Update.

1998-01-26 00:57  Ulrich Drepper  <drepper@cygnus.com>

	* db2/Makefile (routines): Add os_alloc.
	* db2/db.h: Update from db-2.3.16.
	* db2/db_185.h: Likewise.
	* db2/db_int.h: Likewise.
	* db2/btree/bt_close.c: Likewise.
	* db2/btree/bt_cursor.c: Likewise.
	* db2/btree/bt_delete.c: Likewise.
	* db2/btree/bt_open.c: Likewise.
	* db2/btree/bt_page.c: Likewise.
	* db2/btree/bt_put.c: Likewise.
	* db2/btree/bt_rec.c: Likewise.
	* db2/btree/bt_recno.c: Likewise.
	* db2/btree/btree_auto.c: Likewise.
	* db2/common/db_appinit.c: Likewise.
	* db2/common/db_apprec.c: Likewise.
	* db2/common/db_err.c: Likewise.
	* db2/common/db_region.c: Likewise.
	* db2/common/db_shash.c: Likewise.
	* db2/db/db.c: Likewise.
	* db2/db/db_auto.c: Likewise.
	* db2/db/db_conv.c: Likewise.
	* db2/db/db_dispatch.c: Likewise.
	* db2/db/db_dup.c: Likewise.
	* db2/db/db_pr.c: Likewise.
	* db2/db/db_rec.c: Likewise.
	* db2/db185/db185.c: Likewise.
	* db2/dbm/dbm.c: Likewise.
	* db2/hash/hash.c: Likewise.
	* db2/hash/hash_auto.c: Likewise.
	* db2/hash/hash_dup.c: Likewise.
	* db2/hash/hash_page.c: Likewise.
	* db2/hash/hash_rec.c: Likewise.
	* db2/include/btree_ext.h: Likewise.
	* db2/include/clib_ext.h: Likewise.
	* db2/include/common_ext.h: Likewise.
	* db2/include/db.h.src: Likewise.
	* db2/include/db_185.h.src: Likewise.
	* db2/include/db_am.h: Likewise.
	* db2/include/db_ext.h: Likewise.
	* db2/include/db_int.h.src: Likewise.
	* db2/include/hash_ext.h: Likewise.
	* db2/include/lock_ext.h: Likewise.
	* db2/include/log.h: Likewise.
	* db2/include/log_auto.h: Likewise.
	* db2/include/log_ext.h: Likewise.
	* db2/include/mp.h: Likewise.
	* db2/include/mp_ext.h: Likewise.
	* db2/include/mutex_ext.h: Likewise.
	* db2/include/os_ext.h: Likewise.
	* db2/include/os_func.h: Likewise.
	* db2/include/txn_ext.h: Likewise.
	* db2/lock/lock.c: Likewise.
	* db2/lock/lock_util.c: Likewise.
	* db2/log/log.c: Likewise.
	* db2/log/log.src: 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_rec.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_pr.c: Likewise.
	* db2/mp/mp_sync.c: Likewise.
	* db2/mutex/mutex.c: Likewise.
	* db2/os/os_alloc.c: Likewise.
	* db2/os/os_config.c: Likewise.
	* db2/os/os_stat.c: Likewise.
	* db2/progs/db_checkpoint/db_checkpoint.c: Likewise.
	* db2/progs/db_deadlock/db_deadlock.c: Likewise.
	* db2/progs/db_load/db_load.c: Likewise.
	* db2/progs/db_printlog/db_printlog.c: Likewise.
	* db2/progs/db_recover/db_recover.c: Likewise.
	* db2/progs/db_stat/db_stat.c: Likewise.
	* db2/txn/txn.c: Likewise.

	* elf/dl-close.c (_dl_close): Rename inner variable named map to imap.
	Unmap memory blocks in reverse order of allocation.
	Call munmap with load address added to offset.
	Bug reported by Miguel de Icaza.

	* locale/programs/ld-collate.c (collate_end_weight): Correctly fill
	up weight array.

	* localedata/locales/cs_CZ: Update by Michael Mraka
	<michael@informatics.muni.cz>.

	* misc/sys/syslog.h: Reformat a bit.  Don't declare vsyslog unless
	__USE_BSD.

	* nis/nss_compat/compat-grp.c: Correctly handle buffer overflow while
	reading line with fgets.
	* nis/nss_compat/compat-pwd.c: Likewise.
	* nis/nss_compat/compat-spwd.c: Likewise.
	* nss/nss_files/files-XXX.c: Likewise.
	* nss/nss_files/files-alias.c: Likewise.
	* shadow/fgetspent_r.c: Likewise.

	* string/strerror_r.c: Correct comment.  Patch by Andreas Jaeger.

	* sysdeps/unix/sysv/linux/bits/stat.h: Define _STATBUF_ST_RDEV.
	* sysdeps/unix/sysv/linux/alpha/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/stat.h: Likewise.

	* sysdeps/unix/sysv/linux/i386/sys/ucontext.h: Allocate room for
	FP register content in ucontext_t.

1998-01-22  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/libm-ieee754/s_modfl.c (modf): Correct
	calculation.  Patch by Markus Schoder
	<Markus.Schoder@dresdner-bank.de>.

	* math/libm-test.c (modf_test): Add more tests for modf.

	* sysdeps/unix/sysv/linux/sys/mman.h: Add const to mlock and
	munlock according to Unix98.

1998-01-25  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* nss/nss_files/files-network.c (LINE_PARSER): Set n_addrtype to
	AF_INET.

1998-01-21 07:22  H.J. Lu  <hjl@gnu.org>

	* sysdeps/posix/ttyname.c: Handle symbolic links.
	* sysdeps/posix/ttyname_r.c: Ditto.

1998-01-25 19:39  Ulrich Drepper  <drepper@cygnus.com>

	* db2/makedb.c (process_input): Write terminating \0 for value.
	(print_database): Simply print value string, don't use length.

1998-01-24  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* nss/nsswitch.c (__nss_configure_lookup): Correct test for early
	exit of loop.

1998-01-25  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* nis/ypclnt.c: Don't set dom_client to NULL, or we will not
	close all sockets.

1998-01-25 14:54  Ulrich Drepper  <drepper@cygnus.com>

	* signal/Makefile (routines): Add sighold, sigrelse, sigignore, and
	sigset.
	* signal/sighold.c: New file.
	* signal/sigrelse.c: New file.
	* sysdeps/generic/sigignore.c: New file.
	* sysdeps/generic/sigset.c: New file.
	* sysdeps/posix/sigignore.c: New file.
	* sysdeps/posix/sigset.c: New file.
	* signal/signal.h: Add prototypes for new functions.

	* sysdeps/unix/sysv/linux/alpha/bits/signum.h: Define SIG_HOLD.
	* sysdeps/unix/sysv/linux/bits/signum.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/signum.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/signum.h: Likewise.

1998-01-23 00:16  Tim Waugh  <tim@cyberelk.demon.co.uk>

	* posix/wordexp.c: Added IFS field-splitting in parameter and
	command substitution.  Fixed an IFS-related bug that caused an
	infinite loop.

1998-01-25 12:38  Ulrich Drepper  <drepper@cygnus.com>

	* stdlib/Makefile (routines): Add getcontext, setcontext, makecontext,
	and swapcontext.
	* stdlib/ucontext.h: Correct prototypes.
	* sysdeps/generic/getcontext.c: New file.
	* sysdeps/generic/setcontext.c: New file.
	* sysdeps/generic/makecontext.c: New file.
	* sysdeps/generic/swapcontext.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/Makefile: Removed.

1998-01-25 04:07  Ulrich Drepper  <drepper@cygnus.com>

	* resource/sys/resource.h: Remove #include of ulimit.h which is
	not allowed by SUSv2 and not available on other systems.
	* sysdeps/unix/sysv/linux/ulimit.c: Include ulimit.h.

	* streams/Makefile: New file.
	* streams/stropts.h: New file.
	* sysdeps/generic/bits/stropts.h: New file.
	* sysdeps/generic/isastream.c: New file.
	* sysdeps/generic/getmsg.c: New file.
	* sysdeps/generic/getpmsg.c: New file.
	* sysdeps/generic/putmsg.c: New file.
	* sysdeps/generic/putpmsg.c: New file.
	* sysdeps/generic/fattach.c: New file.
	* sysdeps/generic/fdetach.c: New file.
	* sysdeps/unix/inet/Subdirs: Add streams.
	* sysdeps/generic/bits/types.h: Add definition of __t_scalar_t and
	__t_uscalar_t.
	* sysdeps/unix/sysv/linux/bits/types.h: Likewise.
	* sysdeps/unix/sysv/linux/alpha/bits/types.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/types.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/bits/types.h: Likewise.

	* sysdeps/mach/_strerror.c: Follow changes of generic version to
	handle small buffers correctly.

1998-01-24 17:31  H.J. Lu  <hjl@gnu.org>

	* sysdeps/alpha/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
	Remove the 3rd arg and add declaration for _dl_runtime_resolve
	and _dl_runtime_profile.

1998-01-25 02:42  Ulrich Drepper  <drepper@cygnus.com>

	* include/cpio.h: New file.  Mainly copied from GNU cpio.
	* posix/Makefile (headers): Add cpio.h.

1 files changed, 21 insertions, 12 deletions

diff --git a/db2/include/mp.h b/db2/include/mp.h
index f108246f2c..4efbf9b95e 100644
--- a/db2/include/mp.h
+++ b/db2/include/mp.h
@@ -4,7 +4,7 @@
  * Copyright (c) 1996, 1997
  *	Sleepycat Software.  All rights reserved.
  *
- *	@(#)mp.h	10.22 (Sleepycat) 11/28/97
+ *	@(#)mp.h	10.25 (Sleepycat) 1/8/98
  */
 
 struct __bh;		typedef struct __bh BH;
@@ -41,13 +41,17 @@ struct __mpoolfile;	typedef struct __mpoolfile MPOOLFILE;
  *	Acquire the region lock.
  *	Find the buffer header.
  *	Increment the reference count (guarantee the buffer stays).
- *	If the BH_LOCKED flag is set (I/O is going on):
- *		Release the region lock.
- *		Request the buffer lock.
- *		The I/O will complete...
- *		Acquire the buffer lock.
- *		Release the buffer lock.
- *		Acquire the region lock.
+ *	While the BH_LOCKED flag is set (I/O is going on) {
+ *	    Release the region lock.
+ *		Explicitly yield the processor if it's not the first pass
+ *		through this loop, otherwise, we can simply spin because
+ *		we'll be simply switching between the two locks.
+ *	    Request the buffer lock.
+ *	    The I/O will complete...
+ *	    Acquire the buffer lock.
+ *	    Release the buffer lock.
+ *	    Acquire the region lock.
+ *	}
  *	Return the buffer.
  *
  * Reading/writing a buffer:
@@ -57,12 +61,16 @@ struct __mpoolfile;	typedef struct __mpoolfile MPOOLFILE;
  *	Set the BH_LOCKED flag.
  *	Acquire the buffer lock (guaranteed not to block).
  *	Release the region lock.
- *	Do the I/O and/or initialize buffer contents.
+ *	Do the I/O and/or initialize the buffer contents.
+ *	Release the buffer lock.
+ *	    At this point, the buffer lock is available, but the logical
+ *	    operation (flagged by BH_LOCKED) is not yet completed.  For
+ *	    this reason, among others, threads checking the BH_LOCKED flag
+ *	    must loop around their test.
  *	Acquire the region lock.
  *	Clear the BH_LOCKED flag.
  *	Release the region lock.
- *	Release the buffer lock.
- *	If reading, return the buffer.
+ *	Return/discard the buffer.
  *
  * Pointers to DB_MPOOL, MPOOL, DB_MPOOLFILE and MPOOLFILE structures are not
  * reacquired when a region lock is reacquired because they couldn't have been
@@ -70,7 +78,8 @@ struct __mpoolfile;	typedef struct __mpoolfile MPOOLFILE;
  */
 #define	LOCKINIT(dbmp, mutexp)						\
 	if (F_ISSET(dbmp, MP_LOCKHANDLE | MP_LOCKREGION))		\
-		(void)__db_mutex_init(mutexp, (dbmp)->fd)
+		(void)__db_mutex_init(mutexp,				\
+		    MUTEX_LOCK_OFFSET((dbmp)->maddr, mutexp))
 
 #define	LOCKHANDLE(dbmp, mutexp)					\
 	if (F_ISSET(dbmp, MP_LOCKHANDLE))				\