1 /*- 2 * See the file LICENSE for redistribution information. 3 * 4 * Copyright (c) 1996, 1997, 1998 5 * Sleepycat Software. All rights reserved. 6 */ 7 /* 8 * Copyright (c) 1995, 1996 9 * The President and Fellows of Harvard University. All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the University of 22 * California, Berkeley and its contributors. 23 * 4. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * @(#)db_dispatch.h 10.4 (Sleepycat) 5/3/98 40 */ 41 42 #ifndef _DB_DISPATCH_H 43 #define _DB_DISPATCH_H 44 45 struct __db_txnhead; typedef struct __db_txnhead DB_TXNHEAD; 46 struct __db_txnlist; typedef struct __db_txnlist DB_TXNLIST; 47 48 /* 49 * Declarations and typedefs for the list of transaction IDs used during 50 * recovery. 51 */ 52 struct __db_txnhead { 53 LIST_HEAD(__db_headlink, __db_txnlist) head; 54 u_int32_t maxid; 55 int32_t generation; 56 }; 57 58 struct __db_txnlist { 59 LIST_ENTRY(__db_txnlist) links; 60 u_int32_t txnid; 61 int32_t generation; 62 }; 63 64 #define DB_log_BEGIN 0 65 #define DB_txn_BEGIN 5 66 #define DB_ham_BEGIN 20 67 #define DB_db_BEGIN 40 68 #define DB_bam_BEGIN 50 69 #define DB_ram_BEGIN 100 70 #define DB_user_BEGIN 150 71 72 #define TXN_UNDO 0 73 #define TXN_REDO 1 74 #define TXN_BACKWARD_ROLL -1 75 #define TXN_FORWARD_ROLL -2 76 #define TXN_OPENFILES -3 77 #endif 78