MDI_VHC_VHCACHE_FLUSH_THREAD
while ((vhc->vhc_flags & MDI_VHC_VHCACHE_FLUSH_THREAD) ||
while (vhc->vhc_flags & MDI_VHC_VHCACHE_FLUSH_THREAD) {
vhc->vhc_flags &= ~MDI_VHC_VHCACHE_FLUSH_THREAD;
if (vhc->vhc_flags & MDI_VHC_VHCACHE_FLUSH_THREAD) {
vhc->vhc_flags |= MDI_VHC_VHCACHE_FLUSH_THREAD;