1 files changed, 219 insertions, 116 deletions

diff --git a/db2/progs/db_stat/db_stat.c b/db2/progs/db_stat/db_stat.c
index 5295f011a6..f2551805b0 100644
--- a/db2/progs/db_stat/db_stat.c
+++ b/db2/progs/db_stat/db_stat.c
@@ -1,7 +1,7 @@
 /*-
  * See the file LICENSE for redistribution information.
  *
- * Copyright (c) 1996, 1997
+ * Copyright (c) 1996, 1997, 1998
  *	Sleepycat Software.  All rights reserved.
  */
 
@@ -9,9 +9,9 @@
 
 #ifndef lint
 static const char copyright[] =
-"@(#) Copyright (c) 1997\n\
+"@(#) Copyright (c) 1996, 1997, 1998\n\
 	Sleepycat Software Inc.  All rights reserved.\n";
-static const char sccsid[] = "@(#)db_stat.c	8.30 (Sleepycat) 1/8/98";
+static const char sccsid[] = "@(#)db_stat.c	8.38 (Sleepycat) 5/30/98";
 #endif
 
 #ifndef NO_SYSTEM_INCLUDES
@@ -27,25 +27,35 @@ static const char sccsid[] = "@(#)db_stat.c	8.30 (Sleepycat) 1/8/98";
 #endif
 
 #include "db_int.h"
+#include "shqueue.h"
+#include "db_shash.h"
+#include "lock.h"
+#include "mp.h"
 #include "clib_ext.h"
 
 #undef stat
 
-typedef enum { T_NOTSET, T_DB, T_LOG, T_MPOOL, T_TXN } test_t;
+typedef enum { T_NOTSET, T_DB, T_LOCK, T_LOG, T_MPOOL, T_TXN } test_t;
 
+int	argcheck __P((char *, const char *));
 void	btree_stats __P((DB *));
 DB_ENV *db_init __P((char *, test_t));
+void	dl __P((const char *, u_long));
 void	hash_stats __P((DB *));
-int	main __P((int, char *[]));
+int	lock_ok __P((char *));
+void	lock_stats __P((DB_ENV *));
 void	log_stats __P((DB_ENV *));
+int	main __P((int, char *[]));
+int	mpool_ok __P((char *));
 void	mpool_stats __P((DB_ENV *));
 void	onint __P((int));
 void	prflags __P((u_int32_t, const FN *));
-void	txn_stats __P((DB_ENV *));
 int	txn_compare __P((const void *, const void *));
+void	txn_stats __P((DB_ENV *));
 void	usage __P((void));
 
 int	 interrupted;
+char	*internal;
 const char
 	*progname = "db_stat";				/* Program name. */
 
@@ -64,8 +74,16 @@ main(argc, argv)
 
 	ttype = T_NOTSET;
 	db = home = NULL;
-	while ((ch = getopt(argc, argv, "d:h:lmt")) != EOF)
+	while ((ch = getopt(argc, argv, "C:cd:h:lM:mNt")) != EOF)
 		switch (ch) {
+		case 'C':
+			ttype = T_LOCK;
+			if (!argcheck(internal = optarg, "Acflmo"))
+				usage();
+			break;
+		case 'c':
+			ttype = T_LOCK;
+			break;
 		case 'd':
 			db = optarg;
 			ttype = T_DB;
@@ -76,9 +94,17 @@ main(argc, argv)
 		case 'l':
 			ttype = T_LOG;
 			break;
+		case 'M':
+			ttype = T_MPOOL;
+			if (!argcheck(internal = optarg, "Ahlm"))
+				usage();
+			break;
 		case 'm':
 			ttype = T_MPOOL;
 			break;
+		case 'N':
+			(void)db_value_set(0, DB_MUTEXLOCKS);
+			break;
 		case 't':
 			ttype = T_TXN;
 			break;
@@ -115,6 +141,9 @@ main(argc, argv)
 		}
 		(void)dbp->close(dbp, 0);
 		break;
+	case T_LOCK:
+		lock_stats(dbenv);
+		break;
 	case T_LOG:
 		log_stats(dbenv);
 		break;
@@ -168,13 +197,12 @@ btree_stats(dbp)
 	prflags(sp->bt_flags, fn);
 	if (dbp->type == DB_BTREE) {
 #ifdef NOT_IMPLEMENTED
-		printf("%lu\tMaximum keys per-page.\n", (u_long)sp->bt_maxkey);
+		dl("Maximum keys per-page.\n", (u_long)sp->bt_maxkey);
 #endif
-		printf("%lu\tMinimum keys per-page.\n", (u_long)sp->bt_minkey);
+		dl("Minimum keys per-page.\n", (u_long)sp->bt_minkey);
 	}
 	if (dbp->type == DB_RECNO) {
-		printf("%lu\tFixed-length record size.\n",
-		    (u_long)sp->bt_re_len);
+		dl("Fixed-length record size.\n", (u_long)sp->bt_re_len);
 		if (isprint(sp->bt_re_pad))
 			printf("%c\tFixed-length record pad.\n",
 			    (int)sp->bt_re_pad);
@@ -182,43 +210,38 @@ btree_stats(dbp)
 			printf("0x%x\tFixed-length record pad.\n",
 			    (int)sp->bt_re_pad);
 	}
-	printf("%lu\tUnderlying tree page size.\n", (u_long)sp->bt_pagesize);
-	printf("%lu\tNumber of levels in the tree.\n", (u_long)sp->bt_levels);
-	printf("%lu\tNumber of keys in the tree.\n", (u_long)sp->bt_nrecs);
-	printf("%lu\tNumber of tree internal pages.\n", (u_long)sp->bt_int_pg);
-	printf("%lu\tNumber of tree leaf pages.\n", (u_long)sp->bt_leaf_pg);
-	printf("%lu\tNumber of tree duplicate pages.\n",
-	    (u_long)sp->bt_dup_pg);
-	printf("%lu\tNumber of tree overflow pages.\n",
-	    (u_long)sp->bt_over_pg);
-	printf("%lu\tNumber of pages on the free list.\n",
-	    (u_long)sp->bt_free);
-	printf("%lu\tNumber of pages freed for reuse.\n",
-	    (u_long)sp->bt_freed);
-	printf("%lu\tNumber of bytes free in tree internal pages (%.0f%% ff)\n",
-	    (u_long)sp->bt_int_pgfree,
-	    PCT(sp->bt_int_pgfree, sp->bt_int_pg));
-	printf("%lu\tNumber of bytes free in tree leaf pages (%.0f%% ff).\n",
-	    (u_long)sp->bt_leaf_pgfree,
-	    PCT(sp->bt_leaf_pgfree, sp->bt_leaf_pg));
-printf("%lu\tNumber of bytes free in tree duplicate pages (%.0f%% ff).\n",
-	    (u_long)sp->bt_dup_pgfree,
-	    PCT(sp->bt_dup_pgfree, sp->bt_dup_pg));
-printf("%lu\tNumber of bytes free in tree overflow pages (%.0f%% ff).\n",
-	    (u_long)sp->bt_over_pgfree,
-	    PCT(sp->bt_over_pgfree, sp->bt_over_pg));
-	printf("%lu\tNumber of bytes saved by prefix compression.\n",
+	dl("Underlying tree page size.\n", (u_long)sp->bt_pagesize);
+	dl("Number of levels in the tree.\n", (u_long)sp->bt_levels);
+	dl("Number of keys in the tree.\n", (u_long)sp->bt_nrecs);
+	dl("Number of tree internal pages.\n", (u_long)sp->bt_int_pg);
+	dl("Number of tree leaf pages.\n", (u_long)sp->bt_leaf_pg);
+	dl("Number of tree duplicate pages.\n", (u_long)sp->bt_dup_pg);
+	dl("Number of tree overflow pages.\n", (u_long)sp->bt_over_pg);
+	dl("Number of pages on the free list.\n", (u_long)sp->bt_free);
+	dl("Number of pages freed for reuse.\n", (u_long)sp->bt_freed);
+	dl("Number of bytes free in tree internal pages",
+	    (u_long)sp->bt_int_pgfree);
+	printf(" (%.0f%% ff).\n", PCT(sp->bt_int_pgfree, sp->bt_int_pg));
+	dl("Number of bytes free in tree leaf pages",
+	    (u_long)sp->bt_leaf_pgfree);
+	printf(" (%.0f%% ff).\n", PCT(sp->bt_leaf_pgfree, sp->bt_leaf_pg));
+	dl("Number of bytes free in tree duplicate pages",
+	    (u_long)sp->bt_dup_pgfree);
+	printf(" (%.0f%% ff).\n", PCT(sp->bt_dup_pgfree, sp->bt_dup_pg));
+	dl("Number of bytes free in tree overflow pages",
+	    (u_long)sp->bt_over_pgfree);
+	printf(" (%.0f%% ff).\n", PCT(sp->bt_over_pgfree, sp->bt_over_pg));
+	dl("Number of bytes saved by prefix compression.\n",
 	    (u_long)sp->bt_pfxsaved);
-	printf("%lu\tTotal number of tree page splits.\n",
-	    (u_long)sp->bt_split);
-	printf("%lu\tNumber of root page splits.\n", (u_long)sp->bt_rootsplit);
-	printf("%lu\tNumber of fast splits.\n", (u_long)sp->bt_fastsplit);
-	printf("%lu\tNumber of hits in tree fast-insert code.\n",
+	dl("Total number of tree page splits.\n", (u_long)sp->bt_split);
+	dl("Number of root page splits.\n", (u_long)sp->bt_rootsplit);
+	dl("Number of fast splits.\n", (u_long)sp->bt_fastsplit);
+	dl("Number of hits in tree fast-insert code.\n",
 	    (u_long)sp->bt_cache_hit);
-	printf("%lu\tNumber of misses in tree fast-insert code.\n",
+	dl("Number of misses in tree fast-insert code.\n",
 	    (u_long)sp->bt_cache_miss);
-	printf("%lu\tNumber of keys added.\n", (u_long)sp->bt_added);
-	printf("%lu\tNumber of keys deleted.\n", (u_long)sp->bt_deleted);
+	dl("Number of keys added.\n", (u_long)sp->bt_added);
+	dl("Number of keys deleted.\n", (u_long)sp->bt_deleted);
 }
 
 /*
@@ -231,10 +254,47 @@ hash_stats(dbp)
 {
 	COMPQUIET(dbp, NULL);
 
+	printf("Hash statistics not currently available.\n");
 	return;
 }
 
 /*
+ * lock_stats --
+ *	Display lock statistics.
+ */
+void
+lock_stats(dbenv)
+	DB_ENV *dbenv;
+{
+	DB_LOCK_STAT *sp;
+
+	if (internal != NULL) {
+		__lock_dump_region(dbenv->lk_info, internal, stdout);
+		return;
+	}
+
+	if (lock_stat(dbenv->lk_info, &sp, NULL))
+		err(1, NULL);
+
+	printf("%#lx\tLock magic number.\n", (u_long)sp->st_magic);
+	printf("%lu\tLock version number.\n", (u_long)sp->st_version);
+	dl("Lock region reference count.\n", (u_long)sp->st_refcnt);
+	dl("Lock region size.\n", (u_long)sp->st_regsize);
+	dl("Maximum number of locks.\n", (u_long)sp->st_maxlocks);
+	dl("Number of lock modes.\n", (u_long)sp->st_nmodes);
+	dl("Number of lock objects.\n", (u_long)sp->st_numobjs);
+	dl("Number of lockers.\n", (u_long)sp->st_nlockers);
+	dl("Number of lock conflicts.\n", (u_long)sp->st_nconflicts);
+	dl("Number of lock requests.\n", (u_long)sp->st_nrequests);
+	dl("Number of lock releases.\n", (u_long)sp->st_nreleases);
+	dl("Number of deadlocks.\n", (u_long)sp->st_ndeadlocks);
+	dl("The number of region locks granted without waiting.\n",
+	    (u_long)sp->st_region_nowait);
+	dl("The number of region locks granted after waiting.\n",
+	    (u_long)sp->st_region_wait);
+}
+
+/*
  * log_stats --
  *	Display log statistics.
  */
@@ -249,6 +309,8 @@ log_stats(dbenv)
 
 	printf("%#lx\tLog magic number.\n", (u_long)sp->st_magic);
 	printf("%lu\tLog version number.\n", (u_long)sp->st_version);
+	dl("Log region reference count.\n", (u_long)sp->st_refcnt);
+	dl("Log region size.\n", (u_long)sp->st_regsize);
 	printf("%#o\tLog file mode.\n", sp->st_mode);
 	if (sp->st_lg_max % MEGABYTE == 0)
 		printf("%luMb\tLog file size.\n",
@@ -261,13 +323,13 @@ log_stats(dbenv)
 	    (u_long)sp->st_w_mbytes, (u_long)sp->st_w_bytes);
 	printf("%luMb\tLog bytes written since last checkpoint (+%lu bytes).\n",
 	    (u_long)sp->st_wc_mbytes, (u_long)sp->st_wc_bytes);
-	printf("%lu\tTotal log file writes.\n", (u_long)sp->st_wcount);
-	printf("%lu\tTotal log file flushes.\n", (u_long)sp->st_scount);
+	dl("Total log file writes.\n", (u_long)sp->st_wcount);
+	dl("Total log file flushes.\n", (u_long)sp->st_scount);
 	printf("%lu\tCurrent log file number.\n", (u_long)sp->st_cur_file);
 	printf("%lu\tCurrent log file offset.\n", (u_long)sp->st_cur_offset);
-	printf("%lu\tThe number of region locks granted without waiting.\n",
+	dl("The number of region locks granted without waiting.\n",
 	    (u_long)sp->st_region_nowait);
-	printf("%lu\tThe number of region locks granted after waiting.\n",
+	dl("The number of region locks granted after waiting.\n",
 	    (u_long)sp->st_region_wait);
 }
 
@@ -282,70 +344,74 @@ mpool_stats(dbenv)
 	DB_MPOOL_FSTAT **fsp;
 	DB_MPOOL_STAT *gsp;
 
+	if (internal != NULL) {
+		__memp_dump_region(dbenv->mp_info, internal, stdout);
+		return;
+	}
+
 	if (memp_stat(dbenv->mp_info, &gsp, &fsp, NULL))
 		err(1, NULL);
 
-	printf("%lu\tCache size (%luK).\n",
-	    (u_long)gsp->st_cachesize, (u_long)gsp->st_cachesize / 1024);
-	printf("%lu\tRequested pages found in the cache",
-	    (u_long)gsp->st_cache_hit);
+	dl("Pool region reference count.\n", (u_long)gsp->st_refcnt);
+	dl("Pool region size.\n", (u_long)gsp->st_regsize);
+	dl("Cache size", (u_long)gsp->st_cachesize);
+	printf(" (%luK).\n", (u_long)gsp->st_cachesize / 1024);
+	dl("Requested pages found in the cache", (u_long)gsp->st_cache_hit);
 	if (gsp->st_cache_hit + gsp->st_cache_miss != 0)
 		printf(" (%.0f%%)", ((double)gsp->st_cache_hit /
 		    (gsp->st_cache_hit + gsp->st_cache_miss)) * 100);
 	printf(".\n");
-	printf("%lu\tRequested pages mapped into the process' address space.\n",
+	dl("Requested pages mapped into the process' address space.\n",
 	    (u_long)gsp->st_map);
-	printf("%lu\tRequested pages not found in the cache.\n",
+	dl("Requested pages not found in the cache.\n",
 	    (u_long)gsp->st_cache_miss);
-	printf("%lu\tPages created in the cache.\n",
-	    (u_long)gsp->st_page_create);
-	printf("%lu\tPages read into the cache.\n", (u_long)gsp->st_page_in);
-	printf("%lu\tPages written from the cache to the backing file.\n",
+	dl("Pages created in the cache.\n", (u_long)gsp->st_page_create);
+	dl("Pages read into the cache.\n", (u_long)gsp->st_page_in);
+	dl("Pages written from the cache to the backing file.\n",
 	    (u_long)gsp->st_page_out);
-	printf("%lu\tClean pages forced from the cache.\n",
+	dl("Clean pages forced from the cache.\n",
 	    (u_long)gsp->st_ro_evict);
-	printf("%lu\tDirty pages forced from the cache.\n",
+	dl("Dirty pages forced from the cache.\n",
 	    (u_long)gsp->st_rw_evict);
-	printf("%lu\tDirty buffers written by trickle-sync thread.\n",
+	dl("Dirty buffers written by trickle-sync thread.\n",
 	    (u_long)gsp->st_page_trickle);
-	printf("%lu\tCurrent clean buffer count.\n",
+	dl("Current clean buffer count.\n",
 	    (u_long)gsp->st_page_clean);
-	printf("%lu\tCurrent dirty buffer count.\n",
+	dl("Current dirty buffer count.\n",
 	    (u_long)gsp->st_page_dirty);
-	printf("%lu\tNumber of hash buckets used for page location.\n",
+	dl("Number of hash buckets used for page location.\n",
 	    (u_long)gsp->st_hash_buckets);
-	printf("%lu\tTotal number of times hash chains searched for a page.\n",
+	dl("Total number of times hash chains searched for a page.\n",
 	    (u_long)gsp->st_hash_searches);
-	printf("%lu\tThe longest hash chain searched for a page.\n",
+	dl("The longest hash chain searched for a page.\n",
 	    (u_long)gsp->st_hash_longest);
-	printf(
-	    "%lu\tTotal number of hash buckets examined for page location.\n",
+	dl("Total number of hash buckets examined for page location.\n",
 	    (u_long)gsp->st_hash_examined);
-	printf("%lu\tThe number of region locks granted without waiting.\n",
+	dl("The number of region locks granted without waiting.\n",
 	    (u_long)gsp->st_region_nowait);
-	printf("%lu\tThe number of region locks granted after waiting.\n",
+	dl("The number of region locks granted after waiting.\n",
 	    (u_long)gsp->st_region_wait);
 
 	for (; fsp != NULL && *fsp != NULL; ++fsp) {
 		printf("%s\n", DB_LINE);
 		printf("%s\n", (*fsp)->file_name);
-		printf("%lu\tPage size.\n", (u_long)(*fsp)->st_pagesize);
-		printf("%lu\tRequested pages found in the cache",
+		dl("Page size.\n", (u_long)(*fsp)->st_pagesize);
+		dl("Requested pages found in the cache",
 		    (u_long)(*fsp)->st_cache_hit);
 		if ((*fsp)->st_cache_hit + (*fsp)->st_cache_miss != 0)
 			printf(" (%.0f%%)", ((double)(*fsp)->st_cache_hit /
 			    ((*fsp)->st_cache_hit + (*fsp)->st_cache_miss)) *
 			    100);
 		printf(".\n");
-	printf("%lu\tRequested pages mapped into the process' address space.\n",
+		dl("Requested pages mapped into the process' address space.\n",
 		    (u_long)(*fsp)->st_map);
-		printf("%lu\tRequested pages not found in the cache.\n",
+		dl("Requested pages not found in the cache.\n",
 		    (u_long)(*fsp)->st_cache_miss);
-		printf("%lu\tPages created in the cache.\n",
+		dl("Pages created in the cache.\n",
 		    (u_long)(*fsp)->st_page_create);
-		printf("%lu\tPages read into the cache.\n",
+		dl("Pages read into the cache.\n",
 		    (u_long)(*fsp)->st_page_in);
-	printf("%lu\tPages written from the cache to the backing file.\n",
+		dl("Pages written from the cache to the backing file.\n",
 		    (u_long)(*fsp)->st_page_out);
 	}
 }
@@ -358,46 +424,48 @@ void
 txn_stats(dbenv)
 	DB_ENV *dbenv;
 {
-	DB_TXN_STAT *tstat;
+	DB_TXN_STAT *sp;
 	u_int32_t i;
 	const char *p;
 
-	if (txn_stat(dbenv->tx_info, &tstat, NULL))
+	if (txn_stat(dbenv->tx_info, &sp, NULL))
 		err(1, NULL);
 
-	p = tstat->st_last_ckp.file == 0 ?
+	dl("Txn region reference count.\n", (u_long)sp->st_refcnt);
+	dl("Txn region size.\n", (u_long)sp->st_regsize);
+	p = sp->st_last_ckp.file == 0 ?
 	    "No checkpoint LSN." : "File/offset for last checkpoint LSN.";
-	printf("%lu/%lu\t%s\n", (u_long)tstat->st_last_ckp.file,
-	    (u_long)tstat->st_last_ckp.offset, p);
-	p = tstat->st_pending_ckp.file == 0 ?
+	printf("%lu/%lu\t%s\n",
+	    (u_long)sp->st_last_ckp.file, (u_long)sp->st_last_ckp.offset, p);
+	p = sp->st_pending_ckp.file == 0 ?
 	    "No pending checkpoint LSN." :
 	    "File/offset for last pending checkpoint LSN.";
 	printf("%lu/%lu\t%s\n",
-	    (u_long)tstat->st_pending_ckp.file,
-	    (u_long)tstat->st_pending_ckp.offset, p);
-	if (tstat->st_time_ckp == 0)
+	    (u_long)sp->st_pending_ckp.file,
+	    (u_long)sp->st_pending_ckp.offset, p);
+	if (sp->st_time_ckp == 0)
 		printf("0\tNo checkpoint timestamp.\n");
 	else
 		printf("%.24s\tCheckpoint timestamp.\n",
-		    ctime(&tstat->st_time_ckp));
+		    ctime(&sp->st_time_ckp));
 	printf("%lx\tLast transaction ID allocated.\n",
-	    (u_long)tstat->st_last_txnid);
-	printf("%lu\tMaximum number of active transactions.\n",
-	    (u_long)tstat->st_maxtxns);
-	printf("%lu\tNumber of transactions begun.\n",
-	    (u_long)tstat->st_nbegins);
-	printf("%lu\tNumber of transactions aborted.\n",
-	    (u_long)tstat->st_naborts);
-	printf("%lu\tNumber of transactions committed.\n",
-	    (u_long)tstat->st_ncommits);
-	printf("%lu\tActive transactions.\n", (u_long)tstat->st_nactive);
-	qsort(tstat->st_txnarray,
-	    tstat->st_nactive, sizeof(tstat->st_txnarray[0]), txn_compare);
-	for (i = 0; i < tstat->st_nactive; ++i)
+	    (u_long)sp->st_last_txnid);
+	dl("Maximum number of active transactions.\n", (u_long)sp->st_maxtxns);
+	dl("Number of transactions begun.\n", (u_long)sp->st_nbegins);
+	dl("Number of transactions aborted.\n", (u_long)sp->st_naborts);
+	dl("Number of transactions committed.\n", (u_long)sp->st_ncommits);
+	dl("The number of region locks granted without waiting.\n",
+	    (u_long)sp->st_region_nowait);
+	dl("The number of region locks granted after waiting.\n",
+	    (u_long)sp->st_region_wait);
+	dl("Active transactions.\n", (u_long)sp->st_nactive);
+	qsort(sp->st_txnarray,
+	    sp->st_nactive, sizeof(sp->st_txnarray[0]), txn_compare);
+	for (i = 0; i < sp->st_nactive; ++i)
 		printf("\tid: %lx; initial LSN file/offest %lu/%lu\n",
-		    (u_long)tstat->st_txnarray[i].txnid,
-		    (u_long)tstat->st_txnarray[i].lsn.file,
-		    (u_long)tstat->st_txnarray[i].lsn.offset);
+		    (u_long)sp->st_txnarray[i].txnid,
+		    (u_long)sp->st_txnarray[i].lsn.file,
+		    (u_long)sp->st_txnarray[i].lsn.offset);
 }
 
 int
@@ -417,25 +485,41 @@ txn_compare(a1, b1)
 }
 
 /*
+ * dl --
+ *	Display a big value.
+ */
+void
+dl(msg, value)
+	const char *msg;
+	u_long value;
+{
+	/*
+	 * Two formats: if less than 10 million, display as the number, if
+	 * greater than 10 million display as ###M.
+	 */
+	if (value < 10000000)
+		printf("%lu\t%s", value, msg);
+	else
+		printf("%luM\t%s", value / 1000000, msg);
+}
+
+/*
  * prflags --
  *	Print out flag values.
  */
 void
-prflags(flags, fn)
+prflags(flags, fnp)
 	u_int32_t flags;
-	FN const *fn;
-{
 	const FN *fnp;
-	int found;
+{
 	const char *sep;
 
 	sep = " ";
 	printf("Flags:");
-	for (found = 0, fnp = fn; fnp->mask != 0; ++fnp)
+	for (; fnp->mask != 0; ++fnp)
 		if (fnp->mask & flags) {
 			printf("%s%s", sep, fnp->name);
 			sep = ", ";
-			found = 1;
 		}
 	printf("\n");
 }
@@ -450,7 +534,7 @@ db_init(home, ttype)
 	test_t ttype;
 {
 	DB_ENV *dbenv;
-	int flags;
+	u_int32_t flags;
 
 	if ((dbenv = (DB_ENV *)malloc(sizeof(DB_ENV))) == NULL) {
 		errno = ENOMEM;
@@ -467,13 +551,16 @@ db_init(home, ttype)
 	switch (ttype) {
 	case T_DB:
 	case T_MPOOL:
-		flags |= DB_INIT_MPOOL;
+		LF_SET(DB_INIT_MPOOL);
+		break;
+	case T_LOCK:
+		LF_SET(DB_INIT_LOCK);
 		break;
 	case T_LOG:
-		flags |= DB_INIT_LOG;
+		LF_SET(DB_INIT_LOG);
 		break;
 	case T_TXN:
-		flags |= DB_INIT_TXN;
+		LF_SET(DB_INIT_TXN);
 		break;
 	case T_NOTSET:
 		abort();
@@ -493,7 +580,7 @@ db_init(home, ttype)
 
 	/* Turn off the DB_INIT_MPOOL flag if it's a database. */
 	if (ttype == T_DB)
-		flags &= ~DB_INIT_MPOOL;
+		LF_CLR(DB_INIT_MPOOL);
 
 	/* Set the error output options -- this time we want a message. */
 	memset(dbenv, 0, sizeof(*dbenv));
@@ -508,6 +595,21 @@ db_init(home, ttype)
 }
 
 /*
+ * argcheck --
+ *	Return if argument flags are okay.
+ */
+int
+argcheck(arg, ok_args)
+	char *arg;
+	const char *ok_args;
+{
+	for (; *arg != '\0'; ++arg)
+		if (strchr(ok_args, *arg) == NULL)
+			return (0);
+	return (1);
+}
+
+/*
  * oninit --
  *	Interrupt signal handler.
  */
@@ -523,6 +625,7 @@ onint(signo)
 void
 usage()
 {
-	fprintf(stderr, "usage: db_stat [-mlt] [-d file] [-h home]\n");
+	fprintf(stderr,
+    "usage: db_stat [-clmNt] [-C Acflmo] [-d file] [-h home] [-M Ahlm]\n");
 	exit (1);
 }