{"id":13348,"date":"2024-05-11T18:31:12","date_gmt":"2024-05-11T10:31:12","guid":{"rendered":"http:\/\/xinyiworld.top\/wordpress_it\/?p=13348"},"modified":"2024-05-13T09:21:25","modified_gmt":"2024-05-13T01:21:25","slug":"prctl","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=13348","title":{"rendered":"prctl"},"content":{"rendered":"<p><a href=\"https:\/\/bbs.huaweicloud.com\/blogs\/378148\">https:\/\/bbs.huaweicloud.com\/blogs\/378148<\/a><\/p>\n<h2>\u4fee\u6539\u8fdb\u7a0b\u540d\u79f0<\/h2>\n<p><a href=\"https:\/\/www.bilibili.com\/read\/cv23000681\/\">https:\/\/www.bilibili.com\/read\/cv23000681\/<\/a><\/p>\n<pre><code class=\"language-cpp\">#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;sys\/prctl.h&gt;\n\nint main(int argc, char *argv[]) {\n    \/\/ \u83b7\u53d6\u5f53\u524d\u8fdb\u7a0b\u7684\u8fdb\u7a0bID\n    pid_t pid = getpid();\n\n    \/\/ \u5c06 argv[0] \u8d4b\u503c\u7ed9 arg0\n    char *arg0 = argv[0];\n\n    \/\/ \u4fee\u6539\u8fdb\u7a0b\u540d\u5b57\u4e3a argv[0]\n    prctl(PR_SET_NAME, arg0, 0, 0, 0);\n\n    \/\/ \u8f93\u51fa\u4fee\u6539\u540e\u7684\u8fdb\u7a0b\u540d\u5b57\n    char name[17]; \/\/ \u8fdb\u7a0b\u540d\u5b57\u6700\u957f\u4e3a 16 \u4e2a\u5b57\u7b26\n    if (prctl(PR_GET_NAME, name) == 0) {\n        printf(&quot;\u8fdb\u7a0b\u540d\u5b57\u5df2\u4fee\u6539\u4e3a\uff1a%s\\n&quot;, name);\n    }\n\n    \/\/ \u7a0b\u5e8f\u5176\u4f59\u90e8\u5206\n    \/\/ ...\n\n    return 0;\n}<\/code><\/pre>\n<p>\u540c\u6837\u7684\u4ee3\u7801\uff0c\u5728linux\u91ccps -e \u5c31\u53ef\u4ee5\u663e\u793a\u6539\u8fc7\u7684\u8fdb\u7a0b\u540d\uff0c\u4f46\u662fandroid\u5e73\u53f0\uff0c\u9700\u8981ps -eT\uff08\u52a0\u7ebf\u7a0b\u53c2\u6570\uff09\u624d\u80fd\u663e\u793a\u6539\u8fc7\u7684\u8fdb\u7a0b\u540d\u3002<\/p>\n<button class=\"simplefavorite-button\" data-postid=\"13348\" 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>https:\/\/bbs.huaweicloud.com\/blogs\/378148 \u4fee\u6539\u8fdb\u7a0b\u540d\u79f0 ht [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[945],"tags":[],"_links":{"self":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/13348"}],"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=13348"}],"version-history":[{"count":3,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/13348\/revisions"}],"predecessor-version":[{"id":13351,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/13348\/revisions\/13351"}],"wp:attachment":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13348"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13348"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}