{"id":16735,"date":"2024-11-18T12:10:36","date_gmt":"2024-11-18T04:10:36","guid":{"rendered":"https:\/\/fwq.ai\/blog\/16735\/"},"modified":"2024-11-18T12:10:36","modified_gmt":"2024-11-18T04:10:36","slug":"%e8%a7%a3%e8%af%bbnginx%e7%9a%84%e8%af%b7%e6%b1%82%e5%a4%84%e7%90%86%e6%a8%a1%e5%bc%8f%e5%92%8c%e7%ba%bf%e7%a8%8b%e6%b1%a0%e8%b0%83%e5%ba%a6%e6%9c%ba%e5%88%b6%e7%9a%84%e5%ba%95%e5%b1%82%e5%ae%9e","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/16735\/","title":{"rendered":"\u89e3\u8bfbNginx\u7684\u8bf7\u6c42\u5904\u7406\u6a21\u5f0f\u548c\u7ebf\u7a0b\u6c60\u8c03\u5ea6\u673a\u5236\u7684\u5e95\u5c42\u5b9e\u73b0\u539f\u7406"},"content":{"rendered":"<p>\u89e3\u8bfb\u7684\u8bf7\u6c42\u5904\u7406\u6a21\u5f0f\u548c\u7ebf\u7a0b\u6c60\u8c03\u5ea6\u673a\u5236\u7684\u5e95\u5c42\u5b9e\u73b0\u539f\u7406<\/p>\n<p>Nginx\u4f5c\u4e3a\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684Web\u670d\u52a1\u5668\u548c\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u5176\u72ec\u7279\u7684\u8bf7\u6c42\u5904\u7406\u6a21\u5f0f\u548c\u4f18\u79c0\u7684\u7ebf\u7a0b\u6c60\u8c03\u5ea6\u673a\u5236\uff0c\u4f7f\u5176\u80fd\u591f\u5904\u7406\u5927\u91cf\u7684\u5e76\u53d1\u8bf7\u6c42\uff0c\u4fdd\u8bc1\u7cfb\u7edf\u7684\u9ad8\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002\u672c\u6587\u5c06\u6df1\u5165\u5256\u6790Nginx\u8bf7\u6c42\u5904\u7406\u6a21\u5f0f\u548c\u7ebf\u7a0b\u6c60\u8c03\u5ea6\u673a\u5236\u7684\u5e95\u5c42\u5b9e\u73b0\u539f\u7406\uff0c\u5e76\u8fdb\u884c\u4ee3\u7801\u793a\u4f8b\u5c55\u793a\u3002<\/p>\n<p>\u4e00\u3001Nginx\u8bf7\u6c42\u5904\u7406\u6a21\u5f0f<\/p>\n<p>Nginx\u7684\u8bf7\u6c42\u5904\u7406\u6a21\u5f0f\u91c7\u7528\u7684\u662f\u591a\u8defIO\u590d\u7528\u6a21\u578b\uff0c\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u7ec4\u4ef6\uff1amaster\u8fdb\u7a0b\u3001worker\u8fdb\u7a0b\u3001\u4e8b\u4ef6\u6a21\u5757\u548c\u8fde\u63a5\u6c60\u3002<\/p>\n<ol>\n<li>Master\u8fdb\u7a0b\uff1a\u8d1f\u8d23\u7ba1\u7406worker\u8fdb\u7a0b\uff0c\u901a\u8fc7fork()\u51fd\u6570\u521b\u5efa\u591a\u4e2aworker\u8fdb\u7a0b\uff0c\u5e76\u76d1\u542c\u7aef\u53e3\uff0c\u63a5\u6536\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42\u3002<\/li>\n<li>Worker\u8fdb\u7a0b\uff1a\u5b9e\u9645\u5904\u7406\u8bf7\u6c42\u7684\u8fdb\u7a0b\uff0c\u6bcf\u4e2aworker\u8fdb\u7a0b\u90fd\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u8fdb\u7a0b\uff0c\u901a\u8fc7\u590d\u5236master\u8fdb\u7a0b\u7684\u8d44\u6e90\u800c\u521b\u5efa\uff0c\u8d1f\u8d23\u63a5\u6536\u5e76\u5904\u7406\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u3002<\/li>\n<li>\u4e8b\u4ef6\u6a21\u5757\uff1a\u901a\u8fc7\u591a\u8defIO\u590d\u7528\u673a\u5236\uff08\u5982epoll\u3001kqueue\u7b49\uff09\u5b9e\u73b0\u9ad8\u6548\u7684\u4e8b\u4ef6\u9a71\u52a8\u673a\u5236\uff0c\u7528\u4e8e\u76d1\u63a7\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e0a\u53d1\u751f\u7684\u4e8b\u4ef6\u5e76\u901a\u77e5worker\u8fdb\u7a0b\u5904\u7406\u3002<\/li>\n<li>\u8fde\u63a5\u6c60\uff1a\u7ef4\u62a4\u4e00\u4e2a\u9884\u5148\u5206\u914d\u7684\u8fde\u63a5\u6c60\uff0c\u63d0\u9ad8\u8bf7\u6c42\u7684\u5904\u7406\u6548\u7387\u548c\u5185\u5b58\u7684\u7ba1\u7406\u6548\u7387\u3002<\/li>\n<\/ol>\n<p>Nginx\u7684\u8bf7\u6c42\u5904\u7406\u6a21\u5f0f\u5982\u4e0b\uff1a<\/p>\n<pre>int main(int argc, char *const *argv) {\n    \/\/ \u521b\u5efa\u4e00\u4e2amaster\u8fdb\u7a0b\n    master_process_cycle();\n\n    \/\/ \u521b\u5efa\u591a\u4e2aworker\u8fdb\u7a0b\n    for (i = 0; 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          \/\/ \u4e92\u65a5\u9501\uff0c\u7528\u4e8e\u5bf9\u4efb\u52a1\u961f\u5217\u7684\u64cd\u4f5c\u8fdb\u884c\u52a0\u9501\u4fdd\u62a4\n    pthread_cond_t          cond;            \/\/ \u6761\u4ef6\u53d8\u91cf\uff0c\u7528\u4e8e\u5728\u6709\u65b0\u4efb\u52a1\u5230\u8fbe\u65f6\u5524\u9192\u7b49\u5f85\u7684\u7ebf\u7a0b\n    ngx_thread_task_queue_t  task_queue;      \/\/ \u4efb\u52a1\u961f\u5217\n    ngx_thread_task_queue_t  waiting_queue;   \/\/ \u7b49\u5f85\u961f\u5217\n    ngx_thread_pool_conf_t  *conf;            \/\/ \u7ebf\u7a0b\u6c60\u7684\u914d\u7f6e\u4fe1\u606f\n} ngx_thread_pool_t;\n\nint ngx_thread_pool_init(ngx_thread_pool_t *tp) {\n    \/\/ \u521d\u59cb\u5316\u4e92\u65a5\u9501\u548c\u6761\u4ef6\u53d8\u91cf\n    pthread_mutex_init(&amp;amp;tp-&amp;gt;mutex, NULL);\n    pthread_cond_init(&amp;amp;tp-&amp;gt;cond, NULL);\n\n    \/\/ \u521d\u59cb\u5316\u4efb\u52a1\u961f\u5217\u548c\u7b49\u5f85\u961f\u5217\n    ngx_thread_task_queue_init(&amp;amp;tp-&amp;gt;task_queue);\n    ngx_thread_task_queue_init(&amp;amp;tp-&amp;gt;waiting_queue);\n\n    \/\/ \u521b\u5efa\u7ebf\u7a0b\u6c60\u4e2d\u7684\u7ebf\u7a0b\n    for (i = 0; i conf-&amp;gt;threads; i++) {\n        pthread_create(&amp;amp;tid, NULL, ngx_thread_pool_worker, tp);\n    }\n\n    return 0;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801\u793a\u4f8b\u53ef\u4ee5\u770b\u51fa\uff0cNginx\u7684\u7ebf\u7a0b\u6c60\u8c03\u5ea6\u673a\u5236\u901a\u8fc7\u4e92\u65a5\u9501\u548c\u6761\u4ef6\u53d8\u91cf\u6765\u5b9e\u73b0\u5bf9\u4efb\u52a1\u961f\u5217\u7684\u64cd\u4f5c\u8fdb\u884c\u52a0\u9501\u4fdd\u62a4\u548c\u7ebf\u7a0b\u7684\u540c\u6b65\uff0c\u4fdd\u8bc1\u4e86\u591a\u4e2a\u7ebf\u7a0b\u80fd\u591f\u5b89\u5168\u5730\u5904\u7406\u4efb\u52a1\uff0c\u5e76\u63d0\u9ad8\u4e86\u8bf7\u6c42\u7684\u5904\u7406\u6548\u7387\u3002<\/p>\n<p>\u603b\u7ed3\uff1a<\/p>\n<p>\u672c\u6587\u6df1\u5165\u89e3\u8bfb\u4e86Nginx\u7684\u8bf7\u6c42\u5904\u7406\u6a21\u5f0f\u548c\u7ebf\u7a0b\u6c60\u8c03\u5ea6\u673a\u5236\u7684\u5e95\u5c42\u5b9e\u73b0\u539f\u7406\uff0c\u5c55\u793a\u4e86\u76f8\u5173\u4ee3\u7801\u793a\u4f8b\u3002Nginx\u4f5c\u4e3a\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684Web\u670d\u52a1\u5668\u548c\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u5176\u72ec\u7279\u7684\u8bf7\u6c42\u5904\u7406\u6a21\u5f0f\u548c\u4f18\u79c0\u7684\u7ebf\u7a0b\u6c60\u8c03\u5ea6\u673a\u5236\uff0c\u4f7f\u5176\u80fd\u591f\u5904\u7406\u5927\u91cf\u7684\u5e76\u53d1\u8bf7\u6c42\uff0c\u4fdd\u8bc1\u7cfb\u7edf\u7684\u9ad8\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002\u6df1\u5165\u7406\u89e3Nginx\u7684\u8bf7\u6c42\u5904\u7406\u6a21\u5f0f\u548c\u7ebf\u7a0b\u6c60\u8c03\u5ea6\u673a\u5236\u5bf9\u4e8e\u8fdb\u884c\u6027\u80fd\u8c03\u4f18\u548c\u7cfb\u7edf\u8bbe\u8ba1\u5177\u6709\u91cd\u8981\u7684\u6307\u5bfc\u610f\u4e49\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u89e3\u8bfbNginx\u7684\u8bf7\u6c42\u5904\u7406\u6a21\u5f0f\u548c\u7ebf\u7a0b\u6c60\u8c03\u5ea6\u673a\u5236\u7684\u5e95\u5c42\u5b9e\u73b0\u539f\u7406\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>\u89e3\u8bfb\u7684\u8bf7\u6c42\u5904\u7406\u6a21\u5f0f\u548c\u7ebf\u7a0b\u6c60\u8c03\u5ea6\u673a\u5236\u7684\u5e95\u5c42\u5b9e\u73b0\u539f\u7406 Nginx\u4f5c\u4e3a\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684Web\u670d\u52a1\u5668\u548c\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u5176\u72ec\u7279\u7684\u8bf7\u6c42\u5904\u7406\u6a21\u5f0f\u548c\u4f18\u79c0\u7684\u7ebf\u7a0b\u6c60\u8c03\u5ea6\u673a\u5236\uff0c\u4f7f\u5176\u80fd\u591f\u5904\u7406\u5927\u91cf\u7684\u5e76\u53d1\u8bf7\u6c42\uff0c\u4fdd\u8bc1\u7cfb\u7edf\u7684\u9ad8\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002\u672c\u6587\u5c06\u6df1\u5165\u5256\u6790Nginx\u8bf7\u6c42\u5904\u7406\u6a21\u5f0f\u548c\u7ebf\u7a0b\u6c60\u8c03\u5ea6\u673a\u5236\u7684\u5e95\u5c42\u5b9e\u73b0\u539f\u7406\uff0c\u5e76\u8fdb\u884c\u4ee3\u7801\u793a\u4f8b\u5c55\u793a\u3002 \u4e00\u3001Nginx\u8bf7\u6c42\u5904\u7406\u6a21\u5f0f Nginx\u7684\u8bf7\u6c42\u5904\u7406\u6a21\u5f0f\u91c7\u7528\u7684\u662f\u591a\u8defIO\u590d\u7528\u6a21\u578b\uff0c\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u7ec4\u4ef6\uff1amaster\u8fdb\u7a0b\u3001worker\u8fdb\u7a0b\u3001\u4e8b\u4ef6\u6a21\u5757\u548c\u8fde\u63a5\u6c60\u3002 Master\u8fdb\u7a0b\uff1a\u8d1f\u8d23\u7ba1\u7406worker\u8fdb\u7a0b\uff0c\u901a\u8fc7fork()\u51fd\u6570\u521b\u5efa\u591a\u4e2aworker\u8fdb\u7a0b\uff0c\u5e76\u76d1\u542c\u7aef\u53e3\uff0c\u63a5\u6536\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42\u3002 Worker\u8fdb\u7a0b\uff1a\u5b9e\u9645\u5904\u7406\u8bf7\u6c42\u7684\u8fdb\u7a0b\uff0c\u6bcf\u4e2aworker\u8fdb\u7a0b\u90fd\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u8fdb\u7a0b\uff0c\u901a\u8fc7\u590d\u5236master\u8fdb\u7a0b\u7684\u8d44\u6e90\u800c\u521b\u5efa\uff0c\u8d1f\u8d23\u63a5\u6536\u5e76\u5904\u7406\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u3002 \u4e8b\u4ef6\u6a21\u5757\uff1a\u901a\u8fc7\u591a\u8defIO\u590d\u7528\u673a\u5236\uff08\u5982epoll\u3001kqueue\u7b49\uff09\u5b9e\u73b0\u9ad8\u6548\u7684\u4e8b\u4ef6\u9a71\u52a8\u673a\u5236\uff0c\u7528\u4e8e\u76d1\u63a7\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e0a\u53d1\u751f\u7684\u4e8b\u4ef6\u5e76\u901a\u77e5worker\u8fdb\u7a0b\u5904\u7406\u3002 \u8fde\u63a5\u6c60\uff1a\u7ef4\u62a4\u4e00\u4e2a\u9884\u5148\u5206\u914d\u7684\u8fde\u63a5\u6c60\uff0c\u63d0\u9ad8\u8bf7\u6c42\u7684\u5904\u7406\u6548\u7387\u548c\u5185\u5b58\u7684\u7ba1\u7406\u6548\u7387\u3002 Nginx\u7684\u8bf7\u6c42\u5904\u7406\u6a21\u5f0f\u5982\u4e0b\uff1a int main(int argc, char *const *argv) { \/\/ \u521b\u5efa\u4e00\u4e2amaster\u8fdb\u7a0b master_process_cycle(); 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