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, 437 insertions, 0 deletions

diff --git a/db2/mp/mp_fopen.c b/db2/mp/mp_fopen.c
new file mode 100644
index 0000000000..7703847b73
--- /dev/null
+++ b/db2/mp/mp_fopen.c
@@ -0,0 +1,437 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1996, 1997
+ *	Sleepycat Software.  All rights reserved.
+ */
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)mp_fopen.c	10.24 (Sleepycat) 8/20/97";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#endif
+
+#include "db_int.h"
+#include "shqueue.h"
+#include "db_shash.h"
+#include "mp.h"
+#include "common_ext.h"
+
+static int __memp_mf_close __P((DB_MPOOL *, DB_MPOOLFILE *));
+static int __memp_mf_open __P((DB_MPOOL *, DB_MPOOLFILE *,
+    int, int, size_t, int, DBT *, u_int8_t *, int, MPOOLFILE **));
+
+/*
+ * memp_fopen --
+ *	Open a backing file for the memory pool.
+ */
+int
+memp_fopen(dbmp, path, ftype,
+    flags, mode, pagesize, lsn_offset, pgcookie, fileid, retp)
+	DB_MPOOL *dbmp;
+	const char *path;
+	int ftype, flags, mode, lsn_offset;
+	size_t pagesize;
+	DBT *pgcookie;
+	u_int8_t *fileid;
+	DB_MPOOLFILE **retp;
+{
+	int ret;
+
+	/* Validate arguments. */
+	if ((ret = __db_fchk(dbmp->dbenv,
+	    "memp_fopen", flags, DB_CREATE | DB_NOMMAP | DB_RDONLY)) != 0)
+		return (ret);
+
+	return (__memp_fopen(dbmp, path, ftype,
+	    flags, mode, pagesize, lsn_offset, pgcookie, fileid, 1, retp));
+}
+
+/*
+ * __memp_fopen --
+ *	Open a backing file for the memory pool; internal version.
+ *
+ * PUBLIC: int __memp_fopen __P((DB_MPOOL *, const char *, int, int,
+ * PUBLIC:    int, size_t, int, DBT *, u_int8_t *, int, DB_MPOOLFILE **));
+ */
+int
+__memp_fopen(dbmp, path,
+    ftype, flags, mode, pagesize, lsn_offset, pgcookie, fileid, needlock, retp)
+	DB_MPOOL *dbmp;
+	const char *path;
+	int ftype, flags, mode, lsn_offset, needlock;
+	size_t pagesize;
+	DBT *pgcookie;
+	u_int8_t *fileid;
+	DB_MPOOLFILE **retp;
+{
+	DB_ENV *dbenv;
+	DB_MPOOLFILE *dbmfp;
+	MPOOLFILE *mfp;
+	off_t size;
+	int ret;
+
+	dbenv = dbmp->dbenv;
+	ret = 0;
+
+	/* Require a non-zero pagesize. */
+	if (pagesize == 0) {
+		__db_err(dbenv, "memp_fopen: pagesize not specified");
+		return (EINVAL);
+	}
+
+	/* Allocate and initialize the per-process structure. */
+	if ((dbmfp =
+	    (DB_MPOOLFILE *)calloc(1, sizeof(DB_MPOOLFILE))) == NULL) {
+		__db_err(dbenv, "%s: %s",
+		    path == NULL ? TEMPORARY : path, strerror(ENOMEM));
+		return (ENOMEM);
+	}
+	LOCKINIT(dbmp, &dbmfp->mutex);
+	dbmfp->dbmp = dbmp;
+	dbmfp->fd = -1;
+	if (LF_ISSET(DB_RDONLY))
+		F_SET(dbmfp, MP_READONLY);
+
+	if (path == NULL) {
+		if (LF_ISSET(DB_RDONLY)) {
+			__db_err(dbenv,
+			    "memp_fopen: temporary files can't be readonly");
+			ret = EINVAL;
+			goto err;
+		}
+		dbmfp->path = (char *) TEMPORARY;
+		F_SET(dbmfp, MP_PATH_TEMP);
+	} else {
+		/* Calculate the real name for this file. */
+		if ((ret = __db_appname(dbenv,
+		    DB_APP_DATA, NULL, path, NULL, &dbmfp->path)) != 0)
+			goto err;
+		F_SET(dbmfp, MP_PATH_ALLOC);
+
+
+		/* Open the file. */
+		if ((ret = __db_fdopen(dbmfp->path,
+		    LF_ISSET(DB_CREATE | DB_RDONLY), DB_CREATE | DB_RDONLY,
+		    mode, &dbmfp->fd)) != 0) {
+			__db_err(dbenv, "%s: %s", dbmfp->path, strerror(ret));
+			goto err;
+		}
+
+		/* Don't permit files that aren't a multiple of the pagesize. */
+		if ((ret = __db_stat(dbenv,
+		     dbmfp->path, dbmfp->fd, &size, NULL)) != 0)
+			goto err;
+		if (size % pagesize) {
+			__db_err(dbenv,
+			    "%s: file size not a multiple of the pagesize",
+			    dbmfp->path);
+			ret = EINVAL;
+			goto err;
+		}
+	}
+
+	/* Find/allocate the shared file object. */
+	if (needlock)
+		LOCKREGION(dbmp);
+	ret = __memp_mf_open(dbmp, dbmfp, ftype,
+	    F_ISSET(dbmfp, MP_READONLY), pagesize,
+	    lsn_offset, pgcookie, fileid, F_ISSET(dbmfp, MP_PATH_TEMP), &mfp);
+	if (needlock)
+		UNLOCKREGION(dbmp);
+	if (ret != 0)
+		goto err;
+
+	dbmfp->mfp = mfp;
+
+	/*
+	 * If a file:
+	 *
+	 *	+ is read-only
+	 *	+ doesn't require any pgin/pgout support
+	 *	+ is less than mp_mmapsize bytes in size.
+	 *	+ and the DB_NOMMAP flag wasn't set
+	 *
+	 * we can mmap it instead of reading/writing buffers.  Don't do error
+	 * checking based on the mmap call failure.  We want to do normal I/O
+	 * on the file if the reason we failed was because the file was on an
+	 * NFS mounted partition, and we can fail in buffer I/O just as easily
+	 * as here.
+	 *
+	 * XXX
+	 * We'd like to test to see if the file is too big to mmap.  Since we
+	 * don't know what size or type off_t's or size_t's are, or the largest
+	 * unsigned integral type is, or what random insanity the local C
+	 * compiler will perpetrate, doing the comparison in a portable way is
+	 * flatly impossible.  Hope that mmap fails if the file is too large.
+	 */
+#define	DB_MAXMMAPSIZE	(10 * 1024 * 1024)	/* 10 Mb. */
+	dbmfp->addr = NULL;
+	mfp->can_mmap = F_ISSET(dbmfp, MP_READONLY) &&
+	    ftype == 0 && !LF_ISSET(DB_NOMMAP) && path != NULL &&
+	    size <= (dbenv == NULL || dbenv->mp_mmapsize == 0 ?
+	    DB_MAXMMAPSIZE : (off_t)dbenv->mp_mmapsize);
+	if (mfp->can_mmap) {
+		dbmfp->len = size;
+		if (__db_mmap(dbmfp->fd, dbmfp->len, 1, 1, &dbmfp->addr) != 0) {
+			mfp->can_mmap = 0;
+			dbmfp->addr = NULL;
+		}
+	}
+
+	LOCKHANDLE(dbmp, &dbmp->mutex);
+	TAILQ_INSERT_TAIL(&dbmp->dbmfq, dbmfp, q);
+	UNLOCKHANDLE(dbmp, &dbmp->mutex);
+
+	*retp = dbmfp;
+	return (0);
+
+err:	if (F_ISSET(dbmfp, MP_PATH_ALLOC))
+		FREES(dbmfp->path);
+	if (dbmfp->fd != -1)
+		(void)__db_close(dbmfp->fd);
+	if (dbmfp != NULL)
+		FREE(dbmfp, sizeof(DB_MPOOLFILE));
+	return (ret);
+}
+
+/*
+ * __memp_mf_open --
+ *	Open an MPOOLFILE.
+ */
+static int
+__memp_mf_open(dbmp, dbmfp,
+    ftype, readonly, pagesize, lsn_offset, pgcookie, fileid, istemp, retp)
+	DB_MPOOL *dbmp;
+	DB_MPOOLFILE *dbmfp;
+	int ftype, readonly, lsn_offset, istemp;
+	size_t pagesize;
+	DBT *pgcookie;
+	u_int8_t *fileid;
+	MPOOLFILE **retp;
+{
+	MPOOLFILE *mfp;
+	int ret;
+	u_int8_t idbuf[DB_FILE_ID_LEN];
+	void *p;
+
+	/* Temporary files can't match previous files. */
+	if (istemp)
+		goto alloc;
+
+	/*
+	 * Get the file id if we weren't give one.  Generated file id's don't
+	 * use timestamps, otherwise there'd be no chance of anyone joining
+	 * the party.
+	 */
+	if (fileid == NULL) {
+		if ((ret =
+		    __db_fileid(dbmp->dbenv, dbmfp->path, 0, idbuf)) != 0)
+			return (ret);
+		fileid = idbuf;
+	}
+
+	/* Walk the list of MPOOLFILE's, looking for a matching file. */
+	for (mfp = SH_TAILQ_FIRST(&dbmp->mp->mpfq, __mpoolfile);
+	    mfp != NULL; mfp = SH_TAILQ_NEXT(mfp, q, __mpoolfile))
+		if (!memcmp(fileid,
+		    ADDR(dbmp, mfp->fileid_off), DB_FILE_ID_LEN)) {
+			if (ftype != mfp->ftype ||
+			    pagesize != mfp->stat.st_pagesize) {
+				__db_err(dbmp->dbenv,
+				    "%s: ftype or pagesize changed",
+				    dbmfp->path);
+				ret = EINVAL;
+				mfp = NULL;
+				goto ret1;
+			}
+			/*
+			 * Found it: increment the reference count and update
+			 * the mmap-able status.
+			 */
+			++mfp->ref;
+			if (!readonly)
+				mfp->can_mmap = 0;
+			goto ret1;
+		}
+
+	/* Allocate a new MPOOLFILE. */
+alloc:	if ((ret = __memp_ralloc(dbmp, sizeof(MPOOLFILE), NULL, &mfp)) != 0)
+		goto ret1;
+
+	/* Initialize the structure. */
+	memset(mfp, 0, sizeof(MPOOLFILE));
+	mfp->ref = 1;
+	mfp->ftype = ftype;
+	mfp->lsn_off = lsn_offset;
+	mfp->stat.st_pagesize = pagesize;
+
+	/* Copy the file path into shared memory. */
+	if ((ret = __memp_ralloc(dbmp,
+	    strlen(dbmfp->path) + 1, &mfp->path_off, &p)) != 0)
+		goto err;
+	memcpy(p, dbmfp->path, strlen(dbmfp->path) + 1);
+
+	/* Copy the file identification string into shared memory. */
+	if (istemp)
+		mfp->fileid_off = 0;
+	else {
+		if ((ret = __memp_ralloc(dbmp,
+		    DB_FILE_ID_LEN, &mfp->fileid_off, &p)) != 0)
+			goto err;
+		memcpy(p, fileid, DB_FILE_ID_LEN);
+	}
+
+	/* Copy the page cookie into shared memory. */
+	if (pgcookie == NULL || pgcookie->size == 0) {
+		mfp->pgcookie_len = 0;
+		mfp->pgcookie_off = 0;
+	} else {
+		if ((ret = __memp_ralloc(dbmp,
+		    pgcookie->size, &mfp->pgcookie_off, &p)) != 0)
+			goto err;
+		memcpy(p, pgcookie->data, pgcookie->size);
+		mfp->pgcookie_len = pgcookie->size;
+	}
+
+	/* Prepend the MPOOLFILE to the list of MPOOLFILE's. */
+	SH_TAILQ_INSERT_HEAD(&dbmp->mp->mpfq, mfp, q, __mpoolfile);
+
+	if (0) {
+err:		if (mfp->path_off != 0)
+			__db_shalloc_free(dbmp->addr,
+			    ADDR(dbmp, mfp->path_off));
+		if (!istemp)
+			__db_shalloc_free(dbmp->addr,
+			    ADDR(dbmp, mfp->fileid_off));
+		if (mfp != NULL)
+			__db_shalloc_free(dbmp->addr, mfp);
+		mfp = NULL;
+	}
+
+ret1:	*retp = mfp;
+	return (0);
+}
+
+/*
+ * memp_fclose --
+ *	Close a backing file for the memory pool.
+ */
+int
+memp_fclose(dbmfp)
+	DB_MPOOLFILE *dbmfp;
+{
+	DB_MPOOL *dbmp;
+	int ret, t_ret;
+
+	dbmp = dbmfp->dbmp;
+	ret = 0;
+
+	/* Complain if pinned blocks never returned. */
+	if (dbmfp->pinref != 0)
+		__db_err(dbmp->dbenv, "%s: close: %lu blocks left pinned",
+		    dbmfp->path, (u_long)dbmfp->pinref);
+
+	/* Remove the DB_MPOOLFILE structure from the list. */
+	LOCKHANDLE(dbmp, &dbmp->mutex);
+	TAILQ_REMOVE(&dbmp->dbmfq, dbmfp, q);
+	UNLOCKHANDLE(dbmp, &dbmp->mutex);
+
+	/* Close the underlying MPOOLFILE. */
+	(void)__memp_mf_close(dbmp, dbmfp);
+
+	/* Discard any mmap information. */
+	if (dbmfp->addr != NULL &&
+	    (ret = __db_munmap(dbmfp->addr, dbmfp->len)) != 0)
+		__db_err(dbmp->dbenv, "%s: %s", dbmfp->path, strerror(ret));
+
+	/* Close the file; temporary files may not yet have been created. */
+	if (dbmfp->fd != -1 && (t_ret = __db_close(dbmfp->fd)) != 0) {
+		__db_err(dbmp->dbenv, "%s: %s", dbmfp->path, strerror(t_ret));
+		if (ret != 0)
+			t_ret = ret;
+	}
+
+	/* Potentially allocated path. */
+	if (F_ISSET(dbmfp, MP_PATH_ALLOC))
+		FREES(dbmfp->path);
+
+	/* Free the DB_MPOOLFILE structure. */
+	FREE(dbmfp, sizeof(DB_MPOOLFILE));
+
+	return (ret);
+}
+
+/*
+ * __memp_mf_close --
+ *	Close down an MPOOLFILE.
+ */
+static int
+__memp_mf_close(dbmp, dbmfp)
+	DB_MPOOL *dbmp;
+	DB_MPOOLFILE *dbmfp;
+{
+	BH *bhp, *nbhp;
+	MPOOL *mp;
+	MPOOLFILE *mfp;
+	size_t mf_offset;
+
+	mp = dbmp->mp;
+	mfp = dbmfp->mfp;
+
+	LOCKREGION(dbmp);
+
+	/* If more than a single reference, simply decrement. */
+	if (mfp->ref > 1) {
+		--mfp->ref;
+		goto ret1;
+	}
+
+	/*
+	 * Move any BH's held by the file to the free list.  We don't free the
+	 * memory itself because we may be discarding the memory pool, and it's
+	 * fairly expensive to reintegrate the buffers back into the region for
+	 * no purpose.
+	 */
+	mf_offset = OFFSET(dbmp, mfp);
+	for (bhp = SH_TAILQ_FIRST(&mp->bhq, __bh); bhp != NULL; bhp = nbhp) {
+		nbhp = SH_TAILQ_NEXT(bhp, q, __bh);
+
+#ifdef DEBUG_NO_DIRTY
+		/* Complain if we find any blocks that were left dirty. */
+		if (F_ISSET(bhp, BH_DIRTY))
+			__db_err(dbmp->dbenv,
+			    "%s: close: pgno %lu left dirty; ref %lu",
+			    dbmfp->path, (u_long)bhp->pgno, (u_long)bhp->ref);
+#endif
+
+		if (bhp->mf_offset == mf_offset) {
+			__memp_bhfree(dbmp, mfp, bhp, 0);
+			SH_TAILQ_INSERT_HEAD(&mp->bhfq, bhp, q, __bh);
+		}
+	}
+
+	/* Delete from the list of MPOOLFILEs. */
+	SH_TAILQ_REMOVE(&mp->mpfq, mfp, q, __mpoolfile);
+
+	/* Free the space. */
+	__db_shalloc_free(dbmp->addr, mfp);
+	__db_shalloc_free(dbmp->addr, ADDR(dbmp, mfp->path_off));
+	if (mfp->fileid_off != 0)
+		__db_shalloc_free(dbmp->addr, ADDR(dbmp, mfp->fileid_off));
+	if (mfp->pgcookie_off != 0)
+		__db_shalloc_free(dbmp->addr, ADDR(dbmp, mfp->pgcookie_off));
+
+ret1:	UNLOCKREGION(dbmp);
+	return (0);
+}