Update.

1997-09-11 04:36  Ulrich Drepper  <drepper@cygnus.com>

	* db2/db_int.h: Define __set_errno if not yet available.
	* db2/btree/bt_rec.c: Use __set_errno to set errno value.
	* db2/clib/getlong.c: Likewise.
	* db2/db185/db185.c: Likewise.
	* db2/db185/db185_int.h: Likewise.
	* db2/dbm/dbm.c: Likewise.
	* db2/lock/lock_deadlock.c: Likewise.
	* db2/log/log_archive.c: Likewise.

	* elf/dl-profile.c: Implement mcount function.

	* gmon/gmon.c: Use __profil not profil because of namespace pollution.
	* gmon/mcount.c: Remove BSD kernel code.
	Use compare&swap instruction if possible to change state variable.
	Optimize frompc folding.
	* gmon/sys/gmon.h (struct gmonparam): Change state field to long int.
	* sysdeps/i386/i486/atomicity.h: New file.
	* sysdeps/stub/atomicity.h: New file.
	* sysdeps/mach/hurd/profil.c: Define function as __profil and make
	profil weak alias.
	* sysdeps/posix/profil.c: Likewise.

	* string/bits/string2.h: New file.
	* include/bits/string2.h: New file.
	* string/Makefile (routines): Add mempcpy.
	(tests): Add inl-tester.
	Remove _D__NO_STRING_INLINES from CFLAGS-* variables.
	* sysdeps/generic/mempcpy.c: New file.
	* sysdeps/generic/memccpy.c: Undef function name to enable definition
	as macro.
	* sysdeps/generic/memchr.c: Likewise.
	* sysdeps/generic/memcmp.c: Likewise.
	* sysdeps/generic/memmem.c: Likewise.
	* sysdeps/generic/memmove.c: Likewise.
	* sysdeps/generic/strcat.c: Likewise.
	* sysdeps/generic/strchr.c: Likewise.
	* sysdeps/generic/strcmp.c: Likewise.
	* sysdeps/generic/strcpy.c: Likewise.
	* sysdeps/generic/strcspn.c: Likewise.
	* sysdeps/generic/strlen.c: Likewise.
	* sysdeps/generic/strncat.c: Likewise.
	* sysdeps/generic/strncmp.c: Likewise.
	* sysdeps/generic/strncpy.c: Likewise.
	* sysdeps/generic/strpbrk.c: Likewise.
	* sysdeps/generic/strrchr.c: Likewise.
	* sysdeps/generic/strsep.c: Likewise.
	* sysdeps/generic/strspn.c: Likewise.
	* sysdeps/generic/strstr.c: Likewise.
	* sysdeps/generic/strtok.c: Likewise.
	* sysdeps/generic/strtok_r.c: Likewise.
	* sysdeps/i386/memset.c: Likewise.
	* sysdeps/i386/bits/string.h: Correct a few types and constraints.
	* sysdeps/i386/i486/bits/string.h: Heavy rewrites and optimizations.
	* string/stratcliff.c: Undefine __USE_STRING_INLINES.
	* string/tst-strlen.c: Likewise.
	* string/string.h: Add prototype for mempcpy.  Include bits/string2.h
	header always if optimizing.
	* intl/dcgettext.c: Don't unconditionally define stpcpy, only if not
	yet defined.
	* intl/l10nflist.c: Likewise.

	* string/tester.c: Add copyright and make little cleanups.

	* inet/test_ifindex.c: Change type of ni variable to unsigned int.

	* locale/programs/ld-ctype.c (struct locale_ctype_t): Change type
	of fields map_collection_max and map_collection_act to size_t.

	* nss/libnss_files.map: Group entries.

	* posix/unistd.h: Add prototype for __setpgid and __profil.

	* sysdeps/generic/crypt.h: Declare __crypt_r.

	* sysdeps/i386/bits/select.h: Fix fatal bugs, use correct casts now.

	* sysdeps/i386/fpu/bits/mathinline.h (isgreater, isgreaterequal,
	isless, islessequal, islessgreater, isunordered): Optimize a bit.

	* sysdeps/stub/ftruncate.c: Include missing header for prototype.
	* sysdeps/stub/getdents.c: Likewise.
	* sysdeps/stub/reboot.c: Likewise.
	* sysdeps/stub/swapon.c: Likewise.
	* sysdeps/stub/syscall.c: Likewise.
	* sysdeps/stub/ualarm.c: Likewise.
	* sysdeps/stub/usleep.c: Likewise.

	* sysdeps/unix/sysv/linux/if_index.c: Don't compile or use opensock
	if SIOGIFINDEX and SIOGIFNAME are not defined.

	* sysdeps/unix/sysv/linux/net/if.h: Add IFF_PORTSEL and IFF_AUTOMEDIA
	according to recent kernel changes.

1997-09-10 21:32  Klaus Espenlaub  <kespenla@student.informatik.uni-ulm.de>

	* Makeconfig: Use $(have-initfini) instead of $(elf) to figure out
	the installed name of the startup code.
	(common-generated): Add version.mk.
	* Makefile (distclean-1): Add glibcbug.
	* Makerules: Replace -lgcc by $(gnulib).
	* catgets/Makefile (generated): Add xmalloc.o.
	* csu/Makefile (generated): Replace align.h and end.h by defs.h to
	match the generated file.
	* manual/Makefile (mostlyclean): Add stub-manual and stamp.o.
	(realclean): Changed to remove chapters-incl[12].
	* po/Makefile (realclean): New rule to remove the generated .mo files.
	* time/Makefile: Only include zonefile dependencies if $(no_deps) is
	not true to avoid make clean failure when directory time doesn't exist
	yet.
	(generated): Add tzselect.

	* stdio/fgets.c (fgets): Add casts to reduce gcc warning noise.
	* stdio/internals.c (flushbuf): Likewise.
	* stdio/linewrap.c (lwupdate): Likewise.
	* stdio/memstream.c (enlarge_buffer): Likewise.
	* stdio-common/vfscanf.c (_IO_vfscanf): Likewise.
	* time/tzset.c (compute_change): Likewise.
	* misc/init-misc.c (__init_misc): Only declare static if HAVE_GNU_LD
	is defined.
	* sysdeps/posix/pipestream.c (FUNC): Change to generate ANSI C style
	functions.
	* sysdeps/stub/init-posix.c: Likewise.
	* sysdeps/stub/profil.c: Likewise.
	* munch-tmpl.c (__libc_init): Convert to ANSI C style declaration to
	reduce gcc warning noise.
	* stdio/glue.c (_filbuf, _flsbuf): Likewise.
	* stdio/obstream.c (grow, seek, input, init_obstream): Likewise.
	* stdio/vasprintf.c (enlarge_buffer): Likewise.
	* sysdeps/generic/sysd-stdio.c (__stdio_read, __stdio_write,
	__stdio_seek, __stdio_close, __stdio_fileno, __stdio_open,
	__stdio_reopen): Likewise.
	* sysdeps/posix/defs.c (_cleanup): Likewise.
	* time/offtime.c (__offtime): Add cast.

	* posix/getopt.c: Don't use text_set_element if not defined.

	* configure.in: Provide a check for underscores before user labels
	that works even when the compiler used for building doesn't work
	(like when there is no C library).  Use the old way if the compiler
	works.

1997-09-10 05:08  David S. Miller  <davem@caip.rutgers.edu>

	* sysdeps/unix/sysv/linux/sparc/bits/ioctls.h: The TC* ioctls use
	'T' not 't' on SparcLinux.
	* sysdeps/unix/sysv/linux/sparc/bits/termios.h: tcflag_t is 32 bits.

	* sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S: Add aliases for
	_longjmp and siglongjmp.

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

	* libio/stdio.h: Add format attributes to the extra printf and
	scanf like functions.
	* stdio/stdio.h: Likewise.

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

	* nis/nss_nisplus/nisplus-network.c (_nss_nisplus_getnetbyaddr_r):
	Print tablename_val, not tablename_len.

	* nis/nss_nisplus/nisplus-ethers.c (_nss_nisplus_getntohost_r):
	Use sprintf instead of sprintf, the string always fits.
	* nis/nss_nisplus/nisplus-hosts.c (_nss_nisplus_gethostbyaddr_r):
	Likewise.
	* nis/nss_nisplus/nisplus-network.c (_nss_nisplus_getnetbyaddr_r):
	Likewise.
	* nis/nss_nisplus/nisplus-proto.c
	(_nss_nisplus_getprotobynumber_r): Likewise.
	* nis/nss_nisplus/nisplus-rpc.c (_nss_nisplus_getrpcbynumber_r):
	Likewise.
	* nis/nss_nisplus/nisplus-service.c
	(_nss_nisplus_getservbynumber_r): Likewise.

	* nis/nss_nisplus/nisplus-alias.c (_nss_create_tablename): Use
	__stpcpy, __stpncpy and __strdup instead of public names.
	* nis/nss_nisplus/nisplus-ethers.c (_nss_create_tablename):
	Likewise.
	* nis/nss_nisplus/nisplus-grp.c (_nss_create_tablename): Likewise.
	* nis/nss_nisplus/nisplus-hosts.c (_nss_create_tablename):
	Likewise.
	* nis/nss_nisplus/nisplus-netgrp.c (_nss_nisplus_parse_netgroup):
	Likewise.
	* nis/nss_nisplus/nisplus-network.c (_nss_nisplus_parse_netent):
	Likewise.
	(_nss_create_tablename): Likewise.
	* nis/nss_nisplus/nisplus-proto.c (_nss_nisplus_parse_protoent):
	Likewise.
	(_nss_create_tablename): Likewise.
	* nis/nss_nisplus/nisplus-pwd.c (_nss_create_tablename):
	Likewise.
	* nis/nss_nisplus/nisplus-rpc.c (_nss_nisplus_parse_rpcent):
	Likewise.
	(_nss_create_tablename): Likewise.
	* nis/nss_nisplus/nisplus-service.c (_nss_nisplus_parse_servent):
	Likewise.
	(_nss_create_tablename): Likewise.
	* nis/nss_nisplus/nisplus-spwd.c (_nss_create_tablename):
	Likewise.

	* libc.map: Export __stpcpy and __strdup.

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

	* math/Makefile (CFLAGS-test-float.c, CFLAGS-test-double.c,
	CFLAGS-test-ldouble.c): Pass -ffloat-store to avoid excessive
	precision.

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

	* include/rpc/auth_des.h: New file.

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

	* time/mktime.c (__mktime_internal): Declare sec_requested even if
	!LEAP_SECONDS_POSSIBLE, since it's needed at the end when checking
	for time_t overflow.

1997-09-09 22:11  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/posix/getcwd.c: Correct test for too small buffer.
	Reported by Erik Troan <ewt@redhat.com>.

	* elf/dl-close.c: Include <bits/libc-lock.h>, not <libc-lock.h>.
	* elf/dl-open.c: Likewise.

1997-09-07 17:09  Richard Henderson  <rth@cygnus.com>

	* sysdeps/alpha/Makefile: Kill setjmp_aux.
	* sysdeps/alpha/bits/setjmp.h: Rewrite in terms of an array.
	* sysdeps/alpha/__longjmp.c: Remove.
	* sysdeps/alpha/setjmp_aux.c: Remove.
	* sysdeps/alpha/__longjmp.S: New file.
	* sysdeps/alpha/bsd-_setjmp.S: Stub out.
	* sysdeps/alpha/bsd-setjmp.S: Likewise.
	* sysdeps/alpha/setjmp.S: Do the work; don't call __setjmp_aux.
	Move _setjmp and setjmp from bsd-*.S.

1997-09-06  20:20  Ulrich Drepper  <drepper@cygnus.com>

	* include/rpc/auth.h: New file.
	* include/rpc/auth_unix.h: New file.

1997-09-06  Paul Eggert  <eggert@twinsun.com>

	Fix gmtime so that it reports leap seconds when TZ
	indicates that leap seconds are desired.

	* time/gmtime.c (<stddef.h>): Remove unnecessary include.
	(gmtime): Put after gmtime_r, to help the compiler inline.
	(__tz_convert): New decl.
	(gmtime_r): Use __tz_convert instead of __offtime,
	so that leap seconds are handled correctly.

	* time/localtime.c (<errno.h>, <libc-lock.h>): Remove includes that
	are now unnecessary.
	(__tzset_internal, __tz_compute, __tzfile_compute, __use_tzfile,
	__tzset_lock): Remove extern decls that are now unnecessary.
	(localtime_internal): Moved to __tz_convert in tzset.c.
	so that localtime and gmtime can both use it easily.
	(localtime): Put after localtime_r, to help the compiler inline.
	(localtime_r): Use __tz_convert instead of localtime_internal.

	* time/strftime.c (__tz_compute): Remove unused (and now incorrect)
	decl.

	* time/tzfile.c (__tzfile_compute): New arg USE_LOCALTIME.

	* time/tzset.c (<errno.h>): Include.
	(_tmbuf): New decl.
	(__tzfile_compute): New function.
	(tz_compute): Renamed from __tz_compute.  No longer extern.
	Remove redundant call to tzset_internal.
	(tzset_internal): Renamed from __tzset_internal.  No longer extern.
	(tzset_lock): Renamed from __tzset_lock.  No longer extern.
	(__tz_convert): New function, containing functionality of old
	localtime_internal function, plus locking and optional UTC.

1997-09-06  Paul Eggert  <eggert@twinsun.com>

	* time/tzfile.c (__tzfile_read): Don't read a file if TZ is the empty
	string, just use UTC without leap seconds.  This is for compatibility
	with the Olson code.

1997-09-06  Paul Eggert  <eggert@twinsun.com>

	* time/tzset.c (__tzname_max): Lock tz data structures before
	invoking tzset_internal.

	* time/tzfile.c: Define compute_tzname_max statically.

1997-09-07 10:57  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* nis/nis_call.c: Remove not longer necessary HAVE_SECURE_RPC ifdefs.
	* nis/nis_intern.h: Likewise.
	* nis/nss_nis/nis-publickey.c: Likewise.
	* nis/nss_nisplus/nisplus-publickey.c: Likewise.
	* nis/ypclnt.c: Likewise.

	* sunrpc/auth_des.c: Don't dereference NULL pointer,
	initialize ad->ad_timediff.

	* sunrpc/auth_none.c: Don't define our own prototypes, use the one
	from the header files.
	* sunrpc/auth_unix.c: Likewise.
	* sunrpc/clnt_raw.c: Likewise.
	* sunrpc/clnt_tcp.c: Likewise.
	* sunrpc/rpc_cmsg.c: Likewise.

	* sunrpc/key_call.c: Fix signal handling.

	* sunrpc/openchild.c: Don't use /bin/sh to start /usr/etc/keyenvoy,
	or we will get a deadlock with NIS+.

	* sunrpc/rpc/auth.h: Add prototype for xdr_opaque_auth, don't define
	HAVE_SECURE_RPC.

1997-09-07 15:51  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/i386/bits/select.h [__GNUC__] (__FD_ZERO, __FD_SET, __FD_CLR,
	__FD_ISSET): Use correct casts to address array correctly.
	Reported by urbanw@cs.umu.se.

1997-09-07 05:07  Ulrich Drepper  <drepper@cygnus.com>

	* elf/dl-close.c: Include <bits/libc-lock.h>, not <libc-lock.h>.
	* elf/dl-open.c: Likewise.
	* sysdeps/i386/memset.c: Undefine memset in case the header with the
	optimized functions is included.
	Patches by NIIBE Yutaka <gniibe@mri.co.jp>.

	* sysdeps/i386/bits/string.h [__PIC__] (strcspn, strspn, strpbrk,
	strsep): Use register for second parameter.
	* sysdeps/i386/i486/bits/string.h: Likewise.
	Reported by NIIBE Yutaka <gniibe@mri.co.jp>.

1997-09-03 09:48  Geoff Keating  <geoffk@ozemail.com.au>

	* math/libm-test.c: Change various tolerances to match what the
	tested routines can actually provide.

	* math/Makefile: Add new tests.
	* math/atest-sincos.c: New file.
	* math/atest-exp.c: New file.

	* csu/Makefile: Give initfini.s and initfiniS.s their own
	CFLAGS-* macros so they can be overridden.
	* sysdeps/powerpc/Makefile [subdir=csu]: Override flags for
	initfiniS.s to use -fpic instead of -fPIC, because the sed script
	breaks otherwise.

	* sysdeps/powerpc/Makefile [build-shared]: Use -fpic not -fPIC for
	efficiency.

	* sysdeps/powerpc/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
	Don't use register 0, to let _mcount be in a shared object.

	* sysdeps/powerpc/dl-machine.h: Use full sentences in comments.
	Generally clean up.  Suppress some code we don't need when relocating
	ld.so.
	* sysdeps/powerpc/test-arith.c: Change loop indices to size_t when
	appropriate to suppress gcc warning.
	* resolv/res_send.c: Suppress warning.
	* sunrpc/xdr_sizeof.c: Suppress warning.

	* FAQ: Add ppc-linux.
	* manual/maint.texi: Add ppc-linux.  Explain that gcc can't build it
	yet.

	* sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Correct for
	current kernels.

1997-08-15 07:45  Geoff Keating  <geoffk@ozemail.com.au>

	* stdlib/fmtmsg.c: Use two parameters for __libc_once_define.
	* sysdeps/i386/machine-gmon.h: Correct typo.

	* sysdeps/unix/sysv/linux/powerpc/bits/mman.h: Change to match
	kernel.

	* sysdeps/generic/dl-sysdep.c: Add hook for bizzare PPC argument hack.
	* sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c: Rewrite to use
	sysdeps/linux/dl-sysdep.c.

	* sysdeps/powerpc/Makefile [subdir=gmon]: Compile ppc-mcount.
	* sysdeps/powerpc/machine-gmon.h: Use ppc-mcount.
	* sysdeps/powerpc/ppc-mcount: New file.

	The following are mostly changes to allow profiling:
	* sysdeps/powerpc/add_n.S: Added.
	* sysdeps/powerpc/add_n.s: Removed.
	* sysdeps/powerpc/addmul_1.S: Added.
	* sysdeps/powerpc/addmul_1.s: Removed.
	* sysdeps/powerpc/bsd-_setjmp.S: Use JUMPTARGET macro.
	* sysdeps/powerpc/bsd-setjmp.S: Use JUMPTARGET macro.
	* sysdeps/powerpc/lshift.S: Added.
	* sysdeps/powerpc/lshift.s: Removed.
	* sysdeps/powerpc/memset.S: Added.
	* sysdeps/powerpc/memset.s: Removed.
	* sysdeps/powerpc/mul_1.S: Added.
	* sysdeps/powerpc/mul_1.s: Removed.
	* sysdeps/powerpc/rshift.S: Added.
	* sysdeps/powerpc/rshift.s: Removed.
	* sysdeps/powerpc/s_copysign.S: Use ENTRY, END, weak_alias macros.
	* sysdeps/powerpc/s_fabs.S: Use ENTRY, END, weak_alias macros.
	* sysdeps/powerpc/setjmp.S: Use JUMPTARGET macro.
	* sysdeps/powerpc/strchr.S: Added.
	* sysdeps/powerpc/strchr.s: Removed.
	* sysdeps/powerpc/strcmp.S: Added.
	* sysdeps/powerpc/strcmp.s: Removed.
	* sysdeps/powerpc/strlen.S: Added.
	* sysdeps/powerpc/strlen.s: Removed.
	* sysdeps/powerpc/sub_n.S: Added.
	* sysdeps/powerpc/sub_n.s: Removed.
	* sysdeps/powerpc/submul_1.S: Added.
	* sysdeps/powerpc/submul_1.s: Removed.
	* sysdeps/unix/sysv/linux/powerpc/_exit.S: Removed.
	* sysdeps/unix/sysv/linux/powerpc/brk.S: Added.
	* sysdeps/unix/sysv/linux/powerpc/brk.c: Removed.
	* sysdeps/unix/sysv/linux/powerpc/clone.S: Use new macros. Fix
	various bugs. Document that it isn't tested.
	* sysdeps/unix/sysv/linux/powerpc/sigreturn.S: Make look like
	sysdeps/unix/_exit.S.
	* sysdeps/unix/sysv/linux/powerpc/socket.S: Use new macros.
	* sysdeps/unix/sysv/linux/powerpc/syscall.S: Use new macros.
	* sysdeps/unix/sysv/linux/powerpc/sysdep.h: Define some new macros
	to make assembler (possibly) more portable, allow profiling, etc.

9 files changed, 59 insertions, 45 deletions

diff --git a/db2/README b/db2/README
new file mode 100644
index 0000000000..2dc1d1be8a
--- /dev/null
+++ b/db2/README
@@ -0,0 +1,3 @@
+The LICENSE file, mentioned in the beginning of the source files, can
+be found together with all the other relevant license texts in the
+manual and the INSTALL file in the toplevel directory.
diff --git a/db2/btree/bt_rec.c b/db2/btree/bt_rec.c
index bf48e01d54..07a3d93c74 100644
--- a/db2/btree/bt_rec.c
+++ b/db2/btree/bt_rec.c
@@ -301,7 +301,7 @@ __bam_split_recover(logp, dbtp, lsnp, redo, info)
 		if ((_lp = (PAGE *)malloc(file_dbp->pgsize)) == NULL)
 			goto nomem;
 		if ((_rp = (PAGE *)malloc(file_dbp->pgsize)) == NULL) {
-nomem:			errno = ENOMEM;
+nomem:			__set_errno(ENOMEM);
 			__db_err(file_dbp->dbenv, "%s", strerror(errno));
 			goto out;
 		}
@@ -668,7 +668,7 @@ __bam_cadjust_recover(logp, dbtp, lsnp, redo, info)
 	REC_INTRO(__bam_cadjust_read);
 
 	if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) {
-		errno = __db_pgerr(file_dbp, argp->pgno);
+		__set_errno(__db_pgerr(file_dbp, argp->pgno));
 		pagep = NULL;
 		goto out;
 	}
diff --git a/db2/clib/getlong.c b/db2/clib/getlong.c
index d79c6846df..0cc8567081 100644
--- a/db2/clib/getlong.c
+++ b/db2/clib/getlong.c
@@ -18,6 +18,7 @@ static const char sccsid[] = "@(#)getlong.c	10.2 (Sleepycat) 5/1/97";
 #endif
 
 #include "db.h"
+#include "db_int.h"
 #include "clib_ext.h"
 
 /*
@@ -34,7 +35,7 @@ get_long(p, min, max, storep)
 	long val;
 	char *end;
 
-	errno = 0;
+	__set_errno(0);
 	val = strtol(p, &end, 10);
 	if ((val == LONG_MIN || val == LONG_MAX) && errno == ERANGE)
 		err(1, "%s", p);
diff --git a/db2/db185/db185.c b/db2/db185/db185.c
index 8e53a1b734..bf5e37edcb 100644
--- a/db2/db185/db185.c
+++ b/db2/db185/db185.c
@@ -38,7 +38,7 @@ static int db185_seq __P((const DB185 *, DBT185 *, DBT185 *, u_int));
 static int db185_sync __P((const DB185 *, u_int));
 
 DB185 *
-dbopen(file, oflags, mode, type, openinfo)
+__dbopen(file, oflags, mode, type, openinfo)
 	const char *file;
 	int oflags, mode;
 	DBTYPE type;
@@ -181,18 +181,19 @@ dbopen(file, oflags, mode, type, openinfo)
 	 * Store the returned pointer to the real DB 2.0 structure in the
 	 * internal pointer.  Ugly, but we're not going for pretty, here.
 	 */
-	if ((errno = db_open(file,
-	    type, __db_oflags(oflags), mode, NULL, dbinfop, &dbp)) != 0) {
+	if ((__set_errno(db_open(file,
+	    type, __db_oflags(oflags), mode, NULL, dbinfop, &dbp))) != 0) {
 		free(db185p);
 		return (NULL);
 	}
 
 	/* Create the cursor used for sequential ops. */
-	if ((errno = dbp->cursor(dbp, NULL, &((DB185 *)db185p)->dbc)) != 0) {
+	if ((__set_errno(dbp->cursor(dbp, NULL, &((DB185 *)db185p)->dbc)))
+	    != 0) {
 		s_errno = errno;
 		(void)dbp->close(dbp, 0);
 		free(db185p);
-		errno = s_errno;
+		__set_errno(s_errno);
 		return (NULL);
 	}
 
@@ -200,9 +201,10 @@ dbopen(file, oflags, mode, type, openinfo)
 	return (db185p);
 
 einval:	free(db185p);
-	errno = EINVAL;
+	__set_errno(EINVAL);
 	return (NULL);
 }
+weak_alias (__dbopen, dbopen)
 
 static int
 db185_close(db185p)
@@ -212,7 +214,7 @@ db185_close(db185p)
 
 	dbp = (DB *)db185p->internal;
 
-	errno = dbp->close(dbp, 0);
+	__set_errno(dbp->close(dbp, 0));
 
 	free(db185p);
 
@@ -237,9 +239,9 @@ db185_del(db185p, key185, flags)
 	if (flags & ~R_CURSOR)
 		goto einval;
 	if (flags & R_CURSOR)
-		errno = db185p->dbc->c_del(db185p->dbc, 0);
+		__set_errno(db185p->dbc->c_del(db185p->dbc, 0));
 	else
-		errno = dbp->del(dbp, NULL, &key, 0);
+		__set_errno(dbp->del(dbp, NULL, &key, 0));
 
 	switch (errno) {
 	case 0:
@@ -249,7 +251,7 @@ db185_del(db185p, key185, flags)
 	}
 	return (-1);
 
-einval:	errno = EINVAL;
+einval:	__set_errno(EINVAL);
 	return (-1);
 }
 
@@ -262,7 +264,7 @@ db185_fd(db185p)
 
 	dbp = (DB *)db185p->internal;
 
-	return ((errno = dbp->fd(dbp, &fd)) == 0 ? fd : -1);
+	return ((__set_errno(dbp->fd(dbp, &fd))) == 0 ? fd : -1);
 }
 
 static int
@@ -287,7 +289,7 @@ db185_get(db185p, key185, data185, flags)
 	if (flags)
 		goto einval;
 
-	switch (errno = dbp->get(dbp, NULL, &key, &data, 0)) {
+	switch (__set_errno(dbp->get(dbp, NULL, &key, &data, 0))) {
 	case 0:
 		data185->data = data.data;
 		data185->size = data.size;
@@ -297,7 +299,7 @@ db185_get(db185p, key185, data185, flags)
 	}
 	return (-1);
 
-einval:	errno = EINVAL;
+einval:	__set_errno(EINVAL);
 	return (-1);
 }
 
@@ -324,46 +326,46 @@ db185_put(db185p, key185, data185, flags)
 
 	switch (flags) {
 	case 0:
-		errno = dbp->put(dbp, NULL, &key, &data, 0);
+		__set_errno(dbp->put(dbp, NULL, &key, &data, 0));
 		break;
 	case R_CURSOR:
-		errno =
-		    db185p->dbc->c_put(db185p->dbc, &key, &data, DB_CURRENT);
+		__set_errno(
+		    db185p->dbc->c_put(db185p->dbc, &key, &data, DB_CURRENT));
 		break;
 	case R_IAFTER:
 	case R_IBEFORE:
 		if (dbp->type != DB_RECNO)
 			goto einval;
 
-		if ((errno = dbp->cursor(dbp, NULL, &dbcp_put)) != 0)
+		if ((__set_errno(dbp->cursor(dbp, NULL, &dbcp_put))) != 0)
 			return (-1);
-		if ((errno =
-		    dbcp_put->c_get(dbcp_put, &key, &data, DB_SET)) != 0) {
+		if ((__set_errno(
+		    dbcp_put->c_get(dbcp_put, &key, &data, DB_SET))) != 0) {
 			s_errno = errno;
 			(void)dbcp_put->c_close(dbcp_put);
-			errno = s_errno;
+			__set_errno(s_errno);
 			return (-1);
 		}
 		memset(&data, 0, sizeof(data));
 		data.data = data185->data;
 		data.size = data185->size;
-		errno = dbcp_put->c_put(dbcp_put,
-		    &key, &data, flags == R_IAFTER ? DB_AFTER : DB_BEFORE);
+		__set_errno(dbcp_put->c_put(dbcp_put,
+		    &key, &data, flags == R_IAFTER ? DB_AFTER : DB_BEFORE));
 		s_errno = errno;
 		(void)dbcp_put->c_close(dbcp_put);
-		errno = s_errno;
+		__set_errno(s_errno);
 		break;
 	case R_NOOVERWRITE:
-		errno = dbp->put(dbp, NULL, &key, &data, DB_NOOVERWRITE);
+		__set_errno(dbp->put(dbp, NULL, &key, &data, DB_NOOVERWRITE));
 		break;
 	case R_SETCURSOR:
 		if (dbp->type != DB_BTREE && dbp->type != DB_RECNO)
 			goto einval;
 
-		if ((errno = dbp->put(dbp, NULL, &key, &data, 0)) != 0)
+		if ((__set_errno(dbp->put(dbp, NULL, &key, &data, 0))) != 0)
 			break;
-		errno =
-		    db185p->dbc->c_get(db185p->dbc, &key, &data, DB_SET_RANGE);
+		__set_errno(db185p->dbc->c_get(db185p->dbc,
+					       &key, &data, DB_SET_RANGE));
 		break;
 	default:
 		goto einval;
@@ -379,7 +381,7 @@ db185_put(db185p, key185, data185, flags)
 	}
 	return (-1);
 
-einval:	errno = EINVAL;
+einval:	__set_errno(EINVAL);
 	return (-1);
 }
 
@@ -424,7 +426,8 @@ db185_seq(db185p, key185, data185, flags)
 	default:
 		goto einval;
 	}
-	switch (errno = db185p->dbc->c_get(db185p->dbc, &key, &data, flags)) {
+	switch (__set_errno(db185p->dbc->c_get(db185p->dbc,
+					       &key, &data, flags))) {
 	case 0:
 		key185->data = key.data;
 		key185->size = key.size;
@@ -436,7 +439,7 @@ db185_seq(db185p, key185, data185, flags)
 	}
 	return (-1);
 
-einval:	errno = EINVAL;
+einval:	__set_errno(EINVAL);
 	return (-1);
 }
 
@@ -464,8 +467,8 @@ db185_sync(db185p, flags)
 		goto einval;
 	}
 
-	return ((errno = dbp->sync(dbp, 0)) == 0 ? 0 : -1);
+	return ((__set_errno(dbp->sync(dbp, 0))) == 0 ? 0 : -1);
 
-einval:	errno = EINVAL;
+einval:	__set_errno(EINVAL);
 	return (-1);
 }
diff --git a/db2/db185/db185_int.h b/db2/db185/db185_int.h
index 656dfddf78..f3e24b9026 100644
--- a/db2/db185/db185_int.h
+++ b/db2/db185/db185_int.h
@@ -130,6 +130,7 @@ typedef struct {
 #if defined(__cplusplus)
 extern "C" {
 #endif
+DB185 *__dbopen __P((const char *, int, int, DBTYPE, const void *));
 DB185 *dbopen __P((const char *, int, int, DBTYPE, const void *));
 #if defined(__cplusplus)
 };
diff --git a/db2/db_int.h b/db2/db_int.h
index 23fb106755..a088c693a8 100644
--- a/db2/db_int.h
+++ b/db2/db_int.h
@@ -25,6 +25,12 @@
 
 #define	DB_MINCACHE	10		/* Minimum cached pages */
 
+/* Handle `errno' in the presence of multi-threading correctly.  On some
+   systems we need a special macro to do this right.  */
+#ifndef __set_errno
+# define __set_errno(val) (errno) = (val)
+#endif
+
 /*
  * Aligning items to particular sizes or in pages or memory.  ALIGNP is a
  * separate macro, as we've had to cast the pointer to different integral
diff --git a/db2/dbm/dbm.c b/db2/dbm/dbm.c
index fb21ade020..1fa92ce1fa 100644
--- a/db2/dbm/dbm.c
+++ b/db2/dbm/dbm.c
@@ -199,8 +199,8 @@ dbm_open(file, oflags, mode)
 	dbinfo.h_nelem = 1;
 
 	(void)snprintf(path, sizeof(path), "%s%s", file, DBM_SUFFIX);
-	if ((errno = db_open(path,
-	    DB_HASH, __db_oflags(oflags), mode, NULL, &dbinfo, &dbp)) != 0)
+	if ((__set_errno(db_open(path,
+	    DB_HASH, __db_oflags(oflags), mode, NULL, &dbinfo, &dbp))) != 0)
 		return (NULL);
 	return ((DBM *)dbp);
 }
@@ -261,7 +261,7 @@ dbm_firstkey(db)
 	DBC *cp;
 
 	if ((cp = TAILQ_FIRST(&db->curs_queue)) == NULL)
-		if ((errno = db->cursor(db, NULL, &cp)) != 0) {
+		if ((__set_errno(db->cursor(db, NULL, &cp))) != 0) {
 			memset(&key, 0, sizeof(key));
 			return (key);
 		}
@@ -294,7 +294,7 @@ dbm_nextkey(db)
 	int status;
 
 	if ((cp = TAILQ_FIRST(&db->curs_queue)) == NULL)
-		if ((errno = db->cursor(db, NULL, &cp)) != 0) {
+		if ((__set_errno(db->cursor(db, NULL, &cp))) != 0) {
 			memset(&key, 0, sizeof(key));
 			return (key);
 		}
@@ -330,9 +330,9 @@ dbm_delete(db, key)
 	_key.size = key.dsize;
 	ret = (((DB *)db)->del)((DB *)db, NULL, &_key, 0);
 	if (ret < 0)
-		errno = ENOENT;
+		__set_errno(ENOENT);
 	else if (ret > 0) {
-		errno = ret;
+		__set_errno(ret);
 		ret = -1;
 	}
 	return (ret);
diff --git a/db2/lock/lock_deadlock.c b/db2/lock/lock_deadlock.c
index 54a73afd1b..f753958b21 100644
--- a/db2/lock/lock_deadlock.c
+++ b/db2/lock/lock_deadlock.c
@@ -300,8 +300,8 @@ retry:	count = lt->region->nlockers;
 			for (lp = SH_TAILQ_FIRST(&op->holders, __db_lock);
 			    lp != NULL;
 			    lp = SH_TAILQ_NEXT(lp, links, __db_lock)) {
-				if ((errno = __lock_getobj(lt, lp->holder,
-				    NULL, DB_LOCK_LOCKER, &lockerp)) != 0) {
+				if ((__set_errno(__lock_getobj(lt, lp->holder,
+				    NULL, DB_LOCK_LOCKER, &lockerp))) != 0) {
 					__db_err(dbenv,
 					    "warning unable to find object");
 					continue;
@@ -472,7 +472,7 @@ __dd_debug(dbenv, idmap, bitmap, nlockers)
 	 * Alloc space to print 10 bytes per item waited on.
 	 */
 	if ((msgbuf = (char *)malloc((nlockers + 1) * 10 + 64)) == NULL) {
-		errno = ENOMEM;
+		__set_errno(ENOMEM);
 		__db_err(dbenv, "%s", strerror(errno));
 		return;
 	}
diff --git a/db2/log/log_archive.c b/db2/log/log_archive.c
index d70d4c64c0..0d6c3f2bea 100644
--- a/db2/log/log_archive.c
+++ b/db2/log/log_archive.c
@@ -68,7 +68,7 @@ log_archive(logp, listp, flags, db_malloc)
 	 * but that's just not possible.
 	 */
 	if (LF_ISSET(DB_ARCH_ABS)) {
-		errno = 0;
+		__set_errno(0);
 		if ((pref = getcwd(buf, sizeof(buf))) == NULL)
 			return (errno == 0 ? ENOMEM : errno);
 	} else