mariadb/storage/bdb/txn/txn.src

/*-
 * See the file LICENSE for redistribution information.
 *
 * Copyright (c) 1996-2005
 *	Sleepycat Software.  All rights reserved.
 *
 * $Id: txn.src,v 12.2 2005/09/21 18:34:07 sue Exp $
 */

PREFIX	__txn
DBPRIVATE

INCLUDE #ifndef NO_SYSTEM_INCLUDES
INCLUDE #include <sys/types.h>
INCLUDE
INCLUDE #if TIME_WITH_SYS_TIME
INCLUDE #include <sys/time.h>
INCLUDE #include <time.h>
INCLUDE #else
INCLUDE #if HAVE_SYS_TIME_H
INCLUDE #include <sys/time.h>
INCLUDE #else
INCLUDE #include <time.h>
INCLUDE #endif /* HAVE_SYS_TIME_H */
INCLUDE #endif /* TIME_WITH SYS_TIME */
INCLUDE
INCLUDE #include <ctype.h>
INCLUDE #include <string.h>
INCLUDE #endif
INCLUDE
INCLUDE #include "db_int.h"
INCLUDE #include "dbinc/crypto.h"
INCLUDE #include "dbinc/db_page.h"
INCLUDE #include "dbinc/db_dispatch.h"
INCLUDE #include "dbinc/db_am.h"
INCLUDE #include "dbinc/db_shash.h"
INCLUDE #include "dbinc/lock.h"
INCLUDE #include "dbinc/log.h"
INCLUDE #include "dbinc/txn.h"
INCLUDE

/*
 * 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.
 * envid:
 *	Environment ID of this operation.
 */
BEGIN regop		10
ARG	opcode		u_int32_t	ld
TIME	timestamp	int32_t		ld
ARG	envid		u_int32_t	ld
LOCKS	locks		DBT		s
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.
 * envid:
 *	Environment ID of this checkpoint.
 * rep_gen:
 *	Persistent replication generation number.
 */
BEGIN ckp		11
POINTER	ckp_lsn		DB_LSN *	lu
POINTER	last_ckp	DB_LSN *	lu
TIME	timestamp	int32_t		ld
ARG	envid		u_int32_t	ld
ARG	rep_gen		u_int32_t	ld
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


/*
 * This is the standard log operation for prepare.
 */
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
LOCKS	locks		DBT		s
END

/*
 * Log the fact that we are recycling txnids.
 */
BEGIN recycle		14
ARG	min		u_int32_t	u
ARG	max		u_int32_t	u
END