{"id":51679,"date":"2024-12-03T16:41:16","date_gmt":"2024-12-03T08:41:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51679\/"},"modified":"2024-12-03T16:41:16","modified_gmt":"2024-12-03T08:41:16","slug":"%e6%8e%a2%e7%b4%a2linux%e5%86%85%e6%a0%b8%e7%9a%84%e6%a0%b8%e5%bf%83%e5%8a%9f%e8%83%bd%e5%92%8c%e6%9e%84%e6%88%90","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51679\/","title":{"rendered":"\u63a2\u7d22Linux\u5185\u6838\u7684\u6838\u5fc3\u529f\u80fd\u548c\u6784\u6210"},"content":{"rendered":"

<\/b> <\/p>\n

\u63a2\u7d22Linux\u5185\u6838\u7684\u6838\u5fc3\u529f\u80fd\u548c\u6784\u6210<\/h1>\n

Linux\u5185\u6838\u4f5c\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u7684\u5fc3\u810f\uff0c\u7ba1\u7406\u8ba1\u7b97\u673a\u786c\u4ef6\u8d44\u6e90\uff0c\u63d0\u4f9b\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3\u5e76\u534f\u8c03\u5e94\u7528\u7a0b\u5e8f\u8fd0\u884c\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8Linux\u5185\u6838\u7684\u6838\u5fc3\u529f\u80fd\u548c\u7ec4\u6210\u90e8\u5206\uff0c\u91cd\u70b9\u4ecb\u7ecd\u8fdb\u7a0b\u7ba1\u7406\u3001\u5185\u5b58\u7ba1\u7406\u548c\u6587\u4ef6\u7cfb\u7edf\u3002\u901a\u8fc7\u793a\u4f8b\u4ee3\u7801\u548c\u8be6\u7ec6\u89e3\u91ca\uff0c\u8bfb\u8005\u5c06\u83b7\u5f97\u5bf9Linux\u5185\u6838\u5185\u90e8\u673a\u5236\u7684\u6e05\u6670\u7406\u89e3\uff0c\u4e3a\u8fdb\u4e00\u6b65\u63a2\u7d22\u64cd\u4f5c\u7cfb\u7edf\u539f\u7406\u548c\u5185\u6838\u5f00\u53d1\u5960\u5b9a\u57fa\u7840\u3002<\/p>\n

\u3010\u4e86\u89e3Linux\u5185\u6838\uff1a\u529f\u80fd\u6784\u6210\u7684\u6838\u5fc3\u8981\u70b9\u3011<\/p>\n

Linux\u5185\u6838\u4f5c\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u7684\u6838\u5fc3\uff0c\u8d1f\u8d23\u7ba1\u7406\u8ba1\u7b97\u673a\u7684\u786c\u4ef6\u8d44\u6e90\u3001\u63d0\u4f9b\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3\uff0c\u5e76\u534f\u8c03\u5e94\u7528\u7a0b\u5e8f\u7684\u8fd0\u884c\u3002\u4e86\u89e3Linux\u5185\u6838\u7684\u529f\u80fd\u6784\u6210\u662f\u6df1\u5165\u63a2\u7d22\u64cd\u4f5c\u7cfb\u7edf\u539f\u7406\u548c\u5185\u6838\u5f00\u53d1\u7684\u91cd\u8981\u4e00\u6b65\u3002\u4ee5\u4e0b\u5c06\u4ecb\u7ecdLinux\u5185\u6838\u7684\u6838\u5fc3\u8981\u70b9\uff0c\u91cd\u70b9\u805a\u7126\u5185\u6838\u7684\u7ec4\u6210\u90e8\u5206\u4ee5\u53ca\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3Linux\u5185\u6838\u7684\u5185\u90e8\u673a\u5236\u3002<\/p>\n

    \n
  1. \u8fdb\u7a0b\u7ba1\u7406\uff08Process Management\uff09<\/li>\n<\/ol>\n

    \u8fdb\u7a0b\u662f\u8ba1\u7b97\u673a\u4e2d\u6b63\u5728\u8fd0\u884c\u7684\u7a0b\u5e8f\u7684\u8868\u793a\uff0cLinux\u5185\u6838\u8d1f\u8d23\u7ba1\u7406\u8fdb\u7a0b\u7684\u521b\u5efa\u3001\u8c03\u5ea6\u548c\u9500\u6bc1\u3002\u5728Linux\u5185\u6838\u4e2d\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u7531\u4e00\u4e2atask_struct\u7ed3\u6784\u4f53\u8868\u793a\uff0c\u8be5\u7ed3\u6784\u4f53\u4e2d\u4fdd\u5b58\u4e86\u8fdb\u7a0b\u7684\u72b6\u6001\u3001\u4f18\u5148\u7ea7\u3001\u6267\u884c\u65f6\u95f4\u7b49\u76f8\u5173\u4fe1\u606f\u3002<\/p>\n

    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u521b\u5efa\u8fdb\u7a0b\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

    #include <unistd.h>\n#include <stdio.h>\n\nint main() {\n    pid_t pid;\n\n    pid = fork();\n    if (pid < 0) {\n        fprintf(stderr, \"Failed to fork\n\");\n        return 1;\n    } else if (pid == 0) {\n        printf(\"Child process PID: %d\n\", getpid());\n    } else {\n        printf(\"Parent process PID: %d\n\", getpid());\n    }\n\n    return 0;\n}<\/pre>\n
      \n
    1. \u5185\u5b58\u7ba1\u7406\uff08Memory Management\uff09<\/li>\n<\/ol>\n
      Linux\u5185\u6838\u901a\u8fc7\u5185\u5b58\u7ba1\u7406\u5355\u5143\uff08MMU\uff09\u5c06\u7269\u7406\u5185\u5b58\u6620\u5c04\u5230\u8fdb\u7a0b\u7684\u865a\u62df\u5730\u5740\u7a7a\u95f4\uff0c\u5b9e\u73b0\u865a\u62df\u5185\u5b58\u7ba1\u7406\u3002\u5185\u5b58\u7ba1\u7406\u5305\u62ec\u5185\u5b58\u5206\u914d\u3001\u91ca\u653e\u548c\u9875\u8868\u7ba1\u7406\u7b49\u529f\u80fd\uff0c\u786e\u4fdd\u8fdb\u7a0b\u53ef\u4ee5\u6b63\u5e38\u8bbf\u95ee\u5185\u5b58\u5e76\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n
      \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5185\u5b58\u5206\u914d\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
      #include <stdlib.h>\n#include <stdio.h>\n\nint main() {\n    int *ptr = (int *)malloc(sizeof(int));\n    if (ptr == NULL) {\n        fprintf(stderr, \"Failed to allocate memory\n\");\n        return 1;\n    }\n\n    *ptr = 10;\n    printf(\"Value at the allocated memory: %d\n\", *ptr);\n\n    free(ptr);\n\n    return 0;\n}<\/pre>\n
        \n
      1. \u6587\u4ef6\u7cfb\u7edf\uff08File System\uff09<\/li>\n<\/ol>\n
        Linux\u5185\u6838\u652f\u6301\u5404\u79cd\u6587\u4ef6\u7cfb\u7edf\uff0c\u5305\u62ec\u5e38\u89c1\u7684ext4\u3001NTFS\u7b49\u3002\u6587\u4ef6\u7cfb\u7edf\u6a21\u5757\u8d1f\u8d23\u6587\u4ef6\u7684\u8bfb\u5199\u3001\u521b\u5efa\u548c\u5220\u9664\u64cd\u4f5c\uff0c\u786e\u4fdd\u6570\u636e\u5728\u78c1\u76d8\u4e0a\u5f97\u5230\u6b63\u786e\u7684\u5b58\u50a8\u548c\u8bbf\u95ee\u3002<\/p>\n
        \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u6587\u4ef6\u8bfb\u5199\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
        #include <stdio.h>\n\nint main() {\n    FILE *file = fopen(\"example.txt\", \"w\");\n    if (file == NULL) {\n        fprintf(stderr, \"Failed to open file\n\");\n        return 1;\n    }\n\n    fprintf(file, \"Hello, World!\n\");\n    fclose(file);\n\n    return 0;\n}<\/pre>\n
        \u901a\u8fc7\u4ee5\u4e0a\u793a\u4f8b\u4ee3\u7801\uff0c\u8bfb\u8005\u53ef\u4ee5\u66f4\u52a0\u76f4\u89c2\u5730\u4e86\u89e3Linux\u5185\u6838\u4e2d\u8fdb\u7a0b\u7ba1\u7406\u3001\u5185\u5b58\u7ba1\u7406\u548c\u6587\u4ef6\u7cfb\u7edf\u7b49\u6838\u5fc3\u529f\u80fd\u7684\u5b9e\u73b0\u65b9\u5f0f\u3002\u6df1\u5165\u5b66\u4e60Linux\u5185\u6838\u7684\u529f\u80fd\u6784\u6210\u548c\u5b9e\u73b0\u539f\u7406\uff0c\u6709\u52a9\u4e8e\u7406\u89e3\u64cd\u4f5c\u7cfb\u7edf\u7684\u8fd0\u884c\u673a\u5236\uff0c\u4e3a\u5185\u6838\u5f00\u53d1\u548c\u7cfb\u7edf\u4f18\u5316\u63d0\u4f9b\u6709\u529b\u652f\u6301\u3002\u613f\u672c\u6587\u5bf9\u8bfb\u8005\u5728\u5b66\u4e60Linux\u5185\u6838\u65b9\u9762\u6709\u6240\u542f\u53d1\u548c\u5e2e\u52a9\u3002<\/p>\n
        \u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u63a2\u7d22Linux\u5185\u6838\u7684\u6838\u5fc3\u529f\u80fd\u548c\u6784\u6210\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u7c73\u4e91\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n
        \n
        <\/dt>\n
        \n   \u6211\u662f\u5426\u5e94\u8be5\u5728Go\u4e2d\u5c06context.Context\u4f20\u9012\u5230\u5e95\u5c42\u6570\u636e\u5e93\u65b9\u6cd5\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
        \u63a2\u7d22Linux\u5185\u6838\u7684\u6838\u5fc3\u529f\u80fd\u548c\u6784\u6210 Linux\u5185\u6838\u4f5c\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u7684\u5fc3\u810f\uff0c\u7ba1\u7406\u8ba1\u7b97\u673a\u786c\u4ef6\u8d44\u6e90\uff0c\u63d0\u4f9b\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3\u5e76\u534f\u8c03\u5e94\u7528\u7a0b\u5e8f\u8fd0\u884c\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8Linux\u5185\u6838\u7684\u6838\u5fc3\u529f\u80fd\u548c\u7ec4\u6210\u90e8\u5206\uff0c\u91cd\u70b9\u4ecb\u7ecd\u8fdb\u7a0b\u7ba1\u7406\u3001\u5185\u5b58\u7ba1\u7406\u548c\u6587\u4ef6\u7cfb\u7edf\u3002\u901a\u8fc7\u793a\u4f8b\u4ee3\u7801\u548c\u8be6\u7ec6\u89e3\u91ca\uff0c\u8bfb\u8005\u5c06\u83b7\u5f97\u5bf9Linux\u5185\u6838\u5185\u90e8\u673a\u5236\u7684\u6e05\u6670\u7406\u89e3\uff0c\u4e3a\u8fdb\u4e00\u6b65\u63a2\u7d22\u64cd\u4f5c\u7cfb\u7edf\u539f\u7406\u548c\u5185\u6838\u5f00\u53d1\u5960\u5b9a\u57fa\u7840\u3002 \u3010\u4e86\u89e3Linux\u5185\u6838\uff1a\u529f\u80fd\u6784\u6210\u7684\u6838\u5fc3\u8981\u70b9\u3011 Linux\u5185\u6838\u4f5c\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u7684\u6838\u5fc3\uff0c\u8d1f\u8d23\u7ba1\u7406\u8ba1\u7b97\u673a\u7684\u786c\u4ef6\u8d44\u6e90\u3001\u63d0\u4f9b\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3\uff0c\u5e76\u534f\u8c03\u5e94\u7528\u7a0b\u5e8f\u7684\u8fd0\u884c\u3002\u4e86\u89e3Linux\u5185\u6838\u7684\u529f\u80fd\u6784\u6210\u662f\u6df1\u5165\u63a2\u7d22\u64cd\u4f5c\u7cfb\u7edf\u539f\u7406\u548c\u5185\u6838\u5f00\u53d1\u7684\u91cd\u8981\u4e00\u6b65\u3002\u4ee5\u4e0b\u5c06\u4ecb\u7ecdLinux\u5185\u6838\u7684\u6838\u5fc3\u8981\u70b9\uff0c\u91cd\u70b9\u805a\u7126\u5185\u6838\u7684\u7ec4\u6210\u90e8\u5206\u4ee5\u53ca\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3Linux\u5185\u6838\u7684\u5185\u90e8\u673a\u5236\u3002 \u8fdb\u7a0b\u7ba1\u7406\uff08Process Management\uff09 \u8fdb\u7a0b\u662f\u8ba1\u7b97\u673a\u4e2d\u6b63\u5728\u8fd0\u884c\u7684\u7a0b\u5e8f\u7684\u8868\u793a\uff0cLinux\u5185\u6838\u8d1f\u8d23\u7ba1\u7406\u8fdb\u7a0b\u7684\u521b\u5efa\u3001\u8c03\u5ea6\u548c\u9500\u6bc1\u3002\u5728Linux\u5185\u6838\u4e2d\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u7531\u4e00\u4e2atask_struct\u7ed3\u6784\u4f53\u8868\u793a\uff0c\u8be5\u7ed3\u6784\u4f53\u4e2d\u4fdd\u5b58\u4e86\u8fdb\u7a0b\u7684\u72b6\u6001\u3001\u4f18\u5148\u7ea7\u3001\u6267\u884c\u65f6\u95f4\u7b49\u76f8\u5173\u4fe1\u606f\u3002 \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u521b\u5efa\u8fdb\u7a0b\u7684\u793a\u4f8b\u4ee3\u7801\uff1a #include <unistd.h> #include <stdio.h> int main() { pid_t pid; pid = fork(); if (pid < 0) { fprintf(stderr, “Failed to fork “); return 1; } else if (pid == 0) { printf(“Child process PID: %d “, getpid()); } else { printf(“Parent process PID: %d “, getpid()); } […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-51679","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51679","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=51679"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51679\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}