{"id":123413,"date":"2024-03-24T11:10:05","date_gmt":"2024-03-24T02:10:05","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/%e5%8a%b9%e6%9e%9c%e7%9a%84%e3%81%ab%e4%b8%a6%e8%a1%8c%e3%81%97%e3%81%a6%e5%ae%9f%e8%a1%8c%e3%81%99%e3%82%8b%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%9f%e3%83%b3%e3%82%b0%ef%bc%9ago-%e3%81%ae-waitgro\/"},"modified":"2024-04-05T07:12:34","modified_gmt":"2024-04-04T22:12:34","slug":"%e5%8a%b9%e6%9e%9c%e7%9a%84%e3%81%ab%e4%b8%a6%e8%a1%8c%e3%81%97%e3%81%a6%e5%ae%9f%e8%a1%8c%e3%81%99%e3%82%8b%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%9f%e3%83%b3%e3%82%b0%ef%bc%9ago-%e3%81%ae-waitgro","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/%e5%8a%b9%e6%9e%9c%e7%9a%84%e3%81%ab%e4%b8%a6%e8%a1%8c%e3%81%97%e3%81%a6%e5%ae%9f%e8%a1%8c%e3%81%99%e3%82%8b%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%9f%e3%83%b3%e3%82%b0%ef%bc%9ago-%e3%81%ae-waitgro\/","title":{"rendered":"\u52b9\u679c\u7684\u306b\u4e26\u884c\u3057\u3066\u5b9f\u884c\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\uff1aGo \u306e WaitGroup \u3068 Goroutine Pool \u306e\u4f7f\u7528"},"content":{"rendered":"<p>Go\u8a00\u8a9e\u3067\u306f\u3001WaitGroup\u3068Goroutine\u30d7\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306a\u4e26\u5217\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>WaitGroup\uff1a\u5b8c\u4e86\u3059\u308b\u307e\u3067\u4e00\u7d44\u306e\u30b4\u30eb\u30fc\u30c1\u30f3\u3092\u5f85\u6a5f\u3059\u308b\u30ab\u30a6\u30f3\u30bf\u3002\u30e1\u30a4\u30f3\u30b4\u30eb\u30fc\u30c1\u30f3\u3067\u30ab\u30a6\u30f3\u30bf\u306e\u6570\u3060\u3051\u52a0\u7b97\u3057\u3001\u5404\u30b4\u30eb\u30fc\u30c1\u30f3\u3067\u51e6\u7406\u304c\u5b8c\u4e86\u3059\u308b\u3068\u30ab\u30a6\u30f3\u30bf\u306e\u6570\u3092\u6e1b\u7b97\u3057\u307e\u3059\u3002\u30e1\u30a4\u30f3\u30b4\u30eb\u30fc\u30c1\u30f3\u3067\u306fWait\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u5168\u3066\u306e\u30b4\u30eb\u30fc\u30c1\u30f3\u304c\u51e6\u7406\u3092\u7d42\u3048\u308b\u307e\u3067\u5f85\u6a5f\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>WaitGroup\u3092\u4f7f\u7528\u3057\u305f\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">package<\/span> main\r\n<span class=\"hljs-keyword\">import<\/span> (\r\n<span class=\"hljs-string\">\"fmt\"<\/span>\r\n<span class=\"hljs-string\">\"sync\"<\/span>\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<span class=\"hljs-keyword\">var<\/span> wg sync.WaitGroup\r\nwg.Add(<span class=\"hljs-number\">2<\/span>)\r\n<span class=\"hljs-keyword\">go<\/span> <span class=\"hljs-function\"><span class=\"hljs-keyword\">func<\/span><span class=\"hljs-params\">()<\/span><\/span> {\r\n<span class=\"hljs-keyword\">defer<\/span> wg.Done()\r\n<span class=\"hljs-comment\">\/\/ \u7b2c\u4e00\u4e2a\u534f\u7a0b\u7684\u4efb\u52a1<\/span>\r\nfmt.Println(<span class=\"hljs-string\">\"\u534f\u7a0b1\u5b8c\u6210\"<\/span>)\r\n}()\r\n<span class=\"hljs-keyword\">go<\/span> <span class=\"hljs-function\"><span class=\"hljs-keyword\">func<\/span><span class=\"hljs-params\">()<\/span><\/span> {\r\n<span class=\"hljs-keyword\">defer<\/span> wg.Done()\r\n<span class=\"hljs-comment\">\/\/ \u7b2c\u4e8c\u4e2a\u534f\u7a0b\u7684\u4efb\u52a1<\/span>\r\nfmt.Println(<span class=\"hljs-string\">\"\u534f\u7a0b2\u5b8c\u6210\"<\/span>)\r\n}()\r\nwg.Wait()\r\nfmt.Println(<span class=\"hljs-string\">\"\u6240\u6709\u534f\u7a0b\u5b8c\u6210\"<\/span>)\r\n}\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<pre class=\"post-pre\"><code>\u534f\u7a0b2\u5b8c\u6210\r\n\u534f\u7a0b1\u5b8c\u6210\r\n\u6240\u6709\u534f\u7a0b\u5b8c\u6210\r\n<\/code><\/pre>\n<ol>\n<li>\u30b3\u30eb\u30fc\u30c1\u30f3\u30fb\u30d7\u30fc\u30eb: \u30b3\u30eb\u30fc\u30c1\u30f3\u30fb\u30d7\u30fc\u30eb\u306f\u3001\u4e26\u5217\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u308f\u308c\u308b\u3001\u518d\u5229\u7528\u53ef\u80fd\u306a\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u30bb\u30c3\u30c8\u3067\u3059\u3002\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u6570\u3092\u5236\u9650\u3059\u308b\u3053\u3068\u3067\u3001\u904e\u5270\u306a\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u4f5c\u6210\u306b\u3088\u308b\u30b7\u30b9\u30c6\u30e0\u30ea\u30bd\u30fc\u30b9\u306e\u67af\u6e07\u3092\u9632\u304e\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u4ee5\u4e0b\u306b\u3001\u7c21\u7d20\u306a\u30b3\u30eb\u30fc\u30c1\u30f3\u30d7\u30fc\u30eb\u306e\u30b5\u30f3\u30d7\u30eb\u5b9f\u88c5\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">package<\/span> main\r\n<span class=\"hljs-keyword\">import<\/span> (\r\n<span class=\"hljs-string\">\"fmt\"<\/span>\r\n)\r\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">func<\/span> <span class=\"hljs-title\">worker<\/span><span class=\"hljs-params\">(id <span class=\"hljs-type\">int<\/span>, jobs &lt;-<span class=\"hljs-keyword\">chan<\/span> <span class=\"hljs-type\">int<\/span>, results <span class=\"hljs-keyword\">chan<\/span>&lt;- <span class=\"hljs-type\">int<\/span>)<\/span><\/span> {\r\n<span class=\"hljs-keyword\">for<\/span> j := <span class=\"hljs-keyword\">range<\/span> jobs {\r\n<span class=\"hljs-comment\">\/\/ \u5904\u7406\u4efb\u52a1\u7684\u903b\u8f91<\/span>\r\nfmt.Println(<span class=\"hljs-string\">\"worker\"<\/span>, id, <span class=\"hljs-string\">\"\u5f00\u59cb\u5904\u7406\u4efb\u52a1\"<\/span>, j)\r\nresults &lt;- j * <span class=\"hljs-number\">2<\/span>\r\nfmt.Println(<span class=\"hljs-string\">\"worker\"<\/span>, id, <span class=\"hljs-string\">\"\u5b8c\u6210\u4efb\u52a1\"<\/span>, j)\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<span class=\"hljs-keyword\">const<\/span> numJobs = <span class=\"hljs-number\">5<\/span>\r\njobs := <span class=\"hljs-built_in\">make<\/span>(<span class=\"hljs-keyword\">chan<\/span> <span class=\"hljs-type\">int<\/span>, numJobs)\r\nresults := <span class=\"hljs-built_in\">make<\/span>(<span class=\"hljs-keyword\">chan<\/span> <span class=\"hljs-type\">int<\/span>, numJobs)\r\n<span class=\"hljs-comment\">\/\/ \u542f\u52a83\u4e2a\u534f\u7a0b\u6c60<\/span>\r\n<span class=\"hljs-keyword\">for<\/span> w := <span class=\"hljs-number\">1<\/span>; w &lt;= <span class=\"hljs-number\">3<\/span>; w++ {\r\n<span class=\"hljs-keyword\">go<\/span> worker(w, jobs, results)\r\n}\r\n<span class=\"hljs-comment\">\/\/ \u6dfb\u52a0\u4efb\u52a1\u5230\u4efb\u52a1\u901a\u9053<\/span>\r\n<span class=\"hljs-keyword\">for<\/span> j := <span class=\"hljs-number\">1<\/span>; j &lt;= numJobs; j++ {\r\njobs &lt;- j\r\n}\r\n<span class=\"hljs-built_in\">close<\/span>(jobs)\r\n<span class=\"hljs-comment\">\/\/ \u8bfb\u53d6\u4efb\u52a1\u7ed3\u679c<\/span>\r\n<span class=\"hljs-keyword\">for<\/span> r := <span class=\"hljs-number\">1<\/span>; r &lt;= numJobs; r++ {\r\nfmt.Println(&lt;-results)\r\n}\r\n}\r\n<\/code><\/pre>\n<p>\u51fa\u529b\u3092\u65e5\u672c\u4eba\u306e\u6bcd\u56fd\u8a9e\u306b\u3059\u308b\u306b\u306f\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u306f 1 \u3064\u3057\u304b\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<pre class=\"post-pre\"><code>worker 3 \u5f00\u59cb\u5904\u7406\u4efb\u52a1 1\r\nworker 1 \u5f00\u59cb\u5904\u7406\u4efb\u52a1 2\r\nworker 2 \u5f00\u59cb\u5904\u7406\u4efb\u52a1 3\r\nworker 1 \u5b8c\u6210\u4efb\u52a1 2\r\nworker 1 \u5f00\u59cb\u5904\u7406\u4efb\u52a1 4\r\nworker 2 \u5b8c\u6210\u4efb\u52a1 3\r\nworker 3 \u5b8c\u6210\u4efb\u52a1 1\r\nworker 1 \u5b8c\u6210\u4efb\u52a1 4\r\nworker 2 \u5f00\u59cb\u5904\u7406\u4efb\u52a1 5\r\nworker 2 \u5b8c\u6210\u4efb\u52a1 5\r\n2\r\n4\r\n6\r\n8\r\n10\r\n<\/code><\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\uff13\u3064\u306e\u30b3\u30eb\u30fc\u30c1\u30f3\u30fb\u30d7\u30fc\u30eb\u3092\u8d77\u52d5\u3057\u3001\u305d\u308c\u305e\u308c\u306e\u30d7\u30fc\u30eb\u306f\u9023\u7d9a\u7684\u306b\u30bf\u30b9\u30af\u30c1\u30e3\u30cd\u30eb\u304b\u3089\u30bf\u30b9\u30af\u3092\u53d6\u5f97\u3057\u3066\u51e6\u7406\u3059\u308b\u3002\u30bf\u30b9\u30af\u306e\u7d50\u679c\u306f\u7d50\u679c\u30c1\u30e3\u30cd\u30eb\u306b\u9001\u4fe1\u3055\u308c\u3001\u6700\u5f8c\u306b\u7d50\u679c\u30c1\u30e3\u30cd\u30eb\u306e\u7d50\u679c\u304c\u8aad\u307f\u53d6\u3089\u308c\u308b\u3002<\/p>\n<p>WaitGroup\u3068\u30b4\u30eb\u30fc\u30c1\u30f3\u30d7\u30fc\u30eb\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306b\u4e26\u884c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u5b9f\u73fe\u3057\u3001\u30de\u30eb\u30c1\u30b3\u30a2\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Go\u8a00\u8a9e\u3067\u306f\u3001WaitGroup\u3068Goroutine\u30d7\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306a\u4e26\u5217\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002 WaitGroup\uff1a\u5b8c\u4e86\u3059\u308b\u307e\u3067\u4e00\u7d44\u306e\u30b4\u30eb\u30fc\u30c1\u30f3\u3092\u5f85\u6a5f\u3059\u308b\u30ab\u30a6\u30f3\u30bf\u3002\u30e1\u30a4\u30f3\u30b4\u30eb\u30fc\u30c1\u30f3\u3067\u30ab\u30a6\u30f3\u30bf\u306e\u6570\u3060 [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-123413","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>\u52b9\u679c\u7684\u306b\u4e26\u884c\u3057\u3066\u5b9f\u884c\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\uff1aGo \u306e WaitGroup \u3068 Goroutine Pool \u306e\u4f7f\u7528 - 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\/\u52b9\u679c\u7684\u306b\u4e26\u884c\u3057\u3066\u5b9f\u884c\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\uff1ago-\u306e-waitgro\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u52b9\u679c\u7684\u306b\u4e26\u884c\u3057\u3066\u5b9f\u884c\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\uff1aGo \u306e WaitGroup \u3068 Goroutine Pool \u306e\u4f7f\u7528\" \/>\n<meta property=\"og:description\" content=\"Go\u8a00\u8a9e\u3067\u306f\u3001WaitGroup\u3068Goroutine\u30d7\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306a\u4e26\u5217\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002 WaitGroup\uff1a\u5b8c\u4e86\u3059\u308b\u307e\u3067\u4e00\u7d44\u306e\u30b4\u30eb\u30fc\u30c1\u30f3\u3092\u5f85\u6a5f\u3059\u308b\u30ab\u30a6\u30f3\u30bf\u3002\u30e1\u30a4\u30f3\u30b4\u30eb\u30fc\u30c1\u30f3\u3067\u30ab\u30a6\u30f3\u30bf\u306e\u6570\u3060 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/\u52b9\u679c\u7684\u306b\u4e26\u884c\u3057\u3066\u5b9f\u884c\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\uff1ago-\u306e-waitgro\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-24T02:10:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-04T22:12:34+00:00\" \/>\n<meta name=\"author\" content=\"\u5149, \u660e\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u5149, \u660e\" \/>\n\t<meta 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