CLDWAITPID
if (p->p_pidflag & CLDWAITPID)
{ "CLDWAITPID", CLDWAITPID, CLDWAITPID },
if (p->p_pidflag & CLDWAITPID)
if (idtype != P_PID && (cp->p_pidflag & CLDWAITPID))
(cp->p_pidflag & CLDWAITPID))
q->p_pidflag &= ~(CLDNOSIGCHLD | CLDWAITPID);
cp->p_pidflag |= CLDWAITPID;
!(cp->p_pidflag & CLDWAITPID))
if (!(cp->p_pidflag & CLDWAITPID))