Relinquish management of the lock without unlocking it.
Declared in <bslmt_lockguard.h>
T*
release();Return the address of the modifiable lock object under management by this guard, and release the lock from further management by this guard. If no lock is currently being managed, return 0 with no other effect. Note that this operation does not unlock the lock object (if any) that was under management.
address of the previously managed lock, or 0 if none