diff options
author | Ulrich Drepper <drepper@redhat.com> | 1997-09-05 01:43:20 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1997-09-05 01:43:20 +0000 |
commit | 26b4d7667169f8db26fd8194b3c498ec58e50f90 (patch) | |
tree | 491a6edd9fe8961fe781a50c39517dae8a35321d /db2/common/db_apprec.c | |
parent | 800d775e426b9c0af63f711b79b09bf540c97456 (diff) | |
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Update.cvs/libc-ud-970904
1997-09-05 03:15 Ulrich Drepper <drepper@cygnus.com>
* Makefile (subdirs): Reorganize order so that nss follows add-ons.
* config.make.in (LDAP): Add.
* configure.in: Prepare for ldap add-on.
* shlib-versions: Add version numbers for ldap NSS module.
* nss/Makefile: Add rules to build ldap NSS module.
* db/btree/bt_page.c (__bt_free): Update meta data information.
Update db from db-2.3.6.
* db2/db.h: Updated.
* db2/btree/bt_close.c: Updated.
* db2/btree/bt_compare.c: Updated.
* db2/btree/bt_conv.c: Updated.
* db2/btree/bt_cursor.c: Updated.
* db2/btree/bt_delete.c: Updated.
* db2/btree/bt_put.c: Updated.
* db2/btree/bt_rec.c: Updated.
* db2/btree/bt_recno.c: Updated.
* db2/btree/bt_search.c: Updated.
* db2/btree/bt_split.c: Updated.
* db2/btree/bt_stat.c: Updated.
* db2/common/db_appinit.c: Updated.
* db2/common/db_apprec.c: Updated.
* db2/common/db_byteorder.c: Updated.
* db2/common/db_err.c: Updated.
* db2/common/db_region.c: Updated.
* db2/db/db.c: Updated.
* db2/db/db_conv.c: Updated.
* db2/db/db_dup.c: Updated.
* db2/db/db_pr.c: Updated.
* db2/db/db_ret.c: Updated.
* db2/db185/db185.c: Updated.
* db2/dbm/dbm.c: Updated.
* db2/hash/hash_dup.c: Updated.
* db2/include/db_am.h: Updated.
* db2/include/db_page.h: Updated.
* db2/include/mp.h: Updated.
* db2/include/queue.h: Updated.
* db2/log/log.c: Updated.
* db2/log/log_findckp.c: Updated.
* db2/log/log_get.c: Updated.
* db2/log/log_rec.c: Updated.
* db2/mp/mp_bh.c: Updated.
* db2/mp/mp_fopen.c: Updated.
* db2/mp/mp_pr.c: Updated.
* db2/mp/mp_sync.c: Updated.
* db2/mutex/x86.gcc: Updated.
* db2/os/db_os_dir.c: Updated.
* db2/os/db_os_fid.c: Updated.
* db2/progs/db_archive/db_archive.c: Updated.
* db2/progs/db_checkpoint/db_checkpoint.c: Updated.
* db2/progs/db_deadlock/db_deadlock.c: Updated.
* db2/progs/db_dump/db_dump.c: Updated.
* db2/progs/db_dump185/db_dump185.c: Updated.
* db2/progs/db_load/db_load.c: Updated.
* db2/progs/db_printlog/db_printlog.c: Updated.
* db2/progs/db_recover/db_recover.c: Updated.
* db2/progs/db_stat/db_stat.c: Updated.
* db2/txn/txn.c: Updated.
* db2/txn/txn_rec.c: Updated.
* db2/Makefile: Add rule to build db_printlog.
* db2/config.h: Don't include endian.h and don't define
WORDS_BIGENDIAN. Only define HAVE_ENDIAN_H.
* elf/dl-open.c (_dl_open): Make thread-safe.
* elf/dl-close.c (_dl_close): Likewise.
* elf/dlclose.c: Pretty print.
* elf/dl-version.c (make_string): Use __strdup not strdup.
(find_needed): Don't use l_searchlist of _dl_loaded, use the
l_next list.
* elf/dl-deps.c (_dl_map_object_deps): Remove variable head.
* manual/math.texi: Add note about == and != for FP values.
* manual/message.texi: Mention problems with relative paths and
binstextdomain.
* manual/string.texi: Mark strdupa and strndupa correctly as macros.
* sunrpc/Makefile (CFLAGS-xkey_prot.c): Define to prevent warnings.
* sunrpc/rpc_cout.c: Avoid needless races around return value.
* sysdeps/generic/stpcpy.c: Include <config.h> if wanted.
Update from tzdata-1997h.
* time/africa: Updated.
* time/europe: Updated.
* time/iso3166.tab: Updated.
* time/northamerica: Updated.
* time/southamerica: Updated.
* time/zone.tab: Updated.
1997-09-04 13:19 Richard Henderson <rth@cygnus.com>
* sysdeps/alpha/w_sqrt.S: Removed.
* sysdeps/alpha/fpu/e_sqrt.c: New. Obey -mieee and -mieee-with-inexact
and build a version that is as fast as possible given the constraint.
1997-08-30 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* manual/maint.texi: Document some defaults for configuration
parameters.
1997-09-04 15:57 Ulrich Drepper <drepper@cygnus.com>
* termios/cfsetspeed.c (cfsetspeed): Change return value to int.
* termios/termios.h: Change prototype accordingly.
Reported by Andreas Jaeger <aj@arthur.rhein-neckar.de>.
1997-07-26 14:42 H.J. Lu <hjl@gnu.ai.mit.edu>
* libio/stdfiles.c (_libio_using_thunks): Define if
_G_USING_THUNKS is defined.
* libio/_G_config.h: Moved to ...
* sysdeps/generic/_G_config.h: ...here.
* sysdeps/unix/sysv/linux/_G_config.h: New,
Add vtable thunks support.
1997-09-02 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/m68k/Makefile (pic-ccflag): Override it for more
efficient code (together with a change in gcc).
* Makeconfig (pic-ccflag): New variable.
(CFLAGS-.os): Use it instead of hardcoding -fPIC.
1997-09-02 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use
_dl_start instead of a local label, to avoid getting an unreadable
label name.
1997-09-02 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* nss/Makefile ($(objpfx)libnss_db.so): Use $(dbobjdir) to find
libdb.so.
* Makeconfig (dbobjdir): Use db2.
1997-08-31 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* manual/maint.texi (Porting to Unix): Update description of the
implementation of Unix system calls.
(Contributors): Use real umlaut in tege's name.
1997-08-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/libm-ieee754/w_gamma.c: Make compilable with
_IEEE_LIBM.
* sysdeps/libm-ieee754/w_gammaf.c: Likewise.
* sysdeps/libm-ieee754/w_gammal.c: Likewise.
Diffstat (limited to 'db2/common/db_apprec.c')
-rw-r--r-- | db2/common/db_apprec.c | 98 |
1 files changed, 65 insertions, 33 deletions
diff --git a/db2/common/db_apprec.c b/db2/common/db_apprec.c index b22b0c5e9a..2e94673731 100644 --- a/db2/common/db_apprec.c +++ b/db2/common/db_apprec.c @@ -11,7 +11,7 @@ static const char copyright[] = "@(#) Copyright (c) 1997\n\ Sleepycat Software Inc. All rights reserved.\n"; -static const char sccsid[] = "@(#)db_apprec.c 10.15 (Sleepycat) 7/27/97"; +static const char sccsid[] = "@(#)db_apprec.c 10.16 (Sleepycat) 8/27/97"; #endif #ifndef NO_SYSTEM_INCLUDES @@ -19,6 +19,7 @@ static const char sccsid[] = "@(#)db_apprec.c 10.15 (Sleepycat) 7/27/97"; #include <time.h> #include <string.h> +#include <stdlib.h> #endif #include "db_int.h" @@ -30,6 +31,12 @@ static const char sccsid[] = "@(#)db_apprec.c 10.15 (Sleepycat) 7/27/97"; #include "txn.h" #include "common_ext.h" +#define FREE_DBT(L, D) { \ + if (F_ISSET((L), DB_AM_THREAD) && (D).data != NULL) \ + free((D).data); \ + (D).data = NULL; \ + } \ + /* * __db_apprec -- * Perform recovery. @@ -45,30 +52,34 @@ __db_apprec(dbenv, flags) DB_LOG *lp; DB_LSN ckp_lsn, first_lsn, lsn, tmp_lsn; time_t now; - int first_flag, ret, tret; + int first_flag, ret; void *txninfo; - ZERO_LSN(ckp_lsn); - /* Initialize the transaction list. */ if ((ret = __db_txnlist_init(&txninfo)) != 0) return (ret); /* - * Read forward through the log opening the appropriate files - * so that we can call recovery routines. In general, we start - * at the last checkpoint prior to the last checkpointed LSN. - * For catastrophic recovery, we begin at the first LSN that - * appears in any log file (log figures this out for us when - * we pass it the DB_FIRST flag). + * Read forward through the log, opening the appropriate files so that + * we can call recovery routines. In general, we start at the last + * checkpoint prior to the last checkpointed LSN. For catastrophic + * recovery, we begin at the first LSN that appears in any log file + * (log_get figures this out for us when we pass it the DB_FIRST flag). */ lp = dbenv->lg_info; if (LF_ISSET(DB_RECOVER_FATAL)) first_flag = DB_FIRST; - else - first_flag = __log_findckp(lp, &lsn) != 0 ? DB_FIRST : DB_SET; + else { + if ((ret = __log_findckp(lp, &lsn)) == DB_NOTFOUND) + return (0); + first_flag = DB_SET; + } + /* If we're a threaded application, we have to allocate space. */ memset(&data, 0, sizeof(data)); + if (F_ISSET(lp, DB_AM_THREAD)) + F_SET(&data, DB_DBT_MALLOC); + if ((ret = log_get(lp, &lsn, &data, first_flag)) != 0) { __db_err(dbenv, "Failure: unable to get log record"); if (first_flag == DB_SET) @@ -80,35 +91,55 @@ __db_apprec(dbenv, flags) } first_lsn = lsn; - for (; ret == 0; - ret = log_get(dbenv->lg_info, &lsn, &data, DB_NEXT)) - if ((tret = __db_dispatch(lp, - &data, &lsn, TXN_OPENFILES, txninfo)) < 0) { - ret = tret; + for (;;) { + ret = __db_dispatch(lp, &data, &lsn, TXN_OPENFILES, txninfo); + FREE_DBT(lp, data); + if (ret != 0 && ret != DB_TXN_CKP) goto msgerr; + if ((ret = + log_get(dbenv->lg_info, &lsn, &data, DB_NEXT)) != 0) { + if (ret != DB_NOTFOUND) + goto err; + break; } + } + FREE_DBT(lp, data); + /* + * Initialize the ckp_lsn to 0,0. If we never find a valid + * checkpoint in the log, then leaving ckp_lsn at 0,0 is correct. + */ + ZERO_LSN(ckp_lsn); for (ret = log_get(lp, &lsn, &data, DB_LAST); ret == 0 && log_compare(&lsn, &first_lsn) > 0; ret = log_get(lp,&lsn, &data, DB_PREV)) { tmp_lsn = lsn; - tret = - __db_dispatch(lp, &data, &lsn, TXN_BACKWARD_ROLL, txninfo); - if (IS_ZERO_LSN(ckp_lsn) && tret > 0) - ckp_lsn = tmp_lsn; - if (tret < 0) { - ret = tret; + ret = __db_dispatch(lp, + &data, &lsn, TXN_BACKWARD_ROLL, txninfo); + FREE_DBT(lp, data); + if (ret == DB_TXN_CKP) { + if (IS_ZERO_LSN(ckp_lsn)) + ckp_lsn = tmp_lsn; + ret = 0; + } else if (ret != 0) goto msgerr; - } } + FREE_DBT(lp, data); + if (ret != 0 && ret != DB_NOTFOUND) + goto err; for (ret = log_get(lp, &lsn, &data, DB_NEXT); - ret == 0; ret = log_get(lp, &lsn, &data, DB_NEXT)) - if ((tret = __db_dispatch(lp, - &data, &lsn, TXN_FORWARD_ROLL, txninfo)) < 0) { - ret = tret; + ret == 0; ret = log_get(lp, &lsn, &data, DB_NEXT)) { + ret = __db_dispatch(lp, &data, &lsn, TXN_FORWARD_ROLL, txninfo); + FREE_DBT(lp, data); + if (ret == DB_TXN_CKP) + ret = 0; + else if (ret != 0) goto msgerr; - } + } + FREE_DBT(lp, data); + if (ret != DB_NOTFOUND) + goto err; /* Now close all the db files that are open. */ __log_close_files(lp); @@ -118,11 +149,11 @@ __db_apprec(dbenv, flags) * and the current time. Then take a checkpoint. */ (void)time(&now); - dbenv->tx_info->region->last_txnid = ((__db_txnhead *)txninfo)->maxid; dbenv->tx_info->region->last_ckp = ckp_lsn; - dbenv->tx_info->region->time_ckp = (u_int32_t) now; - txn_checkpoint(dbenv->tx_info, 0, 0); + dbenv->tx_info->region->time_ckp = (u_int32_t)now; + if ((ret = txn_checkpoint(dbenv->tx_info, 0, 0)) != 0) + goto err; if (dbenv->db_verbose) { __db_err(lp->dbenv, "Recovery complete at %s", ctime(&now)); @@ -139,5 +170,6 @@ __db_apprec(dbenv, flags) msgerr: __db_err(dbenv, "Recovery function for LSN %lu %lu failed", (u_long)lsn.file, (u_long)lsn.offset); -err: return (ret); +err: FREE_DBT(lp, data); + return (ret); } |