115 lines
2.6 KiB
Plaintext
115 lines
2.6 KiB
Plaintext
/*-
|
|
* See the file LICENSE for redistribution information.
|
|
*
|
|
* Copyright (c) 1996, 1997, 1998, 1999, 2000
|
|
* Sleepycat Software. All rights reserved.
|
|
*
|
|
* $Id: txn.src,v 11.10 2001/01/02 00:58:33 margo Exp $
|
|
*/
|
|
|
|
PREFIX txn
|
|
|
|
INCLUDE #include "db_config.h"
|
|
INCLUDE
|
|
INCLUDE #ifndef NO_SYSTEM_INCLUDES
|
|
INCLUDE #include <sys/types.h>
|
|
INCLUDE
|
|
INCLUDE #include <ctype.h>
|
|
INCLUDE #include <errno.h>
|
|
INCLUDE #include <string.h>
|
|
INCLUDE #endif
|
|
INCLUDE
|
|
INCLUDE #include "db_int.h"
|
|
INCLUDE #include "db_page.h"
|
|
INCLUDE #include "db_dispatch.h"
|
|
INCLUDE #include "db_am.h"
|
|
INCLUDE #include "txn.h"
|
|
INCLUDE
|
|
|
|
/*
|
|
* DEPRECATED in 3.1 to add timestamps.
|
|
*/
|
|
DEPRECATED old_regop 6
|
|
ARG opcode u_int32_t lu
|
|
END
|
|
|
|
/*
|
|
* This is the standard log operation for commit.
|
|
* Note that we are using an int32_t for the timestamp. This means that
|
|
* in 2039 we will need to deprecate this log record and create one that
|
|
* either changes the Epoch or has a 64-bit offset.
|
|
*/
|
|
BEGIN regop 10
|
|
ARG opcode u_int32_t lu
|
|
ARG timestamp int32_t ld
|
|
END
|
|
|
|
DEPRECATED old_ckp 7
|
|
POINTER ckp_lsn DB_LSN * lu
|
|
POINTER last_ckp DB_LSN * lu
|
|
END
|
|
|
|
/*
|
|
* This is the checkpoint record. It contains the lsn that the checkpoint
|
|
* guarantees and a pointer to the last checkpoint so we can walk backwards
|
|
* by checkpoint.
|
|
*
|
|
* ckp_lsn:
|
|
* The lsn in the log of the most recent point at which all begun
|
|
* transactions have been aborted. This is the point for which
|
|
* the checkpoint is relevant.
|
|
* last_ckp:
|
|
* The previous checkpoint.
|
|
* timestamp:
|
|
* See comment in commit about timestamps.
|
|
*/
|
|
BEGIN ckp 11
|
|
POINTER ckp_lsn DB_LSN * lu
|
|
POINTER last_ckp DB_LSN * lu
|
|
ARG timestamp int32_t ld
|
|
END
|
|
|
|
/*
|
|
* This is the standard log operation for prepare (since right now
|
|
* we only use prepare in an XA environment).
|
|
*/
|
|
DEPRECATED xa_regop_old 8
|
|
ARG opcode u_int32_t lu
|
|
DBT xid DBT s
|
|
ARG formatID int32_t ld
|
|
ARG gtrid u_int32_t u
|
|
ARG bqual u_int32_t u
|
|
END
|
|
|
|
/*
|
|
* This is the standard log operation for prepare (since right now
|
|
* we only use prepare in an XA environment).
|
|
*/
|
|
BEGIN xa_regop 13
|
|
ARG opcode u_int32_t lu
|
|
DBT xid DBT s
|
|
ARG formatID int32_t ld
|
|
ARG gtrid u_int32_t u
|
|
ARG bqual u_int32_t u
|
|
POINTER begin_lsn DB_LSN * lu
|
|
END
|
|
|
|
/*
|
|
* This is the log operation for a child commit.
|
|
*/
|
|
DEPRECATED child_old 9
|
|
ARG opcode u_int32_t lu
|
|
ARG parent u_int32_t lx
|
|
END
|
|
|
|
/*
|
|
* This is the (new) log operation for a child commit. It is
|
|
* logged as a record in the PARENT. The child field contains
|
|
* the transaction ID of the child committing and the c_lsn is
|
|
* the last LSN of the child's log trail.
|
|
*/
|
|
BEGIN child 12
|
|
ARG child u_int32_t lx
|
|
POINTER c_lsn DB_LSN * lu
|
|
END
|