DB_ENV->get_lk_max_locks()
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## DB_ENV->get_lk_max_locks()

    #include <db.h>

    int
    DB_ENV->get_lk_max_locks(DB_ENV *dbenv, u_int32_t *lk_maxp);

The `DB_ENV->get_lk_max_locks()` method returns the maximum number of potential locks. You can configure this using the DB_ENV->set_lk_max_locks() method.

The `DB_ENV->get_lk_max_locks()` method may be called at any time during the life of the application.

The `DB_ENV->get_lk_max_locks()` method returns a non-zero error value on failure and 0 on success.

### Parameters

#### lk_maxp

The `DB_ENV->get_lk_max_locks()` method returns the maximum number of locks in lk_maxp.

### Errors

The `DB_ENV->get_lk_max_locks()` method may fail and return one of the following non-zero errors:

#### EINVAL

The method was called on an environment which had been opened without being configured for locking.

### Class

DB_ENV, DB_LOCK

### See Also

Locking Subsystem and Related Methods, DB_ENV->set_lk_max_locks()

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