{"id":205928,"date":"2025-06-12T12:35:35","date_gmt":"2025-06-12T04:35:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205928\/"},"modified":"2025-06-12T12:35:35","modified_gmt":"2025-06-12T04:35:35","slug":"golang-%e4%b8%ad%e7%9a%84-deadlock-%e6%a3%80%e6%b5%8b%e6%97%a0%e6%b3%95%e5%b7%a5%e4%bd%9c%e7%9a%84%e5%8e%9f%e5%9b%a0%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205928\/","title":{"rendered":"GoLang \u4e2d\u7684 Deadlock \u68c0\u6d4b\u65e0\u6cd5\u5de5\u4f5c\u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898<span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u662f<\/span><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGoLang \u4e2d\u7684 Deadlock \u68c0\u6d4b\u65e0\u6cd5\u5de5\u4f5c\u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8e<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span>,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241028\/1730093275671f20db2745c.jpg\" class=\"aligncenter\">,<br \/>\n<strong>GOLANG \u4e2d\u7684 Deadlock \u68c0\u6d4b\u539f\u7406<\/strong>,\u5728 GoLang \u4e2d\uff0cdeadlock \u68c0\u6d4b\u673a\u5236\u4f1a\u68c0\u67e5\u662f\u5426\u6240\u6709 goroutine \u90fd\u5904\u4e8e\u4f11\u7720\u72b6\u6001\uff0c\u8fd9\u6837\u7a0b\u5e8f\u5c31\u4f1a\u9677\u5165\u65e0\u9650\u7b49\u5f85\u3002\u5f53\u6240\u6709 goroutine \u90fd\u65e0\u6cd5\u7ee7\u7eed\u6267\u884c\u65f6\uff0c\u5c31\u4f1a\u629b\u51fa fatal error: all goroutines are asleep &#8211; deadlock! \u5f02\u5e38\u3002,<br \/>\n<strong>\u5f02\u5e38\u73b0\u8c61\u7684\u539f\u56e0<\/strong>,\u5728\u7ed9\u51fa\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u5c3d\u7ba1 main \u51fd\u6570\u4e2d\u53ea\u6709 s &lt;- false \u4e00\u884c\u4ee3\u7801\uff0c\u4f46\u662f\u9664\u6b64\u4e4b\u5916\u8fd8\u6709\u5176\u4ed6\u5305\u4e2d\u7684\u4ee3\u7801\u6b63\u5728\u8fd0\u884c\u3002\u8fd9\u4e9b\u5176\u4ed6 goroutine \u7684\u5b58\u5728\u963b\u6b62\u4e86 deadlock \u68c0\u6d4b\u673a\u5236\u53d1\u6325\u4f5c\u7528\u3002\u53ea\u8981\u6709\u4e00\u4e2a goroutine \u4ecd\u5728\u6267\u884c\uff0c\u5373\u4f7f main \u51fd\u6570\u4e2d\u7684 goroutine \u88ab\u963b\u585e\uff0c\u7a0b\u5e8f\u4ecd\u7136\u53ef\u4ee5\u7ee7\u7eed\u8fd0\u884c\uff0c\u56e0\u6b64\u4e0d\u4f1a\u68c0\u6d4b\u5230 deadlock\u3002,<br \/>\n<strong>\u89e3\u51b3\u65b9\u6cd5<\/strong>,\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a,\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aGoLang \u4e2d\u7684 Deadlock \u68c0\u6d4b\u65e0\u6cd5\u5de5\u4f5c\u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002,\u4f7f\u7528 runtime.NumGoroutine() \u51fd\u6570\u6765\u68c0\u67e5\u6b63\u5728\u8fd0\u884c\u7684 goroutine \u6570\u91cf\u3002\u5982\u679c\u6570\u91cf\u4e3a 0\uff0c\u5219\u53ef\u4ee5\u5047\u5b9a\u6240\u6709 goroutine \u90fd\u5df2\u5b8c\u6210\u6267\u884c\uff0c\u5e76\u4e14\u53ef\u4ee5\u4f7f\u7528 fatal error: all goroutines are asleep &#8211; deadlock! \u5f02\u5e38\u6765\u68c0\u6d4b deadlock\u3002,\u627e\u51fa\u5e76\u7b49\u5f85\u6240\u6709\u6b63\u5728\u8fd0\u884c\u7684 goroutine \u5b8c\u6210\u6267\u884c\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 sync.WaitGroup \u6765\u534f\u8c03 goroutine \u7684\u542f\u52a8\u548c\u5173\u95ed\u3002,\u901a\u8fc7\u4f7f\u7528 [pprof](https:\/\/github.com\/google\/pprof) \u7b49\u5de5\u5177\uff0c\u53ef\u4ee5\u5206\u6790\u7a0b\u5e8f\u7684\u6027\u80fd\u5e76\u627e\u51fa\u963b\u585e\u6216\u957f\u65f6\u95f4\u8fd0\u884c\u7684 goroutine\u3002,GOLANG \u4e2d\u7684 Deadlock \u68c0\u6d4b\u539f\u7406,<br \/>\n<span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898<span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u662f<\/span><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGoLang \u4e2d\u7684 Deadlock \u68c0\u6d4b\u65e0\u6cd5\u5de5\u4f5c\u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8e<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span>,<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 \u4e2d\u7684 Deadlock \u68c0\u6d4b\u65e0\u6cd5\u5de5\u4f5c\u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/span><\/p>\n<h1>GoLang \u4e2d\u7684 Deadlock \u68c0\u6d4b\u65e0\u6cd5\u5de5\u4f5c\u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p><span>\u6765\u6e90\uff1aphp<\/span><br \/>\n<span>2024-10-28 13:28:10<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p><span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898<span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u662f<\/span><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGoLang \u4e2d\u7684 Deadlock \u68c0\u6d4b\u65e0\u6cd5\u5de5\u4f5c\u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8e<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241028\/1730093275671f20db2745c.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>GOLANG \u4e2d\u7684 Deadlock \u68c0\u6d4b\u539f\u7406<\/strong><\/p>\n<p>\u5728 GoLang \u4e2d\uff0cdeadlock \u68c0\u6d4b\u673a\u5236\u4f1a\u68c0\u67e5\u662f\u5426\u6240\u6709 goroutine \u90fd\u5904\u4e8e\u4f11\u7720\u72b6\u6001\uff0c\u8fd9\u6837\u7a0b\u5e8f\u5c31\u4f1a\u9677\u5165\u65e0\u9650\u7b49\u5f85\u3002\u5f53\u6240\u6709 goroutine \u90fd\u65e0\u6cd5\u7ee7\u7eed\u6267\u884c\u65f6\uff0c\u5c31\u4f1a\u629b\u51fa fatal error: all goroutines are asleep &#8211; deadlock! \u5f02\u5e38\u3002<\/p>\n<p><strong>\u5f02\u5e38\u73b0\u8c61\u7684\u539f\u56e0<\/strong><\/p>\n<p>\u5728\u7ed9\u51fa\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u5c3d\u7ba1 main \u51fd\u6570\u4e2d\u53ea\u6709 s &lt;- false \u4e00\u884c\u4ee3\u7801\uff0c\u4f46\u662f\u9664\u6b64\u4e4b\u5916\u8fd8\u6709\u5176\u4ed6\u5305\u4e2d\u7684\u4ee3\u7801\u6b63\u5728\u8fd0\u884c\u3002\u8fd9\u4e9b\u5176\u4ed6 goroutine \u7684\u5b58\u5728\u963b\u6b62\u4e86 deadlock \u68c0\u6d4b\u673a\u5236\u53d1\u6325\u4f5c\u7528\u3002\u53ea\u8981\u6709\u4e00\u4e2a goroutine \u4ecd\u5728\u6267\u884c\uff0c\u5373\u4f7f main \u51fd\u6570\u4e2d\u7684 goroutine \u88ab\u963b\u585e\uff0c\u7a0b\u5e8f\u4ecd\u7136\u53ef\u4ee5\u7ee7\u7eed\u8fd0\u884c\uff0c\u56e0\u6b64\u4e0d\u4f1a\u68c0\u6d4b\u5230 deadlock\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6cd5<\/strong><\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>\u627e\u51fa\u5e76\u7b49\u5f85\u6240\u6709\u6b63\u5728\u8fd0\u884c\u7684 goroutine \u5b8c\u6210\u6267\u884c\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 sync.WaitGroup \u6765\u534f\u8c03 goroutine \u7684\u542f\u52a8\u548c\u5173\u95ed\u3002<\/li>\n<li>\u4f7f\u7528 runtime.NumGoroutine() \u51fd\u6570\u6765\u68c0\u67e5\u6b63\u5728\u8fd0\u884c\u7684 goroutine \u6570\u91cf\u3002\u5982\u679c\u6570\u91cf\u4e3a 0\uff0c\u5219\u53ef\u4ee5\u5047\u5b9a\u6240\u6709 goroutine \u90fd\u5df2\u5b8c\u6210\u6267\u884c\uff0c\u5e76\u4e14\u53ef\u4ee5\u4f7f\u7528 fatal error: all goroutines are asleep &#8211; deadlock! \u5f02\u5e38\u6765\u68c0\u6d4b deadlock\u3002<\/li>\n<li>\u901a\u8fc7\u4f7f\u7528 [pprof](https:\/\/github.com\/google\/pprof) \u7b49\u5de5\u5177\uff0c\u53ef\u4ee5\u5206\u6790\u7a0b\u5e8f\u7684\u6027\u80fd\u5e76\u627e\u51fa\u963b\u585e\u6216\u957f\u65f6\u95f4\u8fd0\u884c\u7684 goroutine\u3002<\/li>\n<\/ul>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aGoLang \u4e2d\u7684 Deadlock \u68c0\u6d4b\u65e0\u6cd5\u5de5\u4f5c\u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n<p> \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1aphp \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb \u5220\u9664  <\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u51cf\u5c11\u7535\u8111\u5185\u5b58\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u638c\u63e1 JavaScript \u5f02\u6b65\u7f16\u7a0b\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929&#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-205928","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205928","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=205928"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205928\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205928"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205928"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205928"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}