{"id":117338,"date":"2024-03-23T10:01:44","date_gmt":"2024-03-23T01:01:44","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/golang%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e3%82%b9%e3%83%ac%e3%83%83%e3%83%89%e3%83%97%e3%83%bc%e3%83%ab%e3%82%92%e5%ae%9f%e8%a3%85%e3%81%99%e3%82%8b%e3%81%8b\/"},"modified":"2024-04-04T11:52:09","modified_gmt":"2024-04-04T02:52:09","slug":"golang%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e3%82%b9%e3%83%ac%e3%83%83%e3%83%89%e3%83%97%e3%83%bc%e3%83%ab%e3%82%92%e5%ae%9f%e8%a3%85%e3%81%99%e3%82%8b%e3%81%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/golang%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e3%82%b9%e3%83%ac%e3%83%83%e3%83%89%e3%83%97%e3%83%bc%e3%83%ab%e3%82%92%e5%ae%9f%e8%a3%85%e3%81%99%e3%82%8b%e3%81%8b\/","title":{"rendered":"golang\u3069\u306e\u3088\u3046\u306b\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u3092\u5b9f\u88c5\u3059\u308b\u304b"},"content":{"rendered":"<p>Go\u8a00\u8a9e\u3067\u306f\u3001goroutine\u3084\u30c1\u30e3\u30cd\u30eb\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u306e\u6a5f\u80fd\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u7c21\u5358\u306a\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">package<\/span> main\r\n\r\n<span class=\"hljs-keyword\">import<\/span> (\r\n\t<span class=\"hljs-string\">\"fmt\"<\/span>\r\n\t<span class=\"hljs-string\">\"sync\"<\/span>\r\n)\r\n\r\n<span class=\"hljs-keyword\">type<\/span> Job <span class=\"hljs-keyword\">struct<\/span> {\r\n\tid <span class=\"hljs-type\">int<\/span>\r\n}\r\n\r\n<span class=\"hljs-keyword\">type<\/span> Worker <span class=\"hljs-keyword\">struct<\/span> {\r\n\tid         <span class=\"hljs-type\">int<\/span>\r\n\tjobChannel <span class=\"hljs-keyword\">chan<\/span> Job\r\n\tquit       <span class=\"hljs-keyword\">chan<\/span> <span class=\"hljs-type\">bool<\/span>\r\n}\r\n\r\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">func<\/span> <span class=\"hljs-title\">NewWorker<\/span><span class=\"hljs-params\">(id <span class=\"hljs-type\">int<\/span>, jobChannel <span class=\"hljs-keyword\">chan<\/span> Job)<\/span><\/span> *Worker {\r\n\t<span class=\"hljs-keyword\">return<\/span> &amp;Worker{\r\n\t\tid:         id,\r\n\t\tjobChannel: jobChannel,\r\n\t\tquit:       <span class=\"hljs-built_in\">make<\/span>(<span class=\"hljs-keyword\">chan<\/span> <span class=\"hljs-type\">bool<\/span>),\r\n\t}\r\n}\r\n\r\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">func<\/span> <span class=\"hljs-params\">(w *Worker)<\/span><\/span> Start(wg *sync.WaitGroup) {\r\n\t<span class=\"hljs-keyword\">go<\/span> <span class=\"hljs-function\"><span class=\"hljs-keyword\">func<\/span><span class=\"hljs-params\">()<\/span><\/span> {\r\n\t\t<span class=\"hljs-keyword\">defer<\/span> wg.Done()\r\n\t\t<span class=\"hljs-keyword\">for<\/span> {\r\n\t\t\t<span class=\"hljs-keyword\">select<\/span> {\r\n\t\t\t<span class=\"hljs-keyword\">case<\/span> job := &lt;-w.jobChannel:\r\n\t\t\t\tfmt.Printf(<span class=\"hljs-string\">\"Worker %d started job %d\\n\"<\/span>, w.id, job.id)\r\n\t\t\t\t<span class=\"hljs-comment\">\/\/ \u6a21\u62df\u5904\u7406\u4efb\u52a1<\/span>\r\n\t\t\t\t<span class=\"hljs-comment\">\/\/ time.Sleep(time.Second)<\/span>\r\n\t\t\t\tfmt.Printf(<span class=\"hljs-string\">\"Worker %d finished job %d\\n\"<\/span>, w.id, job.id)\r\n\t\t\t<span class=\"hljs-keyword\">case<\/span> &lt;-w.quit:\r\n\t\t\t\t<span class=\"hljs-keyword\">return<\/span>\r\n\t\t\t}\r\n\t\t}\r\n\t}()\r\n}\r\n\r\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">func<\/span> <span class=\"hljs-params\">(w *Worker)<\/span><\/span> Stop() {\r\n\t<span class=\"hljs-keyword\">go<\/span> <span class=\"hljs-function\"><span class=\"hljs-keyword\">func<\/span><span class=\"hljs-params\">()<\/span><\/span> {\r\n\t\tw.quit &lt;- <span class=\"hljs-literal\">true<\/span>\r\n\t}()\r\n}\r\n\r\n<span class=\"hljs-keyword\">type<\/span> Pool <span class=\"hljs-keyword\">struct<\/span> {\r\n\tjobChannel <span class=\"hljs-keyword\">chan<\/span> Job\r\n\tworkers    []*Worker\r\n\twg         sync.WaitGroup\r\n}\r\n\r\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">func<\/span> <span class=\"hljs-title\">NewPool<\/span><span class=\"hljs-params\">(numWorkers, maxJobs <span class=\"hljs-type\">int<\/span>)<\/span><\/span> *Pool {\r\n\tjobChannel := <span class=\"hljs-built_in\">make<\/span>(<span class=\"hljs-keyword\">chan<\/span> Job, maxJobs)\r\n\tworkers := <span class=\"hljs-built_in\">make<\/span>([]*Worker, numWorkers)\r\n\r\n\t<span class=\"hljs-keyword\">for<\/span> i := <span class=\"hljs-number\">0<\/span>; i &lt; numWorkers; i++ {\r\n\t\tworkers[i] = NewWorker(i+<span class=\"hljs-number\">1<\/span>, jobChannel)\r\n\t}\r\n\r\n\t<span class=\"hljs-keyword\">return<\/span> &amp;Pool{\r\n\t\tjobChannel: jobChannel,\r\n\t\tworkers:    workers,\r\n\t}\r\n}\r\n\r\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">func<\/span> <span class=\"hljs-params\">(p *Pool)<\/span><\/span> Start() {\r\n\t<span class=\"hljs-keyword\">for<\/span> _, worker := <span class=\"hljs-keyword\">range<\/span> p.workers {\r\n\t\tworker.Start(&amp;p.wg)\r\n\t\tp.wg.Add(<span class=\"hljs-number\">1<\/span>)\r\n\t}\r\n}\r\n\r\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">func<\/span> <span class=\"hljs-params\">(p *Pool)<\/span><\/span> AddJob(job Job) {\r\n\tp.jobChannel &lt;- job\r\n}\r\n\r\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">func<\/span> <span class=\"hljs-params\">(p *Pool)<\/span><\/span> Stop() {\r\n\t<span class=\"hljs-keyword\">for<\/span> _, worker := <span class=\"hljs-keyword\">range<\/span> p.workers {\r\n\t\tworker.Stop()\r\n\t}\r\n\tp.wg.Wait()\r\n\t<span class=\"hljs-built_in\">close<\/span>(p.jobChannel)\r\n}\r\n\r\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">func<\/span> <span class=\"hljs-title\">main<\/span><span class=\"hljs-params\">()<\/span><\/span> {\r\n\tpool := NewPool(<span class=\"hljs-number\">3<\/span>, <span class=\"hljs-number\">10<\/span>)\r\n\tpool.Start()\r\n\r\n\t<span class=\"hljs-keyword\">for<\/span> i := <span class=\"hljs-number\">0<\/span>; i &lt; <span class=\"hljs-number\">10<\/span>; i++ {\r\n\t\tpool.AddJob(Job{id: i + <span class=\"hljs-number\">1<\/span>})\r\n\t}\r\n\r\n\tpool.Stop()\r\n}\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u3001Job\u69cb\u9020\u4f53\u306f\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u30bf\u30b9\u30af\u3092\u8868\u3057\u3001Worker\u69cb\u9020\u4f53\u306f\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u306e\u30ef\u30fc\u30ab\u30fc\u30b4\u30eb\u30fc\u30c1\u30f3\u3092\u8868\u3057\u307e\u3059\u3002Pool\u69cb\u9020\u4f53\u306f\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u3092\u8868\u3057\u3001\u30bf\u30b9\u30af\u3078\u306e\u30c1\u30e3\u30cd\u30eb\u3068\u8907\u6570\u306e\u30ef\u30fc\u30ab\u30fc\u30b4\u30eb\u30fc\u30c1\u30f3\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n<p>Pool\u306eStart\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u3001\u5404\u30ef\u30fc\u30ab\u30fc\u30921\u3064\u306e\u72ec\u7acb\u3057\u305f\u30b4\u30eb\u30fc\u30c1\u30f3\u3067\u8d77\u52d5\u3057\u3001\u30ef\u30fc\u30ab\u30fc\u30b4\u30eb\u30fc\u30c1\u30f3\u304c\u30bf\u30b9\u30af\u3092\u5b8c\u4e86\u3059\u308b\u306e\u3092\u5f85\u3063\u3066\u5b8c\u4e86\u3055\u305b\u307e\u3059\u3002<\/p>\n<p>\u30bf\u30b9\u30af\u3092\u30bf\u30b9\u30af\u30c1\u30e3\u30f3\u30cd\u30eb\u306b\u8ffd\u52a0\u3059\u308b\u3068\u3001\u30ef\u30fc\u30ab\u30fc\u304c\u30c1\u30e3\u30f3\u30cd\u30eb\u304b\u3089\u30bf\u30b9\u30af\u3092\u53d6\u5f97\u3057\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>\u6700\u5f8c\u306b\u3001main \u95a2\u6570\u3067\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u3092\u4f5c\u6210\u3057\u3001\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u306b 10 \u306e\u30bf\u30b9\u30af\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u306e Stop \u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3001\u30bf\u30b9\u30af\u306e\u5b9f\u884c\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u5f85\u6a5f\u3057\u307e\u3059\u3002<\/p>\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u30bf\u30b9\u30af\u306f\u5358\u306b\u60c5\u5831\u3092\u5370\u5237\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5b9f\u969b\u306b\u306f\u30bf\u30b9\u30af\u306e\u5b9f\u884c\u30ed\u30b8\u30c3\u30af\u306f\u3001\u3042\u306a\u305f\u306e\u30cb\u30fc\u30ba\u306b\u57fa\u3065\u3044\u3066\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Go\u8a00\u8a9e\u3067\u306f\u3001goroutine\u3084\u30c1\u30e3\u30cd\u30eb\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u306e\u6a5f\u80fd\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u7c21\u5358\u306a\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002 package main import ( &#8220;fmt&#8221; &#8220;sync&#8221; ) type Job stru [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-117338","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>golang\u3069\u306e\u3088\u3046\u306b\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u3092\u5b9f\u88c5\u3059\u308b\u304b - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/golang\u3069\u306e\u3088\u3046\u306b\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u3092\u5b9f\u88c5\u3059\u308b\u304b\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"golang\u3069\u306e\u3088\u3046\u306b\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u3092\u5b9f\u88c5\u3059\u308b\u304b\" \/>\n<meta property=\"og:description\" content=\"Go\u8a00\u8a9e\u3067\u306f\u3001goroutine\u3084\u30c1\u30e3\u30cd\u30eb\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u306e\u6a5f\u80fd\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u7c21\u5358\u306a\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002 package main import ( &quot;fmt&quot; &quot;sync&quot; ) type Job stru [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/golang\u3069\u306e\u3088\u3046\u306b\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u3092\u5b9f\u88c5\u3059\u308b\u304b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta 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