DB_ENV->lock_id_free()
#include <db.h>
int
DB_ENV->lock_id_free(DB_ENV *env, u_int32_t id); The DB_ENV->lock_id_free() method frees a locker ID allocated by the DB_ENV->lock_id() method.
The DB_ENV->lock_id_free() method returns a non-zero error value on failure and 0 on success.
Parameters
id
The id parameter is the locker id to be freed.
Errors
The DB_ENV->lock_id_free() method may fail and return one of the following non-zero errors:
EINVAL
If the locker ID is invalid or locks are still held by this locker ID; or if an invalid flag value or parameter was specified.