int cg_path_get_unit(const char *path, char **unit);
int cg_path_get_user_unit(const char *path, char **unit);
int cg_path_get_machine_name(const char *path, char **machine);
+int cg_path_get_slice(const char *path, char **slice);
int cg_pid_get_path_shifted(pid_t pid, char **root, char **cgroup);
int cg_pid_get_unit(pid_t pid, char **unit);
int cg_pid_get_user_unit(pid_t pid, char **unit);
int cg_pid_get_machine_name(pid_t pid, char **machine);
+int cg_pid_get_slice(pid_t pid, char **slice);
int cg_path_decode_unit(const char *cgroup, char **unit);