{"id":267387,"date":"2023-03-20T14:05:07","date_gmt":"2023-03-20T06:05:07","guid":{"rendered":"https:\/\/lrxjmw.cn\/ldxcbctgcxxl.html"},"modified":"2023-03-20T14:05:07","modified_gmt":"2023-03-20T06:05:07","slug":"ldxcbctgcxxl","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/ldxcbctgcxxl.html","title":{"rendered":"Linux C\u591a\u7ebf\u7a0b\u7f16\u7a0b\uff0c\u63d0\u9ad8\u7a0b\u5e8f\u6548\u7387\u7684\u5fc5\u4fee\u6280\u80fd"},"content":{"rendered":"

\u5728\u8f6f\u4ef6\u5f00\u53d1\u9886\u57df\uff0c\u591a\u7ebf\u7a0b\u7f16\u7a0b\u662f\u975e\u5e38\u91cd\u8981\u7684\u6280\u80fd\u4e4b\u4e00\u3002\u4eca\u5929\uff0c\u6211\u4eec\u5c06\u8ba8\u8bba\u5982\u4f55\u5728Linux<\/a> C\u4e2d\u4f7f\u7528\u591a\u7ebf\u7a0b\u6765\u63d0\u9ad8\u7a0b\u5e8f\u7684\u8fd0\u884c\u6548\u7387\u3002\u672c\u6587\u5c06\u5206\u4e3a\u4ee5\u4e0b10\u4e2a\u65b9\u9762\u8fdb\u884c\u9010\u6b65\u5206\u6790\uff1a<\/p>\n

1.\u591a\u7ebf\u7a0b\u7f16\u7a0b\u7684\u57fa\u7840\u77e5\u8bc6<\/p>\n

2.\u7ebf\u7a0b\u7684\u521b\u5efa\u548c\u9500\u6bc1<\/p>\n

3.\u7ebf\u7a0b\u540c\u6b65\u4e0e\u4e92\u65a5<\/p>\n

4.\u7ebf\u7a0b\u6c60\u7684\u5b9e\u73b0<\/p>\n

5.\u591a\u7ebf\u7a0b\u4e2d\u7684\u5f02\u5e38\u5904\u7406<\/p>\n

6.\u4fe1\u53f7\u5904\u7406\u4e0e\u7ebf\u7a0b\u5b89\u5168<\/p>\n

7.I\/O\u591a\u8def\u590d\u7528<\/p>\n

8.\u591a\u6838CPU\u4e0b\u7684\u6027\u80fd\u4f18\u5316<\/p>\n

9.\u591a\u7ebf\u7a0b\u7f51\u7edc\u7f16\u7a0b<\/p>\n

10.\u591a\u7ebf\u7a0b\u8c03\u8bd5\u6280\u5de7<\/p>\n

1.\u591a\u7ebf\u7a0b\u7f16\u7a0b\u7684\u57fa\u7840\u77e5\u8bc6<\/p>\n

\u5728\u5f00\u59cb\u591a\u7ebf\u7a0b\u7f16\u7a0b\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u4e86\u89e3\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u3002\u9996\u5148\uff0c\u8fdb\u7a0b\u662f\u4e00\u4e2a\u6b63\u5728\u6267\u884c\u4e2d\u7684\u7a0b\u5e8f\uff0c\u800c\u7ebf\u7a0b\u662f\u8fdb\u7a0b\u4e2d\u7684\u4e00\u4e2a\u6267\u884c\u5355\u5143\u3002\u4e00\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u5305\u542b\u591a\u4e2a\u7ebf\u7a0b\uff0c\u8fd9\u4e9b\u7ebf\u7a0b\u53ef\u4ee5\u5e76\u53d1\u6267\u884c\u3002<\/p>\n

\u5728Linux\u7cfb\u7edf<\/a>\u4e2dlinux\u64cd\u4f5c\u7cfb\u7edf\u754c\u9762\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u6709\u81ea\u5df1\u7684\u6808\u7a7a\u95f4\u548c\u5bc4\u5b58\u5668\u72b6\u6001\uff0c\u5e76\u4e14\u5b83\u4eec\u5171\u4eab\u8fdb\u7a0b\u7684\u5185\u5b58\u7a7a\u95f4\u548c\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002\u8fd9\u610f\u5473\u7740\uff0c\u5728\u4e00\u4e2a\u8fdb\u7a0b\u4e2d\u521b\u5efa\u7684\u591a\u4e2a\u7ebf\u7a0b\u53ef\u4ee5\u540c\u65f6\u8bbf\u95ee\u76f8\u540c\u7684\u53d8\u91cf\u548c\u6570\u636e\u7ed3\u6784\u3002<\/p>\n

2.\u7ebf\u7a0b\u7684\u521b\u5efa\u548c\u9500\u6bc1<\/p>\n

\u5728Linux C\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528pthread\u5e93\u6765\u521b\u5efa\u548c\u7ba1\u7406\u7ebf\u7a0b\u3002\u8981\u521b\u5efa\u4e00\u4e2a\u65b0\u7ebf\u7a0b\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528pthread_create\u51fd\u6570\uff0c\u5e76\u4f20\u9012\u4e00\u4e2a\u51fd\u6570\u6307\u9488\u4f5c\u4e3a\u53c2\u6570\u3002\u8fd9\u4e2a\u51fd\u6570\u6307\u9488\u5c06\u4f5c\u4e3a\u65b0\u7ebf\u7a0b\u7684\u5165\u53e3\u70b9\uff0c\u5e76\u5728\u65b0\u7ebf\u7a0b\u542f\u52a8\u65f6\u88ab\u8c03\u7528\u3002<\/p>\n

\u5f53\u6211\u4eec\u4e0d\u518d\u9700\u8981\u4e00\u4e2a\u7ebf\u7a0b\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528pthread_join\u51fd\u6570\u7b49\u5f85\u8be5\u7ebf\u7a0b\u9000\u51fa\uff0c\u5e76\u91ca\u653e\u5b83\u6240\u5360\u7528\u7684\u8d44\u6e90\u3002\u53e6\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528pthread_detach\u51fd\u6570\u5c06\u4e00\u4e2a\u7ebf\u7a0b\u5206\u79bb\u51fa\u6765\uff0c\u4f7f\u5b83\u5728\u9000\u51fa\u65f6\u81ea\u52a8\u91ca\u653e\u8d44\u6e90\u3002<\/p>\n

3.\u7ebf\u7a0b\u540c\u6b65\u4e0e\u4e92\u65a5<\/p>\n

\u5728\u7ebf\u7a0b\u7f16\u5199\u8fc7\u7a0b\u4e2d\uff0c\u901a\u5e38\u9700\u8981\u5bf9\u5171\u4eab\u8d44\u6e90\u8fdb\u884c\u540c\u6b65\u548c\u4e92\u65a5\u64cd\u4f5c\uff0c\u4ee5\u907f\u514d\u7ade\u4e89\u6761\u4ef6\u548c\u6b7b\u9501\u95ee\u9898\u3002\u5728Linux C\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4fe1\u53f7\u91cf\u3001\u4e92\u65a5\u9501\u548c\u6761\u4ef6\u53d8\u91cf\u7b49\u673a\u5236\u6765\u5b9e\u73b0\u8fd9\u4e9b\u64cd\u4f5c\u3002<\/p>\n

\u4fe1\u53f7\u91cf\u662f\u4e00\u79cd\u8ba1\u6570\u5668\u5bf9\u8c61\uff0c\u7528\u4e8e\u63a7\u5236\u5bf9\u5171\u4eab\u8d44\u6e90\u7684\u8bbf\u95ee\u3002\u4e92\u65a5\u9501\u662f\u4e00\u79cd\u4e8c\u5143\u72b6\u6001\u5bf9\u8c61\uff0c\u7528\u4e8e\u4fdd\u62a4\u5bf9\u5171\u4eab\u8d44\u6e90\u7684\u8bbf\u95ee\u3002\u6761\u4ef6\u53d8\u91cf\u662f\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u4fe1\u53f7\u91cflinux\u547d\u4ee4tar\uff0c\u7528\u4e8e\u5728\u7ebf\u7a0b\u4e4b\u95f4\u4f20\u9012\u4fe1\u606f\u3002<\/p>\n

4.\u7ebf\u7a0b\u6c60\u7684\u5b9e\u73b0<\/p>\n

\u4e3a\u4e86\u63d0\u9ad8\u591a\u7ebf\u7a0b\u5e8f\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\uff0c\u5e76\u51cf\u5c11\u7cfb\u7edf\u5f00\u9500\uff0c\u901a\u5e38\u4f1a\u4f7f\u7528\u7ebf\u7a0b\u6c60\u6280\u672f\u6765\u7ba1\u7406\u5927\u91cf\u5e76\u53d1\u4efb\u52a1\u3002\u5728\u7ebf\u6027\u6c60\u6a21\u5f0f\u4e0b\uff0c\u4e00\u7ec4\u9884\u5148\u521b\u5efa\u597d\u7684\u5de5\u4f5c\u7ebf\u79f0\u4f5c“\u5de5\u4f5c\u8005”linux c \u591a\u7ebf\u7a0b<\/strong>\uff0c\u8fd9\u4e9b\u5de5\u4f5c\u8005\u7b49\u5f85\u63a5\u53d7\u4efb\u52a1\u5e76\u6267\u884c\u3002<\/p>\n

\u5728\u7ebf\u6027\u6c60\u6a21\u5f0f\u4e0b\uff0c\u4efb\u52a1\u88ab\u63d0\u4ea4\u5230\u961f\u5217\u4e2d\uff0c\u5e76\u7531\u53ef\u7528\u5de5\u4f5c\u8005\u4ece\u961f\u5217\u5934\u90e8\u53d6\u51fa\u5e76\u6267\u884c\u3002\u5f53\u4efb\u52a1\u5b8c\u6210\u65f6\uff0c\u5de5\u4f5c\u8005\u8fd4\u56de\u5230\u6c60\u4e2d\u7b49\u5f85\u4e0b\u4e00\u6b21\u4efb\u52a1\u5206\u914d\u3002<\/p>\n

5.\u591a\u7ebf\u7a0b\u5e8f\u4e2d\u5f02\u5e38\u5904\u7406<\/p>\n

\u5f02\u5e38\u5904\u7406\u662f\u4efb\u4f55\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5fc5\u987b\u8003\u8651\u5230\u7684\u95ee\u9898\u4e4b\u4e00\u3002\u5728\u591a\u7ebf\u7a0b\u5e8f\u4e2d\u66f4\u52a0\u590d\u6742\u548c\u56f0\u96be\u3002\u56e0\u4e3a\u5f53\u4e00\u4e2a\u5f02\u5e38\u88ab\u629b\u51fa\u65f6\uff0c\u5b83\u53ef\u80fd\u4f1a\u5f71\u54cd\u6574\u4e2a\u8fdb\u57ce\u6216\u8005\u5176\u4ed6\u6b63\u5728\u8fd0\u884c\u7684\u5b50\u8fdb\u57ce\u6216\u5b50\u53bf\u57ce\u3002<\/p>\n

\u4e3a\u4e86\u6709\u6548\u5730\u5904\u7406\u5f02\u5e38\uff0c\u5728Linux C\u4e2d\u53ef\u4ee5\u4f7f\u7528sigaction\u51fd\u6570\u6765\u6ce8\u518c\u4fe1\u53f7\u5904\u7406\u5668\uff0c\u5e76\u6355\u83b7\u5404\u79cd\u7c7b\u578b\u7684\u4fe1\u53f7\u4e8b\u4ef6\u3002\u6b64\u5916\uff0c\u5728\u8fdb\u884c\u591a\u7aef\u53e3\u5f00\u53d1\u65f6\u4e5f\u9700\u8981\u6ce8\u610f\u9519\u8bef\u5904\u7406\u3001\u65e5\u5fd7\u8bb0\u5f55\u7b49\u7ec6\u8282\u95ee\u9898\u3002<\/p>\n

6.\u4fe1\u53f7\u5904\u7406\u4e0e\u53bf\u57ce\u5b89\u5168<\/p>\n

\u5728Linux C \u4e2d\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u6240\u6709\u4fe1\u53f7\u90fd\u4f1a\u88ab\u53d1\u9001\u5230\u5f53\u524d\u8fd0\u884c\u53bf\u57ce\u4e0a\u6267\u884c\u4fe1\u53f7\u5904\u7406\u4f8b\u884c\u7a0b\u5e8f\uff08signal handler\uff09\u3002\u4f46\u5982\u679c\u6ca1\u6709\u6b63\u786e\u5730\u914d\u7f6e\u4fe1\u53f7\u63a9\u7801\uff0c\u5219\u53ef\u80fd\u5bfc\u81f4\u67d0\u4e2a\u53bf\u57ce\u6536\u5230\u4e0d\u5c5e\u4e8e\u81ea\u5df1\u5e94\u8be5\u63a5\u6536\u5230\u5e95\u4fe1\u53f7\u4e8b\u4ef6\u3002<\/p>\n

\u56e0\u6b64\uff0c\u5728\u8fdb\u884c\u591a\u7aef\u53e3\u5f00\u53d1\u65f6\u9700\u8981\u7279\u522b\u6ce8\u610f\u76f8\u5173\u914d\u7f6e\u95ee\u9898\uff0c\u5e76\u786e\u4fdd\u6bcf\u4e2a\u53bf\u57ce\u90fd\u80fd\u6b63\u786e\u5730\u63a5\u6536\u5e76\u54cd\u5e94\u76f8\u5e94\u7c7b\u578b\u5e95\u4fe1\u53f7\u4e8b\u4ef6\u3002<\/p>\n

7.I\/O\u591a\u8def\u590d\u7528<\/p>\n

I\/O\u591a\u8def\u590d\u7528\u6280\u672f\u662f\u4e00\u79cd\u9ad8\u7ea7I\/O\u7f16\u5199\u65b9\u5f0f\uff0c\u5728Linux C \u4e2d\u975e\u5e38\u5e38\u89c1\u5e76\u4e14\u91cd\u8981\u3002\u901a\u8fc7\u4f7f\u7528select\u3001poll\u3001epoll\u7b49\u673a\u5236\u6765\u76d1\u542c\u7f51\u7edc\u5957\u63a5\u5b57\u4e0a\u5e95\u4e8b\u4ef6\uff08\u5982\u53ef\u8bfb\u3001\u53ef\u5199\u3001\u9519\u8bef\uff09linux c \u591a\u7ebf\u7a0b<\/strong>\uff0c\u4ece\u800c\u5b9e\u73b0\u9ad8\u6548\u7387\u5730\u7f51\u7edc\u901a\u8baf\u3002<\/p>\n

8.\u591a\u6838CPU\u4e0b\u5e95\u6027\u80fd\u4f18\u5316<\/p>\n

\u968f\u7740\u8ba1\u7b97\u673a\u786c\u4ef6\u6280\u672f\u65e5\u76ca\u53d1\u5c55\uff0c\u5728\u670d\u52a1\u5668\u9886\u57df\u5f88\u5bb9\u6613\u9047\u5230\u5177\u6709\u591a\u6838\u5fc3CPU\u67b6\u6784\u5e95\u8ba1\u7b97\u673a\u786c\u4ef6\u8bbe\u5907\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5728\u8fdb\u884c\u591a\u7aef\u53e3\u5f00\u53d1\u65f6\u9700\u8981\u8003\u8651\u5982\u4f55\u5229\u7528\u5e95\u786c\u4ef6\u7279\u6027\u4ee5\u83b7\u5f97\u6700\u4f73\u6027\u80fd\u8868\u73b0\u3002<\/p>\n

\u4f8b\u5982\uff0c\u5728\u591a\u6838CPU\u67b6\u6784\u73af\u5883\u4e0b\u53ef\u4ee5\u91c7\u7528\u6d41\u6c34\u578b\u5e95\u7b97\u6cd5\u8bbe\u8ba1\u3001\u6570\u636e\u7ed3\u6784\u4f18\u5316\u7b49\u6280\u672f\u624b\u6bb5\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u6548\u7387\u548c\u7a33\u5b9a\u6027\u8868\u73b0\u3002<\/p>\n

9.\u591a\u53bf\u57ce\u7f51\u7edc\u7f16\u5199<\/p>\n

\u7f51\u7edc\u7f16\u5199\u662f\u76ee\u524d\u6700\u70ed\u95e8\u4e5f\u6700\u5177\u6311\u6218\u6027\u5e95\u8f6f\u4ef6\u5f00\u53d1\u9886\u57df\u4e4b\u4e00\u3002\u7531\u4e8e\u7f51\u7edc\u901a\u8baf\u6d89\u53ca\u5230\u5927\u91cf\u5f02\u6b65I\/O\u3001\u534f\u8bae\u89c4\u8303\u3001\u5b89\u5168\u8ba4\u8bc1<\/a>\u7b49\u7ec6\u8282\u95ee\u9898\uff0c\u5728\u8fdb\u884c\u7f51\u7edc\u5e94\u7528\u5f00\u53d1\u65f6\u5fc5\u987b\u8981\u6709\u624e\u5b9e\u5e95\u4e13\u4e1a\u77e5\u8bc6\u548c\u7ecf\u9a8c\u80cc\u666f\u3002<\/p>\n

10.\u591a\u53bf\u57ce\u8c03\u8bd5\u6280\u5de7<\/p>\n

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