From 26b4d7667169f8db26fd8194b3c498ec58e50f90 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Fri, 5 Sep 1997 01:43:20 +0000 Subject: Update. 1997-09-05 03:15 Ulrich Drepper * 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 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 * 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 * manual/maint.texi: Document some defaults for configuration parameters. 1997-09-04 15:57 Ulrich Drepper * termios/cfsetspeed.c (cfsetspeed): Change return value to int. * termios/termios.h: Change prototype accordingly. Reported by Andreas Jaeger . 1997-07-26 14:42 H.J. Lu * 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 * 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 * 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 * nss/Makefile ($(objpfx)libnss_db.so): Use $(dbobjdir) to find libdb.so. * Makeconfig (dbobjdir): Use db2. 1997-08-31 Andreas Schwab * 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 * 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. --- db2/mp/mp_bh.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++---- db2/mp/mp_fopen.c | 4 ++-- db2/mp/mp_pr.c | 2 +- db2/mp/mp_sync.c | 14 ++++++++----- 4 files changed, 67 insertions(+), 12 deletions(-) (limited to 'db2/mp') diff --git a/db2/mp/mp_bh.c b/db2/mp/mp_bh.c index e1b68ce450..3d0d053b5f 100644 --- a/db2/mp/mp_bh.c +++ b/db2/mp/mp_bh.c @@ -7,7 +7,7 @@ #include "config.h" #ifndef lint -static const char sccsid[] = "@(#)mp_bh.c 10.12 (Sleepycat) 8/20/97"; +static const char sccsid[] = "@(#)mp_bh.c 10.15 (Sleepycat) 8/29/97"; #endif /* not lint */ #ifndef NO_SYSTEM_INCLUDES @@ -24,6 +24,8 @@ static const char sccsid[] = "@(#)mp_bh.c 10.12 (Sleepycat) 8/20/97"; #include "mp.h" #include "common_ext.h" +static int __memp_upgrade __P((DB_MPOOL *, DB_MPOOLFILE *, MPOOLFILE *)); + /* * __memp_bhwrite -- * Write the page associated with a given bucket header. @@ -48,14 +50,20 @@ __memp_bhwrite(dbmp, mfp, bhp, restartp, wrotep) *wrotep = 0; /* - * Walk the process' DB_MPOOLFILE list and try and find a file - * descriptor for this file. + * Walk the process' DB_MPOOLFILE list and find a file descriptor for + * the file. We also check that the descriptor is open for writing. + * If we find a descriptor on the file that's not open for writing, we + * try and upgrade it to make it writeable. */ LOCKHANDLE(dbmp, &dbmp->mutex); for (dbmfp = TAILQ_FIRST(&dbmp->dbmfq); dbmfp != NULL; dbmfp = TAILQ_NEXT(dbmfp, q)) - if (dbmfp->mfp == mfp) + if (dbmfp->mfp == mfp) { + if (F_ISSET(dbmfp, MP_READONLY) && + __memp_upgrade(dbmp, dbmfp, mfp)) + return (0); break; + } UNLOCKHANDLE(dbmp, &dbmp->mutex); if (dbmfp != NULL) goto found; @@ -80,6 +88,10 @@ __memp_bhwrite(dbmp, mfp, bhp, restartp, wrotep) /* * Try and open the file; ignore any error, assume it's a permissions * problem. + * + * XXX + * There's no negative cache here, so we may repeatedly try and open + * files that we have previously tried (and failed) to open. */ dbt.size = mfp->pgcookie_len; dbt.data = ADDR(dbmp, mfp->pgcookie_off); @@ -435,3 +447,42 @@ __memp_bhfree(dbmp, mfp, bhp, free_mem) if (free_mem) __db_shalloc_free(dbmp->addr, bhp); } + +/* + * __memp_upgrade -- + * Upgrade a file descriptor from readonly to readwrite. + */ +static int +__memp_upgrade(dbmp, dbmfp, mfp) + DB_MPOOL *dbmp; + DB_MPOOLFILE *dbmfp; + MPOOLFILE *mfp; +{ + int fd; + + /* + * !!! + * We expect the handle to already be locked. + */ + + /* Check to see if we've already upgraded. */ + if (F_ISSET(dbmfp, MP_UPGRADE)) + return (0); + + /* Check to see if we've already failed. */ + if (F_ISSET(dbmfp, MP_UPGRADE_FAIL)) + return (1); + + /* Try the open. */ + if (__db_fdopen(ADDR(dbmp, mfp->path_off), 0, 0, 0, &fd) != 0) { + F_SET(dbmfp, MP_UPGRADE_FAIL); + return (1); + } + + /* Swap the descriptors and set the upgrade flag. */ + (void)close(dbmfp->fd); + dbmfp->fd = fd; + F_SET(dbmfp, MP_UPGRADE); + + return (0); +} diff --git a/db2/mp/mp_fopen.c b/db2/mp/mp_fopen.c index 7703847b73..1a770bfdf0 100644 --- a/db2/mp/mp_fopen.c +++ b/db2/mp/mp_fopen.c @@ -7,7 +7,7 @@ #include "config.h" #ifndef lint -static const char sccsid[] = "@(#)mp_fopen.c 10.24 (Sleepycat) 8/20/97"; +static const char sccsid[] = "@(#)mp_fopen.c 10.25 (Sleepycat) 8/27/97"; #endif /* not lint */ #ifndef NO_SYSTEM_INCLUDES @@ -110,7 +110,7 @@ __memp_fopen(dbmp, path, ret = EINVAL; goto err; } - dbmfp->path = (char *) TEMPORARY; + dbmfp->path = (char *)TEMPORARY; F_SET(dbmfp, MP_PATH_TEMP); } else { /* Calculate the real name for this file. */ diff --git a/db2/mp/mp_pr.c b/db2/mp/mp_pr.c index 94eabf5947..7794cfa7f3 100644 --- a/db2/mp/mp_pr.c +++ b/db2/mp/mp_pr.c @@ -7,7 +7,7 @@ #include "config.h" #ifndef lint -static const char sccsid[] = "@(#)mp_pr.c 10.12 (Sleepycat) 7/29/97"; +static const char sccsid[] = "@(#)mp_pr.c 10.13 (Sleepycat) 8/27/97"; #endif /* not lint */ #ifndef NO_SYSTEM_INCLUDES diff --git a/db2/mp/mp_sync.c b/db2/mp/mp_sync.c index 4f1205661a..65b2a18267 100644 --- a/db2/mp/mp_sync.c +++ b/db2/mp/mp_sync.c @@ -7,7 +7,7 @@ #include "config.h" #ifndef lint -static const char sccsid[] = "@(#)mp_sync.c 10.8 (Sleepycat) 7/2/97"; +static const char sccsid[] = "@(#)mp_sync.c 10.9 (Sleepycat) 8/29/97"; #endif /* not lint */ #ifndef NO_SYSTEM_INCLUDES @@ -167,8 +167,12 @@ memp_fsync(dbmfp) size_t mf_offset; int pincnt, restart, ret, wrote; - /* We don't sync temporary files -- what's the use? */ - if (F_ISSET(dbmfp, MP_PATH_TEMP)) + /* + * If this handle doesn't have a file descriptor that's open for + * writing, or if the file is a temporary, there's no reason to + * proceed further. + */ + if (F_ISSET(dbmfp, MP_READONLY | MP_PATH_TEMP)) return (0); dbmp = dbmfp->dbmp; @@ -199,7 +203,7 @@ retry: pincnt = 0; goto retry; } - UNLOCKREGION(dbmp); +err: UNLOCKREGION(dbmp); -err: return (ret == 0 ? (pincnt ? DB_INCOMPLETE : 0) : ret); + return (ret == 0 ? (pincnt ? DB_INCOMPLETE : 0) : ret); } -- cgit v1.2.3