PS_WAITEVENT
atomic_setbits_int(&pr->ps_pptr->ps_flags, PS_WAITEVENT);
PS_WAITEVENT);
atomic_setbits_int(&ppr->ps_flags, PS_WAITEVENT);
PS_WAITEVENT);
atomic_clearbits_int(&q->p_p->ps_flags, PS_WAITEVENT);
!ISSET(atomic_load_int(&q->p_p->ps_flags), PS_WAITEVENT))) != 0)
atomic_setbits_int(&tr->ps_flags, PS_WAITEVENT);
PS_WAITEVENT);
atomic_setbits_int(&pr->ps_pptr->ps_flags, PS_WAITEVENT);