enum tdb_lock_flags flags);
int tdb_nest_unlock(struct tdb_context *tdb, uint32_t offset, int ltype,
bool mark_lock);
+bool tdb_have_locks(struct tdb_context *tdb);
int tdb_unlock(struct tdb_context *tdb, int list, int ltype);
int tdb_brlock(struct tdb_context *tdb,
int rw_type, tdb_off_t offset, size_t len,