{"id":5000,"date":"2024-08-02T15:12:43","date_gmt":"2024-08-02T07:12:43","guid":{"rendered":"http:\/\/www.wangkaixuan.tech\/?p=5000"},"modified":"2024-08-05T09:11:18","modified_gmt":"2024-08-05T01:11:18","slug":"%e7%bb%86%e8%af%b4%e6%8a%80%e6%9c%af%e7%b3%bb%e7%bb%9f%e4%b8%ad%e7%9a%84%e5%85%ac%e5%b9%b3%e6%80%a7%e9%97%ae%e9%a2%98-03-%e5%85%b6%e4%bb%96epoll%e7%9b%b8%e5%85%b3%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"http:\/\/www.wangkaixuan.tech\/?p=5000","title":{"rendered":"\u7ec6\u8bf4\u6280\u672f\u7cfb\u7edf\u4e2d\u7684\u516c\u5e73\u6027\u95ee\u9898-03-\u5176\u4ed6epoll\u76f8\u5173\u51fd\u6570"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">1.\u524d\u8a00<\/h1>\n\n\n\n<p><a href=\"http:\/\/www.wangkaixuan.tech\/?p=4932\">\u4e0a\u4e00\u7bc7<\/a>\u4e2d\uff0c\u6211\u4eec\u7740\u91cd\u5206\u6790\u4e86epoll_wait\u51fd\u6570\u3002\u8fd9\u4e00\u7bc7\u4e2d\uff0c\u6211\u4eec\u5c06\u4ee5\u52a8\u6001\u7684\u89c6\u89d2\u5206\u6790\u4e0b\u4e00\u5305tcp\u6570\u636e\u5230\u8fbe\u670d\u52a1\u7aef\u540e\u5c06\u4f1a\u53d1\u751f\u4ec0\u4e48\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">2.\u7528\u6237\u7a0b\u5e8f<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">2.1 epoll_create1<\/h2>\n\n\n\n<p>\u4f7f\u7528epoll \u7684\u7b2c\u4e00\u6b65\u662f\u4f7f\u7528epoll_create1\u51fd\u6570\u521b\u5efaepoll\u5957\u63a5\u5b57\uff0c\u51fd\u6570\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"530\" height=\"167\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2024\/08\/image-28.png\" alt=\"\" class=\"wp-image-5002\"\/><\/figure>\n\n\n\n<p>\u8fd9\u4e2a\u51fd\u6570\u7684\u5173\u952e\u662f\u521b\u5efa\u4e00\u4e2a<strong>struct eventpoll<\/strong>\u7ed3\u6784\u4f53\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u7ed3\u6784\u4f53\u4e0a\u6709\u5f88\u591a\u5b57\u6bb5\uff0c\u6211\u4eec\u7b80\u5355\u6311\u51e0\u4e2a\u7528\u5230\u7684\u89e3\u91ca\u4e00\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"730\" height=\"686\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2024\/08\/image-29.png\" alt=\"\" class=\"wp-image-5003\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>mtx\uff1a\u4e92\u65a5\u91cf\u3002\u6211\u4eec\u77e5\u9053\uff0c\u5185\u6838\u662f\u5e76\u53d1\u7684\uff0c\u6709\u5e76\u53d1\u5c31\u9700\u8981\u6709\u5e76\u53d1\u63a7\u5236\uff0cmtx\u5c31\u662f\u7528\u6765\u5e72\u8fd9\u4e2a\u7684\u3002\u8981\u60f3\u8bbf\u95eeeventpoll\u7ed3\u6784\u4f53\u4e0a\u7684\u4e00\u4e9b\u53d8\u91cf\uff0c\u5c31\u8981\u5148\u4f7f\u7528mtx\u83b7\u5f97\u5bf9\u8fd9\u4e9b\u53d8\u91cf\u72ec\u5360\u8bbf\u95ee\u6743\u3002<\/li>\n\n\n\n<li>wq\uff1a\u5f53\u7528\u6237\u6001\u8fdb\u7a0b\u8c03\u7528epoll_wait\u7b49\u5f85io\u4e8b\u4ef6\u53d1\u751f\u65f6\uff0c\u5982\u679c\u6ca1\u6709\u4efb\u4f55\u4e8b\u4ef6\u89e6\u53d1\uff0c\u7528\u6237\u6001\u8fdb\u7a0b\u4f1a\u8fdb\u5165\u4f11\u7720\u72b6\u6001\uff0c\u76f4\u5230\u88abio\u4e8b\u4ef6\u5524\u9192\uff0cwq\u5c31\u662f\u505a\u8fd9\u4e2a\u7684\u3002<\/li>\n\n\n\n<li>rdllist\uff1a\u8fd9\u4e2a\u6211\u4eec\u975e\u5e38\u719f\u6089\uff0c\u5728\u524d\u4e00\u7bc7\u4e2d\u53cd\u590d\u63d0\u5230\uff0c\u662f\u5f85\u5904\u7406\u7684\u5957\u63a5\u5b57\u5c31\u7eea\u4e8b\u4ef6\u5217\u8868\u3002<\/li>\n\n\n\n<li>rbr\uff1a\u8fd9\u662f\u4e2a\u7ea2\u9ed1\u6811\u3002\u6211\u4eec\u77e5\u9053\uff0cepoll\u80fd\u7ba1\u7406\u5de8\u91cf\u7684\u5957\u63a5\u5b57\uff0c\u6bcf\u4e2a\u5957\u63a5\u5b57\u90fd\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684\u6570\u636e\u7ed3\u6784\uff0c\u8fd9\u4e2a\u7ea2\u9ed1\u6811\u5c31\u662f\u4fdd\u5b58\u8fd9\u4e9b\u5957\u63a5\u5b57\u7684\u6570\u636e\u7ed3\u6784\u7684\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2.2 epoll_ctl<\/h2>\n\n\n\n<p>epoll_ctl\u53ef\u4ee5\u88ab\u7528\u6765\u5411epoll\u5bf9\u8c61\u4e2d\u6dfb\u52a0\/\u5220\u9664\/\u4fee\u6539\u5957\u63a5\u5b57\u5217\u8868\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\u670d\u52a1\u7aefaccept\u8fde\u63a5\u4e4b\u540e\uff0c\u83b7\u5f97\u4e86\u5ba2\u6237\u7aefpeer\u7684\u5957\u63a5\u5b57fd\uff0c\u53ef\u4ee5\u8c03\u7528epoll_ctl\u63a5\u53e3\u5c06\u5176\u52a0\u5165\u5230epoll\u7684io\u4e8b\u4ef6\u5173\u6ce8\u5217\u8868\u4e2d\u3002\u8fd9\u6837\u5f53\u5ba2\u6237\u7aef\u53d1\u9001\u6765\u6570\u636e\u540e\uff0c\u901a\u8fc7epoll_wait\u5c31\u80fd\u83b7\u5f97\u6709\u5173\u8be5\u5ba2\u6237\u7aef\u8fde\u63a5\u7684io\u4e8b\u4ef6\u901a\u77e5\u3002<\/p>\n\n\n\n<p>\u51fd\u6570\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"734\" height=\"234\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2024\/08\/image-30.png\" alt=\"\" class=\"wp-image-5004\"\/><\/figure>\n\n\n\n<p>\u9996\u5148\u6211\u4eec\u5173\u6ce8\u4e0b\u51fd\u6570\u4e2d\u7684\u8fd9\u4e24\u4e2a\u5173\u952e\u53d8\u91cf\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"293\" height=\"49\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2024\/08\/image-31.png\" alt=\"\" class=\"wp-image-5005\"\/><\/figure>\n\n\n\n<p>\u524d\u8005\u5c31\u662f\u4e0a\u9762\u6211\u4eec\u4f7f\u7528epoll_create1\u521b\u5efa\u7684epoll\u5bf9\u8c61\uff0c\u540e\u9762\u662f\u8fd9\u4e2a\u5177\u4f53\u7684\u5957\u63a5\u5b57\u5bf9\u5e94\u7684epollitem\u5bf9\u8c61\u3002\u5f53\u6211\u4eec\u8c03\u7528epoll_ctl\u5c06\u5957\u63a5\u5b57\u52a0\u5165epoll\u5173\u6ce8\u5217\u8868\u65f6\uff0c\u5176\u5b9e\u5c31\u662f\u5c06\u4e0a\u9762\u7684epitem\u52a0\u5165\u5230ep\u4e2d\u4e86\u3002<\/p>\n\n\n\n<p>\u77e5\u9053\u8fd9\u4e00\u70b9\u540e\uff0c\u76f8\u5173\u7684\u4ee3\u7801\u5c31\u6bd4\u8f83\u5bb9\u6613\u770b\u61c2\u4e86\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"410\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2024\/08\/image-32.png\" alt=\"\" class=\"wp-image-5006\"\/><\/figure>\n\n\n\n<p>ep_insert\u51fd\u6570\u7684\u5173\u952e\u662f\u8fd9\u4e00\u53e5\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"670\" height=\"145\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2024\/08\/image-33.png\" alt=\"\" class=\"wp-image-5007\"\/><\/figure>\n\n\n\n<p>\u5373\uff1a\u5c06epitem\u52a0\u5165\u5230ep\u7684\u7ea2\u9ed1\u6811\u4e2d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2.3 \u603b\u7ed3<\/h2>\n\n\n\n<p>\u753b\u4e2a\u56fe\u603b\u7ed3\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"941\" height=\"478\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2024\/08\/image-34.png\" alt=\"\" class=\"wp-image-5008\"\/><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\">3.\u7cfb\u7edf\u7a0b\u5e8f<\/h1>\n\n\n\n<p>\u8fd9\u90e8\u5206\u6211\u4eec\u4e3b\u8981\u63a2\u8ba8\u5f53\u7f51\u5361\u6536\u5230\u5ba2\u6237\u7aef\u8fde\u63a5\u53d1\u6765\u7684\u6570\u636e\u540e\u53d1\u751f\u4e86\u4ec0\u4e48\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3.1 \u8f6f\u4e2d\u65ad\u5904\u7406<\/h2>\n\n\n\n<p>\u6570\u636e\u5230\u8fbe\u7f51\u5361\u540e\uff0c\u4f1a\u89e6\u53d1\u8f6f\u4e2d\u65ad\u4e8b\u4ef6\uff0clinux\u7cfb\u7edf\u4f7f\u7528\u72ec\u7acb\u7684\u5185\u6838\u7ebf\u7a0b\uff08ksoftirqd\uff09\u5904\u7406\u8f6f\u4e2d\u65ad\u4e8b\u4ef6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"48\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2024\/08\/image-35.png\" alt=\"\" class=\"wp-image-5012\"\/><\/figure>\n\n\n\n<p>\u5982\u4e0a\u56fe\u4e2d\u7684ksoftirqd\/0\u7ebf\u7a0b\uff0c\u8868\u793a\u8be5\u7ebf\u7a0b\u8d1f\u8d23\u5904\u7406\u4f4d\u4e8eCPU0\u4e0a\u7684\u8f6f\u4e2d\u65ad\u4e8b\u4ef6\u3002<\/p>\n\n\n\n<p>\u5728\u591a\u6838\u7cfb\u7edf\u4e2d\uff0c\u8fd9\u6837\u7684\u7ebf\u7a0b\u4f1a\u6709\u591a\u4e2a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"649\" height=\"371\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2024\/08\/image-36.png\" alt=\"\" class=\"wp-image-5013\"\/><\/figure>\n\n\n\n<p>\u7cfb\u7edf\u5728\u5904\u7406\u8f6f\u4e2d\u65ad\u7684\u65f6\u5019\uff0c\u8fc7\u7a0b\u6bd4\u8f83\u590d\u6742\uff0c\u6700\u7ec8\u4f1a\u8c03\u7528\u5230ep_poll_callback\u8fd9\u4e2a\u51fd\u6570\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"899\" height=\"202\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2024\/08\/image-37.png\" alt=\"\" class=\"wp-image-5014\"\/><\/figure>\n\n\n\n<p>\u51fd\u6570\u903b\u8f91\u7ecf\u8fc7\u7b80\u5316\u540e\uff0c\u975e\u5e38\u7b80\u5355\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"817\" height=\"302\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2024\/08\/image-38.png\" alt=\"\" class=\"wp-image-5015\"\/><\/figure>\n\n\n\n<p>\u5373\uff1a\u5982\u679c\u4ece\u7f51\u7edc\u4e0a\u6536\u5230\u6570\u636e\u4e86\uff0c\u8f6f\u4e2d\u65ad\u7ebf\u7a0b\u4f1a\u76f4\u63a5\u627e\u5230\u6570\u636e\u6240\u5c5e\u7684\u5957\u63a5\u5b57\u7684epitem\uff0c\u5e76\u5c06\u5176\u52a0\u5165\u5957\u63a5\u5b57\u7684\u5c31\u7eea\u5217\u8868\u3002<\/p>\n\n\n\n<p>\u63d2\u5165\u5c31\u7eea\u5217\u8868\u65f6\uff0c\u91c7\u7528\u7684\u662f\u5c3e\u63d2\u6cd5\uff0c\u5982\u679c\u6bcf\u6b21epoll_wait\u7684\u65f6\u5019\uff0c\u5957\u63a5\u5b57\u90fd\u4e0d\u5728\u5c31\u7eea\u5217\u8868\u4e2d\uff08\u9002\u7528\u4e8e\u4f4e\u901f\u5ba2\u6237\u7aef\u6216\u9ad8\u901f\u670d\u52a1\u7aef\uff0c\u80fd\u5f88\u53ca\u65f6\u5730\u5c06\u5957\u63a5\u5b57\u7684\u4e8b\u60c5\u5904\u7406\u5b8c\uff09\uff0c\u5219epoll_wait\u8fd4\u56de\u7ed9\u670d\u52a1\u7aef\u7684\u5957\u63a5\u5b57\u5217\u8868\u5c31\u662f\u5ba2\u6237\u7aef\u6570\u636e\u5b9e\u9645\u5230\u8fbe\u670d\u52a1\u7aef\u7684\u987a\u5e8f\uff0c\u662f\u6bd4\u8f83\u516c\u5e73\u7684\u3002<\/p>\n\n\n\n<p>\u7136\u800c\u4e00\u65e6\u4e0a\u4e2a\u573a\u666f\u4e2d\u7684\u6761\u4ef6\u4e0d\u6ee1\u8db3\uff0c\u5373\u5f53\u6709\u6570\u636e\u5230\u6765\u65f6\uff0c\u5957\u63a5\u5b57\u8fd8\u5728\u5c31\u7eea\u5217\u8868\u4e2d\uff0c\u90a3\u4e48<strong><em>\u65b0\u5230\u6765\u7684\u6570\u636e\u5e76\u4e0d\u4f1a\u5bfc\u81f4\u5957\u63a5\u5b57\u5728\u5c31\u7eea\u5217\u8868\u4e2d\u7684\u987a\u5e8f\u53d1\u751f\u53d8\u5316<\/em><\/strong>\uff0c\u8fd9\u6837epoll_wait\u8fd4\u56de\u7ed9\u670d\u52a1\u7aef\u7684\u5957\u63a5\u5b57\u5217\u8868\u5c31\u53ef\u80fd\u4e0d\u592a\u516c\u5e73\u4e86\uff0c\u8fd9\u65f6\u5019\uff0c<strong><em>\u662f\u5426\u6709\u5fc5\u8981\u8ba9\u670d\u52a1\u5668\u7aef\u518d\u505a\u4e00\u6b21\u516c\u5e73\u6027\u5904\u7406\u5462\uff1f<\/em><\/strong><\/p>\n\n\n\n<p>\u5bfc\u81f4\u65b0\u6570\u636e\u5230\u6765\u65f6\uff0c\u5957\u63a5\u5b57\u4ecd\u7136\u5b58\u5728\u4e8e\u5c31\u7eea\u5217\u8868\u4e2d\u7684\u5b9e\u9645\u573a\u666f\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5ba2\u6237\u7aef\u53d1\u9001\u6570\u636e\u592a\u5feb\uff0c\u670d\u52a1\u7aef\u63a5\u6536\u901f\u5ea6\u8d76\u4e0d\u4e0a<\/li>\n\n\n\n<li>\u670d\u52a1\u7aef\u5904\u7406\u901f\u5ea6\u592a\u6162\uff0c\u63a5\u6536\u4e0d\u53ca\u65f6<\/li>\n\n\n\n<li>\u670d\u52a1\u7aef\u6545\u610f\u964d\u4f4e\u63a5\u6536\u901f\u5ea6\uff08\u9650\u901f\u3001\u516c\u5e73\u7b56\u7565\u7b49\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u53e6\u5916\uff0c\u5373\u4f7f\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u7684\u901f\u5ea6\u5339\u914d\uff0c\u5373epoll_wait\u6bcf\u6b21\u8c03\u7528\u524d\uff0cepoll_wait\u7684\u5c31\u7eea\u5217\u8868\u603b\u662f\u7a7a\uff0c\u4e5f\u8fd8\u662f\u6709\u4e00\u4e9b\u95ee\u9898\u7684\u3002\u4f8b\u5982\u5f53\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u4e1a\u52a1\u6570\u636e\u5305\u5728\u5e95\u5c42\u4f20\u8f93\u6570\u636e\u65f6\u8fdb\u884c\u4e86\u5206\u5305\u65f6\uff0c\u670d\u52a1\u7aef\u4f1a\u4ee5<strong><em>\u6700\u5148\u5230\u8fbe\u7684\u90a3\u4e2a\u5c0f\u5305\u4e3a\u4f9d\u636e\u8fdb\u884c\u6392\u5e8f<\/em><\/strong>\uff0c\u800c\u4e0d\u4f1a\u4ee5\u6574\u5305\u5230\u9f50\u7684\u987a\u5e8f\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3.2 \u603b\u7ed3<\/h2>\n\n\n\n<p>\u753b\u4e2a\u56fe\u603b\u7ed3\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1114\" height=\"447\" src=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2024\/08\/image-39.png\" alt=\"\" class=\"wp-image-5016\"\/><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\">4.\u603b\u7ed3<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>epoll_create1\u4f1a\u521b\u5efa\u4e00\u4e2aeventpoll\u7ed3\u6784\uff0c\u5173\u8054\u5230epollfd\uff0c\u8be5\u7ed3\u6784\u5185\u90e8\u5305\u542b\u4e00\u4e2a\u5957\u63a5\u5b57\u5c31\u7eea\u5217\u8868rdllist\uff0c\u548c\u4e00\u4e2a\u7528\u4e8e\u4fdd\u5b58\u6240\u6709\u6ce8\u518c\u5957\u63a5\u5b57\u4fe1\u606f\u7684\u7ea2\u9ed1\u6811rbr<\/li>\n\n\n\n<li>epoll_ctl(EPOLL_CTL_ADD)\u4f1a\u521b\u5efa\u4e00\u4e2aepitem\u7ed3\u6784\uff0c\u5173\u8054\u5230\u5ba2\u6237\u7aef\u5957\u63a5\u5b57\uff0c\u5e76\u5c06\u8be5\u5957\u63a5\u5b57\u7684epitem\u7ed3\u6784\u63d2\u5165epollfd\u6240\u5c5e\u7684\u7ea2\u9ed1\u6811\u4e2d<\/li>\n\n\n\n<li>\u7f51\u7edc\u6570\u636e\u63a5\u6536\u4e8b\u4ef6\u7531\u5185\u6838\u7684\u8f6f\u4e2d\u65ad\u7ebf\u7a0b\u5904\u7406\uff0c\u5f53\u7f51\u5361\u4e0a\u6709\u6570\u636e\u5230\u6765\u65f6\uff0c\u8f6f\u4e2d\u65ad\u7ebf\u7a0b\u4f1a\u4e00\u6b65\u6b65\u627e\u5230\u8be5\u6570\u636e\u5bf9\u5e94\u7684epitem\u7ed3\u6784\u548cepollfd\u7ed3\u6784\uff0c\u5982\u679c\u8be5epitem\u4e0d\u5728\u5bf9\u5e94\u7684\u5c31\u7eea\u5217\u8868rdllist\u4e2d\u65f6\uff0c\u8f6f\u4e2d\u65ad\u7ebf\u7a0b\u4f1a\u5c06\u5176\u8ffd\u52a0\u5230rdllist\u4e2d\uff0c\u8fd9\u4f1a\u9020\u6210\u4e24\u4e2a\u6548\u679c\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5957\u63a5\u5b57\u5728rdllist\u7684\u987a\u5e8f\uff0c\u4e3a\u5957\u63a5\u5b57io\u4e8b\u4ef6\u53d1\u751f\u7684\u987a\u5e8f\uff0c\u5373\u5ba2\u6237\u7aef\u6570\u636e\u5230\u8fbe\u670d\u52a1\u5668\u7f51\u5361\u7684\u987a\u5e8f\uff08\u5982\u679c\u5e95\u5c42\u6709TCP\u5206\u5305\uff0c\u90a3\u4e48\u4f1a\u4ee5\u7b2c\u4e00\u4e2a\u5206\u7ec4\u5230\u8fbe\u7684\u987a\u5e8f\u4e3a\u51c6\uff0c\u800c\u4e0d\u662f\u4ee5\u6574\u4e2a\u4e1a\u52a1\u6570\u636e\u5305\u5168\u90e8\u5230\u9f50\u7684\u987a\u5e8f\u4e3a\u51c6\uff09<\/li>\n\n\n\n<li>\u5982\u679c\u5957\u63a5\u5b57\u7684io\u4e8b\u4ef6\u6ca1\u6709\u5728\u4e0a\u8f6eepoll_wait\u4e2d\u5904\u7406\u5b8c\uff0c\u90a3\u4e48\u65b0\u6570\u636e\u7684\u5230\u6765\u4e0d\u4f1a\u5bfc\u81f4\u8be5\u5957\u63a5\u5b57\u5728\u5c31\u7eea\u5217\u8868\u4e2d\u7684\u4f4d\u7f6e\u53d1\u751f\u6539\u53d8\uff08\u8be5\u573a\u666f\u53ef\u80fd\u5bfc\u81f4\u4e00\u4e9b\u516c\u5e73\u6027\u95ee\u9898\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">5.\u53c2\u8003\u8d44\u6599<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53c2\u8003\u535a\u6587\uff1ahttps:\/\/zhuanlan.zhihu.com\/p\/487497556<\/li>\n\n\n\n<li>\u76f8\u5173\u56fe\u8868\uff1a<a href=\"http:\/\/www.wangkaixuan.tech\/wp-content\/uploads\/2024\/08\/\u793a\u610f\u56fe-1.pptx\">\u70b9\u6211\u4e0b\u8f7d<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>1.\u524d\u8a00 \u4e0a\u4e00\u7bc7\u4e2d\uff0c\u6211\u4eec\u7740\u91cd\u5206\u6790\u4e86epoll_wait\u51fd\u6570\u3002\u8fd9\u4e00\u7bc7\u4e2d\uff0c\u6211\u4eec\u5c06\u4ee5\u52a8\u6001\u7684\u89c6\u89d2\u5206\u6790\u4e0b\u4e00\u5305tcp\u6570\u636e\u5230\u8fbe\u670d\u52a1\u7aef\u540e\u5c06\u4f1a\u53d1\u751f\u4ec0\u4e48\u3002 2.\u7528\u6237\u7a0b\u5e8f 2.1 e&#8230;<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"http:\/\/www.wangkaixuan.tech\/?p=5000\"> Read More<span class=\"screen-reader-text\">  Read More<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-5000","post","type-post","status-publish","format-standard","hentry","category-03-"],"_links":{"self":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/posts\/5000","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5000"}],"version-history":[{"count":0,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/posts\/5000\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5000"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5000"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5000"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}