{"id":884,"date":"2024-11-07T08:51:56","date_gmt":"2024-11-07T00:51:56","guid":{"rendered":"https:\/\/fwq.ai\/blog\/884\/"},"modified":"2024-11-07T08:51:56","modified_gmt":"2024-11-07T00:51:56","slug":"go%e8%af%ad%e8%a8%80%e4%b8%ad%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8dall-goroutines-asleep%e6%ad%bb%e9%94%81%e9%94%99%e8%af%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/884\/","title":{"rendered":"Go\u8bed\u8a00\u4e2d\u5982\u4f55\u907f\u514d\u201call goroutines asleep\u201d\u6b7b\u9501\u9519\u8bef\uff1f"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1020\" src=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/173038073055385.jpg\" width=\"800\" height=\"320\" srcset=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/173038073055385.jpg 800w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/173038073055385-300x120.jpg 300w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/173038073055385-768x307.jpg 768w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/173038073055385-670x268.jpg 670w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" title=\"Go\u8bed\u8a00\u4e2d\u5982\u4f55\u907f\u514d\u201call goroutines asleep\u201d\u6b7b\u9501\u9519\u8bef\uff1f\u63d2\u56fe\" alt=\"Go\u8bed\u8a00\u4e2d\u5982\u4f55\u907f\u514d\u201call goroutines asleep\u201d\u6b7b\u9501\u9519\u8bef\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>golang\u6b7b\u9501\uff1a\u907f\u514d\u201call goroutines asleep\u201d\u9519\u8bef<\/strong><\/p>\n<p>\u5728go\u8bed\u8a00\u4e2d\u4f7f\u7528channel\u65f6\uff0c\u5982\u679c\u672a\u5173\u95edchannel\uff0c\u5219\u5bb9\u6613\u5f15\u53d1\u6b7b\u9501\u3002\u672c\u6587\u5c06\u89e3\u91ca\u5982\u4f55\u7406\u89e3\u548c\u89e3\u51b3\u6b64\u9519\u8bef\uff0c\u4ee5\u53ca\u4f7f\u7528go\u5173\u952e\u5b57\u89e3\u51b3\u201call goroutines asleep\u201d\u9519\u8bef\u7684\u539f\u56e0\u3002<\/p>\n<p><strong>\u9519\u8bef\u5206\u6790<\/strong><\/p>\n<p>\u4e3e\u4f8b\u4ee3\u7801\u4e2d\uff0c\u6b7b\u9501\u662f\u7531\u672a\u5173\u95edchannel foo6chan\u9020\u6210\u7684\u3002\u5f53\u6ca1\u6709\u5143\u7d20\u653e\u5165channel\u65f6\uff0c\u8bfb\u53d6\u7aef\uff08\u7ba1\u9053\u63a5\u6536\uff09\u5c06\u4e00\u76f4\u963b\u585e\u4e8efor\u5faa\u73af\u3002\u8fd9\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u4e2d\u7684\u6240\u6709goroutine\u90fd\u9677\u5165\u6b7b\u9501\u72b6\u6001\uff0c\u5e76\u629b\u51fa\u201call goroutines are asleep &#8211; deadlock!\u201d\u9519\u8bef\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201cgo\u8bed\u8a00\u514d\u8d39\u5b66\u4e60\u7b14\u8bb0\uff08\u6df1\u5165\uff09\u201d\uff1b<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n<p>\u8981\u907f\u514d\u6b7b\u9501\uff0c\u5728\u5c06\u6240\u6709\u5143\u7d20\u653e\u5165channel\u540e\uff0c\u5e94\u5173\u95edchannel\u3002\u8be5\u4ee3\u7801\u53ef\u4fee\u6539\u4e3a\uff1a<\/p>\n<pre>...\nfoo6Chan &lt;- 5\nclose(foo6Chan) \/\/ \u5173\u95edchannle\nfoo6()<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528go\u5173\u952e\u5b57<\/strong><\/p>\n<p>\u5728\u4f8b\u5b50\u4e2d\uff0c\u5f53\u5c06 foo6\u51fd\u6570\u6539\u5199\u4e3a go foo6()\u65f6\uff0c\u9519\u8bef\u6d88\u5931\u4e86\u3002\u8fd9\u662f\u56e0\u4e3a\u51fd\u6570\u8fd0\u884c\u5728\u53e6\u4e00\u4e2agoroutine\u4e2d\uff0c\u5e76\u4e14\u4e0d\u4f1a\u963b\u585e\u4e3b\u7ebf\u7a0b\u3002\u4e3b\u7a0b\u5e8f\u57282\u79d2\u540e\u7ed3\u675f\uff0c\u6740\u6389\u4e86\u8fd9\u4e2agoroutine\uff0c\u9519\u8bef\u4fbf\u4e0d\u4f1a\u663e\u73b0\u3002<\/p>\n<p>\u603b\u4e4b\uff0c\u907f\u514dgolang\u4e2d\u7684\u6b7b\u9501\u9519\u8bef\u9700\u8981\u8c28\u614e\u5904\u7406channel\u3002\u901a\u8fc7\u5173\u95edchannel\u5e76\u5728\u5fc5\u8981\u7684\u6761\u4ef6\u4e0b\u4f7f\u7528go\u5173\u952e\u5b57\uff0c\u53ef\u4ee5\u9632\u6b62\u6b7b\u9501\u7684\u53d1\u751f\uff0c\u786e\u4fdd\u7a0b\u5e8f\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fGo\u8bed\u8a00\u4e2d\u5982\u4f55\u907f\u514d\u201call goroutines asleep\u201d\u6b7b\u9501\u9519\u8bef\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>golang\u6b7b\u9501\uff1a\u907f\u514d\u201call goroutines asleep\u201d\u9519\u8bef \u5728go\u8bed\u8a00\u4e2d\u4f7f\u7528channel\u65f6\uff0c\u5982\u679c\u672a\u5173\u95edchannel\uff0c\u5219\u5bb9\u6613\u5f15\u53d1\u6b7b\u9501\u3002\u672c\u6587\u5c06\u89e3\u91ca\u5982\u4f55\u7406\u89e3\u548c\u89e3\u51b3\u6b64\u9519\u8bef\uff0c\u4ee5\u53ca\u4f7f\u7528go\u5173\u952e\u5b57\u89e3\u51b3\u201call goroutines asleep\u201d\u9519\u8bef\u7684\u539f\u56e0\u3002 \u9519\u8bef\u5206\u6790 \u4e3e\u4f8b\u4ee3\u7801\u4e2d\uff0c\u6b7b\u9501\u662f\u7531\u672a\u5173\u95edchannel foo6chan\u9020\u6210\u7684\u3002\u5f53\u6ca1\u6709\u5143\u7d20\u653e\u5165channel\u65f6\uff0c\u8bfb\u53d6\u7aef\uff08\u7ba1\u9053\u63a5\u6536\uff09\u5c06\u4e00\u76f4\u963b\u585e\u4e8efor\u5faa\u73af\u3002\u8fd9\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u4e2d\u7684\u6240\u6709goroutine\u90fd\u9677\u5165\u6b7b\u9501\u72b6\u6001\uff0c\u5e76\u629b\u51fa\u201call goroutines are asleep &#8211; deadlock!\u201d\u9519\u8bef\u3002 \u7acb\u5373\u5b66\u4e60\u201cgo\u8bed\u8a00\u514d\u8d39\u5b66\u4e60\u7b14\u8bb0\uff08\u6df1\u5165\uff09\u201d\uff1b \u89e3\u51b3\u65b9\u6848 \u8981\u907f\u514d\u6b7b\u9501\uff0c\u5728\u5c06\u6240\u6709\u5143\u7d20\u653e\u5165channel\u540e\uff0c\u5e94\u5173\u95edchannel\u3002\u8be5\u4ee3\u7801\u53ef\u4fee\u6539\u4e3a\uff1a &#8230; foo6Chan &lt;- 5 close(foo6Chan) \/\/ \u5173\u95edchannle foo6() \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528go\u5173\u952e\u5b57 \u5728\u4f8b\u5b50\u4e2d\uff0c\u5f53\u5c06 foo6\u51fd\u6570\u6539\u5199\u4e3a go foo6()\u65f6\uff0c\u9519\u8bef\u6d88\u5931\u4e86\u3002\u8fd9\u662f\u56e0\u4e3a\u51fd\u6570\u8fd0\u884c\u5728\u53e6\u4e00\u4e2agoroutine\u4e2d\uff0c\u5e76\u4e14\u4e0d\u4f1a\u963b\u585e\u4e3b\u7ebf\u7a0b\u3002\u4e3b\u7a0b\u5e8f\u57282\u79d2\u540e\u7ed3\u675f\uff0c\u6740\u6389\u4e86\u8fd9\u4e2agoroutine\uff0c\u9519\u8bef\u4fbf\u4e0d\u4f1a\u663e\u73b0\u3002 \u603b\u4e4b\uff0c\u907f\u514dgolang\u4e2d\u7684\u6b7b\u9501\u9519\u8bef\u9700\u8981\u8c28\u614e\u5904\u7406channel\u3002\u901a\u8fc7\u5173\u95edchannel\u5e76\u5728\u5fc5\u8981\u7684\u6761\u4ef6\u4e0b\u4f7f\u7528go\u5173\u952e\u5b57\uff0c\u53ef\u4ee5\u9632\u6b62\u6b7b\u9501\u7684\u53d1\u751f\uff0c\u786e\u4fdd\u7a0b\u5e8f\u6b63\u5e38\u8fd0\u884c\u3002 \u4ee5\u4e0a\u5c31\u662fGo\u8bed\u8a00\u4e2d\u5982\u4f55\u907f\u514d\u201call goroutines asleep\u201d\u6b7b\u9501\u9519\u8bef\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-884","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/884","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=884"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/884\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}