1 #define _GNU_SOURCE
2 #include <sys/types.h>
3 #include <sys/stat.h>
4 #include <fcntl.h>
5 #include <inttypes.h>
6 
main(void)7 int main(void)
8 {
9 	struct {
10 		struct file_handle fh;
11 		uint64_t cgroup_id;
12 	} handle;
13 	int mount_id;
14 
15 	name_to_handle_at(AT_FDCWD, "/", &handle.fh, &mount_id, 0);
16 	return 0;
17 }
18