{"id":206356,"date":"2025-06-12T14:22:10","date_gmt":"2025-06-12T06:22:10","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206356\/"},"modified":"2025-06-12T14:22:10","modified_gmt":"2025-06-12T06:22:10","slug":"golang-%e5%8d%8f%e7%a8%8b%e5%90%8c%e6%ad%a5%ef%bc%9a%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8d%e6%89%80%e6%9c%89%e5%8d%8f%e7%a8%8b%e4%bc%91%e7%9c%a0-%e6%ad%bb%e9%94%81%e9%94%99%e8%af%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206356\/","title":{"rendered":"Golang \u534f\u7a0b\u540c\u6b65\uff1a\u5982\u4f55\u907f\u514d\u201c\u6240\u6709\u534f\u7a0b\u4f11\u7720 – \u6b7b\u9501\u201d\u9519\u8bef\uff1f"},"content":{"rendered":"

\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0
\n\u300aGOLANG \u534f\u7a0b\u540c\u6b65\uff1a\u5982\u4f55\u907f\u514d\u201c\u6240\u6709\u534f\u7a0b\u4f11\u7720 – \u6b7b\u9501\u201d\u9519\u8bef\uff1f\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9…\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01,
\n,
\n\u81f4\u547d\u9519\u8bef\uff1a\u6240\u6709\u534f\u7a0b\u4f11\u7720 – \u6b7b\u9501\uff01<\/strong>,\u5728 golang \u4e2d\uff0c\u5f53\u4f7f\u7528\u534f\u7a0b\u540c\u6b65\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u81f4\u547d\u9519\u8bef\u201call goroutines are asleep – deadlock\u201d\u3002,\u6b64\u9519\u8bef\u7684\u539f\u56e0\u53ef\u80fd\u662f\u534f\u7a0b\u4e4b\u95f4\u7684\u6b7b\u9501\uff0c\u5373\u5b83\u4eec\u90fd\u5728\u7b49\u5f85\u5bf9\u65b9\u52a8\u4f5c\u3002\u8ba9\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u4ee3\u7801\u793a\u4f8b\u6765\u7406\u89e3\uff1a,\u89c2\u5bdf\u4ee3\u7801\uff0c\u53ef\u4ee5\u770b\u5230\u4e24\u4e2a\u534f\u7a0b\u4ea4\u66ff\u6267\u884c\uff0c\u901a\u8fc7\u901a\u9053 a \u548c b \u8fdb\u884c\u901a\u4fe1\u3002\u95ee\u9898\u51fa\u5728 b \u534f\u7a0b\u7684\u6700\u540e\u4e00\u6b21\u5199\u5165 a <- true\uff0c\u6b64\u65f6\u4ece a \u901a\u9053\u8bfb\u5165\u6570\u636e\u7684\u534f\u7a0b\u5df2\u65e0\u673a\u4f1a\u6267\u884c\uff0c\u5bfc\u81f4\u7a0b\u5e8f\u9677\u5165\u6b7b\u9501\u3002,\u4e3a\u4e86\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u6211\u4eec\u9700\u8981\u6dfb\u52a0\u4e00\u4e2a\u989d\u5916\u7684\u8bfb\u5165\u64cd\u4f5c\uff0c\u5982\uff1a,\u8fd9\u6837\uff0c\u5728 b \u534f\u7a0b\u7ed3\u675f\u524d\uff0c\u5b83\u4f1a\u7b49\u5f85\u4ece a \u901a\u9053\u8bfb\u5165\u4e00\u4e2a\u503c\uff0c\u4ece\u800c\u907f\u514d\u6b7b\u9501\u3002,\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aGOLANG \u534f\u7a0b\u540c\u6b65\uff1a\u5982\u4f55\u907f\u514d\u201c\u6240\u6709\u534f\u7a0b\u4f11\u7720 – \u6b7b\u9501\u201d\u9519\u8bef\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u5427\uff01,\u81f4\u547d\u9519\u8bef\uff1a\u6240\u6709\u534f\u7a0b\u4f11\u7720 – \u6b7b\u9501\uff01,\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0
\n\u300aGOLANG \u534f\u7a0b\u540c\u6b65\uff1a\u5982\u4f55\u907f\u514d\u201c\u6240\u6709\u534f\u7a0b\u4f11\u7720 – \u6b7b\u9501\u201d\u9519\u8bef\uff1f\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9…\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> GOLANG \u534f\u7a0b\u540c\u6b65\uff1a\u5982\u4f55\u907f\u514d\u201c\u6240\u6709\u534f\u7a0b\u4f11\u7720 – \u6b7b\u9501\u201d\u9519\u8bef\uff1f<\/span><\/p>\n

GOLANG \u534f\u7a0b\u540c\u6b65\uff1a\u5982\u4f55\u907f\u514d\u201c\u6240\u6709\u534f\u7a0b\u4f11\u7720 – \u6b7b\u9501\u201d\u9519\u8bef\uff1f<\/h1>\n

2024-11-10 15:04:02<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\u300aGOLANG \u534f\u7a0b\u540c\u6b65\uff1a\u5982\u4f55\u907f\u514d\u201c\u6240\u6709\u534f\u7a0b\u4f11\u7720 – \u6b7b\u9501\u201d\u9519\u8bef\uff1f\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9…\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n

<\/p>\n

\u81f4\u547d\u9519\u8bef\uff1a\u6240\u6709\u534f\u7a0b\u4f11\u7720 – \u6b7b\u9501\uff01<\/strong><\/p>\n

\u5728 golang \u4e2d\uff0c\u5f53\u4f7f\u7528\u534f\u7a0b\u540c\u6b65\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u81f4\u547d\u9519\u8bef\u201call goroutines are asleep – deadlock\u201d\u3002<\/p>\n

\u6b64\u9519\u8bef\u7684\u539f\u56e0\u53ef\u80fd\u662f\u534f\u7a0b\u4e4b\u95f4\u7684\u6b7b\u9501\uff0c\u5373\u5b83\u4eec\u90fd\u5728\u7b49\u5f85\u5bf9\u65b9\u52a8\u4f5c\u3002\u8ba9\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u4ee3\u7801\u793a\u4f8b\u6765\u7406\u89e3\uff1a<\/p>\n

func main() {\n    a := make(chan bool)\n    b := make(chan bool)\n    defer close(a)\n    defer close(b)\n    var wg sync.waitgroup\n    wg.add(2)\n    go func() {\n        for i := 0; i < 10; i += 2 {\n            if <-a {\n                fmt.println(i)\n                b <- true\n            }\n        }\n        wg.done()\n    }()\n    go func() {\n        for i := 1; i < 10; i += 2 {\n            if <-b {\n                fmt.println(i)\n                a <- true\n            }\n        }\n        wg.done()\n    }()\n    a <- true\n    wg.wait()\n}<\/pre>\n
\u89c2\u5bdf\u4ee3\u7801\uff0c\u53ef\u4ee5\u770b\u5230\u4e24\u4e2a\u534f\u7a0b\u4ea4\u66ff\u6267\u884c\uff0c\u901a\u8fc7\u901a\u9053 a \u548c b \u8fdb\u884c\u901a\u4fe1\u3002\u95ee\u9898\u51fa\u5728 b \u534f\u7a0b\u7684\u6700\u540e\u4e00\u6b21\u5199\u5165 a <- true\uff0c\u6b64\u65f6\u4ece a \u901a\u9053\u8bfb\u5165\u6570\u636e\u7684\u534f\u7a0b\u5df2\u65e0\u673a\u4f1a\u6267\u884c\uff0c\u5bfc\u81f4\u7a0b\u5e8f\u9677\u5165\u6b7b\u9501\u3002<\/p>\n
\u4e3a\u4e86\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u6211\u4eec\u9700\u8981\u6dfb\u52a0\u4e00\u4e2a\u989d\u5916\u7684\u8bfb\u5165\u64cd\u4f5c\uff0c\u5982\uff1a<\/p>\n
    go func() {\n        for i := 1; i < 10; i += 2 {\n            if <-B {\n                fmt.Println(i)\n                A <- true\n            }\n        }\n        <-A\n        wg.Done()\n    }()<\/pre>\n
\u8fd9\u6837\uff0c\u5728 b \u534f\u7a0b\u7ed3\u675f\u524d\uff0c\u5b83\u4f1a\u7b49\u5f85\u4ece a \u901a\u9053\u8bfb\u5165\u4e00\u4e2a\u503c\uff0c\u4ece\u800c\u907f\u514d\u6b7b\u9501\u3002<\/p>\n
\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aGOLANG \u534f\u7a0b\u540c\u6b65\uff1a\u5982\u4f55\u907f\u514d\u201c\u6240\u6709\u534f\u7a0b\u4f11\u7720 – \u6b7b\u9501\u201d\u9519\u8bef\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u5427\uff01<\/p>\n
\n
\n <\/dt>\n
\n   MySQL \u4ec0\u4e48\u65f6\u5019\u5f00\u59cb\u652f\u6301 != \u64cd\u4f5c\u7b26\uff1f\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   \u4e3a\u4ec0\u4e48 PHP \u6e90\u7801\u8bb2\u89e3\u8d44\u6599\u5982\u6b64\u7a00\u5c11\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9...<\/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-206356","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206356","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=206356"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206356\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206356"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}