glibc/db2/log/log_rec.c
Ulrich Drepper bf7997b65c Update.
1998-06-09  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/netinet/ip.h (struct ip_options): Define
	__data member only for gcc.  Reported by ak@muc.de.

	* misc/mntent.h: Undo last patch.
	* sysdeps/unix/sysv/linux/fstatvfs.c (fstatvfs): Undo last patch.
	* misc/tst/mntent.c: Adjust code for this change.

	* io/fts.c: Updated from a slightly more recent BSD version.
	* io/fts.h: Likewise.

	* libc.map: Add __libc_stack_end.

	* db2/Makefile (routines): Add lock_region.
	* db2/config.h: Update from db-2.4.14.
	* db2/db.h: Likewise.
	* db2/db_185.h: Likewise.
	* db2/db_int.h: Likewise.
	* db2/bt_close.c: Likewise.
	* db2/bt_compare.c: Likewise.
	* db2/bt_conv.c: Likewise.
	* db2/bt_cursor.c: Likewise.
	* db2/bt_delete.c: Likewise.
	* db2/bt_open.c: Likewise.
	* db2/bt_page.c: Likewise.
	* db2/bt_put.c: Likewise.
	* db2/bt_rec.c: Likewise.
	* db2/bt_recno.c: Likewise.
	* db2/bt_rsearch.c: Likewise.
	* db2/bt_search.c: Likewise.
	* db2/bt_split.c: Likewise.
	* db2/bt_stat.c: Likewise.
	* db2/btree.src: Likewise.
	* db2/btree_auto.c: Likewise.
	* db2/getlong.c: Likewise.
	* db2/db_appinit.c: Likewise.
	* db2/db_apprec.c: Likewise.
	* db2/db_byteorder.c: Likewise.
	* db2/db_err.c: Likewise.
	* db2/db_log2.c: Likewise.
	* db2/db_region.c: Likewise.
	* db2/db_salloc.c: Likewise.
	* db2/db_shash.c: Likewise.
	* db2/db.c: Likewise.
	* db2/db.src: Likewise.
	* db2/db_auto.c: Likewise.
	* db2/db_conv.c: Likewise.
	* db2/db_dispatch.c: Likewise.
	* db2/db_dup.c: Likewise.
	* db2/db_overflow.c: Likewise.
	* db2/db_pr.c: Likewise.
	* db2/db_rec.c: Likewise.
	* db2/db_ret.c: Likewise.
	* db2/db_thread.c: Likewise.
	* db2/db185.c: Likewise.
	* db2/db185_int.h: Likewise.
	* db2/dbm.c: Likewise.
	* db2/hash.c: Likewise.
	* db2/hash.src: Likewise.
	* db2/hash_auto.c: Likewise.
	* db2/hash_conv.c: Likewise.
	* db2/hash_debug.c: Likewise.
	* db2/hash_dup.c: Likewise.
	* db2/hash_func.c: Likewise.
	* db2/hash_page.c: Likewise.
	* db2/hash_rec.c: Likewise.
	* db2/hash_stat.c: Likewise.
	* db2/btree.h: Likewise.
	* db2/btree_ext.h: Likewise.
	* db2/clib_ext.h: Likewise.
	* db2/common_ext.h: Likewise.
	* db2/cxx_int.h: Likewise.
	* db2/db.h.src: Likewise.
	* db2/db_185.h.src: Likewise.
	* db2/db_am.h: Likewise.
	* db2/db_auto.h: Likewise.
	* db2/db_cxx.h: Likewise.
	* db2/db_dispatch.h: Likewise.
	* db2/db_ext.h: Likewise.
	* db2/db_int.h.src: Likewise.
	* db2/db_page.h: Likewise.
	* db2/db_shash.h: Likewise.
	* db2/db_swap.h: Likewise.
	* db2/hash.h: Likewise.
	* db2/hash_ext.h: Likewise.
	* db2/lock.h: Likewise.
	* db2/lock_ext.h: Likewise.
	* db2/log.h: Likewise.
	* db2/log_ext.h: Likewise.
	* db2/mp.h: Likewise.
	* db2/mp_ext.h: Likewise.
	* db2/mutex_ext.h: Likewise.
	* db2/os_ext.h: Likewise.
	* db2/os_func.h: Likewise.
	* db2/queue.h: Likewise.
	* db2/shqueue.h: Likewise.
	* db2/txn.h: Likewise.
	* db2/lock.c: Likewise.
	* db2/lock_conflict.c: Likewise.
	* db2/lock_deadlock.c: Likewise.
	* db2/lock_region.c: Likewise.
	* db2/lock_util.c: Likewise.
	* db2/log.c: Likewise.
	* db2/log.src: Likewise.
	* db2/log_archive.c: Likewise.
	* db2/log_auto.c: Likewise.
	* db2/log_compare.c: Likewise.
	* db2/log_findckp.c: Likewise.
	* db2/log_get.c: Likewise.
	* db2/log_put.c: Likewise.
	* db2/log_rec.c: Likewise.
	* db2/log_register.c: Likewise.
	* db2/mp_bh.c: Likewise.
	* db2/mp_fget.c: Likewise.
	* db2/mp_fopen.c: Likewise.
	* db2/mp_fput.c: Likewise.
	* db2/mp_fset.c: Likewise.
	* db2/mp_open.c: Likewise.
	* db2/mp_pr.c: Likewise.
	* db2/mp_region.c: Likewise.
	* db2/mp_sync.c: Likewise.
	* db2/68020.gcc: Likewise.
	* db2/mutex.c: Likewise.
	* db2/parisc.gcc: Likewise.
	* db2/parisc.hp: Likewise.
	* db2/sco.cc: Likewise.
	* db2/os_abs.c: Likewise.
	* db2/os_alloc.c: Likewise.
	* db2/os_config.c: Likewise.
	* db2/os_dir.c: Likewise.
	* db2/os_fid.c: Likewise.
	* db2/os_fsync.c: Likewise.
	* db2/os_map.c: Likewise.
	* db2/os_oflags.c: Likewise.
	* db2/os_open.c: Likewise.
	* db2/os_rpath.c: Likewise.
	* db2/os_rw.c: Likewise.
	* db2/os_seek.c: Likewise.
	* db2/os_sleep.c: Likewise.
	* db2/os_spin.c: Likewise.
	* db2/os_stat.c: Likewise.
	* db2/os_unlink.c: Likewise.
	* db2/db_archive.c: Likewise.
	* db2/db_checkpoint.c: Likewise.
	* db2/db_deadlock.c: Likewise.
	* db2/db_dump.c: Likewise.
	* db2/db_dump185.c: Likewise.
	* db2/db_load.c: Likewise.
	* db2/db_printlog.c: Likewise.
	* db2/db_recover.c: Likewise.
	* db2/db_stat.c: Likewise.
	* db2/txn.c: Likewise.
	* db2/txn.src: Likewise.
	* db2/txn_auto.c: Likewise.
	* db2/txn_rec.c: Likewise.

	* elf/rtld.c: Move definition of __libc_stack_end to ...
	* sysdeps/generic/dl-sysdep.h: ...here.

	* sysdeps/unix/sysv/linux/fstatvfs.c: Handle nodiratime option.
	* sysdeps/unix/sysv/linux/bits/statvfs.h: Define ST_NODIRATIME.
	* sysdeps/unix/sysv/linux/sys/mount.h: Define MS_NODIRATIME.

1998-06-08 21:44  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/fstatvfs.c: Handle constant option string
	from mntent correctly.

1998-06-06  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sunrpc/Makefile (generated): Correct typo.

1998-06-04  Philip Blundell  <philb@gnu.org>

	* elf/elf.h (EM_ARM, et al.): New definitions.
	* sysdeps/arm/dl-machine.h: Update for new draft ARM ELF ABI.
1998-06-09 15:16:55 +00:00

317 lines
7.9 KiB
C

/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1996, 1997, 1998
* Sleepycat Software. All rights reserved.
*/
/*
* Copyright (c) 1995, 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[] = "@(#)log_rec.c 10.20 (Sleepycat) 4/28/98";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#include <errno.h>
#include <string.h>
#endif
#include "db_int.h"
#include "shqueue.h"
#include "log.h"
#include "db_dispatch.h"
#include "common_ext.h"
static int __log_open_file __P((DB_LOG *,
u_int8_t *, char *, DBTYPE, u_int32_t));
/*
* PUBLIC: int __log_register_recover
* PUBLIC: __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
*/
int
__log_register_recover(logp, dbtp, lsnp, redo, info)
DB_LOG *logp;
DBT *dbtp;
DB_LSN *lsnp;
int redo;
void *info;
{
__log_register_args *argp;
int ret;
#ifdef DEBUG_RECOVER
__log_register_print(logp, dbtp, lsnp, redo, info);
#endif
COMPQUIET(info, NULL);
COMPQUIET(lsnp, NULL);
F_SET(logp, DB_AM_RECOVER);
if ((ret = __log_register_read(dbtp->data, &argp)) != 0)
goto out;
if ((argp->opcode == LOG_CHECKPOINT && redo == TXN_OPENFILES) ||
(argp->opcode == LOG_OPEN &&
(redo == TXN_REDO || redo == TXN_OPENFILES ||
redo == TXN_FORWARD_ROLL)) ||
(argp->opcode == LOG_CLOSE &&
(redo == TXN_UNDO || redo == TXN_BACKWARD_ROLL))) {
/*
* If we are redoing an open or undoing a close, then we need
* to open a file.
*/
ret = __log_open_file(logp,
argp->uid.data, argp->name.data, argp->ftype, argp->id);
if (ret == ENOENT) {
if (redo == TXN_OPENFILES)
__db_err(logp->dbenv,
"warning: file %s not found",
argp->name.data);
ret = 0;
}
} else if (argp->opcode != LOG_CHECKPOINT) {
/*
* If we are redoing a close or undoing an open, then we need
* to close the file.
*
* If the file is deleted, then we can just ignore this close.
* Otherwise, we'd better have a valid dbp that we should either
* close or whose reference count should be decremented.
*/
LOCK_LOGTHREAD(logp);
if (logp->dbentry[argp->id].dbp == NULL) {
if (!logp->dbentry[argp->id].deleted)
ret = EINVAL;
} else if (--logp->dbentry[argp->id].refcount == 0) {
F_SET(logp->dbentry[argp->id].dbp, DB_AM_RECOVER);
ret = logp->dbentry[argp->id].dbp->close(
logp->dbentry[argp->id].dbp, 0);
logp->dbentry[argp->id].dbp = NULL;
}
UNLOCK_LOGTHREAD(logp);
}
out: F_CLR(logp, DB_AM_RECOVER);
if (argp != NULL)
__db_free(argp);
return (ret);
}
/* Hand coded routines. */
/*
* Called during log_register recovery. Make sure that we have an
* entry in the dbentry table for this ndx.
* Returns 0 on success, non-zero on error.
*/
static int
__log_open_file(lp, uid, name, ftype, ndx)
DB_LOG *lp;
u_int8_t *uid;
char *name;
DBTYPE ftype;
u_int32_t ndx;
{
DB *dbp;
int ret;
LOCK_LOGTHREAD(lp);
if (ndx < lp->dbentry_cnt &&
(lp->dbentry[ndx].deleted == 1 || lp->dbentry[ndx].dbp != NULL)) {
lp->dbentry[ndx].refcount++;
UNLOCK_LOGTHREAD(lp);
return (0);
}
UNLOCK_LOGTHREAD(lp);
/* Need to open file. */
dbp = NULL;
if ((ret = db_open(name, ftype, 0, 0, lp->dbenv, NULL, &dbp)) == 0) {
/*
* Verify that we are opening the same file that we were
* referring to when we wrote this log record.
*/
if (memcmp(uid, dbp->lock.fileid, DB_FILE_ID_LEN) != 0) {
(void)dbp->close(dbp, 0);
dbp = NULL;
ret = ENOENT;
}
}
if (ret == 0 || ret == ENOENT)
(void)__log_add_logid(lp, dbp, ndx);
return (ret);
}
/*
* This function returns:
* 0 SUCCESS (the entry was not previously set and is now set or the
* entry was previously set and we just inced the ref count.
* >0 on system error (returns errno value).
* PUBLIC: int __log_add_logid __P((DB_LOG *, DB *, u_int32_t));
*/
int
__log_add_logid(logp, dbp, ndx)
DB_LOG *logp;
DB *dbp;
u_int32_t ndx;
{
DB_ENTRY *temp_entryp;
u_int32_t i;
int ret;
ret = 0;
LOCK_LOGTHREAD(logp);
/*
* Check if we need to grow the table.
*/
if (logp->dbentry_cnt <= ndx) {
if (logp->dbentry_cnt == 0) {
logp->dbentry = (DB_ENTRY *)
__db_malloc(DB_GROW_SIZE * sizeof(DB_ENTRY));
if (logp->dbentry == NULL) {
ret = ENOMEM;
goto err;
}
} else {
temp_entryp = (DB_ENTRY *)__db_realloc(logp->dbentry,
(DB_GROW_SIZE + logp->dbentry_cnt) *
sizeof(DB_ENTRY));
if (temp_entryp == NULL) {
ret = ENOMEM;
goto err;
}
logp->dbentry = temp_entryp;
}
/* Initialize the new entries. */
for (i = logp->dbentry_cnt;
i < logp->dbentry_cnt + DB_GROW_SIZE; i++) {
logp->dbentry[i].dbp = NULL;
logp->dbentry[i].deleted = 0;
}
logp->dbentry_cnt += DB_GROW_SIZE;
}
if (logp->dbentry[ndx].deleted == 0 && logp->dbentry[ndx].dbp == NULL) {
logp->dbentry[ndx].dbp = dbp;
logp->dbentry[ndx].refcount = 1;
logp->dbentry[ndx].deleted = dbp == NULL;
} else
logp->dbentry[ndx].refcount++;
err: UNLOCK_LOGTHREAD(logp);
return (ret);
}
/*
* __db_fileid_to_db --
* Return the DB corresponding to the specified fileid.
*
* PUBLIC: int __db_fileid_to_db __P((DB_LOG *, DB **, u_int32_t));
*/
int
__db_fileid_to_db(logp, dbpp, ndx)
DB_LOG *logp;
DB **dbpp;
u_int32_t ndx;
{
int ret;
ret = 0;
LOCK_LOGTHREAD(logp);
/*
* Return DB_DELETED if the file has been deleted
* (it's not an error).
*/
if (logp->dbentry[ndx].deleted) {
ret = DB_DELETED;
goto err;
}
/*
* Otherwise return 0, but if we don't have a corresponding DB,
* it's an error.
*/
if ((*dbpp = logp->dbentry[ndx].dbp) == NULL)
ret = ENOENT;
err: UNLOCK_LOGTHREAD(logp);
return (ret);
}
/*
* Close files that were opened by the recovery daemon.
*
* PUBLIC: void __log_close_files __P((DB_LOG *));
*/
void
__log_close_files(logp)
DB_LOG *logp;
{
u_int32_t i;
LOCK_LOGTHREAD(logp);
for (i = 0; i < logp->dbentry_cnt; i++)
if (logp->dbentry[i].dbp)
logp->dbentry[i].dbp->close(logp->dbentry[i].dbp, 0);
UNLOCK_LOGTHREAD(logp);
}
/*
* PUBLIC: void __log_rem_logid __P((DB_LOG *, u_int32_t));
*/
void
__log_rem_logid(logp, ndx)
DB_LOG *logp;
u_int32_t ndx;
{
LOCK_LOGTHREAD(logp);
if (--logp->dbentry[ndx].refcount == 0) {
logp->dbentry[ndx].dbp = NULL;
logp->dbentry[ndx].deleted = 0;
}
UNLOCK_LOGTHREAD(logp);
}