xref: /onnv-gate/usr/src/cmd/sendmail/db/include/db_dispatch.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*-
2*0Sstevel@tonic-gate  * See the file LICENSE for redistribution information.
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * Copyright (c) 1996, 1997, 1998
5*0Sstevel@tonic-gate  *	Sleepycat Software.  All rights reserved.
6*0Sstevel@tonic-gate  */
7*0Sstevel@tonic-gate /*
8*0Sstevel@tonic-gate  * Copyright (c) 1995, 1996
9*0Sstevel@tonic-gate  *	The President and Fellows of Harvard University.  All rights reserved.
10*0Sstevel@tonic-gate  *
11*0Sstevel@tonic-gate  * Redistribution and use in source and binary forms, with or without
12*0Sstevel@tonic-gate  * modification, are permitted provided that the following conditions
13*0Sstevel@tonic-gate  * are met:
14*0Sstevel@tonic-gate  * 1. Redistributions of source code must retain the above copyright
15*0Sstevel@tonic-gate  *    notice, this list of conditions and the following disclaimer.
16*0Sstevel@tonic-gate  * 2. Redistributions in binary form must reproduce the above copyright
17*0Sstevel@tonic-gate  *    notice, this list of conditions and the following disclaimer in the
18*0Sstevel@tonic-gate  *    documentation and/or other materials provided with the distribution.
19*0Sstevel@tonic-gate  * 3. All advertising materials mentioning features or use of this software
20*0Sstevel@tonic-gate  *    must display the following acknowledgement:
21*0Sstevel@tonic-gate  *	This product includes software developed by the University of
22*0Sstevel@tonic-gate  *	California, Berkeley and its contributors.
23*0Sstevel@tonic-gate  * 4. Neither the name of the University nor the names of its contributors
24*0Sstevel@tonic-gate  *    may be used to endorse or promote products derived from this software
25*0Sstevel@tonic-gate  *    without specific prior written permission.
26*0Sstevel@tonic-gate  *
27*0Sstevel@tonic-gate  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28*0Sstevel@tonic-gate  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29*0Sstevel@tonic-gate  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30*0Sstevel@tonic-gate  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31*0Sstevel@tonic-gate  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32*0Sstevel@tonic-gate  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33*0Sstevel@tonic-gate  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34*0Sstevel@tonic-gate  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35*0Sstevel@tonic-gate  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36*0Sstevel@tonic-gate  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37*0Sstevel@tonic-gate  * SUCH DAMAGE.
38*0Sstevel@tonic-gate  *
39*0Sstevel@tonic-gate  *	@(#)db_dispatch.h	10.4 (Sleepycat) 5/3/98
40*0Sstevel@tonic-gate  */
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate #ifndef _DB_DISPATCH_H
43*0Sstevel@tonic-gate #define _DB_DISPATCH_H
44*0Sstevel@tonic-gate 
45*0Sstevel@tonic-gate struct __db_txnhead;	typedef struct __db_txnhead DB_TXNHEAD;
46*0Sstevel@tonic-gate struct __db_txnlist;	typedef struct __db_txnlist DB_TXNLIST;
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate /*
49*0Sstevel@tonic-gate  * Declarations and typedefs for the list of transaction IDs used during
50*0Sstevel@tonic-gate  * recovery.
51*0Sstevel@tonic-gate  */
52*0Sstevel@tonic-gate struct __db_txnhead {
53*0Sstevel@tonic-gate 	LIST_HEAD(__db_headlink, __db_txnlist) head;
54*0Sstevel@tonic-gate 	u_int32_t maxid;
55*0Sstevel@tonic-gate 	int32_t generation;
56*0Sstevel@tonic-gate };
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate struct __db_txnlist {
59*0Sstevel@tonic-gate 	LIST_ENTRY(__db_txnlist) links;
60*0Sstevel@tonic-gate 	u_int32_t txnid;
61*0Sstevel@tonic-gate 	int32_t	generation;
62*0Sstevel@tonic-gate };
63*0Sstevel@tonic-gate 
64*0Sstevel@tonic-gate #define	DB_log_BEGIN		  0
65*0Sstevel@tonic-gate #define	DB_txn_BEGIN		  5
66*0Sstevel@tonic-gate #define	DB_ham_BEGIN		 20
67*0Sstevel@tonic-gate #define	DB_db_BEGIN		 40
68*0Sstevel@tonic-gate #define	DB_bam_BEGIN		 50
69*0Sstevel@tonic-gate #define	DB_ram_BEGIN		100
70*0Sstevel@tonic-gate #define	DB_user_BEGIN		150
71*0Sstevel@tonic-gate 
72*0Sstevel@tonic-gate #define	TXN_UNDO		 0
73*0Sstevel@tonic-gate #define	TXN_REDO		 1
74*0Sstevel@tonic-gate #define	TXN_BACKWARD_ROLL	-1
75*0Sstevel@tonic-gate #define	TXN_FORWARD_ROLL	-2
76*0Sstevel@tonic-gate #define TXN_OPENFILES		-3
77*0Sstevel@tonic-gate #endif
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