\n    ThreadSafeCounter counter;\n    std::vector&lt;std::thread&gt; threads;\n\n    \/\/ \u8907\u6570\u30b9\u30ec\u30c3\u30c9\u304b\u3089\u306e\u5b89\u5168\u306a\u30a2\u30af\u30bb\u30b9\n    for (int i = 0; i &lt; 10; ++i) {\n        threads.emplace_back([&amp;counter]() {\n            for (int j = 0; j &lt; 1000; ++j) {\n                counter.increment();\n            }\n        });\n    }\n\n    \/\/ \u3059\u3079\u3066\u306e\u30b9\u30ec\u30c3\u30c9\u306e\u7d42\u4e86\u3092\u5f85\u6a5f\n    for (auto&amp; t : threads) {\n        t.join();\n    }\n\n    \/\/ \u6700\u7d42\u7684\u306a\u5024\u306f\u5fc5\u305a10000\u306b\u306a\u308b\n    std::cout &lt;&lt; \"Final value: \" &lt;&lt; counter.get() &lt;&lt; std::endl;\n}<\/pre>\n\n\n\n<p>\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u969b\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>RAII\u30d1\u30bf\u30fc\u30f3\u3092\u6d3b\u7528\u3057\u3066\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u3092\u81ea\u52d5\u5316<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u7af6\u5408\u3092\u9632\u3050\u305f\u3081\u306e\u9069\u5207\u306a\u540c\u671f\u6a5f\u69cb\u306e\u9078\u629e<\/li>\n\n\n\n<li>\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u3092\u9632\u3050\u305f\u3081\u306e\u30ed\u30c3\u30af\u53d6\u5f97\u9806\u5e8f\u306e\u4e00\u8cab\u6027\u7dad\u6301<\/li>\n\n\n\n<li>\u4f8b\u5916\u5b89\u5168\u6027\u306e\u78ba\u4fdd<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u57fa\u672c\u539f\u5247\u3092\u7406\u89e3\u3057\u3001\u9069\u5207\u306b\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-4\">\u5b9f\u8df5\u7684\u306a\u30b9\u30ec\u30c3\u30c9\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u624b\u6cd5<\/h2>\n\n\n\n<p>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u306f\u3001\u9069\u5207\u306a\u540c\u671f\u6a5f\u69cb\u306e\u9078\u629e\u3068\u5b9f\u88c5\u304c\u91cd\u8981\u3067\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5b9f\u8df5\u7684\u306a\u540c\u671f\u51e6\u7406\u306e\u5b9f\u88c5\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u30c7\u30fc\u30bf\u7af6\u5408\u3092\u9632\u3050\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u306e\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u306f\u3001\u5171\u6709\u30ea\u30bd\u30fc\u30b9\u3078\u306e\u6392\u4ed6\u7684\u30a2\u30af\u30bb\u30b9\u3092\u5236\u5fa1\u3059\u308b\u57fa\u672c\u7684\u306a\u540c\u671f\u6a5f\u69cb\u3067\u3059\u3002\u9069\u5207\u306a\u4f7f\u7528\u65b9\u6cd5\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;mutex&gt;\n#include &lt;thread&gt;\n#include &lt;queue&gt;\n#include &lt;iostream&gt;\n\ntemplate&lt;typename T&gt;\nclass ThreadSafeQueue {\n    std::queue&lt;T&gt; queue_;\n    mutable std::mutex mutex_;\n\npublic:\n    \/\/ \u30c7\u30fc\u30bf\u306e\u8ffd\u52a0\uff08\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\uff09\n    void push(T value) {\n        std::lock_guard&lt;std::mutex&gt; lock(mutex_);\n        queue_.push(std::move(value));\n    }\n\n    \/\/ \u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u3068\u524a\u9664\uff08\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\uff09\n    bool try_pop(T&amp; value) {\n        std::lock_guard&lt;std::mutex&gt; lock(mutex_);\n        if (queue_.empty()) {\n            return false;\n        }\n        value = std::move(queue_.front());\n        queue_.pop();\n        return true;\n    }\n\n    \/\/ \u30b5\u30a4\u30ba\u306e\u53d6\u5f97\uff08\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\uff09\n    size_t size() const {\n        std::lock_guard&lt;std::mutex&gt; lock(mutex_);\n        return queue_.size();\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nvoid thread_safe_queue_example() {\n    ThreadSafeQueue&lt;int&gt; queue;\n\n    \/\/ \u751f\u7523\u8005\u30b9\u30ec\u30c3\u30c9\n    std::thread producer([&amp;queue]() {\n        for (int i = 0; i &lt; 10; ++i) {\n            queue.push(i);\n            std::this_thread::sleep_for(std::chrono::milliseconds(100));\n        }\n    });\n\n    \/\/ \u6d88\u8cbb\u8005\u30b9\u30ec\u30c3\u30c9\n    std::thread consumer([&amp;queue]() {\n        int value;\n        while (true) {\n            if (queue.try_pop(value)) {\n                std::cout &lt;&lt; \"Consumed: \" &lt;&lt; value &lt;&lt; std::endl;\n            }\n            std::this_thread::sleep_for(std::chrono::milliseconds(150));\n        }\n    });\n\n    producer.join();\n    \/\/ \u6ce8\u610f: \u3053\u306e\u4f8b\u3067\u306f\u7c21\u7565\u5316\u306e\u305f\u3081\u3001consumer\u306f\u5f37\u5236\u7d42\u4e86\u3057\u307e\u3059\n    consumer.detach();\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u6761\u4ef6\u5909\u6570\u3092\u4f7f\u7528\u3057\u305f\u52b9\u7387\u7684\u306a\u540c\u671f\u51e6\u7406<\/h3>\n\n\n\n<p>\u6761\u4ef6\u5909\u6570\u306f\u3001\u30b9\u30ec\u30c3\u30c9\u9593\u306e\u901a\u77e5\u3068\u5f85\u6a5f\u3092\u52b9\u7387\u7684\u306b\u5b9f\u73fe\u3059\u308b\u540c\u671f\u6a5f\u69cb\u3067\u3059\u3002\u4ee5\u4e0b\u306b\u5b9f\u88c5\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;condition_variable&gt;\n#include &lt;mutex&gt;\n#include &lt;queue&gt;\n#include &lt;thread&gt;\n\ntemplate&lt;typename T&gt;\nclass BlockingQueue {\n    std::queue&lt;T&gt; queue_;\n    mutable std::mutex mutex_;\n    std::condition_variable not_empty_;\n    std::condition_variable not_full_;\n    size_t capacity_;\n\npublic:\n    explicit BlockingQueue(size_t capacity = 100) : capacity_(capacity) {}\n\n    void push(T value) {\n        std::unique_lock&lt;std::mutex&gt; lock(mutex_);\n        \/\/ \u30ad\u30e5\u30fc\u304c\u6e80\u676f\u306e\u5834\u5408\u3001\u7a7a\u304d\u304c\u3067\u304d\u308b\u307e\u3067\u5f85\u6a5f\n        not_full_.wait(lock, [this]() { \n            return queue_.size() &lt; capacity_; \n        });\n\n        queue_.push(std::move(value));\n        lock.unlock();\n        \/\/ \u5f85\u6a5f\u4e2d\u306e\u6d88\u8cbb\u8005\u306b\u901a\u77e5\n        not_empty_.notify_one();\n    }\n\n    T pop() {\n        std::unique_lock&lt;std::mutex&gt; lock(mutex_);\n        \/\/ \u30ad\u30e5\u30fc\u304c\u7a7a\u306e\u5834\u5408\u3001\u30c7\u30fc\u30bf\u304c\u8ffd\u52a0\u3055\u308c\u308b\u307e\u3067\u5f85\u6a5f\n        not_empty_.wait(lock, [this]() { \n            return !queue_.empty(); \n        });\n\n        T value = std::move(queue_.front());\n        queue_.pop();\n        lock.unlock();\n        \/\/ \u5f85\u6a5f\u4e2d\u306e\u751f\u7523\u8005\u306b\u901a\u77e5\n        not_full_.notify_one();\n        return value;\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u306b\u3088\u308b\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u6700\u9069\u5316<\/h3>\n\n\n\n<p>\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u306f\u3001\u30b9\u30ec\u30c3\u30c9\u306e\u751f\u6210\u30fb\u7834\u68c4\u30b3\u30b9\u30c8\u3092\u524a\u6e1b\u3057\u3001\u30ea\u30bd\u30fc\u30b9\u3092\u52b9\u7387\u7684\u306b\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;functional&gt;\n#include &lt;future&gt;\n#include &lt;thread&gt;\n#include &lt;vector&gt;\n\nclass ThreadPool {\n    std::vector&lt;std::thread&gt; workers_;\n    std::queue&lt;std::function&lt;void()&gt;&gt; tasks_;\n    std::mutex queue_mutex_;\n    std::condition_variable condition_;\n    bool stop_;\n\npublic:\n    explicit ThreadPool(size_t threads) : stop_(false) {\n        for (size_t i = 0; i &lt; threads; ++i) {\n            workers_.emplace_back([this] {\n                while (true) {\n                    std::function&lt;void()&gt; task;\n                    {\n                        std::unique_lock&lt;std::mutex&gt; lock(queue_mutex_);\n                        condition_.wait(lock, [this] {\n                            return stop_ || !tasks_.empty();\n                        });\n\n                        if (stop_ &amp;&amp; tasks_.empty()) {\n                            return;\n                        }\n\n                        task = std::move(tasks_.front());\n                        tasks_.pop();\n                    }\n                    task();\n                }\n            });\n        }\n    }\n\n    template&lt;class F, class... Args&gt;\n    auto enqueue(F&amp;&amp; f, Args&amp;&amp;... args) \n        -&gt; std::future&lt;typename std::result_of&lt;F(Args...)&gt;::type&gt; {\n        using return_type = typename std::result_of&lt;F(Args...)&gt;::type;\n\n        auto task = std::make_shared&lt;std::packaged_task&lt;return_type()&gt;&gt;(\n            std::bind(std::forward&lt;F&gt;(f), std::forward&lt;Args&gt;(args)...)\n        );\n\n        std::future&lt;return_type&gt; res = task-&gt;get_future();\n        {\n            std::unique_lock&lt;std::mutex&gt; lock(queue_mutex_);\n            if (stop_) {\n                throw std::runtime_error(\"enqueue on stopped ThreadPool\");\n            }\n            tasks_.emplace([task]() { (*task)(); });\n        }\n        condition_.notify_one();\n        return res;\n    }\n\n    ~ThreadPool() {\n        {\n            std::unique_lock&lt;std::mutex&gt; lock(queue_mutex_);\n            stop_ = true;\n        }\n        condition_.notify_all();\n        for (std::thread&amp; worker : workers_) {\n            worker.join();\n        }\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nvoid thread_pool_example() {\n    ThreadPool pool(4); \/\/ 4\u3064\u306e\u30ef\u30fc\u30ab\u30fc\u30b9\u30ec\u30c3\u30c9\u3092\u4f5c\u6210\n    std::vector&lt;std::future&lt;int&gt;&gt; results;\n\n    \/\/ \u30bf\u30b9\u30af\u306e\u6295\u5165\n    for (int i = 0; i &lt; 8; ++i) {\n        results.emplace_back(\n            pool.enqueue([i] {\n                std::this_thread::sleep_for(std::chrono::seconds(1));\n                return i * i;\n            })\n        );\n    }\n\n    \/\/ \u7d50\u679c\u306e\u53d6\u5f97\n    for (auto&amp; result : results) {\n        std::cout &lt;&lt; result.get() &lt;&lt; ' ';\n    }\n}<\/pre>\n\n\n\n<p>\u5b9f\u8df5\u7684\u306a\u30b9\u30ec\u30c3\u30c9\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9069\u5207\u306a\u540c\u671f\u6a5f\u69cb\u306e\u9078\u629e<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\uff1a\u5358\u7d14\u306a\u6392\u4ed6\u5236\u5fa1<\/li>\n\n\n\n<li>\u6761\u4ef6\u5909\u6570\uff1a\u30b9\u30ec\u30c3\u30c9\u9593\u901a\u77e5<\/li>\n\n\n\n<li>\u30a2\u30c8\u30df\u30c3\u30af\u64cd\u4f5c\uff1a\u8efd\u91cf\u306a\u540c\u671f<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u8003\u616e<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ed\u30c3\u30af\u306e\u7bc4\u56f2\u3092\u6700\u5c0f\u9650\u306b<\/li>\n\n\n\n<li>\u7d30\u7c92\u5ea6\u306e\u30ed\u30c3\u30af\u3068\u7c97\u7c92\u5ea6\u306e\u30ed\u30c3\u30af\u306e\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5<\/li>\n\n\n\n<li>\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u306b\u3088\u308b\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u524a\u6e1b<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a8\u30e9\u30fc\u51e6\u7406\u3068\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f8b\u5916\u5b89\u5168\u6027\u306e\u78ba\u4fdd<\/li>\n\n\n\n<li>RAII\u306b\u3088\u308b\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406<\/li>\n\n\n\n<li>\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u9632\u6b62\u306e\u8a2d\u8a08<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u8df5\u7684\u306a\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3092\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-8\">\u9ad8\u5ea6\u306a\u30b9\u30ec\u30c3\u30c9\u5236\u5fa1\u30c6\u30af\u30cb\u30c3\u30af<\/h2>\n\n\n\n<p>C++11\u4ee5\u964d\u3067\u5c0e\u5165\u3055\u308c\u305f\u9ad8\u5ea6\u306a\u30b9\u30ec\u30c3\u30c9\u5236\u5fa1\u6a5f\u69cb\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u52b9\u7387\u7684\u3067\u5805\u7262\u306a\u4e26\u884c\u51e6\u7406\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">future\/promise\u306b\u3088\u308b\u975e\u540c\u671f\u51e6\u7406\u306e\u5b9f\u88c5<\/h3>\n\n\n\n<p>future\/promise\u306f\u3001\u975e\u540c\u671f\u51e6\u7406\u306e\u7d50\u679c\u3092\u52b9\u7387\u7684\u306b\u53d6\u5f97\u3059\u308b\u305f\u3081\u306e\u6a5f\u69cb\u3067\u3059\u3002\u4ee5\u4e0b\u306b\u8a73\u7d30\u306a\u5b9f\u88c5\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;future&gt;\n#include &lt;thread&gt;\n#include &lt;iostream&gt;\n#include &lt;vector&gt;\n#include &lt;stdexcept&gt;\n\n\/\/ \u975e\u540c\u671f\u3067\u5b9f\u884c\u3055\u308c\u308b\u8a08\u7b97\u51e6\u7406\u306e\u4f8b\nstd::vector&lt;int&gt; calculate_parallel(const std::vector&lt;int&gt;&amp; data, \n                                  size_t start, size_t end) {\n    std::vector&lt;int&gt; result;\n    for (size_t i = start; i &lt; end; ++i) {\n        \/\/ \u91cd\u3044\u8a08\u7b97\u51e6\u7406\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\n        std::this_thread::sleep_for(std::chrono::milliseconds(100));\n        result.push_back(data[i] * data[i]);\n    }\n    return result;\n}\n\n\/\/ future\/promise\u3092\u4f7f\u7528\u3057\u305f\u975e\u540c\u671f\u51e6\u7406\u306e\u5b9f\u88c5\u4f8b\nclass AsyncProcessor {\n    std::vector&lt;int&gt; data_;\n    std::vector&lt;std::future&lt;std::vector&lt;int&gt;&gt;&gt; futures_;\n\npublic:\n    explicit AsyncProcessor(const std::vector&lt;int&gt;&amp; data) : data_(data) {}\n\n    void process_async() {\n        const size_t num_threads = 4;\n        const size_t chunk_size = data_.size() \/ num_threads;\n\n        for (size_t i = 0; i &lt; num_threads; ++i) {\n            size_t start = i * chunk_size;\n            size_t end = (i == num_threads - 1) ? data_.size() : \n                                                 (i + 1) * chunk_size;\n\n            \/\/ \u975e\u540c\u671f\u30bf\u30b9\u30af\u3092\u958b\u59cb\n            futures_.push_back(\n                std::async(std::launch::async,\n                          calculate_parallel,\n                          std::ref(data_),\n                          start,\n                          end)\n            );\n        }\n    }\n\n    std::vector&lt;int&gt; get_results() {\n        std::vector&lt;int&gt; results;\n        for (auto&amp; future : futures_) {\n            \/\/ \u5404\u30bf\u30b9\u30af\u306e\u7d50\u679c\u3092\u53d6\u5f97\u3057\u3066\u7d50\u5408\n            auto chunk_result = future.get();\n            results.insert(results.end(), \n                         chunk_result.begin(), \n                         chunk_result.end());\n        }\n        return results;\n    }\n};\n\n\/\/ promise\u3092\u4f7f\u7528\u3057\u305f\u4f8b\u5916\u51e6\u7406\u306e\u4f8b\nvoid process_with_exception_handling() {\n    std::promise&lt;int&gt; promise;\n    std::future&lt;int&gt; future = promise.get_future();\n\n    std::thread worker([&amp;promise] {\n        try {\n            \/\/ \u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u51e6\u7406\n            throw std::runtime_error(\"Something went wrong\");\n            promise.set_value(42);\n        }\n        catch (...) {\n            \/\/ \u4f8b\u5916\u3092future\u306b\u8ee2\u9001\n            promise.set_exception(std::current_exception());\n        }\n    });\n\n    try {\n        int result = future.get();\n        std::cout &lt;&lt; \"Result: \" &lt;&lt; result &lt;&lt; std::endl;\n    }\n    catch (const std::exception&amp; e) {\n        std::cout &lt;&lt; \"Caught exception: \" &lt;&lt; e.what() &lt;&lt; std::endl;\n    }\n\n    worker.join();\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">atomic\u578b\u3092\u6d3b\u7528\u3057\u305f\u30ed\u30c3\u30af\u30d5\u30ea\u30fc\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0<\/h3>\n\n\n\n<p>\u30a2\u30c8\u30df\u30c3\u30af\u64cd\u4f5c\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30ed\u30c3\u30af\u3092\u4f7f\u7528\u305b\u305a\u306b\u5b89\u5168\u306a\u4e26\u884c\u51e6\u7406\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;atomic&gt;\n#include &lt;thread&gt;\n#include &lt;vector&gt;\n\n\/\/ \u30ed\u30c3\u30af\u30d5\u30ea\u30fc\u306a\u30ab\u30a6\u30f3\u30bf\u30fc\u5b9f\u88c5\nclass LockFreeCounter {\n    std::atomic&lt;int&gt; value_;\n\npublic:\n    LockFreeCounter() : value_(0) {}\n\n    void increment() {\n        value_.fetch_add(1, std::memory_order_relaxed);\n    }\n\n    void decrement() {\n        value_.fetch_sub(1, std::memory_order_relaxed);\n    }\n\n    int get() const {\n        return value_.load(std::memory_order_relaxed);\n    }\n};\n\n\/\/ \u30ed\u30c3\u30af\u30d5\u30ea\u30fc\u306a\u30b9\u30bf\u30c3\u30af\u5b9f\u88c5\ntemplate&lt;typename T&gt;\nclass LockFreeStack {\n    struct Node {\n        T data;\n        std::atomic&lt;Node*&gt; next;\n\n        Node(const T&amp; data_) : data(data_), next(nullptr) {}\n    };\n\n    std::atomic&lt;Node*&gt; head_;\n\npublic:\n    LockFreeStack() : head_(nullptr) {}\n\n    void push(const T&amp; data) {\n        Node* new_node = new Node(data);\n        new_node-&gt;next = head_.load(std::memory_order_relaxed);\n\n        while (!head_.compare_exchange_weak(\n            new_node-&gt;next,\n            new_node,\n            std::memory_order_release,\n            std::memory_order_relaxed)) {}\n    }\n\n    bool pop(T&amp; result) {\n        Node* old_head = head_.load(std::memory_order_relaxed);\n\n        while (old_head &amp;&amp; \n               !head_.compare_exchange_weak(\n                   old_head,\n                   old_head-&gt;next,\n                   std::memory_order_acquire,\n                   std::memory_order_relaxed)) {}\n\n        if (old_head) {\n            result = old_head-&gt;data;\n            delete old_head;\n            return true;\n        }\n        return false;\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">\u30e1\u30e2\u30ea\u30e2\u30c7\u30eb\u3068\u30b9\u30ec\u30c3\u30c9\u306e\u76f8\u4e92\u4f5c\u7528\u306e\u7406\u89e3<\/h3>\n\n\n\n<p>C++\u306e\u30e1\u30e2\u30ea\u30e2\u30c7\u30eb\u3092\u7406\u89e3\u3057\u3001\u9069\u5207\u306a\u540c\u671f\u3092\u884c\u3046\u3053\u3068\u306f\u3001\u6b63\u3057\u3044\u4e26\u884c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;atomic&gt;\n#include &lt;thread&gt;\n#include &lt;cassert&gt;\n\n\/\/ \u30e1\u30e2\u30ea\u30aa\u30fc\u30c0\u30fc\u306e\u5b9f\u8df5\u7684\u306a\u4f7f\u7528\u4f8b\nclass MessageQueue {\n    struct Message {\n        int data;\n        std::atomic&lt;bool&gt; ready;\n        Message() : data(0), ready(false) {}\n    };\n\n    Message messages_[1024];\n    std::atomic&lt;int&gt; write_index_{0};\n    std::atomic&lt;int&gt; read_index_{0};\n\npublic:\n    void send(int data) {\n        int index = write_index_.fetch_add(1, std::memory_order_relaxed) % 1024;\n        messages_[index].data = data;\n        messages_[index].ready.store(true, std::memory_order_release);\n    }\n\n    bool receive(int&amp; data) {\n        int index = read_index_.load(std::memory_order_relaxed);\n        if (!messages_[index].ready.load(std::memory_order_acquire)) {\n            return false;\n        }\n\n        data = messages_[index].data;\n        messages_[index].ready.store(false, std::memory_order_relaxed);\n        read_index_.store((index + 1) % 1024, std::memory_order_relaxed);\n        return true;\n    }\n};\n\n\/\/ \u30e1\u30e2\u30ea\u30d0\u30ea\u30a2\u306e\u5b9f\u8df5\u7684\u306a\u4f7f\u7528\u4f8b\nvoid memory_barrier_example() {\n    std::atomic&lt;bool&gt; flag{false};\n    int shared_data = 0;\n\n    std::thread producer([&amp;]() {\n        shared_data = 42;  \/\/ \u30c7\u30fc\u30bf\u306e\u6e96\u5099\n        flag.store(true, std::memory_order_release);  \/\/ \u30ea\u30ea\u30fc\u30b9\u30d0\u30ea\u30a2\n    });\n\n    std::thread consumer([&amp;]() {\n        while (!flag.load(std::memory_order_acquire)) {  \/\/ \u30a2\u30af\u30ef\u30a4\u30a2\u30d0\u30ea\u30a2\n            std::this_thread::yield();\n        }\n        assert(shared_data == 42);  \/\/ \u30c7\u30fc\u30bf\u304c\u78ba\u5b9f\u306b\u898b\u3048\u308b\n    });\n\n    producer.join();\n    consumer.join();\n}<\/pre>\n\n\n\n<p>\u9ad8\u5ea6\u306a\u30b9\u30ec\u30c3\u30c9\u5236\u5fa1\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>future\/promise\u306e\u9069\u5207\u306a\u4f7f\u7528<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u975e\u540c\u671f\u51e6\u7406\u7d50\u679c\u306e\u52b9\u7387\u7684\u306a\u53d6\u5f97<\/li>\n\n\n\n<li>\u4f8b\u5916\u51e6\u7406\u306e\u7d71\u5408<\/li>\n\n\n\n<li>\u30bf\u30b9\u30af\u306e\u30ad\u30e3\u30f3\u30bb\u30ec\u30fc\u30b7\u30e7\u30f3\u7ba1\u7406<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a2\u30c8\u30df\u30c3\u30af\u64cd\u4f5c\u306e\u6700\u9069\u5316<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30e2\u30ea\u30aa\u30fc\u30c0\u30fc\u306e\u9069\u5207\u306a\u9078\u629e<\/li>\n\n\n\n<li>\u30ed\u30c3\u30af\u30d5\u30ea\u30fc\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u30c6\u30a3\u306e\u30d0\u30e9\u30f3\u30b9<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30e1\u30e2\u30ea\u30e2\u30c7\u30eb\u306e\u8003\u616e<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u7af6\u5408\u306e\u9632\u6b62<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u540c\u671f\u6a5f\u69cb\u306e\u9078\u629e<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30d0\u30ea\u30a2\u306e\u52b9\u679c\u7684\u306a\u4f7f\u7528<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u9ad8\u5ea6\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u9ad8\u6027\u80fd\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u4e26\u884c\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u3089\u306e\u6a5f\u80fd\u306f\u614e\u91cd\u306b\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u9069\u5207\u306a\u7406\u89e3\u3068\u5341\u5206\u306a\u30c6\u30b9\u30c8\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-12\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u3068\u30c7\u30d0\u30c3\u30b0<\/h2>\n\n\n\n<p>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u3067\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316\u3068\u30c7\u30d0\u30c3\u30b0\u304c\u7279\u306b\u91cd\u8981\u3067\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5b9f\u8df5\u7684\u306a\u6700\u9069\u5316\u624b\u6cd5\u3068\u30c7\u30d0\u30c3\u30b0\u30c6\u30af\u30cb\u30c3\u30af\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u30b9\u30ec\u30c3\u30c9\u51e6\u7406\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u7279\u5b9a\u3068\u89e3\u6c7a\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306b\u306f\u3001\u9069\u5207\u306a\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0\u3068\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306e\u7279\u5b9a\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;chrono&gt;\n#include &lt;thread&gt;\n#include &lt;mutex&gt;\n#include &lt;shared_mutex&gt;\n#include &lt;vector&gt;\n\n\/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6e2c\u5b9a\u7528\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u30d7\u30ed\u30d5\u30a1\u30a4\u30e9\u30fc\nclass ScopedTimer {\n    std::chrono::high_resolution_clock::time_point start_;\n    std::string operation_name_;\n\npublic:\n    explicit ScopedTimer(std::string name) \n        : start_(std::chrono::high_resolution_clock::now())\n        , operation_name_(std::move(name)) {}\n\n    ~ScopedTimer() {\n        auto end = std::chrono::high_resolution_clock::now();\n        auto duration = std::chrono::duration_cast&lt;std::chrono::microseconds&gt;\n                       (end - start_).count();\n        std::cout &lt;&lt; operation_name_ &lt;&lt; \" took \" \n                  &lt;&lt; duration &lt;&lt; \" microseconds\\n\";\n    }\n};\n\n\/\/ \u30ed\u30c3\u30af\u306e\u7c92\u5ea6\u3092\u6700\u9069\u5316\u3057\u305f\u5171\u6709\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u4f8b\ntemplate&lt;typename T&gt;\nclass OptimizedCache {\n    struct Entry {\n        T data;\n        std::atomic&lt;uint64_t&gt; timestamp;\n    };\n\n    std::vector&lt;Entry&gt; cache_;\n    std::vector&lt;std::shared_mutex&gt; mutexes_;  \/\/ \u8907\u6570\u306e\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\n    static constexpr size_t MUTEX_COUNT = 32;  \/\/ \u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u306e\u6570\n\n    size_t get_mutex_index(size_t index) const {\n        return index % MUTEX_COUNT;\n    }\n\npublic:\n    OptimizedCache(size_t size) \n        : cache_(size)\n        , mutexes_(MUTEX_COUNT) {}\n\n    void update(size_t index, const T&amp; value) {\n        size_t mutex_index = get_mutex_index(index);\n        {\n            std::unique_lock lock(mutexes_[mutex_index]);\n            cache_[index].data = value;\n            cache_[index].timestamp.store(\n                std::chrono::system_clock::now().time_since_epoch().count(),\n                std::memory_order_release\n            );\n        }\n    }\n\n    std::pair&lt;T, uint64_t&gt; read(size_t index) {\n        size_t mutex_index = get_mutex_index(index);\n        std::shared_lock lock(mutexes_[mutex_index]);\n        return {\n            cache_[index].data,\n            cache_[index].timestamp.load(std::memory_order_acquire)\n        };\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u9632\u6b62\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n\n\n\n<p>\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u306e\u9632\u6b62\u3068\u691c\u51fa\u306f\u3001\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u8ab2\u984c\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;mutex&gt;\n#include &lt;thread&gt;\n#include &lt;iostream&gt;\n\n\/\/ \u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u691c\u51fa\u7528\u306e\u30ed\u30c3\u30af\u30ac\u30fc\u30c9\ntemplate&lt;typename... Mutexes&gt;\nclass DeadlockDetector {\n    std::tuple&lt;std::unique_lock&lt;Mutexes&gt;...&gt; locks_;\n\npublic:\n    DeadlockDetector(Mutexes&amp;... mutexes) {\n        \/\/ try_lock\u3092\u4f7f\u7528\u3057\u3066\u5168\u3066\u306e\u30ed\u30c3\u30af\u3092\u7372\u5f97\n        if (!std::try_lock(mutexes...)) {\n            \/\/ \u30ed\u30c3\u30af\u306e\u7372\u5f97\u306b\u5931\u6557\u3057\u305f\u5834\u5408\n            throw std::runtime_error(\"Potential deadlock detected!\");\n        }\n\n        \/\/ \u30ed\u30c3\u30af\u306e\u7372\u5f97\u306b\u6210\u529f\u3057\u305f\u5834\u5408\u3001\u6240\u6709\u6a29\u3092\u79fb\u52d5\n        locks_ = std::make_tuple(\n            std::unique_lock&lt;Mutexes&gt;(mutexes, std::adopt_lock)...\n        );\n    }\n};\n\n\/\/ \u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u9632\u6b62\u306e\u305f\u3081\u306e\u968e\u5c64\u7684\u30ed\u30c3\u30af\nclass HierarchicalMutex {\n    std::mutex mutex_;\n    const unsigned long hierarchy_value_;\n    unsigned long previous_hierarchy_value_;\n    static thread_local unsigned long this_thread_hierarchy_value;\n\n    void check_for_hierarchy_violation() {\n        if (this_thread_hierarchy_value &lt;= hierarchy_value_) {\n            throw std::runtime_error(\"Mutex hierarchy violated\");\n        }\n    }\n\n    void update_hierarchy_value() {\n        previous_hierarchy_value_ = this_thread_hierarchy_value;\n        this_thread_hierarchy_value = hierarchy_value_;\n    }\n\npublic:\n    explicit HierarchicalMutex(unsigned long value)\n        : hierarchy_value_(value) {}\n\n    void lock() {\n        check_for_hierarchy_violation();\n        mutex_.lock();\n        update_hierarchy_value();\n    }\n\n    void unlock() {\n        this_thread_hierarchy_value = previous_hierarchy_value_;\n        mutex_.unlock();\n    }\n\n    bool try_lock() {\n        check_for_hierarchy_violation();\n        if (!mutex_.try_lock()) {\n            return false;\n        }\n        update_hierarchy_value();\n        return true;\n    }\n};\n\nthread_local unsigned long \n    HierarchicalMutex::this_thread_hierarchy_value(ULONG_MAX);<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30c7\u30d0\u30c3\u30b0\u6280\u6cd5<\/h3>\n\n\n\n<p>\u52b9\u679c\u7684\u306a\u30c7\u30d0\u30c3\u30b0\u306b\u306f\u3001\u9069\u5207\u306a\u30c4\u30fc\u30eb\u3068\u624b\u6cd5\u306e\u4f7f\u7528\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;thread&gt;\n#include &lt;mutex&gt;\n#include &lt;condition_variable&gt;\n#include &lt;iostream&gt;\n#include &lt;sstream&gt;\n#include &lt;cassert&gt;\n\n\/\/ \u30c7\u30d0\u30c3\u30b0\u7528\u306e\u30b9\u30ec\u30c3\u30c9\u5b89\u5168\u306a\u30ed\u30ac\u30fc\nclass ThreadSafeLogger {\n    std::mutex mutex_;\n    std::stringstream log_;\n\npublic:\n    template&lt;typename T&gt;\n    void log(const T&amp; message) {\n        std::lock_guard&lt;std::mutex&gt; lock(mutex_);\n        log_ &lt;&lt; \"[Thread \" &lt;&lt; std::this_thread::get_id() &lt;&lt; \"] \"\n             &lt;&lt; message &lt;&lt; std::endl;\n    }\n\n    std::string get_log() {\n        std::lock_guard&lt;std::mutex&gt; lock(mutex_);\n        return log_.str();\n    }\n};\n\n\/\/ \u6761\u4ef6\u5909\u6570\u306e\u30c7\u30d0\u30c3\u30b0\u652f\u63f4\u30af\u30e9\u30b9\nclass DebugConditionVariable {\n    std::condition_variable cv_;\n    std::mutex&amp; mutex_;\n    ThreadSafeLogger&amp; logger_;\n    std::string name_;\n\npublic:\n    DebugConditionVariable(std::mutex&amp; mutex, \n                          ThreadSafeLogger&amp; logger,\n                          std::string name)\n        : mutex_(mutex)\n        , logger_(logger)\n        , name_(std::move(name)) {}\n\n    template&lt;typename Predicate&gt;\n    void wait(std::unique_lock&lt;std::mutex&gt;&amp; lock, Predicate pred) {\n        logger_.log(name_ + \": waiting\");\n        cv_.wait(lock, [this, pred]() {\n            bool result = pred();\n            logger_.log(name_ + \": predicate check returned \" + \n                       std::to_string(result));\n            return result;\n        });\n        logger_.log(name_ + \": resumed\");\n    }\n\n    void notify_one() {\n        logger_.log(name_ + \": notifying one\");\n        cv_.notify_one();\n    }\n\n    void notify_all() {\n        logger_.log(name_ + \": notifying all\");\n        cv_.notify_all();\n    }\n};\n\n\/\/ \u30c7\u30d0\u30c3\u30b0\u7528\u306e\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\n#ifdef _DEBUG\n#define THREAD_ASSERT(condition, message) \\\n    do { \\\n        if (!(condition)) { \\\n            std::stringstream ss; \\\n            ss &lt;&lt; \"Assertion failed: \" &lt;&lt; message &lt;&lt; \"\\n\" \\\n               &lt;&lt; \"Thread ID: \" &lt;&lt; std::this_thread::get_id() &lt;&lt; \"\\n\" \\\n               &lt;&lt; \"File: \" &lt;&lt; __FILE__ &lt;&lt; \"\\n\" \\\n               &lt;&lt; \"Line: \" &lt;&lt; __LINE__; \\\n            throw std::runtime_error(ss.str()); \\\n        } \\\n    } while (0)\n#else\n#define THREAD_ASSERT(condition, message) ((void)0)\n#endif<\/pre>\n\n\n\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u3068\u30c7\u30d0\u30c3\u30b0\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0\u306b\u3088\u308b\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306e\u7279\u5b9a<\/li>\n\n\n\n<li>\u30ed\u30c3\u30af\u306e\u7c92\u5ea6\u306e\u6700\u9069\u5316<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u30d1\u30bf\u30fc\u30f3\u306e\u6539\u5584<\/li>\n\n\n\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u30e9\u30a4\u30f3\u306e\u8003\u616e<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u9632\u6b62<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ed\u30c3\u30af\u306e\u968e\u5c64\u5316<\/li>\n\n\n\n<li>try_lock\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u7372\u5f97\u9806\u5e8f\u306e\u4e00\u8cab\u6027\u7dad\u6301<\/li>\n\n\n\n<li>\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u691c\u51fa\u6a5f\u69cb\u306e\u5b9f\u88c5<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30d0\u30c3\u30b0\u6280\u6cd5<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ed\u30ae\u30f3\u30b0\u6a5f\u69cb\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u306e\u9069\u5207\u306a\u4f7f\u7528<\/li>\n\n\n\n<li>\u30c7\u30d0\u30c3\u30b0\u30d3\u30eb\u30c9\u3067\u306e\u8ffd\u52a0\u30c1\u30a7\u30c3\u30af<\/li>\n\n\n\n<li>\u30c4\u30fc\u30eb\u306e\u52b9\u679c\u7684\u306a\u6d3b\u7528\uff08Valgrind, ThreadSanitizer\u7b49\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6280\u8853\u3092\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u9ad8\u54c1\u8cea\u306a\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30c7\u30d0\u30c3\u30b0\u3068\u6700\u9069\u5316\u306f\u7d99\u7d9a\u7684\u306a\u30d7\u30ed\u30bb\u30b9\u3067\u3042\u308a\u3001\u5e38\u306b\u65b0\u3057\u3044\u554f\u984c\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u6e96\u5099\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-16\">\u5b9f\u8df5\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3068\u5b9f\u88c5\u4f8b<\/h2>\n\n\n\n<p>\u5b9f\u969b\u306e\u958b\u767a\u73fe\u5834\u3067\u906d\u9047\u3059\u308b\u5177\u4f53\u7684\u306a\u30b7\u30ca\u30ea\u30aa\u306b\u57fa\u3065\u3044\u3066\u3001\u52b9\u7387\u7684\u306a\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u5b9f\u88c5\u306e\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u4e26\u5217\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u52b9\u7387\u7684\u306a\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u51e6\u7406\u3059\u308b\u4e26\u5217\u51e6\u7406\u306e\u5b9f\u88c5\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;vector&gt;\n#include &lt;thread&gt;\n#include &lt;future&gt;\n#include &lt;algorithm&gt;\n#include &lt;numeric&gt;\n#include &lt;functional&gt;\n\n\/\/ \u4e26\u5217\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\ntemplate&lt;typename Iterator, typename T, typename Function&gt;\nT parallel_reduce(Iterator first, Iterator last, T init, Function func) {\n    const size_t length = std::distance(first, last);\n    if (length == 0) {\n        return init;\n    }\n\n    const size_t min_per_thread = 25;\n    const size_t max_threads = \n        (length + min_per_thread - 1) \/ min_per_thread;\n    const size_t hardware_threads = \n        std::thread::hardware_concurrency();\n    const size_t num_threads = \n        std::min(hardware_threads != 0 ? hardware_threads : 2, max_threads);\n    const size_t block_size = length \/ num_threads;\n\n    std::vector&lt;std::future&lt;T&gt;&gt; futures(num_threads - 1);\n    std::vector&lt;std::thread&gt; threads(num_threads - 1);\n\n    Iterator block_start = first;\n    for (size_t i = 0; i &lt; num_threads - 1; ++i) {\n        Iterator block_end = block_start;\n        std::advance(block_end, block_size);\n\n        std::packaged_task&lt;T(Iterator, Iterator)&gt; task(\n            [func](Iterator start, Iterator end) {\n                return std::accumulate(start, end, T{}, func);\n            }\n        );\n\n        futures[i] = task.get_future();\n        threads[i] = std::thread(std::move(task), block_start, block_end);\n        block_start = block_end;\n    }\n\n    T result = std::accumulate(block_start, last, init, func);\n\n    for (size_t i = 0; i &lt; num_threads - 1; ++i) {\n        threads[i].join();\n        result = func(result, futures[i].get());\n    }\n\n    return result;\n}\n\n\/\/ \u4f7f\u7528\u4f8b\uff1a\u4e26\u5217\u30c7\u30fc\u30bf\u96c6\u8a08\nvoid parallel_processing_example() {\n    std::vector&lt;int&gt; data(10000000);\n    std::iota(data.begin(), data.end(), 0);  \/\/ 0\u304b\u3089\u9023\u756a\u3067\u521d\u671f\u5316\n\n    \/\/ \u4e26\u5217\u3067\u306e\u5408\u8a08\u8a08\u7b97\n    auto sum = parallel_reduce(data.begin(), data.end(), 0,\n        std::plus&lt;int&gt;());\n\n    \/\/ \u4e26\u5217\u3067\u306e\u6700\u5927\u5024\u691c\u7d22\n    auto max = parallel_reduce(data.begin(), data.end(),\n        std::numeric_limits&lt;int&gt;::min(),\n        [](int a, int b) { return std::max(a, b); });\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u975e\u540c\u671fI\/O\u51e6\u7406\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>I\/O\u51e6\u7406\u3092\u52b9\u7387\u7684\u306b\u884c\u3046\u305f\u3081\u306e\u975e\u540c\u671f\u51e6\u7406\u5b9f\u88c5\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;queue&gt;\n#include &lt;thread&gt;\n#include &lt;future&gt;\n#include &lt;fstream&gt;\n#include &lt;string&gt;\n\n\/\/ \u975e\u540c\u671f\u30d5\u30a1\u30a4\u30eb\u51e6\u7406\u30af\u30e9\u30b9\nclass AsyncFileProcessor {\n    std::queue&lt;std::function&lt;void()&gt;&gt; tasks_;\n    std::mutex mutex_;\n    std::condition_variable cv_;\n    std::thread worker_;\n    bool stop_;\n\n    void worker_thread() {\n        while (true) {\n            std::function&lt;void()&gt; task;\n            {\n                std::unique_lock&lt;std::mutex&gt; lock(mutex_);\n                cv_.wait(lock, [this] {\n                    return !tasks_.empty() || stop_;\n                });\n\n                if (stop_ &amp;&amp; tasks_.empty()) {\n                    return;\n                }\n\n                task = std::move(tasks_.front());\n                tasks_.pop();\n            }\n            task();\n        }\n    }\n\npublic:\n    AsyncFileProcessor() : stop_(false) {\n        worker_ = std::thread(&amp;AsyncFileProcessor::worker_thread, this);\n    }\n\n    ~AsyncFileProcessor() {\n        {\n            std::lock_guard&lt;std::mutex&gt; lock(mutex_);\n            stop_ = true;\n        }\n        cv_.notify_one();\n        worker_.join();\n    }\n\n    \/\/ \u975e\u540c\u671f\u30d5\u30a1\u30a4\u30eb\u66f8\u304d\u8fbc\u307f\n    std::future&lt;void&gt; write_async(const std::string&amp; filename,\n                                 const std::string&amp; data) {\n        auto promise = std::make_shared&lt;std::promise&lt;void&gt;&gt;();\n        auto future = promise-&gt;get_future();\n\n        {\n            std::lock_guard&lt;std::mutex&gt; lock(mutex_);\n            tasks_.push([filename, data, promise]() {\n                try {\n                    std::ofstream file(filename);\n                    file &lt;&lt; data;\n                    promise-&gt;set_value();\n                }\n                catch (...) {\n                    promise-&gt;set_exception(std::current_exception());\n                }\n            });\n        }\n        cv_.notify_one();\n        return future;\n    }\n\n    \/\/ \u975e\u540c\u671f\u30d5\u30a1\u30a4\u30eb\u8aad\u307f\u8fbc\u307f\n    std::future&lt;std::string&gt; read_async(const std::string&amp; filename) {\n        auto promise = std::make_shared&lt;std::promise&lt;std::string&gt;&gt;();\n        auto future = promise-&gt;get_future();\n\n        {\n            std::lock_guard&lt;std::mutex&gt; lock(mutex_);\n            tasks_.push([filename, promise]() {\n                try {\n                    std::ifstream file(filename);\n                    std::stringstream buffer;\n                    buffer &lt;&lt; file.rdbuf();\n                    promise-&gt;set_value(buffer.str());\n                }\n                catch (...) {\n                    promise-&gt;set_exception(std::current_exception());\n                }\n            });\n        }\n        cv_.notify_one();\n        return future;\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30b7\u30b9\u30c6\u30e0\u3067\u306e\u30b9\u30ec\u30c3\u30c9\u6d3b\u7528\u4e8b\u4f8b<\/h3>\n\n\n\n<p>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u52b9\u7387\u7684\u306a\u30b9\u30ec\u30c3\u30c9\u7ba1\u7406\u306e\u5b9f\u88c5\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;chrono&gt;\n#include &lt;thread&gt;\n#include &lt;atomic&gt;\n#include &lt;vector&gt;\n#include &lt;queue&gt;\n\n\/\/ \u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30bf\u30b9\u30af\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\nclass RealTimeScheduler {\n    struct Task {\n        std::function&lt;void()&gt; function;\n        std::chrono::steady_clock::time_point schedule_time;\n        std::chrono::milliseconds interval;\n        bool recurring;\n\n        bool operator&gt;(const Task&amp; other) const {\n            return schedule_time &gt; other.schedule_time;\n        }\n    };\n\n    std::priority_queue&lt;Task, std::vector&lt;Task&gt;, std::greater&lt;&gt;&gt; tasks_;\n    std::mutex mutex_;\n    std::condition_variable cv_;\n    std::atomic&lt;bool&gt; running_{true};\n    std::thread scheduler_thread_;\n\n    void scheduler_loop() {\n        while (running_) {\n            std::unique_lock&lt;std::mutex&gt; lock(mutex_);\n\n            if (tasks_.empty()) {\n                cv_.wait(lock);\n                continue;\n            }\n\n            auto now = std::chrono::steady_clock::now();\n            auto&amp; task = tasks_.top();\n\n            if (task.schedule_time &lt;= now) {\n                auto task_copy = task;\n                tasks_.pop();\n\n                if (task.recurring) {\n                    task.schedule_time += task.interval;\n                    tasks_.push(task);\n                }\n\n                lock.unlock();\n                task_copy.function();\n            } else {\n                cv_.wait_until(lock, task.schedule_time);\n            }\n        }\n    }\n\npublic:\n    RealTimeScheduler() {\n        scheduler_thread_ = std::thread(&amp;RealTimeScheduler::scheduler_loop,\n                                      this);\n    }\n\n    ~RealTimeScheduler() {\n        running_ = false;\n        cv_.notify_one();\n        scheduler_thread_.join();\n    }\n\n    \/\/ \u4e00\u56de\u9650\u308a\u306e\u30bf\u30b9\u30af\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\n    void schedule_once(std::function&lt;void()&gt; func,\n                      std::chrono::steady_clock::time_point time) {\n        std::lock_guard&lt;std::mutex&gt; lock(mutex_);\n        tasks_.push(Task{\n            std::move(func),\n            time,\n            std::chrono::milliseconds(0),\n            false\n        });\n        cv_.notify_one();\n    }\n\n    \/\/ \u5b9a\u671f\u7684\u306a\u30bf\u30b9\u30af\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\n    void schedule_recurring(std::function&lt;void()&gt; func,\n                          std::chrono::milliseconds interval) {\n        std::lock_guard&lt;std::mutex&gt; lock(mutex_);\n        tasks_.push(Task{\n            std::move(func),\n            std::chrono::steady_clock::now() + interval,\n            interval,\n            true\n        });\n        cv_.notify_one();\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nvoid realtime_system_example() {\n    RealTimeScheduler scheduler;\n\n    \/\/ \u30bb\u30f3\u30b5\u30fc\u30c7\u30fc\u30bf\u53ce\u96c6\u30bf\u30b9\u30af\uff08100ms\u9593\u9694\uff09\n    scheduler.schedule_recurring([]() {\n        \/\/ \u30bb\u30f3\u30b5\u30fc\u30c7\u30fc\u30bf\u53ce\u96c6\u51e6\u7406\n    }, std::chrono::milliseconds(100));\n\n    \/\/ \u5236\u5fa1\u30eb\u30fc\u30d7\u30bf\u30b9\u30af\uff0850ms\u9593\u9694\uff09\n    scheduler.schedule_recurring([]() {\n        \/\/ \u5236\u5fa1\u51e6\u7406\n    }, std::chrono::milliseconds(50));\n\n    \/\/ 5\u79d2\u5f8c\u306b\u5b9f\u884c\u3055\u308c\u308b\u4e00\u56de\u9650\u308a\u306e\u30bf\u30b9\u30af\n    scheduler.schedule_once([]() {\n        \/\/ \u521d\u671f\u5316\u51e6\u7406\n    }, std::chrono::steady_clock::now() + std::chrono::seconds(5));\n}<\/pre>\n\n\n\n<p>\u5b9f\u8df5\u7684\u306a\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e26\u5217\u30c7\u30fc\u30bf\u51e6\u7406<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u5206\u5272\u306e\u6700\u9069\u5316<\/li>\n\n\n\n<li>\u30b9\u30ec\u30c3\u30c9\u6570\u306e\u9069\u5207\u306a\u9078\u629e<\/li>\n\n\n\n<li>\u7d50\u679c\u306e\u52b9\u7387\u7684\u306a\u96c6\u7d04<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306e\u5b9f\u88c5<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u975e\u540c\u671fI\/O\u51e6\u7406<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30bf\u30b9\u30af\u30ad\u30e5\u30fc\u306e\u52b9\u7387\u7684\u306a\u7ba1\u7406<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u306e\u9069\u5207\u306a\u89e3\u653e<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u72b6\u614b\u306e\u4f1d\u64ad<\/li>\n\n\n\n<li>\u30ad\u30e3\u30f3\u30bb\u30ec\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u306e\u5b9f\u88c5<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30b7\u30b9\u30c6\u30e0<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30bf\u30a4\u30df\u30f3\u30b0\u5236\u7d04\u306e\u9075\u5b88<\/li>\n\n\n\n<li>\u512a\u5148\u5ea6\u30d9\u30fc\u30b9\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0<\/li>\n\n\n\n<li>\u30c7\u30c3\u30c9\u30e9\u30a4\u30f3\u7ba1\u7406<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u4f7f\u7528\u306e\u6700\u9069\u5316<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u88c5\u4f8b\u306f\u3001\u5b9f\u969b\u306e\u958b\u767a\u73fe\u5834\u3067\u906d\u9047\u3059\u308b\u5178\u578b\u7684\u306a\u8ab2\u984c\u306b\u5bfe\u3059\u308b\u89e3\u6c7a\u7b56\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u5404\u30b7\u30b9\u30c6\u30e0\u306e\u8981\u4ef6\u306b\u5fdc\u3058\u3066\u9069\u5207\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Warning: Undefined array key &#8220;is_admin&#8221; 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