{"id":207214,"date":"2025-07-08T08:40:56","date_gmt":"2025-07-08T00:40:56","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207214\/"},"modified":"2025-07-08T08:40:56","modified_gmt":"2025-07-08T00:40:56","slug":"%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e4%b8%80%e4%b8%aa%e9%80%9a%e9%81%93%e3%80%81%e5%a4%9a%e4%b8%aa%e9%98%85%e8%af%bb%e5%99%a8%e5%90%8c%e6%97%b6%e8%af%bb%e5%8f%96%e7%9b%b8%e5%90%8c%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207214\/","title":{"rendered":"\u5982\u4f55\u5b9e\u73b0\u4e00\u4e2a\u901a\u9053\u3001\u591a\u4e2a\u9605\u8bfb\u5668\u540c\u65f6\u8bfb\u53d6\u76f8\u540c\u6570\u636e\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\u4f55\u5b9e\u73b0\u4e00\u4e2a\u901a\u9053\u3001\u591a\u4e2a\u9605\u8bfb\u5668\u540c\u65f6\u8bfb\u53d6\u76f8\u540c\u6570\u636e\uff1f<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-20 20:45:41<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">Golang<\/span>\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u5b9e\u73b0\u4e00\u4e2a\u901a\u9053\u3001\u591a\u4e2a\u9605\u8bfb\u5668\u540c\u65f6\u8bfb\u53d6\u76f8\u540c\u6570\u636e\uff1f\u300b<\/span>\u5c06\u4f1a\u4ecb\u7ecd\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">Golang<\/span>\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u6211\u9700\u8981\u591a\u4e2a\u51fd\u6570\u5177\u6709\u76f8\u540c\u7684\u901a\u9053\u4f5c\u4e3a\u53c2\u6570\u5e76\u540c\u65f6\u83b7\u53d6\u76f8\u540c\u7684\u6570\u636e\u3002 \u8fd9\u4e9b\u51fd\u6570\u4e2d\u7684\u6bcf\u4e00\u4e2a\u90fd\u6709\u5f7c\u6b64\u72ec\u7acb\u7684\u4efb\u52a1\uff0c\u4f46\u5b83\u4eec\u4ece\u76f8\u540c\u7684\u503c\u5f00\u59cb\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u7ed9\u5b9a\u4e00\u4e2a\u6574\u6570\u5207\u7247\uff0c\u4e00\u4e2a\u51fd\u6570\u8ba1\u7b97\u5176\u503c\u7684\u603b\u548c\uff0c\u53e6\u4e00\u4e2a\u51fd\u6570\u540c\u65f6\u8ba1\u7b97\u5e73\u5747\u503c\u3002\u5b83\u4eec\u5c06\u662f goroutine\u3002<\/p>\n<p>\u4e00\u79cd\u89e3\u51b3\u65b9\u6848\u662f\u4ece\u4e00\u4e2a\u503c\u521b\u5efa\u591a\u4e2a\u901a\u9053\uff0c\u4f46\u6211\u60f3\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\u3002\u6211\u53ef\u80fd\u5fc5\u987b\u6dfb\u52a0\u6216\u5220\u9664\u529f\u80fd\uff0c\u4e3a\u6b64\uff0c\u6211\u5fc5\u987b\u6dfb\u52a0\u6216\u5220\u9664\u9891\u9053\u3002<\/p>\n<p>\u6211\u60f3\u6211\u660e\u767d\u6247\u51fa\u6a21\u5f0f\u53ef\u80fd\u662f\u4e00\u79cd\u9009\u62e9\uff0c\u4f46\u6211\u4e0d\u592a\u660e\u767d\u5b83\u7684\u5b9e\u73b0\u3002<\/p>\n<p> <\/p>\n<h2>\u89e3\u51b3\u65b9\u6848<\/h2>\n<p> <\/p>\n<p>\u8be5\u95ee\u9898\u9488\u5bf9 \uff0c\u56e0\u4e3a\u5b83\u6ca1\u6709\u63d0\u51fa\u4efb\u4f55\u9700\u8981\u5e2e\u52a9\u7684\u5177\u4f53\u95ee\u9898\uff0c\u800c\u662f\u8981\u6c42\u8f85\u5bfc\u8bfe\u7a0b\u3002<\/p>\n<p> \u65e0\u8bba\u5982\u4f55\uff0c\u6709\u4e24\u4e2a\u8fdb\u4e00\u6b65\u7814\u7a76\u7684\u8981\u70b9\uff1a\u57fa\u672c\u4e0a\uff0c\u9274\u4e8e\u901a\u9053\u7684\u5c5e\u6027\uff0c\u6bcf\u6b21\u63a5\u6536\u90fd\u4f1a\u6d88\u8017\u53d1\u9001\u7ed9\u5b83\u7684\u503c\uff0c\u56e0\u6b64\u4e0d\u53ef\u80fd\u591a\u6b21\u8bfb\u53d6\u4e00\u6b21\u53d1\u9001\u7684\u503c\uff0c\u6b64\u7c7b\u95ee\u9898\u6709\u4e24\u79cd\u89e3\u51b3\u65b9\u6cd5\u3002 <\/p>\n<p>\u7b2c\u4e00\u79cd\u65b9\u6cd5\uff0c\u5373\u6240\u8c13\u7684\u201c\u6247\u51fa\u201d\uff0c\u662f\u8ba9\u6240\u6709\u6d88\u8d39\u8005\u90fd\u6709\u4e00\u4e2a\u201c\u4e2a\u4eba\u201d\u4e13\u7528\u9891\u9053\uff0c<em>\u590d\u5236<\/em>\u8981\u5e7f\u64ad\u591a\u6b21\u7684\u503c\u662f\u6d88\u8d39\u8005\uff0c\u5e76\u5c06\u6bcf\u4e2a\u526f\u672c\u53d1\u9001\u5230\u6bcf\u4e2a\u4e13\u7528\u6e20\u9053\u3002<\/p>\n<p>\u8868\u9762\u4e0a\u6700\u81ea\u7136\u7684\u5b9e\u73b0\u65b9\u6cd5\u662f\u6709\u4e00\u4e2a\u5355\u4e00\u7684\u901a\u9053\uff0c\u751f\u4ea7\u8005\u53ef\u4ee5\u5c06\u5176\u5de5\u4f5c\u5355\u5143\u53d1\u9001\u5230\u5176\u4e2d\uff0c\u800c\u4e0d\u5173\u5fc3\u6709\u591a\u5c11\u6d88\u8d39\u8005\u8bfb\u53d6\u5b83\u4eec\uff0c\u7136\u540e\u6709\u4e00\u4e2a\u4e13\u7528\u7684 goroutine \u63a5\u6536\u8fd9\u4e9b\u5de5\u4f5c\u5355\u5143\uff0c\u590d\u5236\u4ed6\u4eec\u6bcf\u4e2a\u4eba\u90fd\u5c06\u526f\u672c\u53d1\u9001\u5230\u6d88\u8d39\u8005\u7684\u4e13\u7528\u6e20\u9053\u3002<\/p>\n<p>\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u662f\u8fdb\u5165\u8f83\u4f4e\u7ea7\u522b\u5e76\u4f7f\u7528 <code>sync<\/code> \u5305\u4e2d\u7684\u5185\u5bb9\u5b9e\u73b0\u57fa\u672c\u76f8\u540c\u7684\u65b9\u6848\u3002<\/p>\n<p>\u53ef\u4ee5\u60f3\u5230\u4ee5\u4e0b\u65b9\u6848\uff1a<\/p>\n<ul>\n<li>\u62e5\u6709\u81ea\u5b9a\u4e49 <code>struct<\/code> \u7c7b\u578b\uff0c\u8be5\u7c7b\u578b\u5177\u6709\u4fdd\u62a4\u7c7b\u578b\u72b6\u6001\u7684 <code>sync.Mutex<\/code>\u3002<\/li>\n<li>\u6709\u4e00\u4e2a\u5b57\u6bb5\u53ef\u4ee5\u4fdd\u5b58\u591a\u4e2a\u6d88\u8d39\u8005\u5fc5\u987b\u8bfb\u53d6\u7684\u503c\u3002<\/li>\n<li>\u6709\u4e00\u4e2a\u8be5\u7c7b\u578b\u7684\u8ba1\u6570\u5668\u3002<\/li>\n<li>\u4e5f\u6709\u8be5\u7c7b\u578b\u7684 <code>sync.Cond<\/code>\u3002<\/li>\n<li>\u90a3\u91cc\u4e5f\u6709\u4e00\u4e2a\u5bb9\u91cf\u4e3a 1 \u7684\u901a\u9053\u3002<\/li>\n<\/ul>\n<p>\u5411\u6d88\u8d39\u8005\u4f20\u8fbe\u65b0\u7684\u4ef7\u503c\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u9501\u5b9a\u4e92\u65a5\u9501\u3002<\/li>\n<li>\u9a8c\u8bc1\u8ba1\u6570\u5668\u662f\u5426\u4e3a 0\uff0c\u5426\u5219\u4f1a\u51fa\u73b0\u6050\u614c\u3002<\/li>\n<li>\u5c06\u65b0\u503c\u5199\u5165\u76f8\u5e94\u5b57\u6bb5\u3002<\/li>\n<li>\u5c06\u8ba1\u6570\u5668\u8bbe\u7f6e\u4e3a\u6d88\u8d39\u8005\u6570\u91cf\u3002<\/li>\n<li>\u89e3\u9501\u4e92\u65a5\u9501\u3002<\/li>\n<li>\u8109\u51b2 <code>sync.Cond<\/code>\u3002<\/li>\n<\/ol>\n<p>\u6d88\u8d39\u8005\u5e94\u8be5\u5728 <code>sync.Cond<\/code> \u7684\u7b49\u5f85\u8c03\u7528\u4e2d\u4f11\u7720\u3002<br \/> \u4e00\u65e6\u53d1\u9001\u8005\u53d1\u51fa\u8109\u51b2\uff0c\u8fd0\u884c\u6d88\u8d39\u8005\u4ee3\u7801\u7684 goroutine \u5c31\u4f1a\u88ab\u5524\u9192\u5e76\u5c1d\u8bd5\u8bfb\u53d6\u8be5\u503c\u3002<br \/> \u503c\u7684\u8bfb\u53d6\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<ol>\n<li>\u9501\u5b9a\u4e92\u65a5\u9501\u3002<\/li>\n<li>\u9a8c\u8bc1\u8ba1\u6570\u5668\u662f\u5426\u5927\u4e8e\u96f6\uff0c\u5426\u5219\u4f1a\u51fa\u73b0\u6050\u614c\u3002<\/li>\n<li>\u8bfb\u53d6\u503c\u3002<\/li>\n<li>\u5c06\u8ba1\u6570\u5668\u51cf\u4e00\u3002<\/li>\n<li>\u5982\u679c\u8ba1\u6570\u5668\u53d8\u4e3a 0\uff0c\u5219\u5728\u8be5\u7279\u6b8a\u901a\u9053\u4e0a\u53d1\u9001\u3002<\/li>\n<li>\u89e3\u9501\u4e92\u65a5\u9501\u3002<\/li>\n<\/ol>\n<p>\u9700\u8981\u901a\u9053\u5411\u53d1\u9001\u8005\u4f20\u8fbe\u6240\u6709\u6d88\u8d39\u8005\u90fd\u5df2\u5b8c\u6210\u8bfb\u53d6\u7684\u4fe1\u606f\uff1a\u5728\u5c1d\u8bd5\u53d1\u9001\u65b0\u503c\u4e4b\u524d\uff0c\u6d88\u8d39\u8005\u5fc5\u987b\u4ece\u8be5\u901a\u9053\u8bfb\u53d6\u3002<\/p>\n<p>\u6b63\u5982\u60a8\u53ef\u80fd\u770b\u5230\u7684\uff0c\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u66f4\u52a0\u590d\u6742\u4e14\u96be\u4ee5\u6b63\u786e\u5b9e\u65bd\uff0c\u56e0\u6b64\u6211\u5efa\u8bae\u4f7f\u7528\u7b2c\u4e00\u79cd\u65b9\u6cd5\u3002<\/p>\n<p>\u6211\u8fd8\u60f3\u6307\u51fa\uff0c\u60a8\u4f3c\u4e4e\u7f3a\u4e4f\u5173\u4e8e\u5982\u4f55\u5b9e\u73b0\u5e76\u53d1\u8fd0\u884c\u548c\u901a\u4fe1\u4efb\u52a1\u7684\u67d0\u4e9b\u80cc\u666f\u77e5\u8bc6\u3002<br \/> \u6211\u5728\u6b64\u63a8\u8350\u9605\u8bfb\u4ee5\u53ca\u81f3\u5c11\u7684\u8fd9\u4e9b\u7ae0\u8282\uff1a<\/p>\n<ul>\n<li>\u3002<\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u5982\u4f55\u5b9e\u73b0\u4e00\u4e2a\u901a\u9053\u3001\u591a\u4e2a\u9605\u8bfb\u5668\u540c\u65f6\u8bfb\u53d6\u76f8\u540c\u6570\u636e\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\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-207214","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207214","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=207214"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207214\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}