AV_PENTRY_PEND
avp->av_flags &= ~AV_PENTRY_PEND;
if (p->av_flags & AV_PENTRY_PEND)
p->av_flags |= AV_PENTRY_PEND;
if ((av->av_flags & AV_PENTRY_PEND) == 0)
(AV_PENTRY_PEND | AV_PENTRY_ONPROC)) != 0)
(tp->av_flags & AV_PENTRY_PEND) == 0) {\
tp->av_flags |= AV_PENTRY_PEND;\