{"id":17806,"date":"2024-11-18T12:10:11","date_gmt":"2024-11-18T04:10:11","guid":{"rendered":"https:\/\/fwq.ai\/blog\/17806\/"},"modified":"2024-11-18T12:10:11","modified_gmt":"2024-11-18T04:10:11","slug":"linux%e5%86%85%e6%a0%b8%e5%8a%9f%e8%83%bd%e8%af%a6%e8%a7%a3%ef%bc%9a%e4%ba%94%e5%a4%a7%e9%83%a8%e5%88%86%e7%9a%84%e5%85%a8%e9%9d%a2%e8%a7%a3%e8%af%bb","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/17806\/","title":{"rendered":"Linux\u5185\u6838\u529f\u80fd\u8be6\u89e3\uff1a\u4e94\u5927\u90e8\u5206\u7684\u5168\u9762\u89e3\u8bfb"},"content":{"rendered":"

\"Linux\u5185\u6838\u529f\u80fd\u8be6\u89e3\uff1a\u4e94\u5927\u90e8\u5206\u7684\u5168\u9762\u89e3\u8bfb\u63d2\u56fe\"<\/p>\n

Linux\u5185\u6838\u529f\u80fd\u8be6\u89e3\uff1a\u4e94\u5927\u90e8\u5206\u7684\u5168\u9762\u89e3\u8bfb<\/p>\n

Linux\u5185\u6838\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\uff0c\u8d1f\u8d23\u7ba1\u7406\u8ba1\u7b97\u673a\u7684\u786c\u4ef6\u8d44\u6e90\uff0c\u5e76\u63d0\u4f9b\u8fdb\u7a0b\u7ba1\u7406\u3001\u6587\u4ef6\u7cfb\u7edf\u548c\u8bbe\u5907\u9a71\u52a8\u7b49\u529f\u80fd\u3002Linux\u5185\u6838\u7531\u8bb8\u591a\u4e0d\u540c\u7684\u90e8\u5206\u7ec4\u6210\uff0c\u6bcf\u4e2a\u90e8\u5206\u62e5\u6709\u7279\u5b9a\u7684\u529f\u80fd\u548c\u8d23\u4efb\u3002\u672c\u6587\u5c06\u5bf9Linux\u5185\u6838\u7684\u4e94\u5927\u90e8\u5206\u8fdb\u884c\u5168\u9762\u89e3\u8bfb\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u3002<\/p>\n

1. \u8fdb\u7a0b\u7ba1\u7406<\/h3>\n

\u8fdb\u7a0b\u7ba1\u7406\u662fLinux\u5185\u6838\u7684\u6838\u5fc3\u529f\u80fd\u4e4b\u4e00\uff0c\u8d1f\u8d23\u7ba1\u7406\u7cfb\u7edf\u4e2d\u8fd0\u884c\u7684\u6240\u6709\u8fdb\u7a0b\u3002Linux\u5185\u6838\u4f7f\u7528\u8fdb\u7a0b\u63cf\u8ff0\u7b26\uff08task_struct\uff09\u6765\u8868\u793a\u6bcf\u4e2a\u8fdb\u7a0b\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u8fdb\u7a0b\u7684\u72b6\u6001\u3001\u6807\u8bc6\u7b26\u3001\u4f18\u5148\u7ea7\u3001\u8c03\u5ea6\u4fe1\u606f\u7b49\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u521b\u5efa\u8fdb\u7a0b\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

#include <stdio.h>\n#include <unistd.h>\n\nint main() {\n    pid_t pid;\n\n    pid = fork();\n\n    if (pid == 0) {\n        printf(\"\u8fd9\u662f\u5b50\u8fdb\u7a0b\n\");\n    } else if (pid &gt; 0) {\n        printf(\"\u8fd9\u662f\u7236\u8fdb\u7a0b\n\");\n    } else {\n        perror(\"\u8fdb\u7a0b\u521b\u5efa\u5931\u8d25\");\n    }\n\n    return 0;\n}<\/unistd.h><\/stdio.h><\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
2. \u5185\u5b58\u7ba1\u7406<\/h3>\n
\u5185\u5b58\u7ba1\u7406\u662fLinux\u5185\u6838\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u90e8\u5206\uff0c\u8d1f\u8d23\u7ba1\u7406\u7cfb\u7edf\u7684\u5185\u5b58\u8d44\u6e90\u3002Linux\u5185\u6838\u4f7f\u7528\u9875\u8868\u6765\u6620\u5c04\u865a\u62df\u5185\u5b58\u5230\u7269\u7406\u5185\u5b58\uff0c\u4ee5\u53ca\u8fdb\u884c\u5185\u5b58\u5206\u914d\u548c\u91ca\u653e\u64cd\u4f5c\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u52a8\u6001\u5185\u5b58\u5206\u914d\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
#include <stdio.h>\n#include <stdlib.h>\n\nint main() {\n    int *ptr;\n\n    ptr = (int *)malloc(sizeof(int));\n\n    if (ptr == NULL) {\n        perror(\"\u5185\u5b58\u5206\u914d\u5931\u8d25\");\n        return 1;\n    }\n\n    *ptr = 10;\n    printf(\"\u5206\u914d\u7684\u5185\u5b58\u4e2d\u7684\u503c\u4e3a\uff1a%d\n\", *ptr);\n\n    free(ptr);\n\n    return 0;\n}<\/stdlib.h><\/stdio.h><\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
3. \u6587\u4ef6\u7cfb\u7edf<\/h3>\n
\u6587\u4ef6\u7cfb\u7edf\u7ba1\u7406\u662fLinux\u5185\u6838\u7684\u53e6\u4e00\u4e2a\u5173\u952e\u90e8\u5206\uff0c\u8d1f\u8d23\u7ba1\u7406\u6587\u4ef6\u548c\u76ee\u5f55\uff0c\u5e76\u63d0\u4f9b\u5bf9\u5b83\u4eec\u7684\u8bbf\u95ee\u548c\u64cd\u4f5c\u3002Linux\u5185\u6838\u652f\u6301\u591a\u79cd\u6587\u4ef6\u7cfb\u7edf\u7c7b\u578b\uff0c\u5305\u62ecext4\u3001NTFS\u3001FAT\u7b49\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u6587\u4ef6\u8bfb\u5199\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
#include <stdio.h>\n#include <fcntl.h>\n\nint main() {\n    int fd;\n    char buf[20] = \"Hello, Linux!\";\n\n    fd = open(\"test.txt\", O_CREAT | O_RDWR, 0644);\n    if (fd <h3>4. \u8bbe\u5907\u9a71\u52a8<\/h3>\n<p>\u8bbe\u5907\u9a71\u52a8\u662fLinux\u5185\u6838\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u8d1f\u8d23\u7ba1\u7406\u7cfb\u7edf\u4e2d\u7684\u786c\u4ef6\u8bbe\u5907\u3002Linux\u5185\u6838\u901a\u8fc7\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u4e0e\u786c\u4ef6\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1\uff0c\u5e76\u63d0\u4f9b\u5bf9\u8bbe\u5907\u7684\u8bbf\u95ee\u548c\u63a7\u5236\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5b57\u7b26\u8bbe\u5907\u9a71\u52a8\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre class=\"brush:c;toolbar:false;\">#include <linux>\n#include <linux>\n#include <linux>\n\nstatic int __init mymodule_init(void) {\n    printk(\"\u521d\u59cb\u5316\u8bbe\u5907\u9a71\u52a8\n\");\n    return 0;\n}\n\nstatic void __exit mymodule_exit(void) {\n    printk(\"\u5378\u8f7d\u8bbe\u5907\u9a71\u52a8\n\");\n}\n\nmodule_init(mymodule_init);\nmodule_exit(mymodule_exit);\n\nMODULE_LICENSE(\"GPL\");<\/linux><\/linux><\/linux><\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
5. \u7f51\u7edc\u5b50\u7cfb\u7edf<\/h3>\n
\u7f51\u7edc\u5b50\u7cfb\u7edf\u662fLinux\u5185\u6838\u7684\u4e00\u4e2a\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u8d1f\u8d23\u7ba1\u7406\u7f51\u7edc\u901a\u4fe1\u548c\u6570\u636e\u4f20\u8f93\u3002Linux\u5185\u6838\u63d0\u4f9b\u4e86\u7f51\u7edc\u534f\u8bae\u6808\u548c\u5957\u63a5\u5b57\u63a5\u53e3\u7b49\u529f\u80fd\uff0c\u7528\u4e8e\u652f\u6301\u5404\u79cd\u7f51\u7edc\u901a\u4fe1\u534f\u8bae\u548c\u5e94\u7528\u7a0b\u5e8f\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7f51\u7edc\u901a\u4fe1\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
#include <stdio.h>\n#include <sys>\n#include <netinet>\n#include <arpa>\n\nint main() {\n    int sockfd;\n    struct sockaddr_in server_addr;\n\n    sockfd = socket(AF_INET, SOCK_STREAM, 0);\n    if (sockfd <p>\u603b\u7ed3\uff1a<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fLinux\u5185\u6838\u7684\u4e94\u5927\u90e8\u5206\u7684\u8be6\u7ec6\u89e3\u8bfb\uff0c\u5305\u62ec\u8fdb\u7a0b\u7ba1\u7406\u3001\u5185\u5b58\u7ba1\u7406\u3001\u6587\u4ef6\u7cfb\u7edf\u3001\u8bbe\u5907\u9a71\u52a8\u548c\u7f51\u7edc\u5b50\u7cfb\u7edf\u3002\u6bcf\u4e2a\u90e8\u5206\u90fd\u626e\u6f14\u7740\u91cd\u8981\u7684\u89d2\u8272\uff0c\u5171\u540c\u6784\u6210\u4e86\u4e00\u4e2a\u5b8c\u6574\u7684\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u3002\u901a\u8fc7\u6df1\u5165\u7406\u89e3\u8fd9\u4e9b\u90e8\u5206\u7684\u5de5\u4f5c\u539f\u7406\u548c\u4ee3\u7801\u793a\u4f8b\uff0c\u8bfb\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3Linux\u5185\u6838\u7684\u5185\u90e8\u7ed3\u6784\u548c\u8fd0\u884c\u673a\u5236\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\uff01<\/p><\/arpa><\/netinet><\/sys><\/stdio.h><\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4ee5\u4e0a\u5c31\u662fLinux\u5185\u6838\u529f\u80fd\u8be6\u89e3\uff1a\u4e94\u5927\u90e8\u5206\u7684\u5168\u9762\u89e3\u8bfb\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
Linux\u5185\u6838\u529f\u80fd\u8be6\u89e3\uff1a\u4e94\u5927\u90e8\u5206\u7684\u5168\u9762\u89e3\u8bfb Linux\u5185\u6838\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\uff0c\u8d1f\u8d23\u7ba1\u7406\u8ba1\u7b97\u673a\u7684\u786c\u4ef6\u8d44\u6e90\uff0c\u5e76\u63d0\u4f9b\u8fdb\u7a0b\u7ba1\u7406\u3001\u6587\u4ef6\u7cfb\u7edf\u548c\u8bbe\u5907\u9a71\u52a8\u7b49\u529f\u80fd\u3002Linux\u5185\u6838\u7531\u8bb8\u591a\u4e0d\u540c\u7684\u90e8\u5206\u7ec4\u6210\uff0c\u6bcf\u4e2a\u90e8\u5206\u62e5\u6709\u7279\u5b9a\u7684\u529f\u80fd\u548c\u8d23\u4efb\u3002\u672c\u6587\u5c06\u5bf9Linux\u5185\u6838\u7684\u4e94\u5927\u90e8\u5206\u8fdb\u884c\u5168\u9762\u89e3\u8bfb\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u3002 1. \u8fdb\u7a0b\u7ba1\u7406 \u8fdb\u7a0b\u7ba1\u7406\u662fLinux\u5185\u6838\u7684\u6838\u5fc3\u529f\u80fd\u4e4b\u4e00\uff0c\u8d1f\u8d23\u7ba1\u7406\u7cfb\u7edf\u4e2d\u8fd0\u884c\u7684\u6240\u6709\u8fdb\u7a0b\u3002Linux\u5185\u6838\u4f7f\u7528\u8fdb\u7a0b\u63cf\u8ff0\u7b26\uff08task_struct\uff09\u6765\u8868\u793a\u6bcf\u4e2a\u8fdb\u7a0b\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u8fdb\u7a0b\u7684\u72b6\u6001\u3001\u6807\u8bc6\u7b26\u3001\u4f18\u5148\u7ea7\u3001\u8c03\u5ea6\u4fe1\u606f\u7b49\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u521b\u5efa\u8fdb\u7a0b\u7684\u793a\u4f8b\u4ee3\u7801\uff1a #include <stdio.h> #include <unistd.h> int main() { pid_t pid; pid = fork(); if (pid == 0) { printf(“\u8fd9\u662f\u5b50\u8fdb\u7a0b “); } else if (pid &gt; 0) { printf(“\u8fd9\u662f\u7236\u8fdb\u7a0b “); } else { perror(“\u8fdb\u7a0b\u521b\u5efa\u5931\u8d25”); } return 0; }<\/unistd.h><\/stdio.h> \u767b\u5f55\u540e\u590d\u5236 2. \u5185\u5b58\u7ba1\u7406 \u5185\u5b58\u7ba1\u7406\u662fLinux\u5185\u6838\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u90e8\u5206\uff0c\u8d1f\u8d23\u7ba1\u7406\u7cfb\u7edf\u7684\u5185\u5b58\u8d44\u6e90\u3002Linux\u5185\u6838\u4f7f\u7528\u9875\u8868\u6765\u6620\u5c04\u865a\u62df\u5185\u5b58\u5230\u7269\u7406\u5185\u5b58\uff0c\u4ee5\u53ca\u8fdb\u884c\u5185\u5b58\u5206\u914d\u548c\u91ca\u653e\u64cd\u4f5c\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u52a8\u6001\u5185\u5b58\u5206\u914d\u793a\u4f8b\u4ee3\u7801\uff1a #include <stdio.h> #include <stdlib.h> int main() { int *ptr; ptr […]<\/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-17806","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17806","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=17806"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17806\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=17806"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=17806"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=17806"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}