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93 lines
2.2 KiB
Text
93 lines
2.2 KiB
Text
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1996-2002
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* Sleepycat Software. All rights reserved.
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*
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* $Id: txn.src,v 11.19 2002/03/27 04:33:15 bostic Exp $
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*/
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PREFIX __txn
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DBPRIVATE
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INCLUDE #include "db_config.h"
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INCLUDE
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INCLUDE #ifndef NO_SYSTEM_INCLUDES
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INCLUDE #include <sys/types.h>
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INCLUDE
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INCLUDE #include <ctype.h>
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INCLUDE #include <string.h>
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INCLUDE #endif
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INCLUDE
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INCLUDE #include "db_int.h"
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INCLUDE #include "dbinc/crypto.h"
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INCLUDE #include "dbinc/db_page.h"
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INCLUDE #include "dbinc/db_dispatch.h"
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INCLUDE #include "dbinc/db_am.h"
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INCLUDE #include "dbinc/log.h"
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INCLUDE #include "dbinc/rep.h"
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INCLUDE #include "dbinc/txn.h"
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INCLUDE
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/*
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* This is the standard log operation for commit.
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* Note that we are using an int32_t for the timestamp. This means that
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* in 2039 we will need to deprecate this log record and create one that
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* either changes the Epoch or has a 64-bit offset.
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*/
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BEGIN regop 10
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ARG opcode u_int32_t lu
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ARG timestamp int32_t ld
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END
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/*
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* This is the checkpoint record. It contains the lsn that the checkpoint
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* guarantees and a pointer to the last checkpoint so we can walk backwards
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* by checkpoint.
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*
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* ckp_lsn:
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* The lsn in the log of the most recent point at which all begun
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* transactions have been aborted. This is the point for which
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* the checkpoint is relevant.
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* last_ckp:
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* The previous checkpoint.
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* timestamp:
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* See comment in commit about timestamps.
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*/
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BEGIN ckp 11
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POINTER ckp_lsn DB_LSN * lu
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POINTER last_ckp DB_LSN * lu
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ARG timestamp int32_t ld
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END
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/*
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* This is the (new) log operation for a child commit. It is
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* logged as a record in the PARENT. The child field contains
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* the transaction ID of the child committing and the c_lsn is
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* the last LSN of the child's log trail.
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*/
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BEGIN child 12
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ARG child u_int32_t lx
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POINTER c_lsn DB_LSN * lu
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END
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/*
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* This is the standard log operation for prepare.
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*/
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BEGIN xa_regop 13
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ARG opcode u_int32_t lu
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DBT xid DBT s
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ARG formatID int32_t ld
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ARG gtrid u_int32_t u
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ARG bqual u_int32_t u
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POINTER begin_lsn DB_LSN * lu
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END
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/*
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* Log the fact that we are recycling txnids.
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*/
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BEGIN recycle 14
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ARG min u_int32_t u
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ARG max u_int32_t u
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END
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