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