int cg_rmdir(const char *controller, const char *path, bool honour_sticky);
int cg_delete(const char *controller, const char *path);
-int cg_create(const char *controller, const char *path);
+int cg_create(const char *controller, const char *path, const char *suffix);
int cg_attach(const char *controller, const char *path, pid_t pid);
int cg_create_and_attach(const char *controller, const char *path, pid_t pid);