Remove all claims on the MUMPS name space from prior
LOCKs.
Null string ("") A.
Replace the n-tuple in A by the n + 1-tuple (A:Result).
Do action 1. Then attempt to claim the subspace of all names
in A.
This action suspends execution until it succeeds.
Set up a timer of Timeout seconds.
Do action 1.
Then attempt to claim the subspace of all names in A at least once, and then
repeatedly until the claim succeeds or the timer expires,
whichever occurs first.