{"id":12198,"date":"2024-03-01T11:33:17","date_gmt":"2024-03-01T03:33:17","guid":{"rendered":"http:\/\/xinyiworld.top\/wordpress_it\/?p=12198"},"modified":"2024-03-01T11:35:10","modified_gmt":"2024-03-01T03:35:10","slug":"%e7%bd%91%e7%bb%9c%e5%b7%a5%e5%85%b7%e7%b1%bb","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=12198","title":{"rendered":"\u7f51\u7edc\u5de5\u5177\u7c7b"},"content":{"rendered":"<ul>\n<li>\u5224\u65ad\u6307\u5b9aIP\u80fd\u5426ping\u901a<br \/>\n<a href=\"https:\/\/blog.csdn.net\/hinewcc\/article\/details\/135724600\">https:\/\/blog.csdn.net\/hinewcc\/article\/details\/135724600<\/a><\/li>\n<\/ul>\n<pre><code class=\"language-c\">#include &lt;errno.h&gt;\n#include &lt;stdio.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;sys\/wait.h&gt;\n#include &lt;string.h&gt;\n\n\/*\n*****************************************************************************************\n*   \u51fd \u6570 \u540d: run_ping\n*   \u529f\u80fd\u8bf4\u660e: \u8fd0\u884cping\u547d\u4ee4\uff0c\u5e76\u5224\u65ad\u662f\u5426\u6210\u529f\n*   \u5f62    \u53c2\uff1a\u65e0\n*   \u8fd4 \u56de \u503c: 0\uff1aping\u6210\u529f\n*            -1\uff1a\u5931\u8d25\n*****************************************************************************************\n*\/\nint run_ping(char *_pIpAddr) {\n    int cnt = 0;\n    int result = 0;\n    pid_t pid;\n\n    if ((pid = vfork()) &lt; 0) {\n        printf(&quot;%s: vfork error: %s\\n&quot;, __FUNCTION__, strerror(errno));\n        return -1;\n    } else if (pid == 0) {          \/\/\u5b50\u8fdb\u7a0b\n        if (execlp(&quot;ping&quot;, &quot;ping&quot;,&quot;-c&quot;,&quot;1&quot;, _pIpAddr, (char*)0) &lt; 0) {\n            printf(&quot;%s: execlp error: %s\\n&quot;, __FUNCTION__, strerror(errno));\n            return -1;\n        }\n    }\n\n    waitpid(pid, &amp;result, 0);\n    if (WIFEXITED(result)) {\n        if (WEXITSTATUS(result) != 0) {\n            printf(&quot;%s: execute command: %s failed(%d)\\n&quot;, __FUNCTION__, &quot;ping&quot;, WEXITSTATUS(result));\n            result = -1;\n        } else {\n            result = 0;\n        }\n    } else {\n        result = 0;\n    }\n\n    if (result) {\n        printf(&quot;ping %s error!\\n&quot;, _pIpAddr);\n        return -1;\n    } else {\n        printf(&quot;ping %s ok!\\n&quot;, _pIpAddr);\n        return 0;\n    }\n}\n\n#define TEST_IP &quot;183.2.172.185&quot;\n#define ERROR_IP &quot;192.168.100.100&quot;\nint main(void){\n    run_ping(TEST_IP);\n    run_ping(ERROR_IP);\n}\n<\/code><\/pre>\n<button class=\"simplefavorite-button\" data-postid=\"12198\" data-siteid=\"1\" data-groupid=\"1\" data-favoritecount=\"0\" style=\"\">\u6536\u85cf <i class=\"sf-icon-star-empty\"><\/i><\/button>","protected":false},"excerpt":{"rendered":"<p>\u5224\u65ad\u6307\u5b9aIP\u80fd\u5426ping\u901a https:\/\/blog.csdn.net\/hinewcc\/articl [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[873],"tags":[],"_links":{"self":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/12198"}],"collection":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12198"}],"version-history":[{"count":2,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/12198\/revisions"}],"predecessor-version":[{"id":12200,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/12198\/revisions\/12200"}],"wp:attachment":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12198"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12198"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}