1 /* 2 Copyright (C) 2003, 2005-2007 MySQL AB 3 All rights reserved. Use is subject to license terms. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License, version 2.0, 7 as published by the Free Software Foundation. 8 9 This program is also distributed with certain software (including 10 but not limited to OpenSSL) that is licensed under separate terms, 11 as designated in a particular file or component or in included license 12 documentation. The authors of MySQL hereby grant you an additional 13 permission to link the program and your derivative works with the 14 separately licensed software that they have included with MySQL. 15 16 This program is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 GNU General Public License, version 2.0, for more details. 20 21 You should have received a copy of the GNU General Public License 22 along with this program; if not, write to the Free Software 23 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 24 */ 25 26 #ifndef KERNEL_MUTEXES_HPP 27 #define KERNEL_MUTEXES_HPP 28 29 #include <ndb_types.h> 30 31 /** 32 * This mutex is used by: 33 * DIH - before sending START_LCP to all participants 34 * DICT - before commiting a CREATE TABLE 35 * BACKUP - before sending DEFINE_BACKUP 36 */ 37 #define DIH_START_LCP_MUTEX 0 38 #define DICT_COMMIT_TABLE_MUTEX 0 39 40 /** 41 * This mutex is used by 42 * DIH - before switching primary replica 43 * BACKUP - before sending DEFINE_BACKUP 44 */ 45 #define DIH_SWITCH_PRIMARY_MUTEX 1 46 #define BACKUP_DEFINE_MUTEX 1 47 48 /** 49 * This rw lock is ued by DIH to serialize LCP/COPY TABREQ/CREATE FRAG REQ 50 */ 51 #define DIH_FRAGMENT_INFO 2 52 53 54 #endif 55