{"id":155,"date":"2026-03-24T13:47:49","date_gmt":"2026-03-24T05:47:49","guid":{"rendered":"https:\/\/codergodv.xyz\/?p=155"},"modified":"2026-03-24T13:47:50","modified_gmt":"2026-03-24T05:47:50","slug":"linux%e5%a4%9a%e7%ba%bf%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/codergodv.xyz\/index.php\/2026\/03\/24\/linux%e5%a4%9a%e7%ba%bf%e7%a8%8b\/","title":{"rendered":"Linux\u591a\u7ebf\u7a0b"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Linux\u7ebf\u7a0b\u6982\u5ff5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ec0\u4e48\u662f\u7ebf\u7a0b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u4e00\u4e2a\u7a0b\u5e8f\u91cc\u7684\u4e00\u4e2a\u6267\u884c\u8def\u7ebf\u5c31\u53eb\u505a\u7ebf\u7a0b\uff08thread\uff09\u3002\u66f4\u51c6\u786e\u7684\u5b9a\u4e49\u662f\uff1a\u7ebf\u7a0b\u662f\u201c\u4e00\u4e2a\u8fdb\u7a0b\u5185\u90e8\u7684\u63a7\u5236\u5e8f\u5217\u201d\u3002<\/li>\n\n\n\n<li>\u4e00\u5207\u8fdb\u7a0b\u81f3\u5c11\u90fd\u6709\u4e00\u4e2a\u6267\u884c\u7ebf\u7a0b\u3002<\/li>\n\n\n\n<li>\u7ebf\u7a0b\u5728\u8fdb\u7a0b\u5185\u90e8\u8fd0\u884c\uff0c\u672c\u8d28\u662f\u5728\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u5185\u8fd0\u884c\u3002<\/li>\n\n\n\n<li>\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u5728CPU\u773c\u91cc\uff0c\u770b\u5230\u7684PCB\u90fd\u8981\u6bd4\u4f20\u7edf\u7684\u8fdb\u7a0b\u66f4\u8f7b\u91cf\u5316\u3002<\/li>\n\n\n\n<li>\u900f\u8fc7\u8fdb\u7a0b\u865a\u62df\u5730\u5740\u7a7a\u95f4\uff0c\u53ef\u4ee5\u770b\u5230\u8fdb\u7a0b\u7684\u5927\u90e8\u5206\u8d44\u6e90\uff0c\u5c06\u8fdb\u7a0b\u8d44\u6e90\u5408\u7406\u5206\u914d\u7ed9\u6bcf\u4e2a\u6267\u884c\u6d41\uff0c\u5c31\u5f62\u6210\u4e86\u7ebf\u7a0b\u6267\u884c\u6d41\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9700\u8981\u660e\u786e\u7684\u662f\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u7684\u521b\u5efa\u5b9e\u9645\u4e0a\u4f34\u968f\u7740\u5176\u8fdb\u7a0b\u63a7\u5236\u5757\uff08task_struct\uff09\u3001\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\uff08mm_struct\uff09\u4ee5\u53ca\u9875\u8868\u7684\u521b\u5efa\uff0c\u865a\u62df\u5730\u5740\u548c\u7269\u7406\u5730\u5740\u5c31\u662f\u901a\u8fc7\u9875\u8868\u5efa\u7acb\u6620\u5c04\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.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>\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u6709\u81ea\u5df1\u72ec\u7acb\u7684\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u548c\u72ec\u7acb\u7684\u9875\u8868\uff0c\u4e5f\u5c31\u610f\u5473\u7740\u6240\u6709\u8fdb\u7a0b\u5728\u8fd0\u884c\u65f6\u672c\u8eab\u5c31\u5177\u6709\u72ec\u7acb\u6027\u3002<\/p>\n\n\n\n<p>\u4f46\u5982\u679c\u6211\u4eec\u5728\u521b\u5efa\u201c\u8fdb\u7a0b\u201d\u65f6\uff0c\u53ea\u521b\u5efatask_struct\uff0c\u5e76\u8981\u6c42\u521b\u5efa\u51fa\u6765\u7684task_struct\u548c\u7236task_struct\u5171\u4eab\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u548c\u9875\u8868\uff0c\u90a3\u4e48\u521b\u5efa\u7684\u7ed3\u679c\u5c31\u662f\u4e0b\u9762\u8fd9\u6837\u7684\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_16-16796349107013.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_16-16796349107013.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6b64\u65f6\u6211\u4eec\u521b\u5efa\u7684\u5b9e\u9645\u4e0a\u5c31\u662f\u56db\u4e2a\u7ebf\u7a0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5176\u4e2d\u6bcf\u4e00\u4e2a\u7ebf\u7a0b\u90fd\u662f\u5f53\u524d\u8fdb\u7a0b\u91cc\u9762\u7684\u4e00\u4e2a\u6267\u884c\u6d41\uff0c\u4e5f\u5c31\u662f\u6211\u4eec\u5e38\u8bf4\u7684\u201c\u7ebf\u7a0b\u662f\u8fdb\u7a0b\u5185\u90e8\u7684\u4e00\u4e2a\u6267\u884c\u5206\u652f\u201d\u3002<\/li>\n\n\n\n<li>\u540c\u65f6\u6211\u4eec\u4e5f\u53ef\u4ee5\u770b\u5230\uff0c\u7ebf\u7a0b\u5728\u8fdb\u7a0b\u5185\u90e8\u8fd0\u884c\uff0c\u672c\u8d28\u4e0a\u5c31\u662f\u7ebf\u7a0b\u5728\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u5185\u8fd0\u884c\uff0c\u4e5f\u5c31\u662f\u8bf4\u66fe\u7ecf\u8fd9\u4e2a\u8fdb\u7a0b\u7533\u8bf7\u7684\u6240\u6709\u8d44\u6e90\uff0c\u51e0\u4e4e\u90fd\u662f\u88ab\u6240\u6709\u7ebf\u7a0b\u5171\u4eab\u7684\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u5355\u7eaf\u4ece\u6280\u672f\u89d2\u5ea6\uff0c\u8fd9\u4e2a\u662f\u4e00\u5b9a\u80fd\u5b9e\u73b0\u7684\uff0c\u56e0\u4e3a\u5b83\u6bd4\u521b\u5efa\u4e00\u4e2a\u539f\u59cb\u8fdb\u7a0b\u6240\u505a\u7684\u5de5\u4f5c\u66f4\u8f7b\u91cf\u5316\u4e86\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u8be5\u5982\u4f55\u91cd\u65b0\u7406\u89e3\u4e4b\u524d\u7684\u8fdb\u7a0b\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u4e0b\u9762\u7528\u84dd\u8272\u65b9\u6846\u6846\u8d77\u6765\u7684\u5185\u5bb9\uff0c\u6211\u4eec\u5c06\u8fd9\u4e2a\u6574\u4f53\u53eb\u505a\u8fdb\u7a0b\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_16-16796352931136.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_16-16796352931136.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u56e0\u6b64\uff0c\u6240\u8c13\u7684\u8fdb\u7a0b\u5e76\u4e0d\u662f\u901a\u8fc7task_struct\u6765\u8861\u91cf\u7684\uff0c\u9664\u4e86task_struct\u4e4b\u5916\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u8fd8\u8981\u6709\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u3001\u6587\u4ef6\u3001\u4fe1\u53f7\u7b49\u7b49\uff0c\u5408\u8d77\u6765\u79f0\u4e4b\u4e3a\u4e00\u4e2a\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<p>\u73b0\u5728\u6211\u4eec\u5e94\u8be5\u7ad9\u5728\u5185\u6838\u7684\u89d2\u5ea6\u6765\u7406\u89e3\u8fdb\u7a0b\uff1a\u627f\u62c5\u5206\u914d\u7cfb\u7edf\u8d44\u6e90\u7684\u57fa\u672c\u5b9e\u4f53\uff0c\u53eb\u505a\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<p>\u6362\u8a00\u4e4b\uff0c\u5f53\u6211\u4eec\u521b\u5efa\u8fdb\u7a0b\u65f6\u521b\u5efa\u4e00\u4e2atask_struct\u3001\u521b\u5efa\u5730\u5740\u7a7a\u95f4\u3001\u7ef4\u62a4\u9875\u8868\u3001\u7136\u540e\u5728\u7269\u7406\u5185\u5b58\u5f53\u4e2d\u5f00\u8f9f\u7a7a\u95f4\u3001\u6784\u5efa\u6620\u5c04\uff0c\u6253\u5f00\u8fdb\u7a0b\u9ed8\u8ba4\u6253\u5f00\u7684\u76f8\u5173\u6587\u4ef6\u3001\u6ce8\u518c\u4fe1\u53f7\u5bf9\u5e94\u7684\u5904\u7406\u65b9\u6848\u7b49\u7b49\u3002<\/p>\n\n\n\n<p>\u800c\u6211\u4eec\u4e4b\u524d\u63a5\u89e6\u5230\u7684\u8fdb\u7a0b\u90fd\u53ea\u6709\u4e00\u4e2atask_struct\uff0c\u4e5f\u5c31\u662f\u8be5\u8fdb\u7a0b\u5185\u90e8\u53ea\u6709\u4e00\u4e2a\u6267\u884c\u6d41\uff0c\u5373\u5355\u6267\u884c\u6d41\u8fdb\u7a0b\uff1b\u53cd\u4e4b\uff0c\u5185\u90e8\u6709\u591a\u4e2a\u6267\u884c\u6d41\u7684\u8fdb\u7a0b\u53eb\u505a\u591a\u6267\u884c\u6d41\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5728Linux\u5f53\u4e2d\uff0c\u7ad9\u5728CPU\u7684\u89d2\u5ea6\uff0c\u80fd\u5426\u8bc6\u522b\u5f53\u524d\u8c03\u5ea6\u7684task_struct\u662f\u8fdb\u7a0b\u8fd8\u662f\u7ebf\u7a0b\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u7b54\u6848\u662f\u4e0d\u80fd\uff0c\u4e5f\u4e0d\u9700\u8981\u4e86\uff0c\u56e0\u4e3aCPU\u53ea\u5173\u5fc3\u4e00\u4e2a\u4e00\u4e2a\u7684\u72ec\u7acb\u6267\u884c\u6d41\u3002\u65e0\u8bba\u8fdb\u7a0b\u5185\u90e8\u53ea\u6709\u4e00\u4e2a\u6267\u884c\u6d41\u8fd8\u662f\u6709\u591a\u4e2a\u6267\u884c\u6d41\uff0cCPU\u90fd\u662f\u4ee5task_struct\u4e3a\u5355\u4f4d\u8fdb\u884c\u8c03\u5ea6\u7684\u3002<\/p>\n\n\n\n<p>\u5355\u6267\u884c\u6d41\u8fdb\u7a0b\u88ab\u8c03\u5ea6\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_16-16796359207089.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_16-16796359207089.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u591a\u6267\u884c\u6d41\u8fdb\u7a0b\u88ab\u8c03\u5ea6\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_16-167963596230612.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_16-167963596230612.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u56e0\u6b64\uff0cCPU\u770b\u5230\u7684\u867d\u8bf4\u8fd8\u662ftask_struct\uff0c\u4f46\u5df2\u7ecf\u6bd4\u4f20\u7edf\u7684\u8fdb\u7a0b\u8981\u66f4\u8f7b\u91cf\u5316\u4e86\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Linux\u4e0b\u5e76\u4e0d\u5b58\u5728\u771f\u6b63\u7684\u591a\u7ebf\u7a0b\uff01\u800c\u662f\u7528\u8fdb\u7a0b\u6a21\u62df\u7684!<\/p>\n<\/blockquote>\n\n\n\n<p>\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u5b58\u5728\u5927\u91cf\u7684\u8fdb\u7a0b\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u5185\u53c8\u5b58\u5728\u4e00\u4e2a\u6216\u591a\u4e2a\u7ebf\u7a0b\uff0c\u56e0\u6b64\u7ebf\u7a0b\u7684\u6570\u91cf\u4e00\u5b9a\u6bd4\u8fdb\u7a0b\u7684\u6570\u91cf\u591a\uff0c\u5f53\u7ebf\u7a0b\u7684\u6570\u91cf\u8db3\u591f\u591a\u7684\u65f6\u5019\uff0c\u5f88\u660e\u663e\u7ebf\u7a0b\u7684\u6267\u884c\u7c92\u5ea6\u8981\u6bd4\u8fdb\u7a0b\u66f4\u7ec6\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u4e00\u6b3e\u64cd\u4f5c\u7cfb\u7edf\u8981\u652f\u6301\u771f\u7684\u7ebf\u7a0b\uff0c\u90a3\u4e48\u5c31\u9700\u8981\u5bf9\u8fd9\u4e9b\u7ebf\u7a0b\u8fdb\u884c\u7ba1\u7406\u3002\u6bd4\u5982\u8bf4\u521b\u5efa\u7ebf\u7a0b\u3001\u7ec8\u6b62\u7ebf\u7a0b\u3001\u8c03\u5ea6\u7ebf\u7a0b\u3001\u5207\u6362\u7ebf\u7a0b\u3001\u7ed9\u7ebf\u7a0b\u5206\u914d\u8d44\u6e90\u3001\u91ca\u653e\u8d44\u6e90\u4ee5\u53ca\u56de\u6536\u8d44\u6e90\u7b49\u7b49\uff0c\u6240\u6709\u7684\u8fd9\u4e00\u5957\u76f8\u6bd4\u8f83\u8fdb\u7a0b\u90fd\u9700\u8981\u53e6\u8d77\u7089\u7076\uff0c\u642d\u5efa\u4e00\u5957\u4e0e\u8fdb\u7a0b\u5e73\u884c\u7684\u7ebf\u7a0b\u7ba1\u7406\u6a21\u5757\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0c\u5982\u679c\u8981\u652f\u6301\u771f\u7684\u7ebf\u7a0b\u4e00\u5b9a\u4f1a\u63d0\u9ad8\u8bbe\u8ba1\u64cd\u4f5c\u7cfb\u7edf\u7684\u590d\u6742\u7a0b\u5ea6\u3002\u5728Linux\u770b\u6765\uff0c\u63cf\u8ff0\u7ebf\u7a0b\u7684\u63a7\u5236\u5757\u548c\u63cf\u8ff0\u8fdb\u7a0b\u7684\u63a7\u5236\u5757\u662f\u7c7b\u4f3c\u7684\uff0c\u56e0\u6b64Linux\u5e76\u6ca1\u6709\u91cd\u65b0\u4e3a\u7ebf\u7a0b\u8bbe\u8ba1\u6570\u636e\u7ed3\u6784\uff0c\u800c\u662f\u76f4\u63a5\u590d\u7528\u4e86\u8fdb\u7a0b\u63a7\u5236\u5757\uff0c\u6240\u4ee5\u6211\u4eec\u8bf4Linux\u4e2d\u7684\u6240\u6709\u6267\u884c\u6d41\u90fd\u53eb\u505a\u8f7b\u91cf\u7ea7\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<p>\u4f46\u4e5f\u6709\u652f\u6301\u771f\u7684\u7ebf\u7a0b\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u6bd4\u5982Windows\u64cd\u4f5c\u7cfb\u7edf\uff0c\u56e0\u6b64Windows\u64cd\u4f5c\u7cfb\u7edf\u7cfb\u7edf\u7684\u5b9e\u73b0\u903b\u8f91\u4e00\u5b9a\u6bd4Linux\u64cd\u4f5c\u7cfb\u7edf\u7684\u5b9e\u73b0\u903b\u8f91\u8981\u590d\u6742\u5f97\u591a\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u65e2\u7136\u5728Linux\u6ca1\u6709\u771f\u6b63\u610f\u4e49\u7684\u7ebf\u7a0b\uff0c\u90a3\u4e48\u4e5f\u5c31\u7edd\u5bf9\u6ca1\u6709\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u7ebf\u7a0b\u76f8\u5173\u7684\u7cfb\u7edf\u8c03\u7528\uff01<\/p>\n<\/blockquote>\n\n\n\n<p>\u8fd9\u5f88\u597d\u7406\u89e3\uff0c\u65e2\u7136\u5728Linux\u4e2d\u90fd\u6ca1\u6709\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u7ebf\u7a0b\u4e86\uff0c\u90a3\u4e48\u81ea\u7136\u4e5f\u6ca1\u6709\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u7ebf\u7a0b\u76f8\u5173\u7684\u7cfb\u7edf\u8c03\u7528\u4e86\u3002\u4f46\u662fLinux\u53ef\u4ee5\u63d0\u4f9b\u521b\u5efa\u8f7b\u91cf\u7ea7\u8fdb\u7a0b\u7684\u63a5\u53e3\uff0c\u4e5f\u5c31\u662f\u521b\u5efa\u8fdb\u7a0b\uff0c\u5171\u4eab\u7a7a\u95f4\uff0c\u5176\u4e2d\u6700\u5178\u578b\u7684\u4ee3\u8868\u5c31\u662fvfork\u51fd\u6570\u3002<\/p>\n\n\n\n<p>vfork\u51fd\u6570\u7684\u529f\u80fd\u5c31\u662f\u521b\u5efa\u5b50\u8fdb\u7a0b\uff0c\u4f46\u662f\u7236\u5b50\u5171\u4eab\u7a7a\u95f4\uff0cv\u51fd\u6570fork\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pid_t vfork(void);<\/code><\/pre>\n\n\n\n<p>vfork\u51fd\u6570\u7684\u8fd4\u56de\u503c\u4e0efork\u51fd\u6570\u7684\u8fd4\u56de\u503c\u76f8\u540c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ed9\u7236\u8fdb\u7a0b\u8fd4\u56de\u5b50\u8fdb\u7a0b\u7684PID\u3002<\/li>\n\n\n\n<li>\u7ed9\u5b50\u8fdb\u7a0b\u8fd4\u56de0\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u53ea\u4e0d\u8fc7vfork\u51fd\u6570\u521b\u5efa\u51fa\u6765\u7684\u5b50\u8fdb\u7a0b\u4e0e\u5176\u7236\u8fdb\u7a0b\u5171\u4eab\u5730\u5740\u7a7a\u95f4\uff0c\u4f8b\u5982\u5728\u4e0b\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u7236\u8fdb\u7a0b\u4f7f\u7528vfork\u51fd\u6570\u521b\u5efa\u5b50\u8fdb\u7a0b\uff0c\u5b50\u8fdb\u7a0b\u5c06\u5168\u5c40\u53d8\u91cfg_val\u7531100\u6539\u4e3a\u4e86200\uff0c\u7236\u8fdb\u7a0b\u4f11\u77203\u79d2\u540e\u518d\u8bfb\u53d6\u5230\u5168\u5c40\u53d8\u91cfg_val\u7684\u503c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;sys\/types.h&gt;\n#include &lt;unistd.h&gt;\nint g_val = 100;\nint main()\n{\n    pid_t id = vfork();\n    if (id == 0){\n        \/\/child\n        g_val = 200;\n        printf(\"child:PID:%d, PPID:%d, g_val:%d\\n\", getpid(), getppid(), g_val);\n        exit(0);\n    }\n    \/\/father\n    sleep(3);\n    printf(\"father:PID:%d, PPID:%d, g_val:%d\\n\", getpid(), getppid(), g_val);\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\uff0c\u7236\u8fdb\u7a0b\u8bfb\u53d6\u5230g_val\u7684\u503c\u662f\u5b50\u8fdb\u7a0b\u4fee\u6539\u540e\u7684\u503c\uff0c\u4e5f\u5c31\u8bc1\u660e\u4e86vfork\u521b\u5efa\u7684\u5b50\u8fdb\u7a0b\u4e0e\u5176\u7236\u8fdb\u7a0b\u662f\u5171\u4eab\u5730\u5740\u7a7a\u95f4\u7684\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/20260324134619610.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/20260324134619610.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>\u539f\u751f\u7ebf\u7a0b\u5e93pthread<\/p>\n<\/blockquote>\n\n\n\n<p>\u5728Linux\u4e2d\uff0c\u7ad9\u5728\u5185\u6838\u89d2\u5ea6\u6ca1\u6709\u771f\u6b63\u610f\u4e49\u4e0a\u7ebf\u7a0b\u76f8\u5173\u7684\u63a5\u53e3\uff0c\u4f46\u662f\u7ad9\u5728\u7528\u6237\u89d2\u5ea6\uff0c\u5f53\u7528\u6237\u60f3\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u4f7f\u66f4\u671f\u671b\u4f7f\u7528thread_create\u8fd9\u6837\u7c7b\u4f3c\u7684\u63a5\u53e3\uff0c\u800c\u4e0d\u662fvfork\u51fd\u6570\uff0c\u56e0\u6b64\u7cfb\u7edf\u4e3a\u7528\u6237\u5c42\u63d0\u4f9b\u4e86\u539f\u751f\u7ebf\u7a0b\u5e93pthread\u3002<\/p>\n\n\n\n<p>\u539f\u751f\u7ebf\u7a0b\u5e93\u5b9e\u9645\u5c31\u662f\u5bf9\u8f7b\u91cf\u7ea7\u8fdb\u7a0b\u7684\u7cfb\u7edf\u8c03\u7528\u8fdb\u884c\u4e86\u5c01\u88c5\uff0c\u5728\u7528\u6237\u5c42\u6a21\u62df\u5b9e\u73b0\u4e86\u4e00\u5957\u7ebf\u7a0b\u76f8\u5173\u7684\u63a5\u53e3\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\u5bf9\u4e8e\u6211\u4eec\u6765\u8bb2\uff0c\u5728Linux\u4e0b\u5b66\u4e60\u7ebf\u7a0b\u5b9e\u9645\u4e0a\u5c31\u662f\u5b66\u4e60\u5728\u7528\u6237\u5c42\u6a21\u62df\u5b9e\u73b0\u7684\u8fd9\u4e00\u5957\u63a5\u53e3\uff0c\u800c\u5e76\u975e\u64cd\u4f5c\u7cfb\u7edf\u7684\u63a5\u53e3\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e8c\u7ea7\u9875\u8868<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4ee532\u4f4d\u5e73\u53f0\u4e3a\u4f8b\uff0c\u572832\u4f4d\u5e73\u53f0\u4e0b\u4e00\u5171\u6709232\u4e2a\u5730\u5740\uff0c\u4e5f\u5c31\u610f\u5473\u7740\u6709232\u4e2a\u5730\u5740\u9700\u8981\u88ab\u6620\u5c04\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>\u5982\u679c\u6211\u4eec\u6240\u8c13\u7684\u9875\u8868\u5c31\u53ea\u662f\u5355\u7eaf\u7684\u4e00\u5f20\u8868\uff0c\u90a3\u4e48\u8fd9\u5f20\u8868\u5c31\u9700\u8981\u5efa\u7acb232\u4e2a\u865a\u62df\u5730\u5740\u548c\u7269\u7406\u5730\u5740\u4e4b\u95f4\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u5373\u8fd9\u5f20\u8868\u4e00\u5171\u6709232\u4e2a\u6620\u5c04\u8868\u9879\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_16-16799954169253.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_16-16799954169253.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6bcf\u4e00\u4e2a\u8868\u9879\u4e2d\u9664\u4e86\u8981\u6709\u865a\u62df\u5730\u5740\u548c\u4e0e\u5176\u6620\u5c04\u7684\u7269\u7406\u5730\u5740\u4ee5\u5916\uff0c\u5b9e\u9645\u8fd8\u9700\u8981\u6709\u4e00\u4e9b\u6743\u9650\u76f8\u5173\u7684\u4fe1\u606f\uff0c\u6bd4\u5982\u6211\u4eec\u6240\u8bf4\u7684\u7528\u6237\u7ea7\u9875\u8868\u548c\u5185\u6838\u7ea7\u9875\u8868\uff0c\u5b9e\u9645\u5c31\u662f\u901a\u8fc7\u6743\u9650\u8fdb\u884c\u533a\u5206\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_16-16799955757286.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_16-16799955757286.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6bcf\u4e2a\u5e94\u8868\u9879\u4e2d\u5b58\u50a8\u4e00\u4e2a\u7269\u7406\u5730\u5740\u548c\u4e00\u4e2a\u865a\u62df\u5730\u5740\u5c31\u9700\u89818\u4e2a\u5b57\u8282\uff0c\u8003\u8651\u5230\u8fd8\u9700\u8981\u5305\u542b\u6743\u9650\u76f8\u5173\u7684\u5404\u79cd\u4fe1\u606f\uff0c\u8fd9\u91cc\u6bcf\u4e00\u4e2a\u8868\u9879\u5c31\u630910\u4e2a\u5b57\u8282\u8ba1\u7b97\u3002<br>\u8fd9\u91cc\u4e00\u5171\u67092^32\u4e2a\u8868\u9879\uff0c\u4e5f\u5c31\u610f\u5473\u7740\u5b58\u50a8\u8fd9\u5f20\u9875\u8868\u6211\u4eec\u9700\u8981\u75282^32 * 10\u4e2a\u5b57\u8282\uff0c\u4e5f\u5c31\u662f40GB\u3002\u800c\u572832\u4f4d\u5e73\u53f0\u4e0b\u6211\u4eec\u7684\u5185\u5b58\u53ef\u80fd\u4e00\u5171\u5c31\u53ea\u67094GB\uff0c\u4e5f\u5c31\u662f\u8bf4\u6211\u4eec\u6839\u672c\u65e0\u6cd5\u5b58\u50a8\u8fd9\u6837\u7684\u4e00\u5f20\u9875\u8868\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u56e0\u6b64\u6240\u8c13\u7684\u9875\u8868\u5e76\u4e0d\u662f\u5355\u7eaf\u7684\u4e00\u5f20\u8868\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>\u8fd8\u662f\u4ee532\u4f4d\u5e73\u53f0\u4e3a\u4f8b\uff0c\u5176\u9875\u8868\u7684\u6620\u5c04\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9009\u62e9\u865a\u62df\u5730\u5740\u7684\u524d\u5341\u4e2a\u6bd4\u7279\u4f4d\u5728\u9875\u76ee\u5f55\u5f53\u4e2d\u8fdb\u884c\u67e5\u627e\uff0c\u627e\u5230\u5bf9\u5e94\u7684\u9875\u8868\u3002<\/li>\n\n\n\n<li>\u518d\u9009\u62e9\u865a\u62df\u5730\u5740\u7684\u5341\u4e2a\u6bd4\u7279\u4f4d\u5728\u5bf9\u5e94\u7684\u9875\u8868\u5f53\u4e2d\u8fdb\u884c\u67e5\u627e\uff0c\u627e\u5230\u7269\u7406\u5185\u5b58\u4e2d\u5bf9\u5e94\u9875\u6846\u7684\u8d77\u59cb\u5730\u5740\u3002<\/li>\n\n\n\n<li>\u6700\u540e\u5c06\u865a\u62df\u5730\u5740\u4e2d\u5269\u4e0b\u768412\u4e2a\u6bd4\u7279\u4f4d\u4f5c\u4e3a\u504f\u79fb\u91cf\u4ece\u5bf9\u5e94\u9875\u6846\u7684\u8d77\u59cb\u5730\u5740\u5904\u5411\u540e\u8fdb\u884c\u504f\u79fb\uff0c\u627e\u5230\u7269\u7406\u5185\u5b58\u4e2d\u67d0\u4e00\u4e2a\u5bf9\u5e94\u7684\u5b57\u8282\u6570\u636e\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u76f8\u5173\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7269\u7406\u5185\u5b58\u5b9e\u9645\u4e0a\u662f\u88ab\u5212\u5206\u6210\u4e00\u4e2a\u4e2a4KB\u5927\u5c0f\u7684\u9875\u6846\u7684\uff0c\u800c\u78c1\u76d8\u4e0a\u7684\u7a0b\u5e8f\u4e5f\u662f\u88ab\u5212\u5206\u6210\u4e00\u4e2a\u4e2a4KB\u5927\u5c0f\u7684\u9875\u5e27\u7684\uff0c\u5f53\u5185\u5b58\u548c\u78c1\u76d8\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u65f6\u4e5f\u5c31\u662f\u4ee54KB\u5927\u5c0f\u4e3a\u5355\u4f4d\u8fdb\u884c\u52a0\u8f7d\u548c\u4fdd\u5b58\u7684\u3002<\/li>\n\n\n\n<li>4KB\u5b9e\u9645\u4e0a\u5c31\u662f2^12\u4e2a\u5b57\u8282\uff0c\u4e5f\u5c31\u662f\u8bf4\u4e00\u4e2a\u9875\u6846\u4e2d\u67092^12\u4e2a\u5b57\u8282\uff0c\u800c\u8bbf\u95ee\u5185\u5b58\u7684\u57fa\u672c\u5927\u5c0f\u662f1\u5b57\u8282\uff0c\u56e0\u6b64\u4e00\u4e2a\u9875\u6846\u4e2d\u5c31\u67092^12\u4e2a\u5730\u5740\uff0c\u4e8e\u662f\u6211\u4eec\u5c31\u53ef\u4ee5\u5c06\u5269\u4e0b\u768412\u4e2a\u6bd4\u7279\u4f4d\u4f5c\u4e3a\u504f\u79fb\u91cf\uff0c\u4ece\u9875\u6846\u7684\u8d77\u59cb\u5730\u5740\u5904\u5f00\u59cb\u5411\u540e\u8fdb\u884c\u504f\u79fb\uff0c\u4ece\u800c\u627e\u5230\u7269\u7406\u5185\u5b58\u4e2d\u67d0\u4e00\u4e2a\u5bf9\u5e94\u5b57\u8282\u6570\u636e\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_16-167999656992218.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_16-167999656992218.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u8fd9\u5c31\u662f\u6211\u4eec\u6240\u8c13\u7684\u4e8c\u7ea7\u9875\u8868\uff0c\u5176\u4e2d\u9875\u76ee\u5f55\u9879\u662f\u4e00\u7ea7\u9875\u8868\uff0c\u9875\u8868\u9879\u662f\u4e8c\u7ea7\u9875\u8868\u3002<\/p>\n\n\n\n<p>\u6bcf\u4e00\u4e2a\u8868\u9879\u8fd8\u662f\u630910\u5b57\u8282\u8ba1\u7b97\uff0c\u9875\u76ee\u5f55\u548c\u9875\u8868\u7684\u7684\u8868\u9879\u90fd\u662f2^10\u4e2a\uff0c\u56e0\u6b64\u4e00\u4e2a\u8868\u7684\u5927\u5c0f\u5c31\u662f2^10 * 10\u4e2a\u5b57\u8282\uff0c\u4e5f\u5c31\u662f10KB\u3002\u800c\u9875\u76ee\u5f55\u67092^10\u4e2a\u8868\u9879\u4e5f\u5c31\u610f\u5473\u7740\u9875\u8868\u67092^10\u4e2a\uff0c\u4e5f\u5c31\u662f\u8bf4\u4e00\u7ea7\u9875\u8868\u67091\u5f20\uff0c\u4e8c\u7ea7\u9875\u8868\u67092^10\u5f20\uff0c\u603b\u5171\u7b97\u4e0b\u6765\u5927\u6982\u5c31\u662f10MB\uff0c\u5185\u5b58\u6d88\u8017\u5e76\u4e0d\u9ad8\uff0c\u56e0\u6b64Linux\u4e2d\u5b9e\u9645\u5c31\u662f\u8fd9\u6837\u6620\u5c04\u7684\u3002<\/p>\n\n\n\n<p>\u4e0a\u9762\u6240\u8bf4\u7684\u6240\u6709\u6620\u5c04\u8fc7\u7a0b\uff0c\u90fd\u662f\u7531MMU\uff08MemoryManagermentUnit\uff09\u8fd9\u4e2a\u786c\u4ef6\u5b8c\u6210\u7684\uff0c\u8be5\u786c\u4ef6\u662f\u96c6\u6210\u5728CPU\u5185\u7684\u3002\u9875\u8868\u662f\u4e00\u79cd\u8f6f\u4ef6\u6620\u5c04\uff0cMMU\u662f\u4e00\u79cd\u786c\u4ef6\u6620\u5c04\uff0c\u6240\u6709\u8ba1\u7b97\u673a\u8fdb\u884c\u865a\u62df\u5730\u5740\u5230\u7269\u7406\u5730\u5740\u7684\u8f6c\u5316\u91c7\u7528\u7684\u662f\u8f6f\u786c\u4ef6\u7ed3\u5408\u7684\u65b9\u5f0f\u3002<\/p>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u5728Linux\u4e2d\uff0c32\u4f4d\u5e73\u53f0\u4e0b\u7528\u7684\u662f\u4e8c\u7ea7\u9875\u8868\uff0c\u800c64\u4f4d\u5e73\u53f0\u4e0b\u7528\u7684\u662f\u591a\u7ea7\u9875\u8868\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4fee\u6539\u5e38\u91cf\u5b57\u7b26\u4e32\u4e3a\u4ec0\u4e48\u4f1a\u89e6\u53d1\u6bb5\u9519\u8bef\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u5f53\u6211\u4eec\u8981\u4fee\u6539\u4e00\u4e2a\u5b57\u7b26\u4e32\u5e38\u91cf\u65f6\uff0c\u865a\u62df\u5730\u5740\u5fc5\u987b\u7ecf\u8fc7\u9875\u8868\u6620\u5c04\u627e\u5230\u5bf9\u5e94\u7684\u7269\u7406\u5185\u5b58\uff0c\u800c\u5728\u67e5\u8868\u8fc7\u7a0b\u4e2d\u53d1\u73b0\u5176\u6743\u9650\u662f\u53ea\u8bfb\u7684\uff0c\u6b64\u65f6\u4f60\u8981\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\u5c31\u4f1a\u5728MMU\u5185\u90e8\u89e6\u53d1\u786c\u4ef6\u9519\u8bef\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5728\u8bc6\u522b\u5230\u662f\u54ea\u4e00\u4e2a\u8fdb\u7a0b\u5bfc\u81f4\u7684\u4e4b\u540e\uff0c\u5c31\u4f1a\u7ed9\u8be5\u8fdb\u7a0b\u53d1\u9001\u4fe1\u53f7\u5bf9\u5176\u8fdb\u884c\u7ec8\u6b62\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ebf\u7a0b\u7684\u4f18\u70b9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u521b\u5efa\u4e00\u4e2a\u65b0\u7ebf\u7a0b\u7684\u4ee3\u4ef7\u8981\u6bd4\u521b\u5efa\u4e00\u4e2a\u65b0\u8fdb\u7a0b\u5c0f\u5f97\u591a\u3002<\/li>\n\n\n\n<li>\u4e0e\u8fdb\u7a0b\u4e4b\u95f4\u7684\u5207\u6362\u76f8\u6bd4\uff0c\u7ebf\u7a0b\u4e4b\u95f4\u7684\u5207\u6362\u9700\u8981\u64cd\u4f5c\u7cfb\u7edf\u505a\u7684\u5de5\u4f5c\u8981\u5c11\u5f88\u591a\u3002<\/li>\n\n\n\n<li>\u7ebf\u7a0b\u5360\u7528\u7684\u8d44\u6e90\u8981\u6bd4\u8fdb\u7a0b\u5c11\u5f88\u591a\u3002<\/li>\n\n\n\n<li>\u80fd\u5145\u5206\u5229\u7528\u591a\u5904\u7406\u5668\u7684\u53ef\u5e76\u884c\u6570\u91cf\u3002<\/li>\n\n\n\n<li>\u5728\u7b49\u5f85\u6162\u901fIO\u64cd\u4f5c\u7ed3\u675f\u7684\u540c\u65f6\uff0c\u7a0b\u5e8f\u53ef\u6267\u884c\u5176\u4ed6\u7684\u8ba1\u7b97\u4efb\u52a1\u3002<\/li>\n\n\n\n<li>\u8ba1\u7b97\u5bc6\u96c6\u578b\u5e94\u7528\uff0c\u4e3a\u4e86\u80fd\u5728\u591a\u5904\u7406\u5668\u7cfb\u7edf\u4e0a\u8fd0\u884c\uff0c\u5c06\u8ba1\u7b97\u5206\u5230\u591a\u4e2a\u7ebf\u7a0b\u4e2d\u5b9e\u73b0\u3002<\/li>\n\n\n\n<li>IO\u5bc6\u96c6\u578b\u5e94\u7528\uff0c\u4e3a\u4e86\u63d0\u9ad8\u6027\u80fd\uff0c\u5c06IO\u64cd\u4f5c\u91cd\u53e0\uff0c\u7ebf\u7a0b\u53ef\u4ee5\u540c\u65f6\u7b49\u5f85\u4e0d\u540c\u7684IO\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>\u6982\u5ff5\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8ba1\u7b97\u5bc6\u96c6\u578b\uff1a\u6267\u884c\u6d41\u7684\u5927\u90e8\u5206\u4efb\u52a1\uff0c\u4e3b\u8981\u4ee5\u8ba1\u7b97\u4e3a\u4e3b\u3002\u6bd4\u5982\u52a0\u5bc6\u89e3\u5bc6\u3001\u5927\u6570\u636e\u67e5\u627e\u7b49\u3002<\/li>\n\n\n\n<li>IO\u5bc6\u96c6\u578b\uff1a\u6267\u884c\u6d41\u7684\u5927\u90e8\u5206\u4efb\u52a1\uff0c\u4e3b\u8981\u4ee5IO\u4e3a\u4e3b\u3002\u6bd4\u5982\u5237\u78c1\u76d8\u3001\u8bbf\u95ee\u6570\u636e\u5e93\u3001\u8bbf\u95ee\u7f51\u7edc\u7b49\u3002<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ebf\u7a0b\u7684\u7f3a\u70b9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6027\u80fd\u635f\u5931\uff1a<\/strong> \u4e00\u4e2a\u5f88\u5c11\u88ab\u5916\u90e8\u4e8b\u4ef6\u963b\u585e\u7684\u8ba1\u7b97\u5bc6\u96c6\u578b\u7ebf\u7a0b\u5f80\u5f80\u65e0\u6cd5\u4e0e\u5176\u4ed6\u7ebf\u7a0b\u5171\u4eab\u540c\u4e00\u4e2a\u5904\u7406\u5668\u3002\u5982\u679c\u8ba1\u7b97\u5bc6\u96c6\u578b\u7ebf\u7a0b\u7684\u6570\u91cf\u6bd4\u53ef\u7528\u7684\u5904\u7406\u5668\u591a\uff0c\u90a3\u4e48\u53ef\u80fd\u4f1a\u6709\u8f83\u5927\u7684\u6027\u80fd\u635f\u5931\uff0c\u8fd9\u91cc\u7684\u6027\u80fd\u635f\u5931\u6307\u7684\u662f\u589e\u52a0\u4e86\u989d\u5916\u7684\u540c\u6b65\u548c\u8c03\u5ea6\u5f00\u9500\uff0c\u800c\u53ef\u7528\u7684\u8d44\u6e90\u4e0d\u53d8\u3002<\/li>\n\n\n\n<li><strong>\u5065\u58ee\u6027\u964d\u4f4e\uff1a<\/strong> \u7f16\u5199\u591a\u7ebf\u7a0b\u9700\u8981\u66f4\u5168\u9762\u66f4\u6df1\u5165\u7684\u8003\u8651\uff0c\u5728\u4e00\u4e2a\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u91cc\uff0c\u56e0\u65f6\u95f4\u5206\u914d\u4e0a\u7684\u7ec6\u5fae\u504f\u5dee\u6216\u8005\u56e0\u5171\u4eab\u4e86\u4e0d\u8be5\u5171\u4eab\u7684\u53d8\u91cf\u800c\u9020\u6210\u4e0d\u826f\u5f71\u54cd\u7684\u53ef\u80fd\u6027\u662f\u5f88\u5927\u7684\uff0c\u6362\u53e5\u8bdd\u8bf4\uff0c\u7ebf\u7a0b\u4e4b\u95f4\u662f\u7f3a\u4e4f\u4fdd\u62a4\u7684\u3002<\/li>\n\n\n\n<li><strong>\u7f3a\u4e4f\u8bbf\u95ee\u63a7\u5236\uff1a<\/strong> \u8fdb\u7a0b\u662f\u8bbf\u95ee\u63a7\u5236\u7684\u57fa\u672c\u7c92\u5ea6\uff0c\u5728\u4e00\u4e2a\u7ebf\u7a0b\u4e2d\u8c03\u7528\u67d0\u4e9bOS\u51fd\u6570\u4f1a\u5bf9\u6574\u4e2a\u8fdb\u7a0b\u9020\u6210\u5f71\u54cd\u3002<\/li>\n\n\n\n<li><strong>\u7f16\u7a0b\u96be\u5ea6\u63d0\u9ad8\uff1a<\/strong> \u7f16\u5199\u4e0e\u8c03\u8bd5\u4e00\u4e2a\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u6bd4\u5355\u7ebf\u7a0b\u7a0b\u5e8f\u56f0\u96be\u5f97\u591a\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ebf\u7a0b\u5f02\u5e38<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5355\u4e2a\u7ebf\u7a0b\u5982\u679c\u51fa\u73b0\u9664\u96f6\u3001\u91ce\u6307\u9488\u7b49\u95ee\u9898\u5bfc\u81f4\u7ebf\u7a0b\u5d29\u6e83\uff0c\u8fdb\u7a0b\u4e5f\u4f1a\u968f\u7740\u5d29\u6e83\u3002<\/li>\n\n\n\n<li>\u7ebf\u7a0b\u662f\u8fdb\u7a0b\u7684\u6267\u884c\u5206\u652f\uff0c\u7ebf\u7a0b\u51fa\u5f02\u5e38\uff0c\u5c31\u7c7b\u4f3c\u8fdb\u7a0b\u51fa\u5f02\u5e38\uff0c\u8fdb\u800c\u89e6\u53d1\u4fe1\u53f7\u673a\u5236\uff0c\u7ec8\u6b62\u8fdb\u7a0b\uff0c\u8fdb\u7a0b\u7ec8\u6b62\uff0c\u8be5\u8fdb\u7a0b\u5185\u7684\u6240\u6709\u7ebf\u7a0b\u4e5f\u5c31\u968f\u5373\u9000\u51fa\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ebf\u7a0b\u7528\u9014<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5408\u7406\u7684\u4f7f\u7528\u591a\u7ebf\u7a0b\uff0c\u80fd\u63d0\u9ad8CPU\u5bc6\u96c6\u578b\u7a0b\u5e8f\u7684\u6267\u884c\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u5408\u7406\u7684\u4f7f\u7528\u591a\u7ebf\u7a0b\uff0c\u80fd\u63d0\u9ad8IO\u5bc6\u96c6\u578b\u7a0b\u5e8f\u7684\u7528\u6237\u4f53\u9a8c\uff08\u5982\u751f\u6d3b\u4e2d\u6211\u4eec\u4e00\u8fb9\u5199\u4ee3\u7801\u4e00\u8fb9\u4e0b\u8f7d\u554a\u5f00\u53d1\u5de5\u5177\uff0c\u5c31\u662f\u591a\u7ebf\u7a0b\u8fd0\u884c\u7684\u4e00\u79cd\u8868\u73b0\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Linxu\u8fdb\u7a0b VS \u7ebf\u7a0b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fdb\u7a0b\u548c\u7ebf\u7a0b<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u8fdb\u7a0b\u662f\u627f\u62c5\u5206\u914d\u7cfb\u7edf\u8d44\u6e90\u7684\u57fa\u672c\u5b9e\u4f53\uff0c\u7ebf\u7a0b\u662f\u8c03\u5ea6\u7684\u57fa\u672c\u5355\u4f4d\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>\u7ebf\u7a0b\u5171\u4eab\u8fdb\u7a0b\u6570\u636e\uff0c\u4f46\u4e5f\u62e5\u6709\u81ea\u5df1\u7684\u4e00\u90e8\u5206\u6570\u636e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ebf\u7a0bID\u3002<\/li>\n\n\n\n<li>\u4e00\u7ec4\u5bc4\u5b58\u5668\u3002\uff08\u5b58\u50a8\u6bcf\u4e2a\u7ebf\u7a0b\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\uff09<\/li>\n\n\n\n<li>\u6808\u3002\uff08\u6bcf\u4e2a\u7a0b\u5e8f\u90fd\u6709\u4e34\u65f6\u7684\u6570\u636e\uff0c\u9700\u8981\u538b\u6808\u51fa\u6808\uff09<\/li>\n\n\n\n<li>errno\u3002\uff08C\u8bed\u8a00\u63d0\u4f9b\u7684\u5168\u5c40\u53d8\u91cf\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u6709\u81ea\u5df1\u7684\uff09<\/li>\n\n\n\n<li>\u4fe1\u53f7\u5c4f\u853d\u5b57\u3002<\/li>\n\n\n\n<li>\u8c03\u5ea6\u4f18\u5148\u7ea7\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fdb\u7a0b\u7684\u591a\u4e2a\u7ebf\u7a0b\u5171\u4eab<\/h3>\n\n\n\n<p>\u56e0\u4e3a\u662f\u5728\u540c\u4e00\u4e2a\u5730\u5740\u7a7a\u95f4\uff0c\u56e0\u6b64\u6240\u8c13\u7684\u4ee3\u7801\u6bb5\uff08Text Segment\uff09\u3001\u6570\u636e\u6bb5\uff08Data Segment\uff09\u90fd\u662f\u5171\u4eab\u7684\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u5728\u5404\u7ebf\u7a0b\u4e2d\u90fd\u53ef\u4ee5\u8c03\u7528\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u5b9a\u4e49\u4e00\u4e2a\u5168\u5c40\u53d8\u91cf\uff0c\u5728\u5404\u7ebf\u7a0b\u4e2d\u90fd\u53ef\u4ee5\u8bbf\u95ee\u5230\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9664\u6b64\u4e4b\u5916\uff0c\u5404\u7ebf\u7a0b\u8fd8\u5171\u4eab\u4ee5\u4e0b\u8fdb\u7a0b\u8d44\u6e90\u548c\u73af\u5883\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868\u3002\uff08\u8fdb\u7a0b\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\u540e\uff0c\u5176\u4ed6\u7ebf\u7a0b\u4e5f\u80fd\u591f\u770b\u5230\uff09<\/li>\n\n\n\n<li>\u6bcf\u79cd\u4fe1\u53f7\u7684\u5904\u7406\u65b9\u5f0f\u3002\uff08SIG_IGN\u3001SIG_DFL\u6216\u8005\u81ea\u5b9a\u4e49\u7684\u4fe1\u53f7\u5904\u7406\u51fd\u6570\uff09<\/li>\n\n\n\n<li>\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u3002\uff08cwd\uff09<\/li>\n\n\n\n<li>\u7528\u6237ID\u548c\u7ec4ID\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fdb\u7a0b\u548c\u7ebf\u7a0b\u7684\u5173\u7cfb<\/h3>\n\n\n\n<p>\u8fdb\u7a0b\u548c\u7ebf\u7a0b\u7684\u5173\u7cfb\u5982\u4e0b\u56fe\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_16-168000287298223.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_16-168000287298223.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u5728\u6b64\u4e4b\u524d\u6211\u4eec\u63a5\u89e6\u5230\u7684\u90fd\u662f\u5177\u6709\u4e00\u4e2a\u7ebf\u7a0b\u6267\u884c\u6d41\u7684\u8fdb\u7a0b\uff0c\u5373\u5355\u7ebf\u7a0b\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Linux\u7ebf\u7a0b\u63a7\u5236<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">POSIX\u7ebf\u7a0b\u5e93<\/h3>\n\n\n\n<p>pthread\u7ebf\u7a0b\u5e93\u662f\u5e94\u7528\u5c42\u7684\u539f\u751f\u7ebf\u7a0b\u5e93\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5e94\u7528\u5c42\u6307\u7684\u662f\u8fd9\u4e2a\u7ebf\u7a0b\u5e93\u5e76\u4e0d\u662f\u7cfb\u7edf\u63a5\u53e3\u76f4\u63a5\u63d0\u4f9b\u7684\uff0c\u800c\u662f\u7531\u7b2c\u4e09\u65b9\u5e2e\u6211\u4eec\u63d0\u4f9b\u7684\u3002<\/li>\n\n\n\n<li>\u539f\u751f\u6307\u7684\u662f\u5927\u90e8\u5206Linux\u7cfb\u7edf\u90fd\u4f1a\u9ed8\u8ba4\u5e26\u4e0a\u8be5\u7ebf\u7a0b\u5e93\u3002<\/li>\n\n\n\n<li>\u4e0e\u7ebf\u7a0b\u6709\u5173\u7684\u51fd\u6570\u6784\u6210\u4e86\u4e00\u4e2a\u5b8c\u6574\u7684\u7cfb\u5217\uff0c\u7edd\u5927\u591a\u6570\u51fd\u6570\u7684\u540d\u5b57\u90fd\u662f\u4ee5&#8221;pthread_&#8221;\u6253\u5934\u7684\u3002<\/li>\n\n\n\n<li>\u8981\u4f7f\u7528\u8fd9\u4e9b\u51fd\u6570\u5e93\uff0c\u8981\u901a\u8fc7\u5f15\u5165\u5934\u6587\u4ef6\u3002<\/li>\n\n\n\n<li>\u94fe\u63a5\u8fd9\u4e9b\u7ebf\u7a0b\u51fd\u6570\u5e93\u65f6\uff0c\u8981\u4f7f\u7528\u7f16\u8bd1\u5668\u547d\u4ee4\u7684&#8221;-lpthread&#8221;\u9009\u9879\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9519\u8bef\u68c0\u67e5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f20\u7edf\u7684\u4e00\u4e9b\u51fd\u6570\u662f\uff0c\u6210\u529f\u8fd4\u56de0\uff0c\u5931\u8d25\u8fd4\u56de-1\uff0c\u5e76\u4e14\u5bf9\u5168\u5c40\u53d8\u91cferrno\u8d4b\u503c\u4ee5\u793a\u9519\u8bef\u3002<\/li>\n\n\n\n<li>pthreads\u51fd\u6570\u51fa\u9519\u65f6\u4e0d\u4f1a\u8bbe\u7f6e\u5168\u5c40\u53d8\u91cferrno\uff08\u800c\u5927\u90e8\u5206POSIX\u51fd\u6570\u4f1a\u8fd9\u6837\u505a\uff09\uff0c\u800c\u662f\u5c06\u9519\u8bef\u4ee3\u7801\u901a\u8fc7\u8fd4\u56de\u503c\u8fd4\u56de\u3002<\/li>\n\n\n\n<li>pthreads\u540c\u6837\u4e5f\u63d0\u4f9b\u4e86\u7ebf\u7a0b\u5185\u7684errno\u53d8\u91cf\uff0c\u4ee5\u652f\u6301\u5176\u4ed6\u4f7f\u7528errno\u7684\u4ee3\u7801\u3002\u5bf9\u4e8epthreads\u51fd\u6570\u7684\u9519\u8bef\uff0c\u5efa\u8bae\u901a\u8fc7\u8fd4\u56de\u503c\u6765\u5224\u5b9a\uff0c\u56e0\u4e3a\u8bfb\u53d6\u8fd4\u56de\u503c\u8981\u6bd4\u8bfb\u53d6\u7ebf\u7a0b\u5185\u7684errno\u53d8\u91cf\u7684\u5f00\u9500\u66f4\u5c0f\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ebf\u7a0b\u521b\u5efa<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u521b\u5efa\u7ebf\u7a0b\u7684\u51fd\u6570\u53eb\u505apthread_create<\/p>\n<\/blockquote>\n\n\n\n<p>pthread_create\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int pthread_create(pthread_t* thread,const pthread_attr_t* attr,void* (*start_routine) (void*),void*arg);<\/code><\/pre>\n\n\n\n<p>\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>thread\uff1a\u83b7\u53d6\u521b\u5efa\u6210\u529f\u7684\u7ebf\u7a0bID\uff0c\u8be5\u53c2\u6570\u662f\u4e00\u4e2a\u8f93\u51fa\u578b\u53c2\u6570\u3002<\/li>\n\n\n\n<li>attr\uff1a\u7528\u4e8e\u8bbe\u7f6e\u521b\u5efa\u7ebf\u7a0b\u7684\u5c5e\u6027\uff0c\u4f20\u5165NULL\u8868\u793a\u4f7f\u7528\u9ed8\u8ba4\u5c5e\u6027\u3002<\/li>\n\n\n\n<li>start_routine\uff1a\u8be5\u53c2\u6570\u662f\u4e00\u4e2a\u51fd\u6570\u6307\u9488\uff0c\u8868\u793a\u7ebf\u7a0b\u4f8b\u7a0b\uff0c\u5373\u7ebf\u7a0b\u542f\u52a8\u540e\u8981\u6267\u884c\u7684\u51fd\u6570\u3002<\/li>\n\n\n\n<li>arg\uff1a\u4f20\u7ed9\u7ebf\u7a0b\u4f8b\u7a0b\u7684\u53c2\u6570\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>\u7ebf\u7a0b\u521b\u5efa\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>\u8ba9\u4e3b\u7ebf\u7a0b\u521b\u5efa\u4e00\u4e2a\u65b0\u7ebf\u7a0b<\/p>\n<\/blockquote>\n\n\n\n<p>\u5f53\u4e00\u4e2a\u7a0b\u5e8f\u542f\u52a8\u540e\uff0c\u5c31\u6709\u4e00\u4e2a\u8fdb\u7a0b\u88ab\u64cd\u4f5c\u7cfb\u7edf\u521b\u5efa\uff0c\u4e0e\u6b64\u540c\u65f6\u4e00\u4e2a\u7ebf\u7a0b\u4e5f\u7acb\u5373\u8fd0\u884c\uff0c\u8fd9\u4e2a\u7ebf\u7a0b\u5c31\u53eb\u505a\u4e3b\u7ebf\u7a0b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e3b\u7ebf\u7a0b\u662f\u4ea7\u751f\u5176\u4ed6\u5b50\u7ebf\u7a0b\u7684\u7ebf\u7a0b\u3002<\/li>\n\n\n\n<li>\u901a\u5e38\u4e3b\u7ebf\u7a0b\u5fc5\u987b\u6700\u540e\u5b8c\u6210\u67d0\u4e9b\u6267\u884c\u64cd\u4f5c\uff0c\u6bd4\u5982\u5404\u79cd\u5173\u95ed\u52a8\u4f5c\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4e0b\u9762\u6211\u4eec\u8ba9\u4e3b\u7ebf\u7a0b\u8c03\u7528pthread_create\u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u65b0\u7ebf\u7a0b\uff0c\u6b64\u540e\u65b0\u7ebf\u7a0b\u5c31\u4f1a\u8dd1\u53bb\u6267\u884c\u81ea\u5df1\u7684\u65b0\u4f8b\u7a0b\uff0c\u800c\u4e3b\u7ebf\u7a0b\u5219\u7ee7\u7eed\u6267\u884c\u540e\u7eed\u4ee3\u7801\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\nvoid* Routine(void* arg)\n{\n    char* msg = (char*)arg;\n    while (1){\n        printf(\"I am %s\\n\", msg);\n        sleep(1);\n    }\n}\nint main()\n{\n    pthread_t tid;\n    pthread_create(&amp;tid, NULL, Routine, (void*)\"thread 1\");\n    while (1){\n        printf(\"I am main thread!\\n\");\n        sleep(2);\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u4ee3\u7801\u540e\u53ef\u4ee5\u770b\u5230\uff0c\u65b0\u7ebf\u7a0b\u6bcf\u9694\u4e00\u79d2\u6267\u884c\u4e00\u6b21\u6253\u5370\u64cd\u4f5c\uff0c\u800c\u4e3b\u7ebf\u7a0b\u6bcf\u9694\u4e24\u79d2\u6267\u884c\u4e00\u6b21\u6253\u5370\u64cd\u4f5c\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_16-168000684273626.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_16-168000684273626.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u5f53\u6211\u4eec\u7528<code>ps axj<\/code>\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u8fdb\u7a0b\u7684\u4fe1\u606f\u65f6\uff0c\u867d\u7136\u6b64\u65f6\u8be5\u8fdb\u7a0b\u4e2d\u6709\u4e24\u4e2a\u7ebf\u7a0b\uff0c\u4f46\u662f\u6211\u4eec\u770b\u5230\u7684\u8fdb\u7a0b\u53ea\u6709\u4e00\u4e2a\uff0c\u56e0\u4e3a\u8fd9\u4e24\u4e2a\u7ebf\u7a0b\u90fd\u662f\u5c5e\u4e8e\u540c\u4e00\u4e2a\u8fdb\u7a0b\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_16-168000697770029.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_16-168000697770029.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u4f7f\u7528<code>ps -aL<\/code>\u547d\u4ee4\uff0c\u53ef\u4ee5\u663e\u793a\u5f53\u524d\u7684\u8f7b\u91cf\u7ea7\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u4e0d\u5e26<code>-L<\/code>\uff0c\u770b\u5230\u7684\u5c31\u662f\u4e00\u4e2a\u4e2a\u7684\u8fdb\u7a0b\u3002<\/li>\n\n\n\n<li>\u5e26<code>-L<\/code>\u5c31\u53ef\u4ee5\u67e5\u770b\u5230\u6bcf\u4e2a\u8fdb\u7a0b\u5185\u7684\u591a\u4e2a\u8f7b\u91cf\u7ea7\u8fdb\u7a0b\u3002<\/li>\n<\/ul>\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_16-168000711217232.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_16-168000711217232.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u5176\u4e2d\uff0cLWP\uff08Light Weight Process\uff09\u5c31\u662f\u8f7b\u91cf\u7ea7\u8fdb\u7a0b\u7684ID\uff0c\u53ef\u4ee5\u770b\u5230\u663e\u793a\u7684\u4e24\u4e2a\u8f7b\u91cf\u7ea7\u8fdb\u7a0b\u7684PID\u662f\u76f8\u540c\u7684\uff0c\u56e0\u4e3a\u5b83\u4eec\u5c5e\u4e8e\u540c\u4e00\u4e2a\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u5728Linux\u4e2d\uff0c\u5e94\u7528\u5c42\u7684\u7ebf\u7a0b\u4e0e\u5185\u6838\u7684LWP\u662f\u4e00\u4e00\u5bf9\u5e94\u7684\uff0c\u5b9e\u9645\u4e0a\u64cd\u4f5c\u7cfb\u7edf\u8c03\u5ea6\u7684\u65f6\u5019\u91c7\u7528\u7684\u662fLWP\uff0c\u800c\u5e76\u975ePID\uff0c\u53ea\u4e0d\u8fc7\u6211\u4eec\u4e4b\u524d\u63a5\u89e6\u5230\u7684\u90fd\u662f\u5355\u7ebf\u7a0b\u8fdb\u7a0b\uff0c\u5176PID\u548cLWP\u662f\u76f8\u7b49\u7684\uff0c\u6240\u4ee5\u5bf9\u4e8e\u5355\u7ebf\u7a0b\u8fdb\u7a0b\u6765\u8bf4\uff0c\u8c03\u5ea6\u65f6\u91c7\u7528PLD\u548cLWP\u662f\u4e00\u6837\u7684\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u8fdb\u4e00\u6b65\u8bc1\u660e\u8fd9\u4e24\u4e2a\u7ebf\u7a0b\u662f\u5c5e\u4e8e\u540c\u4e00\u4e2a\u8fdb\u7a0b\u7684\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba9\u4e3b\u7ebf\u7a0b\u548c\u65b0\u7ebf\u7a0b\u5728\u6267\u884c\u6253\u5370\u64cd\u4f5c\u65f6\uff0c\u5c06\u81ea\u5df1\u7684PID\u548cPPID\u4e5f\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#include &lt;sys\/types.h&gt;\n\nvoid* Routine(void* arg)\n{\n    char* msg = (char*)arg;\n    while (1){\n        printf(\"I am %s...pid: %d, ppid: %d\\n\", msg, getpid(), getppid());\n        sleep(1);\n    }\n}\nint main()\n{\n    pthread_t tid;\n    pthread_create(&amp;tid, NULL, Routine, (void*)\"thread 1\");\n    while (1){\n        printf(\"I am main thread...pid: %d, ppid: %d\\n\", getpid(), getppid());\n        sleep(2);\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\u4e3b\u7ebf\u7a0b\u548c\u65b0\u7ebf\u7a0b\u7684PID\u548cPPID\u662f\u4e00\u6837\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\u4e3b\u7ebf\u7a0b\u548c\u65b0\u7ebf\u7a0b\u867d\u7136\u662f\u4e24\u4e2a\u6267\u884c\u6d41\uff0c\u4f46\u5b83\u4eec\u4ecd\u7136\u5c5e\u4e8e\u540c\u4e00\u4e2a\u8fdb\u7a0b\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_16-168000751779235.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_16-168000751779235.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>\u8ba9\u4e3b\u7ebf\u7a0b\u521b\u5efa\u4e00\u6279\u65b0\u7ebf\u7a0b<\/p>\n<\/blockquote>\n\n\n\n<p>\u4e0a\u9762\u662f\u8ba9\u4e3b\u7ebf\u7a0b\u521b\u5efa\u4e00\u4e2a\u65b0\u7ebf\u7a0b\uff0c\u4e0b\u9762\u6211\u4eec\u8ba9\u4e3b\u7ebf\u7a0b\u4e00\u6b21\u6027\u521b\u5efa\u4e94\u4e2a\u65b0\u7ebf\u7a0b\uff0c\u5e76\u8ba9\u521b\u5efa\u7684\u6bcf\u4e00\u4e2a\u65b0\u7ebf\u7a0b\u90fd\u53bb\u6267\u884cRoutine\u51fd\u6570\uff0c\u4e5f\u5c31\u662f\u8bf4Routine\u51fd\u6570\u4f1a\u88ab\u91cd\u590d\u8fdb\u5165\uff0c\u5373\u8be5\u51fd\u6570\u662f\u4f1a\u88ab\u91cd\u5165\u7684\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;pthread.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;sys\/types.h&gt;\n\nvoid* Routine(void* arg)\n{\n    char* msg = (char*)arg;\n    while (1){\n        printf(\"I am %s...pid: %d, ppid: %d\\n\", msg, getpid(), getppid());\n        sleep(1);\n    }\n}\nint main()\n{\n    pthread_t tid&#91;5];\n    for (int i = 0; i &lt; 5; i++){\n        char* buffer = (char*)malloc(64);\n        sprintf(buffer, \"thread %d\", i);\n        pthread_create(&amp;tid&#91;i], NULL, Routine, buffer);\n    }\n    while (1){\n        printf(\"I am main thread...pid: %d, ppid: %d\\n\", getpid(), getppid());\n        sleep(2);\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u4ee3\u7801\uff0c\u53ef\u4ee5\u770b\u5230\u8fd9\u4e94\u4e2a\u65b0\u7ebf\u7a0b\u662f\u521b\u5efa\u6210\u529f\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_16-168001868856838.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_16-168001868856838.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u56e0\u4e3a\u4e3b\u7ebf\u7a0b\u548c\u4e94\u4e2a\u65b0\u7ebf\u7a0b\u90fd\u5c5e\u4e8e\u540c\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u6240\u4ee5\u5b83\u4eec\u7684PID\u548cPPID\u4e5f\u90fd\u662f\u4e00\u6837\u7684\u3002<\/p>\n\n\n\n<p>\u6b64\u65f6\u6211\u4eec\u518d\u7528<code>ps -aL<\/code>\u547d\u4ee4\u67e5\u770b\uff0c\u5c31\u4f1a\u770b\u5230\u516d\u4e2a\u8f7b\u91cf\u7ea7\u8fdb\u7a0b\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_16-168001871886544.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_16-168001871886544.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>\u83b7\u53d6\u7ebf\u7a0bID<\/p>\n<\/blockquote>\n\n\n\n<p>\u5e38\u89c1\u83b7\u53d6\u7ebf\u7a0bID\u7684\u65b9\u5f0f\u6709\u4e24\u79cd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u521b\u5efa\u7ebf\u7a0b\u65f6\u901a\u8fc7\u8f93\u51fa\u578b\u53c2\u6570\u83b7\u5f97\u3002<\/li>\n\n\n\n<li>\u901a\u8fc7\u8c03\u7528pthread_self\u51fd\u6570\u83b7\u5f97\u3002<\/li>\n<\/ul>\n\n\n\n<p>pthread_self\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pthread_t pthread_self(void);<\/code><\/pre>\n\n\n\n<p>\u8c03\u7528pthread_self\u51fd\u6570\u5373\u53ef\u83b7\u5f97\u5f53\u524d\u8fdb\u7a0b\u7684ID\uff0c\u7c7b\u4f3c\u4e8e\u8c03\u7528getpid\u51fd\u6570\u83b7\u53d6\u5f53\u524d\u8fdb\u7a0b\u7684ID\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u4ee3\u7801\u4e2d\u5728\u6bcf\u4e00\u4e2a\u65b0\u7ebf\u7a0b\u88ab\u521b\u5efa\u540e\uff0c\u4e3b\u7ebf\u7a0b\u90fd\u5c06\u901a\u8fc7\u8f93\u51fa\u578b\u53c2\u6570\u83b7\u53d6\u5230\u7684\u7ebf\u7a0bID\u8fdb\u884c\u6253\u5370\uff0c\u6b64\u540e\u4e3b\u7ebf\u7a0b\u548c\u65b0\u7ebf\u7a0b\u53c8\u901a\u8fc7\u8c03\u7528pthread_self\u51fd\u6570\u83b7\u53d6\u5230\u81ea\u8eab\u7684\u7ebf\u7a0bID\u8fdb\u884c\u6253\u5370\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;pthread.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;sys\/types.h&gt;\n\nvoid* Routine(void* arg)\n{\n    char* msg = (char*)arg;\n    while (1){\n        printf(\"I am %s...pid: %d, ppid: %d, tid: %lu\\n\", msg, getpid(), getppid(), pthread_self());\n        sleep(1);\n    }\n}\nint main()\n{\n    pthread_t tid&#91;5];\n    for (int i = 0; i &lt; 5; i++){\n        char* buffer = (char*)malloc(64);\n        sprintf(buffer, \"thread %d\", i);\n        pthread_create(&amp;tid&#91;i], NULL, Routine, buffer);\n        printf(\"%s tid is %lu\\n\", buffer, tid&#91;i]);\n    }\n    while (1){\n         printf(\"I am main thread...pid: %d, ppid: %d, tid: %lu\\n\", getpid(), getppid(), pthread_self());\n         sleep(2);\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u4ee3\u7801\uff0c\u53ef\u4ee5\u770b\u5230\u8fd9\u4e24\u79cd\u65b9\u5f0f\u83b7\u53d6\u5230\u7684\u7ebf\u7a0b\u7684ID\u662f\u4e00\u6837\u7684\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/20260324134648401.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/20260324134648401.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u7528pthread_self\u51fd\u6570\u83b7\u5f97\u7684\u7ebf\u7a0bID\u4e0e\u5185\u6838\u7684LWP\u7684\u503c\u662f\u4e0d\u60f3\u7b49\u7684\uff0cpthread_self\u51fd\u6570\u83b7\u5f97\u7684\u662f\u7528\u6237\u7ea7\u539f\u751f\u7ebf\u7a0b\u5e93\u7684\u7ebf\u7a0bID\uff0c\u800cLWP\u662f\u5185\u6838\u7684\u8f7b\u91cf\u7ea7\u8fdb\u7a0bID\uff0c\u5b83\u4eec\u4e4b\u95f4\u662f\u4e00\u5bf9\u4e00\u7684\u5173\u7cfb\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ebf\u7a0b\u7b49\u5f85<\/h3>\n\n\n\n<p>\u9996\u5148\u9700\u8981\u660e\u786e\u7684\u662f\uff0c\u4e00\u4e2a\u7ebf\u7a0b\u88ab\u521b\u5efa\u51fa\u6765\uff0c\u8fd9\u4e2a\u7ebf\u7a0b\u5c31\u5982\u540c\u8fdb\u7a0b\u4e00\u822c\uff0c\u4e5f\u662f\u9700\u8981\u88ab\u7b49\u5f85\u7684\u3002\u5982\u679c\u4e3b\u7ebf\u7a0b\u4e0d\u5bf9\u65b0\u7ebf\u7a0b\u8fdb\u884c\u7b49\u5f85\uff0c\u90a3\u4e48\u8fd9\u4e2a\u65b0\u7ebf\u7a0b\u7684\u8d44\u6e90\u4e5f\u662f\u4e0d\u4f1a\u88ab\u56de\u6536\u7684\u3002\u6240\u4ee5\u7ebf\u7a0b\u9700\u8981\u88ab\u7b49\u5f85\uff0c\u5982\u679c\u4e0d\u7b49\u5f85\u4f1a\u4ea7\u751f\u7c7b\u4f3c\u4e8e\u201c\u50f5\u5c38\u8fdb\u7a0b\u201d\u7684\u95ee\u9898\uff0c\u4e5f\u5c31\u662f\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u7b49\u5f85\u7ebf\u7a0b\u7684\u51fd\u6570\u53eb\u505apthread_join<\/p>\n<\/blockquote>\n\n\n\n<p>pthread_join\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int pthread_join(pthread_t thread, void** retval);<\/code><\/pre>\n\n\n\n<p>\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>thread\uff1a\u88ab\u7b49\u5f85\u7ebf\u7a0b\u7684ID\u3002<\/li>\n\n\n\n<li>retval\uff1a\u7ebf\u7a0b\u9000\u51fa\u65f6\u9000\u51fa\u7801\u4fe1\u606f\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>\u7ebf\u7a0b\u7b49\u5f85\u6210\u529f\u8fd4\u56de0\uff0c\u5931\u8d25\u8fd4\u56de\u9519\u8bef\u7801\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8c03\u7528\u8be5\u51fd\u6570\u7684\u7ebf\u7a0b\u5c06\u6302\u8d77\u7b49\u5f85\uff0c\u76f4\u5230ID\u4e3athread\u7684\u7ebf\u7a0b\u7ec8\u6b62\uff0cthread\u7ebf\u7a0b\u4ee5\u4e0d\u540c\u7684\u65b9\u6cd5\u7ec8\u6b62\uff0c\u901a\u8fc7pthread_join\u5f97\u5230\u7684\u7ec8\u6b62\u72b6\u6001\u662f\u4e0d\u540c\u7684\u3002<\/p>\n\n\n\n<p><strong>\u603b\u7ed3\u5982\u4e0b\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5982\u679cthread\u7ebf\u7a0b\u901a\u8fc7return\u8fd4\u56de\uff0cretval\u6240\u6307\u5411\u7684\u5355\u5143\u91cc\u5b58\u653e\u7684\u662fthread\u7ebf\u7a0b\u51fd\u6570\u7684\u8fd4\u56de\u503c\u3002<\/li>\n\n\n\n<li>\u5982\u679cthread\u7ebf\u7a0b\u88ab\u522b\u7684\u7ebf\u7a0b\u8c03\u7528pthread_cancel\u5f02\u5e38\u7ec8\u6b62\u6389\uff0cretval\u6240\u6307\u5411\u7684\u5355\u5143\u91cc\u5b58\u653e\u7684\u662f\u5e38\u6570PTHREAD_CANCELED\u3002<\/li>\n\n\n\n<li>\u5982\u679cthread\u7ebf\u7a0b\u662f\u81ea\u5df1\u8c03\u7528pthread_exit\u7ec8\u6b62\u7684\uff0cretval\u6240\u6307\u5411\u7684\u5355\u5143\u5b58\u653e\u7684\u662f\u4f20\u7ed9pthread_exit\u7684\u53c2\u6570\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u5bf9thread\u7ebf\u7a0b\u7684\u7ec8\u6b62\u72b6\u6001\u4e0d\u611f\u5174\u8da3\uff0c\u53ef\u4ee5\u4f20NULL\u7ed9retval\u53c2\u6570\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u7528<code>grep<\/code>\u547d\u4ee4\u8fdb\u884c\u67e5\u627e\uff0c\u53ef\u4ee5\u53d1\u73b0PTHREAD_CANCELED\u5b9e\u9645\u4e0a\u5c31\u662f\u5934\u6587\u4ef6\u91cc\u9762\u7684\u4e00\u4e2a\u5b8f\u5b9a\u4e49\uff0c\u5b83\u7684\u503c\u672c\u8d28\u5c31\u662f-1\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>grep -ER \"PTHREAD_CANCELED\" \/usr\/include\/<\/code><\/pre>\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_16-16800704853633.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_16-16800704853633.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5728\u4e0b\u9762\u7684\u4ee3\u7801\u4e2d\u6211\u4eec\u5148\u4e0d\u5173\u5fc3\u7ebf\u7a0b\u7684\u9000\u51fa\u72b6\u6001\uff0c\u76f4\u63a5\u5c06pthread_join\u51fd\u6570\u7684\u7b2c\u4e8c\u6b21\u53c2\u6570\u8bbe\u7f6e\u4e3aNULL\uff0c\u7b49\u5f85\u7ebf\u7a0b\u540e\u6253\u5370\u8be5\u7ebf\u7a0b\u7684\u7f16\u53f7\u4ee5\u53ca\u7ebf\u7a0bID\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;pthread.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;sys\/types.h&gt;\n\nvoid* Routine(void* arg)\n{\n    char* msg = (char*)arg;\n    int count = 0;\n    while (count &lt; 5){\n        printf(\"I am %s...pid: %d, ppid: %d, tid: %lu\\n\", msg, getpid(), getppid(), pthread_self());\n        sleep(1);\n        count++;\n    }\n    return NULL;\n}\nint main()\n{\n    pthread_t tid&#91;5];\n    for (int i = 0; i &lt; 5; i++){\n        char* buffer = (char*)malloc(64);\n        sprintf(buffer, \"thread %d\", i);\n        pthread_create(&amp;tid&#91;i], NULL, Routine, buffer);\n        printf(\"%s tid is %lu\\n\", buffer, tid&#91;i]);\n    }\n    printf(\"I am main thread...pid: %d, ppid: %d, tid: %lu\\n\", getpid(), getppid(), pthread_self());\n    for (int i = 0; i &lt; 5; i++){\n        pthread_join(tid&#91;i], NULL);\n        printf(\"thread %d&#91;%lu]...quit\\n\", i, tid&#91;i]);\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u4ee3\u7801\u540e\uff0c\u53ef\u4ee5\u770b\u5230\u4e3b\u7ebf\u7a0b\u521b\u5efa\u7684\u4e94\u4e2a\u65b0\u7ebf\u7a0b\u5728\u8fdb\u884c\u4e94\u6b21\u6253\u5370\u64cd\u4f5c\u540e\u5c31\u9000\u51fa\u4e86\uff0c\u800c\u4e3b\u7ebf\u7a0b\u4e5f\u662f\u6210\u529f\u5bf9\u8fd9\u4e94\u4e2a\u7ebf\u7a0b\u8fdb\u884c\u4e86\u7b49\u5f85\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_16-16800712819236.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_16-16800712819236.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u4e0b\u9762\u6211\u4eec\u518d\u6765\u770b\u770b\u5982\u4f55\u83b7\u53d6\u7ebf\u7a0b\u9000\u51fa\u65f6\u7684\u9000\u51fa\u7801\uff0c\u4e3a\u4e86\u4fbf\u4e8e\u67e5\u770b\uff0c\u6211\u4eec\u8fd9\u91cc\u5c06\u7ebf\u7a0b\u9000\u51fa\u65f6\u7684\u9000\u51fa\u7801\u8bbe\u7f6e\u4e3a\u67d0\u4e2a\u7279\u6b8a\u7684\u503c\uff0c\u5e76\u5728\u6210\u529f\u7b49\u5f85\u7ebf\u7a0b\u540e\u5c06\u8be5\u7ebf\u7a0b\u7684\u9000\u51fa\u7801\u8fdb\u884c\u8f93\u51fa\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;pthread.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;sys\/types.h&gt;\n\nvoid* Routine(void* arg)\n{\n    char* msg = (char*)arg;\n    int count = 0;\n    while (count &lt; 5){\n        printf(\"I am %s...pid: %d, ppid: %d, tid: %lu\\n\", msg, getpid(), getppid(), pthread_self());\n        sleep(1);\n        count++;\n    }\n    return (void*)2022;\n}\nint main()\n{\n    pthread_t tid&#91;5];\n    for (int i = 0; i &lt; 5; i++){\n        char* buffer = (char*)malloc(64);\n        sprintf(buffer, \"thread %d\", i);\n        pthread_create(&amp;tid&#91;i], NULL, Routine, buffer);\n        printf(\"%s tid is %lu\\n\", buffer, tid&#91;i]);\n    }\n    printf(\"I am main thread...pid: %d, ppid: %d, tid: %lu\\n\", getpid(), getppid(), pthread_self());\n    for (int i = 0; i &lt; 5; i++){\n        void* ret = NULL;\n        pthread_join(tid&#91;i], &amp;ret);\n        printf(\"thread %d&#91;%lu]...quit, exitcode: %d\\n\", i, tid&#91;i], (int)ret);\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u4ee3\u7801\uff0c\u6b64\u65f6\u6211\u4eec\u5c31\u62ff\u5230\u4e86\u6bcf\u4e2a\u7ebf\u7a0b\u9000\u51fa\u65f6\u7684\u9000\u51fa\u7801\u4fe1\u606f\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_16-16800718872279.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_16-16800718872279.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a<\/strong> pthread_join\u51fd\u6570\u9ed8\u8ba4\u662f\u4ee5\u963b\u585e\u7684\u65b9\u5f0f\u8fdb\u884c\u7ebf\u7a0b\u7b49\u5f85\u7684\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e3a\u4ec0\u4e48\u7ebf\u7a0b\u9000\u51fa\u65f6\u53ea\u80fd\u62ff\u5230\u7ebf\u7a0b\u7684\u9000\u51fa\u7801\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u5982\u679c\u6211\u4eec\u7b49\u5f85\u7684\u662f\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u90a3\u4e48\u5f53\u8fd9\u4e2a\u8fdb\u7a0b\u9000\u51fa\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7wait\u51fd\u6570\u6216\u662fwaitpid\u51fd\u6570\u7684\u8f93\u51fa\u578b\u53c2\u6570status\uff0c\u83b7\u53d6\u5230\u9000\u51fa\u8fdb\u7a0b\u7684\u9000\u51fa\u7801\u3001\u9000\u51fa\u4fe1\u53f7\u4ee5\u53cacore dump\u6807\u5fd7\u3002<\/p>\n\n\n\n<p>\u90a3\u4e3a\u4ec0\u4e48\u7b49\u5f85\u7ebf\u7a0b\u65f6\u6211\u4eec\u53ea\u80fd\u62ff\u5230\u9000\u51fa\u7ebf\u7a0b\u7684\u9000\u51fa\u7801\uff1f\u96be\u9053\u7ebf\u7a0b\u4e0d\u4f1a\u51fa\u73b0\u5f02\u5e38\u5417\uff1f<\/p>\n\n\n\n<p>\u7ebf\u7a0b\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u5f53\u7136\u4e5f\u4f1a\u51fa\u73b0\u5f02\u5e38\uff0c\u7ebf\u7a0b\u548c\u8fdb\u7a0b\u4e00\u6837\uff0c\u7ebf\u7a0b\u9000\u51fa\u7684\u60c5\u51b5\u4e5f\u6709\u4e09\u79cd\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4ee3\u7801\u8fd0\u884c\u5b8c\u6bd5\uff0c\u7ed3\u679c\u6b63\u786e\u3002<\/li>\n\n\n\n<li>\u4ee3\u7801\u8fd0\u884c\u5b8c\u6bd5\uff0c\u7ed3\u679c\u4e0d\u6b63\u786e\u3002<\/li>\n\n\n\n<li>\u4ee3\u7801\u5f02\u5e38\u7ec8\u6b62\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u56e0\u6b64\u6211\u4eec\u4e5f\u9700\u8981\u8003\u8651\u7ebf\u7a0b\u5f02\u5e38\u7ec8\u6b62\u7684\u60c5\u51b5\uff0c\u4f46\u662fpthread_join\u51fd\u6570\u65e0\u6cd5\u83b7\u53d6\u5230\u7ebf\u7a0b\u5f02\u5e38\u9000\u51fa\u65f6\u7684\u4fe1\u606f\u3002\u56e0\u4e3a\u7ebf\u7a0b\u662f\u8fdb\u7a0b\u5185\u7684\u4e00\u4e2a\u6267\u884c\u5206\u652f\uff0c\u5982\u679c\u8fdb\u7a0b\u4e2d\u7684\u67d0\u4e2a\u7ebf\u7a0b\u5d29\u6e83\u4e86\uff0c\u90a3\u4e48\u6574\u4e2a\u8fdb\u7a0b\u4e5f\u4f1a\u56e0\u6b64\u800c\u5d29\u6e83\uff0c\u6b64\u65f6\u6211\u4eec\u6839\u672c\u6ca1\u529e\u6cd5\u6267\u884cpthread_join\u51fd\u6570\uff0c\u56e0\u4e3a\u6574\u4e2a\u8fdb\u7a0b\u5df2\u7ecf\u9000\u51fa\u4e86\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u6211\u4eec\u5728\u7ebf\u7a0b\u7684\u6267\u884c\u4f8b\u7a0b\u5f53\u4e2d\u5236\u9020\u4e00\u4e2a\u9664\u96f6\u9519\u8bef\uff0c\u5f53\u67d0\u4e00\u7ebf\u7a0b\u6267\u884c\u5230\u6b64\u5904\u4f7f\u5c31\u4f1a\u5d29\u6e83\uff0c\u8fdb\u800c\u5bfc\u81f4\u6574\u4e2a\u8fdb\u7a0b\u5d29\u6e83\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;pthread.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;sys\/types.h&gt;\n\nvoid* Routine(void* arg)\n{\n    char* msg = (char*)arg;\n    int count = 0;\n    while (count &lt; 5){\n        printf(\"I am %s...pid: %d, ppid: %d, tid: %lu\\n\", msg, getpid(), getppid(), pthread_self());\n        sleep(1);\n        count++;\n        int a = 1 \/ 0; \/\/error\n    }\n    return (void*)2022;\n}\nint main()\n{\n    pthread_t tid&#91;5];\n    for (int i = 0; i &lt; 5; i++){\n        char* buffer = (char*)malloc(64);\n        sprintf(buffer, \"thread %d\", i);\n        pthread_create(&amp;tid&#91;i], NULL, Routine, buffer);\n        printf(\"%s tid is %lu\\n\", buffer, tid&#91;i]);\n    }\n    printf(\"I am main thread...pid: %d, ppid: %d, tid: %lu\\n\", getpid(), getppid(), pthread_self());\n    for (int i = 0; i &lt; 5; i++){\n        void* ret = NULL;\n        pthread_join(tid&#91;i], &amp;ret);\n        printf(\"thread %d&#91;%lu]...quit, exitcode: %d\\n\", i, tid&#91;i], (int)ret);\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u4ee3\u7801\uff0c\u53ef\u4ee5\u770b\u5230\u4e00\u65e6\u67d0\u4e2a\u7ebf\u7a0b\u5d29\u6e83\u4e86\uff0c\u6574\u4e2a\u8fdb\u7a0b\u4e5f\u5c31\u8ddf\u7740\u6302\u6389\u4e86\uff0c\u6b64\u65f6\u4e3b\u7ebf\u7a0b\u8fde\u7b49\u5f85\u65b0\u7ebf\u7a0b\u7684\u673a\u4f1a\u90fd\u6ca1\u6709\uff0c\u8fd9\u4e5f\u8bf4\u660e\u4e86\u591a\u7ebf\u7a0b\u7684\u5065\u58ee\u6027\u4e0d\u592a\u5f3a\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u4e2d\u53ea\u8981\u6709\u4e00\u4e2a\u7ebf\u7a0b\u6302\u6389\u4e86\uff0c\u90a3\u4e48\u6574\u4e2a\u8fdb\u7a0b\u5c31\u6302\u6389\u4e86\u3002\u5e76\u4e14\u6b64\u65f6\u6211\u4eec\u4e5f\u4e0d\u77e5\u9053\u662f\u7531\u4e8e\u54ea\u4e00\u4e2a\u7ebf\u7a0b\u5d29\u6e83\u5bfc\u81f4\u7684\uff0c\u6211\u4eec\u53ea\u77e5\u9053\u662f\u8fd9\u4e2a\u8fdb\u7a0b\u5d29\u6e83\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_16-168007297772412.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_16-168007297772412.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6240\u4ee5pthread_join\u51fd\u6570\u53ea\u80fd\u83b7\u53d6\u5230\u7ebf\u7a0b\u6b63\u5e38\u9000\u51fa\u65f6\u7684\u9000\u51fa\u7801\uff0c\u7528\u4e8e\u5224\u65ad\u7ebf\u7a0b\u7684\u8fd0\u884c\u7ed3\u679c\u662f\u5426\u6b63\u786e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ebf\u7a0b\u7ec8\u6b62<\/h3>\n\n\n\n<p>\u5982\u679c\u9700\u8981\u53ea\u7ec8\u6b62\u67d0\u4e2a\u7ebf\u7a0b\u800c\u4e0d\u662f\u7ec8\u6b62\u6574\u4e2a\u8fdb\u7a0b\uff0c\u53ef\u4ee5\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4ece\u7ebf\u7a0b\u51fd\u6570return\u3002<\/li>\n\n\n\n<li>\u7ebf\u7a0b\u53ef\u4ee5\u81ea\u5df1\u8c03\u7528pthread_exit\u51fd\u6570\u7ec8\u6b62\u81ea\u5df1\u3002<\/li>\n\n\n\n<li>\u4e00\u4e2a\u7ebf\u7a0b\u53ef\u4ee5\u8c03\u7528pthread_cancel\u51fd\u6570\u7ec8\u6b62\u540c\u4e00\u8fdb\u7a0b\u4e2d\u7684\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u3002<\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>return\u9000\u51fa<\/p>\n<\/blockquote>\n\n\n\n<p>\u5728\u7ebf\u7a0b\u4e2d\u4f7f\u7528return\u4ee3\u8868\u5f53\u524d\u7ebf\u7a0b\u9000\u51fa\uff0c\u4f46\u662f\u5728main\u51fd\u6570\u4e2d\u4f7f\u7528return\u4ee3\u8868\u6574\u4e2a\u8fdb\u7a0b\u9000\u51fa\uff0c\u4e5f\u5c31\u662f\u8bf4\u53ea\u8981\u4e3b\u7ebf\u7a0b\u9000\u51fa\u4e86\u90a3\u4e48\u6574\u4e2a\u8fdb\u7a0b\u5c31\u9000\u51fa\u4e86\uff0c\u6b64\u65f6\u8be5\u8fdb\u7a0b\u66fe\u7ecf\u7533\u8bf7\u7684\u8d44\u6e90\u5c31\u4f1a\u88ab\u91ca\u653e\uff0c\u800c\u5176\u4ed6\u7ebf\u7a0b\u4f1a\u56e0\u4e3a\u6ca1\u6709\u4e86\u8d44\u6e90\uff0c\u81ea\u7136\u800c\u7136\u7684\u4e5f\u9000\u51fa\u4e86\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5728\u4e0b\u9762\u4ee3\u7801\u4e2d\uff0c\u4e3b\u7ebf\u7a0b\u521b\u5efa\u4e94\u4e2a\u65b0\u7ebf\u7a0b\u540e\u7acb\u5373\u8fdb\u884creturn\uff0c\u90a3\u4e48\u6574\u4e2a\u8fdb\u7a0b\u4e5f\u5c31\u9000\u51fa\u4e86\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;pthread.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;sys\/types.h&gt;\n\nvoid* Routine(void* arg)\n{\n    char* msg = (char*)arg;\n    while (1){\n        printf(\"I am %s...pid: %d, ppid: %d, tid: %lu\\n\", msg, getpid(), getppid(), pthread_self());\n        sleep(1);\n    }\n    return (void*)0;\n}\nint main()\n{\n    pthread_t tid&#91;5];\n    for (int i = 0; i &lt; 5; i++){\n        char* buffer = (char*)malloc(64);\n        sprintf(buffer, \"thread %d\", i);\n        pthread_create(&amp;tid&#91;i], NULL, Routine, buffer);\n        printf(\"%s tid is %lu\\n\", buffer, tid&#91;i]);\n    }\n    printf(\"I am main thread...pid: %d, ppid: %d, tid: %lu\\n\", getpid(), getppid(), pthread_self());\n\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u4ee3\u7801\uff0c\u5e76\u4e0d\u80fd\u770b\u5230\u65b0\u7ebf\u7a0b\u6267\u884c\u7684\u6253\u5370\u64cd\u4f5c\uff0c\u56e0\u4e3a\u4e3b\u7ebf\u7a0b\u7684\u9000\u51fa\u5bfc\u81f4\u6574\u4e2a\u8fdb\u7a0b\u9000\u51fa\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_16-168008120395715.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_16-168008120395715.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>pthread_exit\u51fd\u6570<\/p>\n<\/blockquote>\n\n\n\n<p>pthread_exit\u51fd\u6570\u7684\u529f\u80fd\u5c31\u662f\u7ec8\u6b62\u7ebf\u7a0b\uff0cpthread_exit\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>void pthread_exit(void* retval);<\/code><\/pre>\n\n\n\n<p>\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>retval\uff1a\u7ebf\u7a0b\u9000\u51fa\u65f6\u7684\u9000\u51fa\u7801\u4fe1\u606f\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u8bf4\u660e\u4e00\u4e0b\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8be5\u51fd\u6570\u65e0\u8fd4\u56de\u503c\uff0c\u8ddf\u8fdb\u7a0b\u4e00\u6837\uff0c\u7ebf\u7a0b\u7ed3\u675f\u7684\u65f6\u5019\u65e0\u6cd5\u8fd4\u56de\u5b83\u7684\u8c03\u7528\u8005\uff08\u81ea\u8eab\uff09\u3002<\/li>\n\n\n\n<li>pthread_exit\u6216\u8005return\u8fd4\u56de\u7684\u6307\u9488\u6240\u6307\u5411\u7684\u5185\u5b58\u5355\u5143\u5fc5\u987b\u662f\u5168\u5c40\u7684\u6216\u8005\u662f\u7528malloc\u5206\u914d\u7684\uff0c\u4e0d\u80fd\u5728\u7ebf\u7a0b\u51fd\u6570\u7684\u6808\u4e0a\u5206\u914d\uff0c\u56e0\u4e3a\u5f53\u5176\u4ed6\u7ebf\u7a0b\u5f97\u5230\u8fd9\u4e2a\u8fd4\u56de\u6307\u9488\u65f6\uff0c\u7ebf\u7a0b\u51fd\u6570\u5df2\u7ecf\u9000\u51fa\u4e86\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5728\u4e0b\u9762\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528pthread_exit\u51fd\u6570\u7ec8\u6b62\u8fdb\u7a0b\uff0c\u5e76\u5c06\u8fdb\u7a0b\u7684\u9000\u51fa\u7801\u8bbe\u7f6e\u4e3a6666\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;pthread.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;sys\/types.h&gt;\n\nvoid* Routine(void* arg)\n{\n    char* msg = (char*)arg;\n    int count = 0;\n    while (count &lt; 5){\n        printf(\"I am %s...pid: %d, ppid: %d, tid: %lu\\n\", msg, getpid(), getppid(), pthread_self());\n        sleep(1);\n        count++;\n    }\n    pthread_exit((void*)6666);\n}\nint main()\n{\n    pthread_t tid&#91;5];\n    for (int i = 0; i &lt; 5; i++){\n        char* buffer = (char*)malloc(64);\n        sprintf(buffer, \"thread %d\", i);\n        pthread_create(&amp;tid&#91;i], NULL, Routine, buffer);\n        printf(\"%s tid is %lu\\n\", buffer, tid&#91;i]);\n    }\n    printf(\"I am main thread...pid: %d, ppid: %d, tid: %lu\\n\", getpid(), getppid(), pthread_self());\n    for (int i = 0; i &lt; 5; i++){\n        void* ret = NULL;\n        pthread_join(tid&#91;i], &amp;ret);\n        printf(\"thread %d&#91;%lu]...quit, exitcode: %d\\n\", i, tid&#91;i], (int)ret);\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u4ee3\u7801\u53ef\u4ee5\u770b\u5230\uff0c\u5f53\u7ebf\u7a0b\u9000\u51fa\u65f6\u5176\u9000\u51fa\u7801\u5c31\u662f\u6211\u4eec\u8bbe\u7f6e\u76846666\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_16-168008259088918.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_16-168008259088918.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a<\/strong> exit\u51fd\u6570\u7684\u4f5c\u7528\u662f\u7ec8\u6b62\u8fdb\u7a0b\uff0c\u4efb\u4f55\u4e00\u4e2a\u7ebf\u7a0b\u8c03\u7528exit\u51fd\u6570\u4e5f\u4ee3\u8868\u7684\u662f\u6574\u4e2a\u8fdb\u7a0b\u7ec8\u6b62\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>pthread_cancel\u51fd\u6570<\/p>\n<\/blockquote>\n\n\n\n<p>\u7ebf\u7a0b\u662f\u53ef\u4ee5\u88ab\u53d6\u6d88\u7684\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528pthread_cancel\u51fd\u6570\u53d6\u6d88\u67d0\u4e00\u4e2a\u7ebf\u7a0b\uff0cpthread_cancel\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int pthread_cancel(pthread_t thread);<\/code><\/pre>\n\n\n\n<p>\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>thread\uff1a\u88ab\u53d6\u6d88\u7ebf\u7a0b\u7684ID\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>\u7ebf\u7a0b\u53d6\u6d88\u6210\u529f\u8fd4\u56de0\uff0c\u5931\u8d25\u8fd4\u56de\u9519\u8bef\u7801\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u7ebf\u7a0b\u662f\u53ef\u4ee5\u81ea\u5df1\u53d6\u6d88\u7684\uff0c\u53d6\u6d88\u6210\u529f\u7684\u7ebf\u7a0b\u7684\u9000\u51fa\u7801\u4e00\u822c\u662f-1\u3002\u4f8b\u5982\u5728\u4e0b\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u8ba9\u7ebf\u7a0b\u6267\u884c\u4e00\u6b21\u6253\u5370\u64cd\u4f5c\u540e\u5c06\u81ea\u5df1\u53d6\u6d88\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;pthread.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;sys\/types.h&gt;\n\nvoid* Routine(void* arg)\n{\n    char* msg = (char*)arg;\n    int count = 0;\n    while (count &lt; 5){\n        printf(\"I am %s...pid: %d, ppid: %d, tid: %lu\\n\", msg, getpid(), getppid(), pthread_self());\n        sleep(1);\n        count++;\n        pthread_cancel(pthread_self());\n    }\n    pthread_exit((void*)6666);\n}\nint main()\n{\n    pthread_t tid&#91;5];\n    for (int i = 0; i &lt; 5; i++){\n        char* buffer = (char*)malloc(64);\n        sprintf(buffer, \"thread %d\", i);\n        pthread_create(&amp;tid&#91;i], NULL, Routine, buffer);\n        printf(\"%s tid is %lu\\n\", buffer, tid&#91;i]);\n    }\n    printf(\"I am main thread...pid: %d, ppid: %d, tid: %lu\\n\", getpid(), getppid(), pthread_self());\n    for (int i = 0; i &lt; 5; i++){\n        void* ret = NULL;\n        pthread_join(tid&#91;i], &amp;ret);\n        printf(\"thread %d&#91;%lu]...quit, exitcode: %d\\n\", i, tid&#91;i], (int)ret);\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u4ee3\u7801\uff0c\u53ef\u4ee5\u770b\u5230\u6bcf\u4e2a\u7ebf\u7a0b\u6267\u884c\u4e00\u6b21\u6253\u5370\u64cd\u4f5c\u540e\u5c31\u9000\u51fa\u4e86\uff0c\u5176\u9000\u51fa\u7801\u4e0d\u662f\u6211\u4eec\u8bbe\u7f6e\u76846666\u800c\u662f-1\uff0c\u56e0\u4e3a\u6211\u4eec\u662f\u5728\u7ebf\u7a0b\u6267\u884cpthread_exit\u51fd\u6570\u524d\u5c06\u7ebf\u7a0b\u53d6\u6d88\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_16-168009968251821.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_16-168009968251821.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u867d\u7136\u7ebf\u7a0b\u53ef\u4ee5\u81ea\u5df1\u53d6\u6d88\u81ea\u5df1\uff0c\u4f46\u4e00\u822c\u4e0d\u8fd9\u6837\u505a\uff0c\u6211\u4eec\u5f80\u5f80\u662f\u7528\u4e8e\u4e00\u4e2a\u7ebf\u7a0b\u53d6\u6d88\u53e6\u4e00\u4e2a\u7ebf\u7a0b\uff0c\u6bd4\u5982\u4e3b\u7ebf\u7a0b\u53d6\u6d88\u65b0\u7ebf\u7a0b\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5728\u4e0b\u9762\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e94\u4e2a\u7ebf\u7a0b\u540e\u7acb\u523b\u53c8\u5c060\u30011\u30012\u30013\u53f7\u7ebf\u7a0b\u53d6\u6d88\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;pthread.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;sys\/types.h&gt;\n\nvoid* Routine(void* arg)\n{\n    char* msg = (char*)arg;\n    int count = 0;\n    while (count &lt; 5){\n        printf(\"I am %s...pid: %d, ppid: %d, tid: %lu\\n\", msg, getpid(), getppid(), pthread_self());\n        sleep(1);\n        count++;\n    }\n    pthread_exit((void*)6666);\n}\nint main()\n{\n    pthread_t tid&#91;5];\n    for (int i = 0; i &lt; 5; i++){\n        char* buffer = (char*)malloc(64);\n        sprintf(buffer, \"thread %d\", i);\n        pthread_create(&amp;tid&#91;i], NULL, Routine, buffer);\n        printf(\"%s tid is %lu\\n\", buffer, tid&#91;i]);\n    }\n    pthread_cancel(tid&#91;0]);\n    pthread_cancel(tid&#91;1]);\n    pthread_cancel(tid&#91;2]);\n    pthread_cancel(tid&#91;3]);\n    printf(\"I am main thread...pid: %d, ppid: %d, tid: %lu\\n\", getpid(), getppid(), pthread_self());\n    for (int i = 0; i &lt; 5; i++){\n        void* ret = NULL;\n        pthread_join(tid&#91;i], &amp;ret);\n        printf(\"thread %d&#91;%lu]...quit, exitcode: %d\\n\", i, tid&#91;i], (int)ret);\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u6b64\u65f6\u53ef\u4ee5\u53d1\u73b0\uff0c0\u30011\u30012\u30013\u53f7\u7ebf\u7a0b\u9000\u51fa\u65f6\u7684\u9000\u51fa\u7801\u4e0d\u662f\u6211\u4eec\u8bbe\u7f6e\u76846666\uff0c\u800c\u53ea\u6709\u672a\u88ab\u53d6\u6d88\u76844\u53f7\u7ebf\u7a0b\u7684\u9000\u51fa\u78016666\uff0c\u56e0\u4e3a\u53ea\u67094\u53f7\u8fdb\u7a0b\u672a\u88ab\u53d6\u6d88\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_16-168010063946524.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_16-168010063946524.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6b64\u5916\uff0c\u65b0\u7ebf\u7a0b\u4e5f\u662f\u53ef\u4ee5\u53d6\u6d88\u4e3b\u7ebf\u7a0b\u7684\uff0c\u4f8b\u5982\u4e0b\u9762\u6211\u4eec\u8ba9\u6bcf\u4e00\u4e2a\u7ebf\u7a0b\u90fd\u5c1d\u8bd5\u5bf9\u4e3b\u7ebf\u7a0b\u8fdb\u884c\u53d6\u6d88\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;pthread.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;sys\/types.h&gt;\n\npthread_t main_thread;\n\nvoid* Routine(void* arg)\n{\n    char* msg = (char*)arg;\n    int count = 0;\n    while (count &lt; 5){\n        printf(\"I am %s...pid: %d, ppid: %d, tid: %lu\\n\", msg, getpid(), getppid(), pthread_self());\n        sleep(1);\n        count++;\n        pthread_cancel(main_thread);\n    }\n    pthread_exit((void*)6666);\n}\nint main()\n{\n    main_thread = pthread_self();\n    pthread_t tid&#91;5];\n    for (int i = 0; i &lt; 5; i++){\n        char* buffer = (char*)malloc(64);\n        sprintf(buffer, \"thread %d\", i);\n        pthread_create(&amp;tid&#91;i], NULL, Routine, buffer);\n        printf(\"%s tid is %lu\\n\", buffer, tid&#91;i]);\n    }\n    printf(\"I am main thread...pid: %d, ppid: %d, tid: %lu\\n\", getpid(), getppid(), pthread_self());\n    for (int i = 0; i &lt; 5; i++){\n        void* ret = NULL;\n        pthread_join(tid&#91;i], &amp;ret);\n        printf(\"thread %d&#91;%lu]...quit, exitcode: %d\\n\", i, tid&#91;i], (int)ret);\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u4ee3\u7801\uff0c\u540c\u65f6\u7528\u4ee5\u4e0b\u76d1\u63a7\u811a\u672c\u8fdb\u884c\u5b9e\u65f6\u76d1\u63a7\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>while :; do ps -aL | head -1&amp;&amp;ps -aL | grep mythread | grep -v grep;echo \"###############\";sleep 1;done<\/code><\/pre>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\u4e00\u6bb5\u65f6\u95f4\u540e\uff0c\u516d\u4e2a\u7ebf\u7a0b\u4e2dPID\u548cLWP\u76f8\u540c\u7684\u7ebf\u7a0b\uff0c\u4e5f\u5c31\u662f\u4e3b\u7ebf\u7a0b\u53f3\u4fa7\u663e\u793a<code>&lt;defunct&gt;<\/code>\uff0c\u4e5f\u5c31\u610f\u5473\u7740\u4e3b\u7ebf\u7a0b\u5df2\u7ecf\u88ab\u53d6\u6d88\u4e86\uff0c\u6211\u4eec\u4e5f\u5c31\u770b\u4e0d\u5230\u540e\u7eed\u4e3b\u7ebf\u7a0b\u7b49\u5f85\u65b0\u7ebf\u7a0b\u65f6\u6253\u5370\u7684\u9000\u51fa\u7801\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_16-168010115748527.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_16-168010115748527.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<ol class=\"wp-block-list\">\n<li>\u5f53\u91c7\u7528\u8fd9\u79cd\u53d6\u6d88\u65b9\u5f0f\u65f6\uff0c\u4e3b\u7ebf\u7a0b\u548c\u5404\u4e2a\u65b0\u7ebf\u7a0b\u4e4b\u95f4\u7684\u5730\u4f4d\u662f\u5bf9\u7b49\u7684\uff0c\u53d6\u6d88\u4e00\u4e2a\u7ebf\u7a0b\uff0c\u5176\u4ed6\u7ebf\u7a0b\u4e5f\u662f\u80fd\u591f\u8dd1\u5b8c\u7684\uff0c\u53ea\u4e0d\u8fc7\u4e3b\u7ebf\u7a0b\u4e0d\u518d\u6267\u884c\u540e\u7eed\u4ee3\u7801\u4e86\u3002<\/li>\n\n\n\n<li>\u6211\u4eec\u4e00\u822c\u90fd\u662f\u7528\u4e3b\u7ebf\u7a0b\u53bb\u63a7\u5236\u65b0\u7ebf\u7a0b\uff0c\u8fd9\u624d\u7b26\u5408\u6211\u4eec\u5bf9\u7ebf\u7a0b\u63a7\u5236\u7684\u57fa\u672c\u903b\u8f91\uff0c\u867d\u7136\u5b9e\u9a8c\u8868\u660e\u65b0\u7ebf\u7a0b\u53ef\u4ee5\u53d6\u6d88\u4e3b\u7ebf\u7a0b\uff0c\u4f46\u662f\u5e76\u4e0d\u63a8\u8350\u8be5\u505a\u6cd5\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u5206\u79bb\u7ebf\u7a0b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u65b0\u521b\u5efa\u7684\u7ebf\u7a0b\u662fjoinable\u7684\uff0c\u7ebf\u7a0b\u9000\u51fa\u540e\uff0c\u9700\u8981\u5bf9\u5176\u8fdb\u884cpthread_join\u64cd\u4f5c\uff0c\u5426\u5219\u65e0\u6cd5\u91ca\u653e\u8d44\u6e90\uff0c\u4ece\u800c\u9020\u6210\u5185\u5b58\u6cc4\u6f0f\u3002<\/li>\n\n\n\n<li>\u4f46\u5982\u679c\u6211\u4eec\u4e0d\u5173\u5fc3\u7ebf\u7a0b\u7684\u8fd4\u56de\u503c\uff0cjoin\u4e5f\u662f\u4e00\u79cd\u8d1f\u62c5\uff0c\u6b64\u65f6\u6211\u4eec\u53ef\u4ee5\u5c06\u8be5\u7ebf\u7a0b\u8fdb\u884c\u5206\u79bb\uff0c\u540e\u7eed\u5f53\u7ebf\u7a0b\u9000\u51fa\u65f6\u5c31\u4f1a\u81ea\u52a8\u91ca\u653e\u7ebf\u7a0b\u8d44\u6e90\u3002<\/li>\n\n\n\n<li>\u4e00\u4e2a\u7ebf\u7a0b\u5982\u679c\u88ab\u5206\u79bb\u4e86\uff0c\u8fd9\u4e2a\u7ebf\u7a0b\u4f9d\u65e7\u8981\u4f7f\u7528\u8be5\u8fdb\u7a0b\u7684\u8d44\u6e90\uff0c\u4f9d\u65e7\u5728\u8be5\u8fdb\u7a0b\u5185\u8fd0\u884c\uff0c\u751a\u81f3\u8fd9\u4e2a\u7ebf\u7a0b\u5d29\u6e83\u4e86\u4e00\u5b9a\u4f1a\u5f71\u54cd\u5176\u4ed6\u7ebf\u7a0b\uff0c\u53ea\u4e0d\u8fc7\u8fd9\u4e2a\u7ebf\u7a0b\u9000\u51fa\u65f6\u4e0d\u518d\u9700\u8981\u4e3b\u7ebf\u7a0b\u53bbjoin\u4e86\uff0c\u5f53\u8fd9\u4e2a\u7ebf\u7a0b\u9000\u51fa\u65f6\u7cfb\u7edf\u4f1a\u81ea\u52a8\u56de\u6536\u8be5\u7ebf\u7a0b\u6240\u5bf9\u5e94\u7684\u8d44\u6e90\u3002<\/li>\n\n\n\n<li>\u53ef\u4ee5\u662f\u7ebf\u7a0b\u7ec4\u5185\u5176\u4ed6\u7ebf\u7a0b\u5bf9\u76ee\u6807\u7ebf\u7a0b\u8fdb\u884c\u5206\u79bb\uff0c\u4e5f\u53ef\u4ee5\u662f\u7ebf\u7a0b\u81ea\u5df1\u5206\u79bb\u3002<\/li>\n\n\n\n<li>joinable\u548c\u5206\u79bb\u662f\u51b2\u7a81\u7684\uff0c\u4e00\u4e2a\u7ebf\u7a0b\u4e0d\u80fd\u65e2\u662fjoinable\u53c8\u662f\u5206\u79bb\u7684\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5206\u79bb\u7ebf\u7a0b\u7684\u51fd\u6570\u53eb\u505apthread_detach<\/p>\n<\/blockquote>\n\n\n\n<p>pthread_detach\u51fd\u6570\u7684\u51fd\u6570\u539f\u578b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int pthread_detach(pthread_t thread);<\/code><\/pre>\n\n\n\n<p>\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>thread\uff1a\u88ab\u5206\u79bb\u7ebf\u7a0b\u7684ID\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>\u7ebf\u7a0b\u5206\u79bb\u6210\u529f\u8fd4\u56de0\uff0c\u5931\u8d25\u8fd4\u56de\u9519\u8bef\u7801\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4f8b\u5982\uff0c\u4e0b\u9762\u6211\u4eec\u521b\u5efa\u4e94\u4e2a\u65b0\u7ebf\u7a0b\u540e\u8ba9\u8fd9\u4e94\u4e2a\u65b0\u7ebf\u7a0b\u5c06\u81ea\u5df1\u8fdb\u884c\u5206\u79bb\uff0c\u90a3\u4e48\u6b64\u540e\u4e3b\u7ebf\u7a0b\u5c31\u4e0d\u9700\u8981\u518d\u5bf9\u8fd9\u4e94\u4e2a\u65b0\u7ebf\u7a0b\u8fdb\u884cjoin\u4e86\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;pthread.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;sys\/types.h&gt;\n\nvoid* Routine(void* arg)\n{\n    pthread_detach(pthread_self());\n    char* msg = (char*)arg;\n    int count = 0;\n    while (count &lt; 5){\n        printf(\"I am %s...pid: %d, ppid: %d, tid: %lu\\n\", msg, getpid(), getppid(), pthread_self());\n        sleep(1);\n        count++;\n    }\n    pthread_exit((void*)6666);\n}\nint main()\n{\n    pthread_t tid&#91;5];\n    for (int i = 0; i &lt; 5; i++){\n        char* buffer = (char*)malloc(64);\n        sprintf(buffer, \"thread %d\", i);\n        pthread_create(&amp;tid&#91;i], NULL, Routine, buffer);\n        printf(\"%s tid is %lu\\n\", buffer, tid&#91;i]);\n    }\n    while (1){\n        printf(\"I am main thread...pid: %d, ppid: %d, tid: %lu\\n\", getpid(), getppid(), pthread_self());\n        sleep(1);\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e94\u4e2a\u65b0\u7ebf\u7a0b\u5728\u9000\u51fa\u65f6\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u56de\u6536\u5bf9\u5e94\u7ebf\u7a0b\u7684\u8d44\u6e90\uff0c\u4e0d\u9700\u8981\u4e3b\u7ebf\u7a0b\u8fdb\u884cjoin\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/20260324134648401.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/20260324134648401.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ebf\u7a0bID\u53ca\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u5e03\u5c40<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>pthread_create\u51fd\u6570\u4f1a\u4ea7\u751f\u4e00\u4e2a\u7ebf\u7a0bID\uff0c\u5b58\u653e\u5728\u7b2c\u4e00\u4e2a\u53c2\u6570\u6307\u5411\u7684\u5730\u5740\u4e2d\uff0c\u8be5\u7ebf\u7a0bID\u548c\u5185\u6838\u4e2d\u7684LWP\u4e0d\u662f\u4e00\u56de\u4e8b\u3002<\/li>\n\n\n\n<li>\u5185\u6838\u4e2d\u7684LWP\u5c5e\u4e8e\u8fdb\u7a0b\u8c03\u5ea6\u7684\u8303\u7574\uff0c\u56e0\u4e3a\u7ebf\u7a0b\u662f\u8f7b\u91cf\u7ea7\u8fdb\u7a0b\uff0c\u662f\u64cd\u4f5c\u7cfb\u7edf\u8c03\u5ea6\u5668\u7684\u6700\u5c0f\u5355\u4f4d\uff0c\u6240\u4ee5\u9700\u8981\u4e00\u4e2a\u6570\u503c\u6765\u552f\u4e00\u8868\u793a\u8be5\u7ebf\u7a0b\u3002<\/li>\n\n\n\n<li>pthread_create\u51fd\u6570\u7b2c\u4e00\u4e2a\u53c2\u6570\u6307\u5411\u4e00\u4e2a\u865a\u62df\u5185\u5b58\u5355\u5143\uff0c\u8be5\u5185\u5b58\u5355\u5143\u7684\u5730\u5740\u5373\u4e3a\u65b0\u521b\u5efa\u7ebf\u7a0b\u7684\u7ebf\u7a0bID\uff0c\u8fd9\u4e2aID\u5c5e\u4e8eNPTL\u7ebf\u7a0b\u5e93\u7684\u8303\u7574\uff0c\u7ebf\u7a0b\u5e93\u7684\u540e\u7eed\u64cd\u4f5c\u5c31\u662f\u6839\u636e\u8be5\u7ebf\u7a0bID\u6765\u64cd\u4f5c\u7ebf\u7a0b\u7684\u3002<\/li>\n\n\n\n<li>\u7ebf\u7a0b\u5e93NPTL\u63d0\u4f9b\u7684pthread_self\u51fd\u6570\uff0c\u83b7\u53d6\u7684\u7ebf\u7a0bID\u548cpthread_create\u51fd\u6570\u7b2c\u4e00\u4e2a\u53c2\u6570\u83b7\u53d6\u7684\u7ebf\u7a0bID\u662f\u4e00\u6837\u7684\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>pthread_t\u5230\u5e95\u662f\u4ec0\u4e48\u7c7b\u578b\u5462\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u9996\u5148Linux\u4e0d\u63d0\u4f9b\u771f\u6b63\u7684\u7ebf\u7a0b\uff0c\u53ea\u63d0\u4f9bLWP\uff0c\u4e5f\u5c31\u610f\u5473\u7740\u64cd\u4f5c\u7cfb\u7edf\u53ea\u9700\u8981\u5bf9\u5185\u6838\u6267\u884c\u6d41LWP\u8fdb\u884c\u7ba1\u7406\uff0c\u800c\u4f9b\u7528\u6237\u4f7f\u7528\u7684\u7ebf\u7a0b\u63a5\u53e3\u7b49\u5176\u4ed6\u6570\u636e\uff0c\u5e94\u8be5\u6709\u7ebf\u7a0b\u5e93\u81ea\u5df1\u6765\u7ba1\u7406\uff0c\u56e0\u6b64\u7ba1\u7406\u7ebf\u7a0b\u5e93\u65f6\u7684\u201c\u5148\u63cf\u8ff0\uff0c\u518d\u7ec4\u7ec7\u201d\u5c31\u5e94\u8be5\u5728\u7ebf\u7a0b\u5e93\u91cc\u8fdb\u884c\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7<code>ldd<\/code>\u547d\u4ee4\u53ef\u4ee5\u770b\u5230\uff0c\u6211\u4eec\u91c7\u7528\u7684\u7ebf\u7a0b\u5e93\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u52a8\u6001\u5e93\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_16-16801385813043.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_16-16801385813043.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u8fdb\u7a0b\u8fd0\u884c\u65f6\u52a8\u6001\u5e93\u88ab\u52a0\u8f7d\u5230\u5185\u5b58\uff0c\u7136\u540e\u901a\u8fc7\u9875\u8868\u6620\u5c04\u5230\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u4e2d\u7684\u5171\u4eab\u533a\uff0c\u6b64\u65f6\u8be5\u8fdb\u7a0b\u5185\u7684\u6240\u6709\u7ebf\u7a0b\u90fd\u662f\u80fd\u770b\u5230\u8fd9\u4e2a\u52a8\u6001\u5e93\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_16-16801387769406.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_16-16801387769406.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6211\u4eec\u8bf4\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u6709\u81ea\u5df1\u79c1\u6709\u7684\u6808\uff0c\u5176\u4e2d\u4e3b\u7ebf\u7a0b\u91c7\u7528\u7684\u6808\u662f\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u4e2d\u539f\u751f\u7684\u6808\uff0c\u800c\u5176\u4f59\u7ebf\u7a0b\u91c7\u7528\u7684\u6808\u5c31\u662f\u5728\u5171\u4eab\u533a\u4e2d\u5f00\u8f9f\u7684\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u6709\u81ea\u5df1\u7684struct pthread\uff0c\u5f53\u4e2d\u5305\u542b\u4e86\u5bf9\u5e94\u73b0\u6210\u7684\u5404\u79cd\u5c5e\u6027\uff1b\u6bcf\u4e2a\u7ebf\u7a0b\u8fd8\u6709\u81ea\u5df1\u7684\u7ebf\u7a0b\u5c40\u90e8\u5b58\u50a8\uff0c\u5f53\u4e2d\u5305\u542b\u4e86\u5bf9\u5e94\u7ebf\u7a0b\u88ab\u5207\u6362\u65f6\u7684\u4e0a\u4e0b\u6587\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u6bcf\u4e00\u4e2a\u65b0\u7ebf\u7a0b\u5728\u5171\u4eab\u533a\u90fd\u6709\u8fd9\u6837\u4e00\u5757\u533a\u57df\u5bf9\u5176\u8fdb\u884c\u63cf\u8ff0\uff0c\u56e0\u6b64\u6211\u4eec\u8981\u627e\u5230\u4e00\u4e2a\u7528\u6237\u7ea7\u7ebf\u7a0b\u53ea\u9700\u8981\u627e\u5230\u8be5\u7ebf\u7a0b\u5185\u5b58\u5757\u7684\u8d77\u59cb\u5730\u5740\uff0c\u7136\u540e\u5c31\u53ef\u4ee5\u83b7\u53d6\u5230\u8be5\u7ebf\u7a0b\u7684\u5404\u79cd\u4fe1\u606f\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_16-16801392677709.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_16-16801392677709.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u4e0a\u9762\u6211\u4eec\u6240\u7528\u7684\u5404\u79cd\u7ebf\u7a0b\u51fd\u6570\uff0c\u672c\u8d28\u90fd\u662f\u5728\u5e93\u5185\u90e8\u5bf9\u7ebf\u7a0b\u5c5e\u6027\u8fdb\u884c\u7684\u5404\u79cd\u64cd\u4f5c\uff0c\u6700\u540e\u5c06\u8981\u6267\u884c\u7684\u4ee3\u7801\u4ea4\u7ed9\u5bf9\u5e94\u7684\u5185\u6838\u7ea7LWP\u53bb\u6267\u884c\u5c31\u884c\u4e86\uff0c\u4e5f\u5c31\u662f\u8bf4\u7ebf\u7a0b\u6570\u636e\u7684\u7ba1\u7406\u672c\u8d28\u662f\u5728\u5171\u4eab\u533a\u7684\u3002<\/p>\n\n\n\n<p>pthread_t\u5230\u5e95\u662f\u4ec0\u4e48\u7c7b\u578b\u53d6\u51b3\u4e8e\u5b9e\u73b0\uff0c\u4f46\u662f\u5bf9\u4e8eLinux\u76ee\u524d\u5b9e\u73b0\u7684NPTL\u7ebf\u7a0b\u5e93\u6765\u8bf4\uff0c\u7ebf\u7a0bID\u672c\u8d28\u5c31\u662f\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u5171\u4eab\u533a\u4e0a\u7684\u4e00\u4e2a\u865a\u62df\u5730\u5740\uff0c\u540c\u4e00\u4e2a\u8fdb\u7a0b\u4e2d\u6240\u6709\u7684\u865a\u62df\u5730\u5740\u90fd\u662f\u4e0d\u540c\u7684\uff0c\u56e0\u6b64\u53ef\u4ee5\u7528\u5b83\u6765\u552f\u4e00\u533a\u5206\u6bcf\u4e00\u4e2a\u7ebf\u7a0b\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u5c1d\u8bd5\u6309\u5730\u5740\u7684\u5f62\u5f0f\u5bf9\u83b7\u53d6\u5230\u7684\u7ebf\u7a0bID\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\nvoid* Routine(void* arg)\n{\n    while (1){\n        printf(\"new  thread tid: %p\\n\", pthread_self());\n        sleep(1);\n    }\n}\nint main()\n{\n    pthread_t tid;\n    pthread_create(&amp;tid, NULL, Routine, NULL);\n    while (1){\n        printf(\"main thread tid: %p\\n\", pthread_self());\n        sleep(2);\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u5728\u6b64\u4e4b\u524d\u6211\u4eec\u53ef\u4ee5\u8bf4\u8fd9\u4e2a\u6253\u5370\u7ed3\u679c\u5f88\u50cf\u4e00\u4e2a\u5730\u5740\uff0c\u4f46\u662f\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u8bf4\uff0c\u8fd9\u672c\u8d28\u5c31\u662f\u4e00\u4e2a\u5730\u5740\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_16-168014027162412.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_16-168014027162412.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u7ebf\u7a0b\u6982\u5ff5 \u4ec0\u4e48\u662f\u7ebf\u7a0b \u9700\u8981\u660e\u786e\u7684\u662f\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u7684\u521b\u5efa\u5b9e\u9645\u4e0a\u4f34\u968f\u7740\u5176\u8fdb\u7a0b\u63a7\u5236\u5757\uff08task_struct\uff09 [&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":[32],"class_list":["post-155","post","type-post","status-publish","format-standard","hentry","category-linux","category-learn","tag-32"],"_links":{"self":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/155","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=155"}],"version-history":[{"count":1,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/155\/revisions"}],"predecessor-version":[{"id":156,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/155\/revisions\/156"}],"wp:attachment":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=155"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=155"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}