{"id":141,"date":"2026-03-23T16:25:13","date_gmt":"2026-03-23T08:25:13","guid":{"rendered":"https:\/\/codergodv.xyz\/?p=141"},"modified":"2026-03-23T16:25:14","modified_gmt":"2026-03-23T08:25:14","slug":"linux%e8%bf%9b%e7%a8%8b%e6%a6%82%e5%bf%b5","status":"publish","type":"post","link":"https:\/\/codergodv.xyz\/index.php\/2026\/03\/23\/linux%e8%bf%9b%e7%a8%8b%e6%a6%82%e5%bf%b5\/","title":{"rendered":"Linux\u8fdb\u7a0b\u6982\u5ff5"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u57fa\u672c\u6982\u5ff5<\/h2>\n\n\n\n<p><strong>\u8bfe\u672c\u6982\u5ff5\uff1a<\/strong> \u7a0b\u5e8f\u7684\u4e00\u4e2a\u6267\u884c\u5b9e\u4f8b\uff0c\u6b63\u5728\u6267\u884c\u7684\u7a0b\u5e8f\u7b49\u3002<\/p>\n\n\n\n<p><strong>\u5185\u6838\u89c2\u70b9\uff1a<\/strong> 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decoding=\"async\" src=\"https:\/\/cdn.codergodv.xyz\/20260323155734779.png\" alt=\"img\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u63cf\u8ff0\u8fdb\u7a0b-PCB<\/h2>\n\n\n\n<p>\u7cfb\u7edf\u5f53\u4e2d\u53ef\u4ee5\u540c\u65f6\u5b58\u5728\u5927\u91cf\u8fdb\u7a0b\uff0c\u4f7f\u7528\u547d\u4ee4ps aux\u4fbf\u53ef\u4ee5\u663e\u793a\u7cfb\u7edf\u5f53\u4e2d\u5b58\u5728\u7684\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-16694592523903.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-16694592523903.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u800c\u5f53\u4f60\u5f00\u673a\u7684\u65f6\u5019\u542f\u52a8\u7684\u7b2c\u4e00\u4e2a\u7a0b\u5e8f\u5c31\u662f\u6211\u4eec\u7684\u64cd\u4f5c\u7cfb\u7edf\uff08\u5373\u64cd\u4f5c\u7cfb\u7edf\u662f\u7b2c\u4e00\u4e2a\u52a0\u8f7d\u5230\u5185\u5b58\u7684\uff09\uff0c\u6211\u4eec\u90fd\u77e5\u9053\u64cd\u4f5c\u7cfb\u7edf\u662f\u505a\u7ba1\u7406\u5de5\u4f5c\u7684\uff0c\u800c\u5176\u4e2d\u5c31\u5305\u62ec\u4e86\u8fdb\u7a0b\u7ba1\u7406\u3002\u800c\u7cfb\u7edf\u5185\u662f\u5b58\u5728\u5927\u91cf\u8fdb\u7a0b\u7684\uff0c\u90a3\u4e48\u64cd\u4f5c\u7cfb\u7edf\u662f\u5982\u4f55\u5bf9\u8fdb\u7a0b\u8fdb\u884c\u7ba1\u7406\u7684\u5462\uff1f<br>\u8fd9\u65f6\u6211\u4eec\u5c31\u5e94\u8be5\u60f3\u5230\u7ba1\u7406\u7684\u516d\u5b57\u771f\u8a00\uff1a\u5148\u63cf\u8ff0\uff0c\u518d\u7ec4\u7ec7\u3002\u64cd\u4f5c\u7cfb\u7edf\u7ba1\u7406\u8fdb\u7a0b\u4e5f\u662f\u4e00\u6837\u7684\uff0c\u64cd\u4f5c\u7cfb\u7edf\u4f5c\u4e3a\u7ba1\u7406\u8005\u662f\u4e0d\u9700\u8981\u76f4\u63a5\u548c\u88ab\u7ba1\u7406\u8005\uff08\u8fdb\u7a0b\uff09\u76f4\u63a5\u8fdb\u884c\u6c9f\u901a\u7684\uff0c\u5f53\u4e00\u4e2a\u8fdb\u7a0b\u51fa\u73b0\u65f6\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5c31\u7acb\u9a6c\u5bf9\u5176\u8fdb\u884c\u63cf\u8ff0\uff0c\u4e4b\u540e\u5bf9\u8be5\u8fdb\u7a0b\u7684\u7ba1\u7406\u5b9e\u9645\u4e0a\u5c31\u662f\u5bf9\u5176\u63cf\u8ff0\u4fe1\u606f\u7684\u7ba1\u7406\u3002<br>\u8fdb\u7a0b\u4fe1\u606f\u88ab\u653e\u5728\u4e00\u4e2a\u53eb\u505a\u8fdb\u7a0b\u63a7\u5236\u5757\u7684\u6570\u636e\u7ed3\u6784\u4e2d\uff0c\u53ef\u4ee5\u7406\u89e3\u4e3a\u8fdb\u7a0b\u5c5e\u6027\u7684\u96c6\u5408\uff0c\u8bfe\u672c\u4e0a\u79f0\u4e4b\u4e3aPCB\uff08process control block\uff09\u3002<\/p>\n\n\n\n<p>\u64cd\u4f5c\u7cfb\u7edf\u5c06\u6bcf\u4e00\u4e2a\u8fdb\u7a0b\u90fd\u8fdb\u884c\u63cf\u8ff0\uff0c\u5f62\u6210\u4e86\u4e00\u4e2a\u4e2a\u7684\u8fdb\u7a0b\u63a7\u5236\u5757\uff08PCB\uff09\uff0c\u5e76\u5c06\u8fd9\u4e9bPCB\u4ee5\u53cc\u94fe\u8868\u7684\u5f62\u5f0f\u7ec4\u7ec7\u8d77\u6765\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-16694597219926.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" 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alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u8fd9\u6837\u4e00\u6765\uff0c\u64cd\u4f5c\u7cfb\u7edf\u53ea\u8981\u62ff\u5230\u8fd9\u4e2a\u53cc\u94fe\u8868\u7684\u5934\u6307\u9488\uff0c\u4fbf\u53ef\u4ee5\u8bbf\u95ee\u5230\u6240\u6709\u7684PCB\u3002\u6b64\u540e\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5bf9\u5404\u4e2a\u8fdb\u7a0b\u7684\u7ba1\u7406\u5c31\u53d8\u6210\u4e86\u5bf9\u8fd9\u6761\u53cc\u94fe\u8868\u7684\u4e00\u7cfb\u5217\u64cd\u4f5c\u3002<br>\u4f8b\u5982\u521b\u5efa\u4e00\u4e2a\u8fdb\u7a0b\u5b9e\u9645\u4e0a\u5c31\u662f\u5148\u5c06\u8be5\u8fdb\u7a0b\u7684\u4ee3\u7801\u548c\u6570\u636e\u52a0\u8f7d\u5230\u5185\u5b58\uff0c\u7d27\u63a5\u7740\u64cd\u4f5c\u7cfb\u7edf\u5bf9\u8be5\u8fdb\u7a0b\u8fdb\u884c\u63cf\u8ff0\u5f62\u6210\u5bf9\u5e94\u7684PCB\uff0c\u5e76\u5c06\u8fd9\u4e2aPCB\u63d2\u5165\u5230\u8be5\u53cc\u94fe\u8868\u5f53\u4e2d\u3002\u800c\u9000\u51fa\u4e00\u4e2a\u8fdb\u7a0b\u5b9e\u9645\u4e0a\u5c31\u662f\u5148\u5c06\u8be5\u8fdb\u7a0b\u7684PCB\u4ece\u8be5\u53cc\u94fe\u8868\u5f53\u4e2d\u5220\u9664\uff0c\u7136\u540e\u64cd\u4f5c\u7cfb\u7edf\u518d\u5c06\u5185\u5b58\u5f53\u4e2d\u5c5e\u4e8e\u8be5\u8fdb\u7a0b\u7684\u4ee3\u7801\u548c\u6570\u636e\u8fdb\u884c\u91ca\u653e\u6216\u662f\u7f6e\u4e3a\u65e0\u6548\u3002<br>\u603b\u7684\u6765\u8bf4\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5bf9\u8fdb\u7a0b\u7684\u7ba1\u7406\u5b9e\u9645\u4e0a\u5c31\u53d8\u6210\u4e86\u5bf9\u8be5\u53cc\u94fe\u8868\u7684\u589e\u3001\u5220\u3001\u67e5\u3001\u6539\u7b49\u64cd\u4f5c\u3002<br>&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">task_struct-PCB\u7684\u4e00\u79cd<\/h3>\n\n\n\n<p>\u8fdb\u7a0b\u63a7\u5236\u5757\uff08PCB\uff09\u662f\u63cf\u8ff0\u8fdb\u7a0b\u7684\uff0c\u5728C++\u5f53\u4e2d\u6211\u4eec\u79f0\u4e4b\u4e3a\u9762\u5411\u5bf9\u8c61\uff0c\u800c\u5728C\u8bed\u8a00\u5f53\u4e2d\u6211\u4eec\u79f0\u4e4b\u4e3a\u7ed3\u6784\u4f53\uff0c\u65e2\u7136Linux\u64cd\u4f5c\u7cfb\u7edf\u662f\u7528C\u8bed\u8a00\u8fdb\u884c\u7f16\u5199\u7684\uff0c\u90a3\u4e48Linux\u5f53\u4e2d\u7684\u8fdb\u7a0b\u63a7\u5236\u5757\u5fc5\u5b9a\u662f\u7528\u7ed3\u6784\u4f53\u6765\u5b9e\u73b0\u7684\u3002<\/p>\n\n\n\n<ul 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\u4efb\u52a1\u72b6\u6001\uff0c\u9000\u51fa\u4ee3\u7801\uff0c\u9000\u51fa\u4fe1\u53f7\u7b49<\/li>\n\n\n\n<li><strong>\u4f18\u5148\u7ea7\uff1a<\/strong> \u76f8\u5bf9\u4e8e\u5176\u4ed6\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7<\/li>\n\n\n\n<li><strong>\u7a0b\u5e8f\u8ba1\u6570\u5668\uff08pc\uff09\uff1a<\/strong> \u7a0b\u5e8f\u4e2d\u5373\u5c06\u88ab\u6267\u884c\u7684\u4e0b\u4e00\u6761\u6307\u4ee4\u7684\u5730\u5740<\/li>\n\n\n\n<li><strong>\u5185\u5b58\u6307\u9488\uff1a<\/strong> \u5305\u62ec\u7a0b\u5e8f\u4ee3\u7801\u548c\u8fdb\u7a0b\u76f8\u5173\u6570\u636e\u7684\u6307\u9488\uff0c\u8fd8\u6709\u4e0e\u5176\u4ed6\u8fdb\u7a0b\u5171\u4eab\u7684\u5185\u5b58\u5757\u7684\u6307\u9488<\/li>\n\n\n\n<li><strong>\u4e0a\u4e0b\u6587\u6570\u636e\uff1a<\/strong> \u8fdb\u7a0b\u6267\u884c\u4e2d\u5904\u7406\u5668\u7684\u5bc4\u5b58\u5668\u4e2d\u7684\u6570\u636e<\/li>\n\n\n\n<li><strong>I\/O\u72b6\u6001\u4fe1\u606f\uff1a<\/strong> \u5305\u62ec\u663e\u793a\u7684I\/O\u8bf7\u6c42\uff0c\u5206\u914d\u7ed9\u8fdb\u7a0b\u7684I\/O\u8bbe\u5907\u548c\u88ab\u8fdb\u7a0b\u4f7f\u7528\u7684\u6587\u4ef6\u5217\u8868<\/li>\n\n\n\n<li><strong>\u8bb0\u8d26\u4fe1\u606f\uff1a<\/strong> \u53ef\u80fd\u5305\u62ec\u5904\u7406\u5668\u65f6\u95f4\u603b\u548c\uff0c\u4f7f\u7528\u7684\u65f6\u949f\u603b\u548c\uff0c\u65f6\u95f4\u9650\u5236\uff0c\u8bb0\u8d26\u53f7\u7b49<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u67e5\u770b\u8fdb\u7a0b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u901a\u8fc7\u7cfb\u7edf\u76ee\u5f55\u67e5\u770b<\/h3>\n\n\n\n<p>\u5728\u6839\u76ee\u5f55\u4e0b\u6709\u4e00\u4e2a\u540d\u4e3aproc\u7684\u7cfb\u7edf\u6587\u4ef6\u5939<\/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\/d6705fb404b242b4b9bb823364b8dcaf.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/d6705fb404b242b4b9bb823364b8dcaf.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6587\u4ef6\u5939\u5f53\u4e2d\u5305\u542b\u5927\u91cf\u8fdb\u7a0b\u4fe1\u606f\uff0c\u5176\u4e2d\u6709\u4e9b\u5b50\u76ee\u5f55\u7684\u76ee\u5f55\u540d\u4e3a\u6570\u5b57<\/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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946106545211.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946106545211.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u8fd9\u4e9b\u6570\u5b57\u5176\u5b9e\u662f\u67d0\u4e00\u8fdb\u7a0b\u7684PID\uff0c\u5bf9\u5e94\u6587\u4ef6\u5939\u5f53\u4e2d\u8bb0\u5f55\u7740\u5bf9\u5e94\u8fdb\u7a0b\u7684\u5404\u79cd\u4fe1\u606f\u3002\u6211\u4eec\u82e5\u60f3\u67e5\u770bPID\u4e3a1\u7684\u8fdb\u7a0b\u7684\u8fdb\u7a0b\u4fe1\u606f\uff0c\u5219\u67e5\u770b\u540d\u5b57\u4e3a1\u7684\u6587\u4ef6\u5939\u5373\u53ef\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946123958714.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946123958714.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u901a\u8fc7ps\u547d\u4ee4\u67e5\u770b<\/h3>\n\n\n\n<p>\u5355\u72ec\u4f7f\u7528ps\u547d\u4ee4\uff0c\u4f1a\u663e\u793a\u6240\u6709\u8fdb\u7a0b\u4fe1\u606f<\/p>\n\n\n\n<p><code>ps aux<\/code><\/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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946134035017.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946134035017.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>ps\u547d\u4ee4\u4e0egrep\u547d\u4ee4\u642d\u914d\u4f7f\u7528\uff0c\u5373\u53ef\u53ea\u663e\u793a\u67d0\u4e00\u8fdb\u7a0b\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n<p><code>ps aux | head -1 &amp;&amp; ps aux | grep proc | grep -v grep<\/code><\/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\/1bdef28c0b2140d789dc76829e57e3fa.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/1bdef28c0b2140d789dc76829e57e3fa.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u901a\u8fc7\u7cfb\u7edf\u8c03\u7528\u83b7\u53d6\u8fdb\u7a0b\u7684PID\u548cPPID<\/h2>\n\n\n\n<p>\u901a\u8fc7\u4f7f\u7528\u7cfb\u7edf\u8c03\u7528\u51fd\u6570\uff0cgetpid\u548cgetppid\u5373\u53ef\u5206\u522b\u83b7\u53d6\u8fdb\u7a0b\u7684PID\u548cPPID\u3002<br>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4e00\u6bb5\u4ee3\u7801\u6765\u8fdb\u884c\u6d4b\u8bd5\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946228098922.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946228098922.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u5f53\u8fd0\u884c\u8be5\u4ee3\u7801\u751f\u6210\u7684\u53ef\u6267\u884c\u7a0b\u5e8f\u540e\uff0c\u4fbf\u53ef\u5faa\u73af\u6253\u5370\u8be5\u8fdb\u7a0b\u7684PID\u548cPPID\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946230975725.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946230975725.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7ps\u547d\u4ee4\u67e5\u770b\u8be5\u8fdb\u7a0b\u7684\u4fe1\u606f\uff0c\u5373\u53ef\u53d1\u73b0\u901a\u8fc7ps\u547d\u4ee4\u5f97\u5230\u7684\u8fdb\u7a0b\u7684PID\u548cPPID\u4e0e\u4f7f\u7528\u7cfb\u7edf\u8c03\u7528\u51fd\u6570getpid\u548cgetppid\u6240\u83b7\u53d6\u7684\u503c\u76f8\u540c\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946242109828.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946242109828.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u901a\u8fc7\u7cfb\u7edf\u8c03\u7528\u521b\u5efa\u8fdb\u7a0b-fork<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">fork\u51fd\u6570\u521b\u5efa\u5b50\u8fdb\u7a0b<\/h3>\n\n\n\n<p>fork\u662f\u4e00\u4e2a\u7cfb\u7edf\u8c03\u7528\u7ea7\u522b\u7684\u51fd\u6570\uff0c\u5176\u529f\u80fd\u5c31\u662f\u521b\u5efa\u4e00\u4e2a\u5b50\u8fdb\u7a0b\u3002<br>\u4f8b\u5982\uff0c\u8fd0\u884c\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946288301931.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946288301931.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u82e5\u662f\u4ee3\u7801\u5f53\u4e2d\u6ca1\u6709fork\u51fd\u6570\uff0c\u6211\u4eec\u90fd\u77e5\u9053\u4ee3\u7801\u7684\u8fd0\u884c\u7ed3\u679c\u5c31\u662f\u5faa\u73af\u6253\u5370\u8be5\u8fdb\u7a0b\u7684PID\u548cPPID\u3002\u800c\u52a0\u5165\u4e86fork\u51fd\u6570\u540e\uff0c\u4ee3\u7801\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946303605834.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946303605834.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u8fd0\u884c\u7ed3\u679c\u662f\u5faa\u73af\u6253\u5370\u4e24\u884c\u6570\u636e\uff0c\u7b2c\u4e00\u884c\u6570\u636e\u662f\u8be5\u8fdb\u7a0b\u7684PID\u548cPPID\uff0c\u7b2c\u4e8c\u884c\u6570\u636e\u662f\u4ee3\u7801\u4e2dfork\u51fd\u6570\u521b\u5efa\u7684\u5b50\u8fdb\u7a0b\u7684PID\u548cPPID\u3002\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0fork\u51fd\u6570\u521b\u5efa\u7684\u8fdb\u7a0b\u7684PPID\u5c31\u662fproc\u8fdb\u7a0b\u7684PID\uff0c\u4e5f\u5c31\u662f\u8bf4proc\u8fdb\u7a0b\u4e0efork\u51fd\u6570\u521b\u5efa\u7684\u8fdb\u7a0b\u4e4b\u95f4\u662f\u7236\u5b50\u5173\u7cfb\u3002<\/p>\n\n\n\n<p>\u6bcf\u51fa\u73b0\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5c31\u4f1a\u4e3a\u5176\u521b\u5efaPCB\uff0cfork\u51fd\u6570\u521b\u5efa\u7684\u8fdb\u7a0b\u4e5f\u4e0d\u4f8b\u5916\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946340111937.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946340111937.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6211\u4eec\u77e5\u9053\u52a0\u8f7d\u5230\u5185\u5b58\u5f53\u4e2d\u7684\u4ee3\u7801\u548c\u6570\u636e\u662f\u5c5e\u4e8e\u7236\u8fdb\u7a0b\u7684\uff0c\u90a3\u4e48fork\u51fd\u6570\u521b\u5efa\u7684\u5b50\u8fdb\u7a0b\u7684\u4ee3\u7801\u548c\u6570\u636e\u53c8\u4ece\u4f55\u800c\u6765\u5462\uff1f<\/p>\n\n\n\n<p>\u6211\u4eec\u770b\u770b\u4ee5\u4e0b\u4ee3\u7801\u7684\u8fd0\u884c\u7ed3\u679c\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946390619840.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946390619840.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u8fd0\u884c\u7ed3\u679c\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946393139043.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946393139043.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u5b9e\u9645\u4e0a\uff0c\u4f7f\u7528fork\u51fd\u6570\u521b\u5efa\u5b50\u8fdb\u7a0b\uff0c\u5728fork\u51fd\u6570\u88ab\u8c03\u7528\u4e4b\u524d\u7684\u4ee3\u7801\u88ab\u7236\u8fdb\u7a0b\u6267\u884c\uff0c\u800cfork\u51fd\u6570\u4e4b\u540e\u7684\u4ee3\u7801\uff0c\u5219\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u7236\u5b50\u8fdb\u7a0b\u90fd\u53ef\u4ee5\u6267\u884c\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u7236\u5b50\u8fdb\u7a0b\u867d\u7136\u4ee3\u7801\u5171\u4eab\uff0c\u4f46\u662f\u7236\u5b50\u8fdb\u7a0b\u7684\u6570\u636e\u5404\u81ea\u5f00\u8f9f\u7a7a\u95f4\uff08\u91c7\u7528\u5199\u65f6\u62f7\u8d1d\uff09\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u4f7f\u7528fork\u51fd\u6570\u521b\u5efa\u5b50\u8fdb\u7a0b\u540e\u5c31\u6709\u4e86\u4e24\u4e2a\u8fdb\u7a0b\uff0c\u8fd9\u4e24\u4e2a\u8fdb\u7a0b\u88ab\u64cd\u4f5c\u7cfb\u7edf\u8c03\u5ea6\u7684\u987a\u5e8f\u662f\u4e0d\u786e\u5b9a\u7684\uff0c\u8fd9\u53d6\u51b3\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u8c03\u5ea6\u7b97\u6cd5\u7684\u5177\u4f53\u5b9e\u73b0\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f7f\u7528if\u8fdb\u884c\u5206\u6d41<\/h3>\n\n\n\n<p>\u4e0a\u9762\u8bf4\u5230\uff0cfork\u51fd\u6570\u521b\u5efa\u51fa\u6765\u7684\u5b50\u8fdb\u7a0b\u4e0e\u5176\u7236\u8fdb\u7a0b\u5171\u540c\u4f7f\u7528\u4e00\u4efd\u4ee3\u7801\uff0c\u4f46\u6211\u4eec\u5982\u679c\u771f\u7684\u8ba9\u7236\u5b50\u8fdb\u7a0b\u505a\u76f8\u540c\u7684\u4e8b\u60c5\uff0c\u90a3\u4e48\u521b\u5efa\u5b50\u8fdb\u7a0b\u5c31\u6ca1\u6709\u4ec0\u4e48\u610f\u4e49\u4e86\u3002<br>\u5b9e\u9645\u4e0a\uff0c\u5728fork\u4e4b\u540e\u6211\u4eec\u901a\u5e38\u4f7f\u7528if\u8bed\u53e5\u8fdb\u884c\u5206\u6d41\uff0c\u5373\u8ba9\u7236\u8fdb\u7a0b\u548c\u5b50\u8fdb\u7a0b\u505a\u4e0d\u540c\u7684\u4e8b\u3002<\/p>\n\n\n\n<p><strong>fork\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5982\u679c\u5b50\u8fdb\u7a0b\u521b\u5efa\u6210\u529f\uff0c\u5728\u7236\u8fdb\u7a0b\u4e2d\u8fd4\u56de\u5b50\u8fdb\u7a0b\u7684PID\uff0c\u800c\u5728\u5b50\u8fdb\u7a0b\u4e2d\u8fd4\u56de0<\/li>\n\n\n\n<li>\u5982\u679c\u5b50\u8fdb\u7a0b\u521b\u5efa\u5931\u8d25\uff0c\u5219\u5728\u7236\u8fdb\u7a0b\u4e2d\u8fd4\u56de-1<\/li>\n<\/ol>\n\n\n\n<p>\u65e2\u7136\u7236\u8fdb\u7a0b\u548c\u5b50\u8fdb\u7a0b\u83b7\u53d6\u5230fork\u51fd\u6570\u7684\u8fd4\u56de\u503c\u4e0d\u540c\uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u636e\u6b64\u6765\u8ba9\u7236\u5b50\u8fdb\u7a0b\u6267\u884c\u4e0d\u540c\u7684\u4ee3\u7801\uff0c\u4ece\u800c\u505a\u4e0d\u540c\u7684\u4e8b<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946452467849.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946452467849.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>fork\u521b\u5efa\u51fa\u5b50\u8fdb\u7a0b\u540e\uff0c\u5b50\u8fdb\u7a0b\u4f1a\u8fdb\u5165\u5230 if \u8bed\u53e5\u7684\u5faa\u73af\u6253\u5370\u5f53\u4e2d\uff0c\u800c\u7236\u8fdb\u7a0b\u4f1a\u8fdb\u5165\u5230 else if \u8bed\u53e5\u7684\u5faa\u73af\u6253\u5370\u5f53\u4e2d\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946454309855.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946454309855.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Linux\u8fdb\u7a0b\u72b6\u6001<\/h2>\n\n\n\n<p>\u4e00\u4e2a\u8fdb\u7a0b\u4ece\u521b\u5efa\u800c\u4ea7\u751f\u81f3\u64a4\u9500\u800c\u6d88\u4ea1\u7684\u6574\u4e2a\u751f\u547d\u671f\u95f4\uff0c\u6709\u65f6\u5360\u6709\u5904\u7406\u5668\u6267\u884c\uff0c\u6709\u65f6\u867d\u53ef\u8fd0\u884c\u4f46\u5206\u4e0d\u5230\u5904\u7406\u5668\uff0c\u6709\u65f6\u867d\u6709\u7a7a\u95f2\u5904\u7406\u5668\u4f46\u56e0\u7b49\u5f85\u67d0\u4e2a\u65f6\u95f4\u7684\u53d1\u751f\u800c\u65e0\u6cd5\u6267\u884c\uff0c\u8fd9\u4e00\u5207\u90fd\u8bf4\u660e\u8fdb\u7a0b\u548c\u7a0b\u5e8f\u4e0d\u76f8\u540c\uff0c\u8fdb\u7a0b\u662f\u6d3b\u52a8\u7684\u4e14\u6709\u72b6\u6001\u53d8\u5316\u7684\uff0c\u4e8e\u662f\u5c31\u6709\u4e86\u8fdb\u7a0b\u72b6\u6001\u8fd9\u4e00\u6982\u5ff5\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946686741658.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946686741658.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u8fd9\u91cc\u6211\u4eec\u5177\u4f53\u8c08\u4e00\u4e0bLinux\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u8fdb\u7a0b\u72b6\u6001\uff0cLinux\u64cd\u4f5c\u7cfb\u7edf\u7684\u6e90\u4ee3\u7801\u5f53\u4e2d\u5bf9\u4e8e\u8fdb\u7a0b\u72b6\u6001\u6709\u5982\u4e0b\u5b9a\u4e49\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/*\n* The task state array is a strange \"bitmap\" of\n* reasons to sleep. Thus \"running\" is zero, and\n* you can test for combinations of others with\n* simple bit tests.\n*\/\nstatic const char *task_state_array&#91;] = {\n    \"R (running)\",       \/*  0*\/\n    \"S (sleeping)\",      \/*  1*\/\n    \"D (disk sleep)\",    \/*  2*\/\n    \"T (stopped)\",       \/*  4*\/\n    \"T (tracing stop)\",  \/*  8*\/\n    \"Z (zombie)\",        \/* 16*\/\n    \"X (dead)\"           \/* 32*\/\n};<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u8fdb\u7a0b\u7684\u5f53\u524d\u72b6\u6001\u662f\u4fdd\u5b58\u5230\u81ea\u5df1\u7684\u8fdb\u7a0b\u63a7\u5236\u5757\uff08PCB\uff09\u5f53\u4e2d\u7684\uff0c\u5728Linux\u64cd\u4f5c\u7cfb\u7edf\u5f53\u4e2d\u4e5f\u5c31\u662f\u4fdd\u5b58\u5728task_struct\u5f53\u4e2d\u7684\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>\u5728Linux\u64cd\u4f5c\u7cfb\u7edf\u5f53\u4e2d\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7<code>ps aux<\/code>\u6216<code>ps axj<\/code>\u547d\u4ee4\u67e5\u770b\u8fdb\u7a0b\u72b6\u6001<\/p>\n\n\n\n<p><code>ps aux<\/code><\/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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946719636261.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946719636261.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p><code>ps axj<\/code><\/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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946723102164.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946723102164.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fd0\u884c\u72b6\u6001-R<\/h3>\n\n\n\n<p>\u4e00\u4e2a\u8fdb\u7a0b\u5904\u4e8e\u8fd0\u884c\u72b6\u6001\uff08running\uff09\uff0c\u5e76\u4e0d\u610f\u5473\u7740\u8fdb\u7a0b\u4e00\u5b9a\u5904\u4e8e\u8fd0\u884c\u5f53\u4e2d\uff0c\u8fd0\u884c\u72b6\u6001\u8868\u660e\u4e00\u4e2a\u8fdb\u7a0b\u8981\u4e48\u5728\u8fd0\u884c\u4e2d\uff0c\u8981\u4e48\u5728\u8fd0\u884c\u961f\u5217\u91cc\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u53ef\u4ee5\u540c\u65f6\u5b58\u5728\u591a\u4e2aR\u72b6\u6001\u7684\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u6240\u6709\u5904\u4e8e\u8fd0\u884c\u72b6\u6001\uff0c\u5373\u53ef\u88ab\u8c03\u5ea6\u7684\u8fdb\u7a0b\uff0c\u90fd\u88ab\u653e\u5230\u8fd0\u884c\u961f\u5217\u5f53\u4e2d\uff0c\u5f53\u64cd\u4f5c\u7cfb\u7edf\u9700\u8981\u5207\u6362\u8fdb\u7a0b\u8fd0\u884c\u65f6\uff0c\u5c31\u76f4\u63a5\u5728\u8fd0\u884c\u961f\u5217\u4e2d\u9009\u53d6\u8fdb\u7a0b\u8fd0\u884c\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\u6d45\u5ea6\u7761\u7720\u72b6\u6001-S<\/h3>\n\n\n\n<p>\u4e00\u4e2a\u8fdb\u7a0b\u5904\u4e8e\u6d45\u5ea6\u7761\u7720\u72b6\u6001\uff08sleeping\uff09\uff0c\u610f\u5473\u7740\u8be5\u8fdb\u7a0b\u6b63\u5728\u7b49\u5f85\u67d0\u4ef6\u4e8b\u60c5\u7684\u5b8c\u6210\uff0c\u5904\u4e8e\u6d45\u5ea6\u7761\u7720\u72b6\u6001\u7684\u8fdb\u7a0b\u968f\u65f6\u53ef\u4ee5\u88ab\u5524\u9192\uff0c\u4e5f\u53ef\u4ee5\u88ab\u6740\u6389\uff08\u8fd9\u91cc\u7684\u7761\u7720\u6709\u65f6\u5019\u4e5f\u53ef\u53eb\u505a\u53ef\u4e2d\u65ad\u7761\u7720\uff08interruptible sleep\uff09\uff09\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\u6267\u884c\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946758371367.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946758371367.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u4ee3\u7801\u5f53\u4e2d\u8c03\u7528sleep\u51fd\u6570\u8fdb\u884c\u4f11\u7720100\u79d2\uff0c\u5728\u8fd9\u671f\u95f4\u6211\u4eec\u82e5\u662f\u67e5\u770b\u8be5\u8fdb\u7a0b\u7684\u72b6\u6001\uff0c\u5219\u4f1a\u770b\u5230\u8be5\u8fdb\u7a0b\u5904\u4e8e\u6d45\u5ea6\u7761\u7720\u72b6\u6001\u3002<\/p>\n\n\n\n<p><code>ps aux | head -1 &amp;&amp; ps aux | grep proc | grep -v grep<\/code><\/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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946764009470.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946764009470.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u800c\u5904\u4e8e\u6d45\u5ea6\u7761\u7720\u72b6\u6001\u7684\u8fdb\u7a0b\u662f\u53ef\u4ee5\u88ab\u6740\u6389\u7684\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528kill\u547d\u4ee4\u5c06\u8be5\u8fdb\u7a0b\u6740\u6389\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946778291276.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946778291276.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u6df1\u5ea6\u7761\u7720\u72b6\u6001-D<\/h3>\n\n\n\n<p>\u4e00\u4e2a\u8fdb\u7a0b\u5904\u4e8e\u6df1\u5ea6\u7761\u7720\u72b6\u6001\uff08disk sleep\uff09\uff0c\u8868\u793a\u8be5\u8fdb\u7a0b\u4e0d\u4f1a\u88ab\u6740\u6389\uff0c\u5373\u4fbf\u662f\u64cd\u4f5c\u7cfb\u7edf\u4e5f\u4e0d\u884c\uff0c\u53ea\u6709\u8be5\u8fdb\u7a0b\u81ea\u52a8\u5524\u9192\u624d\u53ef\u4ee5\u6062\u590d\u3002\u8be5\u72b6\u6001\u6709\u65f6\u5019\u4e5f\u53eb\u4e0d\u53ef\u4e2d\u65ad\u7761\u7720\u72b6\u6001\uff08uninterruptible sleep\uff09\uff0c\u5904\u4e8e\u8fd9\u4e2a\u72b6\u6001\u7684\u8fdb\u7a0b\u901a\u5e38\u4f1a\u7b49\u5f85IO\u7684\u7ed3\u675f\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u67d0\u4e00\u8fdb\u7a0b\u8981\u6c42\u5bf9\u78c1\u76d8\u8fdb\u884c\u5199\u5165\u64cd\u4f5c\uff0c\u90a3\u4e48\u5728\u78c1\u76d8\u8fdb\u884c\u5199\u5165\u671f\u95f4\uff0c\u8be5\u8fdb\u7a0b\u5c31\u5904\u4e8e\u6df1\u5ea6\u7761\u7720\u72b6\u6001\uff0c\u662f\u4e0d\u4f1a\u88ab\u6740\u6389\u7684\uff0c\u56e0\u4e3a\u8be5\u8fdb\u7a0b\u9700\u8981\u7b49\u5f85\u78c1\u76d8\u7684\u56de\u590d\uff08\u662f\u5426\u5199\u5165\u6210\u529f\uff09\u4ee5\u505a\u51fa\u76f8\u5e94\u7684\u5e94\u7b54\u3002\uff08\u78c1\u76d8\u4f11\u7720\u72b6\u6001\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6682\u505c\u72b6\u6001-T<\/h3>\n\n\n\n<p>\u5728Linux\u5f53\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u53d1\u9001SIGSTOP\u4fe1\u53f7\u4f7f\u8fdb\u7a0b\u8fdb\u5165\u6682\u505c\u72b6\u6001\uff08stopped\uff09\uff0c\u53d1\u9001SIGCONT\u4fe1\u53f7\u53ef\u4ee5\u8ba9\u5904\u4e8e\u6682\u505c\u72b6\u6001\u7684\u8fdb\u7a0b\u7ee7\u7eed\u8fd0\u884c\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u6211\u4eec\u5bf9\u4e00\u4e2a\u8fdb\u7a0b\u53d1\u9001SIGSTOP\u4fe1\u53f7\uff0c\u8be5\u8fdb\u7a0b\u5c31\u8fdb\u5165\u5230\u4e86\u6682\u505c\u72b6\u6001\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946818208279.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946818208279.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6211\u4eec\u518d\u5bf9\u8be5\u8fdb\u7a0b\u53d1\u9001SIGCONT\u4fe1\u53f7\uff0c\u8be5\u8fdb\u7a0b\u5c31\u7ee7\u7eed\u8fd0\u884c\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946820916582.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946820916582.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u4f7f\u7528kill\u547d\u4ee4\u53ef\u4ee5\u5217\u51fa\u5f53\u524d\u7cfb\u7edf\u6240\u652f\u6301\u7684\u4fe1\u53f7\u96c6\u3002<\/p>\n<\/blockquote>\n\n\n\n<p><code>kill -l<\/code><\/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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946826795885.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946826795885.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u50f5\u5c38\u72b6\u6001-Z<\/h3>\n\n\n\n<p>\u5f53\u4e00\u4e2a\u8fdb\u7a0b\u5c06\u8981\u9000\u51fa\u7684\u65f6\u5019\uff0c\u5728\u7cfb\u7edf\u5c42\u9762\uff0c\u8be5\u8fdb\u7a0b\u66fe\u7ecf\u7533\u8bf7\u7684\u8d44\u6e90\u5e76\u4e0d\u662f\u7acb\u5373\u88ab\u91ca\u653e\uff0c\u800c\u662f\u8981\u6682\u65f6\u5b58\u50a8\u4e00\u6bb5\u65f6\u95f4\uff0c\u4ee5\u4f9b\u64cd\u4f5c\u7cfb\u7edf\u6216\u662f\u5176\u7236\u8fdb\u7a0b\u8fdb\u884c\u8bfb\u53d6\uff0c\u5982\u679c\u9000\u51fa\u4fe1\u606f\u4e00\u76f4\u672a\u88ab\u8bfb\u53d6\uff0c\u5219\u76f8\u5173\u6570\u636e\u662f\u4e0d\u4f1a\u88ab\u91ca\u653e\u6389\u7684\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u82e5\u662f\u6b63\u5728\u7b49\u5f85\u5176\u9000\u51fa\u4fe1\u606f\u88ab\u8bfb\u53d6\uff0c\u90a3\u4e48\u6211\u4eec\u79f0\u8be5\u8fdb\u7a0b\u5904\u4e8e\u50f5\u5c38\u72b6\u6001\uff08zombie\uff09\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u50f5\u5c38\u72b6\u6001\u7684\u5b58\u5728\u662f\u5fc5\u8981\u7684\uff0c\u56e0\u4e3a\u8fdb\u7a0b\u88ab\u521b\u5efa\u7684\u76ee\u7684\u5c31\u662f\u5b8c\u6210\u67d0\u9879\u4efb\u52a1\uff0c\u90a3\u4e48\u5f53\u4efb\u52a1\u5b8c\u6210\u7684\u65f6\u5019\uff0c\u8c03\u7528\u65b9\u662f\u5e94\u8be5\u77e5\u9053\u4efb\u52a1\u7684\u5b8c\u6210\u60c5\u51b5\u7684\uff0c\u6240\u4ee5\u5fc5\u987b\u5b58\u5728\u50f5\u5c38\u72b6\u6001\uff0c\u4f7f\u5f97\u8c03\u7528\u65b9\u5f97\u77e5\u4efb\u52a1\u7684\u5b8c\u6210\u60c5\u51b5\uff0c\u4ee5\u4fbf\u8fdb\u884c\u76f8\u5e94\u7684\u540e\u7eed\u64cd\u4f5c\u3002<br>\u4f8b\u5982\uff0c\u6211\u4eec\u5199\u4ee3\u7801\u65f6\u90fd\u5728\u4e3b\u51fd\u6570\u6700\u540e\u8fd4\u56de0\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946858015788.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946858015788.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u5b9e\u9645\u4e0a\u8fd9\u4e2a0\u5c31\u662f\u8fd4\u56de\u7ed9\u64cd\u4f5c\u7cfb\u7edf\u7684\uff0c\u544a\u8bc9\u64cd\u4f5c\u7cfb\u7edf\u4ee3\u7801\u987a\u5229\u6267\u884c\u7ed3\u675f\u3002\u5728Linux\u64cd\u4f5c\u7cfb\u7edf\u5f53\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528<code>echo $?<\/code>\u547d\u4ee4\u83b7\u53d6\u6700\u8fd1\u4e00\u6b21\u8fdb\u7a0b\u9000\u51fa\u65f6\u7684\u9000\u51fa\u7801\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\/ae72f593670b45faa62d38d24c0dcf46.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/ae72f593670b45faa62d38d24c0dcf46.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u8fdb\u7a0b\u9000\u51fa\u7684\u4fe1\u606f\uff08\u4f8b\u5982\u9000\u51fa\u7801\uff09\uff0c\u662f\u6682\u65f6\u88ab\u4fdd\u5b58\u5728\u5176\u8fdb\u7a0b\u63a7\u5236\u5757\u5f53\u4e2d\u7684\uff0c\u5728Linux\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u4e5f\u5c31\u662f\u4fdd\u5b58\u5728\u8be5\u8fdb\u7a0b\u7684task_struct\u5f53\u4e2d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6b7b\u4ea1\u72b6\u6001-X<\/h3>\n\n\n\n<p>\u6b7b\u4ea1\u72b6\u6001\u53ea\u662f\u4e00\u4e2a\u8fd4\u56de\u72b6\u6001\uff0c\u5f53\u4e00\u4e2a\u8fdb\u7a0b\u7684\u9000\u51fa\u4fe1\u606f\u88ab\u8bfb\u53d6\u540e\uff0c\u8be5\u8fdb\u7a0b\u6240\u7533\u8bf7\u7684\u8d44\u6e90\u5c31\u4f1a\u7acb\u5373\u88ab\u91ca\u653e\uff0c\u8be5\u8fdb\u7a0b\u4e5f\u5c31\u4e0d\u5b58\u5728\u4e86\uff0c\u6240\u4ee5\u4f60\u4e0d\u4f1a\u5728\u4efb\u52a1\u5217\u8868\u5f53\u4e2d\u770b\u5230\u6b7b\u4ea1\u72b6\u6001\uff08dead\uff09\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u50f5\u5c38\u8fdb\u7a0b<\/h2>\n\n\n\n<p>\u524d\u9762\u8bf4\u5230\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u82e5\u662f\u6b63\u5728\u7b49\u5f85\u5176\u9000\u51fa\u4fe1\u606f\u88ab\u8bfb\u53d6\uff0c\u90a3\u4e48\u6211\u4eec\u79f0\u8be5\u8fdb\u7a0b\u5904\u4e8e\u50f5\u5c38\u72b6\u6001\u3002\u800c\u5904\u4e8e\u50f5\u5c38\u72b6\u6001\u7684\u8fdb\u7a0b\uff0c\u6211\u4eec\u5c31\u79f0\u4e4b\u4e3a\u50f5\u5c38\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5bf9\u4e8e\u4ee5\u4e0b\u4ee3\u7801\uff0cfork\u51fd\u6570\u521b\u5efa\u7684\u5b50\u8fdb\u7a0b\u5728\u6253\u53705\u6b21\u4fe1\u606f\u540e\u4f1a\u9000\u51fa\uff0c\u800c\u7236\u8fdb\u7a0b\u4f1a\u4e00\u76f4\u6253\u5370\u4fe1\u606f\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5b50\u8fdb\u7a0b\u9000\u51fa\u4e86\uff0c\u7236\u8fdb\u7a0b\u8fd8\u5728\u8fd0\u884c\uff0c\u4f46\u7236\u8fdb\u7a0b\u6ca1\u6709\u8bfb\u53d6\u5b50\u8fdb\u7a0b\u7684\u9000\u51fa\u4fe1\u606f\uff0c\u90a3\u4e48\u6b64\u65f6\u5b50\u8fdb\u7a0b\u5c31\u8fdb\u5165\u4e86\u50f5\u5c38\u72b6\u6001\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;unistd.h&gt;\nint main()\n{\n    printf(\"I am running...\\n\");\n    pid_t id = fork();\n    if(id == 0){ \/\/child\n        int count = 5;\n        while(count){\n            printf(\"I am child...PID:%d, PPID:%d, count:%d\\n\", getpid(), getppid(), count);\n            sleep(1);\n            count--;\n        }\n        printf(\"child quit...\\n\");\n        exit(1);\n    }\n    else if(id &gt; 0){ \/\/father\n        while(1){\n            printf(\"I am father...PID:%d, PPID:%d\\n\", getpid(), getppid());\n            sleep(1);\n        }\n    }\n    else{ \/\/fork error\n    }\n    return 0;\n} <\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u8be5\u4ee3\u7801\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u76d1\u63a7\u811a\u672c\uff0c\u6bcf\u9694\u4e00\u79d2\u5bf9\u8be5\u8fdb\u7a0b\u7684\u4fe1\u606f\u8fdb\u884c\u68c0\u6d4b\u3002<\/p>\n\n\n\n<p><code>while :; do ps axj | head -1 &amp;&amp; ps axj | grep proc | grep -v grep;echo \"######################\";sleep 1;done<\/code><\/p>\n\n\n\n<p>\u68c0\u6d4b\u540e\u5373\u53ef\u53d1\u73b0\uff0c\u5f53\u5b50\u8fdb\u7a0b\u9000\u51fa\u540e\uff0c\u5b50\u8fdb\u7a0b\u7684\u72b6\u6001\u5c31\u53d8\u6210\u4e86\u50f5\u5c38\u72b6\u6001\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946972657993.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166946972657993.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u50f5\u5c38\u8fdb\u7a0b\u7684\u5371\u5bb3<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u50f5\u5c38\u8fdb\u7a0b\u7684\u9000\u51fa\u72b6\u6001\u5fc5\u987b\u4e00\u76f4\u7ef4\u6301\u4e0b\u53bb\uff0c\u56e0\u4e3a\u5b83\u8981\u544a\u8bc9\u5176\u7236\u8fdb\u7a0b\u76f8\u5e94\u7684\u9000\u51fa\u4fe1\u606f\u3002\u53ef\u662f\u7236\u8fdb\u7a0b\u4e00\u76f4\u4e0d\u8bfb\u53d6\uff0c\u90a3\u4e48\u5b50\u8fdb\u7a0b\u4e5f\u5c31\u4e00\u76f4\u5904\u4e8e\u50f5\u5c38\u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u50f5\u5c38\u8fdb\u7a0b\u7684\u9000\u51fa\u4fe1\u606f\u88ab\u4fdd\u5b58\u5728task_struct(PCB)\u4e2d\uff0c\u50f5\u5c38\u72b6\u6001\u4e00\u76f4\u4e0d\u9000\u51fa\uff0c\u90a3\u4e48PCB\u5c31\u4e00\u76f4\u9700\u8981\u8fdb\u884c\u7ef4\u62a4\u3002<\/li>\n\n\n\n<li>\u82e5\u662f\u4e00\u4e2a\u7236\u8fdb\u7a0b\u521b\u5efa\u4e86\u5f88\u591a\u5b50\u8fdb\u7a0b\uff0c\u4f46\u90fd\u4e0d\u8fdb\u884c\u56de\u6536\uff0c\u90a3\u4e48\u5c31\u4f1a\u9020\u6210\u8d44\u6e90\u6d6a\u8d39\uff0c\u56e0\u4e3a\u6570\u636e\u7ed3\u6784\u5bf9\u8c61\u672c\u8eab\u5c31\u8981\u5360\u7528\u5185\u5b58\u3002<\/li>\n\n\n\n<li>\u50f5\u5c38\u8fdb\u7a0b\u7533\u8bf7\u7684\u8d44\u6e90\u65e0\u6cd5\u8fdb\u884c\u56de\u6536\uff0c\u90a3\u4e48\u50f5\u5c38\u8fdb\u7a0b\u8d8a\u591a\uff0c\u5b9e\u9645\u53ef\u7528\u7684\u8d44\u6e90\u5c31\u8d8a\u5c11\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u50f5\u5c38\u8fdb\u7a0b\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b64\u513f\u8fdb\u7a0b<\/h2>\n\n\n\n<p>\u5728Linux\u5f53\u4e2d\u7684\u8fdb\u7a0b\u5173\u7cfb\u5927\u591a\u6570\u662f\u7236\u5b50\u5173\u7cfb\uff0c\u82e5\u5b50\u8fdb\u7a0b\u5148\u9000\u51fa\u800c\u7236\u8fdb\u7a0b\u6ca1\u6709\u5bf9\u5b50\u8fdb\u7a0b\u7684\u9000\u51fa\u4fe1\u606f\u8fdb\u884c\u8bfb\u53d6\uff0c\u90a3\u4e48\u6211\u4eec\u79f0\u8be5\u8fdb\u7a0b\u4e3a\u50f5\u5c38\u8fdb\u7a0b\u3002\u4f46\u82e5\u662f\u7236\u8fdb\u7a0b\u5148\u9000\u51fa\uff0c\u90a3\u4e48\u5c06\u6765\u5b50\u8fdb\u7a0b\u8fdb\u5165\u50f5\u5c38\u72b6\u6001\u65f6\u5c31\u6ca1\u6709\u7236\u8fdb\u7a0b\u5bf9\u5176\u8fdb\u884c\u5904\u7406\uff0c\u6b64\u65f6\u8be5\u5b50\u8fdb\u7a0b\u5c31\u79f0\u4e4b\u4e3a\u5b64\u513f\u8fdb\u7a0b\u3002<br>\u82e5\u662f\u4e00\u76f4\u4e0d\u5904\u7406\u5b64\u513f\u8fdb\u7a0b\u7684\u9000\u51fa\u4fe1\u606f\uff0c\u90a3\u4e48\u5b64\u513f\u8fdb\u7a0b\u5c31\u4f1a\u4e00\u76f4\u5360\u7528\u8d44\u6e90\uff0c\u6b64\u65f6\u5c31\u4f1a\u9020\u6210\u5185\u5b58\u6cc4\u6f0f\u3002\u56e0\u6b64\uff0c\u5f53\u51fa\u73b0\u5b64\u513f\u8fdb\u7a0b\u7684\u65f6\u5019\uff0c\u5b64\u513f\u8fdb\u7a0b\u4f1a\u88ab1\u53f7init\u8fdb\u7a0b\u9886\u517b\uff0c\u6b64\u540e\u5f53\u5b64\u513f\u8fdb\u7a0b\u8fdb\u5165\u50f5\u5c38\u72b6\u6001\u65f6\u5c31\u7531int\u8fdb\u7a0b\u8fdb\u884c\u5904\u7406\u56de\u6536\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5bf9\u4e8e\u4ee5\u4e0b\u4ee3\u7801\uff0cfork\u51fd\u6570\u521b\u5efa\u7684\u5b50\u8fdb\u7a0b\u4f1a\u4e00\u76f4\u6253\u5370\u4fe1\u606f\uff0c\u800c\u7236\u8fdb\u7a0b\u5728\u6253\u53705\u6b21\u4fe1\u606f\u540e\u4f1a\u9000\u51fa\uff0c\u6b64\u65f6\u8be5\u5b50\u8fdb\u7a0b\u5c31\u53d8\u6210\u4e86\u5b64\u513f\u8fdb\u7a0b\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;unistd.h&gt;\nint main()\n{\n    printf(\"I am running...\\n\");\n    pid_t id = fork();\n    if(id == 0){ \/\/child\n        int count = 5;\n        while(1){\n            printf(\"I am child...PID:%d, PPID:%d\\n\", getpid(), getppid(), count);\n            sleep(1);\n        }\n    }\n    else if(id &gt; 0){ \/\/father\n        int count = 5;\n        while(count){\n            printf(\"I am father...PID:%d, PPID:%d, count:%d\\n\", getpid(), getppid(), count);\n            sleep(1);\n            count--;\n        }\n        printf(\"father quit...\\n\");\n        exit(0);\n    }\n    else{ \/\/fork error\n    }\n    return 0;\n} <\/code><\/pre>\n\n\n\n<p>\u89c2\u5bdf\u4ee3\u7801\u8fd0\u884c\u7ed3\u679c\uff0c\u5728\u7236\u8fdb\u7a0b\u672a\u9000\u51fa\u65f6\uff0c\u5b50\u8fdb\u7a0b\u7684PPID\u5c31\u662f\u7236\u8fdb\u7a0b\u7684PID\uff0c\u800c\u5f53\u7236\u8fdb\u7a0b\u9000\u51fa\u540e\uff0c\u5b50\u8fdb\u7a0b\u7684PPID\u5c31\u53d8\u6210\u4e861\uff0c\u5373\u5b50\u8fdb\u7a0b\u88ab1\u53f7\u8fdb\u7a0b\u9886\u517b\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166947020141096.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166947020141096.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u8fdb\u7a0b\u4f18\u5148\u7ea7<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u57fa\u672c\u6982\u5ff5<\/h3>\n\n\n\n<p><strong>\u4ec0\u4e48\u662f\u4f18\u5148\u7ea7\uff1f<\/strong><br>\u4f18\u5148\u7ea7\u5b9e\u9645\u4e0a\u5c31\u662f\u83b7\u53d6\u67d0\u79cd\u8d44\u6e90\u7684\u5148\u540e\u987a\u5e8f\uff0c\u800c\u8fdb\u7a0b\u4f18\u5148\u7ea7\u5b9e\u9645\u4e0a\u5c31\u662f\u8fdb\u7a0b\u83b7\u53d6CPU\u8d44\u6e90\u5206\u914d\u7684\u5148\u540e\u987a\u5e8f\uff0c\u5c31\u662f\u6307\u8fdb\u7a0b\u7684\u4f18\u5148\u6743\uff08priority\uff09\uff0c\u4f18\u5148\u6743\u9ad8\u7684\u8fdb\u7a0b\u6709\u4f18\u5148\u6267\u884c\u7684\u6743\u529b\u3002<\/p>\n\n\n\n<p><strong>\u4f18\u5148\u7ea7\u5b58\u5728\u7684\u539f\u56e0\uff1f<\/strong><\/p>\n\n\n\n<p>\u4f18\u5148\u7ea7\u5b58\u5728\u7684\u4e3b\u8981\u539f\u56e0\u5c31\u662f\u8d44\u6e90\u662f\u6709\u9650\u7684\uff0c\u800c\u5b58\u5728\u8fdb\u7a0b\u4f18\u5148\u7ea7\u7684\u4e3b\u8981\u539f\u56e0\u5c31\u662fCPU\u8d44\u6e90\u662f\u6709\u9650\u7684\uff0c\u4e00\u4e2aCPU\u4e00\u6b21\u53ea\u80fd\u8dd1\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u800c\u8fdb\u7a0b\u662f\u53ef\u4ee5\u6709\u591a\u4e2a\u7684\uff0c\u6240\u4ee5\u9700\u8981\u5b58\u5728\u8fdb\u7a0b\u4f18\u5148\u7ea7\uff0c\u6765\u786e\u5b9a\u8fdb\u7a0b\u83b7\u53d6CPU\u8d44\u6e90\u7684\u5148\u540e\u987a\u5e8f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u67e5\u770b\u7cfb\u7edf\u8fdb\u7a0b<\/h3>\n\n\n\n<p>\u5728Linux\u6216\u8005Unix\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u7528ps -l\u547d\u4ee4\u4f1a\u7c7b\u4f3c\u8f93\u51fa\u4ee5\u4e0b\u51e0\u4e2a\u5185\u5bb9\uff1a<\/p>\n\n\n\n<p><code>ps -l<\/code><\/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\/54cce9ae911646d2a2e58f10327b447b.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/54cce9ae911646d2a2e58f10327b447b.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u5bf9\u51e0\u4e2a\u91cd\u8981\u4fe1\u606f\u8fdb\u884c\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>UID\uff1a\u4ee3\u8868\u6267\u884c\u8005\u7684\u8eab\u4efd<\/li>\n\n\n\n<li>PID\uff1a\u4ee3\u8868\u8fd9\u4e2a\u8fdb\u7a0b\u7684\u4ee3\u53f7<\/li>\n\n\n\n<li>PPID\uff1a\u4ee3\u8868\u8fd9\u4e2a\u8fdb\u7a0b\u662f\u7531\u54ea\u4e2a\u8fdb\u7a0b\u884d\u751f\u800c\u6765\u7684\uff0c\u5373\u7236\u8fdb\u7a0b\u7684\u4ee3\u53f7<\/li>\n\n\n\n<li>PRI\uff1a\u4ee3\u8868\u8fd9\u4e2a\u8fdb\u7a0b\u53ef\u88ab\u6267\u884c\u7684\u4f18\u5148\u7ea7\uff0c\u5176\u503c\u8d8a\u5c0f\u8d8a\u65e9\u88ab\u6267\u884c<\/li>\n\n\n\n<li>NI\uff1a\u4ee3\u8868\u8fd9\u4e2a\u8fdb\u7a0b\u7684nice\u503c<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">PRI\u4e0eNI<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PRI\u4ee3\u8868\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\uff08priority\uff09\uff0c\u901a\u4fd7\u70b9\u8bf4\u5c31\u662f\u8fdb\u7a0b\u88abCPU\u6267\u884c\u7684\u5148\u540e\u987a\u5e8f\uff0c\u8be5\u503c\u8d8a\u5c0f\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u522b\u8d8a\u9ad8\u3002<\/li>\n\n\n\n<li>NI\u4ee3\u8868\u7684\u662fnice\u503c\uff0c\u5176\u8868\u793a\u8fdb\u7a0b\u88ab\u6267\u884c\u7684\u4f18\u5148\u7ea7\u7684\u4fee\u6b63\u6570\u503c<\/li>\n\n\n\n<li>PRI\u503c\u8d8a\u5c0f\u8d8a\u5feb\u88ab\u6267\u884c\uff0c\u5f53\u52a0\u5165nice\u503c\u540e\uff0c\u5c06\u4f1a\u4f7f\u5f97PRI\u53d8\u4e3a\uff1aPRI(new) = PRI(old) + NI<\/li>\n\n\n\n<li>\u82e5NI\u503c\u4e3a\u8d1f\u503c\uff0c\u90a3\u4e48\u8be5\u8fdb\u7a0b\u7684PRI\u5c06\u53d8\u5c0f\uff0c\u5373\u5176\u4f18\u5148\u7ea7\u4f1a\u53d8\u9ad8<\/li>\n\n\n\n<li>\u8c03\u6574\u8fdb\u7a0b\u4f18\u5148\u7ea7\uff0c\u5728Linux\u4e0b\uff0c\u5c31\u662f\u8c03\u6574\u8fdb\u7a0b\u7684nice\u503c<\/li>\n\n\n\n<li>NI\u7684\u53d6\u503c\u8303\u56f4-20\u81f319\uff0c\u4e00\u517140\u4e2a\u7ea7\u522b<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u5728Linux\u64cd\u4f5c\u7cfb\u7edf\u5f53\u4e2d\uff0cPRI(old)\u9ed8\u8ba4\u4e3a80\uff0c\u5373PRI = 80 + NI<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\u67e5\u770b\u8fdb\u7a0b\u4f18\u5148\u7ea7\u4fe1\u606f<\/h3>\n\n\n\n<p>\u5f53\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u8fdb\u7a0b\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<code>ps -al<\/code>\u547d\u4ee4\u67e5\u770b\u8be5\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u7684\u4fe1\u606f<\/p>\n\n\n\n<p><code>ps -al<\/code><\/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\/image-20221126233929120.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20221126233929120.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20221126233929120\"\/><\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u5728Linux\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u521d\u59cb\u8fdb\u7a0b\u4e00\u822c\u4f18\u5148\u7ea7PRI\u9ed8\u8ba4\u4e3a80\uff0cNI\u9ed8\u8ba4\u4e3a0<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\u901a\u8fc7top\u547d\u4ee4\u66f4\u6539\u8fdb\u7a0b\u7684nice\u503c<\/h3>\n\n\n\n<p>top\u547d\u4ee4\u5c31\u76f8\u5f53\u4e8eWindows\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u4efb\u52a1\u7ba1\u7406\u5668\uff0c\u5b83\u80fd\u591f\u52a8\u6001\u5b9e\u65f6\u7684\u663e\u793a\u7cfb\u7edf\u5f53\u4e2d\u8fdb\u7a0b\u7684\u8d44\u6e90\u5360\u7528\u60c5\u51b5<\/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\/image-20221126234534608.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20221126234534608.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20221126234534608\"\/><\/div><\/figure>\n\n\n\n<p>\u4f7f\u7528top\u547d\u4ee4\u540e\u6309\u201cr\u201d\u952e\uff0c\u4f1a\u8981\u6c42\u4f60\u8f93\u5165\u5f85\u8c03\u6574nice\u503c\u7684\u8fdb\u7a0b\u7684PID<\/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\/image-20221126234659867.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20221126234659867.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20221126234659867\"\/><\/div><\/figure>\n\n\n\n<p>\u8f93\u5165\u8fdb\u7a0bPID\u5e76\u56de\u8f66\u540e\uff0c\u4f1a\u8981\u6c42\u4f60\u8f93\u5165\u8c03\u6574\u540e\u7684nice\u503c\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\/image-20221126234743335.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20221126234743335.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20221126234743335\"\/><\/div><\/figure>\n\n\n\n<p>\u8f93\u5165nice\u503c\u540e\u6309\u201cq\u201d\u5373\u53ef\u9000\u51fa\uff0c\u5982\u679c\u6211\u4eec\u8fd9\u91cc\u8f93\u5165\u7684nice\u503c\u4e3a10\uff0c\u90a3\u4e48\u6b64\u65f6\u6211\u4eec\u518d\u7528ps\u547d\u4ee4\u67e5\u770b\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u4fe1\u606f\uff0c\u5373\u53ef\u53d1\u73b0\u8fdb\u7a0b\u7684NI\u53d8\u6210\u4e8610\uff0cPRI\u53d8\u6210\u4e8690\uff0880+NI\uff09\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\/image-20221126234846088.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20221126234846088.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20221126234846088\"\/><\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u82e5\u662f\u60f3\u5c06NI\u503c\u8c03\u4e3a\u8d1f\u503c\uff0c\u4e5f\u5c31\u662f\u5c06\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u8c03\u9ad8\uff0c\u9700\u8981\u4f7f\u7528sudo\u547d\u4ee4\u63d0\u5347\u6743\u9650<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\u901a\u8fc7renice\u547d\u4ee4\u66f4\u6539\u8fdb\u7a0b\u7684nice\u503c<\/h3>\n\n\n\n<p><code>renice \u65b0\u7684nice\u503c \u8fdb\u7a0b\u7684PID<\/code><\/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\/image-20221126235233600.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20221126235233600.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20221126235233600\"\/><\/div><\/figure>\n\n\n\n<p>\u4e4b\u540e\u6211\u4eec\u518d\u7528ps\u547d\u4ee4\u67e5\u770b\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u4fe1\u606f\uff0c\u4e5f\u53ef\u4ee5\u53d1\u73b0\u8fdb\u7a0b\u7684NI\u53d8\u6210\u4e8610\uff0cPRI\u53d8\u6210\u4e8690\uff0880+NI\uff09\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\/image-20221126235515175.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20221126235515175.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20221126235515175\"\/><\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u82e5\u662f\u60f3\u4f7f\u7528renice\u547d\u4ee4\u5c06NI\u503c\u8c03\u4e3a\u8d1f\u503c\uff0c\u4e5f\u9700\u8981\u4f7f\u7528sudo\u547d\u4ee4\u63d0\u5347\u6743\u9650\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\u56db\u4e2a\u91cd\u8981\u6982\u5ff5<\/h3>\n\n\n\n<p><strong>\u7ade\u4e89\u6027\uff1a<\/strong> \u7cfb\u7edf\u8fdb\u7a0b\u6570\u76ee\u4f17\u591a\uff0c\u800cCPU\u8d44\u6e90\u53ea\u6709\u5c11\u91cf\uff0c\u751a\u81f31\u4e2a\uff0c\u6240\u4ee5\u8fdb\u7a0b\u4e4b\u95f4\u662f\u5177\u6709\u7ade\u4e89\u5c5e\u6027\u7684\u3002\u4e3a\u4e86\u9ad8\u6548\u5b8c\u6210\u4efb\u52a1\uff0c\u66f4\u5408\u7406\u7ade\u4e89\u76f8\u5173\u8d44\u6e90\uff0c\u4fbf\u6709\u4e86\u4f18\u5148\u7ea7\u3002<\/p>\n\n\n\n<p><strong>\u72ec\u7acb\u6027\uff1a<\/strong> \u591a\u8fdb\u7a0b\u8fd0\u884c\uff0c\u9700\u8981\u72ec\u4eab\u5404\u79cd\u8d44\u6e90\uff0c\u591a\u8fdb\u7a0b\u8fd0\u884c\u671f\u95f4\u4e92\u4e0d\u5e72\u6270\u3002<\/p>\n\n\n\n<p><strong>\u5e76\u884c\uff1a<\/strong> \u591a\u4e2a\u8fdb\u7a0b\u5728\u591a\u4e2aCPU\u4e0b\u5206\u522b\u540c\u65f6\u8fdb\u884c\u8fd0\u884c\uff0c\u8fd9\u79f0\u4e4b\u4e3a\u5e76\u884c\u3002<\/p>\n\n\n\n<p><strong>\u5e76\u53d1\uff1a<\/strong> \u591a\u4e2a\u8fdb\u7a0b\u5728\u4e00\u4e2aCPU\u4e0b\u91c7\u7528\u8fdb\u7a0b\u5207\u6362\u7684\u65b9\u5f0f\uff0c\u5728\u4e00\u6bb5\u65f6\u95f4\u4e4b\u5185\uff0c\u8ba9\u591a\u4e2a\u8fdb\u7a0b\u90fd\u5f97\u4ee5\u63a8\u8fdb\uff0c\u79f0\u4e4b\u4e3a\u5e76\u53d1\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u73af\u5883\u53d8\u91cf<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u57fa\u672c\u6982\u5ff5<\/h3>\n\n\n\n<p>\u73af\u5883\u53d8\u91cf\uff08environment variables\uff09\u4e00\u822c\u662f\u6307\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7528\u6765\u6307\u5b9a\u64cd\u4f5c\u7cfb\u7edf\u8fd0\u884c\u73af\u5883\u7684\u4e00\u4e9b\u53c2\u6570\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4f8b\u5982\uff0c\u6211\u4eec\u7f16\u5199\u7684C\/C++\u4ee3\u7801\uff0c\u5728\u5404\u4e2a\u76ee\u6807\u6587\u4ef6\u8fdb\u884c\u94fe\u63a5\u7684\u65f6\u5019\uff0c\u4ece\u6765\u4e0d\u77e5\u9053\u6211\u4eec\u6240\u94fe\u63a5\u7684\u52a8\u9759\u6001\u5e93\u5728\u54ea\u91cc\uff0c\u4f46\u662f\u7167\u6837\u53ef\u4ee5\u94fe\u63a5\u6210\u529f\uff0c\u751f\u6210\u53ef\u6267\u884c\u7a0b\u5e8f\uff0c\u539f\u56e0\u5c31\u662f\u6709\u76f8\u5173\u73af\u5883\u53d8\u91cf\u5e2e\u52a9\u7f16\u8bd1\u5668\u8fdb\u884c\u67e5\u627e\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>\u73af\u5883\u53d8\u91cf\u901a\u5e38\u5177\u6709\u67d0\u4e9b\u7279\u6b8a\u7528\u9014\uff0c\u5e76\u4e14\u5728\u7cfb\u7edf\u5f53\u4e2d\u901a\u5e38\u5177\u6709\u5168\u5c40\u7279\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e38\u89c1\u73af\u5883\u53d8\u91cf<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PATH\uff1a<\/strong> \u6307\u5b9a\u547d\u4ee4\u7684\u641c\u7d22\u8def\u5f84\u3002<\/li>\n\n\n\n<li><strong>HOME\uff1a<\/strong> \u6307\u5b9a\u7528\u6237\u7684\u4e3b\u5de5\u4f5c\u76ee\u5f55\uff08\u5373\u7528\u6237\u767b\u5f55\u5230Linux\u7cfb\u7edf\u4e2d\u7684\u9ed8\u8ba4\u6240\u5904\u76ee\u5f55\uff09\u3002<\/li>\n\n\n\n<li><strong>SHELL\uff1a<\/strong> \u5f53\u524dShell\uff0c\u5b83\u7684\u503c\u901a\u5e38\u662f\/bin\/bash\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u67e5\u770b\u73af\u5883\u53d8\u91cf\u7684\u65b9\u6cd5<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7echo\u547d\u4ee4\u6765\u67e5\u770b\u73af\u5883\u53d8\u91cf\uff0c\u65b9\u5f0f\u5982\u4e0b\uff1a<br><code>echo $NAME<\/code><\/li>\n\n\n\n<li>\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7env\u547d\u4ee4\u6765\u67e5\u770b\u5f53\u524d\u7528\u6237\u5168\u90e8\u7684\u73af\u5883\u53d8\u91cf <code>env<\/code> \u7528env\u547d\u4ee4\u7684\u65f6\u5019\uff0c\u6ee1\u5c4f\u663e\u793a\u4e86\u5f88\u591a\u73af\u5883\u53d8\u91cf\uff0c\u4e0d\u65b9\u4fbf\u67e5\u770b\uff0c\u53ef\u4ee5\u7528grep\u7b5b\u9009 <code>env|grep \u73af\u5883\u53d8\u91cf\u540d<\/code> \u793a\u4f8b\uff1a <code>env|grep PATH<\/code> <img decoding=\"async\" src=\"https:\/\/cdn.codergodv.xyz\/image-20221127001346004.png\" alt=\"image-20221127001346004\"><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u6d4b\u8bd5PATH<\/h3>\n\n\n\n<p>\u5927\u5bb6\u6709\u6ca1\u6709\u60f3\u8fc7\u8fd9\u6837\u4e00\u4e2a\u95ee\u9898\uff1a\u4e3a\u4ec0\u4e48\u6267\u884cls\u547d\u4ee4\u7684\u65f6\u5019\u4e0d\u7528\u5e26.\/\u5c31\u53ef\u4ee5\u6267\u884c\uff0c\u800c\u6211\u4eec\u81ea\u5df1\u751f\u6210\u7684\u53ef\u6267\u884c\u7a0b\u5e8f\u5fc5\u987b\u8981\u5728\u524d\u9762\u5e26\u4e0a.\/\u624d\u53ef\u4ee5\u6267\u884c\uff1f<\/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\/image-20221127001445006.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20221127001445006.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20221127001445006\"\/><\/div><\/figure>\n\n\n\n<p>\u5bb9\u6613\u7406\u89e3\u7684\u662f\uff0c\u8981\u6267\u884c\u4e00\u4e2a\u53ef\u6267\u884c\u7a0b\u5e8f\u5fc5\u987b\u8981\u5148\u627e\u5230\u5b83\u5728\u54ea\u91cc\uff0c\u65e2\u7136\u4e0d\u5e26.\/\u5c31\u53ef\u4ee5\u6267\u884cls\u547d\u4ee4\uff0c\u8bf4\u660e\u7cfb\u7edf\u80fd\u591f\u901a\u8fc7ls\u540d\u79f0\u627e\u5230ls\u7684\u4f4d\u7f6e\uff0c\u800c\u7cfb\u7edf\u662f\u65e0\u6cd5\u627e\u5230\u6211\u4eec\u81ea\u5df1\u7684\u53ef\u6267\u884c\u7a0b\u5e8f\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u5fc5\u987b\u5e26\u4e0a.\/\uff0c\u4ee5\u6b64\u544a\u8bc9\u7cfb\u7edf\u8be5\u53ef\u6267\u884c\u7a0b\u5e8f\u4f4d\u4e8e\u5f53\u524d\u76ee\u5f55\u4e0b\u3002<\/p>\n\n\n\n<p>\u800c\u7cfb\u7edf\u5c31\u662f\u901a\u8fc7\u73af\u5883\u53d8\u91cfPATH\u6765\u627e\u5230ls\u547d\u4ee4\u7684\uff0c\u67e5\u770b\u73af\u5883\u53d8\u91cfPATH\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5982\u4e0b\u5185\u5bb9\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\/31d068acb6fd4b9b973b381e829a6cd0.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/31d068acb6fd4b9b973b381e829a6cd0.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\u73af\u5883\u53d8\u91cfPATH\u5f53\u4e2d\u6709\u591a\u6761\u8def\u5f84\uff0c\u8fd9\u4e9b\u8def\u5f84\u7531\u5192\u53f7\u9694\u5f00\uff0c\u5f53\u4f60\u4f7f\u7528ls\u547d\u4ee4\u65f6\uff0c\u7cfb\u7edf\u5c31\u4f1a\u67e5\u770b\u73af\u5883\u53d8\u91cfPATH\uff0c\u7136\u540e\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u4f9d\u6b21\u5728\u5404\u4e2a\u8def\u5f84\u5f53\u4e2d\u8fdb\u884c\u67e5\u627e\u3002<\/p>\n\n\n\n<p>\u800cls\u547d\u4ee4\u5b9e\u9645\u5c31\u4f4d\u4e8ePATH\u5f53\u4e2d\u7684\u67d0\u4e00\u4e2a\u8def\u5f84\u4e0b\uff0c\u6240\u4ee5\u5c31\u7b97ls\u547d\u4ee4\u4e0d\u5e26\u8def\u5f84\u6267\u884c\uff0c\u7cfb\u7edf\u4e5f\u662f\u80fd\u591f\u627e\u5230\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_ZHJvaWRzYW5zZmFsbGJhY2s,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_ZHJvaWRzYW5zZmFsbGJhY2s,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<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u90a3\u53ef\u4e0d\u53ef\u4ee5\u8ba9\u6211\u4eec\u81ea\u5df1\u7684\u53ef\u6267\u884c\u7a0b\u5e8f\u4e5f\u4e0d\u7528\u5e26\u8def\u5f84\u5c31\u53ef\u4ee5\u6267\u884c\u5462\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p>\u5f53\u7136\u53ef\u4ee5\uff0c\u4e0b\u9762\u7ed9\u51fa\u4e24\u79cd\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<p><strong>\u65b9\u5f0f\u4e00\uff1a\u5c06\u53ef\u6267\u884c\u7a0b\u5e8f\u62f7\u8d1d\u5230\u73af\u5883\u53d8\u91cfPATH\u7684\u67d0\u4e00\u8def\u5f84\u4e0b\u3002<\/strong><\/p>\n\n\n\n<p>\u65e2\u7136\u5728\u672a\u6307\u5b9a\u8def\u5f84\u7684\u60c5\u51b5\u4e0b\u7cfb\u7edf\u4f1a\u6839\u636e\u73af\u5883\u53d8\u91cfPATH\u5f53\u4e2d\u7684\u8def\u5f84\u8fdb\u884c\u67e5\u627e\uff0c\u90a3\u6211\u4eec\u5c31\u53ef\u4ee5\u5c06\u6211\u4eec\u7684\u53ef\u6267\u884c\u7a0b\u5e8f\u62f7\u8d1d\u5230PATH\u7684\u67d0\u4e00\u8def\u5f84\u4e0b\uff0c\u6b64\u540e\u6211\u4eec\u7684\u53ef\u6267\u884c\u7a0b\u5e8f\u4e0d\u5e26\u8def\u5f84\u7cfb\u7edf\u4e5f\u53ef\u4ee5\u627e\u5230\u4e86\u3002<\/p>\n\n\n\n<p><code>sudo cp proc \/usr\/bin<\/code><\/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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-16695132355195.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-16695132355195.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p><strong>\u65b9\u5f0f\u4e8c\uff1a\u5c06\u53ef\u6267\u884c\u7a0b\u5e8f\u6240\u5728\u7684\u76ee\u5f55\u5bfc\u5165\u5230\u73af\u5883\u53d8\u91cfPATH\u5f53\u4e2d\u3002<\/strong><\/p>\n\n\n\n<p>\u5c06\u53ef\u6267\u884c\u7a0b\u5e8f\u6240\u5728\u7684\u76ee\u5f55\u5bfc\u5165\u5230\u73af\u5883\u53d8\u91cfPATH\u5f53\u4e2d\uff0c\u8fd9\u6837\u4e00\u6765\uff0c\u6ca1\u6709\u6307\u5b9a\u8def\u5f84\u65f6\u7cfb\u7edf\u5c31\u4f1a\u6765\u5230\u8be5\u76ee\u5f55\u4e0b\u8fdb\u884c\u67e5\u627e\u4e86\u3002<\/p>\n\n\n\n<p><code>export PATH=$PATH:\/home\/cl\/dirforproc\/ENV<\/code><\/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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-16695134662108.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-16695134662108.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u5c06\u53ef\u6267\u884c\u7a0b\u5e8f\u6240\u5728\u7684\u76ee\u5f55\u5bfc\u5165\u5230\u73af\u5883\u53d8\u91cfPATH\u5f53\u4e2d\u540e\uff0c\u4f4d\u4e8e\u8be5\u76ee\u5f55\u4e0b\u7684\u53ef\u6267\u884c\u7a0b\u5e8f\u4e5f\u5c31\u53ef\u4ee5\u5728\u4e0d\u5e26\u8def\u5f84\u7684\u60c5\u51b5\u4e0b\u6267\u884c\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\/29eb96c3e7394d27ae015c3cc202e160.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/29eb96c3e7394d27ae015c3cc202e160.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u6d4b\u8bd5HOME<\/h3>\n\n\n\n<p>\u4efb\u4f55\u4e00\u4e2a\u7528\u6237\u5728\u8fd0\u884c\u7cfb\u7edf\u767b\u5f55\u65f6\u90fd\u6709\u81ea\u5df1\u7684\u4e3b\u5de5\u4f5c\u76ee\u5f55\uff08\u5bb6\u76ee\u5f55\uff09\uff0c\u73af\u5883\u53d8\u91cfHOME\u5f53\u4e2d\u5373\u4fdd\u5b58\u7684\u8be5\u7528\u6237\u7684\u4e3b\u5de5\u4f5c\u76ee\u5f55\u3002<\/p>\n\n\n\n<p>\u666e\u901a\u7528\u6237\u793a\u4f8b\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951456349613.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951456349613.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u8d85\u7ea7\u7528\u6237\u793a\u4f8b\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951457308216.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951457308216.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u6d4b\u8bd5SHELL<\/h3>\n\n\n\n<p>\u6211\u4eec\u5728Linux\u64cd\u4f5c\u7cfb\u7edf\u5f53\u4e2d\u6240\u6572\u7684\u5404\u79cd\u547d\u4ee4\uff0c\u5b9e\u9645\u4e0a\u9700\u8981\u7531\u547d\u4ee4\u884c\u89e3\u91ca\u5668\u8fdb\u884c\u89e3\u91ca\uff0c\u800c\u5728Linux\u5f53\u4e2d\u6709\u8bb8\u591a\u79cd\u547d\u4ee4\u884c\u89e3\u91ca\u5668\uff08\u4f8b\u5982bash\u3001sh\uff09\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u67e5\u770b\u73af\u5883\u53d8\u91cfSHELL\u6765\u77e5\u9053\u81ea\u5df1\u5f53\u524d\u6240\u7528\u7684\u547d\u4ee4\u884c\u89e3\u91ca\u5668\u7684\u79cd\u7c7b\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\/e642b58d58e84f8e88f1c7662674dc52.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/e642b58d58e84f8e88f1c7662674dc52.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u800c\u8be5\u547d\u4ee4\u884c\u89e3\u91ca\u5668\u5b9e\u9645\u4e0a\u662f\u7cfb\u7edf\u5f53\u4e2d\u7684\u4e00\u6761\u547d\u4ee4\uff0c\u5f53\u8fd9\u4e2a\u547d\u4ee4\u8fd0\u884c\u8d77\u6765\u53d8\u6210\u8fdb\u7a0b\u540e\u5c31\u53ef\u4ee5\u4e3a\u6211\u4eec\u8fdb\u884c\u547d\u4ee4\u884c\u89e3\u91ca\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951466708021.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951466708021.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u548c\u73af\u5883\u53d8\u91cf\u76f8\u5173\u7684\u547d\u4ee4<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>export\uff1a\u8bbe\u7f6e\u4e00\u4e2a\u65b0\u7684\u73af\u5883\u53d8\u91cf\u3002 <img decoding=\"async\" src=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951536259630.png\" alt=\"img\"> \u90e8\u5206\u73af\u5883\u53d8\u91cf\u8bf4\u660e\uff1a \u73af\u5883\u53d8\u91cf\u540d\u79f0 \u8868\u793a\u5185\u5bb9 PATH \u547d\u4ee4\u7684\u641c\u7d22\u8def\u5f84 HOME \u7528\u6237\u7684\u4e3b\u5de5\u4f5c\u76ee\u5f55 SHELL \u5f53\u524dShell HOSTNAME \u4e3b\u673a\u540d TERM \u7ec8\u7aef\u7c7b\u578b HISTSIZE \u8bb0\u5f55\u5386\u53f2\u547d\u4ee4\u7684\u6761\u6570 SSH_TTY \u5f53\u524d\u7ec8\u7aef\u6587\u4ef6 USER \u5f53\u524d\u7528\u6237 MAIL \u90ae\u7bb1 PWD \u5f53\u524d\u6240\u5904\u8def\u5f84 LANG \u7f16\u7801\u683c\u5f0f LOGNAME \u767b\u5f55\u7528\u6237\u540d<\/li>\n\n\n\n<li>set\uff1a\u663e\u793a\u672c\u5730\u5b9a\u4e49\u7684shell\u53d8\u91cf\u548c\u73af\u5883\u53d8\u91cf\u3002 <img decoding=\"async\" src=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951539241233.png\" alt=\"img\"><\/li>\n\n\n\n<li>unset\uff1a\u6e05\u9664\u73af\u5883\u53d8\u91cf\u3002 <img decoding=\"async\" src=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951542622836.png\" alt=\"img\"><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u73af\u5883\u53d8\u91cf\u7684\u7ec4\u7ec7\u65b9\u5f0f<\/h3>\n\n\n\n<p>\u5728\u7cfb\u7edf\u5f53\u4e2d\uff0c\u73af\u5883\u53d8\u91cf\u7684\u7ec4\u7ec7\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951549458139.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951549458139.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u6bcf\u4e2a\u7a0b\u5e8f\u90fd\u4f1a\u6536\u5230\u4e00\u5f20\u73af\u5883\u53d8\u91cf\u8868\uff0c\u73af\u5883\u8868\u662f\u4e00\u4e2a\u5b57\u7b26\u6307\u9488\u6570\u7ec4\uff0c\u6bcf\u4e2a\u6307\u9488\u6307\u5411\u4e00\u4e2a\u4ee5\u2019\\0\u2019\u7ed3\u5c3e\u7684\u73af\u5883\u5b57\u7b26\u4e32\uff0c\u6700\u540e\u4e00\u4e2a\u5b57\u7b26\u6307\u9488\u4e3a\u7a7a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u901a\u8fc7\u4ee3\u7801\u83b7\u53d6\u73af\u5883\u53d8\u91cf<\/h3>\n\n\n\n<p>\u4f60\u77e5\u9053main\u51fd\u6570\u5176\u5b9e\u662f\u6709\u53c2\u6570\u7684\u5417\uff1f<br>main\u51fd\u6570\u5176\u5b9e\u6709\u4e09\u4e2a\u53c2\u6570\uff0c\u53ea\u662f\u6211\u4eec\u5e73\u65f6\u57fa\u672c\u4e0d\u7528\u5b83\u4eec\uff0c\u6240\u4ee5\u4e00\u822c\u60c5\u51b5\u4e0b\u90fd\u6ca1\u6709\u5199\u51fa\u6765\u3002<br>\u6211\u4eec\u53ef\u4ee5\u5728Windows\u4e0b\u7684\u7f16\u8bd1\u5668\u8fdb\u884c\u9a8c\u8bc1\uff0c\u5f53\u6211\u4eec\u8c03\u8bd5\u4ee3\u7801\u7684\u65f6\u5019\uff0c\u82e5\u662f\u4e00\u76f4\u4f7f\u7528\u9010\u6b65\u8c03\u8bd5\uff0c\u90a3\u4e48\u6700\u7ec8\u4f1a\u6765\u5230\u8c03\u7528main\u51fd\u6570\u7684\u5730\u65b9\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\/277e8dd5f3644450acad41ff505b90a8.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/277e8dd5f3644450acad41ff505b90a8.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u5728\u8fd9\u91cc\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u8c03\u7528main\u51fd\u6570\u65f6\u7ed9main\u51fd\u6570\u4f20\u9012\u4e86\u4e09\u4e2a\u53c2\u6570\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u6211\u4eec\u5148\u6765\u770b\u770bmain\u7684\u524d\u4e24\u4e2a\u53c2\u6570<\/p>\n<\/blockquote>\n\n\n\n<p>\u5728Linux\u64cd\u4f5c\u7cfb\u7edf\u4e0b\uff0c\u7f16\u5199\u4ee5\u4e0b\u4ee3\u7801\uff0c\u751f\u6210\u53ef\u6267\u884c\u7a0b\u5e8f\u5e76\u8fd0\u884c<\/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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951584399644.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951584399644.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951585710447.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951585710447.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u73b0\u5728\u6211\u4eec\u6765\u8bf4\u8bf4main\u51fd\u6570\u7684\u524d\u4e24\u4e2a\u53c2\u6570\uff0cmain\u51fd\u6570\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u4e00\u4e2a\u5b57\u7b26\u6307\u9488\u6570\u7ec4\uff0c\u6570\u7ec4\u5f53\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5b57\u7b26\u6307\u9488\u5b58\u50a8\u7684\u662f\u53ef\u6267\u884c\u7a0b\u5e8f\u7684\u4f4d\u7f6e\uff0c\u5176\u4f59\u5b57\u7b26\u6307\u9488\u5b58\u50a8\u7684\u662f\u6240\u7ed9\u7684\u82e5\u5e72\u9009\u9879\uff0c\u6700\u540e\u4e00\u4e2a\u5b57\u7b26\u6307\u9488\u4e3a\u7a7a\uff0c\u800cmain\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u4ee3\u8868\u7684\u5c31\u662f\u5b57\u7b26\u6307\u9488\u6570\u7ec4\u5f53\u4e2d\u7684\u6709\u6548\u5143\u7d20\u4e2a\u6570\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951604973850.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951604973850.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u4e0b\u9762\u6211\u4eec\u53ef\u4ee5\u5c1d\u8bd5\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684\u4ee3\u7801\uff0c\u8be5\u4ee3\u7801\u8fd0\u884c\u8d77\u6765\u540e\u4f1a\u6839\u636e\u4f60\u6240\u7ed9\u9009\u9879\u7ed9\u51fa\u4e0d\u540c\u7684\u63d0\u793a\u8bed\u53e5\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;iostream&gt;\n#include &lt;cstring&gt;\nusing namespace std;\nint main(int argc, char* argv&#91;], char* envp&#91;])\n{\n    if (argc &gt; 1)\n    {   \n        if (0 == strcmp(argv&#91;1], \"-a\"))\n        {   \n            cout &lt;&lt; \"you used -a option\" &lt;&lt; endl;\n        }   \n        else if (0 == strcmp(argv&#91;1], \"-b\"))\n        {   \n            cout &lt;&lt; \"you used -b option\" &lt;&lt; endl;\n        }   \n        else\n        {   \n            cout &lt;&lt; \"you used unrecognizable option\" &lt;&lt; endl;\n        }   \n    }   \n    else\n    {   \n        cout &lt;&lt; \"you did not use any option!\" &lt;&lt; endl;\n    }   \n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u4ee3\u7801\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951770827453.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951770827453.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>\u73b0\u5728\u6211\u4eec\u6765\u8bf4\u8bf4main\u51fd\u6570\u7684\u7b2c\u4e09\u4e2a\u53c2\u6570\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>main\u51fd\u6570\u7684\u7b2c\u4e09\u4e2a\u53c2\u6570\u63a5\u6536\u7684\u5b9e\u9645\u4e0a\u5c31\u662f\u73af\u5883\u53d8\u91cf\u8868\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7main\u51fd\u6570\u7684\u7b2c\u4e09\u4e2a\u53c2\u6570\u6765\u83b7\u53d6\u7cfb\u7edf\u7684\u73af\u5883\u53d8\u91cf\u3002<br>\u4f8b\u5982\uff0c\u7f16\u5199\u4ee5\u4e0b\u4ee3\u7801\uff0c\u751f\u6210\u53ef\u6267\u884c\u7a0b\u5e8f\u5e76\u8fd0\u884c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\nint main(int argc, char* argv&#91;], char* envp&#91;])\n{\n    int i = 0;\n    while (envp&#91;i])\n    {   \n        printf(\"envp&#91;%d] = %s\\n\", i, envp&#91;i]);\n        i++;\n    }   \n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u7ed3\u679c\u5c31\u662f\u5404\u4e2a\u73af\u5883\u53d8\u91cf\u7684\u503c\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951822712356.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166951822712356.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u9664\u4e86\u4f7f\u7528main\u51fd\u6570\u7684\u7b2c\u4e09\u4e2a\u53c2\u6570\u6765\u83b7\u53d6\u73af\u5883\u53d8\u91cf\u4ee5\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7\u7b2c\u4e09\u65b9\u53d8\u91cfenviron\u6765\u83b7\u53d6\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\nint main()\n{\n    extern char** environ;\n    int i = 0;\n    while (environ&#91;i])\n    {   \n        printf(\"environ&#91;%d] = %s\\n\", i, environ&#91;i]);\n        i++;\n    }   \n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u8be5\u4ee3\u7801\u751f\u6210\u7684\u53ef\u6267\u884c\u7a0b\u5e8f\uff0c\u6211\u4eec\u540c\u6837\u53ef\u4ee5\u83b7\u5f97\u73af\u5883\u53d8\u91cf\u7684\u503c\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166952123180859.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166952123180859.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u6ce8\u610f\uff1a<\/strong> libc\u4e2d\u5b9a\u4e49\u7684\u5168\u5c40\u53d8\u91cfenviron\u6307\u5411\u73af\u5883\u53d8\u91cf\u8868\uff0cenviron\u6ca1\u6709\u5305\u542b\u5728\u4efb\u4f55\u5934\u6587\u4ef6\u4e2d\uff0c\u6240\u4ee5\u5728\u4f7f\u7528\u65f6\u8981\u7528extern\u8fdb\u884c\u58f0\u660e\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\u901a\u8fc7\u7cfb\u7edf\u8c03\u7528\u83b7\u53d6\u73af\u5883\u53d8\u91cf<\/h3>\n\n\n\n<p>\u9664\u4e86\u901a\u8fc7main\u51fd\u6570\u7684\u7b2c\u4e09\u4e2a\u53c2\u6570\u548c\u7b2c\u4e09\u65b9\u53d8\u91cfenviron\u6765\u83b7\u53d6\u73af\u5883\u53d8\u91cf\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7\u7cfb\u7edf\u8c03\u7528getenv\u51fd\u6570\u6765\u83b7\u53d6\u73af\u5883\u53d8\u91cf\u3002getenv\u51fd\u6570\u53ef\u4ee5\u6839\u636e\u6240\u7ed9\u73af\u5883\u53d8\u91cf\u540d\uff0c\u5728\u73af\u5883\u53d8\u91cf\u8868\u5f53\u4e2d\u8fdb\u884c\u641c\u7d22\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u6307\u5411\u76f8\u5e94\u503c\u7684\u5b57\u7b26\u4e32\u6307\u9488\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u4f7f\u7528getenv\u51fd\u6570\u83b7\u53d6\u73af\u5883\u53d8\u91cfPATH\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;\nint main()\n{\n    printf(\"%s\\n\", getenv(\"PATH\"));\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u7ed3\u679c\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166953921257962.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166953921257962.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u7a0b\u5e8f\u5730\u5740\u7a7a\u95f4<\/h2>\n\n\n\n<p>\u4e0b\u9762\u8fd9\u5f20\u7a7a\u95f4\u5e03\u5c40\u56fe\u76f8\u4fe1\u5927\u5bb6\u90fd\u89c1\u8fc7\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_14,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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_14,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>\u5728Linux\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u5bf9\u8be5\u5e03\u5c40\u56fe\u8fdb\u884c\u9a8c\u8bc1\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n\nint g_unval;\nint g_val = 100;\nint main(int argc, char* argv&#91;], char* envp&#91;])\n{\n    printf(\"code addr:%p\\n\", main);\/\/\u4ee3\u7801\u533a\n    const char* str = \"hello world\";\n    printf(\"read only addr:%p\\n\", str);\/\/\u53ea\u8bfb\u5e38\u91cf\u533a\n    printf(\"init addr:%p\\n\", &amp;g_val);\/\/\u521d\u59cb\u5316\u6570\u636e\n    printf(\"uninit addr:%p\\n\", &amp;g_unval);\/\/\u672a\u521d\u59cb\u5316\u6570\u636e\n    int* p = (int*)malloc(10);\n    printf(\"heap addr:%p\\n\", p);\/\/\u5806\u533a\n    printf(\"stack addr:%p\\n\", &amp;str);\/\/\u6808\u533a\n    printf(\"stack addr:%p\\n\", &amp;p);\/\/\u6808\u533a\n    for(int i = 0; i &lt; argc; i++)\n    {   \n        printf(\"args addr:%p\\n\", argv&#91;i]);\/\/\u547d\u4ee4\u884c\u53c2\u6570\n    }   \n    int i = 0;\n    while (envp&#91;i])\n    {   \n        printf(\"env addr:%p\\n\", envp&#91;i]);\/\/\u73af\u5883\u53d8\u91cf\n        i++;\n    }   \n    return 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\uff0c\u4e0e\u5e03\u5c40\u56fe\u6240\u793a\u662f\u543b\u5408\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166954145858767.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166954145858767.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>\u4e0b\u9762\u6211\u4eec\u6765\u770b\u4e00\u6bb5\u5947\u602a\u7684\u4ee3\u7801\uff1a<\/p>\n<\/blockquote>\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166954163613170.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166954163613170.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u4ee3\u7801\u5f53\u4e2d\u7528fork\u51fd\u6570\u521b\u5efa\u4e86\u4e00\u4e2a\u5b50\u8fdb\u7a0b\uff0c\u5176\u4e2d\u8ba9\u5b50\u8fdb\u7a0b\u76f8\u5c06\u5168\u5c40\u53d8\u91cfg_val\u8be5\u4ece100\u6539\u4e3a200\u540e\u6253\u5370\uff0c\u800c\u7236\u8fdb\u7a0b\u5148\u4f11\u77203\u79d2\u949f\uff0c\u7136\u540e\u518d\u6253\u5370\u5168\u5c40\u53d8\u91cf\u7684\u503c\u3002<\/p>\n\n\n\n<p>\u6309\u9053\u7406\u6765\u8bf4\u5b50\u8fdb\u7a0b\u6253\u5370\u7684\u5168\u5c40\u53d8\u91cf\u7684\u503c\u4e3a200\uff0c\u800c\u7236\u8fdb\u7a0b\u662f\u5728\u5b50\u8fdb\u7a0b\u5c06\u5168\u5c40\u53d8\u91cf\u6539\u540e\u518d\u6253\u5370\u7684\u5168\u5c40\u53d8\u91cf\uff0c\u90a3\u4e48\u4e5f\u5e94\u8be5\u662f200\uff0c\u4f46\u662f\u4ee3\u7801\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<br><img decoding=\"async\" src=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166954165479973.png\" alt=\"img\"><\/p>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\u7236\u8fdb\u7a0b\u6253\u5370\u7684\u5168\u5c40\u53d8\u91cfg_val\u7684\u503c\u4ecd\u4e3a\u4e4b\u524d\u7684100\uff0c\u66f4\u5947\u602a\u7684\u662f\u5728\u7236\u5b50\u8fdb\u7a0b\u4e2d\u6253\u5370\u7684\u5168\u5c40\u53d8\u91cfg_val\u7684\u5730\u5740\u662f\u4e00\u6837\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\u7236\u5b50\u8fdb\u7a0b\u5728\u540c\u4e00\u4e2a\u5730\u5740\u5904\u8bfb\u51fa\u7684\u503c\u4e0d\u540c\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u8bf4\u6211\u4eec\u662f\u5728\u540c\u4e00\u4e2a\u7269\u7406\u5730\u5740\u5904\u83b7\u53d6\u7684\u503c\uff0c\u90a3\u5fc5\u5b9a\u662f\u76f8\u540c\u7684\uff0c\u800c\u73b0\u5728\u5728\u540c\u4e00\u4e2a\u5730\u5740\u5904\u83b7\u53d6\u5230\u7684\u503c\u5374\u4e0d\u540c\uff0c\u8fd9\u53ea\u80fd\u8bf4\u660e\u6211\u4eec\u6253\u5370\u51fa\u6765\u7684\u5730\u5740\u7edd\u5bf9\u4e0d\u662f\u7269\u7406\u5730\u5740\uff01\uff01\uff01<\/p>\n\n\n\n<p>\u5b9e\u9645\u4e0a\uff0c\u6211\u4eec\u5728\u8bed\u8a00\u5c42\u9762\u4e0a\u6253\u5370\u51fa\u6765\u7684\u5730\u5740\u90fd\u4e0d\u662f\u7269\u7406\u5730\u5740\uff0c\u800c\u662f\u865a\u62df\u5730\u5740\u3002\u7269\u7406\u5730\u5740\u7528\u6237\u4e00\u6982\u662f\u770b\u4e0d\u5230\u7684\uff0c\u662f\u7531\u64cd\u4f5c\u7cfb\u7edf\u7edf\u4e00\u8fdb\u884c\u7ba1\u7406\u7684\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u5c31\u7b97\u7236\u5b50\u8fdb\u7a0b\u5f53\u4e2d\u6253\u5370\u51fa\u6765\u7684\u5168\u5c40\u53d8\u91cf\u7684\u5730\u5740\uff08\u865a\u62df\u5730\u5740\uff09\u76f8\u540c\uff0c\u4f46\u662f\u4e24\u4e2a\u8fdb\u7a0b\u5f53\u4e2d\u5168\u5c40\u53d8\u91cf\u7684\u503c\u5374\u662f\u4e0d\u540c\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166954182877676.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166954182877676.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u6ce8\u610f\uff1a<\/strong> \u865a\u62df\u5730\u5740\u548c\u7269\u7406\u5730\u5740\u4e4b\u95f4\u7684\u8f6c\u5316\u7531\u64cd\u4f5c\u7cfb\u7edf\u5b8c\u6210\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4<\/h2>\n\n\n\n<p>\u6211\u4eec\u4e4b\u524d\u5c06\u90a3\u5f20\u5e03\u5c40\u56fe\u79f0\u4e3a\u7a0b\u5e8f\u5730\u5740\u7a7a\u95f4\u5b9e\u9645\u4e0a\u662f\u4e0d\u51c6\u786e\u7684\uff0c\u90a3\u5f20\u5e03\u5c40\u56fe\u5b9e\u9645\u4e0a\u5e94\u8be5\u53eb\u505a\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\uff0c\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u672c\u8d28\u4e0a\u662f\u5185\u5b58\u4e2d\u7684\u4e00\u79cd\u5185\u6838\u6570\u636e\u7ed3\u6784\uff0c\u5728Linux\u5f53\u4e2d\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u5177\u4f53\u7531\u7ed3\u6784\u4f53mm_struct\u5b9e\u73b0\u3002<\/p>\n\n\n\n<p>\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u5c31\u7c7b\u4f3c\u4e8e\u4e00\u628a\u5c3a\u5b50\uff0c\u5c3a\u5b50\u7684\u523b\u5ea6\u75310x00000000\u52300xffffffff\uff0c\u5c3a\u5b50\u6309\u7167\u523b\u5ea6\u88ab\u5212\u5206\u4e3a\u5404\u4e2a\u533a\u57df\uff0c\u4f8b\u5982\u4ee3\u7801\u533a\u3001\u5806\u533a\u3001\u6808\u533a\u7b49\u3002\u800c\u5728\u7ed3\u6784\u4f53mm_struct\u5f53\u4e2d\uff0c\u4fbf\u8bb0\u5f55\u4e86\u5404\u4e2a\u8fb9\u754c\u523b\u5ea6\uff0c\u4f8b\u5982\u4ee3\u7801\u533a\u7684\u5f00\u59cb\u523b\u5ea6\u4e0e\u7ed3\u675f\u523b\u5ea6\uff0c\u5982\u4e0b\u56fe\u6240\u793a\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166954216844279.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166954216844279.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u5728\u7ed3\u6784\u4f53mm_struct\u5f53\u4e2d\uff0c\u5404\u4e2a\u8fb9\u754c\u523b\u5ea6\u4e4b\u95f4\u7684\u6bcf\u4e00\u4e2a\u523b\u5ea6\u90fd\u4ee3\u8868\u4e00\u4e2a\u865a\u62df\u5730\u5740\uff0c\u8fd9\u4e9b\u865a\u62df\u5730\u5740\u901a\u8fc7\u9875\u8868\u6620\u5c04\u4e0e\u7269\u7406\u5185\u5b58\u5efa\u7acb\u8054\u7cfb\u3002\u7531\u4e8e\u865a\u62df\u5730\u5740\u662f\u75310x00000000\u52300xffffffff\u7ebf\u6027\u589e\u957f\u7684\uff0c\u6240\u4ee5\u865a\u62df\u5730\u5740\u53c8\u53eb\u505a\u7ebf\u6027\u5730\u5740\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u6269\u5c55\u77e5\u8bc6\uff1a<br>1\u3001\u5806\u5411\u4e0a\u589e\u957f\u4ee5\u53ca\u6808\u5411\u4e0b\u589e\u957f\u5b9e\u9645\u5c31\u662f\u6539\u53d8mm_struct\u5f53\u4e2d\u5806\u548c\u6808\u7684\u8fb9\u754c\u523b\u5ea6\u3002<br>2\u3001\u6211\u4eec\u751f\u6210\u7684\u53ef\u6267\u884c\u7a0b\u5e8f\u5b9e\u9645\u4e0a\u4e5f\u88ab\u5206\u4e3a\u4e86\u5404\u4e2a\u533a\u57df\uff0c\u4f8b\u5982\u521d\u59cb\u5316\u533a\u3001\u672a\u521d\u59cb\u5316\u533a\u7b49\u3002\u5f53\u8be5\u53ef\u6267\u884c\u7a0b\u5e8f\u8fd0\u884c\u8d77\u6765\u65f6\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5219\u5c06\u5bf9\u5e94\u7684\u6570\u636e\u52a0\u8f7d\u5230\u5bf9\u5e94\u5185\u5b58\u5f53\u4e2d\u5373\u53ef\uff0c\u5927\u5927\u63d0\u9ad8\u4e86\u64cd\u4f5c\u7cfb\u7edf\u7684\u5de5\u4f5c\u6548\u7387\u3002\u800c\u8fdb\u884c\u53ef\u6267\u884c\u7a0b\u5e8f\u7684\u201c\u5206\u533a\u201d\u64cd\u4f5c\u7684\u5b9e\u9645\u4e0a\u5c31\u7b97\u7f16\u8bd1\u5668\uff0c\u6240\u4ee5\u8bf4\u4ee3\u7801\u7684\u4f18\u5316\u7ea7\u522b\u5b9e\u9645\u4e0a\u662f\u7f16\u8bd1\u5668\u8bf4\u4e86\u7b97\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>\u6bcf\u4e2a\u8fdb\u7a0b\u88ab\u521b\u5efa\u65f6\uff0c\u5176\u5bf9\u5e94\u7684\u8fdb\u7a0b\u63a7\u5236\u5757\uff08task_struct\uff09\u548c\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\uff08mm_struct\uff09\u4e5f\u4f1a\u968f\u4e4b\u88ab\u521b\u5efa\u3002\u800c\u64cd\u4f5c\u7cfb\u7edf\u53ef\u4ee5\u901a\u8fc7\u8fdb\u7a0b\u7684task_struct\u627e\u5230\u5176mm_struct\uff0c\u56e0\u4e3atask_struct\u5f53\u4e2d\u6709\u4e00\u4e2a\u7ed3\u6784\u4f53\u6307\u9488\u5b58\u50a8\u7684\u662fmm_struct\u7684\u5730\u5740\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u7236\u8fdb\u7a0b\u6709\u81ea\u5df1\u7684task_struct\u548cmm_struct\uff0c\u8be5\u7236\u8fdb\u7a0b\u521b\u5efa\u7684\u5b50\u8fdb\u7a0b\u4e5f\u6709\u5c5e\u4e8e\u5176\u81ea\u5df1\u7684task_struct\u548cmm_struct\uff0c\u7236\u5b50\u8fdb\u7a0b\u7684\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u5f53\u4e2d\u7684\u5404\u4e2a\u865a\u62df\u5730\u5740\u5206\u522b\u901a\u8fc7\u9875\u8868\u6620\u5c04\u5230\u7269\u7406\u5185\u5b58\u7684\u67d0\u4e2a\u4f4d\u7f6e\uff0c\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166954270255782.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166954270255782.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u800c\u5f53\u5b50\u8fdb\u7a0b\u521a\u521a\u88ab\u521b\u5efa\u65f6\uff0c\u5b50\u8fdb\u7a0b\u548c\u7236\u8fdb\u7a0b\u7684\u6570\u636e\u548c\u4ee3\u7801\u662f\u5171\u4eab\u7684\uff0c\u5373\u7236\u5b50\u8fdb\u7a0b\u7684\u4ee3\u7801\u548c\u6570\u636e\u901a\u8fc7\u9875\u8868\u6620\u5c04\u5230\u7269\u7406\u5185\u5b58\u7684\u540c\u4e00\u5757\u7a7a\u95f4\u3002\u53ea\u6709\u5f53\u7236\u8fdb\u7a0b\u6216\u5b50\u8fdb\u7a0b\u9700\u8981\u4fee\u6539\u6570\u636e\u65f6\uff0c\u624d\u5c06\u7236\u8fdb\u7a0b\u7684\u6570\u636e\u5728\u5185\u5b58\u5f53\u4e2d\u62f7\u8d1d\u4e00\u4efd\uff0c\u7136\u540e\u518d\u8fdb\u884c\u4fee\u6539\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5b50\u8fdb\u7a0b\u9700\u8981\u5c06\u5168\u5c40\u53d8\u91cfg_val\u6539\u4e3a200\uff0c\u90a3\u4e48\u6b64\u65f6\u5c31\u5728\u7269\u7406\u5185\u5b58\u7684\u67d0\u5904\u5b58\u50a8g_val\u7684\u65b0\u503c\uff0c\u5e76\u4e14\u6539\u53d8\u5b50\u8fdb\u7a0b\u5f53\u4e2dg_val\u7684\u865a\u62df\u5730\u5740\u901a\u8fc7\u9875\u8868\u6620\u5c04\u540e\u5f97\u5230\u7684\u7269\u7406\u5730\u5740\u5373\u53ef<\/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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166954307642385.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166954307642385.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p>\u8fd9\u79cd\u5728\u9700\u8981\u8fdb\u884c\u6570\u636e\u4fee\u6539\u65f6\u518d\u8fdb\u884c\u62f7\u8d1d\u7684\u6280\u672f\uff0c\u79f0\u4e3a\u5199\u65f6\u62f7\u8d1d\u6280\u672f\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6570\u636e\u4e3a\u4ec0\u4e48\u8981\u8fdb\u884c\u5199\u65f6\u62f7\u8d1d\uff1f \u8fdb\u7a0b\u5177\u6709\u72ec\u7acb\u6027\u3002\u591a\u8fdb\u7a0b\u8fd0\u884c\uff0c\u9700\u8981\u72ec\u4eab\u5404\u79cd\u8d44\u6e90\uff0c\u591a\u8fdb\u7a0b\u8fd0\u884c\u671f\u95f4\u4e92\u4e0d\u5e72\u6270\uff0c\u4e0d\u80fd\u8ba9\u5b50\u8fdb\u7a0b\u7684\u5f71\u54cd\u5230\u7236\u8fdb\u7a0b<\/li>\n\n\n\n<li>\u4e3a\u4ec0\u4e48\u4e0d\u5728\u521b\u5efa\u5b50\u8fdb\u7a0b\u7684\u65f6\u5019\u5c31\u8fdb\u884c\u6570\u636e\u7684\u62f7\u8d1d\uff1f \u5b50\u8fdb\u7a0b\u4e0d\u4e00\u5b9a\u4f1a\u4f7f\u7528\u7236\u8fdb\u7a0b\u7684\u6240\u6709\u6570\u636e\uff0c\u5e76\u4e14\u5728\u5b50\u8fdb\u7a0b\u4e0d\u5bf9\u6570\u636e\u8fdb\u884c\u5199\u5165\u7684\u60c5\u51b5\u4e0b\uff0c\u6ca1\u6709\u5fc5\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u62f7\u8d1d\uff0c\u6211\u4eec\u5e94\u8be5\u6309\u9700\u5206\u914d\uff0c\u5728\u9700\u8981\u4fee\u6539\u6570\u636e\u7684\u65f6\u5019\u518d\u5206\u914d\uff08\u5ef6\u65f6\u5206\u914d\uff09\uff0c\u8fd9\u6837\u53ef\u4ee5\u9ad8\u6548\u7684\u4f7f\u7528\u5185\u5b58\u7a7a\u95f4\u3002<\/li>\n\n\n\n<li>\u4ee3\u7801\u4f1a\u4e0d\u4f1a\u8fdb\u884c\u5199\u65f6\u62f7\u8d1d\uff1f 90%\u7684\u60c5\u51b5\u4e0b\u662f\u4e0d\u4f1a\u7684\uff0c\u4f46\u8fd9\u5e76\u4e0d\u4ee3\u8868\u4ee3\u7801\u4e0d\u80fd\u8fdb\u884c\u5199\u65f6\u62f7\u8d1d\uff0c\u4f8b\u5982\u5728\u8fdb\u884c\u8fdb\u7a0b\u66ff\u6362\u7684\u65f6\u5019\uff0c\u5219\u9700\u8981\u8fdb\u884c\u4ee3\u7801\u7684\u5199\u65f6\u62f7\u8d1d\u3002<\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e3a\u4ec0\u4e48\u8981\u6709\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\uff1f<\/p>\n<\/blockquote>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6709\u4e86\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u540e\uff0c\u5c31\u4e0d\u4f1a\u6709\u4efb\u4f55\u7cfb\u7edf\u7ea7\u522b\u7684\u8d8a\u754c\u95ee\u9898\u5b58\u5728\u4e86\u3002\u4f8b\u5982\u8fdb\u7a0b1\u4e0d\u4f1a\u9519\u8bef\u7684\u8bbf\u95ee\u5230\u8fdb\u7a0b2\u7684\u7269\u7406\u5730\u5740\u7a7a\u95f4\uff0c\u56e0\u4e3a\u4f60\u5bf9\u67d0\u4e00\u5730\u5740\u7a7a\u95f4\u8fdb\u884c\u64cd\u4f5c\u4e4b\u524d\u9700\u8981\u5148\u901a\u8fc7\u9875\u8868\u6620\u5c04\u5230\u7269\u7406\u5185\u5b58\uff0c\u800c\u9875\u8868\u53ea\u4f1a\u6620\u5c04\u5c5e\u4e8e\u4f60\u7684\u7269\u7406\u5185\u5b58\u3002\u603b\u7684\u6765\u8bf4\uff0c\u865a\u62df\u5730\u5740\u548c\u9875\u8868\u7684\u914d\u5408\u4f7f\u7528\uff0c\u672c\u8d28\u529f\u80fd\u5c31\u662f\u5305\u542b\u5185\u5b58\u3002<\/li>\n\n\n\n<li>\u6709\u4e86\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u540e\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u8ba4\u4e3a\u770b\u5f97\u5230\u90fd\u662f\u76f8\u540c\u7684\u7a7a\u95f4\u8303\u56f4\uff0c\u5305\u62ec\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u7684\u6784\u6210\u548c\u5185\u90e8\u533a\u57df\u7684\u5212\u5206\u987a\u5e8f\u7b49\u90fd\u662f\u76f8\u540c\u7684\uff0c\u8fd9\u6837\u4e00\u6765\u6211\u4eec\u5728\u7f16\u5199\u7a0b\u5e8f\u7684\u65f6\u5019\u5c31\u53ea\u9700\u5173\u6ce8\u865a\u62df\u5730\u5740\uff0c\u800c\u65e0\u9700\u5173\u6ce8\u6570\u636e\u5728\u7269\u7406\u5185\u5b58\u5f53\u4e2d\u5b9e\u9645\u7684\u5b58\u50a8\u4f4d\u7f6e\u3002<\/li>\n\n\n\n<li>\u6709\u4e86\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u540e\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u8ba4\u4e3a\u81ea\u5df1\u5728\u72ec\u5360\u5185\u5b58\uff0c\u8fd9\u6837\u80fd\u66f4\u597d\u7684\u5b8c\u6210\u8fdb\u7a0b\u7684\u72ec\u7acb\u6027\u4ee5\u53ca\u5408\u7406\u4f7f\u7528\u5185\u5b58\u7a7a\u95f4\uff08\u5f53\u5b9e\u9645\u9700\u8981\u4f7f\u7528\u5185\u5b58\u7a7a\u95f4\u7684\u65f6\u5019\u518d\u5728\u5185\u5b58\u8fdb\u884c\u5f00\u8f9f\uff09\uff0c\u5e76\u80fd\u5c06\u8fdb\u7a0b\u8c03\u5ea6\u4e0e\u5185\u5b58\u7ba1\u7406\u8fdb\u884c\u89e3\u8026\u6216\u5206\u79bb\u3002<\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5bf9\u4e8e\u521b\u5efa\u8fdb\u7a0b\u7684\u73b0\u9636\u6bb5\u7406\u89e3\uff1a<\/p>\n<\/blockquote>\n\n\n\n<p>\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\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Linux2.6\u5185\u6838\u8fdb\u7a0b\u8c03\u5ea6\u961f\u5217<\/h2>\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_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBAMjAyMWRyYWdvbg==,size_20,color_FFFFFF,t_70,g_se,x_16-166954776014288.png'><img class=\"lazyload lazyload-style-1\" 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