_kern_process_info
extern pid_t _kern_process_info(pid_t process, int32 which);
int32 spawner_id = _kern_process_info(info.team, PARENT_ID);
return _kern_process_info(0, PARENT_ID);
pid_t session = _kern_process_info(process, SESSION_ID);
pid_t group = _kern_process_info(process, GROUP_ID);