dbm_shm_unlock 
Use
You unlock the shared memory. This DBM command is only to be used for handling errors.
Only use this Database Manager command if you are instructed to do so by the support desk as it could lead to inconsistencies in the database system.
See also:
Glossary, 
Shared
Memory
Prerequisites
You have the server authorization SharedMemoryAdmin.
Syntax
dbm_shm_unlock
Reply
OK
In the event of errors, see Reply Format