From bf7997b65c7887d2acda95f5201d818a19d81711 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Tue, 9 Jun 1998 15:16:55 +0000 Subject: Update. 1998-06-09 Ulrich Drepper * 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 * sysdeps/unix/sysv/linux/fstatvfs.c: Handle constant option string from mntent correctly. 1998-06-06 Andreas Jaeger * sunrpc/Makefile (generated): Correct typo. 1998-06-04 Philip Blundell * elf/elf.h (EM_ARM, et al.): New definitions. * sysdeps/arm/dl-machine.h: Update for new draft ARM ELF ABI. --- db2/db/db.c | 113 ++++++++++++++++++++++++++++++++++++------------------------ 1 file changed, 68 insertions(+), 45 deletions(-) (limited to 'db2/db/db.c') diff --git a/db2/db/db.c b/db2/db/db.c index 8df76349d1..9951ebd944 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 -#include #include -#include #include -#include #include #include -#include #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; /* @@ -454,22 +468,6 @@ empty: /* goto einval; } - /* - * 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)); -- cgit 1.4.1