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-rw-r--r--db2/txn/txn_rec.c296
1 files changed, 0 insertions, 296 deletions
diff --git a/db2/txn/txn_rec.c b/db2/txn/txn_rec.c
deleted file mode 100644
index f21a0f92c8..0000000000
--- a/db2/txn/txn_rec.c
+++ /dev/null
@@ -1,296 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1996, 1997, 1998
- *	Sleepycat Software.  All rights reserved.
- */
-/*
- * Copyright (c) 1996
- *	The President and Fellows of Harvard University.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include "config.h"
-
-#ifndef lint
-static const char sccsid[] = "@(#)txn_rec.c	10.15 (Sleepycat) 1/3/99";
-#endif /* not lint */
-
-#ifndef NO_SYSTEM_INCLUDES
-#include <sys/types.h>
-
-#include <errno.h>
-#endif
-
-#include "db_int.h"
-#include "db_page.h"
-#include "shqueue.h"
-#include "txn.h"
-#include "db_am.h"
-#include "log.h"
-#include "common_ext.h"
-
-static int __txn_restore_txn __P((DB_ENV *, DB_LSN *, __txn_xa_regop_args *));
-
-#define	IS_XA_TXN(R) (R->xid.size != 0)
-	
-/*
- * PUBLIC: int __txn_regop_recover
- * PUBLIC:    __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
- *
- * These records are only ever written for commits.
- */
-int
-__txn_regop_recover(logp, dbtp, lsnp, redo, info)
-	DB_LOG *logp;
-	DBT *dbtp;
-	DB_LSN *lsnp;
-	int redo;
-	void *info;
-{
-	__txn_regop_args *argp;
-	int ret;
-
-#ifdef DEBUG_RECOVER
-	(void)__txn_regop_print(logp, dbtp, lsnp, redo, info);
-#endif
-	COMPQUIET(redo, 0);
-	COMPQUIET(logp, NULL);
-
-	if ((ret = __txn_regop_read(dbtp->data, &argp)) != 0)
-		return (ret);
-
-	if (argp->opcode != TXN_COMMIT)
-		ret = EINVAL;
-	else
-		if (__db_txnlist_find(info, argp->txnid->txnid) == DB_NOTFOUND)
-			ret = __db_txnlist_add(info, argp->txnid->txnid);
-
-	if (ret == 0)
-		*lsnp = argp->prev_lsn;
-	__os_free(argp, 0);
-
-	return (ret);
-}
-
-/*
- * PUBLIC: int __txn_xa_regop_recover
- * PUBLIC:    __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
- *
- * These records are only ever written for prepares.
- */
-int
-__txn_xa_regop_recover(logp, dbtp, lsnp, redo, info)
-	DB_LOG *logp;
-	DBT *dbtp;
-	DB_LSN *lsnp;
-	int redo;
-	void *info;
-{
-	__txn_xa_regop_args *argp;
-	int ret;
-
-#ifdef DEBUG_RECOVER
-	(void)__txn_xa_regop_print(logp, dbtp, lsnp, redo, info);
-#endif
-	COMPQUIET(redo, 0);
-	COMPQUIET(logp, NULL);
-
-	if ((ret = __txn_xa_regop_read(dbtp->data, &argp)) != 0)
-		return (ret);
-
-	if (argp->opcode != TXN_PREPARE)
-		ret = EINVAL;
-	else {
-		/*
-		 * Whether we are in XA or not, we need to call
-		 * __db_txnlist_find so that we update the maxid.
-		 * If this is an XA transaction, then we treat
-		 * prepares like commits so that we roll forward to
-		 * a point where we can handle commit/abort calls
-		 * from the TMS.  If this isn't XA, then a prepare
-		 * is treated like a No-op; we only care about the
-		 * commit.
-		 */
-		ret = __db_txnlist_find(info, argp->txnid->txnid);
-		if (IS_XA_TXN(argp) && ret == DB_NOTFOUND) {
-			/*
-			 * This is an XA prepared, but not yet committed
-			 * transaction.  We need to add it to the
-			 * transaction list, so that it gets rolled
-			 * forward. We also have to add it to the region's
-			 * internal state so it can be properly aborted
-			 * or recovered.
-			 */
-			ret = __db_txnlist_add(info, argp->txnid->txnid);
-			if (ret == 0)
-				ret = __txn_restore_txn(logp->dbenv,
-				    lsnp, argp);
-		}
-	}
-
-	if (ret == 0)
-		*lsnp = argp->prev_lsn;
-	__os_free(argp, 0);
-
-	return (ret);
-}
-
-/*
- * PUBLIC: int __txn_ckp_recover __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
- */
-int
-__txn_ckp_recover(logp, dbtp, lsnp, redo, info)
-	DB_LOG *logp;
-	DBT *dbtp;
-	DB_LSN *lsnp;
-	int redo;
-	void *info;
-{
-	__txn_ckp_args *argp;
-	int ret;
-
-#ifdef DEBUG_RECOVER
-	__txn_ckp_print(logp, dbtp, lsnp, redo, info);
-#endif
-	COMPQUIET(logp, NULL);
-
-	if ((ret = __txn_ckp_read(dbtp->data, &argp)) != 0)
-		return (ret);
-
-	/*
-	 * Check for 'restart' checkpoint record.  This occurs when the
-	 * checkpoint lsn is equal to the lsn of the checkpoint record
-	 * and means that we could set the transaction ID back to 1, so
-	 * that we don't exhaust the transaction ID name space.
-	 */
-	if (argp->ckp_lsn.file == lsnp->file &&
-	    argp->ckp_lsn.offset == lsnp->offset)
-		__db_txnlist_gen(info, redo ? -1 : 1);
-
-	*lsnp = argp->last_ckp;
-	__os_free(argp, 0);
-	return (DB_TXN_CKP);
-}
-
-/*
- * __txn_child_recover
- *	Recover a commit record for a child transaction.
- *
- * PUBLIC: int __txn_child_recover
- * PUBLIC:    __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
- */
-int
-__txn_child_recover(logp, dbtp, lsnp, redo, info)
-	DB_LOG *logp;
-	DBT *dbtp;
-	DB_LSN *lsnp;
-	int redo;
-	void *info;
-{
-	__txn_child_args *argp;
-	int ret;
-
-#ifdef DEBUG_RECOVER
-	(void)__txn_child_print(logp, dbtp, lsnp, redo, info);
-#endif
-	COMPQUIET(redo, 0);
-	COMPQUIET(logp, NULL);
-
-	if ((ret = __txn_child_read(dbtp->data, &argp)) != 0)
-		return (ret);
-
-	/*
-	 * We count the child as committed only if its parent committed.
-	 * So, if we are not yet in the transaction list, but our parent
-	 * is, then we should go ahead and commit.
-	 */
-	if (argp->opcode != TXN_COMMIT)
-		ret = EINVAL;
-	else
-		if (__db_txnlist_find(info, argp->parent) == 0 &&
-		    __db_txnlist_find(info, argp->txnid->txnid) == DB_NOTFOUND)
-			ret = __db_txnlist_add(info, argp->txnid->txnid);
-
-	if (ret == 0)
-		*lsnp = argp->prev_lsn;
-	__os_free(argp, 0);
-
-	return (ret);
-}
-
-/*
- * __txn_restore_txn --
- *	Using only during XA recovery.  If we find any transactions that are
- * prepared, but not yet committed, then we need to restore the transaction's
- * state into the shared region, because the TM is going to issue a txn_abort
- * or txn_commit and we need to respond correctly.
- *
- * lsnp is the LSN of the returned LSN
- * argp is the perpare record (in an appropriate structure)
- */
-static int
-__txn_restore_txn(dbenv, lsnp, argp)
-	DB_ENV *dbenv;
-	DB_LSN *lsnp;
-	__txn_xa_regop_args *argp;
-{
-	DB_TXNMGR *mgr;
-	TXN_DETAIL *td;
-	int ret;
-
-	if (argp->xid.size == 0)
-		return(0);
-
-	mgr = dbenv->tx_info;
-	LOCK_TXNREGION(mgr);
-
-	/* Allocate a new transaction detail structure. */
-	if ((ret = __db_shalloc(mgr->mem, sizeof(TXN_DETAIL), 0, &td)) != 0)
-		return (ret);
-
-	/* Place transaction on active transaction list. */
-	SH_TAILQ_INSERT_HEAD(&mgr->region->active_txn, td, links, __txn_detail);
-
-	td->txnid = argp->txnid->txnid;
-	td->begin_lsn = argp->begin_lsn;
-	td->last_lsn = *lsnp;
-	td->last_lock = 0;
-	td->parent = 0;
-	td->status = TXN_PREPARED;
-	td->xa_status = TXN_XA_PREPARED;
-	memcpy(td->xid, argp->xid.data, argp->xid.size);
-	td->bqual = argp->bqual;
-	td->gtrid = argp->gtrid;
-	td->format = argp->formatID;
-
-	UNLOCK_TXNREGION(mgr);
-	return (0);
-}
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