{"id":205844,"date":"2025-06-12T10:29:06","date_gmt":"2025-06-12T02:29:06","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205844\/"},"modified":"2025-06-12T10:29:06","modified_gmt":"2025-06-12T02:29:06","slug":"golang-%e5%87%bd%e6%95%b0%e5%b9%b6%e5%8f%91%e7%bc%96%e7%a8%8b%e7%9a%84%e8%b0%83%e8%af%95%e6%8a%80%e5%b7%a7%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205844\/","title":{"rendered":"Golang \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u8c03\u8bd5\u6280\u5de7\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"<p>GOLANG\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u8c03\u8bd5\u6280\u5de7\u6709\u54ea\u4e9b\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01,\u5e76\u53d1\u7f16\u7a0b\u8c03\u8bd5\u6280\u5de7\uff1adebug.Print() \u51fd\u6570\uff1a \u6253\u5370\u8bed\u53e5\u4e0d\u6362\u884c\uff0c\u65b9\u4fbf\u8c03\u8bd5\u5e76\u53d1\u7a0b\u5e8f\u3002race \u68c0\u67e5\u5668\uff1a \u68c0\u6d4b\u6570\u636e\u7ade\u4e89\u95ee\u9898\u3002go tool pprof\uff1a \u751f\u6210\u6027\u80fd\u5206\u6790\u62a5\u544a\uff0c\u8bc6\u522b\u74f6\u9888\u548c\u5e76\u53d1\u95ee\u9898\u3002Go \u8c03\u8bd5\u5668\uff1a \u5355\u6b65\u6267\u884c\u7a0b\u5e8f\uff0c\u68c0\u67e5\u53d8\u91cf\u503c\uff0c\u4e86\u89e3\u590d\u6742\u7684\u5e76\u53d1\u7a0b\u5e8f\u6267\u884c\u6d41\u3002,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730016084671df354498a8.jpg\" class=\"aligncenter\">,\u5e76\u53d1\u7f16\u7a0b\u53ef\u4ee5\u6781\u5927\u5730\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u4f46\u540c\u65f6\u4e5f\u4f1a\u5e26\u6765\u8c03\u8bd5\u4e0a\u7684\u6311\u6218\u3002\u5728 Go \u4e2d\u8c03\u8bd5\u5e76\u53d1\u7a0b\u5e8f\u65f6\uff0c\u4ee5\u4e0b\u6280\u5de7\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5feb\u901f\u5b9a\u4f4d\u5e76\u89e3\u51b3\u95ee\u9898\u3002,<br \/>\n<code>debug.Print()<\/code> \u51fd\u6570\u53ef\u4ee5\u6253\u5370\u8bed\u53e5\u800c\u4e0d\u6dfb\u52a0\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u8c03\u8bd5\u5e76\u53d1\u7a0b\u5e8f\u975e\u5e38\u6709\u7528\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8\u4f60\u4e00\u6b21\u6253\u5370\u591a\u4e2a\u8bed\u53e5\uff0c\u800c\u4e0d\u4f1a\u6270\u4e71\u63a7\u5236\u6d41\u3002\u4f8b\u5982\uff1a,\u8f93\u51fa\uff1a,<br \/>\n<code>race<\/code> \u68c0\u67e5\u5668\u53ef\u4ee5\u68c0\u6d4b\u5e76\u53d1\u7a0b\u5e8f\u4e2d\u7684\u6570\u636e\u7ade\u4e89\u95ee\u9898\u3002\u5b83\u901a\u8fc7\u5728\u7a0b\u5e8f\u7684\u591a\u4e2a\u5e76\u53d1\u6267\u884c\u4e2d\u5f15\u5165\u975e\u786e\u5b9a\u6027\u6765\u5de5\u4f5c\u3002\u5982\u679c\u68c0\u6d4b\u5230\u6570\u636e\u7ade\u4e89\uff0c\u5c06\u8f93\u51fa\u4e00\u4e2a\u9519\u8bef\u6d88\u606f\u3002\u4f8b\u5982\uff1a,\u8be5\u7a0b\u5e8f\u5c06\u8f93\u51fa\u4e00\u4e2a\u9519\u8bef\u6d88\u606f\uff0c\u8868\u660e\u68c0\u6d4b\u5230\u6570\u636e\u7ade\u4e89\u3002,<br \/>\n<code>go tool pprof<\/code> \u53ef\u4ee5\u751f\u6210\u7a0b\u5e8f\u7684\u6027\u80fd\u5206\u6790\u62a5\u544a\u3002\u8be5\u62a5\u544a\u53ef\u4ee5\u5e2e\u52a9\u4f60\u8bc6\u522b\u7a0b\u5e8f\u4e2d\u7684\u74f6\u9888\u548c\u5e76\u53d1\u95ee\u9898\u3002\u4f8b\u5982\uff1a,\u8fd9\u5c06\u751f\u6210\u4e00\u4e2a\u62a5\u544a\uff0c\u5176\u4e2d\u5305\u542b\u6709\u5173\u7a0b\u5e8f\u5185\u5b58\u5206\u914d\u548c\u5e76\u53d1\u64cd\u4f5c\u7684\u4fe1\u606f\u3002,Go \u8c03\u8bd5\u5668\u5141\u8bb8\u4f60\u5355\u6b65\u6267\u884c\u7a0b\u5e8f\u5e76\u68c0\u67e5\u53d8\u91cf\u7684\u503c\u3002\u8fd9\u5bf9\u4e8e\u7406\u89e3\u590d\u6742\u5e76\u53d1\u7a0b\u5e8f\u7684\u6267\u884c\u6d41\u975e\u5e38\u6709\u7528\u3002 \u8981\u542f\u52a8\u8c03\u8bd5\u5668\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a,\u7136\u540e\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a,\u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\u7a0b\u5e8f\uff0c\u5b83\u4f7f\u7528\u534f\u7a0b\u5728\u591a\u4e2a\u7ebf\u7a0b\u4e2d\u6253\u5370\u6570\u5b57\uff1a,\u7a0b\u5e8f\u8fd0\u884c\u65f6\uff0c\u53ef\u80fd\u4f1a\u4ea7\u751f\u4ee5\u4e0b\u9519\u8bef\uff1a,\u8fd9\u8868\u660e\u7a0b\u5e8f\u4e2d\u7684\u534f\u7a0b\u9047\u5230\u4e86\u6b7b\u9501\u3002\u4f7f\u7528<br \/>\n<code>debug.Print()<\/code> \u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u5b9a\u6b7b\u9501\u53d1\u751f\u5728 sleep \u8bed\u53e5\u4e4b\u540e\uff1a,\u8f93\u51fa\uff1a,\u8fd9\u8868\u793a\u5728 sleep \u8bed\u53e5\u4e4b\u540e\uff0c\u6ca1\u6709\u66f4\u591a\u7684\u8bb0\u5f55\u8f93\u51fa\u3002\u8fd9\u8868\u660e\u534f\u7a0b\u5728 sleep \u8bed\u53e5\u4e4b\u540e\u9677\u5165\u6b7b\u9501\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8c03\u8bd5\u5668\u6765\u8fdb\u4e00\u6b65\u8c03\u67e5\u8fd9\u4e00\u70b9\u3002,\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aGOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u8c03\u8bd5\u6280\u5de7\u6709\u54ea\u4e9b\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\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8eGo,\u8c03\u8bd5\u7684\u77e5\u8bc6\u70b9\uff01,<br \/>\n<code>s<\/code>\uff1a\u5355\u6b65\u6267\u884c\u5305\u542b\u51fd\u6570\u8c03\u7528,<br \/>\n<code>n<\/code>\uff1a\u5355\u6b65\u6267\u884c,<br \/>\n<code>l<\/code>\uff1a\u5217\u51fa\u5f53\u524d\u51fd\u6570\u7684\u4ee3\u7801,GOLANG\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u8c03\u8bd5\u6280\u5de7\u6709\u54ea\u4e9b\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01,<br \/>\n<b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span> <span>GOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u8c03\u8bd5\u6280\u5de7\u6709\u54ea\u4e9b\uff1f<\/span><\/p>\n<h1>GOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u8c03\u8bd5\u6280\u5de7\u6709\u54ea\u4e9b\uff1f<\/h1>\n<p><span>2024-10-27 16:01:39<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>GOLANG\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u8c03\u8bd5\u6280\u5de7\u6709\u54ea\u4e9b\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\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\u662f\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01<\/p>\n<p>\u5e76\u53d1\u7f16\u7a0b\u8c03\u8bd5\u6280\u5de7\uff1adebug.Print() \u51fd\u6570\uff1a \u6253\u5370\u8bed\u53e5\u4e0d\u6362\u884c\uff0c\u65b9\u4fbf\u8c03\u8bd5\u5e76\u53d1\u7a0b\u5e8f\u3002race \u68c0\u67e5\u5668\uff1a \u68c0\u6d4b\u6570\u636e\u7ade\u4e89\u95ee\u9898\u3002go tool pprof\uff1a \u751f\u6210\u6027\u80fd\u5206\u6790\u62a5\u544a\uff0c\u8bc6\u522b\u74f6\u9888\u548c\u5e76\u53d1\u95ee\u9898\u3002Go \u8c03\u8bd5\u5668\uff1a \u5355\u6b65\u6267\u884c\u7a0b\u5e8f\uff0c\u68c0\u67e5\u53d8\u91cf\u503c\uff0c\u4e86\u89e3\u590d\u6742\u7684\u5e76\u53d1\u7a0b\u5e8f\u6267\u884c\u6d41\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730016084671df354498a8.jpg\" class=\"aligncenter\"><\/p>\n<h2>Go \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u8c03\u8bd5\u7684\u6280\u5de7<\/h2>\n<p>\u5e76\u53d1\u7f16\u7a0b\u53ef\u4ee5\u6781\u5927\u5730\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u4f46\u540c\u65f6\u4e5f\u4f1a\u5e26\u6765\u8c03\u8bd5\u4e0a\u7684\u6311\u6218\u3002\u5728 Go \u4e2d\u8c03\u8bd5\u5e76\u53d1\u7a0b\u5e8f\u65f6\uff0c\u4ee5\u4e0b\u6280\u5de7\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5feb\u901f\u5b9a\u4f4d\u5e76\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n<h3>1. \u4f7f\u7528 <code>debug.Print()<\/code><\/h3>\n<p><code>debug.Print()<\/code> \u51fd\u6570\u53ef\u4ee5\u6253\u5370\u8bed\u53e5\u800c\u4e0d\u6dfb\u52a0\u6362\u884c\u7b26\u3002\u8fd9\u5bf9\u4e8e\u8c03\u8bd5\u5e76\u53d1\u7a0b\u5e8f\u975e\u5e38\u6709\u7528\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8\u4f60\u4e00\u6b21\u6253\u5370\u591a\u4e2a\u8bed\u53e5\uff0c\u800c\u4e0d\u4f1a\u6270\u4e71\u63a7\u5236\u6d41\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>func f() {\n    for i := 0; i &lt; 10; i++ {\n        debug.Print(i, \",\")\n    }\n}\n\nfunc main() {\n    f()\n    fmt.Println()\n}<\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>0,1,2,3,4,5,6,7,8,9,<\/pre>\n<h3>2. \u4f7f\u7528 <code>race<\/code> \u68c0\u67e5\u5668<\/h3>\n<p><code>race<\/code> \u68c0\u67e5\u5668\u53ef\u4ee5\u68c0\u6d4b\u5e76\u53d1\u7a0b\u5e8f\u4e2d\u7684\u6570\u636e\u7ade\u4e89\u95ee\u9898\u3002\u5b83\u901a\u8fc7\u5728\u7a0b\u5e8f\u7684\u591a\u4e2a\u5e76\u53d1\u6267\u884c\u4e2d\u5f15\u5165\u975e\u786e\u5b9a\u6027\u6765\u5de5\u4f5c\u3002\u5982\u679c\u68c0\u6d4b\u5230\u6570\u636e\u7ade\u4e89\uff0c\u5c06\u8f93\u51fa\u4e00\u4e2a\u9519\u8bef\u6d88\u606f\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>package main\n\nimport (\n    \"fmt\"\n    \"sync\"\n    \"sync\/atomic\"\n)\n\nvar x int64\nvar wg sync.WaitGroup\n\nfunc main() {\n    wg.Add(1)\n    go func() {\n        defer wg.Done()\n        for i := 0; i &lt; 1000000; i++ {\n            atomic.AddInt64(&amp;x, 1)\n        }\n    }()\n    wg.Add(1)\n    go func() {\n        defer wg.Done()\n        for i := 0; i &lt; 1000000; i++ {\n            atomic.AddInt64(&amp;x, -1)\n        }\n    }()\n    wg.Wait()\n    fmt.Println(x)\n}<\/pre>\n<p>\u8be5\u7a0b\u5e8f\u5c06\u8f93\u51fa\u4e00\u4e2a\u9519\u8bef\u6d88\u606f\uff0c\u8868\u660e\u68c0\u6d4b\u5230\u6570\u636e\u7ade\u4e89\u3002<\/p>\n<h3>3. \u4f7f\u7528 <code>go tool pprof<\/code><\/h3>\n<p><code>go tool pprof<\/code> \u53ef\u4ee5\u751f\u6210\u7a0b\u5e8f\u7684\u6027\u80fd\u5206\u6790\u62a5\u544a\u3002\u8be5\u62a5\u544a\u53ef\u4ee5\u5e2e\u52a9\u4f60\u8bc6\u522b\u7a0b\u5e8f\u4e2d\u7684\u74f6\u9888\u548c\u5e76\u53d1\u95ee\u9898\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>go tool pprof -alloc_space http:\/\/localhost:8080\/debug\/pprof\/profile<\/pre>\n<p>\u8fd9\u5c06\u751f\u6210\u4e00\u4e2a\u62a5\u544a\uff0c\u5176\u4e2d\u5305\u542b\u6709\u5173\u7a0b\u5e8f\u5185\u5b58\u5206\u914d\u548c\u5e76\u53d1\u64cd\u4f5c\u7684\u4fe1\u606f\u3002<\/p>\n<h3>4. \u4f7f\u7528\u8c03\u8bd5\u5668<\/h3>\n<p>Go \u8c03\u8bd5\u5668\u5141\u8bb8\u4f60\u5355\u6b65\u6267\u884c\u7a0b\u5e8f\u5e76\u68c0\u67e5\u53d8\u91cf\u7684\u503c\u3002\u8fd9\u5bf9\u4e8e\u7406\u89e3\u590d\u6742\u5e76\u53d1\u7a0b\u5e8f\u7684\u6267\u884c\u6d41\u975e\u5e38\u6709\u7528\u3002 \u8981\u542f\u52a8\u8c03\u8bd5\u5668\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>dlv debug<\/pre>\n<p>\u7136\u540e\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li><code>n<\/code>\uff1a\u5355\u6b65\u6267\u884c<\/li>\n<li><code>s<\/code>\uff1a\u5355\u6b65\u6267\u884c\u5305\u542b\u51fd\u6570\u8c03\u7528<\/li>\n<li><code>l<\/code>\uff1a\u5217\u51fa\u5f53\u524d\u51fd\u6570\u7684\u4ee3\u7801<\/li>\n<li><code>p<\/code>\uff1a\u6253\u5370\u53d8\u91cf\u7684\u503c<\/li>\n<\/ul>\n<h3>\u5b9e\u6218\u6848\u4f8b<\/h3>\n<p>\u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\u7a0b\u5e8f\uff0c\u5b83\u4f7f\u7528\u534f\u7a0b\u5728\u591a\u4e2a\u7ebf\u7a0b\u4e2d\u6253\u5370\u6570\u5b57\uff1a<\/p>\n<pre>package main\n\nimport (\n    \"fmt\"\n    \"time\"\n)\n\nfunc main() {\n    for i := 0; i &lt; 10; i++ {\n        go func(i int) {\n            time.Sleep(time.Second)\n            fmt.Println(i)\n        }(i)\n    }\n}<\/pre>\n<p>\u7a0b\u5e8f\u8fd0\u884c\u65f6\uff0c\u53ef\u80fd\u4f1a\u4ea7\u751f\u4ee5\u4e0b\u9519\u8bef\uff1a<\/p>\n<pre>fatal error: all goroutines are asleep - deadlock!\ngoroutine 1 [running]:\nmain.main()\n    \/tmp\/example.go:15 +0x115\nexit status 2<\/pre>\n<p>\u8fd9\u8868\u660e\u7a0b\u5e8f\u4e2d\u7684\u534f\u7a0b\u9047\u5230\u4e86\u6b7b\u9501\u3002\u4f7f\u7528 <code>debug.Print()<\/code> \u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u5b9a\u6b7b\u9501\u53d1\u751f\u5728 sleep \u8bed\u53e5\u4e4b\u540e\uff1a<\/p>\n<pre>func main() {\n    for i := 0; i &lt; 10; i++ {\n        go func(i int) {\n            time.Sleep(time.Second)\n            debug.Print(i, \",\")\n            fmt.Println(i)\n        }(i)\n    }\n}<\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>0,1,2,3,4,5,6,7,8,9,fatal error: all goroutines are asleep - deadlock!\ngoroutine 1 [running]:\nmain.main()\n    \/tmp\/example.go:22 +0x115\nexit status 2<\/pre>\n<p>\u8fd9\u8868\u793a\u5728 sleep \u8bed\u53e5\u4e4b\u540e\uff0c\u6ca1\u6709\u66f4\u591a\u7684\u8bb0\u5f55\u8f93\u51fa\u3002\u8fd9\u8868\u660e\u534f\u7a0b\u5728 sleep \u8bed\u53e5\u4e4b\u540e\u9677\u5165\u6b7b\u9501\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8c03\u8bd5\u5668\u6765\u8fdb\u4e00\u6b65\u8c03\u67e5\u8fd9\u4e00\u70b9\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aGOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u8c03\u8bd5\u6280\u5de7\u6709\u54ea\u4e9b\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\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8eGo,\u8c03\u8bd5\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u4f7f\u7528 CSS \u5b9e\u73b0\u534a\u5706\u5f62\u5f62\u72b6\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   PHP\u51fd\u6570\u5982\u4f55\u63a5\u6536\u5f15\u7528\u53c2\u6570\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>GOLANG\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765 \u300a&#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-205844","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205844","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=205844"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205844\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}