Update.cvs/libc-ud-970827

1997-08-10 19:17  Philip Blundell  <Philip.Blundell@pobox.com>

	* nss/nss_db/db-XXX.c: Include <db_185.h> not <db.h>.  Somebody
	should update this to use the new db API.
	* nss/nss_db/db-netgrp.c: Likewise.
	* nss/nss_db/db-alias.c: Likewise.
	* db2/Makefile: Makefile for db-2.x in glibc.

1997-08-27 21:20  Ulrich Drepper  <drepper@cygnus.com>

	* csu/Makefile (before-compile): New goal.  Make sure abi-tag.h
	is generated.
	[$(elf)=yes] (asm-CPPFLAGS): Make sure abi-tag.h file can be found.

	* Makeconfig [$(build-omitfp)=yes] (CFLAGS-.o): Add
	-D__USE_STRING_INLINES.
	* string/string.f: Move strnlen optimization after inclusion of
	<bits/string.h>.  Include <bits/string.h> only if __USE_STRING_INLINES
	is defined.
	* sysdeps/generic/memcpy.c: Undef memcpy to allow macro of this name
	in <bits/string.h>.
	* sysdeps/generic/memset.c: Likewise.
	* sysdeps/i386/string.h: i386 optimized string functions.
	* sysdeps/i386/i486string.h: i486+ optimized string functions.

	* Makefile (subdirs): Change db to db2.
	* shlib-versions: Bump libdb verion number to 3.
	* include/db.h: Include from db2 directory.
	* include/db_185.h: New file.
	* sysdeps/i386/Makefile [$(subdirs)=db2] (CPPFLAGS): Add macros
	to provide spinlock information for db2.
	* sysdeps/m68k/m68020/Makefile: New file.  Likewise.
	* sysdeps/sparc/Makefile: New file.  Likewise.
	* sysdeps/unix/sysv/linux/Makefile [$(subdirs)=db2] (CPPFLAGS):
	Add -DHAVE_LLSEEK.
	* db2/config.h: Hand-edited config file for db2 in glibc.
	* db2/compat.h: New file from db-2.3.4.
	* db2/db.h: Likewise.
	* db2/db_185.h: Likewise.
	* db2/db_int.h: Likewise.
	* db2/makedb.c: Likewise.
	* db2/btree/bt_close.c: Likewise.
	* db2/btree/bt_compare.c: Likewise.
	* db2/btree/bt_conv.c: Likewise.
	* db2/btree/bt_cursor.c: Likewise.
	* db2/btree/bt_delete.c: Likewise.
	* db2/btree/bt_open.c: Likewise.
	* db2/btree/bt_page.c: Likewise.
	* db2/btree/bt_put.c: Likewise.
	* db2/btree/bt_rec.c: Likewise.
	* db2/btree/bt_recno.c: Likewise.
	* db2/btree/btree_auto.c: Likewise.
	* db2/btree/bt_rsearch.c: Likewise.
	* db2/btree/bt_search.c: Likewise.
	* db2/btree/bt_split.c: Likewise.
	* db2/btree/bt_stat.c: Likewise.
	* db2/btree/btree.src: Likewise.
	* db2/common/db_appinit.c: Likewise.
	* db2/common/db_err.c: Likewise.
	* db2/common/db_byteorder.c: Likewise.
	* db2/common/db_apprec.c: Likewise.
	* db2/common/db_salloc.c: Likewise.
	* db2/common/db_log2.c: Likewise.
	* db2/common/db_region.c: Likewise.
	* db2/common/db_shash.c: Likewise.
	* db2/db/db.c: Likewise.
	* db2/db/db.src: Likewise.
	* db2/db/db_conv.c: Likewise.
	* db2/db/db_dispatch.c: Likewise.
	* db2/db/db_dup.c: Likewise.
	* db2/db/db_overflow.c: Likewise.
	* db2/db/db_pr.c: Likewise.
	* db2/db/db_rec.c: Likewise.
	* db2/db/db_ret.c: Likewise.
	* db2/db/db_thread.c: Likewise.
	* db2/db/db_auto.c: Likewise.
	* db2/db185/db185.c: Likewise.
	* db2/db185/db185_int.h: Likewise.
	* db2/dbm/dbm.c: Likewise.
	* db2/hash/hash.c: Likewise.
	* db2/hash/hash.src: Likewise.
	* db2/hash/hash_page.c: Likewise.
	* db2/hash/hash_conv.c: Likewise.
	* db2/hash/hash_debug.c: Likewise.
	* db2/hash/hash_stat.c: Likewise.
	* db2/hash/hash_rec.c: Likewise.
	* db2/hash/hash_dup.c: Likewise.
	* db2/hash/hash_func.c: Likewise.
	* db2/hash/hash_auto.c: Likewise.
	* db2/include/mp.h: Likewise.
	* db2/include/btree.h: Likewise.
	* db2/include/db.h.src: Likewise.
	* db2/include/db_int.h.src: Likewise.
	* db2/include/db_shash.h: Likewise.
	* db2/include/db_swap.h: Likewise.
	* db2/include/db_185.h.src: Likewise.
	* db2/include/txn.h: Likewise.
	* db2/include/db_am.h: Likewise.
	* db2/include/shqueue.h: Likewise.
	* db2/include/hash.h: Likewise.
	* db2/include/db_dispatch.h: Likewise.
	* db2/include/lock.h: Likewise.
	* db2/include/db_page.h: Likewise.
	* db2/include/log.h: Likewise.
	* db2/include/db_auto.h: Likewise.
	* db2/include/btree_auto.h: Likewise.
	* db2/include/hash_auto.h: Likewise.
	* db2/include/log_auto.h: Likewise.
	* db2/include/txn_auto.h: Likewise.
	* db2/include/db_ext.h: Likewise.
	* db2/include/btree_ext.h: Likewise.
	* db2/include/clib_ext.h: Likewise.
	* db2/include/common_ext.h: Likewise.
	* db2/include/hash_ext.h: Likewise.
	* db2/include/lock_ext.h: Likewise.
	* db2/include/log_ext.h: Likewise.
	* db2/include/mp_ext.h: Likewise.
	* db2/include/mutex_ext.h: Likewise.
	* db2/include/os_ext.h: Likewise.
	* db2/include/txn_ext.h: Likewise.
	* db2/include/cxx_int.h: Likewise.
	* db2/include/db_cxx.h: Likewise.
	* db2/include/queue.h: Likewise.
	* db2/lock/lock.c: Likewise.
	* db2/lock/lock_conflict.c: Likewise.
	* db2/lock/lock_util.c: Likewise.
	* db2/lock/lock_deadlock.c: Likewise.
	* db2/log/log.c: Likewise.
	* db2/log/log_get.c: Likewise.
	* db2/log/log.src: Likewise.
	* db2/log/log_compare.c: Likewise.
	* db2/log/log_put.c: Likewise.
	* db2/log/log_rec.c: Likewise.
	* db2/log/log_archive.c: Likewise.
	* db2/log/log_register.c: Likewise.
	* db2/log/log_auto.c: Likewise.
	* db2/log/log_findckp.c: Likewise.
	* db2/mp/mp_bh.c: Likewise.
	* db2/mp/mp_fget.c: Likewise.
	* db2/mp/mp_fopen.c: Likewise.
	* db2/mp/mp_fput.c: Likewise.
	* db2/mp/mp_fset.c: Likewise.
	* db2/mp/mp_open.c: Likewise.
	* db2/mp/mp_region.c: Likewise.
	* db2/mp/mp_pr.c: Likewise.
	* db2/mp/mp_sync.c: Likewise.
	* db2/mutex/68020.gcc: Likewise.
	* db2/mutex/mutex.c: Likewise.
	* db2/mutex/README: Likewise.
	* db2/mutex/x86.gcc: Likewise.
	* db2/mutex/sparc.gcc: Likewise.
	* db2/mutex/uts4.cc.s: Likewise.
	* db2/mutex/alpha.dec: Likewise.
	* db2/mutex/alpha.gcc: Likewise.
	* db2/mutex/parisc.gcc: Likewise.
	* db2/mutex/parisc.hp: Likewise.
	* db2/os/db_os_abs.c: Likewise.
	* db2/os/db_os_dir.c: Likewise.
	* db2/os/db_os_fid.c: Likewise.
	* db2/os/db_os_lseek.c: Likewise.
	* db2/os/db_os_mmap.c: Likewise.
	* db2/os/db_os_open.c: Likewise.
	* db2/os/db_os_rw.c: Likewise.
	* db2/os/db_os_sleep.c: Likewise.
	* db2/os/db_os_stat.c: Likewise.
	* db2/os/db_os_unlink.c: Likewise.
	* db2/txn/txn.c: Likewise.
	* db2/txn/txn.src: Likewise.
	* db2/txn/txn_rec.c: Likewise.
	* db2/txn/txn_auto.c: Likewise.
	* db2/clib/getlong.c: Likewise.
	* db2/progs/db_archive/db_archive.c: Likewise.
	* db2/progs/db_checkpoint/db_checkpoint.c: Likewise.
	* db2/progs/db_deadlock/db_deadlock.c: Likewise.
	* db2/progs/db_dump/db_dump.c: Likewise.
	* db2/progs/db_dump185/db_dump185.c: Likewise.
	* db2/progs/db_load/db_load.c: Likewise.
	* db2/progs/db_printlog/db_printlog.c: Likewise.
	* db2/progs/db_recover/db_recover.c: Likewise.
	* db2/progs/db_stat/db_stat.c: Likewise.

	* libio/stdio.h [__cplusplus] (__STDIO_INLINE): Define as inline.

	* po/de.po, po/sv.po: Update from 2.0.5 translations.

	* sysdeps/unix/sysv/linux/netinet/tcp.h: Pretty print.

	* sunrpc/rpc/xdr.h (XDR): Don't define argument of x_destroy callback
	as const.
	* sunrpc/xdr_mem.c (xdrmem_destroy): Don't define argument as const.
	* sunrpx/xdr_rec.c (xdrrec_destroy): Likewise.
	* sunrpx/xdr_stdio.c (xdrstdio_destroy): Likewise.

1997-08-27 18:47  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/if_index.c: Include <errno.h>.
	Reported by Benjamin Kosnik <bkoz@cygnus.com>.

1997-08-27 02:27  Roland McGrath  <roland@baalperazim.frob.com>

	* abi-tags: New file.
	* csu/Makefile (distribute): Remove abi-tag.h.
	($(objpfx)abi-tag.h): New target.
	* Makefile (distribute): Add abi-tags.
	* sysdeps/unix/sysv/linux/abi-tag.h: File removed.
	* sysdeps/mach/hurd/abi-tag.h: File removed.
	* sysdeps/stub/abi-tag.h: File removed.

1997-08-25  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/make-syscalls.sh: Change output so that it
	generates compilation rules only for the currently selected object
	suffixes.

1997-08-25  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/m68k/dl-machine.h (RTLD_START): Switch back to previous
	section to avoid confusing the compiler.
	* sysdeps/alpha/dl-machine.h (RTLD_START): Likewise.
	* sysdeps/i386/dl-machine.h (RTLD_START): Likewise.
	* sysdeps/mips/dl-machine.h (RTLD_START): Likewise.
	* sysdeps/mips/mips64/dl-machine.h (RTLD_START): Likewise.
	* sysdeps/sparc/sparc32/dl-machine.h (RTLD_START): Likewise.

	* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use a GOT
	relocation instead of a constant to avoid text relocation.
	(ELF_MACHINE_BEFORE_RTLD_RELOC): Removed.
	(RTLD_START): Declare global labels as functions and add size
	directive.

1997-08-25 17:01  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/i386/bits/select.h: Correct assembler versions to work even
	for descriptors >= 32.

	* stdlib/alloca.h: Don't define alloca to __alloca since if gcc
	is used __alloca is not defined to __builtin_alloca and so might
	not be available.
	Reported by Uwe Ohse <uwe@ohse.de>.

	* sysdeps/unix/sysv/linux/sys/sysmacros.h: Define macros in a special
	way if gcc is not used and so dev_t is an array.
	Reported by Uwe Ohse <uwe@ohse.de>.

1997-08-23  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* manual/libc.texinfo: Reorder chapters to match logical order.

1997-08-25 12:22  Ulrich Drepper  <drepper@cygnus.com>

	* sunrpc/rpc/xdr.h: Change name of parameters in prototypes of
	xdr_reference, xdrmem_create, and xdrstdio_create because of clash
	with g++ internal symbols.
	Patch by Sudish Joseph <sj@eng.mindspring.net>.

	* elf/dl-deps.c: Implement handling of DT_FILTER.

1 files changed, 211 insertions, 0 deletions

diff --git a/db2/include/hash.h b/db2/include/hash.h
new file mode 100644
index 0000000000..cb8ea350f5
--- /dev/null
+++ b/db2/include/hash.h
@@ -0,0 +1,211 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1996, 1997
+ *	Sleepycat Software.  All rights reserved.
+ */
+/*
+ * Copyright (c) 1990, 1993, 1994
+ *	Margo Seltzer.  All rights reserved.
+ */
+/*
+ * Copyright (c) 1990, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Margo Seltzer.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)hash.h	10.6 (Sleepycat) 8/18/97
+ */
+
+/* Cursor structure definitions. */
+typedef struct cursor_t {
+	DBC		*db_cursor;
+	db_pgno_t	bucket;		/* Bucket we are traversing. */
+	DB_LOCK		lock;		/* Lock held on the current bucket. */
+	PAGE		*pagep;		/* The current page. */
+	db_pgno_t	pgno;		/* Current page number. */
+	db_indx_t	bndx;		/* Index within the current page. */
+	PAGE		*dpagep;	/* Duplicate page pointer. */
+	db_pgno_t	dpgno;		/* Duplicate page number. */
+	db_indx_t	dndx;		/* Index within a duplicate set. */
+	db_indx_t	dup_off;	/* Offset within a duplicate set. */
+	db_indx_t	dup_len;	/* Length of current duplicate. */
+	db_indx_t	dup_tlen;	/* Total length of duplicate entry. */
+	u_int32_t	seek_size;	/* Number of bytes we need for add. */
+	db_pgno_t	seek_found_page;/* Page on which we can insert. */
+	u_int32_t	big_keylen;	/* Length of big_key buffer. */
+	void		*big_key;	/* Temporary buffer for big keys. */
+	u_int32_t	big_datalen;	/* Length of big_data buffer. */
+	void		*big_data;	/* Temporary buffer for big data. */
+#define	H_OK		0x0001
+#define	H_NOMORE	0x0002
+#define	H_DELETED	0x0004
+#define	H_ISDUP		0x0008
+#define	H_EXPAND	0x0020
+	u_int32_t	flags;		/* Is cursor inside a dup set. */
+} HASH_CURSOR;
+
+#define	IS_VALID(C) ((C)->bucket != BUCKET_INVALID)
+
+
+typedef struct htab {		/* Memory resident data structure. */
+	DB *dbp;		/* Pointer to parent db structure. */
+	DB_LOCK hlock;		/* Metadata page lock. */
+	HASHHDR *hdr;		/* Pointer to meta-data page. */
+	u_int32_t (*hash) __P((const void *, u_int32_t)); /* Hash Function */
+	PAGE *split_buf;	/* Temporary buffer for splits. */
+	int local_errno;	/* Error Number -- for DBM compatability */
+	u_long hash_accesses;	/* Number of accesses to this table. */
+	u_long hash_collisions;	/* Number of collisions on search. */
+	u_long hash_expansions;	/* Number of times we added a bucket. */
+	u_long hash_overflows;	/* Number of overflow pages. */
+	u_long hash_bigpages;	/* Number of big key/data pages. */
+} HTAB;
+
+/*
+ * Macro used for interface functions to set the txnid in the DBP.
+ */
+#define	SET_LOCKER(D, T) ((D)->txn = (T))
+
+/*
+ * More interface macros used to get/release the meta data page.
+ */
+#define	GET_META(D, H) {						\
+	int _r;								\
+	if (F_ISSET(D, DB_AM_LOCKING) && !F_ISSET(D, DB_AM_RECOVER)) {	\
+		(D)->lock.pgno = BUCKET_INVALID;			\
+	    	if ((_r = lock_get((D)->dbenv->lk_info,			\
+	    	    (D)->txn == NULL ? (D)->locker : (D)->txn->txnid,	\
+		    0, &(D)->lock_dbt, DB_LOCK_READ,			\
+		    &(H)->hlock)) != 0)					\
+			return (_r < 0 ? EAGAIN : _r);			\
+	}								\
+	if ((_r = __ham_get_page(D, 0, (PAGE **)&((H)->hdr))) != 0) {	\
+		if ((H)->hlock) {					\
+			(void)lock_put((D)->dbenv->lk_info, (H)->hlock);\
+			(H)->hlock = 0;					\
+		}							\
+		return (_r);						\
+	}								\
+}
+
+#define	RELEASE_META(D, H) {						\
+	if (!F_ISSET(D, DB_AM_RECOVER) &&				\
+	    (D)->txn == NULL && (H)->hlock)				\
+		(void)lock_put((H)->dbp->dbenv->lk_info, (H)->hlock);	\
+	(H)->hlock = 0;							\
+	if ((H)->hdr)							\
+		(void)__ham_put_page(D, (PAGE *)(H)->hdr,		\
+		    F_ISSET(D, DB_HS_DIRTYMETA) ? 1 : 0);		\
+	(H)->hdr = NULL;						\
+	F_CLR(D, DB_HS_DIRTYMETA);					\
+}
+
+#define	DIRTY_META(H, R) {						\
+	if (F_ISSET((H)->dbp, DB_AM_LOCKING) &&				\
+	    !F_ISSET((H)->dbp, DB_AM_RECOVER)) {			\
+		DB_LOCK _tmp;						\
+		(H)->dbp->lock.pgno = BUCKET_INVALID;			\
+	    	if (((R) = lock_get((H)->dbp->dbenv->lk_info,		\
+	    	    (H)->dbp->txn ? (H)->dbp->txn->txnid :		\
+	    	    (H)->dbp->locker, 0, &(H)->dbp->lock_dbt,		\
+	    	    DB_LOCK_WRITE, &_tmp)) == 0)			\
+			(R) = lock_put((H)->dbp->dbenv->lk_info,	\
+			    (H)->hlock);				\
+		else if ((R) < 0)					\
+			(R) = EAGAIN;					\
+		(H)->hlock = _tmp;					\
+	}								\
+	F_SET((H)->dbp, DB_HS_DIRTYMETA);				\
+}
+
+/* Allocate and discard thread structures. */
+#define	H_GETHANDLE(dbp, dbpp, ret)					\
+	if (F_ISSET(dbp, DB_AM_THREAD))					\
+		ret = __db_gethandle(dbp, __ham_hdup, dbpp);		\
+	else {								\
+		ret = 0;						\
+		*dbpp = dbp;						\
+	}
+
+#define	H_PUTHANDLE(dbp) {						\
+	if (F_ISSET(dbp, DB_AM_THREAD))					\
+		__db_puthandle(dbp);					\
+}
+
+/* Test string. */
+#define	CHARKEY			"%$sniglet^&"
+
+/* Overflow management */
+/*
+ * Overflow page numbers are allocated per split point.  At each doubling of
+ * the table, we can allocate extra pages.  We keep track of how many pages
+ * we've allocated at each point to calculate bucket to page number mapping.
+ */
+#define	BUCKET_TO_PAGE(H, B) \
+	((B) + 1 + ((B) ? (H)->hdr->spares[__db_log2((B)+1)-1] : 0))
+
+#define	PGNO_OF(H, S, O) (BUCKET_TO_PAGE((H), (1 << (S)) - 1) + (O))
+
+/* Constraints about number of pages and how much data goes on a page. */
+
+#define	MAX_PAGES(H)	UINT32_T_MAX
+#define	MINFILL		0.25
+#define	ISBIG(H, N)	(((N) > ((H)->hdr->pagesize * MINFILL)) ? 1 : 0)
+
+/* Shorthands for accessing structure */
+#define	NDX_INVALID	0xFFFF
+#define	BUCKET_INVALID	0xFFFFFFFF
+
+/* On page duplicates are stored as a string of size-data-size triples. */
+#define	DUP_SIZE(len)	((len) + 2 * sizeof(db_indx_t))
+
+/* Log messages types (these are subtypes within a record type) */
+#define	PAIR_KEYMASK		0x1
+#define	PAIR_DATAMASK		0x2
+#define	PAIR_ISKEYBIG(N)	(N & PAIR_KEYMASK)
+#define	PAIR_ISDATABIG(N)	(N & PAIR_DATAMASK)
+#define	OPCODE_OF(N)    	(N & ~(PAIR_KEYMASK | PAIR_DATAMASK))
+
+#define	PUTPAIR		0x20
+#define	DELPAIR		0x30
+#define	PUTOVFL		0x40
+#define	DELOVFL		0x50
+#define	ALLOCPGNO	0x60
+#define	DELPGNO		0x70
+#define	SPLITOLD	0x80
+#define	SPLITNEW	0x90
+
+#include "hash_auto.h"
+#include "hash_ext.h"
+#include "db_am.h"
+#include "common_ext.h"