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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1996, 1997, 1998, 1999
* Sleepycat Software. All rights reserved.
*/
/*
* Copyright (c) 1995, 1996
* The President and Fellows of Harvard University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)db_dispatch.h 11.5 (Sleepycat) 9/9/99
*/
#ifndef _DB_DISPATCH_H
#define _DB_DISPATCH_H
struct __db_txnhead; typedef struct __db_txnhead DB_TXNHEAD;
struct __db_txnlist; typedef struct __db_txnlist DB_TXNLIST;
/*
* Declarations and typedefs for the list of transaction IDs used during
* recovery. This is a generic list used to pass along whatever information
* we need during recovery.
*/
struct __db_txnhead {
LIST_HEAD(__db_headlink, __db_txnlist) head;
u_int32_t maxid;
int32_t generation;
};
#define TXNLIST_INVALID_ID 0xffffffff
struct __db_txnlist {
enum { TXNLIST_DELETE, TXNLIST_TXNID } type;
LIST_ENTRY(__db_txnlist) links;
union {
struct {
u_int32_t txnid;
int32_t generation;
} t;
struct {
#define TXNLIST_FLAG_DELETED 0x1
#define TXNLIST_FLAG_CLOSED 0x2
u_int32_t flags;
u_int32_t fileid;
u_int32_t count;
char *fname;
} d;
} u;
};
#define DB_log_BEGIN 0
#define DB_txn_BEGIN 5
#define DB_ham_BEGIN 20
#define DB_db_BEGIN 40
#define DB_bam_BEGIN 50
#define DB_qam_BEGIN 75
#define DB_ram_BEGIN 100
#define DB_crdel_BEGIN 140
#define DB_user_BEGIN 150
#define TXN_UNDO 0
#define TXN_REDO 1
#define TXN_BACKWARD_ROLL -1
#define TXN_FORWARD_ROLL -2
#define TXN_OPENFILES -3
#endif
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