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2287. [bug] Use 'volatile' if the compiler supports it. [RT #17413]

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This commit is contained in:
Mark Andrews 2008-01-04 03:28:39 +00:00
parent 79207ee45a
commit 8486ce1efa
5 changed files with 101 additions and 34 deletions
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2
CHANGES
View file

@ -1,3 +1,5 @@
2287. [bug] Use 'volatile' if the compiler supports it. [RT #17413]
2286. [func] Allow a TCP connection to be used as a weak
authentication method for reverse zones.
New update-policy methods tcp-self and 6to4-self.

6
config.h.in
View file

@ -16,7 +16,7 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: config.h.in,v 1.90 2007/09/14 03:40:36 marka Exp $ */
/* $Id: config.h.in,v 1.94 2008/01/24 02:39:43 marka Exp $ */
/*! \file */
@ -316,3 +316,7 @@ int sigwait(const unsigned int *set, int *sig);
/* Define to `unsigned long' if <sys/types.h> does not define. */
#undef uintptr_t
/* Define to empty if the keyword `volatile' does not work. Warning: valid
code using `volatile' can become incorrect without. Disable with care. */
#undef volatile

118
configure vendored
View file

@ -14,7 +14,7 @@
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
#
# $Id: configure,v 1.418 2007/09/14 03:40:36 marka Exp $
# $Id: configure,v 1.419 2008/01/04 03:28:39 marka Exp $
#
# Portions Copyright (C) 1996-2001 Nominum, Inc.
#
@ -29,7 +29,7 @@
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
# From configure.in Revision: 1.432 .
# From configure.in Revision: 1.433 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.61.
#
@ -4519,6 +4519,66 @@ _ACEOF
;;
esac
{ echo "$as_me:$LINENO: checking for working volatile" >&5
echo $ECHO_N "checking for working volatile... $ECHO_C" >&6; }
if test "${ac_cv_c_volatile+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
int
main ()
{
volatile int x;
int * volatile y = (int *) 0;
return !x && !y;
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (ac_try="$ac_compile"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
(eval "$ac_compile") 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest.$ac_objext; then
ac_cv_c_volatile=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_cv_c_volatile=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
{ echo "$as_me:$LINENO: result: $ac_cv_c_volatile" >&5
echo "${ECHO_T}$ac_cv_c_volatile" >&6; }
if test $ac_cv_c_volatile = no; then
cat >>confdefs.h <<\_ACEOF
#define volatile
_ACEOF
fi
{ echo "$as_me:$LINENO: checking for sysctlbyname" >&5
echo $ECHO_N "checking for sysctlbyname... $ECHO_C" >&6; }
if test "${ac_cv_func_sysctlbyname+set}" = set; then
@ -9519,7 +9579,7 @@ ia64-*-hpux*)
;;
*-*-irix6*)
# Find out which ABI we are using.
echo '#line 9522 "configure"' > conftest.$ac_ext
echo '#line 9582 "configure"' > conftest.$ac_ext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
@ -11641,11 +11701,11 @@ else
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:11644: $lt_compile\"" >&5)
(eval echo "\"\$as_me:11704: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
echo "$as_me:11648: \$? = $ac_status" >&5
echo "$as_me:11708: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings
@ -11884,11 +11944,11 @@ else
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:11887: $lt_compile\"" >&5)
(eval echo "\"\$as_me:11947: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
echo "$as_me:11891: \$? = $ac_status" >&5
echo "$as_me:11951: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings
@ -11944,11 +12004,11 @@ else
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:11947: $lt_compile\"" >&5)
(eval echo "\"\$as_me:12007: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
echo "$as_me:11951: \$? = $ac_status" >&5
echo "$as_me:12011: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
@ -14092,7 +14152,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<EOF
#line 14095 "configure"
#line 14155 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -14190,7 +14250,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<EOF
#line 14193 "configure"
#line 14253 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -16383,11 +16443,11 @@ else
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:16386: $lt_compile\"" >&5)
(eval echo "\"\$as_me:16446: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
echo "$as_me:16390: \$? = $ac_status" >&5
echo "$as_me:16450: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings
@ -16443,11 +16503,11 @@ else
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:16446: $lt_compile\"" >&5)
(eval echo "\"\$as_me:16506: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
echo "$as_me:16450: \$? = $ac_status" >&5
echo "$as_me:16510: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
@ -17771,7 +17831,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<EOF
#line 17774 "configure"
#line 17834 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -17869,7 +17929,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<EOF
#line 17872 "configure"
#line 17932 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -18706,11 +18766,11 @@ else
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:18709: $lt_compile\"" >&5)
(eval echo "\"\$as_me:18769: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
echo "$as_me:18713: \$? = $ac_status" >&5
echo "$as_me:18773: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings
@ -18766,11 +18826,11 @@ else
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:18769: $lt_compile\"" >&5)
(eval echo "\"\$as_me:18829: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
echo "$as_me:18773: \$? = $ac_status" >&5
echo "$as_me:18833: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
@ -20800,11 +20860,11 @@ else
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:20803: $lt_compile\"" >&5)
(eval echo "\"\$as_me:20863: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
echo "$as_me:20807: \$? = $ac_status" >&5
echo "$as_me:20867: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings
@ -21043,11 +21103,11 @@ else
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:21046: $lt_compile\"" >&5)
(eval echo "\"\$as_me:21106: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
echo "$as_me:21050: \$? = $ac_status" >&5
echo "$as_me:21110: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings
@ -21103,11 +21163,11 @@ else
-e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:21106: $lt_compile\"" >&5)
(eval echo "\"\$as_me:21166: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
echo "$as_me:21110: \$? = $ac_status" >&5
echo "$as_me:21170: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
@ -23251,7 +23311,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<EOF
#line 23254 "configure"
#line 23314 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -23349,7 +23409,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<EOF
#line 23352 "configure"
#line 23412 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H

3
configure.in
View file

@ -18,7 +18,7 @@ AC_DIVERT_PUSH(1)dnl
esyscmd([sed "s/^/# /" COPYRIGHT])dnl
AC_DIVERT_POP()dnl
AC_REVISION($Revision: 1.432 $)
AC_REVISION($Revision: 1.433 $)
AC_INIT(lib/dns/name.c)
AC_PREREQ(2.59)
@ -245,6 +245,7 @@ AC_CHECK_HEADERS(fcntl.h sys/time.h unistd.h sys/sockio.h sys/select.h sys/param
AC_C_CONST
AC_C_INLINE
AC_C_VOLATILE
AC_CHECK_FUNC(sysctlbyname, AC_DEFINE(HAVE_SYSCTLBYNAME))
#

6
lib/isc/unix/app.c
View file

@ -15,7 +15,7 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: app.c,v 1.54 2007/06/19 23:47:18 tbox Exp $ */
/* $Id: app.c,v 1.55 2008/01/04 03:27:47 marka Exp $ */
/*! \file */
@ -59,11 +59,11 @@ static isc_boolean_t running = ISC_FALSE;
/*!
* We assume that 'want_shutdown' can be read and written atomically.
*/
static isc_boolean_t want_shutdown = ISC_FALSE;
static volatile isc_boolean_t want_shutdown = ISC_FALSE;
/*
* We assume that 'want_reload' can be read and written atomically.
*/
static isc_boolean_t want_reload = ISC_FALSE;
static volatile isc_boolean_t want_reload = ISC_FALSE;
static isc_boolean_t blocked = ISC_FALSE;
#ifdef ISC_PLATFORM_USETHREADS