149f550eaSNamhyung Kim #define _GNU_SOURCE 249f550eaSNamhyung Kim #include <sys/types.h> 349f550eaSNamhyung Kim #include <sys/stat.h> 449f550eaSNamhyung Kim #include <fcntl.h> 549f550eaSNamhyung Kim #include <inttypes.h> 649f550eaSNamhyung Kim main(void)749f550eaSNamhyung Kimint main(void) 849f550eaSNamhyung Kim { 949f550eaSNamhyung Kim struct { 1049f550eaSNamhyung Kim struct file_handle fh; 1149f550eaSNamhyung Kim uint64_t cgroup_id; 1249f550eaSNamhyung Kim } handle; 1349f550eaSNamhyung Kim int mount_id; 1449f550eaSNamhyung Kim 1549f550eaSNamhyung Kim name_to_handle_at(AT_FDCWD, "/", &handle.fh, &mount_id, 0); 1649f550eaSNamhyung Kim return 0; 1749f550eaSNamhyung Kim } 18