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added unshare_umount example

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Jake Hillion 2022-04-15 21:55:28 +01:00
parent df522e679f
commit 7c30e3f974
1 changed files with 15 additions and 0 deletions
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examples/unshare_umount.c Normal file
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#define _GNU_SOURCE
#include <sched.h>
#include <sys/mount.h>
#include <sys/types.h>
#include <dirent.h>
#include <stdio.h>
int main() {
if (unshare(CLONE_NEWNS))
perror("unshare");
if (mount("none", "/", NULL, MS_REC|MS_PRIVATE, NULL))
perror("mount");
if (umount("/"))
perror("umount");
}