{"id":157,"date":"2026-03-24T13:49:07","date_gmt":"2026-03-24T05:49:07","guid":{"rendered":"https:\/\/codergodv.xyz\/?p=157"},"modified":"2026-03-24T13:49:07","modified_gmt":"2026-03-24T05:49:07","slug":"linux%e7%ba%bf%e7%a8%8b%e5%ae%89%e5%85%a8","status":"publish","type":"post","link":"https:\/\/codergodv.xyz\/index.php\/2026\/03\/24\/linux%e7%ba%bf%e7%a8%8b%e5%ae%89%e5%85%a8\/","title":{"rendered":"Linux\u7ebf\u7a0b\u5b89\u5168"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Linux\u7ebf\u7a0b\u4e92\u65a5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fdb\u7a0b\u7ebf\u7a0b\u95f4\u7684\u4e92\u65a5\u76f8\u5173\u80cc\u666f\u6982\u5ff5<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e34\u754c\u8d44\u6e90\uff1a<\/strong> \u591a\u7ebf\u7a0b\u6267\u884c\u6d41\u5171\u4eab\u7684\u8d44\u6e90\u53eb\u505a\u4e34\u754c\u8d44\u6e90\u3002<\/li>\n\n\n\n<li><strong>\u4e34\u754c\u533a\uff1a<\/strong> \u6bcf\u4e2a\u7ebf\u7a0b\u5185\u90e8\uff0c\u8bbf\u95ee\u4e34\u754c\u8d44\u6e90\u7684\u4ee3\u7801\uff0c\u5c31\u53eb\u505a\u4e34\u754c\u533a\u3002<\/li>\n\n\n\n<li><strong>\u4e92\u65a5\uff1a<\/strong> \u4efb\u4f55\u65f6\u523b\uff0c\u4e92\u65a5\u4fdd\u8bc1\u6709\u4e14\u53ea\u6709\u4e00\u4e2a\u6267\u884c\u6d41\u8fdb\u5165\u4e34\u754c\u533a\uff0c\u8bbf\u95ee\u4e34\u754c\u8d44\u6e90\uff0c\u901a\u5e38\u5bf9\u4e34\u754c\u8d44\u6e90\u8d77\u4fdd\u62a4\u4f5c\u7528\u3002<\/li>\n\n\n\n<li><strong>\u539f\u5b50\u6027\uff1a<\/strong> \u4e0d\u4f1a\u88ab\u4efb\u4f55\u8c03\u5ea6\u673a\u5236\u6253\u65ad\u7684\u64cd\u4f5c\uff0c\u8be5\u64cd\u4f5c\u53ea\u6709\u4e24\u6001\uff0c\u8981\u4e48\u5b8c\u6210\uff0c\u8981\u4e48\u672a\u5b8c\u6210\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e34\u754c\u8d44\u6e90\u548c\u4e34\u754c\u533a<\/p>\n<\/blockquote>\n\n\n\n<p>\u8fdb\u7a0b\u4e4b\u95f4\u5982\u679c\u8981\u8fdb\u884c\u901a\u4fe1\u6211\u4eec\u9700\u8981\u5148\u521b\u5efa\u7b2c\u4e09\u65b9\u8d44\u6e90\uff0c\u8ba9\u4e0d\u540c\u7684\u8fdb\u7a0b\u770b\u5230\u540c\u4e00\u4efd\u8d44\u6e90\uff0c\u7531\u4e8e\u8fd9\u4efd\u7b2c\u4e09\u65b9\u8d44\u6e90\u53ef\u4ee5\u7531\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u4e0d\u540c\u6a21\u5757\u63d0\u4f9b\uff0c\u4e8e\u662f\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u65b9\u5f0f\u6709\u5f88\u591a\u79cd\u3002\u8fdb\u7a0b\u95f4\u901a\u4fe1\u4e2d\u7684\u7b2c\u4e09\u65b9\u8d44\u6e90\u5c31\u53eb\u505a\u4e34\u754c\u8d44\u6e90\uff0c\u8bbf\u95ee\u7b2c\u4e09\u65b9\u8d44\u6e90\u7684\u4ee3\u7801\u5c31\u53eb\u505a\u4e34\u754c\u533a\u3002<\/p>\n\n\n\n<p>\u800c\u591a\u7ebf\u7a0b\u7684\u5927\u90e8\u5206\u8d44\u6e90\u90fd\u662f\u5171\u4eab\u7684\uff0c\u7ebf\u7a0b\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u4e0d\u9700\u8981\u8d39\u90a3\u4e48\u5927\u7684\u52b2\u53bb\u521b\u5efa\u7b2c\u4e09\u65b9\u8d44\u6e90\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5728\u5168\u5c40\u533a\u5b9a\u4e49\u4e00\u4e2acount\u53d8\u91cf\uff0c\u8ba9\u65b0\u7ebf\u7a0b\u6bcf\u9694\u4e00\u79d2\u5bf9\u8be5\u53d8\u91cf\u52a0\u4e00\u64cd\u4f5c\uff0c\u8ba9\u4e3b\u7ebf\u7a0b\u6bcf\u9694\u4e00\u79d2\u83b7\u53d6count\u53d8\u91cf\u7684\u503c\u8fdb\u884c\u6253\u5370\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n#include &lt;pthread.h&gt;\n#include &lt;unistd.h&gt;\n\nint count = 0;\nvoid* Routine(void* arg)\n{\n    while (1){\n        count++;\n        sleep(1);\n    }\n    pthread_exit((void*)0);\n}\nint main()\n{\n    pthread_t tid;\n    pthread_create(&amp;tid, NULL, Routine, NULL);\n    while (1){\n        printf(\"count: %d\\n\", count);\n        sleep(1);\n    }\n    pthread_join(tid, NULL);\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6b64\u65f6\u6211\u4eec\u76f8\u5f53\u4e8e\u5b9e\u73b0\u4e86\u4e3b\u7ebf\u7a0b\u548c\u65b0\u7ebf\u7a0b\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u5176\u4e2d\u5168\u5c40\u53d8\u91cfcount\u5c31\u53eb\u505a\u4e34\u754c\u8d44\u6e90\uff0c\u56e0\u4e3a\u5b83\u88ab\u591a\u4e2a\u6267\u884c\u6d41\u5171\u4eab\uff0c\u800c\u4e3b\u7ebf\u7a0b\u4e2d\u7684printf\u548c\u65b0\u7ebf\u7a0b\u4e2dcount++\u5c31\u53eb\u505a\u4e34\u754c\u533a\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u4ee3\u7801\u5bf9\u4e34\u754c\u8d44\u6e90\u8fdb\u884c\u4e86\u8bbf\u95ee\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e92\u65a5\u548c\u539f\u5b50\u6027<\/p>\n<\/blockquote>\n\n\n\n<p>\u5728\u591a\u7ebf\u7a0b\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u8fd9\u591a\u4e2a\u6267\u884c\u6d41\u90fd\u81ea\u987e\u81ea\u7684\u5bf9\u4e34\u754c\u8d44\u6e90\u8fdb\u884c\u64cd\u4f5c\uff0c\u90a3\u4e48\u6b64\u65f6\u5c31\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002\u89e3\u51b3\u8be5\u95ee\u9898\u7684\u65b9\u6848\u5c31\u53eb\u505a\u4e92\u65a5\uff0c\u4e92\u65a5\u7684\u4f5c\u7528\u5c31\u662f\uff0c\u4fdd\u8bc1\u5728\u4efb\u4f55\u65f6\u5019\u6709\u4e14\u53ea\u6709\u4e00\u4e2a\u6267\u884c\u6d41\u8fdb\u5165\u4e34\u754c\u533a\u5bf9\u4e34\u754c\u8d44\u6e90\u8fdb\u884c\u8bbf\u95ee\u3002<\/p>\n\n\n\n<p>\u539f\u5b50\u6027\u6307\u7684\u662f\u4e0d\u53ef\u88ab\u5206\u5272\u7684\u64cd\u4f5c\uff0c\u8be5\u64cd\u4f5c\u4e0d\u4f1a\u88ab\u4efb\u4f55\u8c03\u5ea6\u673a\u5236\u6253\u65ad\uff0c\u8be5\u64cd\u4f5c\u53ea\u6709\u4e24\u6001\uff0c\u8981\u4e48\u5b8c\u6210\uff0c\u8981\u4e48\u672a\u5b8c\u6210\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u4e0b\u9762\u6211\u4eec\u6a21\u62df\u5b9e\u73b0\u4e00\u4e2a\u62a2\u7968\u7cfb\u7edf\uff0c\u6211\u4eec\u5c06\u8bb0\u5f55\u7968\u7684\u5269\u4f59\u5f20\u6570\u7684\u53d8\u91cf\u5b9a\u4e49\u4e3a\u5168\u5c40\u53d8\u91cf\uff0c\u4f4f\u7ebf\u7a0b\u521b\u5efa\u56db\u4e2a\u65b0\u7ebf\u7a0b\uff0c\u8ba9\u8fd9\u56db\u4e2a\u65b0\u7ebf\u7a0b\u8fdb\u884c\u62a2\u7968\uff0c\u5f53\u7968\u88ab\u62a2\u5b8c\u540e\u8fd9\u56db\u4e2a\u7ebf\u7a0b\u81ea\u52a8\u9000\u51fa\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;pthread.h&gt;\n\nint tickets = 1000;\nvoid* TicketGrabbing(void* arg)\n{\n    const char* name = (char*)arg;\n    while (1){\n        if (tickets &gt; 0){\n            usleep(10000);\n            printf(\"&#91;%s] get a ticket, left: %d\\n\", name, --tickets);\n        }\n        else{\n            break;\n        }\n    }\n    printf(\"%s quit!\\n\", name);\n    pthread_exit((void*)0);\n}\nint main()\n{\n    pthread_t t1, t2, t3, t4;\n    pthread_create(&amp;t1, NULL, TicketGrabbing, \"thread 1\");\n    pthread_create(&amp;t2, NULL, TicketGrabbing, \"thread 2\");\n    pthread_create(&amp;t3, NULL, TicketGrabbing, \"thread 3\");\n    pthread_create(&amp;t4, NULL, TicketGrabbing, \"thread 4\");\n\n    pthread_join(t1, NULL);\n    pthread_join(t2, NULL);\n    pthread_join(t3, NULL);\n    pthread_join(t4, NULL);\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u7ed3\u679c\u663e\u7136\u4e0d\u7b26\u5408\u6211\u4eec\u7684\u9884\u671f\uff0c\u56e0\u4e3a\u5176\u4e2d\u51fa\u73b0\u4e86\u5269\u4f59\u7968\u6570\u4e3a\u8d1f\u6570\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-16801710949723.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-16801710949723.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u8be5\u4ee3\u7801\u4e2d\u8bb0\u5f55\u5269\u4f59\u7968\u6570\u7684\u53d8\u91cftickets\u5c31\u662f\u4e34\u754c\u8d44\u6e90\uff0c\u56e0\u4e3a\u5b83\u88ab\u591a\u4e2a\u6267\u884c\u6d41\u540c\u65f6\u8bbf\u95ee\uff0c\u800c\u5224\u65adtickets\u662f\u5426\u5927\u4e8e0\u3001\u6253\u5370\u5269\u4f59\u7968\u6570\u4ee5\u53ca<code>--tickets<\/code>\u8fd9\u4e9b\u4ee3\u7801\u5c31\u662f\u4e34\u754c\u533a\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u4ee3\u7801\u5bf9\u4e34\u754c\u8d44\u6e90\u8fdb\u884c\u4e86\u8bbf\u95ee\u3002<\/p>\n\n\n\n<p>\u5269\u4f59\u7968\u6570\u51fa\u73b0\u8d1f\u6570\u7684\u539f\u56e0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>if\u8bed\u53e5\u5224\u65ad\u6761\u4ef6\u4e3a\u771f\u4ee5\u540e\uff0c\u4ee3\u7801\u53ef\u4ee5\u5e76\u53d1\u7684\u5207\u6362\u5230\u5176\u4ed6\u7ebf\u7a0b\u3002<\/li>\n\n\n\n<li>usleep\u7528\u4e8e\u6a21\u62df\u6f2b\u957f\u4e1a\u52a1\u7684\u8fc7\u7a0b\uff0c\u5728\u8fd9\u4e2a\u6f2b\u957f\u7684\u4e1a\u52a1\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u6709\u5f88\u591a\u4e2a\u7ebf\u7a0b\u4f1a\u8fdb\u5165\u8be5\u4ee3\u7801\u6bb5\u3002<\/li>\n\n\n\n<li><code>--ticket<\/code>\u64cd\u4f5c\u672c\u8eab\u5c31\u4e0d\u662f\u4e00\u4e2a\u539f\u5b50\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e3a\u4ec0\u4e48<code>--ticket<\/code>\u4e0d\u662f\u539f\u5b50\u64cd\u4f5c\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u6211\u4eec\u5bf9\u4e00\u4e2a\u53d8\u91cf\u8fdb\u884c<code>--<\/code>\uff0c\u6211\u4eec\u5b9e\u9645\u9700\u8981\u8fdb\u884c\u4ee5\u4e0b\u4e09\u4e2a\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>load\uff1a<\/code>\u5c06\u5171\u4eab\u53d8\u91cftickets\u4ece\u5185\u5b58\u52a0\u8f7d\u5230\u5bc4\u5b58\u5668\u4e2d\u3002<\/li>\n\n\n\n<li><code>update\uff1a<\/code>\u66f4\u65b0\u5bc4\u5b58\u5668\u91cc\u7684\u503c\uff0c\u6267\u884c-1\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li><code>store\uff1a<\/code>\u5c06\u65b0\u503c\u4ece\u5bc4\u5b58\u5668\u5199\u56de\u5171\u4eab\u53d8\u91cftickets\u7684\u5185\u5b58\u5730\u5740\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-16801716951386.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-16801716951386.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p><code>--<\/code>\u64cd\u4f5c\u5bf9\u5e94\u7684\u6c47\u7f16\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/6c282b06c5754ccfa051bb2b7b07fcd5.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/6c282b06c5754ccfa051bb2b7b07fcd5.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u65e2\u7136<code>--<\/code>\u64cd\u4f5c\u9700\u8981\u4e09\u4e2a\u6b65\u9aa4\u624d\u80fd\u5b8c\u6210\uff0c\u90a3\u4e48\u5c31\u6709\u53ef\u80fd\u5f53thread 1\u521a\u628atickets\u7684\u503c\u8bfb\u8fdbCPU\u5c31\u88ab\u5207\u8d70\u4e86\uff0c\u4e5f\u5c31\u662f\u4eceCPU\u5265\u79bb\u4e0b\u6765\uff0c\u5047\u8bbe\u6b64\u65f6thread1\u8bfb\u53d6\u5230\u7684\u503c\u5c31\u662f1000\uff0c\u800c\u5f53thread1\u88ab\u5207\u8d70\u65f6\uff0c\u5bc4\u5b58\u5668\u4e2d\u76841000\u53eb\u505athread1\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u56e0\u6b64\u9700\u8981\u88ab\u4fdd\u5b58\u8d77\u6765\uff0c\u4e4b\u540ethread1\u5c31\u88ab\u6302\u8d77\u4e86\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168017211665411.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168017211665411.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u5047\u8bbe\u6b64\u65f6thread2\u88ab\u8c03\u5ea6\u4e86\uff0c\u7531\u4e8ethread1\u53ea\u8fdb\u884c\u4e86<code>--<\/code>\u64cd\u4f5c\u7684\u7b2c\u4e00\u6b65\uff0c\u56e0\u6b64thread2\u6b64\u65f6\u770b\u5230tickets\u7684\u503c\u8fd8\u662f1000\uff0c\u800c\u7cfb\u7edf\u7ed9thread2\u7684\u65f6\u95f4\u7247\u53ef\u80fd\u8f83\u591a\uff0c\u5bfc\u81f4thread2\u4e00\u6b21\u6027\u6267\u884c\u4e86100\u6b21<code>--<\/code>\u624d\u88ab\u5207\u8d70\uff0c\u6700\u7ec8tickets\u75311000\u51cf\u5230\u4e86900\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168017234801414.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168017234801414.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6b64\u65f6\u7cfb\u7edf\u518d\u628athread 1\u6062\u590d\u4e0a\u6765\uff0c\u6062\u590d\u7684\u672c\u8d28\u5c31\u662f\u7ee7\u7eed\u6267\u884cthread1\u7684\u4ee3\u7801\uff0c\u5e76\u4e14\u8981\u5c06thread1\u66fe\u7ecf\u7684\u786c\u4ef6\u4e0a\u4e0b\u6587\u4fe1\u606f\u6062\u590d\u51fa\u6765\uff0c\u6b64\u65f6\u5bc4\u5b58\u5668\u5f53\u4e2d\u7684\u503c\u662f\u56de\u590d\u51fa\u6765\u76841000\uff0c\u7136\u540ethread1\u7ee7\u7eed\u6267\u884c<code>--<\/code>\u64cd\u4f5c\u7684\u7b2c\u4e8c\u6b65\u548c\u7b2c\u4e09\u6b65\uff0c\u6700\u7ec8\u5c06999\u5199\u56de\u5185\u5b58\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168017255062217.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168017255062217.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u8fc7\u7a0b\u4e2d\uff0cthread1\u62a2\u4e861\u5f20\u7968\uff0cthread2\u62a2\u4e86100\u5f20\u7968\uff0c\u800c\u6b64\u65f6\u5269\u4f59\u7684\u7968\u6570\u5374\u662f999\uff0c\u4e5f\u5c31\u76f8\u5f53\u4e8e\u591a\u51fa\u4e86100\u5f20\u7968\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\u5bf9\u4e00\u4e2a\u53d8\u91cf\u8fdb\u884c<code>--<\/code>\u64cd\u4f5c\u5e76\u4e0d\u662f\u539f\u5b50\u7684\uff0c\u867d\u7136<code>--tickets<\/code>\u770b\u8d77\u6765\u5c31\u662f\u4e00\u884c\u4ee3\u7801\uff0c\u4f46\u8fd9\u884c\u4ee3\u7801\u88ab\u7f16\u8bd1\u5668\u7f16\u8bd1\u540e\u672c\u8d28\u4e0a\u662f\u4e09\u884c\u6c47\u7f16\uff0c\u76f8\u53cd\uff0c\u5bf9\u4e00\u4e2a\u53d8\u91cf\u8fdb\u884c<code>++<\/code>\u4e5f\u9700\u8981\u5bf9\u5e94\u7684\u4e09\u4e2a\u6b65\u9aa4\uff0c\u5373<code>++<\/code>\u64cd\u4f5c\u4e5f\u4e0d\u662f\u539f\u5b50\u64cd\u4f5c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e92\u65a5\u91cfmutex<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5927\u90e8\u5206\u60c5\u51b5\uff0c\u7ebf\u7a0b\u4f7f\u7528\u7684\u6570\u636e\u90fd\u662f\u5c40\u90e8\u53d8\u91cf\uff0c\u53d8\u91cf\u7684\u5730\u5740\u7a7a\u95f4\u5728\u7ebf\u7a0b\u6808\u7a7a\u95f4\u5185\uff0c\u8fd9\u79cd\u60c5\u51b5\u53d8\u91cf\u5f52\u5c5e\u5355\u4e2a\u7ebf\u7a0b\uff0c\u5176\u4ed6\u7ebf\u7a0b\u65e0\u6cd5\u83b7\u5f97\u8fd9\u79cd\u53d8\u91cf\u3002<\/li>\n\n\n\n<li>\u4f46\u6709\u65f6\u5019\uff0c\u5f88\u591a\u53d8\u91cf\u90fd\u9700\u8981\u5728\u7ebf\u7a0b\u95f4\u5171\u4eab\uff0c\u8fd9\u6837\u7684\u53d8\u91cf\u79f0\u4e3a\u5171\u4eab\u53d8\u91cf\uff0c\u53ef\u4ee5\u901a\u8fc7\u6570\u636e\u7684\u5171\u4eab\uff0c\u5b8c\u6210\u7ebf\u7a0b\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002<\/li>\n\n\n\n<li>\u591a\u4e2a\u7ebf\u7a0b\u5e76\u53d1\u7684\u64cd\u4f5c\u5171\u4eab\u53d8\u91cf\uff0c\u5c31\u4f1a\u5e26\u6765\u4e00\u4e9b\u95ee\u9898\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8981\u89e3\u51b3\u4e0a\u8ff0\u62a2\u7968\u7cfb\u7edf\u7684\u95ee\u9898\uff0c\u9700\u8981\u505a\u5230\u4e09\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ee3\u7801\u5fc5\u987b\u6709\u4e92\u65a5\u884c\u4e3a\uff1a\u5f53\u4ee3\u7801\u8fdb\u5165\u4e34\u754c\u533a\u6267\u884c\u65f6\uff0c\u4e0d\u5141\u8bb8\u5176\u4ed6\u7ebf\u7a0b\u8fdb\u5165\u8be5\u4e34\u754c\u533a\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u8981\u6c42\u6267\u884c\u4e34\u754c\u533a\u4ee3\u7801\uff0c\u5e76\u4e14\u6b64\u65f6\u4e34\u754c\u533a\u6ca1\u6709\u7ebf\u7a0b\u5728\u6267\u884c\uff0c\u90a3\u4e48\u53ea\u80fd\u5141\u8bb8\u4e00\u4e2a\u7ebf\u7a0b\u8fdb\u5165\u8be5\u4e34\u754c\u533a\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u7ebf\u7a0b\u4e0d\u5728\u4e34\u754c\u533a\u4e2d\u6267\u884c\uff0c\u90a3\u4e48\u8be5\u7ebf\u7a0b\u4e0d\u80fd\u963b\u6b62\u5176\u4ed6\u7ebf\u7a0b\u8fdb\u5165\u4e34\u754c\u533a\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8981\u505a\u5230\u8fd9\u4e09\u70b9\uff0c\u672c\u8d28\u4e0a\u5c31\u662f\u9700\u8981\u4e00\u628a\u9501\uff0cLinux\u4e0a\u63d0\u4f9b\u7684\u8fd9\u628a\u9501\u53eb\u4e92\u65a5\u91cf\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168017626313220.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168017626313220.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e92\u65a5\u91cf\u7684\u63a5\u53e3<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u521d\u59cb\u5316\u4e92\u65a5\u91cf<\/p>\n<\/blockquote>\n\n\n\n<p>\u521d\u59cb\u5316\u4e92\u65a5\u91cf\u7684\u51fd\u6570\u53eb\u505apthread_mutex_init\uff0c\u8be5\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int pthread_mutex_init(pthread_mutex_t* restrict mutex, const pthread_mutexattr_t* restrict attr);<\/code><\/pre>\n\n\n\n<p>\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>mutex\uff1a\u9700\u8981\u521d\u59cb\u5316\u7684\u4e92\u65a5\u91cf\u3002<\/li>\n\n\n\n<li>attr\uff1a\u521d\u59cb\u5316\u4e92\u65a5\u91cf\u7684\u5c5e\u6027\uff0c\u4e00\u822c\u8bbe\u7f6e\u4e3aNULL\u5373\u53ef\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd4\u56de\u503c\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e92\u65a5\u91cf\u521d\u59cb\u5316\u6210\u529f\u8fd4\u56de0\uff0c\u5931\u8d25\u8fd4\u56de\u9519\u8bef\u7801\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8c03\u7528pthread_mutex_init\u51fd\u6570\u521d\u59cb\u5316\u4e92\u65a5\u91cf\u53eb\u505a\u52a8\u6001\u5206\u914d\uff0c\u9664\u6b64\u4e4b\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u7528\u4e0b\u9762\u8fd9\u79cd\u65b9\u5f0f\u521d\u59cb\u5316\u4e92\u65a5\u91cf\uff0c\u8be5\u65b9\u5f0f\u53eb\u505a\u9759\u6001\u5206\u914d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; <\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u9500\u6bc1\u4e92\u65a5\u91cf<\/p>\n<\/blockquote>\n\n\n\n<p>\u9500\u6bc1\u4e92\u65a5\u91cf\u7684\u51fd\u6570\u53eb\u505apthread_mutex_destroy\uff0c\u8be5\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int pthread_mutex_destroy(pthread_mutex_t* mutex);<\/code><\/pre>\n\n\n\n<p>\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>mutex\uff1a\u9700\u8981\u9500\u6bc1\u7684\u4e92\u65a5\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd4\u56de\u503c\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e92\u65a5\u91cf\u9500\u6bc1\u6210\u529f\u8fd4\u56de0\uff0c\u5931\u8d25\u8fd4\u56de\u9519\u8bef\u7801\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9500\u6bc1\u4e92\u65a5\u91cf\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528<code>PTHREAD_MUTEX_INITIALIZER<\/code>\u521d\u59cb\u5316\u7684\u4e92\u65a5\u91cf\u4e0d\u9700\u8981\u9500\u6bc1\u3002<\/li>\n\n\n\n<li>\u4e0d\u8981\u9500\u6bc1\u4e00\u4e2a\u5df2\u7ecf\u52a0\u9501\u7684\u4e92\u65a5\u91cf\u3002<\/li>\n\n\n\n<li>\u5df2\u7ecf\u9500\u6bc1\u7684\u4e92\u65a5\u91cf\uff0c\u8981\u786e\u4fdd\u540e\u9762\u4e0d\u4f1a\u6709\u7ebf\u7a0b\u518d\u5c1d\u8bd5\u52a0\u9501\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e92\u65a5\u91cf\u52a0\u9501<\/p>\n<\/blockquote>\n\n\n\n<p>\u4e92\u65a5\u91cf\u52a0\u9501\u7684\u51fd\u6570\u53eb\u505apthread_mutex_lock\uff0c\u8be5\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int pthread_mutex_lock(pthread_mutex_t* mutex);<\/code><\/pre>\n\n\n\n<p>\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>mutex\uff1a\u9700\u8981\u52a0\u9501\u7684\u4e92\u65a5\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd4\u56de\u503c\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e92\u65a5\u91cf\u52a0\u9501\u6210\u529f\u8fd4\u56de0\uff0c\u5931\u8d25\u8fd4\u56de\u9519\u8bef\u7801\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8c03\u7528<code>pthread_mutex_lock<\/code>\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u4ee5\u4e0b\u60c5\u51b5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e92\u65a5\u91cf\u5904\u4e8e\u672a\u9501\u72b6\u6001\uff0c\u8be5\u51fd\u6570\u4f1a\u5c06\u4e92\u65a5\u91cf\u9501\u5b9a\uff0c\u540c\u65f6\u8fd4\u56de\u6210\u529f\u3002<\/li>\n\n\n\n<li>\u53d1\u8d77\u51fd\u6570\u8c03\u7528\u65f6\uff0c\u5176\u4ed6\u7ebf\u7a0b\u5df2\u7ecf\u9501\u5b9a\u4e92\u65a5\u91cf\uff0c\u6216\u8005\u5b58\u5728\u5176\u4ed6\u7ebf\u7a0b\u540c\u65f6\u7533\u8bf7\u4e92\u65a5\u91cf\uff0c\u4f46\u6ca1\u6709\u7ade\u4e89\u5230\u4e92\u65a5\u91cf\uff0c\u90a3\u4e48<code>pthread_mutex_lock<\/code>\u8c03\u7528\u4f1a\u9677\u5165\u963b\u585e\uff08\u6267\u884c\u6d41\u88ab\u6302\u8d77\uff09\uff0c\u7b49\u5f85\u4e92\u65a5\u91cf\u89e3\u9501\u3002<\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e92\u65a5\u91cf\u89e3\u9501<\/p>\n<\/blockquote>\n\n\n\n<p>\u4e92\u65a5\u91cf\u89e3\u9501\u7684\u51fd\u6570\u53eb\u505apthread_mutex_unlock\uff0c\u8be5\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int pthread_mutex_unlock(pthread_mutex_t* mutex);<\/code><\/pre>\n\n\n\n<p>\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9700\u8981\u89e3\u9501\u7684\u4e92\u65a5\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd4\u56de\u503c\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e92\u65a5\u91cf\u89e3\u9501\u6210\u529f\u8fd4\u56de0\uff0c\u5931\u8d25\u8fd4\u56de\u9519\u8bef\u7801\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4f7f\u7528\u793a\u4f8b\uff1a<\/p>\n<\/blockquote>\n\n\n\n<p>\u4f8b\u5982\uff0c\u6211\u4eec\u5728\u4e0a\u8ff0\u7684\u62a2\u7968\u7cfb\u7edf\u4e2d\u5f15\u5165\u4e92\u65a5\u91cf\uff0c\u6bcf\u4e00\u4e2a\u7ebf\u7a0b\u8981\u8fdb\u5165\u4e34\u754c\u533a\u4e4b\u524d\u90fd\u5fc5\u987b\u5148\u7533\u8bf7\u9501\uff0c\u53ea\u6709\u7533\u8bf7\u5230\u9501\u7684\u7ebf\u7a0b\u624d\u53ef\u4ee5\u8fdb\u5165\u4e34\u754c\u533a\u5bf9\u4e34\u754c\u8d44\u6e90\u8fdb\u884c\u8bbf\u95ee\uff0c\u5e76\u4e14\u5f53\u7ebf\u7a0b\u51fa\u4e34\u754c\u533a\u7684\u65f6\u5019\u9700\u8981\u91ca\u653e\u9501\uff0c\u8fd9\u6837\u624d\u80fd\u8ba9\u5176\u4f59\u8981\u8fdb\u5165\u4e34\u754c\u533a\u7684\u7ebf\u7a0b\u7ee7\u7eed\u7ade\u4e89\u9501\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;pthread.h&gt;\n\nint tickets = 1000;\npthread_mutex_t mutex;\nvoid* TicketGrabbing(void* arg)\n{\n    const char* name = (char*)arg;\n    while (1){\n        pthread_mutex_lock(&amp;mutex);\n        if (tickets &gt; 0){\n            usleep(100);\n            printf(\"&#91;%s] get a ticket, left: %d\\n\", name, --tickets);\n            pthread_mutex_unlock(&amp;mutex);\n        }\n        else{\n            pthread_mutex_unlock(&amp;mutex);\n            break;\n        }\n    }\n    printf(\"%s quit!\\n\", name);\n    pthread_exit((void*)0);\n}\nint main()\n{\n    pthread_mutex_init(&amp;mutex, NULL);\n    pthread_t t1, t2, t3, t4;\n    pthread_create(&amp;t1, NULL, TicketGrabbing, \"thread 1\");\n    pthread_create(&amp;t2, NULL, TicketGrabbing, \"thread 2\");\n    pthread_create(&amp;t3, NULL, TicketGrabbing, \"thread 3\");\n    pthread_create(&amp;t4, NULL, TicketGrabbing, \"thread 4\");\n\n    pthread_join(t1, NULL);\n    pthread_join(t2, NULL);\n    pthread_join(t3, NULL);\n    pthread_join(t4, NULL);\n    pthread_mutex_destroy(&amp;mutex);\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u4ee3\u7801\uff0c\u6b64\u65f6\u5728\u62a2\u7968\u8fc7\u7a0b\u4e2d\u5c31\u4e0d\u4f1a\u51fa\u73b0\u7968\u6570\u5269\u4f59\u4e3a\u8d1f\u6570\u7684\u60c5\u51b5\u4e86\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168018024682723.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168018024682723.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u5927\u90e8\u5206\u60c5\u51b5\u4e0b\uff0c\u52a0\u9501\u672c\u8eab\u90fd\u662f\u6709\u635f\u4e8e\u6027\u80fd\u7684\u4e8b\uff0c\u5b83\u8ba9\u591a\u6267\u884c\u6d41\u7531\u5e76\u884c\u6267\u884c\u53d8\u4e3a\u4e86\u4e32\u884c\u6267\u884c\uff0c\u8fd9\u51e0\u4e4e\u662f\u4e0d\u53ef\u907f\u514d\u7684\u3002<\/li>\n\n\n\n<li>\u6211\u4eec\u5e94\u8be5\u518d\u5408\u9002\u7684\u4f4d\u7f6e\u8fdb\u884c\u52a0\u9501\u548c\u89e3\u9501\uff0c\u8fd9\u6837\u80fd\u5c3d\u53ef\u80fd\u51cf\u5c11\u52a0\u9501\u5e26\u6765\u7684\u6027\u80fd\u5f00\u9500\u6210\u672c\u3002<\/li>\n\n\n\n<li>\u8fdb\u884c\u4e34\u754c\u8d44\u6e90\u7684\u4fdd\u62a4\uff0c\u662f\u6240\u6709\u6267\u884c\u6d41\u90fd\u5e94\u8be5\u9075\u5b88\u7684\u6807\u51c6\uff0c\u8fd9\u662f\u7a0b\u5e8f\u5458\u5728\u7f16\u7801\u65f6\u9700\u8981\u6ce8\u610f\u7684\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e92\u65a5\u91cf\u5b9e\u73b0\u539f\u7406\u63a2\u7a76<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u52a0\u9501\u540e\u7684\u539f\u5b50\u6027\u4f53\u73b0\u5728\u54ea\u91cc\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u52a0\u5165\u4e92\u65a5\u91cf\u540e\uff0c\u5f53\u4e00\u4e2a\u7ebf\u7a0b\u7533\u8bf7\u5230\u9501\u8fdb\u5165\u4e34\u754c\u533a\u65f6\uff0c\u5728\u5176\u4ed6\u7ebf\u7a0b\u770b\u6765\u8be5\u7ebf\u7a0b\u53ea\u6709\u4e24\u79cd\u72b6\u6001\uff0c\u8981\u4e48\u6ca1\u6709\u7533\u8bf7\u9501\uff0c\u8981\u4e48\u9501\u5df2\u7ecf\u91ca\u653e\u4e86\uff0c\u56e0\u4e3a\u53ea\u6709\u8fd9\u4e24\u79cd\u72b6\u6001\u5bf9\u5176\u4ed6\u7ebf\u7a0b\u624d\u662f\u6709\u610f\u4e49\u7684\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u56fe\u4e2d\u7ebf\u7a0b1\u8fdb\u5165\u4e34\u754c\u533a\u540e\uff0c\u5728\u7ebf\u7a0b2\u30013\u30014\u770b\u6765\uff0c\u7ebf\u7a0b1\u8981\u4e48\u6ca1\u6709\u7533\u8bf7\u9501\uff0c\u8981\u4e48\u7ebf\u7a0b1\u5df2\u7ecf\u5c06\u9501\u91ca\u653e\u4e86\uff0c\u56e0\u4e3a\u53ea\u6709\u8fd9\u4e24\u79cd\u72b6\u6001\u5bf9\u7ebf\u7a0b2\u30013\u30014\u624d\u662f\u6709\u610f\u4e49\u7684\uff0c\u5f53\u7ebf\u7a0b2\u30013\u30014\u68c0\u6d4b\u5230\u5176\u4ed6\u72b6\u6001\u65f6\u4e5f\u5c31\u88ab\u963b\u585e\u4e86\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168018274920426.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168018274920426.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6b64\u65f6\u5bf9\u4e8e\u7ebf\u7a0b2\u30013\u30014\u800c\u8a00\uff0c\u5b83\u4eec\u5c31\u8ba4\u4e3a\u7ebf\u7a0b1\u7684\u6574\u4e2a\u64cd\u4f5c\u8fc7\u7a0b\u662f\u539f\u5b50\u7684\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e34\u754c\u533a\u5185\u7684\u7ebf\u7a0b\u53ef\u80fd\u8fdb\u884c\u7ebf\u7a0b\u5207\u6362\u5417\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u4e34\u754c\u533a\u5185\u7684\u7ebf\u7a0b\u5b8c\u5168\u53ef\u80fd\u8fdb\u884c\u7ebf\u7a0b\u5207\u6362\uff0c\u4f46\u5373\u4fbf\u8be5\u7ebf\u7a0b\u88ab\u5207\u8d70\u4e86\uff0c\u5176\u4ed6\u7ebf\u7a0b\u4e5f\u65e0\u6cd5\u8fdb\u5165\u4e34\u754c\u533a\u8fdb\u884c\u8d44\u6e90\u8bbf\u95ee\uff0c\u56e0\u4e3a\u6b64\u65f6\u8be5\u7ebf\u7a0b\u662f\u62ff\u7740\u9501\u88ab\u5207\u8d70\u7684\uff0c\u6240\u6ca1\u6709\u88ab\u91ca\u653e\u4e5f\u5c31\u610f\u5473\u7740\u5176\u4ed6\u7ebf\u7a0b\u65e0\u6cd5\u7533\u8bf7\u5230\u9501\uff0c\u4e5f\u5c31\u65e0\u6cd5\u4e34\u754c\u533a\u8fdb\u884c\u8d44\u6e90\u8bbf\u95ee\u4e86\u3002<\/p>\n\n\n\n<p>\u5176\u4ed6\u60f3\u8fdb\u5165\u8be5\u4e34\u754c\u533a\u8fdb\u884c\u8d44\u6e90\u8bbf\u95ee\u7684\u7ebf\u7a0b\uff0c\u5fc5\u987b\u7b49\u8be5\u7ebf\u7a0b\u6267\u884c\u5b8c\u4e34\u754c\u533a\u7684\u4ee3\u7801\u5e76\u91ca\u653e\u9501\u4e4b\u540e\uff0c\u624d\u80fd\u7533\u8bf7\u9501\uff0c\u7533\u8bf7\u5230\u9501\u4e4b\u540e\u624d\u80fd\u8fdb\u5165\u4e34\u754c\u533a\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u9501\u662f\u5426\u9700\u8981\u88ab\u4fdd\u62a4\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u6211\u4eec\u8bf4\u88ab\u591a\u4e2a\u6267\u884c\u6d41\u5171\u4eab\u7684\u8d44\u6e90\u53eb\u505a\u4e34\u754c\u8d44\u6e90\uff0c\u8bbf\u95ee\u4e34\u754c\u8d44\u6e90\u7684\u4ee3\u7801\u53eb\u505a\u4e34\u754c\u533a\u3002\u6240\u6709\u7684\u7ebf\u7a0b\u5728\u8fdb\u5165\u4e34\u754c\u533a\u4e4b\u524d\u90fd\u5fc5\u987b\u7ade\u4e89\u5f0f\u7684\u7533\u8bf7\u9501\uff0c\u56e0\u6b64\u9501\u4e5f\u662f\u88ab\u591a\u4e2a\u6267\u884c\u6d41\u5171\u4eab\u7684\u8d44\u6e90\uff0c\u4e5f\u5c31\u662f\u8bf4\u9501\u672c\u8eab\u5c31\u662f\u4e34\u754c\u8d44\u6e90\u3002<\/p>\n\n\n\n<p>\u65e2\u7136\u9501\u662f\u4e34\u754c\u8d44\u6e90\uff0c\u90a3\u4e48\u9501\u5c31\u5fc5\u987b\u88ab\u4fdd\u62a4\u8d77\u6765\uff0c\u4f46\u9501\u672c\u8eab\u5c31\u662f\u7528\u6765\u4fdd\u62a4\u4e34\u754c\u8d44\u6e90\u7684\uff0c\u90a3\u9501\u53c8\u7531\u8c01\u6765\u4fdd\u62a4\u7684\u5462\uff1f<\/p>\n\n\n\n<p>\u9501\u5b9e\u9645\u4e0a\u662f\u81ea\u5df1\u4fdd\u62a4\u81ea\u5df1\u7684\uff0c\u6211\u4eec\u53ea\u9700\u8981\u4fdd\u8bc1\u7533\u8bf7\u9501\u7684\u8fc7\u7a0b\u662f\u539f\u5b50\u7684\uff0c\u90a3\u4e48\u9501\u5c31\u662f\u5b89\u5168\u7684\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5982\u4f55\u4fdd\u8bc1\u7533\u8bf7\u9501\u7684\u8fc7\u7a0b\u662f\u539f\u5b50\u7684\uff1f<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0a\u9762\u6211\u4eec\u5df2\u7ecf\u8bf4\u660e\u4e86<code>--<\/code>\u548c<code>++<\/code>\u64cd\u4f5c\u4e0d\u662f\u539f\u5b50\u64cd\u4f5c\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u4e3a\u4e86\u5b9e\u73b0\u4e92\u65a5\u9501\u64cd\u4f5c\uff0c\u5927\u591a\u6570\u4f53\u7cfb\u7ed3\u6784\u90fd\u63d0\u4f9b\u4e86swap\u6216exchange\u6307\u4ee4\uff0c\u8be5\u6307\u4ee4\u7684\u4f5c\u7528\u5c31\u662f\u628a\u5bc4\u5b58\u5668\u548c\u5185\u5b58\u5355\u5143\u7684\u6570\u636e\u76f8\u4ea4\u6362\u3002<\/li>\n\n\n\n<li>\u7531\u4e8e\u53ea\u6709\u4e00\u6761\u6307\u4ee4\uff0c\u4fdd\u8bc1\u4e86\u539f\u5b50\u6027\uff0c\u5373\u4f7f\u662f\u591a\u5904\u7406\u5668\u5e73\u53f0\uff0c\u8bbf\u95ee\u5185\u5b58\u7684\u603b\u7ebf\u5468\u671f\u4e5f\u6709\u5148\u540e\uff0c\u4e00\u4e2a\u5904\u7406\u5668\u4e0a\u7684\u4ea4\u6362\u6307\u4ee4\u6267\u884c\u65f6\uff0c\u53e6\u4e00\u4e2a\u5904\u7406\u5668\u7684\u4ea4\u6362\u6307\u4ee4\u53ea\u80fd\u7b49\u5f85\u603b\u7ebf\u5468\u671f\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u64cd\u4f5c\u7cfb\u7edf\u7684\u5de5\u4f5c\u539f\u7406\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u64cd\u4f5c\u7cfb\u7edf\u4e00\u65e6\u542f\u52a8\u6210\u529f\u540e\u5c31\u662f\u4e00\u4e2a\u6b7b\u5faa\u73af\u3002<\/li>\n\n\n\n<li>\u65f6\u949f\u662f\u8ba1\u7b97\u673a\u4e2d\u7684\u4e00\u4e2a\u786c\u4ef6\uff0c\u65f6\u949f\u6bcf\u9694\u4e00\u6bb5\u65f6\u95f4\u4f1a\u5411\u64cd\u4f5c\u7cfb\u7edf\u53d1\u8d77\u4e00\u4e2a\u65f6\u949f\u4e2d\u65ad\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5c31\u4f1a\u6839\u636e\u65f6\u949f\u4e2d\u65ad\u53bb\u6267\u884c\u4e2d\u65ad\u5411\u91cf\u8868\u3002<\/li>\n\n\n\n<li>\u4e2d\u65ad\u5411\u91cf\u8868\u672c\u8d28\u4e0a\u5c31\u662f\u4e00\u4e2a\u51fd\u6570\u8868\uff0c\u6bd4\u5982\u5237\u78c1\u76d8\u7684\u51fd\u6570\u3001\u68c0\u6d4b\u7f51\u5361\u7684\u51fd\u6570\u4ee5\u53ca\u5237\u65b0\u6570\u636e\u7684\u51fd\u6570\u7b49\u7b49\u3002<\/li>\n\n\n\n<li>\u8ba1\u7b97\u673a\u4e0d\u65ad\u5411\u64cd\u4f5c\u7cfb\u7edf\u53d1\u8d77\u65f6\u949f\u4e2d\u65ad\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5c31\u6839\u636e\u65f6\u949f\u4e2d\u65ad\uff0c\u4e0d\u65ad\u5730\u53bb\u6267\u884c\u5bf9\u5e94\u7684\u4ee3\u7801\u3002<\/li>\n\n\n\n<li>CPU\u6709\u591a\u4e2a\uff0c\u4f46\u603b\u7ebf\u53ea\u6709\u4e00\u5957\u3002CPU\u548c\u5185\u5b58\u90fd\u662f\u8ba1\u7b97\u673a\u4e2d\u7684\u786c\u4ef6\uff0c\u8fd9\u4e24\u4e2a\u786c\u4ef6\u4e4b\u95f4\u8981\u8fdb\u884c\u6570\u636e\u4ea4\u4e92\u4e00\u5b9a\u662f\u7528\u7ebf\u8fde\u63a5\u8d77\u6765\u7684\uff0c\u5176\u4e2d\u6211\u4eec\u628aCPU\u548c\u5185\u5b58\u8fde\u63a5\u8d77\u6765\u7684\u7ebf\u53eb\u505a\u7cfb\u7edf\u603b\u7ebf\uff0c\u628a\u5185\u5b58\u548c\u5916\u8bbe\u8fde\u63a5\u8d77\u6765\u7684\u7ebf\u53eb\u505aIO\u603b\u7ebf\u3002<\/li>\n\n\n\n<li>\u7cfb\u7edf\u603b\u7ebf\u53ea\u6709\u4e00\u5957\uff0c\u6709\u7684\u65f6\u5019CPU\u8bbf\u95ee\u5185\u5b58\u662f\u60f3\u4ece\u5185\u5b58\u4e2d\u8bfb\u53d6\u6307\u4ee4\uff0c\u6709\u7684\u65f6\u5019\u662f\u60f3\u4ece\u5185\u5b58\u8bfb\u53d6\u6570\u636e\uff0c\u6240\u4ee5\u603b\u7ebf\u662f\u88ab\u4e0d\u540c\u7684\u64cd\u4f5c\u79cd\u7c7b\u5171\u4eab\u7684\u3002\u8ba1\u7b97\u673a\u662f\u901a\u8fc7\u603b\u7ebf\u5468\u671f\u6765\u533a\u5206\u6b64\u65f6\u603b\u7ebf\u5f53\u4e2d\u4f20\u8f93\u7684\u662f\u54ea\u79cd\u8d44\u6e90\u7684\u3002<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<p>\u4e0b\u9762\u6211\u4eec\u6765\u770b\u770block\u548cunlock\u7684\u4f2a\u4ee3\u7801\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168018989263440.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168018989263440.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u8ba4\u4e3amutex\u7684\u521d\u59cb\u503c\u4e3a1\uff0cal\u662f\u8ba1\u7b97\u673a\u4e2d\u7684\u4e00\u4e2a\u5bc4\u5b58\u5668\uff0c\u5f53\u7ebf\u7a0b\u7533\u8bf7\u9501\u65f6\uff0c\u9700\u8981\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5148\u5c06al\u5bc4\u5b58\u5668\u4e2d\u7684\u503c\u6e050\u3002\u8be5\u52a8\u4f5c\u53ef\u4ee5\u88ab\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u6267\u884c\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u6709\u81ea\u5df1\u7684\u4e00\u7ec4\u5bc4\u5b58\u5668\uff08\u4e0a\u4e0b\u6587\u4fe1\u606f\uff09\uff0c\u6267\u884c\u8be5\u52a8\u4f5c\u672c\u8d28\u4e0a\u662f\u5c06\u81ea\u5df1\u7684al\u5bc4\u5b58\u5668\u6e050\u3002<\/li>\n\n\n\n<li>\u7136\u540e\u4ea4\u6362al\u5bc4\u5b58\u5668\u548cmutex\u4e2d\u7684\u503c\u3002xchgb\u662f\u4f53\u7cfb\u7ed3\u6784\u63d0\u4f9b\u7684\u4ea4\u6362\u6307\u4ee4\uff0c\u8be5\u6307\u4ee4\u53ef\u4ee5\u5b8c\u6210\u5bc4\u5b58\u5668\u548c\u5185\u5b58\u5355\u5143\u4e4b\u95f4\u6570\u636e\u7684\u4ea4\u6362\u3002<\/li>\n\n\n\n<li>\u6700\u540e\u5224\u65adal\u5bc4\u5b58\u5668\u4e2d\u7684\u503c\u662f\u5426\u5927\u4e8e0\u3002\u82e5\u5927\u4e8e0\u5219\u7533\u8bf7\u9501\u6210\u529f\uff0c\u6b64\u65f6\u5c31\u53ef\u4ee5\u8fdb\u5165\u4e34\u754c\u533a\u8bbf\u95ee\u5bf9\u5e94\u7684\u4e34\u754c\u8d44\u6e90\uff1b\u5426\u5219\u7533\u8bf7\u9501\u5931\u8d25\u9700\u8981\u88ab\u6302\u8d77\u7b49\u5f85\uff0c\u76f4\u5230\u9501\u88ab\u91ca\u653e\u540e\u518d\u6b21\u7ade\u4e89\u7533\u8bf7\u9501\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u4f8b\u5982\uff0c\u6b64\u65f6\u5185\u5b58\u4e2dmutex\u7684\u503c\u4e3a1\u7ebf\u7a0b\u7533\u8bf7\u9501\u65f6\u5148\u5c06al\u5bc4\u5b58\u5668\u4e2d\u7684\u503c\u6e050\uff0c\u7136\u540e\u5c06al\u5bc4\u5b58\u5668\u4e2d\u7684\u503c\u4e0e\u5185\u5b58\u4e2dmutex\u7684\u503c\u8fdb\u884c\u4ea4\u6362\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168019075286043.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168019075286043.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u4ea4\u6362\u5b8c\u6210\u540e\u68c0\u6d4b\u8be5\u7ebf\u7a0b\u7684al\u5bc4\u5b58\u5668\u4e2d\u7684\u503c\u4e3a1\uff0c\u5219\u8be5\u7ebf\u7a0b\u7533\u8bf7\u9501\u6210\u529f\uff0c\u53ef\u4ee5\u8fdb\u5165\u4e34\u754c\u533a\u5bf9\u4e34\u754c\u8d44\u6e90\u8fdb\u884c\u8bbf\u95ee\u3002<\/p>\n\n\n\n<p>\u800c\u6b64\u540e\u7684\u7ebf\u7a0b\u82e5\u662f\u518d\u7533\u8bf7\u9501\uff0c\u4e0e\u5185\u5b58\u4e2d\u7684mutex\u4ea4\u6362\u5f97\u5230\u7684\u503c\u5c31\u662f0\u4e86\uff0c\u6b64\u65f6\u8be5\u7ebf\u7a0b\u7533\u8bf7\u9501\u5931\u8d25\uff0c\u9700\u8981\u88ab\u6302\u8d77\u7b49\u5f85\uff0c\u76f4\u5230\u9501\u88ab\u91ca\u653e\u540e\u518d\u6b21\u7ade\u4e89\u7533\u8bf7\u9501\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168019111067746.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168019111067746.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u5f53\u7ebf\u7a0b\u91ca\u653e\u9501\u65f6\uff0c\u9700\u8981\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5c06\u5185\u5b58\u4e2d\u7684mutex\u7f6e\u56de1\u3002\u4f7f\u5f97\u4e0b\u4e00\u4e2a\u7533\u8bf7\u9501\u7684\u7ebf\u7a0b\u5728\u6267\u884c\u4ea4\u6362\u6307\u4ee4\u540e\u80fd\u591f\u5f97\u52301\uff0c\u5f62\u8c61\u5730\u8bf4\u5c31\u662f\u201d\u5c06\u9501\u7684\u94a5\u5319\u653e\u56de\u53bb\u201c\u3002<\/li>\n\n\n\n<li>\u5524\u9192\u7b49\u5f85mutex\u7684\u7ebf\u7a0b\u3002\u5524\u9192\u8fd9\u4e9b\u56e0\u4e3a\u7533\u8bf7\u9501\u5931\u8d25\u800c\u88ab\u6302\u8d77\u7684\u7ebf\u7a0b\uff0c\u8ba9\u5b83\u4eec\u7ee7\u7eed\u7ade\u4e89\u7533\u8bf7\u9501\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u7533\u8bf7\u9501\u65f6\u672c\u8d28\u4e0a\u5c31\u662f\u54ea\u4e00\u4e2a\u7ebf\u7a0b\u5148\u6267\u884c\u4e86\u4ea4\u6362\u6307\u4ee4\uff0c\u90a3\u4e48\u8be5\u7ebf\u7a0b\u5c31\u7533\u8bf7\u9501\u6210\u529f\uff0c\u56e0\u4e3a\u6b64\u65f6\u8be5\u7ebf\u7a0b\u7684al\u5bc4\u5b58\u5668\u4e2d\u7684\u503c\u5c31\u662f1\u4e86\u3002\u800c\u4ea4\u6362\u6307\u4ee4\u5c31\u53ea\u662f\u4e00\u6761\u6c47\u7f16\u6307\u4ee4\uff0c\u4e00\u4e2a\u7ebf\u7a0b\u8981\u4e48\u6267\u884c\u4e86\u4ea4\u6362\u6307\u4ee4\uff0c\u8981\u4e48\u6ca1\u6709\u6267\u884c\u4ea4\u6362\u6307\u4ee4\uff0c\u6240\u4ee5\u7533\u8bf7\u9501\u7684\u8fc7\u7a0b\u65f6\u539f\u5b50\u7684\u3002<\/li>\n\n\n\n<li>\u5728\u7ebf\u7a0b\u91ca\u653e\u9501\u65f6\u6ca1\u6709\u5c06\u5f53\u524d\u7ebf\u7a0bal\u5bc4\u5b58\u5668\u4e2d\u7684\u503c\u6e050\uff0c\u8fd9\u4e5f\u4e0d\u4f1a\u9020\u6210\u5f71\u54cd\uff0c\u56e0\u4e3a\u6bcf\u6b21\u7ebf\u7a0b\u5728\u7533\u8bf7\u9501\u65f6\u90fd\u4f1a\u5148\u5c06\u81ea\u5df1al\u5bc4\u5b58\u5668\u4e2d\u7684\u503c\u6e050\uff0c\u5728\u6267\u884c\u4ea4\u6362\u6307\u4ee4\u3002<\/li>\n\n\n\n<li>CPU\u5185\u7684\u5bc4\u5b58\u5668\u4e0d\u662f\u88ab\u6240\u6709\u7684\u7ebf\u7a0b\u5171\u4eab\u7684\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u6709\u81ea\u5df1\u7684\u4e00\u7ec4\u5bc4\u5b58\u5668\uff0c\u4f46\u5185\u5b58\u4e2d\u7684\u6570\u636e\u662f\u5404\u4e2a\u7ebf\u7a0b\u5171\u4eab\u7684\u3002\u7533\u8bf7\u9501\u5b9e\u9645\u5c31\u662f\uff0c\u628a\u5185\u5b58\u4e2d\u7684mutex\u901a\u8fc7\u4ea4\u6362\u6307\u4ee4\uff0c\u539f\u5b50\u6027\u7684\u4ea4\u6362\u5230\u81ea\u5df1\u7684al\u5bc4\u5b58\u5668\u4e2d\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u53ef\u91cd\u5165VS\u7ebf\u7a0b\u5b89\u5168<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6982\u5ff5<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7ebf\u7a0b\u5b89\u5168\uff1a<\/strong> \u591a\u4e2a\u7ebf\u7a0b\u5e76\u53d1\u540c\u4e00\u6bb5\u4ee3\u7801\u65f6\uff0c\u4e0d\u4f1a\u51fa\u73b0\u4e0d\u540c\u7684\u7ed3\u679c\u3002\u5e38\u89c1\u5bf9\u5168\u5c40\u53d8\u91cf\u6216\u8005\u9759\u6001\u53d8\u91cf\u8fdb\u884c\u64cd\u4f5c\uff0c\u5e76\u4e14\u6ca1\u6709\u9501\u4fdd\u62a4\u7684\u60c5\u51b5\u4e0b\uff0c\u4f1a\u51fa\u73b0\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u3002<\/li>\n\n\n\n<li><strong>\u91cd\u5165\uff1a<\/strong> 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class=\"wp-block-heading\">\u5e38\u89c1\u7684\u7ebf\u7a0b\u4e0d\u5b89\u5168\u7684\u60c5\u51b5<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u4fdd\u62a4\u5171\u4eab\u53d8\u91cf\u7684\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u51fd\u6570\u72b6\u6001\u968f\u7740\u88ab\u8c03\u7528\uff0c\u72b6\u6001\u53d1\u751f\u53d8\u5316\u7684\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u8fd4\u56de\u6307\u5411\u9759\u6001\u53d8\u91cf\u6307\u9488\u7684\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u8c03\u7528\u7ebf\u7a0b\u4e0d\u5b89\u5168\u51fd\u6570\u7684\u51fd\u6570\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e38\u89c1\u7684\u7ebf\u7a0b\u5b89\u5168\u7684\u60c5\u51b5<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6bcf\u4e2a\u7ebf\u7a0b\u5bf9\u5168\u5c40\u53d8\u91cf\u6216\u8005\u9759\u6001\u53d8\u91cf\u53ea\u6709\u8bfb\u53d6\u7684\u6743\u9650\uff0c\u800c\u6ca1\u6709\u5199\u5165\u7684\u6743\u9650\uff0c\u4e00\u822c\u6765\u8bf4\u8fd9\u4e9b\u7ebf\u7a0b\u662f\u5b89\u5168\u7684\u3002<\/li>\n\n\n\n<li>\u7c7b\u6216\u8005\u63a5\u53e3\u5bf9\u4e8e\u7ebf\u7a0b\u6765\u8bf4\u90fd\u662f\u539f\u5b50\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li>\u591a\u4e2a\u7ebf\u7a0b\u4e4b\u95f4\u7684\u5207\u6362\u4e0d\u4f1a\u5bfc\u81f4\u8be5\u63a5\u53e3\u7684\u6267\u884c\u7ed3\u679c\u5b58\u5728\u4e8c\u4e49\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e38\u89c1\u7684\u4e0d\u53ef\u91cd\u5165\u7684\u60c5\u51b5<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8c03\u7528\u4e86malloc\/free\u51fd\u6570\uff0c\u56e0\u4e3amalloc\u51fd\u6570\u662f\u7528\u5168\u5c40\u94fe\u8868\u6765\u7ba1\u7406\u5806\u7684\u3002<\/li>\n\n\n\n<li>\u8c03\u7528\u4e86\u6807\u51c6I\/O\u5e93\u51fd\u6570\uff0c\u6807\u51c6I\/O\u53ef\u4ee5\u7684\u5f88\u591a\u5b9e\u73b0\u90fd\u662f\u4ee5\u4e0d\u53ef\u91cd\u5165\u7684\u65b9\u5f0f\u4f7f\u7528\u5168\u5c40\u6570\u636e\u7ed3\u6784\u3002<\/li>\n\n\n\n<li>\u53ef\u91cd\u5165\u51fd\u6570\u4f53\u5185\u4f7f\u7528\u4e86\u9759\u6001\u7684\u6570\u636e\u7ed3\u6784\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e38\u89c1\u7684\u53ef\u91cd\u5165\u60c5\u51b5<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u4f7f\u7528\u5168\u5c40\u53d8\u91cf\u6216\u9759\u6001\u53d8\u91cf\u3002<\/li>\n\n\n\n<li>\u4e0d\u4f7f\u7528malloc\u6216\u8005new\u5f00\u8f9f\u51fa\u7684\u7a7a\u95f4\u3002<\/li>\n\n\n\n<li>\u4e0d\u8c03\u7528\u4e0d\u53ef\u91cd\u5165\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u4e0d\u8fd4\u56de\u9759\u6001\u6216\u5168\u5c40\u6570\u636e\uff0c\u6240\u6709\u6570\u636e\u90fd\u7531\u51fd\u6570\u7684\u8c03\u7528\u8005\u63d0\u4f9b\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u672c\u5730\u6570\u636e\uff0c\u6216\u8005\u901a\u8fc7\u5236\u4f5c\u5168\u5c40\u6570\u636e\u7684\u672c\u5730\u62f7\u8d1d\u6765\u4fdd\u62a4\u5168\u5c40\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u53ef\u91cd\u5165\u4e0e\u7ebf\u7a0b\u5b89\u5168\u8054\u7cfb<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51fd\u6570\u662f\u53ef\u91cd\u5165\u7684\uff0c\u90a3\u5c31\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u3002<\/li>\n\n\n\n<li>\u51fd\u6570\u662f\u4e0d\u53ef\u91cd\u5165\u7684\uff0c\u90a3\u5c31\u4e0d\u80fd\u7531\u591a\u4e2a\u7ebf\u7a0b\u4f7f\u7528\uff0c\u6709\u53ef\u80fd\u5f15\u53d1\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u4e00\u4e2a\u51fd\u6570\u4e2d\u6709\u5168\u5c40\u53d8\u91cf\uff0c\u90a3\u4e48\u8fd9\u4e2a\u51fd\u6570\u65e2\u4e0d\u662f\u7ebf\u7a0b\u5b89\u5168\u4e5f\u4e0d\u662f\u53ef\u91cd\u5165\u7684\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u53ef\u91cd\u5165\u4e0e\u7ebf\u7a0b\u5b89\u5168\u7684\u533a\u522b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ef\u91cd\u5165\u51fd\u6570\u662f\u7ebf\u7a0b\u5b89\u5168\u51fd\u6570\u7684\u4e00\u79cd\u3002<\/li>\n\n\n\n<li>\u7ebf\u7a0b\u5b89\u5168\u4e0d\u4e00\u5b9a\u662f\u53ef\u91cd\u5165\u7684\uff0c\u800c\u53ef\u91cd\u5165\u51fd\u6570\u5219\u4e00\u5b9a\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u5bf9\u4e34\u754c\u8d44\u6e90\u7684\u8bbf\u95ee\u52a0\u4e0a\u9501\uff0c\u5219\u8fd9\u4e2a\u51fd\u6570\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\uff0c\u4f46\u5982\u679c\u8fd9\u4e2a\u91cd\u5165\u51fd\u6570\u7684\u9501\u8fd8\u672a\u91ca\u653e\u5219\u4f1a\u4ea7\u751f\u6b7b\u9501\uff0c\u56e0\u6b64\u662f\u4e0d\u53ef\u91cd\u5165\u7684\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u89c1\u9501\u6982\u5ff5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6b7b\u9501<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6b7b\u9501\u662f\u6307\u5728\u4e00\u7ec4\u8fdb\u7a0b\u4e2d\u7684\u5404\u4e2a\u8fdb\u7a0b\u5747\u5360\u6709\u4e0d\u4f1a\u91ca\u653e\u7684\u8d44\u6e90\uff0c\u4f46\u56e0\u4e92\u76f8\u7533\u8bf7\u88ab\u5176\u4ed6\u8fdb\u7a0b\u6240\u5360\u7528\u4e0d\u4f1a\u91ca\u653e\u7684\u8d44\u6e90\u800c\u5904\u4e8e\u7684\u4e00\u79cd\u6c38\u4e45\u7b49\u5f85\u72b6\u6001\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5355\u6267\u884c\u6d41\u53ef\u80fd\u4ea7\u751f\u6b7b\u9501\u5417\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u5355\u6267\u884c\u6d41\u4e5f\u6709\u53ef\u80fd\u4ea7\u751f\u6b7b\u9501\uff0c\u5982\u679c\u67d0\u4e00\u6267\u884c\u6d41\u8fde\u7eed\u7533\u8bf7\u4e86\u4e24\u6b21\u9501\uff0c\u90a3\u4e48\u6b64\u65f6\u8be5\u6267\u884c\u6d41\u5c31\u4f1a\u88ab\u6302\u8d77\u3002\u56e0\u4e3a\u8be5\u6267\u884c\u6d41\u7b2c\u4e00\u6b21\u7533\u8bf7\u9501\u7684\u65f6\u5019\u662f\u7533\u8bf7\u6210\u529f\u7684\uff0c\u4f46\u7b2c\u4e8c\u6b21\u7533\u8bf7\u9501\u65f6\u56e0\u4e3a\u8be5\u9501\u5df2\u7ecf\u88ab\u7533\u8bf7\u8fc7\u4e86\uff0c\u4e8e\u662f\u7533\u8bf7\u5931\u8d25\u5bfc\u81f4\u88ab\u6302\u8d77\u76f4\u5230\u8be5\u9501\u88ab\u91ca\u653e\u65f6\u624d\u4f1a\u88ab\u5524\u9192\uff0c\u4f46\u662f\u8fd9\u4e2a\u9501\u672c\u6765\u5c31\u5728\u81ea\u5df1\u624b\u4e0a\uff0c\u81ea\u5df1\u73b0\u5728\u5904\u4e8e\u88ab\u6302\u8d77\u7684\u72b6\u6001\u6839\u672c\u6ca1\u6709\u673a\u4f1a\u91ca\u653e\u9501\uff0c\u6240\u4ee5\u8be5\u6267\u884c\u6d41\u5c06\u6c38\u8fdc\u4e0d\u4f1a\u88ab\u5524\u9192\uff0c\u6b64\u65f6\u8be5\u6267\u884c\u6d41\u4e5f\u5c31\u5904\u4e8e\u4e00\u79cd\u6b7b\u9501\u7684\u72b6\u6001\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5728\u4e0b\u9762\u7684\u4ee3\u7801\u4e2d\u6211\u4eec\u8ba9\u4e3b\u7ebf\u7a0b\u521b\u5efa\u7684\u65b0\u7ebf\u7a0b\u8fde\u7eed\u7533\u8bf7\u4e86\u4e24\u6b21\u9501\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n#include &lt;pthread.h&gt;\n\npthread_mutex_t mutex;\nvoid* Routine(void* arg)\n{\n    pthread_mutex_lock(&amp;mutex);\n    pthread_mutex_lock(&amp;mutex);\n\n    pthread_exit((void*)0);\n}\nint main()\n{\n    pthread_t tid;\n    pthread_mutex_init(&amp;mutex, NULL);\n    pthread_create(&amp;tid, NULL, Routine, NULL);\n\n    pthread_join(tid, NULL);\n    pthread_mutex_destroy(&amp;mutex);\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u4ee3\u7801\uff0c\u6b64\u65f6\u8be5\u7a0b\u5e8f\u5b9e\u9645\u5c31\u5904\u4e8e\u4e00\u79cd\u88ab\u6302\u8d77\u7684\u72b6\u6001\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u7528<code>ps<\/code>\u547d\u4ee4\u67e5\u770b\u8be5\u8fdb\u7a0b\u65f6\u53ef\u4ee5\u770b\u5230\uff0c\u8be5\u8fdb\u7a0b\u5f53\u524d\u7684\u72b6\u6001\u662f<code>Sl+<\/code>\uff0c\u5176\u4e2d\u7684<code>l<\/code>\u5b9e\u9645\u4e0a\u5c31\u662flock\u7684\u610f\u601d\uff0c\u8868\u793a\u8be5\u8fdb\u7a0b\u5f53\u524d\u5904\u4e8e\u4e00\u79cd\u6b7b\u9501\u7684\u72b6\u6001\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-16806615392666.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-16806615392666.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4ec0\u4e48\u53eb\u505a\u963b\u585e\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u8fdb\u7a0b\u8fd0\u884c\u65f6\u662f\u88abCPU\u8c03\u5ea6\u7684\uff0c\u6362\u53e5\u8bdd\u8bf4\u8fdb\u7a0b\u5728\u8c03\u5ea6\u65f6\u662f\u9700\u8981\u7528\u5230CPU\u8d44\u6e90\u7684\uff0c\u6bcf\u4e2aCPU\u90fd\u6709\u4e00\u4e2a\u8fd0\u884c\u7b49\u5f85\u961f\u5217\uff08runqueue\uff09\uff0cCPU\u5728\u8fd0\u884c\u65f6\u5c31\u662f\u4ece\u8be5\u961f\u5217\u4e2d\u83b7\u53d6\u8fdb\u7a0b\u8fdb\u884c\u8c03\u5ea6\u7684\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-16806616790609.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-16806616790609.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u5728\u8fd0\u884c\u7b49\u5f85\u961f\u5217\u4e2d\u7684\u8fdb\u7a0b\u672c\u8d28\u4e0a\u5c31\u662f\u5728\u7b49\u5f85CPU\u8d44\u6e90\uff0c\u5b9e\u9645\u4e0a\u4e0d\u53ea\u662f\u7b49\u5f85CPU\u8d44\u6e90\u5982\u6b64\uff0c\u7b49\u5f85\u5176\u4ed6\u8d44\u6e90\u4e5f\u662f\u5982\u6b64\uff0c\u6bd4\u5982\u9501\u7684\u8d44\u6e90\u3001\u786c\u76d8\u7684\u8d44\u6e90\u3001\u7f51\u5361\u7684\u8d44\u6e90\u7b49\u7b49\uff0c\u5b83\u4eec\u90fd\u6709\u5404\u81ea\u5bf9\u5e94\u7684\u8d44\u6e90\u7b49\u5f85\u961f\u5217\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168066314935812.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168066314935812.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u4f8b\u5982\uff0c\u5f53\u67d0\u4e00\u4e2a\u8fdb\u7a0b\u5728\u88abCPU\u8c03\u5ea6\u65f6\uff0c\u8be5\u8fdb\u7a0b\u9700\u8981\u7528\u5230\u9501\u7684\u8d44\u6e90\uff0c\u4f46\u662f\u6b64\u65f6\u9501\u7684\u8d44\u6e90\u6b63\u5728\u88ab\u5176\u4ed6\u8fdb\u7a0b\u4f7f\u7528\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u90a3\u4e48\u6b64\u65f6\u8be5\u8fdb\u7a0b\u7684\u72b6\u6001\u5c31\u4f1a\u7531R\u72b6\u6001\u53d8\u4e3a\u67d0\u79cd\u963b\u585e\u72b6\u6001\uff0c\u6bd4\u5982S\u72b6\u6001\u3002\u5e76\u4e14\u8be5\u8fdb\u7a0b\u4f1a\u88ab\u79fb\u51fa\u8fd0\u884c\u7b49\u5f85\u961f\u5217\uff0c\u88ab\u94fe\u63a5\u5230\u7b49\u5f85\u9501\u7684\u8d44\u6e90\u7684\u8d44\u6e90\u7b49\u5f85\u961f\u5217\uff0c\u800cCPU\u5219\u7ee7\u7eed\u8c03\u5ea6\u8fd0\u884c\u7b49\u5f85\u961f\u5217\u4e2d\u7684\u4e0b\u4e00\u4e2a\u8fdb\u7a0b\u3002<\/li>\n\n\n\n<li>\u6b64\u540e\u82e5\u8fd8\u6709\u8fdb\u7a0b\u9700\u8981\u7528\u5230\u8fd9\u4e00\u4e2a\u9501\u7684\u8d44\u6e90\uff0c\u90a3\u4e48\u8fd9\u4e9b\u8fdb\u7a0b\u4e5f\u90fd\u4f1a\u88ab\u79fb\u51fa\u8fd0\u884c\u7b49\u5f85\u961f\u5217\uff0c\u4f9d\u6b21\u94fe\u63a5\u5230\u8fd9\u4e2a\u9501\u7684\u8d44\u6e90\u7b49\u5f85\u961f\u5217\u5f53\u4e2d\u3002<\/li>\n\n\n\n<li>\u76f4\u5230\u4f7f\u7528\u9501\u7684\u8fdb\u7a0b\u5df2\u7ecf\u4f7f\u7528\u5b8c\u6bd5\uff0c\u4e5f\u5c31\u662f\u9501\u7684\u8d44\u6e90\u5df2\u7ecf\u5c31\u7eea\uff0c\u6b64\u65f6\u5c31\u4f1a\u4ece\u9501\u7684\u8d44\u6e90\u7b49\u5f85\u961f\u5217\u4e2d\u5524\u9192\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u5c06\u8be5\u8fdb\u7a0b\u7684\u72b6\u6001\u7531S\u72b6\u6001\u6539\u4e3aR\u72b6\u6001\uff0c\u5e76\u5c06\u5176\u91cd\u65b0\u94fe\u63a5\u5230\u8fd0\u884c\u7b49\u5f85\u961f\u5217\uff0c\u7b49\u5230CPU\u518d\u6b21\u8c03\u5ea6\u8be5\u8fdb\u7a0b\u65f6\uff0c\u8be5\u8fdb\u7a0b\u5c31\u53ef\u4ee5\u4f7f\u7528\u5230\u9501\u7684\u8d44\u6e90\u4e86\u3002<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<p><strong>\u603b\u7ed3\u4e00\u4e0b\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ad9\u5728\u64cd\u4f5c\u7cfb\u7edf\u7684\u89d2\u5ea6\uff0c\u8fdb\u7a0b\u7b49\u5f85\u67d0\u79cd\u8d44\u6e90\uff0c\u5c31\u662f\u5c06\u5f53\u524d\u8fdb\u7a0b\u7684task_struct\u653e\u5165\u5bf9\u5e94\u7684\u7b49\u5f85\u961f\u5217\uff0c\u8fd9\u79cd\u60c5\u51b5\u53ef\u4ee5\u79f0\u4e4b\u4e3a\u5f53\u524d\u8fdb\u7a0b\u88ab\u6302\u8d77\u7b49\u5f85\u4e86\u3002<\/li>\n\n\n\n<li>\u7ad9\u5728\u7528\u6237\u89d2\u5ea6\uff0c\u5f53\u8fdb\u7a0b\u7b49\u5f85\u67d0\u79cd\u8d44\u6e90\u65f6\uff0c\u7528\u6237\u770b\u5230\u7684\u5c31\u662f\u81ea\u5df1\u7684\u8fdb\u7a0b\u5361\u4f4f\u4e0d\u52a8\u4e86\uff0c\u6211\u4eec\u4e00\u822c\u79f0\u4e4b\u4e3a\u5e94\u7528\u963b\u585e\u4e86\u3002<\/li>\n\n\n\n<li>\u8fd9\u91cc\u6240\u8bf4\u7684\u8d44\u6e90\u53ef\u4ee5\u662f\u786c\u4ef6\u8d44\u6e90\u4e5f\u53ef\u4ee5\u662f\u8f6f\u4ef6\u8d44\u6e90\uff0c\u9501\u672c\u8d28\u5c31\u662f\u4e00\u79cd\u8f6f\u4ef6\u8d44\u6e90\uff0c\u5f53\u6211\u4eec\u7533\u8bf7\u9501\u65f6\uff0c\u9501\u5f53\u524d\u53ef\u80fd\u5e76\u6ca1\u6709\u5c31\u7eea\uff0c\u53ef\u80fd\u6b63\u5728\u88ab\u5176\u4ed6\u7ebf\u7a0b\u6240\u5360\u7528\uff0c\u6b64\u65f6\u5f53\u5176\u4ed6\u7ebf\u7a0b\u518d\u6765\u7533\u8bf7\u9501\u65f6\uff0c\u5c31\u4f1a\u88ab\u653e\u5230\u8fd9\u4e2a\u9501\u7684\u8d44\u6e90\u7b49\u5f85\u961f\u5217\u5f53\u4e2d\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u6b7b\u9501\u7684\u56db\u4e2a\u5fc5\u8981\u6761\u4ef6<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e92\u65a5\u6761\u4ef6\uff1a<\/strong> \u4e00\u4e2a\u8d44\u6e90\u6bcf\u6b21\u53ea\u80fd\u88ab\u4e00\u4e2a\u6267\u884c\u6d41\u4f7f\u7528\u3002<\/li>\n\n\n\n<li><strong>\u8bf7\u6c42\u4e0e\u4fdd\u6301\u6761\u4ef6\uff1a<\/strong> \u4e00\u4e2a\u6267\u884c\u6d41\u56e0\u8bf7\u6c42\u8d44\u6e90\u800c\u963b\u585e\u65f6\uff0c\u5bf9\u5df2\u83b7\u5f97\u7684\u8d44\u6e90\u4fdd\u6301\u4e0d\u653e\u3002<\/li>\n\n\n\n<li><strong>\u4e0d\u5265\u593a\u6761\u4ef6\uff1a<\/strong> \u4e00\u4e2a\u6267\u884c\u6d41\u5df2\u83b7\u5f97\u7684\u8d44\u6e90\uff0c\u5728\u672a\u4f7f\u7528\u5b8c\u4e4b\u524d\uff0c\u4e0d\u80fd\u5f3a\u884c\u5265\u593a\u3002<\/li>\n\n\n\n<li><strong>\u5faa\u73af\u7b49\u5f85\u6761\u4ef6\uff1a<\/strong> \u82e5\u5e72\u6267\u884c\u6d41\u4e4b\u95f4\u5f62\u6210\u4e00\u79cd\u5934\u5c3e\u76f8\u63a5\u7684\u5faa\u73af\u7b49\u5f85\u8d44\u6e90\u7684\u5173\u7cfb\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u8fd9\u662f\u6b7b\u9501\u7684\u56db\u4e2a\u5fc5\u8981\u6761\u4ef6\uff0c\u4e5f\u5c31\u662f\u8bf4\u53ea\u6709\u540c\u65f6\u6ee1\u8db3\u4e86\u8fd9\u56db\u4e2a\u6761\u4ef6\u624d\u53ef\u80fd\u4ea7\u751f\u6b7b\u9501\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u907f\u514d\u6b7b\u9501<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7834\u574f\u6b7b\u9501\u7684\u56db\u4e2a\u5fc5\u8981\u6761\u4ef6\u3002<\/li>\n\n\n\n<li>\u52a0\u9501\u987a\u5e8f\u4e00\u81f4\uff0c\u5177\u4f53\u6765\u8bf4\uff0c\u5982\u679c\u7ebf\u7a0bA\u5df2\u7ecf\u83b7\u53d6\u4e86\u9501X\uff0c\u90a3\u4e48\u5728\u5b83\u8bf7\u6c42\u9501Y\u4e4b\u524d\uff0c\u7ebf\u7a0bB\u5c31\u4e0d\u5e94\u8be5\u83b7\u5f97\u9501Y\u3002\u8fd9\u6837\u53ef\u4ee5\u4fdd\u8bc1\u6240\u6709\u7ebf\u7a0b\u8bf7\u6c42\u9501\u7684\u987a\u5e8f\u4e00\u81f4\uff0c\u4ece\u800c\u907f\u514d\u6b7b\u9501\u7684\u53d1\u751f\u3002<\/li>\n\n\n\n<li>\u907f\u514d\u9501\u672a\u91ca\u653e\u7684\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u8d44\u6e90\u4e00\u6b21\u6027\u5206\u914d\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9664\u6b64\u4e4b\u5916\uff0c\u8fd8\u6709\u4e00\u4e9b\u907f\u514d\u6b7b\u9501\u7684\u7b97\u6cd5\uff0c\u6bd4\u5982\u6b7b\u9501\u68c0\u6d4b\u7b97\u6cd5\u548c\u94f6\u884c\u5bb6\u7b97\u6cd5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Linux\u7ebf\u7a0b\u540c\u6b65<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u540c\u6b65\u6982\u5ff5\u4e0e\u7ade\u6001\u6761\u4ef6<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u540c\u6b65\uff1a<\/strong> \u5728\u4fdd\u8bc1\u6570\u636e\u5b89\u5168\u7684\u524d\u63d0\u4e0b\uff0c\u8ba9\u7ebf\u7a0b\u80fd\u591f\u6309\u7167\u67d0\u79cd\u7279\u5b9a\u7684\u987a\u5e8f\u8bbf\u95ee\u4e34\u754c\u8d44\u6e90\uff0c\u4ece\u800c\u6709\u6548\u907f\u514d\u9965\u997f\u95ee\u9898\uff0c\u8fd9\u5c31\u53eb\u505a\u540c\u6b65\u3002<\/p>\n\n\n\n<p><strong>\u7ade\u6001\u6761\u4ef6\uff1a<\/strong> \u56e0\u4e3a\u65f6\u5e8f\u95ee\u9898\uff0c\u800c\u5bfc\u81f4\u7a0b\u5e8f\u5f02\u5e38\uff0c\u6211\u4eec\u79f0\u4e4b\u4e3a\u7ade\u6001\u6761\u4ef6\u3002<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9996\u5148\u9700\u8981\u660e\u786e\u7684\u662f\uff0c\u5355\u7eaf\u7684\u52a0\u9501\u662f\u4f1a\u5b58\u5728\u67d0\u4e9b\u95ee\u9898\u7684\uff0c\u5982\u679c\u4e2a\u522b\u7ebf\u7a0b\u7684\u7ade\u4e89\u529b\u7279\u522b\u5f3a\uff0c\u6bcf\u6b21\u90fd\u80fd\u591f\u7533\u8bf7\u5230\u9501\uff0c\u4f46\u7533\u8bf7\u5230\u9501\u4e4b\u540e\u4ec0\u4e48\u4e5f\u4e0d\u505a\uff0c\u6240\u4ee5\u5728\u6211\u4eec\u770b\u6765\u8fd9\u4e2a\u7ebf\u7a0b\u5c31\u4e00\u76f4\u5728\u7533\u8bf7\u9501\u548c\u91ca\u653e\u9501\uff0c\u8fd9\u5c31\u53ef\u80fd\u5bfc\u81f4\u5176\u4ed6\u7ebf\u7a0b\u957f\u65f6\u95f4\u7ade\u4e89\u4e0d\u5230\u9501\uff0c\u5f15\u8d77\u9965\u997f\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u5355\u7eaf\u7684\u52a0\u9501\u662f\u6ca1\u6709\u9519\u7684\uff0c\u5b83\u80fd\u591f\u4fdd\u6301\u5728\u540c\u4e00\u65f6\u95f4\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u8fdb\u5165\u4e34\u754c\u533a\uff0c\u4f46\u5b83\u6ca1\u6709\u9ad8\u6548\u7684\u8ba9\u6bcf\u4e00\u4e2a\u7ebf\u7a0b\u4f7f\u7528\u8fd9\u4efd\u4e34\u754c\u8d44\u6e90\u3002<\/li>\n\n\n\n<li>\u73b0\u5728\u6211\u4eec\u589e\u52a0\u4e00\u4e2a\u89c4\u5219\uff0c\u5f53\u4e00\u4e2a\u7ebf\u7a0b\u91ca\u653e\u9501\u540e\uff0c\u8fd9\u4e2a\u7ebf\u7a0b\u4e0d\u80fd\u7acb\u9a6c\u518d\u6b21\u7533\u8bf7\u9501\uff0c\u8be5\u7ebf\u7a0b\u5fc5\u987b\u6392\u5230\u8fd9\u4e2a\u9501\u7684\u8d44\u6e90\u7b49\u5f85\u961f\u5217\u7684\u6700\u540e\u3002<\/li>\n\n\n\n<li>\u589e\u52a0\u8fd9\u4e2a\u89c4\u5219\u4e4b\u540e\uff0c\u4e0b\u4e00\u4e2a\u83b7\u53d6\u5230\u9501\u7684\u8d44\u6e90\u7684\u7ebf\u7a0b\u4e00\u5b9a\u662f\u5728\u8d44\u6e90\u7b49\u5f85\u961f\u5217\u9996\u90e8\u7684\u7ebf\u7a0b\uff0c\u5982\u679c\u6709\u5341\u4e2a\u7ebf\u7a0b\uff0c\u6b64\u65f6\u6211\u4eec\u5c31\u80fd\u591f\u8ba9\u8fd9\u5341\u4e2a\u7ebf\u7a0b\u6309\u7167\u67d0\u79cd\u6b21\u5e8f\u8fdb\u884c\u4e34\u754c\u8d44\u6e90\u7684\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4f8b\u5982\uff0c\u73b0\u5728\u6709\u4e24\u4e2a\u7ebf\u7a0b\u8bbf\u95ee\u4e00\u5757\u4e34\u754c\u533a\uff0c\u4e00\u4e2a\u7ebf\u7a0b\u5f80\u4e34\u754c\u533a\u5199\u5165\u6570\u636e\uff0c\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u4ece\u4e34\u754c\u533a\u8bfb\u53d6\u6570\u636e\uff0c\u4f46\u8d1f\u8d23\u6570\u636e\u5199\u5165\u7684\u7ebf\u7a0b\u7ade\u4e89\u529b\u7279\u522b\u5f3a\uff0c\u8be5\u7ebf\u7a0b\u6bcf\u6b21\u90fd\u80fd\u7ade\u4e89\u5230\u9501\uff0c\u90a3\u4e48\u6b64\u65f6\u8be5\u7ebf\u7a0b\u5c31\u4e00\u76f4\u5728\u6267\u884c\u5199\u5165\u64cd\u4f5c\uff0c\u76f4\u5230\u4e34\u754c\u533a\u88ab\u5199\u6ee1\uff0c\u6b64\u540e\u8be5\u7ebf\u7a0b\u5c31\u4e00\u76f4\u5728\u8fdb\u884c\u7533\u8bf7\u9501\u548c\u91ca\u653e\u9501\u3002\u800c\u8d1f\u8d23\u6570\u636e\u8bfb\u53d6\u7684\u7ebf\u7a0b\u7531\u4e8e\u7ade\u4e89\u529b\u592a\u5f31\uff0c\u6bcf\u6b21\u90fd\u7533\u8bf7\u4e0d\u5230\u9501\uff0c\u56e0\u6b64\u65e0\u6cd5\u8fdb\u884c\u6570\u636e\u7684\u8bfb\u53d6\uff0c\u5f15\u5165\u540c\u6b65\u540e\u8be5\u95ee\u9898\u5c31\u80fd\u5f88\u597d\u7684\u89e3\u51b3\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6761\u4ef6\u53d8\u91cf<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u6761\u4ef6\u53d8\u91cf\u662f\u5229\u7528\u7ebf\u7a0b\u95f4\u5171\u4eab\u7684\u5168\u5c40\u53d8\u91cf\u8fdb\u884c\u540c\u6b65\u7684\u4e00\u79cd\u673a\u5236\uff0c\u6761\u4ef6\u53d8\u91cf\u662f\u7528\u6765\u63cf\u8ff0\u67d0\u79cd\u8d44\u6e90\u662f\u5426\u5c31\u7eea\u7684\u4e00\u79cd\u6570\u636e\u5316\u63cf\u8ff0\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>\u6761\u4ef6\u53d8\u91cf\u4e3b\u8981\u5305\u62ec\u4e24\u4e2a\u52a8\u4f5c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e00\u4e2a\u7ebf\u7a0b\u7b49\u5f85\u6761\u4ef6\u53d8\u91cf\u7684\u6761\u4ef6\u6210\u7acb\u800c\u88ab\u6302\u8d77\u3002<\/li>\n\n\n\n<li>\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u4f7f\u6761\u4ef6\u6210\u7acb\u540e\u5524\u9192\u7b49\u5f85\u7684\u8fdb\u7a0b\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6761\u4ef6\u53d8\u91cf\u901a\u5e38\u9700\u8981\u914d\u5408\u4e92\u65a5\u9501\u4e00\u8d77\u4f7f\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6761\u4ef6\u53d8\u91cf\u51fd\u6570<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u521d\u59cb\u5316\u6761\u4ef6\u53d8\u91cf<\/p>\n<\/blockquote>\n\n\n\n<p>\u521d\u59cb\u5316\u6761\u4ef6\u53d8\u91cf\u7684\u51fd\u6570\u53eb\u505apthread_cond_init\uff0c\u8be5\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int pthread_cond_init(pthread_cond_t* restrict cond\uff0cconst pthread_condattr_t* restrict attr);<\/code><\/pre>\n\n\n\n<p>\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>cond\uff1a\u9700\u8981\u521d\u59cb\u5316\u7684\u6761\u4ef6\u53d8\u91cf\u3002<\/li>\n\n\n\n<li>attr\uff1a\u521d\u59cb\u5316\u6761\u4ef6\u53d8\u91cf\u7684\u5c5e\u6027\uff0c\u4e00\u822c\u8bbe\u7f6e\u4e3aNULL\u5373\u53ef\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd4\u56de\u503c\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6761\u4ef6\u53d8\u91cf\u521d\u59cb\u5316\u6210\u529f\u8fd4\u56de0\uff0c\u5931\u8d25\u8fd4\u56de\u9519\u8bef\u7801\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8c03\u7528pthread_cond_init\u51fd\u6570\u521d\u59cb\u5316\u6761\u4ef6\u53d8\u91cf\u53eb\u505a\u52a8\u6001\u5206\u914d\uff0c\u9664\u6b64\u4e4b\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u7528\u4e0b\u9762\u8fd9\u79cd\u65b9\u5f0f\u521d\u59cb\u5316\u6761\u4ef6\u53d8\u91cf\uff0c\u8be5\u65b9\u5f0f\u53eb\u505a\u9759\u6001\u5206\u914d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pthread_cond_t cond = PTHREAD_COND_INITIALIZER;<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u9500\u6bc1\u6761\u4ef6\u53d8\u91cf<\/p>\n<\/blockquote>\n\n\n\n<p>\u9500\u6bc1\u6761\u4ef6\u53d8\u91cf\u7684\u51fd\u6570\u53eb\u505apthread_cond_destroy\uff0c\u8be5\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int pthread_cond_destroy(pthread_cond_t* cond);<\/code><\/pre>\n\n\n\n<p>\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>cond\uff1a\u9700\u8981\u9500\u6bc1\u7684\u6761\u4ef6\u53d8\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd4\u56de\u503c\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6761\u4ef6\u53d8\u91cf\u9500\u6bc1\u6210\u529f\u8fd4\u56de0\uff0c\u5931\u8d25\u8fd4\u56de\u9519\u8bef\u7801\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9500\u6bc1\u6761\u4ef6\u53d8\u91cf\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528<code>PTHREAD_COND_INITIALIZER<\/code>\u521d\u59cb\u5316\u7684\u6761\u4ef6\u53d8\u91cf\u4e0d\u9700\u8981\u9500\u6bc1\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u7b49\u5f85\u6761\u4ef6\u53d8\u91cf\u6ee1\u8db3<\/p>\n<\/blockquote>\n\n\n\n<p>\u7b49\u5f85\u6761\u4ef6\u53d8\u91cf\u6ee1\u8db3\u7684\u51fd\u6570\u53eb\u505apthread_cond_wait\uff0c\u8be5\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int pthread_cond_wait(pthread_cond_t* restrict cond, pthread_mutex_t* restrict mutex);<\/code><\/pre>\n\n\n\n<p>\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>cond\uff1a\u9700\u8981\u7b49\u5f85\u7684\u6761\u4ef6\u53d8\u91cf\u3002<\/li>\n\n\n\n<li>mutex\uff1a<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5524\u9192\u7b49\u5f85<\/p>\n<\/blockquote>\n\n\n\n<p>\u5524\u9192\u7b49\u5f85\u7684\u51fd\u6570\u6709\u4ee5\u4e0b\u4e24\u4e2a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int pthread_cond_broadcast(pthread_cond_t* cond);\nint pthread_cond_signal(pthread_cond_t* cond);<\/code><\/pre>\n\n\n\n<p>\u533a\u522b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>pthread_cond_signal\u51fd\u6570\u7528\u4e8e\u5524\u9192\u7b49\u5f85\u961f\u5217\u4e2d\u9996\u4e2a\u8fdb\u7a0b\u3002<\/li>\n\n\n\n<li>pthread_cond_broadcast\u51fd\u6570\u7528\u4e8e\u5524\u9192\u7b49\u5f85\u961f\u5217\u4e2d\u7684\u5168\u90e8\u8fdb\u7a0b\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>cond\uff1a\u5524\u9192\u5728cond\u6761\u4ef6\u4e0b\u7b49\u5f85\u7684\u8fdb\u7a0b\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd4\u56de\u503c\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51fd\u6570\u8c03\u7528\u6210\u529f\u8fd4\u56de0\uff0c\u5931\u8d25\u8fd4\u56de\u9519\u8bef\u7801\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4f7f\u7528\u793a\u4f8b\uff1a<\/p>\n<\/blockquote>\n\n\n\n<p>\u4f8b\u5982\uff0c\u4e0b\u9762\u6211\u4eec\u7528\u4e3b\u7ebf\u7a0b\u521b\u5efa\u4e09\u4e2a\u65b0\u7ebf\u7a0b\uff0c\u8ba9\u4e3b\u7ebf\u7a0b\u63a7\u5236\u8fd9\u4e09\u4e2a\u65b0\u7ebf\u7a0b\u6d3b\u52a8\u3002\u8ba9\u8fd9\u4e09\u4e2a\u65b0\u7ebf\u7a0b\u521b\u5efa\u540e\u90fd\u5728\u6761\u4ef6\u53d8\u91cf\u4e0b\u8fdb\u884c\u7b49\u5f85\uff0c\u76f4\u5230\u4e3b\u7ebf\u7a0b\u68c0\u6d4b\u5230\u952e\u76d8\u6709\u8f93\u5165\u65f6\u624d\u5524\u9192\u4e00\u4e2a\u7b49\u5f85\u8fdb\u7a0b\uff0c\u5982\u6b64\u8fdb\u884c\u4e0b\u53bb\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;iostream&gt;\n#include &lt;cstdio&gt;\n#include &lt;pthread.h&gt;\n\npthread_mutex_t mutex;\npthread_cond_t cond;\nvoid* Routine(void* arg)\n{\n    pthread_detach(pthread_self());\n    std::cout &lt;&lt; (char*)arg &lt;&lt; \" run...\" &lt;&lt; std::endl;\n    while (true){\n        pthread_cond_wait(&amp;cond, &amp;mutex); \/\/\u963b\u585e\u5728\u8fd9\u91cc\uff0c\u76f4\u5230\u88ab\u5524\u9192\n        std::cout &lt;&lt; (char*)arg &lt;&lt; \"\u6d3b\u52a8...\" &lt;&lt; std::endl;\n    }\n}\nint main()\n{\n    pthread_t t1, t2, t3;\n    pthread_mutex_init(&amp;mutex, nullptr);\n    pthread_cond_init(&amp;cond, nullptr);\n\n    pthread_create(&amp;t1, nullptr, Routine, (void*)\"thread 1\");\n    pthread_create(&amp;t2, nullptr, Routine, (void*)\"thread 2\");\n    pthread_create(&amp;t3, nullptr, Routine, (void*)\"thread 3\");\n\n    while (true){\n        getchar();\n        pthread_cond_signal(&amp;cond);\n    }\n\n    pthread_mutex_destroy(&amp;mutex);\n    pthread_cond_destroy(&amp;cond);\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u6b64\u65f6\u6211\u4eec\u4f1a\u53d1\u73b0\u5524\u9192\u8fd9\u4e09\u4e2a\u7ebf\u7a0b\u65f6\u5177\u6709\u660e\u663e\u7684\u987a\u5e8f\u6027\uff0c\u6839\u672c\u539f\u56e0\u662f\u5f53\u8fd9\u82e5\u5e72\u4e2a\u7ebf\u7a0b\u542f\u52a8\u65f6\u9ed8\u8ba4\u90fd\u4f1a\u5728\u8be5\u6761\u4ef6\u53d8\u91cf\u4e0b\u53bb\u7b49\u5f85\uff0c\u800c\u6211\u4eec\u6bcf\u6b21\u90fd\u5524\u9192\u7684\u662f\u5728\u5f53\u524d\u6761\u4ef6\u53d8\u91cf\u4e0b\u7b49\u5f85\u7684\u5934\u90e8\u7ebf\u7a0b\uff0c\u5f53\u8be5\u7ebf\u7a0b\u6267\u884c\u5b8c\u6253\u5370\u64cd\u4f5c\u540e\u4f1a\u7ee7\u7eed\u6392\u5230\u7b49\u5f85\u961f\u5217\u7684\u5c3e\u90e8\u8fdb\u884cwait\uff0c\u6240\u4ee5\u6211\u4eec\u80fd\u591f\u770b\u5230\u4e00\u4e2a\u5468\u8f6c\u7684\u73b0\u8c61\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168067585207315.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168067585207315.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u5982\u679c\u6211\u4eec\u60f3\u6bcf\u6b21\u5524\u9192\u90fd\u5c06\u5728\u8be5\u6761\u4ef6\u53d8\u91cf\u4e0b\u7b49\u5f85\u7684\u6240\u6709\u7ebf\u7a0b\u8fdb\u884c\u5524\u9192\uff0c\u53ef\u4ee5\u5c06\u4ee3\u7801\u4e2d\u7684<code>pthread_cond_signal<\/code>\u51fd\u6570\u6539\u4e3a<code>pthread_cond_broadcast<\/code>\u51fd\u6570\u3002<\/p>\n\n\n\n<p>\u6b64\u65f6\u6211\u4eec\u6bcf\u4e00\u6b21\u5524\u9192\u90fd\u4f1a\u5c06\u6240\u6709\u5728\u8be5\u6761\u4ef6\u53d8\u91cf\u4e0b\u7b49\u5f85\u7684\u7ebf\u7a0b\u8fdb\u884c\u5524\u9192\uff0c\u4e5f\u5c31\u662f\u6bcf\u6b21\u90fd\u5c06\u8fd9\u4e09\u4e2a\u7ebf\u7a0b\u5524\u9192\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168067605653718.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-168067605653718.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p><strong>\u5c0f\u8d34\u58eb\uff1a<\/strong> C++\u6e90\u6587\u4ef6\u7684\u540e\u7f00\u53ef\u4ee5\u662f<code>.cpp<\/code>\u3001<code>.cc<\/code>\u3001<code>.cxx<\/code>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48pthread_cond_wait\u9700\u8981\u4e92\u65a5\u91cf<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6761\u4ef6\u7b49\u5f85\u662f\u7ebf\u7a0b\u95f4\u540c\u6b65\u7684\u4e00\u79cd\u624b\u6bb5\uff0c\u5982\u679c\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\uff0c\u6761\u4ef6\u4e0d\u6ee1\u8db3\uff0c\u4e00\u76f4\u7b49\u4e0b\u53bb\u90fd\u4e0d\u4f1a\u6ee1\u8db3\uff0c\u6240\u4ee5\u5fc5\u987b\u8981\u6709\u4e00\u4e2a\u7ebf\u7a0b\u901a\u8fc7\u67d0\u4e9b\u64cd\u4f5c\uff0c\u6539\u53d8\u5171\u4eab\u53d8\u91cf\uff0c\u4f7f\u539f\u5148\u4e0d\u6ee1\u8db3\u7684\u6761\u4ef6\u53d8\u5f97\u6ee1\u8db3\uff0c\u5e76\u4e14\u53cb\u597d\u7684\u901a\u77e5\u7b49\u5f85\u5728\u6761\u4ef6\u53d8\u91cf\u4e0a\u7684\u7ebf\u7a0b\u3002<\/li>\n\n\n\n<li>\u6761\u4ef6\u4e0d\u4f1a\u65e0\u7f18\u65e0\u6545\u7684\u7a81\u7136\u53d8\u5f97\u6ee1\u8db3\u4e86\uff0c\u5fc5\u7136\u4f1a\u7275\u626f\u5230\u5171\u4eab\u6570\u636e\u7684\u53d8\u5316\uff0c\u6240\u4ee5\u4e00\u5b9a\u8981\u7528\u4e92\u65a5\u9501\u6765\u4fdd\u62a4\uff0c\u6ca1\u6709\u4e92\u65a5\u9501\u5c31\u65e0\u6cd5\u5b89\u5168\u7684\u83b7\u53d6\u548c\u4fee\u6539\u5171\u4eab\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u5f53\u7ebf\u7a0b\u8fdb\u5165\u4e34\u754c\u533a\u65f6\u9700\u8981\u5148\u52a0\u9501\uff0c\u7136\u540e\u5224\u65ad\u5185\u90e8\u8d44\u6e90\u7684\u60c5\u51b5\uff0c\u82e5\u4e0d\u6ee1\u8db3\u5f53\u524d\u7ebf\u7a0b\u7684\u6267\u884c\u6761\u4ef6\uff0c\u5219\u9700\u8981\u5728\u8be5\u6761\u4ef6\u53d8\u91cf\u4e0b\u8fdb\u884c\u7b49\u5f85\uff0c\u4f46\u6b64\u65f6\u8be5\u7ebf\u7a0b\u662f\u62ff\u7740\u9501\u88ab\u6302\u8d77\u7684\uff0c\u4e5f\u5c31\u610f\u5473\u7740\u8fd9\u4e2a\u9501\u518d\u4e5f\u4e0d\u4f1a\u88ab\u91ca\u653e\u4e86\uff0c\u6b64\u65f6\u5c31\u4f1a\u53d1\u751f\u6b7b\u9501\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u6240\u4ee5\u5728\u8c03\u7528<code>pthread_cond_wait<\/code>\u51fd\u6570\u65f6\uff0c\u8fd8\u9700\u8981\u5c06\u5bf9\u5e94\u7684\u4e92\u65a5\u9501\u4f20\u5165\uff0c\u6b64\u65f6\u5f53\u7ebf\u7a0b\u56e0\u4e3a\u67d0\u4e9b\u6761\u4ef6\u4e0d\u6ee1\u8db3\u9700\u8981\u5728\u8be5\u6761\u4ef6\u53d8\u91cf\u4e0b\u8fdb\u884c\u7b49\u5f85\u65f6\uff0c\u5c31\u4f1a\u81ea\u52a8\u91ca\u653e\u8be5\u4e92\u65a5\u9501\u3002<\/li>\n\n\n\n<li>\u5f53\u8be5\u7ebf\u7a0b\u88ab\u5524\u9192\u65f6\uff0c\u8be5\u7ebf\u7a0b\u4f1a\u63a5\u7740\u6267\u884c\u4e34\u754c\u533a\u5185\u7684\u4ee3\u7801\uff0c\u6b64\u65f6\u4fbf\u8981\u6c42\u8be5\u7ebf\u7a0b\u5fc5\u987b\u7acb\u9a6c\u83b7\u5f97\u5bf9\u5e94\u7684\u4e92\u65a5\u9501\uff0c\u56e0\u6b64\u5f53\u67d0\u4e00\u4e2a\u7ebf\u7a0b\u88ab\u5524\u9192\u65f6\uff0c\u5b9e\u9645\u4f1a\u81ea\u52a8\u83b7\u5f97\u5bf9\u5e94\u7684\u4e92\u65a5\u9501\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u603b\u7ed3\u4e00\u4e0b\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b49\u5f85\u7684\u65f6\u5019\u5f80\u5f80\u662f\u5728\u4e34\u754c\u533a\u5185\u7b49\u5f85\u7684\uff0c\u5f53\u8be5\u7ebf\u7a0b\u8fdb\u5165\u7b49\u5f85\u7684\u65f6\u5019\uff0c\u4e92\u65a5\u9501\u4f1a\u81ea\u52a8\u91ca\u653e\uff0c\u800c\u5f53\u8be5\u7ebf\u7a0b\u88ab\u5524\u9192\u65f6\uff0c\u53c8\u4f1a\u81ea\u52a8\u83b7\u5f97\u5bf9\u5e94\u7684\u4e92\u65a5\u9501\u3002<\/li>\n\n\n\n<li>\u6761\u4ef6\u53d8\u91cf\u9700\u8981\u914d\u5408\u4e92\u65a5\u9501\u4f7f\u7528\uff0c\u5176\u4e2d\u6761\u4ef6\u53d8\u91cf\u662f\u7528\u6765\u5b8c\u6210\u540c\u6b65\u7684\uff0c\u800c\u4e92\u65a5\u9501\u662f\u7528\u6765\u5b8c\u6210\u4e92\u65a5\u7684\u3002<\/li>\n\n\n\n<li><code>pthread_cond_wait<\/code>\u51fd\u6570\u6709\u4e24\u4e2a\u529f\u80fd\uff0c\u4e00\u5c31\u662f\u8ba9\u7ebf\u7a0b\u5728\u7279\u5b9a\u7684\u6761\u4ef6\u53d8\u91cf\u4e0b\u7b49\u5f85\uff0c\u4e8c\u5c31\u662f\u8ba9\u7ebf\u7a0b\u91ca\u653e\u5bf9\u5e94\u7684\u4e92\u65a5\u9501\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u9519\u8bef\u7684\u8bbe\u8ba1<\/p>\n<\/blockquote>\n\n\n\n<p>\u4f60\u53ef\u80fd\u4f1a\u60f3\uff1a\u5f53\u6211\u4eec\u8fdb\u5165\u4e34\u754c\u533a\u4e0a\u9501\u540e\uff0c\u5982\u679c\u53d1\u73b0\u6761\u4ef6\u4e0d\u6ee1\u8db3\uff0c\u90a3\u6211\u4eec\u5148\u89e3\u9501\uff0c\u7136\u540e\u5728\u8be5\u6761\u4ef6\u53d8\u91cf\u8fdb\u884c\u7b49\u5f85\u4e0d\u5c31\u884c\u4e86\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/\u9519\u8bef\u7684\u8bbe\u8ba1\npthread_mutex_lock(&amp;mutex);\nwhile (condition_is_false)\n{\n    pthread_mutex_unlock(&amp;mutex);\n    \/\/\u89e3\u9501\u4e4b\u540e\uff0c\u7b49\u5f85\u4e4b\u524d\uff0c\u6761\u4ef6\u53ef\u80fd\u5df2\u7ecf\u6ee1\u8db3\uff0c\u4fe1\u53f7\u5df2\u7ecf\u53d1\u51fa\uff0c\u4f46\u662f\u8be5\u4fe1\u53f7\u53ef\u80fd\u88ab\u9519\u8fc7\n    pthread_mutex_wait(&amp;cond);\n    pthread_mutex_lock(&amp;mutex);\n}\npthread_mutex_unlock(&amp;mutex);<\/code><\/pre>\n\n\n\n<p>\u4f46\u8fd9\u662f\u4e0d\u53ef\u884c\u7684\uff0c\u56e0\u4e3a\u89e3\u9501\u548c\u7b49\u5f85\u4e0d\u662f\u539f\u5b50\u64cd\u4f5c\uff0c\u8c03\u7528\u89e3\u9501\u4e4b\u540e\uff0c\u5728\u8c03\u7528<code>pthread_cond_wait<\/code>\u51fd\u6570\u4e4b\u524d\uff0c\u5982\u679c\u5df2\u7ecf\u6709\u5176\u4ed6\u7ebf\u7a0b\u83b7\u53d6\u5230\u4e92\u65a5\u91cf\uff0c\u53d1\u73b0\u6b64\u65f6\u6761\u4ef6\u6ee1\u8db3\uff0c\u4e8e\u662f\u53d1\u9001\u4e86\u4fe1\u53f7\uff0c\u90a3\u4e48\u6b64\u65f6<code>pthread_cond_wait<\/code>\u51fd\u6570\u5c06\u9519\u8fc7\u8fd9\u4e2a\u4fe1\u53f7\uff0c\u6700\u7ec8\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7ebf\u7a0b\u6c38\u8fdc\u4e0d\u4f1a\u88ab\u5524\u9192\uff0c\u56e0\u6b64\u89e3\u9501\u548c\u7b49\u5f85\u5fc5\u987b\u662f\u4e00\u4e2a\u539f\u5b50\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u800c\u5b9e\u9645\u8fdb\u5165<code>pthread_cond_wait<\/code>\u51fd\u6570\u540e\uff0c\u4f1a\u5148\u5224\u65ad\u6761\u4ef6\u53d8\u91cf\u662f\u5426\u7b49\u4e8e0\uff0c\u82e5\u7b49\u4e8e0\u5219\u8bf4\u660e\u4e0d\u6ee1\u8db3\uff0c\u6b64\u65f6\u4f1a\u5148\u5c06\u5bf9\u5e94\u7684\u4e92\u65a5\u9501\u89e3\u9501\uff0c\u76f4\u5230<code>pthread_cond_wait<\/code>\u51fd\u6570\u8fd4\u56de\u65f6\u518d\u5c06\u6761\u4ef6\u53d8\u91cf\u6539\u4e3a1\uff0c\u5e76\u5c06\u5bf9\u5e94\u7684\u4e92\u65a5\u9501\u52a0\u9501\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6761\u4ef6\u53d8\u91cf\u7684\u4f7f\u7528\u89c4\u8303<\/h3>\n\n\n\n<p>\u7b49\u5f85\u6761\u4ef6\u53d8\u91cf\u7684\u4ee3\u7801<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pthread_mutex_lock(&amp;mutex);\nwhile (\u6761\u4ef6\u4e3a\u5047)\n{\n    pthread_cond_wait(&amp;cond,&amp;mutex);\n}\n\u4fee\u6539\u6761\u4ef6\npthread_mutex_unlock(&amp;mutex);<\/code><\/pre>\n\n\n\n<p>\u5524\u9192\u7b49\u5f85\u7ebf\u7a0b\u7684\u4ee3\u7801<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pthread_mutex_lock(&amp;mutex);\n\u8bbe\u7f6e\u6761\u4ef6\u4e3a\u771f\npthread_cond_signal(&amp;cond);\npthread_mutex_unlock(&amp;mutex);<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u7ebf\u7a0b\u4e92\u65a5 \u8fdb\u7a0b\u7ebf\u7a0b\u95f4\u7684\u4e92\u65a5\u76f8\u5173\u80cc\u666f\u6982\u5ff5 \u4e34\u754c\u8d44\u6e90\u548c\u4e34\u754c\u533a \u8fdb\u7a0b\u4e4b\u95f4\u5982\u679c\u8981\u8fdb\u884c\u901a\u4fe1\u6211\u4eec\u9700\u8981\u5148\u521b\u5efa\u7b2c\u4e09\u65b9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,1],"tags":[33],"class_list":["post-157","post","type-post","status-publish","format-standard","hentry","category-linux","category-learn","tag-33"],"_links":{"self":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/157","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=157"}],"version-history":[{"count":1,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/157\/revisions"}],"predecessor-version":[{"id":158,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/157\/revisions\/158"}],"wp:attachment":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}