glibc/db2/txn/txn.src

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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1996, 1997, 1998
* Sleepycat Software. All rights reserved.
*
* @(#)txn.src 10.6 (Sleepycat) 1/3/99
*/
PREFIX txn
/*
* This is the standard log operation for commit.
*/
BEGIN regop
ARG opcode u_int32_t 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.
*/
BEGIN ckp
POINTER ckp_lsn DB_LSN * lu
POINTER last_ckp DB_LSN * lu
END
/*
* This is the standard log operation for prepare (since right now
* we only use prepare in an XA environment).
*/
BEGIN xa_regop
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.
*/
BEGIN child
ARG opcode u_int32_t lu
ARG parent u_int32_t lu
END