aboutsummaryrefslogtreecommitdiff
path: root/db2/db/db.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>1998-06-09 15:16:55 +0000
committerUlrich Drepper <drepper@redhat.com>1998-06-09 15:16:55 +0000
commitbf7997b65c7887d2acda95f5201d818a19d81711 (patch)
treeda3583de3a0b5892f90a4b1eb773a87b554ae37e /db2/db/db.c
parent7646e67e6cc4c738a7b402c60fed39d52db0433b (diff)
downloadglibc-bf7997b65c7887d2acda95f5201d818a19d81711.zip
glibc-bf7997b65c7887d2acda95f5201d818a19d81711.tar.gz
glibc-bf7997b65c7887d2acda95f5201d818a19d81711.tar.bz2
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.
Diffstat (limited to 'db2/db/db.c')
-rw-r--r--db2/db/db.c113
1 files changed, 68 insertions, 45 deletions
diff --git a/db2/db/db.c b/db2/db/db.c
index 8df7634..9951ebd 100644
--- a/db2/db/db.c
+++ b/db2/db/db.c
@@ -1,7 +1,7 @@
/*-
* See the file LICENSE for redistribution information.
*
- * Copyright (c) 1996, 1997
+ * Copyright (c) 1996, 1997, 1998
* Sleepycat Software. All rights reserved.
*/
/*
@@ -44,20 +44,16 @@
#include "config.h"
#ifndef lint
-static const char sccsid[] = "@(#)db.c 10.45 (Sleepycat) 12/4/97";
+static const char sccsid[] = "@(#)db.c 10.57 (Sleepycat) 5/7/98";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
-#include <sys/stat.h>
#include <errno.h>
-#include <fcntl.h>
#include <stddef.h>
-#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <unistd.h>
#endif
#include "db_int.h"
@@ -71,7 +67,7 @@ static const char sccsid[] = "@(#)db.c 10.45 (Sleepycat) 12/4/97";
#include "db_am.h"
#include "common_ext.h"
-static int db_close __P((DB *, int));
+static int db_close __P((DB *, u_int32_t));
static int db_fd __P((DB *, int *));
/*
@@ -99,7 +95,8 @@ int
db_open(fname, type, flags, mode, dbenv, dbinfo, dbpp)
const char *fname;
DBTYPE type;
- int flags, mode;
+ u_int32_t flags;
+ int mode;
DB_ENV *dbenv;
DB_INFO *dbinfo;
DB **dbpp;
@@ -108,6 +105,7 @@ db_open(fname, type, flags, mode, dbenv, dbinfo, dbpp)
DB *dbp;
DBT pgcookie;
DB_ENV *envp, t_dbenv;
+ DB_MPOOL_FINFO finfo;
DB_PGINFO pginfo;
HASHHDR *hashm;
size_t cachesize;
@@ -125,10 +123,26 @@ db_open(fname, type, flags, mode, dbenv, dbinfo, dbpp)
if ((ret = __db_fchk(dbenv, "db_open", flags, OKFLAGS)) != 0)
return (ret);
- if (dbenv != NULL &&
- LF_ISSET(DB_THREAD) && !F_ISSET(dbenv, DB_ENV_THREAD)) {
- __db_err(dbenv, "environment not created using DB_THREAD");
- return (EINVAL);
+ if (dbenv != NULL) {
+ /*
+ * You can't specify threads during the db_open() if the
+ * environment wasn't configured with them.
+ */
+ if (LF_ISSET(DB_THREAD) && !F_ISSET(dbenv, DB_ENV_THREAD)) {
+ __db_err(dbenv,
+ "environment not created using DB_THREAD");
+ return (EINVAL);
+ }
+
+ /*
+ * Specifying a cachesize to db_open(3), after creating an
+ * environment, is a common mistake.
+ */
+ if (dbinfo != NULL && dbinfo->db_cachesize != 0) {
+ __db_err(dbenv,
+ "cachesize will be ignored if environment exists");
+ return (EINVAL);
+ }
}
/* Initialize for error return. */
@@ -203,7 +217,7 @@ db_open(fname, type, flags, mode, dbenv, dbinfo, dbpp)
/* Fill in the default file mode. */
if (mode == 0)
- mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP;
+ mode = __db_omode("rwrw--");
/* Check if the user wants us to swap byte order. */
if (dbinfo != NULL)
@@ -230,7 +244,7 @@ db_open(fname, type, flags, mode, dbenv, dbinfo, dbpp)
if (fname != NULL && fname[0] != '\0') {
/* Get the real file name. */
if ((ret = __db_appname(dbenv,
- DB_APP_DATA, NULL, fname, NULL, &real_name)) != 0)
+ DB_APP_DATA, NULL, fname, 0, NULL, &real_name)) != 0)
goto err;
/*
@@ -455,22 +469,6 @@ empty: /*
}
/*
- * Set and/or correct the cache size; must be a multiple of the
- * page size.
- */
- if (dbinfo == NULL || dbinfo->db_cachesize == 0)
- cachesize = dbp->pgsize * DB_MINCACHE;
- else {
- cachesize = dbinfo->db_cachesize;
- if (cachesize & (dbp->pgsize - 1))
- cachesize += (~cachesize & (dbp->pgsize - 1)) + 1;
- if (cachesize < dbp->pgsize * DB_MINCACHE)
- cachesize = dbp->pgsize * DB_MINCACHE;
- if (cachesize < 20 * 1024)
- cachesize = 20 * 1024;
- }
-
- /*
* If no mpool supplied by the application, attach to a local,
* created buffer pool.
*
@@ -499,10 +497,28 @@ empty: /*
envp = dbenv;
restore = 1;
}
+
+ /*
+ * Set and/or correct the cache size; must be a multiple of
+ * the page size.
+ */
+ if (dbinfo == NULL || dbinfo->db_cachesize == 0)
+ cachesize = dbp->pgsize * DB_MINCACHE;
+ else {
+ cachesize = dbinfo->db_cachesize;
+ if (cachesize & (dbp->pgsize - 1))
+ cachesize +=
+ (~cachesize & (dbp->pgsize - 1)) + 1;
+ if (cachesize < dbp->pgsize * DB_MINCACHE)
+ cachesize = dbp->pgsize * DB_MINCACHE;
+ if (cachesize < 20 * 1024)
+ cachesize = 20 * 1024;
+ }
envp->mp_size = cachesize;
+
if ((ret = memp_open(NULL, DB_CREATE | DB_MPOOL_PRIVATE |
(F_ISSET(dbp, DB_AM_THREAD) ? DB_THREAD : 0),
- S_IRUSR | S_IWUSR, envp, &dbp->mp)) != 0)
+ __db_omode("rw----"), envp, &dbp->mp)) != 0)
goto err;
if (restore)
*dbenv = t_dbenv;
@@ -566,9 +582,18 @@ empty: /*
pgcookie.data = &pginfo;
pgcookie.size = sizeof(DB_PGINFO);
- if ((ret = memp_fopen(dbp->mp, fname, ftype,
- F_ISSET(dbp, DB_AM_RDONLY) ? DB_RDONLY : 0, 0, dbp->pgsize,
- 0, &pgcookie, dbp->lock.fileid, &dbp->mpf)) != 0)
+ /*
+ * Set up additional memp_fopen information.
+ */
+ memset(&finfo, 0, sizeof(finfo));
+ finfo.ftype = ftype;
+ finfo.pgcookie = &pgcookie;
+ finfo.fileid = dbp->lock.fileid;
+ finfo.lsn_offset = 0;
+ finfo.clear_len = DB_PAGE_CLEAR_LEN;
+ if ((ret = memp_fopen(dbp->mp, fname,
+ F_ISSET(dbp, DB_AM_RDONLY) ? DB_RDONLY : 0,
+ 0, dbp->pgsize, &finfo, &dbp->mpf)) != 0)
goto err;
/*
@@ -673,7 +698,7 @@ err: /* Close the file descriptor. */
static int
db_close(dbp, flags)
DB *dbp;
- int flags;
+ u_int32_t flags;
{
DBC *dbc;
DB *tdbp;
@@ -734,7 +759,7 @@ db_close(dbp, flags)
}
/* Sync the memory pool. */
- if ((t_ret = memp_fsync(dbp->mpf)) != 0 &&
+ if (!LF_ISSET(DB_NOSYNC) && (t_ret = memp_fsync(dbp->mpf)) != 0 &&
t_ret != DB_INCOMPLETE && ret == 0)
ret = t_ret;
@@ -796,18 +821,11 @@ db_fd(dbp, fdp)
DB *dbp;
int *fdp;
{
- /* In-memory database can't have a file descriptor. */
- if (F_ISSET(dbp, DB_AM_INMEM))
- return (ENOENT);
-
/*
* XXX
- * Truly spectacular layering violation. As we don't open the
- * underlying file until we need it, it may not be initialized.
+ * Truly spectacular layering violation.
*/
- if ((*fdp = dbp->mpf->fd) == -1)
- return (ENOENT);
- return (0);
+ return (__mp_xxx_fd(dbp->mpf, fdp));
}
/*
@@ -821,6 +839,11 @@ __db_pgerr(dbp, pgno)
DB *dbp;
db_pgno_t pgno;
{
+ /*
+ * Three things are certain:
+ * Death, taxes, and lost data.
+ * Guess which has occurred.
+ */
__db_err(dbp->dbenv,
"unable to create/retrieve page %lu", (u_long)pgno);
return (__db_panic(dbp));