{"id":51397,"date":"2024-12-03T09:05:18","date_gmt":"2024-12-03T01:05:18","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51397\/"},"modified":"2024-12-03T09:05:18","modified_gmt":"2024-12-03T01:05:18","slug":"%e6%8e%a2%e7%a9%b6linux%e8%bf%9b%e7%a8%8b%e7%9a%84%e5%90%af%e5%8a%a8%e8%bf%87%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51397\/","title":{"rendered":"\u63a2\u7a76Linux\u8fdb\u7a0b\u7684\u542f\u52a8\u8fc7\u7a0b"},"content":{"rendered":"

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

\u63a2\u7a76Linux\u8fdb\u7a0b\u7684\u542f\u52a8\u8fc7\u7a0b<\/h1>\n

\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u63a2\u7a76Linux\u8fdb\u7a0b\u7684\u542f\u52a8\u8fc7\u7a0b\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/p>\n

\u6df1\u5165\u4e86\u89e3Linux\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u5f0f<\/strong><\/p>\n

Linux\u64cd\u4f5c\u7cfb\u7edf\u662f\u4e00\u79cd\u5f00\u653e\u6e90\u4ee3\u7801\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5176\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u5f0f\u548c\u7ba1\u7406\u673a\u5236\u662f\u7cfb\u7edf\u8fd0\u884c\u7684\u57fa\u7840\u3002\u5728Linux\u4e2d\uff0c\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u5305\u62ec\u901a\u8fc7shell\u547d\u4ee4\u3001\u7cfb\u7edf\u8c03\u7528\u3001\u5b88\u62a4\u8fdb\u7a0b\u7b49\u65b9\u5f0f\u3002\u672c\u6587\u5c06\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u6df1\u5165\u4ecb\u7ecdLinux\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u5f0f\u3002<\/p>\n

1. \u901a\u8fc7shell\u547d\u4ee4\u542f\u52a8\u8fdb\u7a0b<\/strong><\/p>\n

\u5728Linux\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5728shell\u4e2d\u8f93\u5165\u547d\u4ee4\u6765\u542f\u52a8\u8fdb\u7a0b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u901a\u8fc7shell\u811a\u672c\u542f\u52a8\u4e00\u4e2a\u8fdb\u7a0b\uff1a<\/p>\n

#!\/bin\/sh\necho \"Starting process...\"\nsleep 5\necho \"Process completed.\"<\/pre>\n
\u4fdd\u5b58\u4e3astart_process.sh<\/code>\u6587\u4ef6\uff0c\u7136\u540e\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
chmod +x start_process.sh\n.\/start_process.sh<\/pre>\n
\u8fd0\u884c\u4ee5\u4e0a\u547d\u4ee4\u540e\uff0c\u5c06\u4f1a\u542f\u52a8\u4e00\u4e2a\u7b80\u5355\u7684\u8fdb\u7a0b\uff0c\u5e76\u57285\u79d2\u540e\u5b8c\u6210\u3002\u8fd9\u79cd\u65b9\u5f0f\u9002\u7528\u4e8e\u7b80\u5355\u7684\u8fdb\u7a0b\u542f\u52a8\u548c\u7ba1\u7406\uff0c\u4f46\u5bf9\u4e8e\u590d\u6742\u7684\u8fdb\u7a0b\u7ba1\u7406\u53ef\u80fd\u4e0d\u591f\u7075\u6d3b\u3002<\/p>\n
2. \u901a\u8fc7\u7cfb\u7edf\u8c03\u7528\u542f\u52a8\u8fdb\u7a0b<\/strong><\/p>\n
\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u8fdb\u7a0b\u7684\u521b\u5efa\u662f\u901a\u8fc7fork()<\/code>\u548cexec()<\/code>\u7cfb\u7edf\u8c03\u7528\u5b9e\u73b0\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u901a\u8fc7\u7cfb\u7edf\u8c03\u7528\u521b\u5efa\u548c\u542f\u52a8\u4e00\u4e2a\u65b0\u7684\u8fdb\u7a0b\uff1a<\/p>\n
#include <stdio.h>\n#include <unistd.h>\n\nint main() {\n    pid_t pid = fork();\n    if (pid == 0) {\n        \/\/ \u5b50\u8fdb\u7a0b\n        printf(\"Child process\n\");\n        execl(\"\/bin\/ls\", \"ls\", \"-l\", NULL);\n    } else {\n        \/\/ \u7236\u8fdb\u7a0b\n        printf(\"Parent process\n\");\n    }\n\n    return 0;\n}<\/pre>\n
\u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801\uff0c\u6211\u4eec\u5728\u5b50\u8fdb\u7a0b\u4e2d\u8c03\u7528execl<\/code>\u51fd\u6570\u542f\u52a8ls<\/code>\u547d\u4ee4\uff0c\u7236\u8fdb\u7a0b\u6253\u5370\u51fa\u76f8\u5e94\u7684\u4fe1\u606f\u3002\u901a\u8fc7\u7cfb\u7edf\u8c03\u7528\u521b\u5efa\u8fdb\u7a0b\u7684\u65b9\u5f0f\u66f4\u52a0\u7075\u6d3b\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u8fdb\u7a0b\u95f4\u901a\u4fe1\u548c\u7ba1\u7406\u3002<\/p>\n
3. \u521b\u5efa\u5b88\u62a4\u8fdb\u7a0b<\/strong><\/p>\n
\u5728Linux\u4e2d\uff0c\u5b88\u62a4\u8fdb\u7a0b\u662f\u5728\u540e\u53f0\u8fd0\u884c\u7684\u8fdb\u7a0b\uff0c\u901a\u5e38\u7528\u4e8e\u6267\u884c\u4e00\u4e9b\u7cfb\u7edf\u4efb\u52a1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5b88\u62a4\u8fdb\u7a0b\u793a\u4f8b\uff1a<\/p>\n
#include <stdio.h>\n#include <stdlib.h>\n#include <unistd.h>\n#include <sys\/types.h>\n#include <sys\/stat.h>\n\nint main() {\n    pid_t pid = fork();\n    if (pid < 0) {\n        exit(EXIT_FAILURE);\n    }\n    if (pid > 0) {\n        exit(EXIT_SUCCESS);\n    }\n\n    umask(0);\n    pid_t sid = setsid();\n    if (sid < 0) {\n        exit(EXIT_FAILURE);\n    }\n\n    if ((chdir(\"\/\")) < 0) {\n        exit(EXIT_FAILURE);\n    }\n\n    close(STDIN_FILENO);\n    close(STDOUT_FILENO);\n    close(STDERR_FILENO);\n\n    \/\/ \u5b88\u62a4\u8fdb\u7a0b\u5177\u4f53\u6267\u884c\u7684\u4efb\u52a1\u653e\u5728\u8fd9\u91cc\n\n    return 0;\n}<\/pre>\n
\u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5b88\u62a4\u8fdb\u7a0b\uff0c\u5c06\u5176\u653e\u7f6e\u5728\u540e\u53f0\u8fd0\u884c\uff0c\u5e76\u6267\u884c\u5177\u4f53\u7684\u4efb\u52a1\u3002\u5b88\u62a4\u8fdb\u7a0b\u7684\u521b\u5efa\u8fc7\u7a0b\u5305\u62ec\u83b7\u53d6\u65b0\u7684\u4f1a\u8bdd\u3001\u8bbe\u7f6e\u5de5\u4f5c\u76ee\u5f55\u3001\u5173\u95ed\u6807\u51c6\u8f93\u5165\u8f93\u51fa\u7b49\u6b65\u9aa4\u3002<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801\u793a\u4f8b\uff0c\u6211\u4eec\u6df1\u5165\u4e86\u89e3\u4e86Linux\u8fdb\u7a0b\u7684\u4e0d\u540c\u542f\u52a8\u65b9\u5f0f\uff0c\u5305\u62ec\u901a\u8fc7shell\u547d\u4ee4\u3001\u7cfb\u7edf\u8c03\u7528\u3001\u5b88\u62a4\u8fdb\u7a0b\u7b49\u65b9\u5f0f\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u5f0f\u542f\u52a8\u548c\u7ba1\u7406\u8fdb\u7a0b\uff0c\u4ece\u800c\u66f4\u597d\u5730\u5229\u7528Linux\u7cfb\u7edf\u7684\u529f\u80fd\u3002<\/p>\n
\u7ed3\u675f\u8bed<\/strong>
Linux\u64cd\u4f5c\u7cfb\u7edf\u4f5c\u4e3a\u4e00\u79cd\u5f00\u653e\u6e90\u4ee3\u7801\u7684\u7cfb\u7edf\uff0c\u5176\u8fdb\u7a0b\u7ba1\u7406\u673a\u5236\u4e3a\u7cfb\u7edf\u7684\u8fd0\u884c\u63d0\u4f9b\u4e86\u57fa\u7840\u652f\u6301\u3002\u901a\u8fc7\u672c\u6587\u6240\u4ecb\u7ecd\u7684\u4e0d\u540c\u8fdb\u7a0b\u542f\u52a8\u65b9\u5f0f\uff0c\u8bfb\u8005\u53ef\u4ee5\u66f4\u6df1\u5165\u5730\u4e86\u89e3Linux\u8fdb\u7a0b\u7684\u542f\u52a8\u548c\u7ba1\u7406\u65b9\u5f0f\uff0c\u4e3a\u7cfb\u7edf\u7684\u5e94\u7528\u548c\u4f18\u5316\u63d0\u4f9b\u53c2\u8003\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300a\u63a2\u7a76Linux\u8fdb\u7a0b\u7684\u542f\u52a8\u8fc7\u7a0b\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u6df1\u5165\u7406\u89e3,\u542f\u52a8\u65b9\u5f0f,Linux \u8fdb\u7a0b\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n
\n
<\/dt>\n
\n   \u5b66\u4e60Golang\uff1a\u4ece\u5165\u95e8\u5230\u7cbe\u901a\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7a76Linux\u8fdb\u7a0b\u7684\u542f\u52a8\u8fc7\u7a0b \u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u63a2\u7a76Linux\u8fdb\u7a0b\u7684\u542f\u52a8\u8fc7\u7a0b\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~ \u6df1\u5165\u4e86\u89e3Linux\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u5f0f Linux\u64cd\u4f5c\u7cfb\u7edf\u662f\u4e00\u79cd\u5f00\u653e\u6e90\u4ee3\u7801\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5176\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u5f0f\u548c\u7ba1\u7406\u673a\u5236\u662f\u7cfb\u7edf\u8fd0\u884c\u7684\u57fa\u7840\u3002\u5728Linux\u4e2d\uff0c\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u5305\u62ec\u901a\u8fc7shell\u547d\u4ee4\u3001\u7cfb\u7edf\u8c03\u7528\u3001\u5b88\u62a4\u8fdb\u7a0b\u7b49\u65b9\u5f0f\u3002\u672c\u6587\u5c06\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u6df1\u5165\u4ecb\u7ecdLinux\u8fdb\u7a0b\u7684\u542f\u52a8\u65b9\u5f0f\u3002 1. \u901a\u8fc7shell\u547d\u4ee4\u542f\u52a8\u8fdb\u7a0b \u5728Linux\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5728shell\u4e2d\u8f93\u5165\u547d\u4ee4\u6765\u542f\u52a8\u8fdb\u7a0b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u901a\u8fc7shell\u811a\u672c\u542f\u52a8\u4e00\u4e2a\u8fdb\u7a0b\uff1a #!\/bin\/sh echo “Starting process…” sleep 5 echo “Process completed.” \u4fdd\u5b58\u4e3astart_process.sh\u6587\u4ef6\uff0c\u7136\u540e\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a chmod +x start_process.sh .\/start_process.sh \u8fd0\u884c\u4ee5\u4e0a\u547d\u4ee4\u540e\uff0c\u5c06\u4f1a\u542f\u52a8\u4e00\u4e2a\u7b80\u5355\u7684\u8fdb\u7a0b\uff0c\u5e76\u57285\u79d2\u540e\u5b8c\u6210\u3002\u8fd9\u79cd\u65b9\u5f0f\u9002\u7528\u4e8e\u7b80\u5355\u7684\u8fdb\u7a0b\u542f\u52a8\u548c\u7ba1\u7406\uff0c\u4f46\u5bf9\u4e8e\u590d\u6742\u7684\u8fdb\u7a0b\u7ba1\u7406\u53ef\u80fd\u4e0d\u591f\u7075\u6d3b\u3002 2. \u901a\u8fc7\u7cfb\u7edf\u8c03\u7528\u542f\u52a8\u8fdb\u7a0b \u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u8fdb\u7a0b\u7684\u521b\u5efa\u662f\u901a\u8fc7fork()\u548cexec()\u7cfb\u7edf\u8c03\u7528\u5b9e\u73b0\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u901a\u8fc7\u7cfb\u7edf\u8c03\u7528\u521b\u5efa\u548c\u542f\u52a8\u4e00\u4e2a\u65b0\u7684\u8fdb\u7a0b\uff1a #include <stdio.h> #include <unistd.h> int main() { pid_t pid = fork(); if (pid == 0) { \/\/ \u5b50\u8fdb\u7a0b printf(“Child process “); execl(“\/bin\/ls”, “ls”, “-l”, NULL); } else { \/\/ \u7236\u8fdb\u7a0b […]<\/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-51397","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51397","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=51397"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51397\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51397"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51397"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51397"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}