On 2021-10-09 18:00:45 +0000, Dave Froble said: > On 10/9/2021 12:47 PM, Stephen Hoffman wrote: > >> C and DLM already implement range locking on OpenVMS. > > I'd really like to see the documentation and how to use it. Alas, entirely undocumented, per the previous comments around here. -- Pure Personal Opinion | HoffmanLabs LLC