VNTSD_GROUP_SIG_WAIT
(groupp->status & VNTSD_GROUP_SIG_WAIT)) {
assert(groupp->status & VNTSD_GROUP_SIG_WAIT);
if (groupp->status & VNTSD_GROUP_SIG_WAIT) {
groupp->status &= ~VNTSD_GROUP_SIG_WAIT;
groupp->status |= VNTSD_GROUP_SIG_WAIT;
while (groupp->status & VNTSD_GROUP_SIG_WAIT) {