PSL_TRACELWP_EXIT
if ((p->p_slflag & (PSL_TRACED|PSL_TRACELWP_EXIT)) ==
(PSL_TRACED|PSL_TRACELWP_EXIT)) {
pe.pe_set_event |= ISSET(t->p_slflag, PSL_TRACELWP_EXIT) ?
SET(t->p_slflag, PSL_TRACELWP_EXIT);
CLR(t->p_slflag, PSL_TRACELWP_EXIT);