hblk_shw_mask
shw_mask = shw_hblkp->hblk_shw_mask;
newshw_mask = atomic_cas_32(&shw_hblkp->hblk_shw_mask,
shw_mask = shw_hblkp->hblk_shw_mask;
newshw_mask = atomic_cas_32(&shw_hblkp->hblk_shw_mask,
if (hmeblkp->hblk_shw_mask) {
if (!hmeblkp->hblk_shw_mask) {
shw_mask = hmeblkp->hblk_shw_mask;
newshw_mask = atomic_cas_32(&hmeblkp->hblk_shw_mask, shw_mask,
if (!hmeblkp->hblk_shw_mask) {
if (hmeblkp->hblk_shw_mask) {