{"id":94422,"date":"2026-08-14T12:57:04","date_gmt":"2026-08-14T04:57:04","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/94422.html"},"modified":"2026-08-14T12:57:04","modified_gmt":"2026-08-14T04:57:04","slug":"%e3%80%8aunix%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b%e3%80%8b%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e7%ba%bf%e7%a8%8b%e5%ae%9e%e7%8e%b0%e9%ab%98%e6%80%a7%e8%83%bdtcp%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/94422.html","title":{"rendered":"\u300aUNIX\u7f51\u7edc\u7f16\u7a0b\u300b\u4e2d\u5982\u4f55\u4f7f\u7528\u7ebf\u7a0b\u5b9e\u73b0\u9ad8\u6027\u80fdTCP\u670d\u52a1\u5668\uff1f"},"content":{"rendered":"<h4>\u300aUNIX\u7f51\u7edc\u7f16\u7a0b\u300b\u4e2d\u4f7f\u7528\u7ebf\u7a0b\u5b9e\u73b0\u9ad8\u6027\u80fdTCP\u670d\u52a1\u5668\u7684\u65b9\u6cd5<\/h4>\n<p>\u5728\u300aUNIX\u7f51\u7edc\u7f16\u7a0b-\u53771\u300b\u4e2d&#xff0c;\u7ebf\u7a0b\u662f\u5b9e\u73b0\u9ad8\u5e76\u53d1TCP\u670d\u52a1\u5668\u7684\u6838\u5fc3\u6280\u672f\u4e4b\u4e00\u3002\u4ee5\u4e0b\u7ed3\u5408\u4e66\u4e2d\u5185\u5bb9\u548c\u5f15\u7528\u8d44\u6599&#xff0c;\u68b3\u7406\u6838\u5fc3\u65b9\u6cd5&#xff1a;<\/p>\n<hr \/>\n<h5>1. \u7ebf\u7a0b\u6a21\u578b\u7684\u9009\u62e9<\/h5>\n<p>\u4e66\u4e2d\u5f3a\u8c03\u4e24\u79cd\u5178\u578b\u6a21\u578b&#xff1a;<\/p>\n<ul>\n<li>\u6bcf\u8fde\u63a5\u6bcf\u7ebf\u7a0b&#xff1a;accept()\u83b7\u53d6\u65b0\u8fde\u63a5\u540e&#xff0c;\u4e3a\u6bcf\u4e2a\u5ba2\u6237\u7aef\u521b\u5efa\u4e13\u5c5e\u7ebf\u7a0b<span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> connfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span>listenfd<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">pthread_create<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>tid<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span> thread_func<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>connfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<\/li>\n<li>\u7ebf\u7a0b\u6c60\u6a21\u578b&#xff1a;\u9884\u521b\u5efa\u7ebf\u7a0b\u6c60&#xff0c;\u590d\u7528\u7ebf\u7a0b\u5904\u7406\u591a\u8fde\u63a5&#xff08;\u5f15\u7528[2]\u7684&#034;\u7a7a\u95f4\u6362\u65f6\u95f4&#034;\u601d\u60f3&#xff09;<br \/>\n\u907f\u514d\u9891\u7e41\u521b\u5efa\u9500\u6bc1\u7ebf\u7a0b\u7684\u5f00\u9500&#xff0c;\u901a\u8fc7\u5171\u4eab\u961f\u5217\u5206\u914d\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<hr \/>\n<h5>2. \u6838\u5fc3\u5b9e\u73b0\u6b65\u9aa4<\/h5>\n<p>\u4e66\u4e2d&#xff08;\u7b2c26\u7ae0&#xff09;\u8be6\u7ec6\u5c55\u793a\u4ee5\u4e0b\u6d41\u7a0b&#xff1a;<\/p>\n<li>\u4e3b\u7ebf\u7a0b\u76d1\u542c\u4e0e\u5206\u53d1\n<ul>\n<li>\u4e3b\u7ebf\u7a0b\u8d1f\u8d23\u76d1\u542c\u7aef\u53e3\u548caccept()\u65b0\u8fde\u63a5<\/li>\n<li>\u5c06\u8fde\u63a5\u63cf\u8ff0\u7b26\u52a0\u5165\u5171\u4eab\u961f\u5217&#xff0c;\u5e76\u901a\u8fc7\u6761\u4ef6\u53d8\u91cf\u901a\u77e5\u5de5\u4f5c\u7ebf\u7a0b<\/li>\n<\/ul>\n<\/li>\n<li>\u5de5\u4f5c\u7ebf\u7a0b\u5904\u7406\u903b\u8f91<span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> <span class=\"token function\">worker_thread<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span> arg<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n   <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n       <span class=\"token function\">pthread_mutex_lock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>queue_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n       <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>queue_empty<span class=\"token punctuation\">)<\/span><br \/>\n           <span class=\"token function\">pthread_cond_wait<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>cond<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7b49\u5f85\u65b0\u8fde\u63a5<\/span><br \/>\n       <span class=\"token keyword\">int<\/span> connfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">dequeue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u4ece\u961f\u5217\u83b7\u53d6\u8fde\u63a5<\/span><br \/>\n       <span class=\"token function\">pthread_mutex_unlock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>queue_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n       <span class=\"token function\">process_request<\/span><span class=\"token punctuation\">(<\/span>connfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5904\u7406\u8bf7\u6c42<\/span><br \/>\n   <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<\/li>\n<li>\u540c\u6b65\u673a\u5236\n<ul>\n<li>\u4e92\u65a5\u9501&#xff1a;\u4fdd\u62a4\u5171\u4eab\u961f\u5217&#xff08;\u5982pthread_mutex_lock&#xff09;<\/li>\n<li>\u6761\u4ef6\u53d8\u91cf&#xff1a;\u534f\u8c03\u7ebf\u7a0b\u5524\u9192&#xff08;\u5982pthread_cond_signal&#xff09;<br \/>\n\u907f\u514d\u7ade\u6001\u6761\u4ef6&#xff08;\u5f15\u7528[5]\u4e2d\u7684\u540c\u6b65\u6280\u672f&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<hr \/>\n<h5>3. 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\/>\n\u4e66\u4e2d\u5f3a\u8c03\u4e24\u79cd\u5178\u578b\u6a21\u578b&#xff1a;<br \/>\n\u6bcf\u8fde\u63a5\u6bcf\u7ebf\u7a0b&#xff1a;accept()\u83b7\u53d6\u65b0\u8fde\u63a5\u540e&#xff0c;\u4e3a\u6bcf\u4e2a\u5ba2\u6237\u7aef\u521b\u5efa\u4e13\u5c5e\u7ebf\u7a0bwhile (1) {int connfd  accept(listenfd, &#8230;);pthread<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[259,43,78],"topic":[],"class_list":["post-94422","post","type-post","status-publish","format-standard","hentry","category-server","tag-unix","tag-43","tag-78"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u300aUNIX\u7f51\u7edc\u7f16\u7a0b\u300b\u4e2d\u5982\u4f55\u4f7f\u7528\u7ebf\u7a0b\u5b9e\u73b0\u9ad8\u6027\u80fdTCP\u670d\u52a1\u5668\uff1f - 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