FR_TMPEXIT
if (F_ISSET(sp->frp, FR_TMPEXIT) && ep->refcnt <= 1 && !force) {
F_SET(frp, FR_TMPEXIT);
F_CLR(frp, FR_TMPEXIT);
F_CLR(frp, FR_TMPEXIT | FR_TMPFILE);
F_CLR(sp->frp, FR_TMPEXIT | FR_TMPFILE);
F_CLR(sp->frp, FR_TMPEXIT | FR_TMPFILE);