{"id":207895,"date":"2025-07-08T11:27:13","date_gmt":"2025-07-08T03:27:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207895\/"},"modified":"2025-07-08T11:27:13","modified_gmt":"2025-07-08T03:27:13","slug":"%e5%a6%82%e6%9e%9c%e6%88%91%e4%b8%8d%e5%9c%a8-goroutine-%e4%b8%ad%e6%b7%bb%e5%8a%a0-waitgroup-%e4%bc%9a%e5%8f%91%e7%94%9f%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207895\/","title":{"rendered":"\u5982\u679c\u6211\u4e0d\u5728 goroutine \u4e2d\u6dfb\u52a0 waitgroup \u4f1a\u53d1\u751f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>\u5982\u679c\u6211\u4e0d\u5728 goroutine \u4e2d\u6dfb\u52a0 waitgroup \u4f1a\u53d1\u751f\u4ec0\u4e48\uff1f<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-26 15:09:35<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u5bf9\u4e8e\u4e00\u4e2aGolang\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300a\u5982\u679c\u6211\u4e0d\u5728 goroutine \u4e2d\u6dfb\u52a0 waitgroup \u4f1a\u53d1\u751f\u4ec0\u4e48\uff1f\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u5728 golang \u670d\u52a1\u5668\uff08\u4f7f\u7528 echo \u6846\u67b6\uff09\u7684\u7aef\u70b9\u4e4b\u4e00\u4e2d\uff0c\u6211\u4f7f\u7528 go \u4f8b\u7a0b\u89e6\u53d1\u4e00\u4e9b\u51fd\u6570\uff0c\u4f46\u6211\u6ca1\u6709\u5411\u8be5 go \u4f8b\u7a0b\u6dfb\u52a0\u4efb\u4f55\u7b49\u5f85\u7ec4\u3002<\/p>\n<pre>server.router.patch(path.join(server.config.apipath, \"\/dummy\"), h.somefunc)\n\n\/\/ \/dummy\nfunc (h * )somefunc() error {\ngo func() {\nsometask()\n}\n}<\/pre>\n<p>\u6bcf\u4e2a\u5730\u65b9\u90fd\u8868\u660e\u6211\u5e94\u8be5\u8fd9\u6837\u5199<\/p>\n<pre>func (h * )SomeFunc() error {\nvar wg.syncWaitGroup\nwg.Add(1)\ngo func() {\nsomeTask()\nwg.done()\n}\nwg.wait()\n}<\/pre>\n<p>\u5982\u679c\u6211\u6ca1\u6709\u6309\u7167\u5efa\u8bae\u6dfb\u52a0\u7b49\u5f85\u7ec4\uff0c\u4f1a\u53d1\u751f\u4ec0\u4e48\uff1f\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u5417\uff1f<\/p>\n<p> <\/p>\n<h2>\u6b63\u786e\u7b54\u6848<\/h2>\n<p> <\/p>\n<p>\u4e0d\u4f1a\u9020\u6210\u5185\u5b58\u6cc4\u6f0f\u3002\u7136\u800c\uff0cgoroutine \u5f88\u53ef\u80fd\u76f4\u5230\u51fd\u6570\u8fd4\u56de\u624d\u5b8c\u6210\uff0c\u4ece\u800c\u5bfc\u81f4\u8bf7\u6c42\u5904\u7406\u5b8c\u6210\u3002\u5982\u679c\u9700\u8981 goroutine \u7684\u7ed3\u679c\u6765\u6784\u5efa\u5bf9\u5ba2\u6237\u7aef\u7684\u54cd\u5e94\uff0c\u5219\u610f\u5473\u7740\u5ba2\u6237\u7aef\u5c06\u5f97\u5230\u7a7a\u6216\u4e0d\u5b8c\u6574\u7684\u54cd\u5e94\u3002 waitgroup \u786e\u4fdd goroutine \u5728 <code>SomeFunc<\/code> \u8fd4\u56de\u4e4b\u524d\u5b8c\u6210\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u5982\u679c\u5904\u7406\u7a0b\u5e8f\u7528\u4e8e\u542f\u52a8\u4e00\u4e9b\u5f02\u6b65\u8fdb\u7a0b\uff0c\u8be5\u8fdb\u7a0b\u5c06\u5728\u5904\u7406\u7a0b\u5e8f\u8fd4\u56de\u540e\u7ee7\u7eed\u8fd0\u884c\uff0c\u5219\u5e94\u4f7f\u7528\u4e0d\u5e26 <code>WaitGroup<\/code> \u7684\u7248\u672c\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u5982\u679c\u6211\u4e0d\u5728 goroutine \u4e2d\u6dfb\u52a0 waitgroup \u4f1a\u53d1\u751f\u4ec0\u4e48\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207895","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207895","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207895"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207895\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}