Apologies if this has already been said but I have not been following this
thread too closely.
D3 has a SYSTEM(19) function that does what you are wanting, returning the
date/time with a suffix added if any user has already generated the same
key. Unfortunately, UV implements SYSTEM(19) as something different.
It should not be too difficult to do this using the GCI mechanism. The
actual code to do this is simple (we recently implemented SYSTEM(19) in QM
and it took only a few minutes to do). The code needs to maintain a shared
memory record of the last timestamp value for which it was called and the
suffix if one was added. Then, using a semaphore to ensure that it is single
threaded, a call to the GCI function would create the new key, updating the
shared memory.
I admit to never having written a UV GCI function but the documention seems
to suggest that it is easy.
Martin Phillips
Ladybridge Systems Ltd
17b Coldstream Lane, Hardingstone, Northampton, NN4 6DB
+44-(0)1604-709200
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