Update.

	* Makeconfig (all-subdirs): Remove db and db2.
	* db/*: Removed.
	* db2/*: Removed.

8 files changed, 0 insertions, 2625 deletions

diff --git a/db2/common/db_appinit.c b/db2/common/db_appinit.c
deleted file mode 100644
index e02b1a872d..0000000000
--- a/db2/common/db_appinit.c
+++ /dev/null
@@ -1,734 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1996, 1997, 1998
- *	Sleepycat Software.  All rights reserved.
- */
-
-#include "config.h"
-
-#ifndef lint
-static const char sccsid[] = "@(#)db_appinit.c	10.66 (Sleepycat) 12/7/98";
-#endif /* not lint */
-
-#ifndef NO_SYSTEM_INCLUDES
-#include <sys/types.h>
-
-#include <ctype.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#endif
-
-#include "db_int.h"
-#include "shqueue.h"
-#include "db_page.h"
-#include "btree.h"
-#include "hash.h"
-#include "log.h"
-#include "txn.h"
-#include "clib_ext.h"
-#include "common_ext.h"
-
-static int __db_home __P((DB_ENV *, const char *, u_int32_t));
-static int __db_parse __P((DB_ENV *, char *));
-static int __db_tmp_open __P((DB_ENV *, u_int32_t, char *, int *));
-
-/*
- * This conflict array is used for concurrent db access (cdb).  It
- * uses the same locks as the db_rw_conflict array, but adds an IW
- * mode to be used for write cursors.
- */
-static u_int8_t const db_cdb_conflicts[] = {
-	/*		N   R   W  IW */
-	/*    N */	0,  0,  0,  0,
-	/*    R */	0,  0,  1,  0,
-	/*    W */	0,  1,  1,  1,
-	/*   IW */	0,  0,  1,  1
-};
-
-/*
- * db_version --
- *	Return version information.
- */
-char *
-db_version(majverp, minverp, patchp)
-	int *majverp, *minverp, *patchp;
-{
-	if (majverp != NULL)
-		*majverp = DB_VERSION_MAJOR;
-	if (minverp != NULL)
-		*minverp = DB_VERSION_MINOR;
-	if (patchp != NULL)
-		*patchp = DB_VERSION_PATCH;
-	return ((char *)DB_VERSION_STRING);
-}
-
-/*
- * db_appinit --
- *	Initialize the application environment.
- */
-int
-db_appinit(db_home, db_config, dbenv, flags)
-	const char *db_home;
-	char * const *db_config;
-	DB_ENV *dbenv;
-	u_int32_t flags;
-{
-	FILE *fp;
-	int mode, ret;
-	char * const *p;
-	char *lp, buf[MAXPATHLEN * 2];
-
-	fp = NULL;
-
-	/* Validate arguments. */
-	if (dbenv == NULL)
-		return (EINVAL);
-
-#ifdef HAVE_SPINLOCKS
-#define	OKFLAGS								\
-    (DB_CREATE | DB_INIT_CDB | DB_INIT_LOCK | DB_INIT_LOG |		\
-    DB_INIT_MPOOL | DB_INIT_TXN | DB_MPOOL_PRIVATE | DB_NOMMAP |	\
-    DB_RECOVER | DB_RECOVER_FATAL | DB_THREAD | DB_TXN_NOSYNC |		\
-    DB_USE_ENVIRON | DB_USE_ENVIRON_ROOT)
-#else
-#define	OKFLAGS								\
-    (DB_CREATE | DB_INIT_CDB | DB_INIT_LOCK | DB_INIT_LOG |		\
-    DB_INIT_MPOOL | DB_INIT_TXN | DB_MPOOL_PRIVATE | DB_NOMMAP |	\
-    DB_RECOVER | DB_RECOVER_FATAL | DB_TXN_NOSYNC |			\
-    DB_USE_ENVIRON | DB_USE_ENVIRON_ROOT)
-#endif
-	if ((ret = __db_fchk(dbenv, "db_appinit", flags, OKFLAGS)) != 0)
-		return (ret);
-
-	/* Transactions imply logging. */
-	if (LF_ISSET(DB_INIT_TXN))
-		LF_SET(DB_INIT_LOG);
-
-	/* Convert the db_appinit(3) flags. */
-	if (LF_ISSET(DB_THREAD))
-		F_SET(dbenv, DB_ENV_THREAD);
-
-	/* Set the database home. */
-	if ((ret = __db_home(dbenv, db_home, flags)) != 0)
-		goto err;
-
-	/* Parse the config array. */
-	for (p = db_config; p != NULL && *p != NULL; ++p)
-		if ((ret = __db_parse(dbenv, *p)) != 0)
-			goto err;
-
-	/*
-	 * Parse the config file.
-	 *
-	 * XXX
-	 * Don't use sprintf(3)/snprintf(3) -- the former is dangerous, and
-	 * the latter isn't standard, and we're manipulating strings handed
-	 * us by the application.
-	 */
-	if (dbenv->db_home != NULL) {
-#define	CONFIG_NAME	"/DB_CONFIG"
-		if (strlen(dbenv->db_home) +
-		    strlen(CONFIG_NAME) + 1 > sizeof(buf)) {
-			ret = ENAMETOOLONG;
-			goto err;
-		}
-		(void)strcpy(buf, dbenv->db_home);
-		(void)strcat(buf, CONFIG_NAME);
-		if ((fp = fopen(buf, "r")) != NULL) {
-			while (fgets(buf, sizeof(buf), fp) != NULL) {
-				if ((lp = strchr(buf, '\n')) == NULL) {
-					__db_err(dbenv,
-					    "%s: line too long", CONFIG_NAME);
-					ret = EINVAL;
-					goto err;
-				}
-				*lp = '\0';
-				if (buf[0] == '\0' ||
-				    buf[0] == '#' || isspace(buf[0]))
-					continue;
-
-				if ((ret = __db_parse(dbenv, buf)) != 0)
-					goto err;
-			}
-			(void)fclose(fp);
-			fp = NULL;
-		}
-	}
-
-	/* Set up the tmp directory path. */
-	if (dbenv->db_tmp_dir == NULL && (ret = __os_tmpdir(dbenv, flags)) != 0)
-		goto err;
-
-	/*
-	 * Flag that the structure has been initialized by the application.
-	 * Note, this must be set before calling into the subsystems as it
-	 * is used when we're doing file naming.
-	 */
-	F_SET(dbenv, DB_ENV_APPINIT);
-
-	/*
-	 * If we are doing recovery, remove all the old shared memory
-	 * regions.
-	 */
-	if (LF_ISSET(DB_RECOVER | DB_RECOVER_FATAL)) {
-		if ((ret = log_unlink(NULL, 1, dbenv)) != 0)
-			goto err;
-		if ((ret = memp_unlink(NULL, 1, dbenv)) != 0)
-			goto err;
-		if ((ret = lock_unlink(NULL, 1, dbenv)) != 0)
-			goto err;
-		if ((ret = txn_unlink(NULL, 1, dbenv)) != 0)
-			goto err;
-	}
-
-	/*
-	 * Create the new shared regions.
-	 *
-	 * Default permissions are read-write for both owner and group.
-	 */
-	mode = __db_omode("rwrw--");
-	if (LF_ISSET(DB_INIT_CDB)) {
-		if (LF_ISSET(DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_TXN)) {
-			ret = EINVAL;
-			goto err;
-		}
-		F_SET(dbenv, DB_ENV_CDB);
-		dbenv->lk_conflicts = db_cdb_conflicts;
-		dbenv->lk_modes = DB_LOCK_RW_N + 1;
-		if ((ret = lock_open(NULL, LF_ISSET(DB_CREATE | DB_THREAD),
-		    mode, dbenv, &dbenv->lk_info)) != 0)
-			goto err;
-	}
-	if (LF_ISSET(DB_INIT_LOCK) && (ret = lock_open(NULL,
-	    LF_ISSET(DB_CREATE | DB_THREAD),
-	    mode, dbenv, &dbenv->lk_info)) != 0)
-		goto err;
-	if (LF_ISSET(DB_INIT_LOG) && (ret = log_open(NULL,
-	    LF_ISSET(DB_CREATE | DB_THREAD),
-	    mode, dbenv, &dbenv->lg_info)) != 0)
-		goto err;
-	if (LF_ISSET(DB_INIT_MPOOL) && (ret = memp_open(NULL,
-	    LF_ISSET(DB_CREATE | DB_MPOOL_PRIVATE | DB_NOMMAP | DB_THREAD),
-	    mode, dbenv, &dbenv->mp_info)) != 0)
-		goto err;
-	if (LF_ISSET(DB_INIT_TXN) && (ret = txn_open(NULL,
-	    LF_ISSET(DB_CREATE | DB_THREAD | DB_TXN_NOSYNC),
-	    mode, dbenv, &dbenv->tx_info)) != 0)
-		goto err;
-
-	/*
-	 * If the application is running with transactions, initialize the
-	 * function tables.  Once that's done, do recovery for any previous
-	 * run.
-	 */
-	if (LF_ISSET(DB_INIT_TXN)) {
-		if ((ret = __bam_init_recover(dbenv)) != 0)
-			goto err;
-		if ((ret = __db_init_recover(dbenv)) != 0)
-			goto err;
-		if ((ret = __ham_init_recover(dbenv)) != 0)
-			goto err;
-		if ((ret = __log_init_recover(dbenv)) != 0)
-			goto err;
-		if ((ret = __txn_init_recover(dbenv)) != 0)
-			goto err;
-
-		if (LF_ISSET(DB_RECOVER | DB_RECOVER_FATAL) &&
-		    (ret = __db_apprec(dbenv,
-		    LF_ISSET(DB_RECOVER | DB_RECOVER_FATAL))) != 0)
-			goto err;
-	}
-
-	return (ret);
-
-err:	if (fp != NULL)
-		(void)fclose(fp);
-
-	(void)db_appexit(dbenv);
-	return (ret);
-}
-
-/*
- * db_appexit --
- *	Close down the default application environment.
- */
-int
-db_appexit(dbenv)
-	DB_ENV *dbenv;
-{
-	int ret, t_ret;
-	char **p;
-
-	ret = 0;
-
-	/* Close subsystems. */
-	if (dbenv->tx_info && (t_ret = txn_close(dbenv->tx_info)) != 0)
-		if (ret == 0)
-			ret = t_ret;
-	if (dbenv->lg_info && (t_ret = log_close(dbenv->lg_info)) != 0)
-		if (ret == 0)
-			ret = t_ret;
-	if (dbenv->mp_info && (t_ret = memp_close(dbenv->mp_info)) != 0)
-		if (ret == 0)
-			ret = t_ret;
-	if (dbenv->lk_info && (t_ret = lock_close(dbenv->lk_info)) != 0)
-		if (ret == 0)
-			ret = t_ret;
-
-	/* Clear initialized flag (after subsystems, it affects naming). */
-	F_CLR(dbenv, DB_ENV_APPINIT);
-
-	/* Free allocated memory. */
-	if (dbenv->db_home != NULL)
-		__os_freestr(dbenv->db_home);
-	if ((p = dbenv->db_data_dir) != NULL) {
-		for (; *p != NULL; ++p)
-			__os_freestr(*p);
-		__os_free(dbenv->db_data_dir,
-		    dbenv->data_cnt * sizeof(char **));
-	}
-	if (dbenv->db_log_dir != NULL)
-		__os_freestr(dbenv->db_log_dir);
-	if (dbenv->db_tmp_dir != NULL)
-		__os_freestr(dbenv->db_tmp_dir);
-
-	return (ret);
-}
-
-#define	DB_ADDSTR(str) {						\
-	if ((str) != NULL) {						\
-		/* If leading slash, start over. */			\
-		if (__os_abspath(str)) {				\
-			p = start;					\
-			slash = 0;					\
-		}							\
-		/* Append to the current string. */			\
-		len = strlen(str);					\
-		if (slash)						\
-			*p++ = PATH_SEPARATOR[0];			\
-		memcpy(p, str, len);					\
-		p += len;						\
-		slash = strchr(PATH_SEPARATOR, p[-1]) == NULL;		\
-	}								\
-}
-
-/*
- * __db_appname --
- *	Given an optional DB environment, directory and file name and type
- *	of call, build a path based on the db_appinit(3) rules, and return
- *	it in allocated space.
- *
- * PUBLIC: int __db_appname __P((DB_ENV *,
- * PUBLIC:    APPNAME, const char *, const char *, u_int32_t, int *, char **));
- */
-int
-__db_appname(dbenv, appname, dir, file, tmp_oflags, fdp, namep)
-	DB_ENV *dbenv;
-	APPNAME appname;
-	const char *dir, *file;
-	u_int32_t tmp_oflags;
-	int *fdp;
-	char **namep;
-{
-	DB_ENV etmp;
-	size_t len;
-	int data_entry, ret, slash, tmp_create, tmp_free;
-	const char *a, *b, *c;
-	char *p, *start;
-
-	a = b = c = NULL;
-	data_entry = -1;
-	tmp_create = tmp_free = 0;
-
-	/*
-	 * We don't return a name when creating temporary files, just an fd.
-	 * Default to error now.
-	 */
-	if (fdp != NULL)
-		*fdp = -1;
-	if (namep != NULL)
-		*namep = NULL;
-
-	/*
-	 * Absolute path names are never modified.  If the file is an absolute
-	 * path, we're done.  If the directory is, simply append the file and
-	 * return.
-	 */
-	if (file != NULL && __os_abspath(file))
-		return (__os_strdup(file, namep));
-	if (dir != NULL && __os_abspath(dir)) {
-		a = dir;
-		goto done;
-	}
-
-	/*
-	 * DB_ENV  DIR	   APPNAME	   RESULT
-	 * -------------------------------------------
-	 * null	   null	   none		   <tmp>/file
-	 * null	   set	   none		   DIR/file
-	 * set	   null	   none		   DB_HOME/file
-	 * set	   set	   none		   DB_HOME/DIR/file
-	 *
-	 * DB_ENV  FILE	   APPNAME	   RESULT
-	 * -------------------------------------------
-	 * null	   null	   DB_APP_DATA	   <tmp>/<create>
-	 * null	   set	   DB_APP_DATA	   ./file
-	 * set	   null	   DB_APP_DATA	   <tmp>/<create>
-	 * set	   set	   DB_APP_DATA	   DB_HOME/DB_DATA_DIR/file
-	 *
-	 * DB_ENV  DIR	   APPNAME	   RESULT
-	 * -------------------------------------------
-	 * null	   null	   DB_APP_LOG	   <tmp>/file
-	 * null	   set	   DB_APP_LOG	   DIR/file
-	 * set	   null	   DB_APP_LOG	   DB_HOME/DB_LOG_DIR/file
-	 * set	   set	   DB_APP_LOG	   DB_HOME/DB_LOG_DIR/DIR/file
-	 *
-	 * DB_ENV	   APPNAME	   RESULT
-	 * -------------------------------------------
-	 * null		   DB_APP_TMP*	   <tmp>/<create>
-	 * set		   DB_APP_TMP*	   DB_HOME/DB_TMP_DIR/<create>
-	 */
-retry:	switch (appname) {
-	case DB_APP_NONE:
-		if (dbenv == NULL || !F_ISSET(dbenv, DB_ENV_APPINIT)) {
-			if (dir == NULL)
-				goto tmp;
-			a = dir;
-		} else {
-			a = dbenv->db_home;
-			b = dir;
-		}
-		break;
-	case DB_APP_DATA:
-		if (dir != NULL) {
-			__db_err(dbenv,
-			    "DB_APP_DATA: illegal directory specification");
-			return (EINVAL);
-		}
-
-		if (file == NULL) {
-			tmp_create = 1;
-			goto tmp;
-		}
-		if (dbenv == NULL || !F_ISSET(dbenv, DB_ENV_APPINIT))
-			a = PATH_DOT;
-		else {
-			a = dbenv->db_home;
-			if (dbenv->db_data_dir != NULL &&
-			    (b = dbenv->db_data_dir[++data_entry]) == NULL) {
-				data_entry = -1;
-				b = dbenv->db_data_dir[0];
-			}
-		}
-		break;
-	case DB_APP_LOG:
-		if (dbenv == NULL || !F_ISSET(dbenv, DB_ENV_APPINIT)) {
-			if (dir == NULL)
-				goto tmp;
-			a = dir;
-		} else {
-			a = dbenv->db_home;
-			b = dbenv->db_log_dir;
-			c = dir;
-		}
-		break;
-	case DB_APP_TMP:
-		if (dir != NULL || file != NULL) {
-			__db_err(dbenv,
-		    "DB_APP_TMP: illegal directory or file specification");
-			return (EINVAL);
-		}
-
-		tmp_create = 1;
-		if (dbenv == NULL || !F_ISSET(dbenv, DB_ENV_APPINIT))
-			goto tmp;
-		else {
-			a = dbenv->db_home;
-			b = dbenv->db_tmp_dir;
-		}
-		break;
-	}
-
-	/* Reference a file from the appropriate temporary directory. */
-	if (0) {
-tmp:		if (dbenv == NULL || !F_ISSET(dbenv, DB_ENV_APPINIT)) {
-			memset(&etmp, 0, sizeof(etmp));
-			if ((ret = __os_tmpdir(&etmp, DB_USE_ENVIRON)) != 0)
-				return (ret);
-			tmp_free = 1;
-			a = etmp.db_tmp_dir;
-		} else
-			a = dbenv->db_tmp_dir;
-	}
-
-done:	len =
-	    (a == NULL ? 0 : strlen(a) + 1) +
-	    (b == NULL ? 0 : strlen(b) + 1) +
-	    (c == NULL ? 0 : strlen(c) + 1) +
-	    (file == NULL ? 0 : strlen(file) + 1);
-
-	/*
-	 * Allocate space to hold the current path information, as well as any
-	 * temporary space that we're going to need to create a temporary file
-	 * name.
-	 */
-#define	DB_TRAIL	"XXXXXX"
-	if ((ret =
-	    __os_malloc(len + sizeof(DB_TRAIL) + 10, NULL, &start)) != 0) {
-		if (tmp_free)
-			__os_freestr(etmp.db_tmp_dir);
-		return (ret);
-	}
-
-	slash = 0;
-	p = start;
-	DB_ADDSTR(a);
-	DB_ADDSTR(b);
-	DB_ADDSTR(file);
-	*p = '\0';
-
-	/* Discard any space allocated to find the temp directory. */
-	if (tmp_free) {
-		__os_freestr(etmp.db_tmp_dir);
-		tmp_free = 0;
-	}
-
-	/*
-	 * If we're opening a data file, see if it exists.  If it does,
-	 * return it, otherwise, try and find another one to open.
-	 */
-	if (data_entry != -1 && __os_exists(start, NULL) != 0) {
-		__os_freestr(start);
-		a = b = c = NULL;
-		goto retry;
-	}
-
-	/* Create the file if so requested. */
-	if (tmp_create &&
-	    (ret = __db_tmp_open(dbenv, tmp_oflags, start, fdp)) != 0) {
-		__os_freestr(start);
-		return (ret);
-	}
-
-	if (namep == NULL)
-		__os_freestr(start);
-	else
-		*namep = start;
-	return (0);
-}
-
-/*
- * __db_home --
- *	Find the database home.
- */
-static int
-__db_home(dbenv, db_home, flags)
-	DB_ENV *dbenv;
-	const char *db_home;
-	u_int32_t flags;
-{
-	const char *p;
-
-	p = db_home;
-
-	/* Use the environment if it's permitted and initialized. */
-#ifdef HAVE_GETUID
-	if (LF_ISSET(DB_USE_ENVIRON) ||
-	    (LF_ISSET(DB_USE_ENVIRON_ROOT) && getuid() == 0)) {
-#else
-	if (LF_ISSET(DB_USE_ENVIRON)) {
-#endif
-		if ((p = getenv("DB_HOME")) == NULL)
-			p = db_home;
-		else if (p[0] == '\0') {
-			__db_err(dbenv,
-			    "illegal DB_HOME environment variable");
-			return (EINVAL);
-		}
-	}
-
-	if (p == NULL)
-		return (0);
-
-	return (__os_strdup(p, &dbenv->db_home));
-}
-
-/*
- * __db_parse --
- *	Parse a single NAME VALUE pair.
- */
-static int
-__db_parse(dbenv, s)
-	DB_ENV *dbenv;
-	char *s;
-{
-	int ret;
-	char *local_s, *name, *value, **p, *tp;
-
-	/*
-	 * We need to strdup the argument in case the caller passed us
-	 * static data.
-	 */
-	if ((ret = __os_strdup(s, &local_s)) != 0)
-		return (ret);
-
-	/*
-	 * Name/value pairs are parsed as two white-space separated strings.
-	 * Leading and trailing white-space is trimmed from the value, but
-	 * it may contain embedded white-space.  Note: we use the isspace(3)
-	 * macro because it's more portable, but that means that you can use
-	 * characters like form-feed to separate the strings.
-	 */
-	name = local_s;
-	for (tp = name; *tp != '\0' && !isspace(*tp); ++tp)
-		;
-	if (*tp == '\0' || tp == name)
-		goto illegal;
-	*tp = '\0';
-	for (++tp; isspace(*tp); ++tp)
-		;
-	if (*tp == '\0')
-		goto illegal;
-	value = tp;
-	for (++tp; *tp != '\0'; ++tp)
-		;
-	for (--tp; isspace(*tp); --tp)
-		;
-	if (tp == value) {
-illegal:	ret = EINVAL;
-		__db_err(dbenv, "illegal name-value pair: %s", s);
-		goto err;
-	}
-	*++tp = '\0';
-
-#define	DATA_INIT_CNT	20			/* Start with 20 data slots. */
-	if (!strcmp(name, "DB_DATA_DIR")) {
-		if (dbenv->db_data_dir == NULL) {
-			if ((ret = __os_calloc(DATA_INIT_CNT,
-			    sizeof(char **), &dbenv->db_data_dir)) != 0)
-				goto err;
-			dbenv->data_cnt = DATA_INIT_CNT;
-		} else if (dbenv->data_next == dbenv->data_cnt - 1) {
-			dbenv->data_cnt *= 2;
-			if ((ret = __os_realloc(&dbenv->db_data_dir,
-			    dbenv->data_cnt * sizeof(char **))) != 0)
-				goto err;
-		}
-		p = &dbenv->db_data_dir[dbenv->data_next++];
-	} else if (!strcmp(name, "DB_LOG_DIR")) {
-		if (dbenv->db_log_dir != NULL)
-			__os_freestr(dbenv->db_log_dir);
-		p = &dbenv->db_log_dir;
-	} else if (!strcmp(name, "DB_TMP_DIR")) {
-		if (dbenv->db_tmp_dir != NULL)
-			__os_freestr(dbenv->db_tmp_dir);
-		p = &dbenv->db_tmp_dir;
-	} else
-		goto err;
-
-	ret = __os_strdup(value, p);
-
-err:	__os_freestr(local_s);
-	return (ret);
-}
-
-/*
- * __db_tmp_open --
- *	Create a temporary file.
- */
-static int
-__db_tmp_open(dbenv, flags, path, fdp)
-	DB_ENV *dbenv;
-	u_int32_t flags;
-	char *path;
-	int *fdp;
-{
-	u_long pid;
-	int mode, isdir, ret;
-	const char *p;
-	char *trv;
-
-	/*
-	 * Check the target directory; if you have six X's and it doesn't
-	 * exist, this runs for a *very* long time.
-	 */
-	if ((ret = __os_exists(path, &isdir)) != 0) {
-		__db_err(dbenv, "%s: %s", path, strerror(ret));
-		return (ret);
-	}
-	if (!isdir) {
-		__db_err(dbenv, "%s: %s", path, strerror(EINVAL));
-		return (EINVAL);
-	}
-
-	/* Build the path. */
-	for (trv = path; *trv != '\0'; ++trv)
-		;
-	*trv = PATH_SEPARATOR[0];
-	for (p = DB_TRAIL; (*++trv = *p) != '\0'; ++p)
-		;
-
-	/*
-	 * Replace the X's with the process ID.  Pid should be a pid_t,
-	 * but we use unsigned long for portability.
-	 */
-	for (pid = getpid(); *--trv == 'X'; pid /= 10)
-		switch (pid % 10) {
-		case 0: *trv = '0'; break;
-		case 1: *trv = '1'; break;
-		case 2: *trv = '2'; break;
-		case 3: *trv = '3'; break;
-		case 4: *trv = '4'; break;
-		case 5: *trv = '5'; break;
-		case 6: *trv = '6'; break;
-		case 7: *trv = '7'; break;
-		case 8: *trv = '8'; break;
-		case 9: *trv = '9'; break;
-		}
-	++trv;
-
-	/* Set up open flags and mode. */
-	LF_SET(DB_CREATE | DB_EXCL);
-	mode = __db_omode("rw----");
-
-	/* Loop, trying to open a file. */
-	for (;;) {
-		if ((ret = __db_open(path, flags, flags, mode, fdp)) == 0)
-			return (0);
-
-		/*
-		 * XXX:
-		 * If we don't get an EEXIST error, then there's something
-		 * seriously wrong.  Unfortunately, if the implementation
-		 * doesn't return EEXIST for O_CREAT and O_EXCL regardless
-		 * of other possible errors, we've lost.
-		 */
-		if (ret != EEXIST) {
-			__db_err(dbenv,
-			    "tmp_open: %s: %s", path, strerror(ret));
-			return (ret);
-		}
-
-		/*
-		 * Tricky little algorithm for backward compatibility.
-		 * Assumes the ASCII ordering of lower-case characters.
-		 */
-		for (;;) {
-			if (*trv == '\0')
-				return (EINVAL);
-			if (*trv == 'z')
-				*trv++ = 'a';
-			else {
-				if (isdigit(*trv))
-					*trv = 'a';
-				else
-					++*trv;
-				break;
-			}
-		}
-	}
-	/* NOTREACHED */
-}
diff --git a/db2/common/db_apprec.c b/db2/common/db_apprec.c
deleted file mode 100644
index 5e8fec4659..0000000000
--- a/db2/common/db_apprec.c
+++ /dev/null
@@ -1,247 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1996, 1997, 1998
- *	Sleepycat Software.  All rights reserved.
- */
-
-#include "config.h"
-
-#ifndef lint
-static const char copyright[] =
-"@(#) Copyright (c) 1996, 1997, 1998\n\
-	Sleepycat Software Inc.  All rights reserved.\n";
-static const char sccsid[] = "@(#)db_apprec.c	10.33 (Sleepycat) 10/5/98";
-#endif
-
-#ifndef NO_SYSTEM_INCLUDES
-#include <sys/types.h>
-
-#include <errno.h>
-#include <string.h>
-#include <time.h>
-#endif
-
-#include "db_int.h"
-#include "shqueue.h"
-#include "db_page.h"
-#include "db_dispatch.h"
-#include "db_am.h"
-#include "log.h"
-#include "txn.h"
-#include "common_ext.h"
-
-/*
- * __db_apprec --
- *	Perform recovery.
- *
- * PUBLIC: int __db_apprec __P((DB_ENV *, u_int32_t));
- */
-int
-__db_apprec(dbenv, flags)
-	DB_ENV *dbenv;
-	u_int32_t flags;
-{
-	DBT data;
-	DB_LOG *lp;
-	DB_LSN ckp_lsn, first_lsn, lsn, open_lsn;
-	__txn_ckp_args *ckp_args;
-	time_t now;
-	u_int32_t is_thread;
-	int ret;
-	void *txninfo;
-
-	lp = dbenv->lg_info;
-
-	/* Initialize the transaction list. */
-	if ((ret = __db_txnlist_init(&txninfo)) != 0)
-		return (ret);
-
-	/*
-	 * Save the state of the thread flag -- we don't need it on at the
-	 * moment because we're single-threaded until recovery is complete.
-	 */
-	is_thread = F_ISSET(lp, DB_AM_THREAD);
-	F_CLR(lp, DB_AM_THREAD);
-
-	/*
-	 * Recovery is done in three passes:
-	 * Pass #0:
-	 *	We need to find the position from which we will open files
-	 *	We need to open files beginning with the last to next
-	 *	checkpoint because we might have crashed after writing the
-	 * 	last checkpoint record, but before having written out all
-	 *	the open file information.
-	 * Pass #1:
-	 *	Read forward through the log from the second to last checkpoint
-	 *	opening and closing files so that at the end of the log we have
-	 *	the "current" set of files open.
-	 * Pass #2:
-	 *	Read backward through the log undoing any uncompleted TXNs.
-	 *	If doing catastrophic recovery, we read to the beginning of
-	 *	the log, otherwise, to the most recent checkpoint that occurs
-	 *	before the most recent checkpoint LSN, which is returned by
-	 *	__log_findckp().  During this pass, checkpoint file information
-	 *	is ignored, and file openings and closings are undone.
-	 * Pass #3:
-	 *	Read forward through the log from the LSN found in pass #2,
-	 *	redoing any committed TXNs.  During this pass, checkpoint
-	 *	file information is ignored, and file openings and closings
-	 *	are redone.
-	 */
-
-	/*
-	 * Find the second to last checkpoint in the log.  This is the point
-	 * from which we want to begin pass #1 (the TXN_OPENFILES pass).
-	 */
-	memset(&data, 0, sizeof(data));
-	ckp_args = NULL;
-
-	if ((ret = log_get(lp, &ckp_lsn, &data, DB_CHECKPOINT)) != 0) {
-		/*
-		 * If we don't find a checkpoint, start from the beginning.
-		 * If that fails, we're done.  Note, we do not require that
-		 * there be log records if we're performing recovery.
-		 */
-first:		if ((ret = log_get(lp, &ckp_lsn, &data, DB_FIRST)) != 0) {
-			if (ret == DB_NOTFOUND)
-				ret = 0;
-			else
-				__db_err(dbenv, "First log record not found");
-			goto out;
-		}
-		open_lsn = ckp_lsn;
-	} else if ((ret = __txn_ckp_read(data.data, &ckp_args)) != 0) {
-		__db_err(dbenv, "Invalid checkpoint record at [%ld][%ld]\n",
-		    (u_long)ckp_lsn.file, (u_long)ckp_lsn.offset);
-		goto out;
-	} else if (IS_ZERO_LSN(ckp_args->last_ckp) ||
-		(ret = log_get(lp, &ckp_args->last_ckp, &data, DB_SET)) != 0)
-		goto first;
-	else
-		open_lsn = ckp_args->last_ckp;
-
-	/*
-	 * Now, ckp_lsn is either the lsn of the last checkpoint or the lsn
-	 * of the first record in the log.  Open_lsn is the second to last
-	 * checkpoint or the beinning of the log; begin the TXN_OPENFILES
-	 * pass from that lsn, and proceed to the end of the log.
-	 */
-	lsn = open_lsn;
-	for (;;) {
-		if (dbenv->tx_recover != NULL)
-			ret = dbenv->tx_recover(lp,
-			    &data, &lsn, TXN_OPENFILES, txninfo);
-		else
-			ret = __db_dispatch(lp,
-			    &data, &lsn, TXN_OPENFILES, txninfo);
-		if (ret != 0 && ret != DB_TXN_CKP)
-			goto msgerr;
-		if ((ret = log_get(lp, &lsn, &data, DB_NEXT)) != 0) {
-			if (ret == DB_NOTFOUND)
-				break;
-			goto out;
-		}
-	}
-
-	/*
-	 * Pass #2.
-	 *
-	 * Before we can begin pass #2, backward roll phase, we determine how
-	 * far back in the log to recover.  If we are doing catastrophic
-	 * recovery, then we go as far back as we have files.  If we are
-	 * doing normal recovery, we go as back to the most recent checkpoint
-	 * that occurs before the most recent checkpoint LSN.
-	 */
-	if (LF_ISSET(DB_RECOVER_FATAL)) {
-		ZERO_LSN(first_lsn);
-	} else
-		if ((ret = __log_findckp(lp, &first_lsn)) == DB_NOTFOUND) {
-			/*
-			 * We don't require that log files exist if recovery
-			 * was specified.
-			 */
-			ret = 0;
-			goto out;
-		}
-
-	if (dbenv->db_verbose)
-		__db_err(lp->dbenv, "Recovery starting from [%lu][%lu]",
-		    (u_long)first_lsn.file, (u_long)first_lsn.offset);
-
-	for (ret = log_get(lp, &lsn, &data, DB_LAST);
-	    ret == 0 && log_compare(&lsn, &first_lsn) > 0;
-	    ret = log_get(lp, &lsn, &data, DB_PREV)) {
-		if (dbenv->tx_recover != NULL)
-			ret = dbenv->tx_recover(lp,
-			    &data, &lsn, TXN_BACKWARD_ROLL, txninfo);
-		else
-			ret = __db_dispatch(lp,
-			    &data, &lsn, TXN_BACKWARD_ROLL, txninfo);
-		if (ret != 0) {
-			if (ret != DB_TXN_CKP)
-				goto msgerr;
-			else
-				ret = 0;
-		}
-	}
-	if (ret != 0 && ret != DB_NOTFOUND)
-		goto out;
-
-	/*
-	 * Pass #3.
-	 */
-	for (ret = log_get(lp, &lsn, &data, DB_NEXT);
-	    ret == 0; ret = log_get(lp, &lsn, &data, DB_NEXT)) {
-		if (dbenv->tx_recover != NULL)
-			ret = dbenv->tx_recover(lp,
-			    &data, &lsn, TXN_FORWARD_ROLL, txninfo);
-		else
-			ret = __db_dispatch(lp,
-			    &data, &lsn, TXN_FORWARD_ROLL, txninfo);
-		if (ret != 0) {
-			if (ret != DB_TXN_CKP)
-				goto msgerr;
-			else
-				ret = 0;
-		}
-	}
-	if (ret != DB_NOTFOUND)
-		goto out;
-
-	/* Now close all the db files that are open. */
-	__log_close_files(lp);
-
-	/*
-	 * Now set the last checkpoint lsn and the current time,
-	 * take a checkpoint, and reset the txnid.
-	 */
-	(void)time(&now);
-	dbenv->tx_info->region->last_ckp = ckp_lsn;
-	dbenv->tx_info->region->time_ckp = (u_int32_t)now;
-	if ((ret = txn_checkpoint(dbenv->tx_info, 0, 0)) != 0)
-		goto out;
-	dbenv->tx_info->region->last_txnid = TXN_MINIMUM;
-
-	if (dbenv->db_verbose) {
-		__db_err(lp->dbenv, "Recovery complete at %.24s", ctime(&now));
-		__db_err(lp->dbenv, "%s %lx %s [%lu][%lu]",
-		    "Maximum transaction id",
-		    ((DB_TXNHEAD *)txninfo)->maxid,
-		    "Recovery checkpoint",
-		    (u_long)dbenv->tx_info->region->last_ckp.file,
-		    (u_long)dbenv->tx_info->region->last_ckp.offset);
-	}
-
-	if (0) {
-msgerr:		__db_err(dbenv, "Recovery function for LSN %lu %lu failed",
-		    (u_long)lsn.file, (u_long)lsn.offset);
-	}
-
-out:	F_SET(lp, is_thread);
-	__db_txnlist_end(txninfo);
-	if (ckp_args != NULL)
-		__os_free(ckp_args, sizeof(*ckp_args));
-
-	return (ret);
-}
diff --git a/db2/common/db_byteorder.c b/db2/common/db_byteorder.c
deleted file mode 100644
index cadf742851..0000000000
--- a/db2/common/db_byteorder.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1996, 1997, 1998
- *	Sleepycat Software.  All rights reserved.
- */
-
-#include "config.h"
-
-#ifndef lint
-static const char sccsid[] = "@(#)db_byteorder.c	10.5 (Sleepycat) 4/10/98";
-#endif /* not lint */
-
-#ifndef NO_SYSTEM_INCLUDES
-#include <sys/types.h>
-
-#ifdef HAVE_ENDIAN_H
-#include <endian.h>
-#if BYTE_ORDER == BIG_ENDIAN
-#define	WORDS_BIGENDIAN	1
-#endif
-#endif
-
-#include <errno.h>
-#endif
-
-#include "db_int.h"
-#include "common_ext.h"
-
-/*
- * __db_byteorder --
- *	Return if we need to do byte swapping, checking for illegal
- *	values.
- *
- * PUBLIC: int __db_byteorder __P((DB_ENV *, int));
- */
-int
-__db_byteorder(dbenv, lorder)
-	DB_ENV *dbenv;
-	int lorder;
-{
-	switch (lorder) {
-	case 0:
-		break;
-	case 1234:
-#if defined(WORDS_BIGENDIAN)
-		return (DB_SWAPBYTES);
-#else
-		break;
-#endif
-	case 4321:
-#if defined(WORDS_BIGENDIAN)
-		break;
-#else
-		return (DB_SWAPBYTES);
-#endif
-	default:
-		__db_err(dbenv,
-		    "illegal byte order, only big and little-endian supported");
-		return (EINVAL);
-	}
-	return (0);
-}
diff --git a/db2/common/db_err.c b/db2/common/db_err.c
deleted file mode 100644
index e935ddfcc5..0000000000
--- a/db2/common/db_err.c
+++ /dev/null
@@ -1,211 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1996, 1997, 1998
- *	Sleepycat Software.  All rights reserved.
- */
-
-#include "config.h"
-
-#ifndef lint
-static const char sccsid[] = "@(#)db_err.c	10.42 (Sleepycat) 11/24/98";
-#endif /* not lint */
-
-#ifndef NO_SYSTEM_INCLUDES
-#include <sys/types.h>
-
-#include <errno.h>
-#include <stdio.h>
-#include <string.h>
-
-#ifdef __STDC__
-#include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
-#endif
-
-#include "db_int.h"
-#include "shqueue.h"
-#include "db_shash.h"
-#include "lock.h"
-#include "lock_ext.h"
-#include "log.h"
-#include "log_ext.h"
-#include "mp.h"
-#include "mp_ext.h"
-#include "txn.h"
-#include "txn_ext.h"
-#include "common_ext.h"
-#include "clib_ext.h"
-
-/*
- * __db_fchk --
- *	General flags checking routine.
- *
- * PUBLIC: int __db_fchk __P((DB_ENV *, const char *, u_int32_t, u_int32_t));
- */
-int
-__db_fchk(dbenv, name, flags, ok_flags)
-	DB_ENV *dbenv;
-	const char *name;
-	u_int32_t flags, ok_flags;
-{
-	return (flags & ~ok_flags ?  __db_ferr(dbenv, name, 0) : 0);
-}
-
-/*
- * __db_fcchk --
- *	General combination flags checking routine.
- *
- * PUBLIC: int __db_fcchk
- * PUBLIC:    __P((DB_ENV *, const char *, u_int32_t, u_int32_t, u_int32_t));
- */
-int
-__db_fcchk(dbenv, name, flags, flag1, flag2)
-	DB_ENV *dbenv;
-	const char *name;
-	u_int32_t flags, flag1, flag2;
-{
-	return ((flags & flag1) &&
-	    (flags & flag2) ?  __db_ferr(dbenv, name, 1) : 0);
-}
-
-/*
- * __db_ferr --
- *	Common flag errors.
- *
- * PUBLIC: int __db_ferr __P((const DB_ENV *, const char *, int));
- */
-int
-__db_ferr(dbenv, name, iscombo)
-	const DB_ENV *dbenv;
-	const char *name;
-	int iscombo;
-{
-	__db_err(dbenv, "illegal flag %sspecified to %s",
-	    iscombo ? "combination " : "", name);
-	return (EINVAL);
-}
-
-/*
- * __db_err --
- *	Standard DB error routine.
- *
- * PUBLIC: #ifdef __STDC__
- * PUBLIC: void __db_err __P((const DB_ENV *dbenv, const char *fmt, ...));
- * PUBLIC: #else
- * PUBLIC: void __db_err();
- * PUBLIC: #endif
- */
-void
-#ifdef __STDC__
-__db_err(const DB_ENV *dbenv, const char *fmt, ...)
-#else
-__db_err(dbenv, fmt, va_alist)
-	const DB_ENV *dbenv;
-	const char *fmt;
-	va_dcl
-#endif
-{
-	va_list ap;
-	char errbuf[2048];	/* XXX: END OF THE STACK DON'T TRUST SPRINTF. */
-
-	if (dbenv == NULL)
-		return;
-
-	if (dbenv->db_errcall != NULL) {
-#ifdef __STDC__
-         	va_start(ap, fmt);
-#else
-	        va_start(ap);
-#endif
-		(void)vsnprintf(errbuf, sizeof(errbuf), fmt, ap);
-		dbenv->db_errcall(dbenv->db_errpfx, errbuf);
-		va_end(ap);
-	}
-	if (dbenv->db_errfile != NULL) {
-		if (dbenv->db_errpfx != NULL)
-			(void)fprintf(dbenv->db_errfile, "%s: ",
-			    dbenv->db_errpfx);
-#ifdef __STDC__
-         	va_start(ap, fmt);
-#else
-	        va_start(ap);
-#endif
-		(void)vfprintf(dbenv->db_errfile, fmt, ap);
-		(void)fprintf(dbenv->db_errfile, "\n");
-		(void)fflush(dbenv->db_errfile);
-		va_end(ap);
-	}
-}
-
-/*
- * __db_pgerr --
- *	Error when unable to retrieve a specified page.
- *
- * PUBLIC: int __db_pgerr __P((DB *, db_pgno_t));
- */
-int
-__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->dbenv, EIO));
-}
-
-/*
- * __db_pgfmt --
- *	Error when a page has the wrong format.
- *
- * PUBLIC: int __db_pgfmt __P((DB *, db_pgno_t));
- */
-int
-__db_pgfmt(dbp, pgno)
-	DB *dbp;
-	db_pgno_t pgno;
-{
-	__db_err(dbp->dbenv,
-	    "page %lu: illegal page type or format", (u_long)pgno);
-	return (__db_panic(dbp->dbenv, EINVAL));
-}
-
-/*
- * __db_panic --
- *	Lock out the tree due to unrecoverable error.
- *
- * PUBLIC: int __db_panic __P((DB_ENV *, int));
- */
-int
-__db_panic(dbenv, errval)
-	DB_ENV *dbenv;
-	int errval;
-{
-	if (dbenv != NULL) {
-		dbenv->db_panic = errval;
-
-		(void)__log_panic(dbenv);
-		(void)__memp_panic(dbenv);
-		(void)__lock_panic(dbenv);
-		(void)__txn_panic(dbenv);
-
-		__db_err(dbenv, "PANIC: %s", strerror(errval));
-
-		if (dbenv->db_paniccall != NULL)
-			dbenv->db_paniccall(dbenv, errval);
-	}
-
-	/*
-	 * Chaos reigns within.
-	 * Reflect, repent, and reboot.
-	 * Order shall return.
-	 */
-	return (DB_RUNRECOVERY);
-}
diff --git a/db2/common/db_log2.c b/db2/common/db_log2.c
deleted file mode 100644
index d6b14f540b..0000000000
--- a/db2/common/db_log2.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1996, 1997, 1998
- *	Sleepycat Software.  All rights reserved.
- */
-/*
- * Copyright (c) 1995, 1996
- *	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.
- */
-
-#include "config.h"
-
-#ifndef lint
-static const char sccsid[] = "@(#)db_log2.c	10.5 (Sleepycat) 4/26/98";
-#endif /* not lint */
-
-#ifndef NO_SYSTEM_INCLUDES
-#include <sys/types.h>
-#endif
-
-#include "db_int.h"
-#include "common_ext.h"
-
-/*
- * PUBLIC: u_int32_t __db_log2 __P((u_int32_t));
- */
-u_int32_t
-__db_log2(num)
-	u_int32_t num;
-{
-	u_int32_t i, limit;
-
-	limit = 1;
-	for (i = 0; limit < num; limit = limit << 1, i++)
-		;
-	return (i);
-}
diff --git a/db2/common/db_region.c b/db2/common/db_region.c
deleted file mode 100644
index 12abfa524d..0000000000
--- a/db2/common/db_region.c
+++ /dev/null
@@ -1,873 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1996, 1997, 1998
- *	Sleepycat Software.  All rights reserved.
- */
-
-#include "config.h"
-
-#ifndef lint
-static const char sccsid[] = "@(#)db_region.c	10.53 (Sleepycat) 11/10/98";
-#endif /* not lint */
-
-#ifndef NO_SYSTEM_INCLUDES
-#include <sys/types.h>
-
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-#endif
-
-#include "db_int.h"
-#include "common_ext.h"
-
-static int __db_growregion __P((REGINFO *, size_t));
-
-/*
- * __db_rattach --
- *	Optionally create and attach to a shared memory region.
- *
- * PUBLIC: int __db_rattach __P((REGINFO *));
- */
-int
-__db_rattach(infop)
-	REGINFO *infop;
-{
-	RLAYOUT *rlp, rl;
-	size_t grow_region, size;
-	ssize_t nr, nw;
-	u_int32_t flags, mbytes, bytes;
-	u_int8_t *p;
-	int malloc_possible, ret, retry_cnt;
-
-	grow_region = 0;
-	malloc_possible = 1;
-	ret = retry_cnt = 0;
-
-	/* Round off the requested size to the next page boundary. */
-	DB_ROUNDOFF(infop->size, DB_VMPAGESIZE);
-
-	/* Some architectures have hard limits on the maximum region size. */
-#ifdef DB_REGIONSIZE_MAX
-	if (infop->size > DB_REGIONSIZE_MAX) {
-		__db_err(infop->dbenv, "__db_rattach: cache size too large");
-		return (EINVAL);
-	}
-#endif
-
-	/* Intialize the return information in the REGINFO structure. */
-loop:	infop->addr = NULL;
-	infop->fd = -1;
-	infop->segid = INVALID_SEGID;
-	if (infop->name != NULL) {
-		__os_freestr(infop->name);
-		infop->name = NULL;
-	}
-	F_CLR(infop, REGION_CANGROW | REGION_CREATED);
-
-#ifndef HAVE_SPINLOCKS
-	/*
-	 * XXX
-	 * Lacking spinlocks, we must have a file descriptor for fcntl(2)
-	 * locking, which implies using mmap(2) to map in a regular file.
-	 * (Theoretically, we could probably get a file descriptor to lock
-	 * other types of shared regions, but I don't see any reason to
-	 * bother.)
-	 *
-	 * Since we may be using shared memory regions, e.g., shmget(2),
-	 * and not mmap of regular files, the backing file may be only a
-	 * few tens of bytes in length.  So, this depends on the ability
-	 * to fcntl lock file offsets much larger than the physical file.
-	 */
-	malloc_possible = 0;
-#endif
-
-#ifdef __hppa
-	/*
-	 * XXX
-	 * HP-UX won't permit mutexes to live in anything but shared memory.
-	 * Instantiate a shared region file on that architecture, regardless.
-	 */
-	malloc_possible = 0;
-#endif
-	/*
-	 * If a region is truly private, malloc the memory.  That's faster
-	 * than either anonymous memory or a shared file.
-	 */
-	if (malloc_possible && F_ISSET(infop, REGION_PRIVATE)) {
-		if ((ret = __os_malloc(infop->size, NULL, &infop->addr)) != 0)
-			return (ret);
-
-		/*
-		 * It's sometimes significantly faster to page-fault in all of
-		 * the region's pages before we run the application, as we see
-		 * nasty side-effects when we page-fault while holding various
-		 * locks, i.e., the lock takes a long time to acquire because
-		 * of the underlying page fault, and the other threads convoy
-		 * behind the lock holder.
-		 */
-		if (DB_GLOBAL(db_region_init))
-			for (p = infop->addr;
-			    p < (u_int8_t *)infop->addr + infop->size;
-			    p += DB_VMPAGESIZE)
-				p[0] = '\0';
-
-		F_SET(infop, REGION_CREATED | REGION_MALLOC);
-		goto region_init;
-	}
-
-	/*
-	 * Get the name of the region (creating the file if a temporary file
-	 * is being used).  The dbenv contains the current DB environment,
-	 * including naming information.  The path argument may be a file or
-	 * a directory.  If path is a directory, it must exist and file is the
-	 * file name to be created inside the directory.  If path is a file,
-	 * then file must be NULL.
-	 */
-	if ((ret = __db_appname(infop->dbenv, infop->appname, infop->path,
-	    infop->file, infop->dbflags, &infop->fd, &infop->name)) != 0)
-		return (ret);
-	if (infop->fd != -1)
-		F_SET(infop, REGION_CREATED);
-
-	/*
-	 * Try to create the file, if we have authority.  We have to make sure
-	 * that multiple threads/processes attempting to simultaneously create
-	 * the region are properly ordered, so we open it using DB_CREATE and
-	 * DB_EXCL, so two attempts to create the region will return failure in
-	 * one.
-	 */
-	if (infop->fd == -1 && infop->dbflags & DB_CREATE) {
-		flags = infop->dbflags;
-		LF_SET(DB_EXCL);
-		if ((ret = __db_open(infop->name,
-		    flags, flags, infop->mode, &infop->fd)) == 0)
-			F_SET(infop, REGION_CREATED);
-		else
-			if (ret != EEXIST)
-				goto errmsg;
-	}
-
-	/* If we couldn't create the file, try and open it. */
-	if (infop->fd == -1) {
-		flags = infop->dbflags;
-		LF_CLR(DB_CREATE | DB_EXCL);
-		if ((ret = __db_open(infop->name,
-		    flags, flags, infop->mode, &infop->fd)) != 0)
-			goto errmsg;
-	}
-
-	/*
-	 * There are three cases we support:
-	 *    1. Named anonymous memory (shmget(2)).
-	 *    2. Unnamed anonymous memory (mmap(2): MAP_ANON/MAP_ANONYMOUS).
-	 *    3. Memory backed by a regular file (mmap(2)).
-	 *
-	 * We instantiate a backing file in all cases, which contains at least
-	 * the RLAYOUT structure, and in case #3, contains the actual region.
-	 * This is necessary for a couple of reasons:
-	 *
-	 * First, the mpool region uses temporary files to name regions, and
-	 * since you may have multiple regions in the same directory, we need
-	 * a filesystem name to ensure that they don't collide.
-	 *
-	 * Second, applications are allowed to forcibly remove regions, even
-	 * if they don't know anything about them other than the name.  If a
-	 * region is backed by anonymous memory, there has to be some way for
-	 * the application to find out that information, and, in some cases,
-	 * determine ID information for the anonymous memory.
-	 */
-	if (F_ISSET(infop, REGION_CREATED)) {
-		/*
-		 * If we're using anonymous memory to back this region, set
-		 * the flag.
-		 */
-		if (DB_GLOBAL(db_region_anon))
-			F_SET(infop, REGION_ANONYMOUS);
-
-		/*
-		 * If we're using a regular file to back a region we created,
-		 * grow it to the specified size.
-		 */
-		if (!DB_GLOBAL(db_region_anon) &&
-		    (ret = __db_growregion(infop, infop->size)) != 0)
-			goto err;
-	} else {
-		/*
-		 * If we're joining a region, figure out what it looks like.
-		 *
-		 * XXX
-		 * We have to figure out if the file is a regular file backing
-		 * a region that we want to map into our address space, or a
-		 * file with the information we need to find a shared anonymous
-		 * region that we want to map into our address space.
-		 *
-		 * All this noise is because some systems don't have a coherent
-		 * VM and buffer cache, and worse, if you mix operations on the
-		 * VM and buffer cache, half the time you hang the system.
-		 *
-		 * There are two possibilities.  If the file is the size of an
-		 * RLAYOUT structure, then we know that the real region is in
-		 * shared memory, because otherwise it would be bigger.  (As
-		 * the RLAYOUT structure size is smaller than a disk sector,
-		 * the only way it can be this size is if deliberately written
-		 * that way.)  In which case, retrieve the information we need
-		 * from the RLAYOUT structure and use it to acquire the shared
-		 * memory.
-		 *
-		 * If the structure is larger than an RLAYOUT structure, then
-		 * the file is backing the shared memory region, and we use
-		 * the current size of the file without reading any information
-		 * from the file itself so that we don't confuse the VM.
-		 *
-		 * And yes, this makes me want to take somebody and kill them,
-		 * but I can't think of any other solution.
-		 */
-		if ((ret = __os_ioinfo(infop->name,
-		    infop->fd, &mbytes, &bytes, NULL)) != 0)
-			goto errmsg;
-		size = mbytes * MEGABYTE + bytes;
-
-		if (size <= sizeof(RLAYOUT)) {
-			/*
-			 * If the size is too small, the read fails or the
-			 * valid flag is incorrect, assume it's because the
-			 * RLAYOUT information hasn't been written out yet,
-			 * and retry.
-			 */
-			if (size < sizeof(RLAYOUT))
-				goto retry;
-			if ((ret =
-			    __os_read(infop->fd, &rl, sizeof(rl), &nr)) != 0)
-				goto retry;
-			if (rl.valid != DB_REGIONMAGIC)
-				goto retry;
-
-			/* Copy the size, memory id and characteristics. */
-			size = rl.size;
-			infop->segid = rl.segid;
-			if (F_ISSET(&rl, REGION_ANONYMOUS))
-				F_SET(infop, REGION_ANONYMOUS);
-		}
-
-		/*
-		 * If the region is larger than we think, that's okay, use the
-		 * current size.  If it's smaller than we think, and we were
-		 * just using the default size, that's okay, use the current
-		 * size.  If it's smaller than we think and we really care,
-		 * save the size and we'll catch that further down -- we can't
-		 * correct it here because we have to have a lock to grow the
-		 * region.
-		 */
-		if (infop->size > size && !F_ISSET(infop, REGION_SIZEDEF))
-			grow_region = infop->size;
-		infop->size = size;
-	}
-
-	/*
-	 * Map the region into our address space.  If we're creating it, the
-	 * underlying routines will make it the right size.
-	 *
-	 * There are at least two cases where we can "reasonably" fail when
-	 * we attempt to map in the region.  On Windows/95, closing the last
-	 * reference to a region causes it to be zeroed out.  On UNIX, when
-	 * using the shmget(2) interfaces, the region will no longer exist
-	 * if the system was rebooted.  In these cases, the underlying map call
-	 * returns EAGAIN, and we *remove* our file and try again.  There are
-	 * obvious races in doing this, but it should eventually settle down
-	 * to a winner and then things should proceed normally.
-	 */
-	if ((ret = __db_mapregion(infop->name, infop)) != 0) {
-		if (ret == EAGAIN) {
-			/*
-			 * Pretend we created the region even if we didn't so
-			 * that our error processing unlinks it.
-			 */
-			F_SET(infop, REGION_CREATED);
-			ret = 0;
-			goto retry;
-		} else
-			goto err;
-	}
-
-region_init:
-	/*
-	 * Initialize the common region information.
-	 *
-	 * !!!
-	 * We have to order the region creates so that two processes don't try
-	 * to simultaneously create the region.  This is handled by using the
-	 * DB_CREATE and DB_EXCL flags when we create the "backing" region file.
-	 *
-	 * We also have to order region joins so that processes joining regions
-	 * never see inconsistent data.  We'd like to play permissions games
-	 * with the backing file, but we can't because WNT filesystems won't
-	 * open a file mode 0.
-	 */
-	rlp = (RLAYOUT *)infop->addr;
-	if (F_ISSET(infop, REGION_CREATED)) {
-		/*
-		 * The process creating the region acquires a lock before it
-		 * sets the valid flag.  Any processes joining the region will
-		 * check the valid flag before acquiring the lock.
-		 *
-		 * Check the return of __db_mutex_init() and __db_mutex_lock(),
-		 * even though we don't usually check elsewhere.  This is the
-		 * first lock we initialize and acquire, and we have to know if
-		 * it fails.  (It CAN fail, e.g., SunOS, when using fcntl(2)
-		 * for locking, with an in-memory filesystem specified as the
-		 * database home.)
-		 */
-		if ((ret = __db_mutex_init(&rlp->lock,
-		    MUTEX_LOCK_OFFSET(rlp, &rlp->lock))) != 0 ||
-		    (ret = __db_mutex_lock(&rlp->lock, infop->fd)) != 0)
-			goto err;
-
-		/* Initialize the remaining region information. */
-		rlp->refcnt = 1;
-		rlp->size = infop->size;
-		db_version(&rlp->majver, &rlp->minver, &rlp->patch);
-		rlp->panic = 0;
-		rlp->segid = infop->segid;
-		rlp->flags = 0;
-		if (F_ISSET(infop, REGION_ANONYMOUS))
-			F_SET(rlp, REGION_ANONYMOUS);
-
-		/*
-		 * Fill in the valid field last -- use a magic number, memory
-		 * may not be zero-filled, and we want to minimize the chance
-		 * for collision.
-		 */
-		rlp->valid = DB_REGIONMAGIC;
-
-		/*
-		 * If the region is anonymous, write the RLAYOUT information
-		 * into the backing file so that future region join and unlink
-		 * calls can find it.
-		 *
-		 * XXX
-		 * We MUST do the seek before we do the write.  On Win95, while
-		 * closing the last reference to an anonymous shared region
-		 * doesn't discard the region, it does zero it out.  So, the
-		 * REGION_CREATED may be set, but the file may have already
-		 * been written and the file descriptor may be at the end of
-		 * the file.
-		 */
-		if (F_ISSET(infop, REGION_ANONYMOUS)) {
-			if ((ret = __os_seek(infop->fd, 0, 0, 0, 0, 0)) != 0)
-				goto err;
-			if ((ret =
-			    __os_write(infop->fd, rlp, sizeof(*rlp), &nw)) != 0)
-				goto err;
-		}
-	} else {
-		/* Check to see if the region has had catastrophic failure. */
-		if (rlp->panic) {
-			ret = DB_RUNRECOVERY;
-			goto err;
-		}
-
-		/*
-		 * Check the valid flag to ensure the region is initialized.
-		 * If the valid flag has not been set, the mutex may not have
-		 * been initialized, and an attempt to get it could lead to
-		 * random behavior.
-		 */
-		if (rlp->valid != DB_REGIONMAGIC)
-			goto retry;
-
-		/* Get the region lock. */
-		(void)__db_mutex_lock(&rlp->lock, infop->fd);
-
-		/*
-		 * We now own the region.  There are a couple of things that
-		 * may have gone wrong, however.
-		 *
-		 * Problem #1: while we were waiting for the lock, the region
-		 * was deleted.  Detected by re-checking the valid flag, since
-		 * it's cleared by the delete region routines.
-		 */
-		if (rlp->valid != DB_REGIONMAGIC) {
-			(void)__db_mutex_unlock(&rlp->lock, infop->fd);
-			goto retry;
-		}
-
-		/*
-		 * Problem #3: when we checked the size of the file, it was
-		 * still growing as part of creation.  Detected by the fact
-		 * that infop->size isn't the same size as the region.
-		 */
-		if (infop->size != rlp->size) {
-			(void)__db_mutex_unlock(&rlp->lock, infop->fd);
-			goto retry;
-		}
-
-		/* Increment the reference count. */
-		++rlp->refcnt;
-	}
-
-	/* Return the region in a locked condition. */
-
-	if (0) {
-errmsg:		__db_err(infop->dbenv, "%s: %s", infop->name, strerror(ret));
-
-err:
-retry:		/* Discard the region. */
-		if (infop->addr != NULL) {
-			(void)__db_unmapregion(infop);
-			infop->addr = NULL;
-		}
-
-		/* Discard the backing file. */
-		if (infop->fd != -1) {
-			(void)__os_close(infop->fd);
-			infop->fd = -1;
-
-			if (F_ISSET(infop, REGION_CREATED))
-				(void)__os_unlink(infop->name);
-		}
-
-		/* Discard the name. */
-		if (infop->name != NULL) {
-			__os_freestr(infop->name);
-			infop->name = NULL;
-		}
-
-		/*
-		 * If we had a temporary error, wait a few seconds and
-		 * try again.
-		 */
-		if (ret == 0) {
-			if (++retry_cnt <= 3) {
-				__os_sleep(retry_cnt * 2, 0);
-				goto loop;
-			}
-			ret = EAGAIN;
-		}
-	}
-
-	/*
-	 * XXX
-	 * HP-UX won't permit mutexes to live in anything but shared memory.
-	 * Instantiate a shared region file on that architecture, regardless.
-	 *
-	 * XXX
-	 * There's a problem in cleaning this up on application exit, or on
-	 * application failure.  If an application opens a database without
-	 * an environment, we create a temporary backing mpool region for it.
-	 * That region is marked REGION_PRIVATE, but as HP-UX won't permit
-	 * mutexes to live in anything but shared memory, we instantiate a
-	 * real file plus a memory region of some form.  If the application
-	 * crashes, the necessary information to delete the backing file and
-	 * any system region (e.g., the shmget(2) segment ID) is no longer
-	 * available.  We can't completely fix the problem, but we try.
-	 *
-	 * The underlying UNIX __db_mapregion() code preferentially uses the
-	 * mmap(2) interface with the MAP_ANON/MAP_ANONYMOUS flags for regions
-	 * that are marked REGION_PRIVATE.  This means that we normally aren't
-	 * holding any system resources when we get here, in which case we can
-	 * delete the backing file.  This results in a short race, from the
-	 * __db_open() call above to here.
-	 *
-	 * If, for some reason, we are holding system resources when we get
-	 * here, we don't have any choice -- we can't delete the backing file
-	 * because we may need it to detach from the resources.  Set the
-	 * REGION_LASTDETACH flag, so that we do all necessary cleanup when
-	 * the application closes the region.
-	 */
-	if (F_ISSET(infop, REGION_PRIVATE) && !F_ISSET(infop, REGION_MALLOC)) {
-		if (F_ISSET(infop, REGION_HOLDINGSYS))
-			F_SET(infop, REGION_LASTDETACH);
-		else {
-			F_SET(infop, REGION_REMOVED);
-			F_CLR(infop, REGION_CANGROW);
-
-			(void)__os_close(infop->fd);
-			(void)__os_unlink(infop->name);
-		}
-	}
-
-	return (ret);
-}
-
-/*
- * __db_rdetach --
- *	De-attach from a shared memory region.
- *
- * PUBLIC: int __db_rdetach __P((REGINFO *));
- */
-int
-__db_rdetach(infop)
-	REGINFO *infop;
-{
-	RLAYOUT *rlp;
-	int detach, ret, t_ret;
-
-	ret = 0;
-
-	/*
-	 * If the region was removed when it was created, no further action
-	 * is required.
-	 */
-	if (F_ISSET(infop, REGION_REMOVED))
-		goto done;
-	/*
-	 * If the region was created in memory returned by malloc, the only
-	 * action required is freeing the memory.
-	 */
-	if (F_ISSET(infop, REGION_MALLOC)) {
-		__os_free(infop->addr, 0);
-		goto done;
-	}
-
-	/* Otherwise, attach to the region and optionally delete it. */
-	rlp = infop->addr;
-
-	/* Get the lock. */
-	(void)__db_mutex_lock(&rlp->lock, infop->fd);
-
-	/* Decrement the reference count. */
-	if (rlp->refcnt == 0)
-		__db_err(infop->dbenv,
-		    "region rdetach: reference count went to zero!");
-	else
-		--rlp->refcnt;
-
-	/*
-	 * If we're going to remove the region, clear the valid flag so
-	 * that any region join that's blocked waiting for us will know
-	 * what happened.
-	 */
-	detach = 0;
-	if (F_ISSET(infop, REGION_LASTDETACH)) {
-		if (rlp->refcnt == 0) {
-			detach = 1;
-			rlp->valid = 0;
-		} else
-			ret = EBUSY;
-	}
-
-	/* Release the lock. */
-	(void)__db_mutex_unlock(&rlp->lock, infop->fd);
-
-	/* Close the backing file descriptor. */
-	(void)__os_close(infop->fd);
-	infop->fd = -1;
-
-	/* Discard our mapping of the region. */
-	if ((t_ret = __db_unmapregion(infop)) != 0 && ret == 0)
-		ret = t_ret;
-
-	/* Discard the region itself. */
-	if (detach) {
-		if ((t_ret =
-		    __db_unlinkregion(infop->name, infop) != 0) && ret == 0)
-			ret = t_ret;
-		if ((t_ret = __os_unlink(infop->name) != 0) && ret == 0)
-			ret = t_ret;
-	}
-
-done:	/* Discard the name. */
-	if (infop->name != NULL) {
-		__os_freestr(infop->name);
-		infop->name = NULL;
-	}
-
-	return (ret);
-}
-
-/*
- * __db_runlink --
- *	Remove a region.
- *
- * PUBLIC: int __db_runlink __P((REGINFO *, int));
- */
-int
-__db_runlink(infop, force)
-	REGINFO *infop;
-	int force;
-{
-	RLAYOUT rl, *rlp;
-	size_t size;
-	ssize_t nr;
-	u_int32_t mbytes, bytes;
-	int fd, ret, t_ret;
-	char *name;
-
-	/*
-	 * XXX
-	 * We assume that we've created a new REGINFO structure for this
-	 * call, not used one that was already initialized.  Regardless,
-	 * if anyone is planning to use it after we're done, they're going
-	 * to be sorely disappointed.
-	 *
-	 * If force isn't set, we attach to the region, set a flag to delete
-	 * the region on last close, and let the region delete code do the
-	 * work.
-	 */
-	if (!force) {
-		if ((ret = __db_rattach(infop)) != 0)
-			return (ret);
-
-		rlp = (RLAYOUT *)infop->addr;
-		(void)__db_mutex_unlock(&rlp->lock, infop->fd);
-
-		F_SET(infop, REGION_LASTDETACH);
-
-		return (__db_rdetach(infop));
-	}
-
-	/*
-	 * Otherwise, we don't want to attach to the region.  We may have been
-	 * called to clean up if a process died leaving a region locked and/or
-	 * corrupted, which could cause the attach to hang.
-	 */
-	if ((ret = __db_appname(infop->dbenv, infop->appname,
-	    infop->path, infop->file, infop->dbflags, NULL, &name)) != 0)
-		return (ret);
-
-	/*
-	 * An underlying file is created for all regions other than private
-	 * (REGION_PRIVATE) ones, regardless of whether or not it's used to
-	 * back the region.  If that file doesn't exist, we're done.
-	 */
-	if (__os_exists(name, NULL) != 0) {
-		__os_freestr(name);
-		return (0);
-	}
-
-	/*
-	 * See the comments in __db_rattach -- figure out if this is a regular
-	 * file backing a region or if it's a regular file with information
-	 * about a region.
-	 */
-	if ((ret = __db_open(name, DB_RDONLY, DB_RDONLY, 0, &fd)) != 0)
-		goto errmsg;
-	if ((ret = __os_ioinfo(name, fd, &mbytes, &bytes, NULL)) != 0)
-		goto errmsg;
-	size = mbytes * MEGABYTE + bytes;
-
-	if (size <= sizeof(RLAYOUT)) {
-		if ((ret = __os_read(fd, &rl, sizeof(rl), &nr)) != 0)
-			goto errmsg;
-		if (rl.valid != DB_REGIONMAGIC) {
-			__db_err(infop->dbenv,
-			    "%s: illegal region magic number", name);
-			ret = EINVAL;
-			goto err;
-		}
-
-		/* Set the size, memory id and characteristics. */
-		infop->size = rl.size;
-		infop->segid = rl.segid;
-		if (F_ISSET(&rl, REGION_ANONYMOUS))
-			F_SET(infop, REGION_ANONYMOUS);
-	} else {
-		infop->size = size;
-		infop->segid = INVALID_SEGID;
-	}
-
-	/* Remove the underlying region. */
-	ret = __db_unlinkregion(name, infop);
-
-	/*
-	 * Unlink the backing file.  Close the open file descriptor first,
-	 * because some architectures (e.g., Win32) won't unlink a file if
-	 * open file descriptors remain.
-	 */
-	(void)__os_close(fd);
-	if ((t_ret = __os_unlink(name)) != 0 && ret == 0)
-		ret = t_ret;
-
-	if (0) {
-errmsg:		__db_err(infop->dbenv, "%s: %s", name, strerror(ret));
-err:		(void)__os_close(fd);
-	}
-
-	__os_freestr(name);
-	return (ret);
-}
-
-/*
- * __db_rgrow --
- *	Extend a region.
- *
- * PUBLIC: int __db_rgrow __P((REGINFO *, size_t));
- */
-int
-__db_rgrow(infop, new_size)
-	REGINFO *infop;
-	size_t new_size;
-{
-	RLAYOUT *rlp;
-	size_t increment;
-	int ret;
-
-	/*
-	 * !!!
-	 * This routine MUST be called with the region already locked.
-	 */
-
-	/* The underlying routines have flagged if this region can grow. */
-	if (!F_ISSET(infop, REGION_CANGROW))
-		return (EINVAL);
-
-	/*
-	 * Round off the requested size to the next page boundary, and
-	 * determine the additional space required.
-	 */
-	rlp = (RLAYOUT *)infop->addr;
-	DB_ROUNDOFF(new_size, DB_VMPAGESIZE);
-	increment = new_size - rlp->size;
-
-	if ((ret = __db_growregion(infop, increment)) != 0)
-		return (ret);
-
-	/* Update the on-disk region size. */
-	rlp->size = new_size;
-
-	/* Detach from and reattach to the region. */
-	return (__db_rreattach(infop, new_size));
-}
-
-/*
- * __db_growregion --
- *	Grow a shared memory region.
- */
-static int
-__db_growregion(infop, increment)
-	REGINFO *infop;
-	size_t increment;
-{
-	db_pgno_t pages;
-	size_t i;
-	ssize_t nr, nw;
-	u_int32_t relative;
-	int ret;
-	char buf[DB_VMPAGESIZE];
-
-	/* Seek to the end of the region. */
-	if ((ret = __os_seek(infop->fd, 0, 0, 0, 0, SEEK_END)) != 0)
-		goto err;
-
-	/* Write nuls to the new bytes. */
-	memset(buf, 0, sizeof(buf));
-
-	/*
-	 * Some systems require that all of the bytes of the region be
-	 * written before it can be mapped and accessed randomly, and
-	 * other systems don't zero out the pages.
-	 */
-	if (__db_mapinit())
-		/* Extend the region by writing each new page. */
-		for (i = 0; i < increment; i += DB_VMPAGESIZE) {
-			if ((ret =
-			    __os_write(infop->fd, buf, sizeof(buf), &nw)) != 0)
-				goto err;
-			if (nw != sizeof(buf))
-				goto eio;
-		}
-	else {
-		/*
-		 * Extend the region by writing the last page.  If the region
-		 * is >4Gb, increment may be larger than the maximum possible
-		 * seek "relative" argument, as it's an unsigned 32-bit value.
-		 * Break the offset into pages of 1MB each so that we don't
-		 * overflow (2^20 + 2^32 is bigger than any memory I expect
-		 * to see for awhile).
-		 */
-		pages = (increment - DB_VMPAGESIZE) / MEGABYTE;
-		relative = (increment - DB_VMPAGESIZE) % MEGABYTE;
-		if ((ret = __os_seek(infop->fd,
-		    MEGABYTE, pages, relative, 0, SEEK_CUR)) != 0)
-			goto err;
-		if ((ret = __os_write(infop->fd, buf, sizeof(buf), &nw)) != 0)
-			goto err;
-		if (nw != sizeof(buf))
-			goto eio;
-
-		/*
-		 * It's sometimes significantly faster to page-fault in all of
-		 * the region's pages before we run the application, as we see
-		 * nasty side-effects when we page-fault while holding various
-		 * locks, i.e., the lock takes a long time to acquire because
-		 * of the underlying page fault, and the other threads convoy
-		 * behind the lock holder.
-		 *
-		 * We also use REGION_INIT to guarantee that there is enough
-		 * disk space for the region, so we also write a byte to each
-		 * page.  Reading the byte is insufficient as some systems
-		 * (e.g., Solaris) do not instantiate disk pages to satisfy
-		 * a read, and so we don't know if there is enough disk space
-		 * or not.
-		 */
-		if (DB_GLOBAL(db_region_init)) {
-			pages = increment / MEGABYTE;
-			relative = increment % MEGABYTE;
-			if ((ret = __os_seek(infop->fd,
-			    MEGABYTE, pages, relative, 1, SEEK_END)) != 0)
-				goto err;
-
-			/* Write a byte to each page. */
-			for (i = 0; i < increment; i += DB_VMPAGESIZE) {
-				if ((ret =
-				    __os_write(infop->fd, buf, 1, &nr)) != 0)
-					goto err;
-				if (nr != 1)
-					goto eio;
-				if ((ret = __os_seek(infop->fd,
-				    0, 0, DB_VMPAGESIZE - 1, 0, SEEK_CUR)) != 0)
-					goto err;
-			}
-		}
-	}
-	return (0);
-
-eio:	ret = EIO;
-err:	__db_err(infop->dbenv, "region grow: %s", strerror(ret));
-	return (ret);
-}
-
-/*
- * __db_rreattach --
- *	Detach from and reattach to a region.
- *
- * PUBLIC: int __db_rreattach __P((REGINFO *, size_t));
- */
-int
-__db_rreattach(infop, new_size)
-	REGINFO *infop;
-	size_t new_size;
-{
-	int ret;
-
-#ifdef DIAGNOSTIC
-	if (infop->name == NULL) {
-		__db_err(infop->dbenv, "__db_rreattach: name was NULL");
-		return (EINVAL);
-	}
-#endif
-	/*
-	 * If we're growing an already mapped region, we have to unmap it
-	 * and get it back.  We have it locked, so nobody else can get in,
-	 * which makes it fairly straight-forward to do, as everybody else
-	 * is going to block while we do the unmap/remap.  NB: if we fail
-	 * to get it back, the pooch is genuinely screwed, because we can
-	 * never release the lock we're holding.
-	 *
-	 * Detach from the region.  We have to do this first so architectures
-	 * that don't permit a file to be mapped into different places in the
-	 * address space simultaneously, e.g., HP's PaRisc, will work.
-	 */
-	if ((ret = __db_unmapregion(infop)) != 0)
-		return (ret);
-
-	/* Update the caller's REGINFO size to the new map size. */
-	infop->size = new_size;
-
-	/* Attach to the region. */
-	ret = __db_mapregion(infop->name, infop);
-
-	return (ret);
-}
diff --git a/db2/common/db_salloc.c b/db2/common/db_salloc.c
deleted file mode 100644
index d58b79f3c4..0000000000
--- a/db2/common/db_salloc.c
+++ /dev/null
@@ -1,302 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1996, 1997, 1998
- *	Sleepycat Software.  All rights reserved.
- */
-
-#include "config.h"
-
-#ifndef lint
-static const char sccsid[] = "@(#)db_salloc.c	10.14 (Sleepycat) 11/16/98";
-#endif /* not lint */
-
-#ifndef NO_SYSTEM_INCLUDES
-#include <sys/types.h>
-
-#include <errno.h>
-#include <string.h>
-#endif
-
-#include "db_int.h"
-#include "shqueue.h"
-#include "common_ext.h"
-
-/*
- * Implement shared memory region allocation, using simple first-fit algorithm.
- * The model is that we take a "chunk" of shared memory store and begin carving
- * it up into areas, similarly to how malloc works.  We do coalescing on free.
- *
- * The "len" field in the __data struct contains the length of the free region
- * (less the size_t bytes that holds the length).  We use the address provided
- * by the caller to find this length, which allows us to free a chunk without
- * requiring that the caller pass in the length of the chunk they're freeing.
- */
-SH_LIST_HEAD(__head);
-struct __data {
-	size_t len;
-	SH_LIST_ENTRY links;
-};
-
-/*
- * __db_shalloc_init --
- *	Initialize the area as one large chunk.
- *
- * PUBLIC: void __db_shalloc_init __P((void *, size_t));
- */
-void
-__db_shalloc_init(area, size)
-	void *area;
-	size_t size;
-{
-	struct __data *elp;
-	struct __head *hp;
-
-	hp = area;
-	SH_LIST_INIT(hp);
-
-	elp = (struct __data *)(hp + 1);
-	elp->len = size - sizeof(struct __head) - sizeof(elp->len);
-	SH_LIST_INSERT_HEAD(hp, elp, links, __data);
-}
-
-/*
- * __db_shalloc --
- *	Allocate some space from the shared region.
- *
- * PUBLIC: int __db_shalloc __P((void *, size_t, size_t, void *));
- */
-int
-__db_shalloc(p, len, align, retp)
-	void *p, *retp;
-	size_t len, align;
-{
-	struct __data *elp;
-	size_t *sp;
-	void *rp;
-
-	/*
-	 * We never allocate less than the size of a struct __data, align
-	 * to less than a size_t boundary, or align to something that's not
-	 * a multiple of a size_t.
-	 */
-	if (len < sizeof(struct __data))
-		len = sizeof(struct __data);
-	align = align <= sizeof(size_t) ?
-	    sizeof(size_t) : ALIGN(align, sizeof(size_t));
-
-	/* Walk the list, looking for a slot. */
-	for (elp = SH_LIST_FIRST((struct __head *)p, __data);
-	    elp != NULL;
-	    elp = SH_LIST_NEXT(elp, links, __data)) {
-		/*
-		 * Calculate the value of the returned pointer if we were to
-		 * use this chunk.
-		 *	+ Find the end of the chunk.
-		 *	+ Subtract the memory the user wants.
-		 *	+ Find the closest previous correctly-aligned address.
-		 */
-		rp = (u_int8_t *)elp + sizeof(size_t) + elp->len;
-		rp = (u_int8_t *)rp - len;
-		rp = (u_int8_t *)((ALIGNTYPE)rp & ~(align - 1));
-
-		/*
-		 * Rp may now point before elp->links, in which case the chunk
-		 * was too small, and we have to try again.
-		 */
-		if ((u_int8_t *)rp < (u_int8_t *)&elp->links)
-			continue;
-
-		*(void **)retp = rp;
-
-#define	SHALLOC_FRAGMENT	32
-		/*
-		 * If there are at least SHALLOC_FRAGMENT additional bytes of
-		 * memory, divide the chunk into two chunks.
-		 */
-		if ((u_int8_t *)rp >=
-		    (u_int8_t *)&elp->links + SHALLOC_FRAGMENT) {
-			sp = rp;
-			*--sp = elp->len -
-			    ((u_int8_t *)rp - (u_int8_t *)&elp->links);
-			elp->len -= *sp + sizeof(size_t);
-			return (0);
-		}
-
-		/*
-		 * Otherwise, we return the entire chunk, wasting some amount
-		 * of space to keep the list compact.  However, because the
-		 * address we're returning to the user may not be the address
-		 * of the start of the region for alignment reasons, set the
-		 * size_t length fields back to the "real" length field to a
-		 * flag value, so that we can find the real length during free.
-		 */
-#define	ILLEGAL_SIZE	1
-		SH_LIST_REMOVE(elp, links, __data);
-		for (sp = rp; (u_int8_t *)--sp >= (u_int8_t *)&elp->links;)
-			*sp = ILLEGAL_SIZE;
-		return (0);
-	}
-
-	/* Nothing found large enough; need to grow the region. */
-	return (ENOMEM);
-}
-
-/*
- * __db_shalloc_free --
- *	Free a shared memory allocation.
- *
- * PUBLIC: void __db_shalloc_free __P((void *, void *));
- */
-void
-__db_shalloc_free(regionp, ptr)
-	void *regionp, *ptr;
-{
-	struct __data *elp, *lastp, *newp;
-	struct __head *hp;
-	size_t free_size, *sp;
-	int merged;
-
-	/*
-	 * Step back over flagged length fields to find the beginning of
-	 * the object and its real size.
-	 */
-	for (sp = (size_t *)ptr; sp[-1] == ILLEGAL_SIZE; --sp)
-		;
-	ptr = sp;
-
-	newp = (struct __data *)((u_int8_t *)ptr - sizeof(size_t));
-	free_size = newp->len;
-
-	/* Trash the returned memory. */
-#ifdef DIAGNOSTIC
-	memset(ptr, 0xdb, free_size);
-#endif
-
-	/*
-	 * Walk the list, looking for where this entry goes.
-	 *
-	 * We keep the free list sorted by address so that coalescing is
-	 * trivial.
-	 *
-	 * XXX
-	 * Probably worth profiling this to see how expensive it is.
-	 */
-	hp = (struct __head *)regionp;
-	for (elp = SH_LIST_FIRST(hp, __data), lastp = NULL;
-	    elp != NULL && (void *)elp < (void *)ptr;
-	    lastp = elp, elp = SH_LIST_NEXT(elp, links, __data))
-		;
-
-	/*
-	 * Elp is either NULL (we reached the end of the list), or the slot
-	 * after the one that's being returned.  Lastp is either NULL (we're
-	 * returning the first element of the list) or the element before the
-	 * one being returned.
-	 *
-	 * Check for coalescing with the next element.
-	 */
-	merged = 0;
-	if ((u_int8_t *)ptr + free_size == (u_int8_t *)elp) {
-		newp->len += elp->len + sizeof(size_t);
-		SH_LIST_REMOVE(elp, links, __data);
-		if (lastp != NULL)
-			SH_LIST_INSERT_AFTER(lastp, newp, links, __data);
-		else
-			SH_LIST_INSERT_HEAD(hp, newp, links, __data);
-		merged = 1;
-	}
-
-	/* Check for coalescing with the previous element. */
-	if (lastp != NULL && (u_int8_t *)lastp +
-	    lastp->len + sizeof(size_t) == (u_int8_t *)newp) {
-		lastp->len += newp->len + sizeof(size_t);
-
-		/*
-		 * If we have already put the new element into the list take
-		 * it back off again because it's just been merged with the
-		 * previous element.
-		 */
-		if (merged)
-			SH_LIST_REMOVE(newp, links, __data);
-		merged = 1;
-	}
-
-	if (!merged) {
-		if (lastp == NULL)
-			SH_LIST_INSERT_HEAD(hp, newp, links, __data);
-		else
-			SH_LIST_INSERT_AFTER(lastp, newp, links, __data);
-	}
-}
-
-/*
- * __db_shalloc_count --
- *	Return the amount of memory on the free list.
- *
- * PUBLIC: size_t __db_shalloc_count __P((void *));
- */
-size_t
-__db_shalloc_count(addr)
-	void *addr;
-{
-	struct __data *elp;
-	size_t count;
-
-	count = 0;
-	for (elp = SH_LIST_FIRST((struct __head *)addr, __data);
-	    elp != NULL;
-	    elp = SH_LIST_NEXT(elp, links, __data))
-		count += elp->len;
-
-	return (count);
-}
-
-/*
- * __db_shsizeof --
- *	Return the size of a shalloc'd piece of memory.
- *
- * PUBLIC: size_t __db_shsizeof __P((void *));
- */
-size_t
-__db_shsizeof(ptr)
-	void *ptr;
-{
-	struct __data *elp;
-	size_t *sp;
-
-	/*
-	 * Step back over flagged length fields to find the beginning of
-	 * the object and its real size.
-	 */
-	for (sp = (size_t *)ptr; sp[-1] == ILLEGAL_SIZE; --sp)
-		;
-
-	elp = (struct __data *)((u_int8_t *)sp - sizeof(size_t));
-	return (elp->len);
-}
-
-/*
- * __db_shalloc_dump --
- *
- * PUBLIC: void __db_shalloc_dump __P((void *, FILE *));
- */
-void
-__db_shalloc_dump(addr, fp)
-	void *addr;
-	FILE *fp;
-{
-	struct __data *elp;
-
-	/* Make it easy to call from the debugger. */
-	if (fp == NULL)
-		fp = stderr;
-
-	fprintf(fp, "%s\nMemory free list\n", DB_LINE);
-
-	for (elp = SH_LIST_FIRST((struct __head *)addr, __data);
-	    elp != NULL;
-	    elp = SH_LIST_NEXT(elp, links, __data))
-		fprintf(fp, "%#lx: %lu\t", (u_long)elp, (u_long)elp->len);
-	fprintf(fp, "\n");
-}
diff --git a/db2/common/db_shash.c b/db2/common/db_shash.c
deleted file mode 100644
index 3f48a55907..0000000000
--- a/db2/common/db_shash.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1996, 1997, 1998
- *	Sleepycat Software.  All rights reserved.
- */
-
-#include "config.h"
-
-#ifndef lint
-static const char sccsid[] = "@(#)db_shash.c	10.9 (Sleepycat) 4/10/98";
-#endif /* not lint */
-
-#ifndef NO_SYSTEM_INCLUDES
-#include <sys/types.h>
-#endif
-
-#include "db_int.h"
-#include "shqueue.h"
-#include "common_ext.h"
-
-/*
- * Table of good hash values.  Up to ~250,000 buckets, we use powers of 2.
- * After that, we slow the rate of increase by half.  For each choice, we
- * then use a nearby prime number as the hash value.
- *
- * If a terabyte is the maximum cache we'll see, and we assume there are
- * 10 1K buckets on each hash chain, then 107374182 is the maximum number
- * of buckets we'll ever need.
- */
-static const struct {
-	u_int32_t power;
-	u_int32_t prime;
-} list[] = {
-	{	 64,		67},		/* 2^6 */
-	{	128,	       131},		/* 2^7 */
-	{	256,	       257},		/* 2^8 */
-	{	512,	       521},		/* 2^9 */
-	{      1024,	      1031},		/* 2^10 */
-	{      2048,	      2053},		/* 2^11 */
-	{      4096,	      4099},		/* 2^12 */
-	{      8192,	      8191},		/* 2^13 */
-	{     16384,	     16381},		/* 2^14 */
-	{     32768,	     32771},		/* 2^15 */
-	{     65536,	     65537},		/* 2^16 */
-	{    131072,	    131071},		/* 2^17 */
-	{    262144,	    262147},		/* 2^18 */
-	{    393216,	    393209},		/* 2^18 + 2^18/2 */
-	{    524288,	    524287},		/* 2^19 */
-	{    786432,	    786431},		/* 2^19 + 2^19/2 */
-	{   1048576,	   1048573},		/* 2^20 */
-	{   1572864,	   1572869},		/* 2^20 + 2^20/2 */
-	{   2097152,	   2097169},		/* 2^21 */
-	{   3145728,	   3145721},		/* 2^21 + 2^21/2 */
-	{   4194304,	   4194301},		/* 2^22 */
-	{   6291456,	   6291449},		/* 2^22 + 2^22/2 */
-	{   8388608,	   8388617},		/* 2^23 */
-	{  12582912,	  12582917},		/* 2^23 + 2^23/2 */
-	{  16777216,	  16777213},		/* 2^24 */
-	{  25165824,	  25165813},		/* 2^24 + 2^24/2 */
-	{  33554432,	  33554393},		/* 2^25 */
-	{  50331648,	  50331653},		/* 2^25 + 2^25/2 */
-	{  67108864,	  67108859},		/* 2^26 */
-	{ 100663296,	 100663291},		/* 2^26 + 2^26/2 */
-	{ 134217728,	 134217757},		/* 2^27 */
-	{ 201326592,	 201326611},		/* 2^27 + 2^27/2 */
-	{ 268435456,	 268435459},		/* 2^28 */
-	{ 402653184,	 402653189},		/* 2^28 + 2^28/2 */
-	{ 536870912,	 536870909},		/* 2^29 */
-	{ 805306368,	 805306357},		/* 2^29 + 2^29/2 */
-	{1073741824,	1073741827},		/* 2^30 */
-	{0,		0}
-};
-
-/*
- * __db_tablesize --
- *	Choose a size for the hash table.
- *
- * PUBLIC: int __db_tablesize __P((u_int32_t));
- */
-int
-__db_tablesize(n_buckets)
-	u_int32_t n_buckets;
-{
-	int i;
-
-	/*
-	 * We try to be clever about how big we make the hash tables.  Use a
-	 * prime number close to the "suggested" number of elements that will
-	 * be in the hash table.  Use 64 as the minimum hash table size.
-	 *
-	 * Ref: Sedgewick, Algorithms in C, "Hash Functions"
-	 */
-	if (n_buckets < 64)
-		n_buckets = 64;
-
-	for (i = 0;; ++i) {
-		if (list[i].power == 0) {
-			--i;
-			break;
-		}
-		if (list[i].power >= n_buckets)
-			break;
-	}
-	return (list[i].prime);
-}
-
-/*
- * __db_hashinit --
- *	Initialize a hash table that resides in shared memory.
- *
- * PUBLIC: void __db_hashinit __P((void *, u_int32_t));
- */
-void
-__db_hashinit(begin, nelements)
-	void *begin;
-	u_int32_t nelements;
-{
-	u_int32_t i;
-	SH_TAILQ_HEAD(hash_head) *headp;
-
-	headp = (struct hash_head *)begin;
-
-	for (i = 0; i < nelements; i++, headp++)
-		SH_TAILQ_INIT(headp);
-}