{"id":76083,"date":"2024-01-11T18:42:26","date_gmt":"2024-01-11T10:42:26","guid":{"rendered":"\/\/www.viralrail.com\/?p=76083"},"modified":"2024-01-11T18:42:26","modified_gmt":"2024-01-11T10:42:26","slug":"jckzkzdhxgjc","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/76083.html","title":{"rendered":"\u8fdb\u7a0b\u63a7\u5236\u5757\u4e2d\u7684\u6838\u5fc3\u5173\u952e\u8bcd"},"content":{"rendered":"

  \u8fdb\u7a0b\u63a7\u5236\u5757\uff08Process Control Block\uff0cPCB\uff09\u662f\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u5305\u542b\u4e86\u8bb8\u591a\u6838\u5fc3\u4fe1\u606f\u548c\u529f\u80fd\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u8fdb\u7a0b\u63a7\u5236\u5757\u7684\u4e3b\u8981\u5185\u5bb9\u53ca\u5176\u91cd\u8981\u6027\u3002<\/p>\n

PCB\u7684\u7ed3\u6784<\/h2>\n

  \u8fdb\u7a0b\u63a7\u5236\u5757\uff08PCB\uff09\u662f\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7528\u4e8e\u7ba1\u7406\u8fdb\u7a0b\u548c\u7ebf\u7a0b\u7684\u6838\u5fc3\u6570\u636e\u7ed3\u6784\u3002PCB\u5305\u542b\u4e86\u5927\u91cf\u5173\u952e\u4fe1\u606f\uff0c\u5176\u4e2d\u5305\u62ec\u8fdb\u7a0b\u72b6\u6001\u3001\u7a0b\u5e8f\u8ba1\u6570\u5668\u3001\u5bc4\u5b58\u5668\u3001\u8fdb\u7a0b\u53f7\u3001\u7236\u8fdb\u7a0b\u53f7\u3001\u8fdb\u7a0b\u8c03\u5ea6\u4fe1\u606f\u3001\u5185\u5b58\u7ba1\u7406\u4fe1\u606f\u7b49\u3002\u901a\u8fc7\u6df1\u5165\u4e86\u89e3PCB<\/a>\u7684\u7ed3\u6784\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u64cd\u4f5c\u7cfb\u7edf\u662f\u5982\u4f55\u7ba1\u7406\u8fdb\u7a0b\u7684\u3002<\/p>\n

  \u8fdb\u7a0b\u72b6\u6001<\/h3>\n

  \u8fdb\u7a0b\u63a7\u5236\u5757\u4e2d\u5305\u542b\u4e86\u8fdb\u7a0b\u7684\u72b6\u6001\u4fe1\u606f\uff0c\u5982\u8fd0\u884c\u3001\u5c31\u7eea\u3001\u963b\u585e\u7b49\u3002\u8fd9\u4e9b\u72b6\u6001\u6807\u8bc6\u4e86\u8fdb\u7a0b\u5f53\u524d\u6240\u5904\u7684\u72b6\u6001\uff0c\u64cd\u4f5c\u7cfb\u7edf\u53ef\u4ee5\u636e\u6b64\u8fdb\u884c\u76f8\u5e94\u7684\u8c03\u5ea6\u548c\u7ba1\u7406\u3002<\/p>\n

  \u7a0b\u5e8f\u8ba1\u6570\u5668\u548c\u5bc4\u5b58\u5668<\/h3>\n

  \u7a0b\u5e8f\u8ba1\u6570\u5668\uff08Program Counter\uff09\u548c\u5bc4\u5b58\u5668\u5b58\u50a8\u4e86\u8fdb\u7a0b\u7684\u6267\u884c\u72b6\u6001\u548c\u4e0a\u4e0b\u6587\u4fe1\u606f\u3002\u5f53\u64cd\u4f5c\u7cfb\u7edf\u5207\u6362\u8fdb\u7a0b\u65f6\uff0c\u8fd9\u4e9b\u4fe1\u606f\u4f1a\u88ab\u4fdd\u5b58\u5728\u8fdb\u7a0b\u63a7\u5236\u5757\u4e2d\uff0c\u4ee5\u4fbf\u5728\u6062\u590d\u6267\u884c\u65f6\u80fd\u591f\u51c6\u786e\u5730\u7ee7\u7eed\u8fdb\u884c\u3002<\/p>\n

  \u5176\u4ed6\u4fe1\u606f<\/h3>\n

  \u6b64\u5916\uff0c\u8fdb\u7a0b\u63a7\u5236\u5757\u8fd8\u5305\u542b\u4e86\u8fdb\u7a0b\u7684\u8bf8\u591a\u4fe1\u606f\uff0c\u5982\u8fdb\u7a0b\u4f18\u5148\u7ea7\u3001\u8fdb\u7a0b\u6240\u7528\u7684\u8d44\u6e90\u3001\u8fdb\u7a0b\u7684\u8c03\u5ea6\u4fe1\u606f\u7b49\u3002\u8fd9\u4e9b\u4fe1\u606f\u7684\u7ba1\u7406\u548c\u8c03\u5ea6\u5bf9\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

PCB\u7684\u91cd\u8981\u6027<\/h2>\n

  \u8fdb\u7a0b\u63a7\u5236\u5757\u4e0d\u4ec5\u5305\u542b\u4e86\u8fdb\u7a0b\u7684\u5173\u952e\u4fe1\u606f\uff0c\u8fd8\u5bf9\u64cd\u4f5c\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u3001\u53ef\u9760\u6027\u548c\u6027\u80fd\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002PCB\u4f7f\u5f97\u64cd\u4f5c\u7cfb\u7edf\u80fd\u591f\u6709\u6548\u5730\u7ba1\u7406\u548c\u8c03\u5ea6\u8fdb\u7a0b\uff0c\u4ece\u800c\u5b9e\u73b0\u591a\u4efb\u52a1\u5904\u7406\u548c\u8d44\u6e90\u7ba1\u7406\u3002<\/p>\n

  \u591a\u4efb\u52a1\u5904\u7406<\/h3>\n

  \u64cd\u4f5c\u7cfb\u7edf\u901a\u8fc7\u7ba1\u7406\u8fdb\u7a0b\u63a7\u5236\u5757\uff0c\u80fd\u591f\u5b9e\u73b0\u591a\u4efb\u52a1\u5904\u7406\uff0c\u4f7f\u5f97\u591a\u4e2a\u8fdb\u7a0b\u80fd\u591f\u5171\u4eab\u7cfb\u7edf\u8d44\u6e90\uff0c\u5e76\u4ee5\u5408\u7406\u7684\u65b9\u5f0f\u534f\u540c\u5de5\u4f5c\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u6574\u4f53\u6548\u7387\u3002<\/p>\n

  \u8d44\u6e90\u7ba1\u7406<\/h3>\n

  PCB\u4e5f\u5305\u542b\u4e86\u8fdb\u7a0b\u6240\u4f7f\u7528\u7684\u8d44\u6e90\u4fe1\u606f\uff0c\u64cd\u4f5c\u7cfb\u7edf\u901a\u8fc7\u5206\u6790\u548c\u7ba1\u7406\u8fd9\u4e9b\u4fe1\u606f\uff0c\u80fd\u591f\u66f4\u597d\u5730\u4fdd\u8bc1\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u548c\u7a33\u5b9a\u6027\uff0c\u907f\u514d\u8d44\u6e90\u7684\u51b2\u7a81\u4e0e\u6d6a\u8d39\u3002<\/p>\n

  \u7cfb\u7edf\u7a33\u5b9a\u6027<\/h3>\n

  \u8fdb\u7a0b\u63a7\u5236\u5757\u7684\u6709\u6548\u7ba1\u7406\u5bf9\u4fdd\u8bc1\u64cd\u4f5c\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u81f3\u5173\u91cd\u8981\u3002PCB\u4e2d\u5305\u542b\u7684\u4fe1\u606f\u53ef\u4ee5\u5e2e\u52a9\u64cd\u4f5c\u7cfb\u7edf\u6709\u6548\u5730\u5904\u7406\u8fdb\u7a0b\u95f4\u7684\u7ba1\u7406\u548c\u8c03\u5ea6\uff0c\u4ece\u800c\u4fdd\u8bc1\u7cfb\u7edf\u7684\u7a33\u5b9a\u8fd0\u884c\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u8fdb\u7a0b\u63a7\u5236\u5757\u662f\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u6838\u5fc3\u6982\u5ff5\uff0c\u5b83\u5305\u542b\u4e86\u5927\u91cf\u5173\u952e\u4fe1\u606f\uff0c\u5982\u8fdb\u7a0b\u72b6\u6001\u3001\u7a0b\u5e8f\u8ba1\u6570\u5668\u3001\u5bc4\u5b58\u5668\u3001\u8d44\u6e90\u4fe1\u606f\u7b49\u3002<\/strong>\u901a\u8fc7\u5408\u7406\u7ba1\u7406\u548c\u8c03\u5ea6PCB\uff0c\u64cd\u4f5c\u7cfb\u7edf\u80fd\u591f\u5b9e\u73b0\u591a\u4efb\u52a1\u5904\u7406\u3001\u8d44\u6e90\u7ba1\u7406\u3001\u63d0\u9ad8\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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