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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/mp/mp_sync.c
parent7646e67e6cc4c738a7b402c60fed39d52db0433b (diff)
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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/mp/mp_sync.c')
-rw-r--r--db2/mp/mp_sync.c74
1 files changed, 60 insertions, 14 deletions
diff --git a/db2/mp/mp_sync.c b/db2/mp/mp_sync.c
index 6d16cf3cd4..33218eef1a 100644
--- a/db2/mp/mp_sync.c
+++ b/db2/mp/mp_sync.c
@@ -1,13 +1,13 @@
 /*-
  * See the file LICENSE for redistribution information.
  *
- * Copyright (c) 1996, 1997
+ * Copyright (c) 1996, 1997, 1998
  *	Sleepycat Software.  All rights reserved.
  */
 #include "config.h"
 
 #ifndef lint
-static const char sccsid[] = "@(#)mp_sync.c	10.19 (Sleepycat) 12/3/97";
+static const char sccsid[] = "@(#)mp_sync.c	10.25 (Sleepycat) 4/26/98";
 #endif /* not lint */
 
 #ifndef NO_SYSTEM_INCLUDES
@@ -15,7 +15,6 @@ static const char sccsid[] = "@(#)mp_sync.c	10.19 (Sleepycat) 12/3/97";
 
 #include <errno.h>
 #include <stdlib.h>
-#include <string.h>
 #endif
 
 #include "db_int.h"
@@ -25,6 +24,7 @@ static const char sccsid[] = "@(#)mp_sync.c	10.19 (Sleepycat) 12/3/97";
 #include "common_ext.h"
 
 static int __bhcmp __P((const void *, const void *));
+static int __memp_fsync __P((DB_MPOOLFILE *));
 
 /*
  * memp_sync --
@@ -145,7 +145,8 @@ memp_sync(dbmp, lsnp)
 				bharray[ar_cnt++] = bhp;
 			}
 		} else
-			F_CLR(bhp, BH_WRITE);
+			if (F_ISSET(bhp, BH_WRITE))
+				F_CLR(bhp, BH_WRITE);
 
 	/* If there no buffers we can write immediately, we're done. */
 	if (ar_cnt == 0) {
@@ -235,10 +236,8 @@ int
 memp_fsync(dbmfp)
 	DB_MPOOLFILE *dbmfp;
 {
-	BH *bhp, **bharray;
 	DB_MPOOL *dbmp;
-	size_t mf_offset;
-	int ar_cnt, cnt, nalloc, next, pincnt, ret, wrote;
+	int is_tmp;
 
 	dbmp = dbmfp->dbmp;
 
@@ -250,14 +249,62 @@ memp_fsync(dbmfp)
 	if (F_ISSET(dbmfp, MP_READONLY))
 		return (0);
 
-	ret = 0;
 	LOCKREGION(dbmp);
-	if (F_ISSET(dbmfp->mfp, MP_TEMP))
-		ret = 1;
+	is_tmp = F_ISSET(dbmfp->mfp, MP_TEMP);
 	UNLOCKREGION(dbmp);
-	if (ret)
+	if (is_tmp)
 		return (0);
 
+	return (__memp_fsync(dbmfp));
+}
+
+/*
+ * __mp_xxx_fd --
+ *	Return a file descriptor for DB 1.85 compatibility locking.
+ *
+ * PUBLIC: int __mp_xxx_fd __P((DB_MPOOLFILE *, int *));
+ */
+int
+__mp_xxx_fd(dbmfp, fdp)
+	DB_MPOOLFILE *dbmfp;
+	int *fdp;
+{
+	int ret;
+
+	/*
+	 * This is a truly spectacular layering violation, intended ONLY to
+	 * support compatibility for the DB 1.85 DB->fd call.
+	 *
+	 * Sync the database file to disk, creating the file as necessary.
+	 *
+	 * We skip the MP_READONLY and MP_TEMP tests done by memp_fsync(3).
+	 * The MP_READONLY test isn't interesting because we will either
+	 * already have a file descriptor (we opened the database file for
+	 * reading) or we aren't readonly (we created the database which
+	 * requires write privileges).  The MP_TEMP test isn't interesting
+	 * because we want to write to the backing file regardless so that
+	 * we get a file descriptor to return.
+	 */
+	ret = dbmfp->fd == -1 ? __memp_fsync(dbmfp) : 0;
+
+	return ((*fdp = dbmfp->fd) == -1 ? ENOENT : ret);
+}
+
+/*
+ * __memp_fsync --
+ *	Mpool file internal sync function.
+ */
+static int
+__memp_fsync(dbmfp)
+	DB_MPOOLFILE *dbmfp;
+{
+	BH *bhp, **bharray;
+	DB_MPOOL *dbmp;
+	size_t mf_offset;
+	int ar_cnt, cnt, nalloc, next, pincnt, ret, wrote;
+
+	ret = 0;
+	dbmp = dbmfp->dbmp;
 	mf_offset = R_OFFSET(dbmp, dbmfp->mfp);
 
 	/*
@@ -359,7 +406,6 @@ err:	UNLOCKREGION(dbmp);
 	if (ret == 0)
 		return (pincnt == 0 ? __db_fsync(dbmfp->fd) : DB_INCOMPLETE);
 	return (ret);
-
 }
 
 /*
@@ -453,8 +499,8 @@ __bhcmp(p1, p2)
 {
 	BH *bhp1, *bhp2;
 
-	bhp1 = *(BH **)p1;
-	bhp2 = *(BH **)p2;
+	bhp1 = *(BH * const *)p1;
+	bhp2 = *(BH * const *)p2;
 
 	/* Sort by file (shared memory pool offset). */
 	if (bhp1->mf_offset < bhp2->mf_offset)