{"id":37330,"date":"2025-05-15T21:21:16","date_gmt":"2025-05-15T13:21:16","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/37330.html"},"modified":"2025-05-15T21:21:16","modified_gmt":"2025-05-15T13:21:16","slug":"linux%e4%b9%8b%e5%88%9d%e8%a7%81%e8%bf%9b%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/37330.html","title":{"rendered":"Linux\u4e4b\u521d\u89c1\u8fdb\u7a0b"},"content":{"rendered":"<h2>1.\u00a0<span style=\"color:#333333\">\u51af\u8bfa\u4f9d\u66fc\u4f53\u7cfb\u7ed3\u6784<\/span><\/h2>\n<\/p>\n<p>\u51af\u8bfa\u4f9d\u66fc\u4f53\u7cfb\u7ed3\u6784\u662f\u8ba1\u7b97\u673a\u7684\u57fa\u672c\u8bbe\u8ba1\u539f\u5219\u4e4b\u4e00&#xff0c;\u4e5f\u88ab\u8ba4\u4e3a\u662f\u73b0\u4ee3\u8ba1\u7b97\u673a\u7684\u57fa\u7840\u3002\u5b83\u7531\u7f8e\u56fd\u6570\u5b66\u5bb6\u7ea6\u7ff0\u00b7\u51af\u00b7\u8bfa\u4f0a\u66fc\u572820\u4e16\u7eaa40\u5e74\u4ee3\u540e\u671f\u63d0\u51fa\u3002\u51af\u8bfa\u4f9d\u66fc\u4f53\u7cfb\u7ed3\u6784\u5305\u62ec\u5b58\u50a8\u7a0b\u5e8f\u6982\u5ff5\u3001\u5c06\u6570\u636e\u548c\u6307\u4ee4\u5b58\u50a8\u5728\u540c\u4e00\u5b58\u50a8\u5668\u4e2d\u3001\u6309\u7167\u987a\u5e8f\u6267\u884c\u6307\u4ee4\u7b49\u5173\u952e\u7279\u5f81\u3002<\/p>\n<p>\u5177\u4f53\u6765\u8bf4&#xff0c;\u51af\u8bfa\u4f9d\u66fc\u4f53\u7cfb\u7ed3\u6784\u5305\u542b\u4ee5\u4e0b\u51e0\u4e2a\u4e3b\u8981\u7ec4\u6210\u90e8\u5206&#xff1a;<\/p>\n<li>\n<p>\u5b58\u50a8\u5668&#xff1a;\u7528\u4e8e\u5b58\u50a8\u6570\u636e\u548c\u6307\u4ee4&#xff0c;\u5305\u62ec\u5185\u5b58\u548c\u5916\u5b58\u3002<\/p>\n<\/li>\n<li>\n<p>\u8fd0\u7b97\u5668&#xff1a;\u8d1f\u8d23\u6267\u884c\u5404\u79cd\u7b97\u672f\u548c\u903b\u8f91\u8fd0\u7b97\u3002<\/p>\n<\/li>\n<li>\n<p>\u63a7\u5236\u5668&#xff1a;\u8d1f\u8d23\u6307\u6325\u6574\u4e2a\u8ba1\u7b97\u673a\u7cfb\u7edf\u7684\u8fd0\u884c&#xff0c;\u5305\u62ec\u6307\u4ee4\u7684\u6267\u884c\u548c\u6570\u636e\u7684\u4f20\u8f93\u3002<\/p>\n<\/li>\n<li>\n<p>\u8f93\u5165\u8bbe\u5907&#xff1a;\u7528\u4e8e\u5c06\u6570\u636e\u8f93\u5165\u5230\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\u3002<\/p>\n<\/li>\n<li>\n<p>\u8f93\u51fa\u8bbe\u5907&#xff1a;\u7528\u4e8e\u5c06\u8ba1\u7b97\u673a\u5904\u7406\u540e\u7684\u7ed3\u679c\u8f93\u51fa\u3002<\/p>\n<\/li>\n<p>\u753b\u6210\u56fe\u5c31\u662f\u4ee5\u4e0b\u8fd9\u6837&#xff1a;<\/p>\n<p><img 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style=\"color:#333333\">\u6211\u4eec\u4e4b\u6240\u4ee5\u8981\u5728\u8ba1\u7b97\u673a\u91cc\u9762\u88c5\u64cd\u4f5c\u7cfb\u7edf\u4e00\u662f\u4e3a\u4e86\u63d0\u9ad8\u7528\u6237\u7684\u64cd\u4f5c\u4f53\u9a8c&#xff0c;\u4e8c\u662f\u4e3a\u4e86\u66f4\u52a0\u9ad8\u6548\u7684\u7ba1\u7406\u8f6f\u786c\u4ef6&#xff0c;\u63d0\u9ad8\u8ba1\u7b97\u673a\u6548\u7387&#xff08;\u56e0\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u5c31\u662f\u5728\u4e13\u95e8\u7528\u6765\u7ba1\u7406\u7684\u7cfb\u7edf&#xff09;\u3002<\/span><\/p>\n<p>\u90a3\u64cd\u4f5c\u7cfb\u7edf\u5230\u5e95\u662f\u600e\u4e48\u7ba1\u7406\u7684\u5462&#xff1f;<\/p>\n<p>\u64cd\u4f5c\u7cfb\u7edf\u7684\u7ba1\u7406\u65b9\u5f0f\u5c31\u7c7b\u4f3c\u4e8e\u4e2d\u95f4\u4eba\u4f20\u8bdd&#xff0c;\u6211\u4eec\u7528\u6237\u5148\u628a\u81ea\u5df1\u60f3\u8981\u5e72\u7684\u4e8b\u544a\u8bc9\u7ed9\u7528\u6237\u64cd\u4f5c\u63a5\u53e3&#xff0c;\u7136\u540e\u7528\u6237\u64cd\u4f5c\u63a5\u53e3\u518d\u628a\u6211\u4eec\u7684\u8bc9\u6c42\u544a\u8bc9\u7ed9\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3&#xff0c;\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3\u518d\u628a\u8bc9\u6c42\u544a\u77e5\u64cd\u4f5c\u7cfb\u7edf&#xff0c;\u6700\u540e\u64cd\u4f5c\u7cfb\u7edf\u53bb\u6267\u884c\u6211\u4eec\u7684\u5408\u6cd5\u8bc9\u6c42&#xff08;\u4e3a\u4ec0\u4e48\u8bf4\u662f\u5408\u6cd5&#xff0c;\u8fd9\u662f\u56e0\u4e3a\u4e0d\u5408\u6cd5\u7684\u8bc9\u6c42\u6839\u672c\u4f20\u4e0d\u5230\u64cd\u4f5c\u7cfb\u7edf&#xff09;\u3002<\/p>\n<p>\u753b\u6210\u56fe\u5c31\u662f\u4ee5\u4e0b\u8fd9\u6837&#xff1a;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"1209\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250515132109-6825ea45541a4.png\" width=\"793\" 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struct node *start&#xff0c;\u4e0d\u77e5\u9053\u8fd9\u662f\u54ea\u4e00\u4e2a task_struct \u7684 link \u6210\u5458(task_struct *)0 \u662f\u6784\u9020\u4e00\u4e2a\u5047\u5730\u5740\u4e3a 0 \u7684\u6307\u9488&#xff0c;\u5b83\u7684 -&gt;link \u7684\u5730\u5740\u5c31\u4ee3\u8868\u504f\u79fb\u91cf\u672c\u8d28\u5c31\u662fstart \u662f\u4e00\u4e2a struct node *&#xff0c;\u800c\u4e0d\u662f task_struct *&#xff0c;\u6839\u672c\u6ca1 other \u8fd9\u4e2a\u5b57\u6bb5&#xff01;\u5fc5\u987b\u5148\u8f6c\u6362\u56de task_struct* \u624d\u80fd\u8bbf\u95ee\u5b83\u7684\u5176\u4ed6\u6210\u5458\u3002<\/p>\n<p>\u7b80\u5355\u6765\u8bf4\u90a3\u4e2a0\u5b9e\u9645\u4e0a\u7528\u6765\u662f\u9501\u5b9a\u662f\u54ea\u4e00\u4e2a\u94fe\u8868&#xff0c;\u7136\u540e\u90a3\u4e2astart\u5c31\u76f8\u5f53\u4e8e\u662f\u8fd9\u4e2a\u94fe\u8868\u7684\u54ea\u4e2a\u4f4d\u7f6e\u3002 \u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"1463\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250515132109-6825ea45b702f.png\" width=\"2501\" \/><\/p>\n<h4>2.3 \u7cfb\u7edf\u8c03\u7528\u63a5\u53e3\u548c\u7528\u6237\u64cd\u4f5c\u63a5\u53e3\u533a\u522b<\/h4>\n<p>\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3\u5c31\u662f\u64cd\u4f5c\u7cfb\u7edf\u4e3a\u4e86\u4e0a\u5c42\u8003\u8651\u7136\u540e\u5f00\u653e\u81ea\u5df1\u7684\u90e8\u5206\u63a5\u53e3\u7528\u4e8e\u548c\u4e0a\u5c42\u8fdb\u884c\u94fe\u63a5\u3002\u4ed6\u7684\u672c\u8d28\u6211\u4eec\u4e5f\u53ef\u4ee5\u7406\u89e3\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<p>\u800c\u7528\u6237\u64cd\u4f5c\u63a5\u53e3\u5c31\u4e0d\u4e00\u6837\u4e86&#xff0c;\u5b83\u7684\u672c\u8d28\u6211\u4eec\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e3a\u4e86\u7528\u6237\u53ef\u4ee5\u95f4\u63a5\u8c03\u7528\u64cd\u4f5c\u7cfb\u7edf\u800c\u8bbe\u8ba1\u7684\u63a5\u53e3&#xff0c;\u5f53\u7136\u4e0d\u540c\u7684\u8bed\u8a00\u4e5f\u6709\u4e0d\u540c\u7684\u7528\u6237\u64cd\u4f5c\u63a5\u53e3&#xff0c;\u6211\u4eec\u4e5f\u53ef\u4ee5\u53eb\u5b83\u4eec\u4e3a\u5e93\u51fd\u6570\u3002<\/p>\n<p>PS&#xff1a;\u867d\u7136\u7528\u6237\u64cd\u4f5c\u63a5\u53e3\u6709\u5f88\u591a\u4e2a&#xff0c;\u4f46\u662f\u5b83\u4eec\u90fd\u662f\u6307\u5411\u4e86\u540c\u6837\u7684\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3\u3002<\/p>\n<h2>3. \u8fdb\u7a0b<\/h2>\n<h4>3.1 \u8fdb\u7a0b\u6982\u5ff5<\/h4>\n<p>\u8fdb\u7a0b\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u4e00\u4e2a\u4e2a\u6b63\u5728\u8dd1\u7684\u7a0b\u5e8f\u6216\u8005\u4e00\u4e2a\u4e2a\u6267\u884c\u5b9e\u4f8b\u7b49\u7b49\u3002<\/p>\n<h4>3.2 PCB<\/h4>\n<p>\u8981\u7406\u89e3\u8fdb\u7a0b\u6211\u4eec\u5c31\u4f1a\u8c08\u5230\u4e00\u4e2a\u6982\u5ff5\u53eb\u505aPCB&#xff0c;\u6211\u4eec\u4e5f\u53ef\u4ee5\u53eb\u5b83task_struct\u3002<\/p>\n<p>\u90a3\u4e48\u4ec0\u4e48\u662fPCB\u5462&#xff1f;\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u76f8\u5f53\u4e8e\u4e00\u5757\u5b58\u50a8\u7740\u4ee3\u7801\u6216\u8005\u8bf4\u8fdb\u7a0b\u4fe1\u606f\u7684\u4e00\u4e2a\u7ed3\u6784\u4f53\u3002\u6211\u4eec\u4e4b\u6240\u4ee5\u4f1a\u7528\u5230\u8fd9\u4e2a\u672c\u8d28\u4e0a\u662f\u56e0\u4e3a\u7a0b\u5e8f\u662f\u4e00\u4e2a\u4e2a\u6267\u884c\u7684&#xff08;\u5355\u6838\u8ba1\u7b97\u673a&#xff09;\u3002\u90a3\u4e48\u6211\u4eec\u5c31\u9700\u8981\u5bf9\u4ee3\u7801\u8fdb\u884c\u6392\u961f&#xff0c;\u4f46\u662f\u76f4\u63a5\u8ba9\u4ee3\u7801\u6216\u8005\u8bf4\u8fdb\u7a0b\u53bb\u6392\u961f\u7684\u8bdd\u4f1a\u5f71\u54cd\u8ba1\u7b97\u673a\u7684\u901f\u5ea6&#xff0c;\u6240\u4ee5\u6211\u4eec\u521b\u5efa\u4e86task_struct&#xff0c;\u8ba9\u5b83\u4ee3\u66ff\u8fdb\u7a0b\u53bb\u6392\u961f\u3002<\/p>\n<p>PS:\u867d\u7136\u8bf4\u662f\u4e00\u4e2a\u4e2a\u6267\u884c&#xff0c;\u4f46\u662f\u5e76\u4e0d\u662f\u4e00\u6b21\u5c31\u76f4\u63a5\u5b8c\u6210\u7684&#xff0c;\u4e3e\u4e2a\u4f8b\u5b50&#xff0c;\u53ef\u80fd\u662f\u6bcf\u4e2a\u4ee3\u7801\u8dd10.0000001\u79d2\u5c31\u6362\u4e00\u4e2a\u4ee3\u7801\u8dd1\u3002\u540c\u65f6\u7531\u4e8e\u8ba1\u7b97\u673a\u7684\u8ba1\u7b97\u901f\u5ea6\u5f88\u5feb&#xff0c;\u6240\u4ee5\u5728\u6211\u4eec\u770b\u6765\u5c31\u662f\u5f88\u591a\u4e2a\u4ee3\u7801\u540c\u65f6\u5728\u8dd1\u3002<\/p>\n<p>\u4e3e\u4e2a\u4f8b\u5b50&#xff0c;\u5c31\u76f8\u5f53\u4e8e\u6211\u4eec\u5728\u624b\u673a\u4e0a\u5356\u5976\u8336&#xff0c;\u6211\u4eec\u8fd8\u6709\u597d\u51e0\u676f\u5728\u505a&#xff0c;\u90a3\u4e48\u8fd9\u4e2a\u65f6\u5019\u5c31\u662f\u6211\u4eec\u7684\u8fd9\u4e2a\u5976\u8336\u7684\u8ba2\u5355\u53f7\u5728\u7cfb\u7edf\u91cc\u9762\u6392\u961f&#xff0c;\u4e0d\u7136\u7684\u8bdd\u6211\u4eec\u5c31\u8981\u5728\u73b0\u5b9e\u91cc\u9762\u4e00\u4e2a\u4e2a\u6392\u597d\u961f\u62ff\u5976\u8336\u3002<\/p>\n<p>task_struct\u91cc\u9762\u5927\u6982\u5c31\u5b58\u50a8\u4e86\u4ee5\u4e0b\u6570\u636e&#xff1a;<\/p>\n<p><span style=\"color:#333333\">\u6807\u793a\u7b26: \u63cf\u8ff0\u672c\u8fdb\u7a0b\u7684\u552f\u4e00\u6807\u793a\u7b26&#xff0c;\u7528\u6765\u533a\u522b\u5176\u4ed6\u8fdb\u7a0b\u3002 <\/span><\/p>\n<p><span style=\"color:#333333\">\u72b6\u6001: \u4efb\u52a1\u72b6\u6001&#xff0c;\u9000\u51fa\u4ee3\u7801&#xff0c;\u9000\u51fa\u4fe1\u53f7\u7b49\u3002 <\/span><\/p>\n<p><span style=\"color:#333333\">\u4f18\u5148\u7ea7: \u76f8\u5bf9\u4e8e\u5176\u4ed6\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u3002 <\/span><\/p>\n<p><span style=\"color:#333333\">\u7a0b\u5e8f\u8ba1\u6570\u5668: \u7a0b\u5e8f\u4e2d\u5373\u5c06\u88ab\u6267\u884c\u7684\u4e0b\u4e00\u6761\u6307\u4ee4\u7684\u5730\u5740\u3002 <\/span><\/p>\n<p><span style=\"color:#333333\">\u5185\u5b58\u6307\u9488: \u5305\u62ec\u7a0b\u5e8f\u4ee3\u7801\u548c\u8fdb\u7a0b\u76f8\u5173\u6570\u636e\u7684\u6307\u9488&#xff0c;\u8fd8\u6709\u548c\u5176\u4ed6\u8fdb\u7a0b\u5171\u4eab\u7684\u5185\u5b58\u5757\u7684\u6307\u9488 <\/span><\/p>\n<p><span style=\"color:#333333\">\u4e0a\u4e0b\u6587\u6570\u636e: \u8fdb\u7a0b\u6267\u884c\u65f6\u5904\u7406\u5668\u7684\u5bc4\u5b58\u5668\u4e2d\u7684\u6570\u636e[\u4f11\u5b66\u4f8b\u5b50&#xff0c;\u8981\u52a0\u56feCPU&#xff0c;\u5bc4\u5b58\u5668]\u3002 <\/span><\/p>\n<p><span style=\"color:#333333\">I&#xff0f;O\u72b6\u6001\u4fe1\u606f: \u5305\u62ec\u663e\u793a\u7684I\/O\u8bf7\u6c42,\u5206\u914d\u7ed9\u8fdb\u7a0b\u7684I&#xff0f;O\u8bbe\u5907\u548c\u88ab\u8fdb\u7a0b\u4f7f\u7528\u7684\u6587\u4ef6\u5217\u8868\u3002 <\/span><\/p>\n<p><span style=\"color:#333333\">\u8bb0\u8d26\u4fe1\u606f: \u53ef\u80fd\u5305\u62ec\u5904\u7406\u5668\u65f6\u95f4\u603b\u548c&#xff0c;\u4f7f\u7528\u7684\u65f6\u949f\u6570\u603b\u548c&#xff0c;\u65f6\u95f4\u9650\u5236&#xff0c;\u8bb0\u8d26\u53f7\u7b49\u3002 <\/span><\/p>\n<p><span style=\"color:#333333\">\u5176\u4ed6\u4fe1\u606f&#8230;&#8230;<\/span><\/p>\n<p><span style=\"color:#333333\">PS&#xff1a;\u8fd9\u4e2a\u4e0a\u4e0b\u6587\u6570\u636e\u7b80\u5355\u6765\u8bf4\u5c31\u76f8\u5f53\u4e8e\u5728\u8fdb\u7a0b\u4e0a\u4e0b\u6587\u5207\u6362\u65f6&#xff0c;\u4fdd\u5b58\u5f53\u524d\u8fdb\u7a0b\u5904\u7406\u5668\u5bc4\u5b58\u5668\u4e2d\u7684\u6570\u636e&#xff0c;\u9632\u6b62\u6570\u636e\u4e22\u5931 \u3002\u5f53\u8fdb\u7a0b\u91cd\u65b0\u88ab\u8c03\u5ea6\u6267\u884c\u65f6&#xff0c;\u80fd\u6062\u590d\u8fd9\u4e9b\u6570\u636e&#xff0c;\u8ba9\u8fdb\u7a0b\u7ee7\u7eed\u4e4b\u524d\u7684\u6267\u884c\u72b6\u6001&#xff0c;\u786e\u4fdd\u591a\u8fdb\u7a0b\u5e76\u53d1\u6267\u884c\u7684\u6b63\u5e38\u8fd0\u8f6c \u3002\u8fd9\u8fb9\u8981\u6ce8\u610f\u548c\u7a0b\u5e8f\u8ba1\u6570\u5668\u505a\u533a\u5206\u3002<\/span><\/p>\n<h2>4. \u7236\u5b50\u8fdb\u7a0b<\/h2>\n<h4>4.1\u00a0\u7236\u5b50\u8fdb\u7a0b\u6982\u5ff5<\/h4>\n<p>\u7236\u5b50\u8fdb\u7a0b\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u7236\u8fdb\u7a0b\u8981\u505a\u67d0\u4e00\u4ef6\u4efb\u52a1&#xff0c;\u4f46\u662f\u5b83\u5e76\u4e0d\u4f1a\u81ea\u5df1\u53bb\u505a&#xff0c;\u800c\u662f\u4f1a\u751f\u6210\u4e00\u4e2a\u5b50\u8fdb\u7a0b&#xff0c;\u8fd9\u4e2a\u5b50\u8fdb\u7a0b\u4f1a\u548c\u7236\u8fdb\u7a0b\u5171\u4eab\u4ee3\u7801&#xff0c;\u4f46\u662f\u5728\u6570\u636e\u4e0a\u4f1a\u81ea\u5df1\u751f\u6210\u4e00\u4efd&#xff08;\u8fd9\u662f\u4e3a\u4e86\u9632\u6b62\u6c61\u67d3\u539f\u6570\u636e&#xff09;&#xff0c;\u7136\u540e\u8fd9\u4e2a\u5b50\u8fdb\u7a0b\u4f1a\u53bb\u6267\u884c\u8fd9\u4e2a\u4efb\u52a1\u3002<\/p>\n<p>\u540c\u65f6\u5f53\u5b50\u8fdb\u7a0b\u5b8c\u6210\u4efb\u52a1\u7684\u65f6\u5019&#xff0c;\u7236\u8fdb\u7a0b\u4f1a\u5bf9\u5b50\u8fdb\u7a0b\u8fdb\u884c\u56de\u6536\u3002<\/p>\n<p>\u5b50\u8fdb\u7a0b\u6709\u5404\u79cd\u5404\u6837\u7684\u72b6\u6001&#xff0c;\u4ee5\u4e0b\u662f\u4ed6\u7684\u4e00\u4e9b\u72b6\u6001\u7c7b\u578b&#xff1a;<\/p>\n<p><span style=\"color:#333333\">R\u8fd0\u884c\u72b6\u6001&#xff08;running&#xff09;: \u5e76\u4e0d\u610f\u5473\u7740\u8fdb\u7a0b\u4e00\u5b9a\u5728\u8fd0\u884c\u4e2d&#xff0c;\u5b83\u8868\u660e\u8fdb\u7a0b\u8981\u4e48\u662f\u5728\u8fd0\u884c\u4e2d\u8981\u4e48\u5728\u8fd0\u884c\u961f\u5217\u91cc\u3002 <\/span><\/p>\n<p><span style=\"color:#333333\">S\u7761\u7720\u72b6\u6001&#xff08;sleeping): \u610f\u5473\u7740\u8fdb\u7a0b\u5728\u7b49\u5f85\u4e8b\u4ef6\u5b8c\u6210&#xff08;\u8fd9\u91cc\u7684\u7761\u7720\u6709\u65f6\u5019\u4e5f\u53eb\u505a\u53ef\u4e2d\u65ad\u7761\u7720 &#xff08;interruptible sleep&#xff09;&#xff09;\u3002<\/span><\/p>\n<p><span style=\"color:#333333\">D\u78c1\u76d8\u4f11\u7720\u72b6\u6001&#xff08;Disk sleep&#xff09;\u6709\u65f6\u5019\u4e5f\u53eb\u4e0d\u53ef\u4e2d\u65ad\u7761\u7720\u72b6\u6001&#xff08;uninterruptible sleep&#xff09;&#xff0c;\u5728\u8fd9\u4e2a\u72b6\u6001\u7684\u8fdb\u7a0b\u901a\u5e38\u4f1a\u7b49\u5f85IO\u7684\u7ed3\u675f\u3002 <\/span><\/p>\n<p><span style=\"color:#333333\">T\u505c\u6b62\u72b6\u6001&#xff08;stopped&#xff09;&#xff1a; \u53ef\u4ee5\u901a\u8fc7\u53d1\u9001 SIGSTOP \u4fe1\u53f7\u7ed9\u8fdb\u7a0b\u6765\u505c\u6b62&#xff08;T&#xff09;\u8fdb\u7a0b\u3002\u8fd9\u4e2a\u88ab\u6682\u505c\u7684\u8fdb\u7a0b\u53ef\u4ee5\u901a\u8fc7\u53d1\u9001 SIGCONT \u4fe1\u53f7\u8ba9\u8fdb\u7a0b\u7ee7\u7eed\u8fd0\u884c\u3002 <\/span><\/p>\n<p><span style=\"color:#333333\">X\u6b7b\u4ea1\u72b6\u6001&#xff08;dead&#xff09;&#xff1a;\u8fd9\u4e2a\u72b6\u6001\u53ea\u662f\u4e00\u4e2a\u8fd4\u56de\u72b6\u6001&#xff0c;\u4f60\u4e0d\u4f1a\u5728\u4efb\u52a1\u5217\u8868\u91cc\u770b\u5230\u8fd9\u4e2a\u72b6\u6001<\/span><\/p>\n<h6><span style=\"color:#333333\">4.1.1\u00a0<\/span>\u50f5\u5c38\u8fdb\u7a0b<\/h6>\n<p>\u6709\u8fdb\u7a0b\u53eb\u505a\u50f5\u5c38\u8fdb\u7a0b\u5373&#xff08;Z\u8fdb\u7a0b&#xff09;&#xff0c;\u5c31\u662f\u6307\u5b50\u8fdb\u7a0b\u7ed3\u675f\u540e\u7236\u8fdb\u7a0b\u6ca1\u6709\u5bf9\u5176\u8fdb\u884c\u56de\u6536\u65f6\u7684\u4e00\u79cd\u72b6\u6001\u3002\u8fd9\u4e2a\u72b6\u6001\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898&#xff0c;\u5982\u679c\u7236\u8fdb\u7a0b\u4e00\u76f4\u4e0d\u6765\u56de\u6536&#xff0c;\u90a3\u4e48\u5b50\u8fdb\u7a0b\u5c31\u4f1a\u4e00\u76f4\u5904\u4e8e\u50f5\u5c38\u72b6\u6001\u3002<\/p>\n<h6>4.1.2 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