Update. cvs/libc-ud-970930

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>.

1 files changed, 18 insertions, 9 deletions

diff --git a/db2/include/txn.h b/db2/include/txn.h
index f4e0999b36..8bb3976c1c 100644
--- a/db2/include/txn.h
+++ b/db2/include/txn.h
@@ -4,7 +4,7 @@
  * Copyright (c) 1996, 1997
  *	Sleepycat Software.  All rights reserved.
  *
- *	@(#)txn.h	10.6 (Sleepycat) 7/29/97
+ *	@(#)txn.h	10.10 (Sleepycat) 9/23/97
  */
 #ifndef	_TXN_H_
 #define	_TXN_H_
@@ -14,8 +14,9 @@
  * the region is always created group RW of the group owning the directory.
  */
 #define	DEFAULT_TXN_FILE	"__db_txn.share"
+/* TXN_MINIMUM = (DB_LOCK_MAXID + 1) but this makes compilers complain. */
+#define TXN_MINIMUM		0x80000000
 #define	TXN_INVALID           	0xffffffff /* Maximum number of txn ids. */
-#define TXN_MINIMUM		0x80000000 /* First transaction id */
 
 /*
  * Transaction type declarations.
@@ -36,6 +37,7 @@ typedef struct __txn_detail {
 #define	TXN_ABORTED	2
 #define	TXN_PREPARED	3
 	u_int32_t status;		/* status of the transaction */
+	SH_TAILQ_ENTRY	links;		/* free/active list */
 } TXN_DETAIL;
 
 /*
@@ -45,7 +47,7 @@ typedef struct __txn_detail {
  */
 struct __db_txnmgr {
 /* These fields need to be protected for multi-threaded support. */
-	db_mutex_t	mutex;		/* Synchronization. */
+	db_mutex_t	*mutexp;	/* Synchronization. */
 					/* list of active transactions */
 	TAILQ_HEAD(_chain, __db_txn)	txn_chain;
 
@@ -57,11 +59,14 @@ struct __db_txnmgr {
 	u_int		 flags;		/* DB_TXN_NOSYNC, DB_THREAD */
 	size_t		 reg_size;	/* how large we think the region is */
 	DB_TXNREGION	*region;	/* address of shared memory region */
+	void		*mem;		/* address of the shalloc space */
 };
 
 /*
  * Layout of the shared memory region.
- *
+ * The region consists of a DB_TXNREGION structure followed by a large
+ * pool of shalloc'd memory which is used to hold TXN_DETAIL structures
+ * and thread mutexes (which are dynamically allocated).
  */
 struct __db_txnregion {
 	RLAYOUT		hdr;		/* Shared memory region header. */
@@ -69,7 +74,6 @@ struct __db_txnregion {
 	u_int32_t	version;	/* version number */
 	u_int32_t	maxtxns;	/* maximum number of active txns */
 	u_int32_t	last_txnid;	/* last transaction id given out */
-	u_int32_t	free_txn;	/* head of transaction free list */
 	DB_LSN		pending_ckp;	/* last checkpoint did not finish */
 	DB_LSN		last_ckp;	/* lsn of the last checkpoint */
 	time_t		time_ckp;	/* time of last checkpoint */
@@ -78,20 +82,25 @@ struct __db_txnregion {
 	u_int32_t	naborts;	/* number of aborted transactions */
 	u_int32_t	ncommits;	/* number of committed transactions */
 	u_int32_t	nbegins;	/* number of begun transactions */
-	TXN_DETAIL	table[1];	/* array of TXN structures */
+	SH_TAILQ_HEAD(_active) active_txn;	/* active transaction list */
 };
 
+/*
+ * Make the region large enough to hold N  transaction detail structures
+ * plus some space to hold thread handles and the beginning of the shalloc
+ * region.
+ */
 #define	TXN_REGION_SIZE(N)						\
-			(sizeof(DB_TXNREGION) + N * sizeof(DB_TXN))
+	(sizeof(DB_TXNREGION) + N * sizeof(TXN_DETAIL) + 1000)
 
 /* Macros to lock/unlock the region and threads. */
 #define	LOCK_TXNTHREAD(tmgrp)						\
 	if (F_ISSET(tmgrp, DB_THREAD))					\
-		(void)__db_mutex_lock(&(tmgrp)->mutex, -1,		\
+		(void)__db_mutex_lock((tmgrp)->mutexp, -1,		\
 		    (tmgrp)->dbenv == NULL ? NULL : (tmgrp)->dbenv->db_yield)
 #define	UNLOCK_TXNTHREAD(tmgrp)						\
 	if (F_ISSET(tmgrp, DB_THREAD))					\
-		(void)__db_mutex_unlock(&(tmgrp)->mutex, -1)
+		(void)__db_mutex_unlock((tmgrp)->mutexp, -1)
 
 #define	LOCK_TXNREGION(tmgrp)						\
 	(void)__db_mutex_lock(&(tmgrp)->region->hdr.lock,(tmgrp)->fd,	\