{"id":123425,"date":"2024-03-24T11:14:07","date_gmt":"2024-03-24T02:14:07","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/go-waitgroup%e3%81%a8go%e3%81%ab%e3%82%88%e3%82%8b%e4%b8%a6%e5%88%97%e5%87%a6%e7%90%86%e3%81%ae%e3%83%99%e3%82%b9%e3%83%88%e3%83%bb%e3%83%97%e3%83%a9%e3%82%af%e3%83%86%e3%82%a3%e3%82%b9\/"},"modified":"2024-04-05T19:55:44","modified_gmt":"2024-04-05T10:55:44","slug":"go-waitgroup%e3%81%a8go%e3%81%ab%e3%82%88%e3%82%8b%e4%b8%a6%e5%88%97%e5%87%a6%e7%90%86%e3%81%ae%e3%83%99%e3%82%b9%e3%83%88%e3%83%bb%e3%83%97%e3%83%a9%e3%82%af%e3%83%86%e3%82%a3%e3%82%b9","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/go-waitgroup%e3%81%a8go%e3%81%ab%e3%82%88%e3%82%8b%e4%b8%a6%e5%88%97%e5%87%a6%e7%90%86%e3%81%ae%e3%83%99%e3%82%b9%e3%83%88%e3%83%bb%e3%83%97%e3%83%a9%e3%82%af%e3%83%86%e3%82%a3%e3%82%b9\/","title":{"rendered":"Go WaitGroup\u3068Go\u306b\u3088\u308b\u4e26\u5217\u51e6\u7406\u306e\u30d9\u30b9\u30c8\u30fb\u30d7\u30e9\u30af\u30c6\u30a3\u30b9"},"content":{"rendered":"<p>Go\u306eWaitGroup\u306f\u3001\u30b4\u30eb\u30fc\u30c1\u30f3\u7fa4\u306e\u5b8c\u4e86\u307e\u3067\u5f85\u3064\u305f\u3081\u306b\u975e\u5e38\u306b\u4fbf\u5229\u306a\u3001\u4e26\u884c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u30c4\u30fc\u30eb\u3067\u3059\u3002Go\u306b\u304a\u3044\u3066\u3001WaitGroup\u306f\u30b4\u30eb\u30fc\u30c1\u30f3\u7fa4\u306e\u30bf\u30b9\u30af\u5b8c\u4e86\u3092\u5f85\u3064\u305f\u3081\u306e\u30ab\u30a6\u30f3\u30bf\u4ed8\u304d\u30bb\u30de\u30d5\u30a9\u3067\u3059\u3002<\/p>\n<p>WaitGroup \u3092\u4f7f\u7528\u3057\u305f Go \u306e\u4e26\u5217\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>WaitGroup\u306e\u4f5c\u6210\uff1a \u307e\u305a\u3001WaitGroup\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002sync\u30d1\u30c3\u30b1\u30fc\u30b8\u306eWaitGroup\u306eNew()\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u65b0\u3057\u3044WaitGroup\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">var<\/span> wg sync.WaitGroup\r\n<\/code><\/pre>\n<ol>\n<li>\u30ab\u30a6\u30f3\u30bf\u3092\u5897\u3084\u3059\uff1a\u30b4\u30eb\u30fc\u30c1\u30f3\u3092\u958b\u59cb\u3059\u308b\u524d\u3001WaitGroup \u306e\u30ab\u30a6\u30f3\u30bf\u3092\u5897\u3084\u3059\u305f\u3081\u3001WaitGroup \u3067 Add() \u95a2\u6570\u3092\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\uff1a<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>wg.Add(<span class=\"hljs-number\">1<\/span>)\r\n<\/code><\/pre>\n<ol>\n<li>Go\u30eb\u30fc\u30c1\u30f3\u306e\u8d77\u52d5: \u65b0\u3057\u3044Go\u30eb\u30fc\u30c1\u30f3\u3092\u8d77\u52d5\u3057\u305f\u3089\u3001Go\u30eb\u30fc\u30c1\u30f3\u306e\u5185\u90e8\u3067Done()\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3067WaitGroup\u306e\u30ab\u30a6\u30f3\u30bf\u3092\u6e1b\u7b97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b:<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><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\">\/\/ \u6267\u884c\u4efb\u52a1\u7684\u4ee3\u7801<\/span>\r\n}()\r\n<\/code><\/pre>\n<ol>\n<li>\u30e1\u30a4\u30f3 Goroutine \u3067\u306f\u3001\u3059\u3079\u3066\u306e Goroutine \u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u5f85\u3064\u305f\u3081\u306bWaitGroup\u3092\u4f7f\u7528\u3057\u3066\u3001wait() \u95a2\u6570\u3092\u4f7f\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u3063\u3066\u3001WaitGroup \u306e\u30ab\u30a6\u30f3\u30c8\u304c\u30bc\u30ed\u306b\u306a\u308b\u307e\u3067\u3001\u30e1\u30a4\u30f3 Goroutine \u306f\u30d6\u30ed\u30c3\u30af\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>wg.Wait()\r\n<\/code><\/pre>\n<ol>\n<li>\u30a8\u30e9\u30fc\u51e6\u7406\uff1a\u4e26\u884c\u51e6\u7406\u306e\u969b\u306f\u30a8\u30e9\u30fc\u51e6\u7406\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3002 defer\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u5229\u7528\u3057\u3001\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308bpanic\u3092\u6355\u6349\u3057\u3001\u30a8\u30e9\u30fc\u767a\u751f\u6642\u306b\u306f\u30ab\u30a6\u30f3\u30bf\u30fc\u3092\u78ba\u5b9f\u306b\u6e1b\u3089\u3059\u305f\u3081Done()\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><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> <span class=\"hljs-function\"><span class=\"hljs-keyword\">func<\/span><span class=\"hljs-params\">()<\/span><\/span> {\r\n<span class=\"hljs-keyword\">if<\/span> r := <span class=\"hljs-built_in\">recover<\/span>(); r != <span class=\"hljs-literal\">nil<\/span> {\r\nfmt.Println(<span class=\"hljs-string\">\"goroutine crashed:\"<\/span>, r)\r\n}\r\nwg.Done()\r\n}()\r\n<span class=\"hljs-comment\">\/\/ \u6267\u884c\u4efb\u52a1\u7684\u4ee3\u7801<\/span>\r\n}()\r\n<\/code><\/pre>\n<ol>\n<li>\u30b3\u30f3\u30ab\u30ec\u30f3\u30b7\u30fc\u5b89\u5168\u6027\uff1a\u30b3\u30f3\u30ab\u30ec\u30f3\u30c8\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u306f\u3001\u5171\u6709\u30ea\u30bd\u30fc\u30b9\u306e\u540c\u6642\u30a2\u30af\u30bb\u30b9\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5171\u6709\u30ea\u30bd\u30fc\u30b9\u3092\u4fdd\u8b77\u3059\u308b\u306b\u306f\u3001Mutex\u3084\u305d\u306e\u4ed6\u306e\u30b3\u30f3\u30ab\u30ec\u30f3\u30c8\u30bb\u30fc\u30d5\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u5171\u6709\u30ea\u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u969b\u306b\u306f\u3001\u9069\u5207\u306a\u540c\u671f\u51e6\u7406\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ol>\n<p>WaitGroup\u3068Go\u306e\u30b3\u30f3\u30ab\u30ec\u30f3\u30b7\u30fc\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3051\u308b\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3067\u3059\u3002WaitGroup\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u4e00\u9023\u306egoroutine\u304c\u30bf\u30b9\u30af\u3092\u5b8c\u4e86\u3059\u308b\u306e\u3092\u5bb9\u6613\u306b\u5f85\u6a5f\u3057\u3001\u3059\u3079\u3066\u306e\u30bf\u30b9\u30af\u304c\u5b8c\u4e86\u3057\u305f\u5f8c\u306b\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u9032\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u30b3\u30f3\u30ab\u30ec\u30f3\u30b7\u30fc\u30bb\u30fc\u30d5\u30c6\u30a3\u3068\u30a8\u30e9\u30fc\u51e6\u7406\u306e\u554f\u984c\u306b\u3082\u6ce8\u610f\u3092\u6255\u3046\u5fc5\u8981\u304c\u3042\u308a\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6b63\u78ba\u6027\u3068\u5b89\u5b9a\u6027\u3092\u78ba\u4fdd\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Go\u306eWaitGroup\u306f\u3001\u30b4\u30eb\u30fc\u30c1\u30f3\u7fa4\u306e\u5b8c\u4e86\u307e\u3067\u5f85\u3064\u305f\u3081\u306b\u975e\u5e38\u306b\u4fbf\u5229\u306a\u3001\u4e26\u884c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u30c4\u30fc\u30eb\u3067\u3059\u3002Go\u306b\u304a\u3044\u3066\u3001WaitGroup\u306f\u30b4\u30eb\u30fc\u30c1\u30f3\u7fa4\u306e\u30bf\u30b9\u30af\u5b8c\u4e86\u3092\u5f85\u3064\u305f\u3081\u306e\u30ab\u30a6\u30f3\u30bf\u4ed8\u304d\u30bb\u30de\u30d5\u30a9\u3067\u3059\u3002 WaitGrou [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-123425","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>Go WaitGroup\u3068Go\u306b\u3088\u308b\u4e26\u5217\u51e6\u7406\u306e\u30d9\u30b9\u30c8\u30fb\u30d7\u30e9\u30af\u30c6\u30a3\u30b9 - 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\/go-waitgroup\u3068go\u306b\u3088\u308b\u4e26\u5217\u51e6\u7406\u306e\u30d9\u30b9\u30c8\u30fb\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Go WaitGroup\u3068Go\u306b\u3088\u308b\u4e26\u5217\u51e6\u7406\u306e\u30d9\u30b9\u30c8\u30fb\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\" \/>\n<meta property=\"og:description\" content=\"Go\u306eWaitGroup\u306f\u3001\u30b4\u30eb\u30fc\u30c1\u30f3\u7fa4\u306e\u5b8c\u4e86\u307e\u3067\u5f85\u3064\u305f\u3081\u306b\u975e\u5e38\u306b\u4fbf\u5229\u306a\u3001\u4e26\u884c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u30c4\u30fc\u30eb\u3067\u3059\u3002Go\u306b\u304a\u3044\u3066\u3001WaitGroup\u306f\u30b4\u30eb\u30fc\u30c1\u30f3\u7fa4\u306e\u30bf\u30b9\u30af\u5b8c\u4e86\u3092\u5f85\u3064\u305f\u3081\u306e\u30ab\u30a6\u30f3\u30bf\u4ed8\u304d\u30bb\u30de\u30d5\u30a9\u3067\u3059\u3002 WaitGrou [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/go-waitgroup\u3068go\u306b\u3088\u308b\u4e26\u5217\u51e6\u7406\u306e\u30d9\u30b9\u30c8\u30fb\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-24T02:14:07+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-05T10:55:44+00:00\" \/>\n<meta name=\"author\" content=\"\u7dbe\u4e43, \u4e00\u5e0c\" \/>\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=\"\u7dbe\u4e43, \u4e00\u5e0c\" \/>\n<script type=\"application\/ld+json\" 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