If factor == DNS_ADB_RTTADJAGE and addr->entry->lastage == now we would load value into new_srtt and then immediatelly store it back which triggers the synchronization between threads using .srtt values.
If factor == DNS_ADB_RTTADJAGE and addr->entry->lastage == now we would load value into new_srtt and then immediatelly store it back which triggers the synchronization between threads using .srtt values.