132 lines
3.7 KiB
C
132 lines
3.7 KiB
C
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1996, 1997
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* Sleepycat Software. All rights reserved.
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*/
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/*
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* Copyright (c) 1996
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* The President and Fellows of Harvard University. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "config.h"
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#ifndef lint
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static const char sccsid[] = "@(#)txn_rec.c 10.6 (Sleepycat) 10/25/97";
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#endif /* not lint */
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#ifndef NO_SYSTEM_INCLUDES
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#include <sys/types.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#endif
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#include "db_int.h"
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#include "db_page.h"
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#include "shqueue.h"
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#include "txn.h"
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#include "db_dispatch.h"
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#include "db_am.h"
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#include "common_ext.h"
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/*
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* PUBLIC: int __txn_regop_recover
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* PUBLIC: __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
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*/
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int
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__txn_regop_recover(logp, dbtp, lsnp, redo, info)
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DB_LOG *logp;
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DBT *dbtp;
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DB_LSN *lsnp;
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int redo;
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void *info;
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{
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__txn_regop_args *argp;
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int ret;
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#ifdef DEBUG_RECOVER
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(void)__txn_regop_print(logp, dbtp, lsnp, redo, info);
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#endif
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logp = logp; /* XXX: Shut the compiler up. */
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redo = redo;
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if ((ret = __txn_regop_read(dbtp->data, &argp)) != 0)
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return (ret);
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switch (argp->opcode) {
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case TXN_COMMIT:
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if (__db_txnlist_find(info,
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argp->txnid->txnid) == DB_NOTFOUND)
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__db_txnlist_add(info, argp->txnid->txnid);
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break;
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case TXN_PREPARE: /* Nothing to do. */
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case TXN_BEGIN:
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/* Call find so that we update the maxid. */
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(void)__db_txnlist_find(info, argp->txnid->txnid);
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break;
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}
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*lsnp = argp->prev_lsn;
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__db_free(argp);
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return (0);
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}
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/*
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* PUBLIC: int __txn_ckp_recover __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
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*/
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int
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__txn_ckp_recover(logp, dbtp, lsnp, redo, info)
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DB_LOG *logp;
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DBT *dbtp;
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DB_LSN *lsnp;
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int redo;
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void *info;
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{
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__txn_ckp_args *argp;
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int ret;
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#ifdef DEBUG_RECOVER
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__txn_ckp_print(logp, dbtp, lsnp, redo, info);
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#endif
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logp = logp; /* XXX: Shut the compiler up. */
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redo = redo;
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info = info;
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if ((ret = __txn_ckp_read(dbtp->data, &argp)) != 0)
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return (ret);
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*lsnp = argp->last_ckp;
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__db_free(argp);
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return (DB_TXN_CKP);
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}
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