| DB_ENV->lock_detect() | Perform deadlock detection | 
              
                | DB_ENV->lock_get() | Acquire a lock | 
              
                | DB_ENV->lock_id() | Acquire a locker ID | 
              
                | DB_ENV->lock_id_free() | Release a locker ID | 
              
                | DB_ENV->lock_put() | Release a lock | 
              
                | DB_ENV->lock_stat() | Return lock subsystem statistics | 
              
                | DB_ENV->lock_stat_print() | Print lock subsystem statistics | 
              
                | DB_ENV->lock_vec() | Acquire/release locks | 
              
                | DB_ENV->cdsgroup_begin() | Get a locker ID in Berkeley DB Concurrent Data Store | 
              
                | Locking Subsystem Configuration | 
              
                | DB_ENV->set_timeout(), DB_ENV->get_timeout() | Set/get lock and transaction timeout | 
              
                | DB_ENV->set_lk_conflicts(), DB_ENV->get_lk_conflicts() | Set/get lock conflicts matrix | 
              
                | DB_ENV->set_lk_detect(), DB_ENV->get_lk_detect() | Set/get automatic deadlock detection | 
              
                | DB_ENV->set_lk_max_lockers(), DB_ENV->get_lk_max_lockers() | Set/get maximum number of lockers | 
              
                | DB_ENV->set_lk_max_locks(), DB_ENV->get_lk_max_locks() | Set/get maximum number of locks | 
              
                | DB_ENV->set_lk_max_objects(), DB_ENV->get_lk_max_objects() | Set/get maximum number of lock objects | 
              
                | DB_ENV->set_lk_partitions(), DB_ENV->get_lk_partitions() | Set/get number of lock partitions | 
              
                | DB_ENV->set_lk_priority(), DB_ENV->get_lk_priority() | Set/get a locker's deadlock priority | 
              
                | DB_ENV->set_lk_tablesize(), DB_ENV->get_lk_tablesize() | Set/get size of the lock object hash table |