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authorUlrich Drepper <drepper@redhat.com>1997-09-30 17:10:40 +0000
committerUlrich Drepper <drepper@redhat.com>1997-09-30 17:10:40 +0000
commita5a0310d8e9d7176bb17e91c916272006a871016 (patch)
treeb922b764878596e6ee42ae84cc315ecaaac00505 /db2/hash/hash.c
parenta2b08ee54130cf3a74655856e6ca6c29874a9df2 (diff)
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1997-09-30 18:03  Ulrich Drepper  <drepper@cygnus.com>

	* Makerules: Undo last change.
	* csu/Makefile: Define before-compile at the right place.

	* aclocal.m4: Remove a.out file created by assembler test.

	* set-init.c: Find set-hooks.h using <...>.

	Update to db 2.3.10.
	* db2/Makefile: Update.
	* db2/db.h: Likewise.
	* db2/db_185.h: Likewise.
	* db2/db_int.h: Likewise.
	* db2/btree/bt_close.c: Likewise.
	* db2/btree/bt_conv.c: Likewise.
	* db2/btree/bt_cursor.c: Likewise.
	* db2/btree/bt_put.c: Likewise.
	* db2/btree/bt_rec.c: Likewise.
	* db2/btree/bt_recno.c: Likewise.
	* db2/btree/btree.src: Likewise.
	* db2/btree/btree_auto.c: Likewise.
	* db2/clib/getlong.c: Likewise.
	* db2/db/db.c: Likewise.
	* db2/db/db_auto.c: Likewise.
	* db2/db/db_conv.c: Likewise.
	* db2/db/db_pr.c: Likewise.
	* db2/db/db_ret.c: Likewise.
	* db2/db/db_thread.c: Likewise.
	* db2/hash/hash.c: Likewise.
	* db2/hash/hash_auto.c: Likewise.
	* db2/hash/hash_conv.c: Likewise.
	* db2/hash/hash_dup.c: Likewise.
	* db2/hash/hash_func.c: Likewise.
	* db2/hash/hash_page.c: Likewise.
	* db2/hash/hash_rec.c: Likewise.
	* db2/include/btree.h: Likewise.
	* db2/include/btree_ext.h: Likewise.
	* db2/include/db.h.src: Likewise.
	* db2/include/db_185.h.src: Likewise.
	* db2/include/db_cxx.h: Likewise.
	* db2/include/db_ext.h: Likewise.
	* db2/include/db_int.h.src: Likewise.
	* db2/include/db_page.h: Likewise.
	* db2/include/db_shash.h: Likewise.
	* db2/include/lock.h: Likewise.
	* db2/include/log.h: Likewise.
	* db2/include/log_ext.h: Likewise.
	* db2/include/mp.h: Likewise.
	* db2/include/shqueue.h: Likewise.
	* db2/include/txn.h: Likewise.
	* db2/lock/lock.c: Likewise.
	* db2/lock/lock_deadlock.c: Likewise.
	* db2/log/log.c: Likewise.
	* db2/log/log_archive.c: Likewise.
	* db2/log/log_auto.c: Likewise.
	* db2/log/log_get.c: Likewise.
	* db2/log/log_put.c: Likewise.
	* db2/log/log_register.c: Likewise.
	* db2/mp/mp_bh.c: Likewise.
	* db2/mp/mp_fget.c: Likewise.
	* db2/mp/mp_fopen.c: Likewise.
	* db2/mp/mp_fput.c: Likewise.
	* db2/mp/mp_fset.c: Likewise.
	* db2/mp/mp_open.c: Likewise.
	* db2/mutex/mutex.c: Likewise.
	* db2/os/db_os_dir.c: Likewise.
	* db2/progs/db_checkpoint/db_checkpoint.c: Likewise.
	* db2/progs/db_deadlock/db_deadlock.c: Likewise.
	* db2/progs/db_dump185/db_dump185.c: Likewise.
	* db2/progs/db_load/db_load.c: Likewise.
	* db2/progs/db_recover/db_recover.c: Likewise.
	* db2/txn/txn.c: Likewise.
	* db2/txn/txn_auto.c: Likewise.

	* elf/link.h: Define struct libname_list outside struct link_map
	to not confuse C++ compilers.

	* include/features.h: Recognize _XOPEN_SOURCE == 500 and set
	__USE_UNIX98.
	* manual/creature.texi: Explain this.

	* libc.map: Add new functions.

	* libio/Makefile (routines): Add fseeko and ftello.
	* libio/ftello.c: New file.
	* libio/fseeko.c: New file.
	* libio/stdio.h: Add prototypes for new functions.
	* manual/stdio.texi: Document fseeko and ftello.

	* posix/Makefile (routines): Add pread and pwrite.
	* sysdeps/posix/pread.c: New file.
	* sysdeps/posix/pwrite.c: New file.
	* sysdeps/stub/pread.c: New file.
	* sysdeps/stub/pwrite.c: New file.
	* posix/unistd.h: Add prototypes for pread and pwrite.
	Pretty print header.
	Define gid_t, uid_t, off_t, pid_t if __USE_UNIX98.
	Declare ctermid and cuserid if __USE_UNIX98.
	(swab): Change to take void * arguments.
	* string/swab.c: Change parameter to void *.
	* posix/sys/types: Define gid_t, uid_t, off_t, pid_t only if not
	already happened.
	* manual/llio.texi: Document pread and pwrite.

	* string/strings.h: Don't simply include string.h.  Define BSD
	functions according to Unix98.
	* stdlib/tst-strtol.c: Include <string.h> not <strings.h>.
	* sunrpc/clnt_simp.c: Likewise.

	* malloc/Makefile (aux): Add set-freeres.
	* malloc/mtrace.c: Define function release_libc_mem which calls the
	__libc_subfreeres handler.
	(mtrace): Register release_libc_mem.
	* malloc/set-freeres.c: New file.

	* intl/dcgettext.c: Define free_mem function and add to
	__libc_subfreeres list.
	* intl/finddomain.c: Likewise.
	* intl/gettextP.h (struct loaded_domain): Add new fields use_mmap
	and mmap_size.  Add prototype for _nl_unloaded_domain.
	* intl/loadmsgcat.c: Define new function _nl_unload_domain.
	(_nl_load_domain): Store informaiton about mmap use and file size.
	* intl/localealias.c (read_alias_file): Optimize locale alias file
	reading by avoid frequen mallocs.
	Define free_mem function and add to __libc_subfreeres list.

	* locale/localeinfo.h: Make a difference between MAX_USAGE_COUNT and
	undeletable.
	Add prototype for _nl_unload_locale.
	* locale/C-collate: Mark data as undeletable by using UNDELETABLE.
	* locale/C-ctype: Likewise.
	* locale/C-messages: Likewise.
	* locale/C-monetary: Likewise.
	* locale/C-numeric: Likewise.
	* locale/C-time: Likewise.
	* locale/findlocale.c (_nl_find_locale, _nl_remove_locale): Handle
	MAX_USAGE_COUNT and UNDELETABLE.
	(free_mem): New function.  Add it to __libc_subfreeres list.
	* locale/loadlocale.c: Define _nl_unload_locale function.

	* misc/hsearch.c: Register hdestroy in __libc_subfreeres list.

	* stdlib/fmtmsg.c (addseverity): Handle illegal severity arguments
	correctly
	Define free_mem function and add to __libc_subfreeres list.

	* locale/programs/localedef.c (options): short form os verbose is v.
	Reported by Andreas Jaeger.

	* misc/sys/select.h: Define pselect only is __USE_POSIX since this
	header is used in some others as well for historical reasons.

	* resolv/resolv.h: Include <netinet/in.h> to make self-contained.

	* string/bits/string2.h: Add missing braces and optimize strcmp a
	bit more.
	* sysdeps/i386/i486/bits/string.h: Likewise.

	* sunrpc/rpc/auth_des.h: Include rpc/auth.h to be self-contained.
	Pretty print.

	* sysdeps/mach/hurd/cthreads.c: Add copyright text.

	* sysdeps/unix/sysv/linux/syscalls.list: Correct prctl entry.

	* sysdeps/unix/sysv/linux/sys/mman.h: Get definition of size_t.

	* time/time.h: Pretty print.

1997-09-29  Paul Eggert  <eggert@twinsun.com>

	* time/strftime.c: Synchronize with GNU Emacs strftime.c.
	(HAVE_MEMCPY): Define if emacs is defined and HAVE_BCOPY isn't.
	(gmtime_r, localtime_r): Undef before defining.
	(iso_week_days): Use __inline__, not inline.

1997-09-27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/m68k/fpu/bits/mathinline.h: Rename exp2{,l,f} to
	__ieee754_exp2{,l,f}.
	* sysdeps/m68k/fpu/s_exp2.c: Likewise.
	* sysdeps/m68k/fpu/s_exp2l.c: Likewise.
	* sysdeps/m68k/fpu/s_exp2f.c: Likewise.

1997-09-27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/soinit.c (__EH_FRAME_BEGIN__): Don't make the .eh_frame
	section read-only, it contains relocations.
	* elf/sofini.c (__FRAME_END__): Likewise.

1997-09-29 03:08  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/i386/i486/bits/string.h [__PIC__] (__strspn_cg, __strcspn_cg,
	__strpbrk_cg, __strstr_cg): Optimize even more.  No spill register
	needed.  Patch by NIIBE Yutaka <gniibe@mri.co.jp>.

1997-09-28 08:27  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* nis/nis_call.c (__do_niscall2): Fix return code, add missing
	  break in switch case.

	* nis/nis_mkdir.c: Fix return codes to match Solaris version.
	* nis/nis_rmdir.c: Likewise.

	* nis/rpcsvc/yp_prot.h: Rename struct keydat to struct keydat_t
	for C++.

1997-09-28 04:32  Ulrich Drepper  <drepper@cygnus.com>

	* configure.in: Fix typo.
	Patch by Zack Weinberg <zack@rabi.phys.columbia.edu>.

1997-09-25 20:14  Philip Blundell  <Philip.Blundell@pobox.com>

	* sysdeps/unix/sysv/linux/scsi/sg.h: New file.
	* sysdeps/unix/sysv/linux/Makefile: Install <scsi/sg.h>.
Diffstat (limited to 'db2/hash/hash.c')
-rw-r--r--db2/hash/hash.c90
1 files changed, 53 insertions, 37 deletions
diff --git a/db2/hash/hash.c b/db2/hash/hash.c
index 6d8c40057d..d986e08087 100644
--- a/db2/hash/hash.c
+++ b/db2/hash/hash.c
@@ -47,7 +47,7 @@
 #include "config.h"
 
 #ifndef lint
-static const char sccsid[] = "@(#)hash.c	10.25 (Sleepycat) 8/24/97";
+static const char sccsid[] = "@(#)hash.c	10.27 (Sleepycat) 9/15/97";
 #endif /* not lint */
 
 #ifndef NO_SYSTEM_INCLUDES
@@ -573,8 +573,6 @@ __ham_c_close(cursor)
 	DBC *cursor;
 {
 	DB  *ldbp;
-	HTAB *hashp;
-	HASH_CURSOR *hcp;
 	int ret;
 
 	DEBUG_LWRITE(cursor->dbp, cursor->txn, "ham_c_close", NULL, NULL, 0);
@@ -590,8 +588,32 @@ __ham_c_close(cursor)
 	if (F_ISSET(cursor->dbp, DB_AM_THREAD) &&
 	    (ret = __db_gethandle(cursor->dbp, __ham_hdup, &ldbp)) != 0)
 		return (ret);
-	hashp = (HTAB *)ldbp->internal;
-	hcp = (HASH_CURSOR *)cursor->internal;
+
+	ret = __ham_c_iclose(ldbp, cursor);
+
+	if (F_ISSET(ldbp, DB_AM_THREAD))
+		__db_puthandle(ldbp);
+	return (ret);
+}
+/*
+ * __ham_c_iclose --
+ *
+ * Internal cursor close routine; assumes it is being passed the correct
+ * handle, rather than getting and putting a handle.
+ *
+ * PUBLIC: int __ham_c_iclose __P((DB *, DBC *));
+ */
+int
+__ham_c_iclose(dbp, dbc)
+	DB *dbp;
+	DBC *dbc;
+{
+	HASH_CURSOR *hcp;
+	HTAB *hashp;
+	int ret;
+
+	hashp = (HTAB *)dbp->internal;
+	hcp = (HASH_CURSOR *)dbc->internal;
 	ret = __ham_item_done(hashp, hcp, 0);
 
 	if (hcp->big_key)
@@ -602,19 +624,16 @@ __ham_c_close(cursor)
 	/*
 	 * All cursors (except the default ones) are linked off the master.
 	 * Therefore, when we close the cursor, we have to remove it from
-	 * the master, not the local one.  When we are closing the file in
-	 * its entirety, then we clear the THREAD bit and the master and
-	 * local are identical, so we remove the correct one.
+	 * the master, not the local one.
+	 * XXX I am always removing from the master; what about local cursors?
 	 */
-	DB_THREAD_LOCK(cursor->dbp);
-	TAILQ_REMOVE(&cursor->dbp->curs_queue, cursor, links);
-	DB_THREAD_UNLOCK(cursor->dbp);
-
-	if (F_ISSET(cursor->dbp, DB_AM_THREAD))
-		__db_puthandle(ldbp);
+	DB_THREAD_LOCK(dbc->dbp);
+	TAILQ_REMOVE(&dbc->dbp->curs_queue, dbc, links);
+	DB_THREAD_UNLOCK(dbc->dbp);
 
 	FREE(hcp, sizeof(HASH_CURSOR));
-	FREE(cursor, sizeof(DBC));
+	FREE(dbc, sizeof(DBC));
+
 	return (ret);
 }
 
@@ -695,10 +714,9 @@ __ham_c_del(cursor, flags)
 			hcp->dndx = 0;				/* Case 2 */
 			hcp->dpgno = PGNO(hcp->dpagep);
 			if (ppgno == PGNO_INVALID)
-				memcpy(P_ENTRY(hcp->pagep,
-				    H_DATAINDEX(hcp->bndx)) +
-				    SSZ(HOFFDUP, pgno), &hcp->dpgno,
-				    sizeof(db_pgno_t));
+				memcpy(HOFFDUP_PGNO(P_ENTRY(hcp->pagep,
+				    H_DATAINDEX(hcp->bndx))),
+				    &hcp->dpgno, sizeof(db_pgno_t));
 			F_SET(hcp, H_DELETED);
 		} else					/* Case 1 */
 			F_SET(hcp, H_DELETED);
@@ -1051,18 +1069,17 @@ __ham_dup_return(hashp, hcp, val, flags)
 	DBT *val;
 	int flags;
 {
-	HKEYDATA *hk;
 	PAGE *pp;
 	DBT *myval, tmp_val;
 	db_indx_t ndx;
 	db_pgno_t pgno;
-	u_int8_t type;
+	u_int8_t *hk, type;
 	int indx, ret;
 	db_indx_t len;
 
 	/* Check for duplicate and return the first one. */
 	ndx = H_DATAINDEX(hcp->bndx);
-	type = GET_HKEYDATA(hcp->pagep, ndx)->type;
+	type = HPAGE_TYPE(hcp->pagep, ndx);
 	pp = hcp->pagep;
 	myval = val;
 
@@ -1088,7 +1105,8 @@ __ham_dup_return(hashp, hcp, val, flags)
 				hcp->dndx = 0;
 				hcp->dup_off = 0;
 				do {
-					memcpy(&len, hk->data + hcp->dup_off,
+					memcpy(&len,
+					    HKEYDATA_DATA(hk) + hcp->dup_off,
 					    sizeof(db_indx_t));
 					hcp->dup_off += DUP_SIZE(len);
 					hcp->dndx++;
@@ -1096,15 +1114,15 @@ __ham_dup_return(hashp, hcp, val, flags)
 				hcp->dup_off -= DUP_SIZE(len);
 				hcp->dndx--;
 			} else {
-				memcpy(&len, hk->data, sizeof(db_indx_t));
+				memcpy(&len,
+				    HKEYDATA_DATA(hk), sizeof(db_indx_t));
 				hcp->dup_off = 0;
 				hcp->dndx = 0;
 			}
 			hcp->dup_len = len;
 		} else if (type == H_OFFDUP) {
 			F_SET(hcp, H_ISDUP);
-			memcpy(&pgno,
-			    P_ENTRY(hcp->pagep, ndx) + SSZ(HOFFDUP, pgno),
+			memcpy(&pgno, HOFFDUP_PGNO(P_ENTRY(hcp->pagep, ndx)),
 			    sizeof(db_pgno_t));
 			if (flags == DB_LAST || flags == DB_PREV) {
 				indx = (int)hcp->dndx;
@@ -1166,7 +1184,7 @@ __ham_overwrite(hashp, hcp, nval)
 	DBT *nval;
 {
 	DBT *myval, tmp_val;
-	HKEYDATA *hk;
+	u_int8_t *hk;
 
 	if (F_ISSET(hashp->dbp, DB_AM_DUP))
 		return (__ham_add_dup(hashp, hcp, nval, DB_KEYLAST));
@@ -1176,10 +1194,9 @@ __ham_overwrite(hashp, hcp, nval)
 		F_SET(&tmp_val, DB_DBT_PARTIAL);
 		tmp_val.doff = 0;
 		hk = H_PAIRDATA(hcp->pagep, hcp->bndx);
-		if (hk->type == H_OFFPAGE)
+		if (HPAGE_PTYPE(hk) == H_OFFPAGE)
 			memcpy(&tmp_val.dlen,
-			    (u_int8_t *)hk + SSZ(HOFFPAGE, tlen),
-			    sizeof(u_int32_t));
+			    HOFFPAGE_TLEN(hk), sizeof(u_int32_t));
 		else
 			tmp_val.dlen = LEN_HDATA(hcp->pagep,
 			    hashp->hdr->pagesize,hcp->bndx);
@@ -1207,10 +1224,10 @@ __ham_lookup(hashp, hcp, key, sought, mode)
 	u_int32_t sought;
 	db_lockmode_t mode;
 {
-	HKEYDATA *hk;
 	db_pgno_t pgno;
 	u_int32_t tlen;
 	int match, ret, t_ret;
+	u_int8_t *hk;
 
 	/*
 	 * Set up cursor so that we're looking for space to add an item
@@ -1229,14 +1246,12 @@ __ham_lookup(hashp, hcp, key, sought, mode)
 			break;
 
 		hk = H_PAIRKEY(hcp->pagep, hcp->bndx);
-		switch (hk->type) {
+		switch (HPAGE_PTYPE(hk)) {
 		case H_OFFPAGE:
-			memcpy(&tlen, (u_int8_t *)hk + SSZ(HOFFPAGE, tlen),
-			    sizeof(u_int32_t));
+			memcpy(&tlen, HOFFPAGE_TLEN(hk), sizeof(u_int32_t));
 			if (tlen == key->size) {
 				memcpy(&pgno,
-				    (u_int8_t *)hk + SSZ(HOFFPAGE, pgno),
-				    sizeof(db_pgno_t));
+				    HOFFPAGE_PGNO(hk), sizeof(db_pgno_t));
 				match = __db_moff(hashp->dbp, key, pgno);
 				if (match == 0) {
 					F_SET(hcp, H_OK);
@@ -1247,7 +1262,8 @@ __ham_lookup(hashp, hcp, key, sought, mode)
 		case H_KEYDATA:
 			if (key->size == LEN_HKEY(hcp->pagep,
 			    hashp->hdr->pagesize, hcp->bndx) &&
-			    memcmp(key->data, hk->data, key->size) == 0) {
+			    memcmp(key->data,
+			    HKEYDATA_DATA(hk), key->size) == 0) {
 				F_SET(hcp, H_OK);
 				return (0);
 			}