PS_NOCLDSTOP
if ((q->p_sigacts->ps_flag & PS_NOCLDSTOP) == 0)
if (p->p_sigacts->ps_flag & PS_NOCLDSTOP)
p->p_sigacts->ps_flag |= PS_NOCLDSTOP;
p->p_sigacts->ps_flag &= ~PS_NOCLDSTOP;
if ((q->p_sigacts->ps_flag & PS_NOCLDSTOP) == 0)