332     MDB_txn *txn = NULL;  in fetch_lockout()  local
338     err = mdb_txn_begin(dbc->lockout_env, NULL, MDB_RDONLY, &txn);  in fetch_lockout()
340         err = mdb_get(txn, dbc->lockout_db, key, &val);  in fetch_lockout()
343     mdb_txn_abort(txn);  in fetch_lockout()
359     MDB_txn *temp_txn = NULL, *txn;  in put()  local
364         txn = dbc->load_txn;  in put()
369         txn = temp_txn;  in put()
372     if (must_overwrite && mdb_get(txn, db, &key, &dummy) == MDB_NOTFOUND) {  in put()
377     err = mdb_put(txn, db, &key, &val, putflags);  in put()
404     MDB_txn *txn = NULL;  in del()  local
408     err = mdb_txn_begin(env, NULL, 0, &txn);  in del()
410         err = mdb_del(txn, db, &key, NULL);  in del()
412         err = mdb_txn_commit(txn);  in del()
413         txn = NULL;  in del()
421     mdb_txn_abort(txn);  in del()
508     MDB_txn *txn = NULL;  in klmdb_open()  local
532     err = mdb_txn_begin(dbc->env, NULL, MDB_RDONLY, &txn);  in klmdb_open()
535     err = mdb_dbi_open(txn, "principal", 0, &dbc->princ_db);  in klmdb_open()
538     err = mdb_dbi_open(txn, "policy", 0, &dbc->policy_db);  in klmdb_open()
541     err = mdb_txn_commit(txn);  in klmdb_open()
542     txn = NULL;  in klmdb_open()
552         err = mdb_txn_begin(dbc->lockout_env, NULL, MDB_RDONLY, &txn);  in klmdb_open()
555         err = mdb_dbi_open(txn, "lockout", 0, &dbc->lockout_db);  in klmdb_open()
558         err = mdb_txn_commit(txn);  in klmdb_open()
559         txn = NULL;  in klmdb_open()
569     mdb_txn_abort(txn);  in klmdb_open()
579     MDB_txn *txn = NULL;  in klmdb_create()  local
609     err = mdb_txn_begin(dbc->env, NULL, 0, &txn);  in klmdb_create()
612     err = mdb_dbi_open(txn, "principal", MDB_CREATE, &dbc->princ_db);  in klmdb_create()
615     err = mdb_dbi_open(txn, "policy", MDB_CREATE, &dbc->policy_db);  in klmdb_create()
618     err = mdb_txn_commit(txn);  in klmdb_create()
619     txn = NULL;  in klmdb_create()
624     err = mdb_txn_begin(dbc->lockout_env, NULL, 0, &txn);  in klmdb_create()
627     err = mdb_dbi_open(txn, "lockout", MDB_CREATE, &dbc->lockout_db);  in klmdb_create()
630     err = mdb_txn_commit(txn);  in klmdb_create()
631     txn = NULL;  in klmdb_create()
661     mdb_txn_abort(txn);  in klmdb_create()
753     MDB_txn *txn = NULL;  in klmdb_put_principal()  local
794         err = mdb_txn_begin(dbc->lockout_env, NULL, 0, &txn);  in klmdb_put_principal()
797             if (mdb_get(txn, dbc->lockout_db, &key, &dummy) == 0)  in klmdb_put_principal()
801             err = mdb_put(txn, dbc->lockout_db, &key, &val, 0);  in klmdb_put_principal()
803             err = mdb_txn_commit(txn);  in klmdb_put_principal()
804             txn = NULL;  in klmdb_put_principal()
813     mdb_txn_abort(txn);  in klmdb_put_principal()
848     MDB_txn *txn = NULL;  in klmdb_iterate()  local
857     err = mdb_txn_begin(dbc->env, NULL, MDB_RDONLY, &txn);  in klmdb_iterate()
860     err = mdb_cursor_open(txn, dbc->princ_db, &cursor);  in klmdb_iterate()
886     mdb_txn_abort(txn);  in klmdb_iterate()
955     MDB_txn *txn = NULL;  in klmdb_iter_policy()  local
963     err = mdb_txn_begin(dbc->env, NULL, MDB_RDONLY, &txn);  in klmdb_iter_policy()
966     err = mdb_cursor_open(txn, dbc->policy_db, &cursor);  in klmdb_iter_policy()
989     mdb_txn_abort(txn);  in klmdb_iter_policy()
1063     MDB_txn *txn = NULL;  in klmdb_update_lockout()  local
1081     err = mdb_txn_begin(dbc->lockout_env, NULL, 0, &txn);  in klmdb_update_lockout()
1084     /* Fetch base lockout info within txn so we update transactionally. */  in klmdb_update_lockout()
1085     err = mdb_get(txn, dbc->lockout_db, &key, &val);  in klmdb_update_lockout()
1106     err = mdb_put(txn, dbc->lockout_db, &key, &val, 0);  in klmdb_update_lockout()
1109     err = mdb_txn_commit(txn);  in klmdb_update_lockout()
1110     txn = NULL;  in klmdb_update_lockout()
1119     mdb_txn_abort(txn);  in klmdb_update_lockout()