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bpo-45847: Port _multiprocessing to PY_STDLIB_MOD (GH-29768) #29768

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Merged
tiran merged 2 commits into from
Nov 28, 2021
Merged

bpo-45847: Port _multiprocessing to PY_STDLIB_MOD (GH-29768) #29768

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0af5f50
bpo-45847: Port _multiprocessing to PY_STDLIB_MOD
Nov 25, 2021
6651ae6
Add semaphore condition again
Nov 26, 2021
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1 change: 1 addition & 0 deletions Modules/Setup.stdlib.in
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Original file line number Diff line number Diff line change
Expand Up @@ -124,6 +124,7 @@

# multiprocessing
@MODULE__POSIXSHMEM_TRUE@_posixshmem _multiprocessing/posixshmem.c
@MODULE__MULTIPROCESSING_TRUE@_multiprocessing _multiprocessing/multiprocessing.c _multiprocessing/semaphore.c


############################################################################
Expand Down
195 changes: 106 additions & 89 deletions configure
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Original file line number Diff line number Diff line change
Expand Up @@ -712,8 +712,6 @@ MODULE_OSSAUDIODEV_FALSE
MODULE_OSSAUDIODEV_TRUE
MODULE_GRP_FALSE
MODULE_GRP_TRUE
MODULE__POSIXSHMEM_FALSE
MODULE__POSIXSHMEM_TRUE
MODULE_MMAP_FALSE
MODULE_MMAP_TRUE
MODULE_FCNTL_FALSE
Expand All @@ -728,6 +726,10 @@ MODULE__STATISTICS_FALSE
MODULE__STATISTICS_TRUE
MODULE_AUDIOOP_FALSE
MODULE_AUDIOOP_TRUE
MODULE__POSIXSHMEM_FALSE
MODULE__POSIXSHMEM_TRUE
MODULE__MULTIPROCESSING_FALSE
MODULE__MULTIPROCESSING_TRUE
MODULE__ZONEINFO_FALSE
MODULE__ZONEINFO_TRUE
MODULE__XXSUBINTERPRETERS_FALSE
Expand Down Expand Up @@ -10382,6 +10384,9 @@ fi
# Dynamic linking for HP-UX





have_uuid=missing

for ac_header in uuid.h
Expand Down Expand Up @@ -10414,10 +10419,6 @@ fi
done






if test "x$have_uuid" = xmissing; then :


Expand Down Expand Up @@ -17601,11 +17602,6 @@ done

LIBS=$LIBS_SAVE

# For multiprocessing module, check that sem_open
# actually works. For FreeBSD versions <= 7.2,
# the kernel module that provides POSIX semaphores
# isn't loaded by default, so an attempt to call
# sem_open results in a 'Signal 12' error.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether POSIX semaphores are enabled" >&5
$as_echo_n "checking whether POSIX semaphores are enabled... " >&6; }
if ${ac_cv_posix_semaphores_enabled+:} false; then :
Expand All @@ -17617,22 +17613,24 @@ else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */

#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <semaphore.h>
#include <sys/stat.h>

int main(void) {
sem_t *a = sem_open("/autoconf", O_CREAT, S_IRUSR|S_IWUSR, 0);
if (a == SEM_FAILED) {
perror("sem_open");
return 1;
}
sem_close(a);
sem_unlink("/autoconf");
return 0;
}
#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <semaphore.h>
#include <sys/stat.h>

int main(void) {
sem_t *a = sem_open("/autoconf", O_CREAT, S_IRUSR|S_IWUSR, 0);
if (a == SEM_FAILED) {
perror("sem_open");
return 1;
}
sem_close(a);
sem_unlink("/autoconf");
return 0;
}


_ACEOF
if ac_fn_c_try_run "$LINENO"; then :
Expand All @@ -17648,14 +17646,14 @@ fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_posix_semaphores_enabled" >&5
$as_echo "$ac_cv_posix_semaphores_enabled" >&6; }
if test $ac_cv_posix_semaphores_enabled = no
then
if test "x$ac_cv_posix_semaphores_enabled" = xno; then :


$as_echo "#define POSIX_SEMAPHORES_NOT_ENABLED 1" >>confdefs.h


fi

# Multiprocessing check for broken sem_getvalue
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken sem_getvalue" >&5
$as_echo_n "checking for broken sem_getvalue... " >&6; }
if ${ac_cv_broken_sem_getvalue+:} false; then :
Expand All @@ -17667,26 +17665,28 @@ else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */

#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <semaphore.h>
#include <sys/stat.h>

int main(void){
sem_t *a = sem_open("/autocftw", O_CREAT, S_IRUSR|S_IWUSR, 0);
int count;
int res;
if(a==SEM_FAILED){
perror("sem_open");
return 1;
#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <semaphore.h>
#include <sys/stat.h>

int main(void){
sem_t *a = sem_open("/autocftw", O_CREAT, S_IRUSR|S_IWUSR, 0);
int count;
int res;
if(a==SEM_FAILED){
perror("sem_open");
return 1;

}
res = sem_getvalue(a, &count);
sem_close(a);
sem_unlink("/autocftw");
return res==-1 ? 1 : 0;
}

}
res = sem_getvalue(a, &count);
sem_close(a);
sem_unlink("/autocftw");
return res==-1 ? 1 : 0;
}

_ACEOF
if ac_fn_c_try_run "$LINENO"; then :
Expand All @@ -17702,11 +17702,12 @@ fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_broken_sem_getvalue" >&5
$as_echo "$ac_cv_broken_sem_getvalue" >&6; }
if test $ac_cv_broken_sem_getvalue = yes
then
if test "x$ac_cv_broken_sem_getvalue" = xyes; then :


$as_echo "#define HAVE_BROKEN_SEM_GETVALUE 1" >>confdefs.h


fi

ac_fn_c_check_decl "$LINENO" "RTLD_LAZY" "ac_cv_have_decl_RTLD_LAZY" "#include <dlfcn.h>
Expand Down Expand Up @@ -21207,6 +21208,54 @@ fi
as_fn_append MODULE_BLOCK "MODULE__ZONEINFO=yes$as_nl"


if true; then
MODULE__MULTIPROCESSING_TRUE=
MODULE__MULTIPROCESSING_FALSE='#'
else
MODULE__MULTIPROCESSING_TRUE='#'
MODULE__MULTIPROCESSING_FALSE=
fi
as_fn_append MODULE_BLOCK "MODULE__MULTIPROCESSING=yes$as_nl"
as_fn_append MODULE_BLOCK "MODULE__MULTIPROCESSING_CFLAGS=-I\$(srcdir)/Modules/_multiprocessing$as_nl"


{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _posixshmem" >&5
$as_echo_n "checking for stdlib extension module _posixshmem... " >&6; }
case $py_stdlib_not_available in #(
*_posixshmem*) :
py_cv_module__posixshmem=n/a ;; #(
*) :
if true; then :
if test "$have_posix_shmem" = "yes"; then :
py_cv_module__posixshmem=yes
else
py_cv_module__posixshmem=missing
fi
else
py_cv_module__posixshmem=disabled
fi
;;
esac
as_fn_append MODULE_BLOCK "MODULE__POSIXSHMEM=$py_cv_module__posixshmem$as_nl"
if test "x$py_cv_module__posixshmem" = xyes; then :

as_fn_append MODULE_BLOCK "MODULE__POSIXSHMEM_CFLAGS=$POSIXSHMEM_CFLAGS$as_nl"
as_fn_append MODULE_BLOCK "MODULE__POSIXSHMEM_LDFLAGS=$POSIXSHMEM_LIBS$as_nl"

fi
if test "$py_cv_module__posixshmem" = yes; then
MODULE__POSIXSHMEM_TRUE=
MODULE__POSIXSHMEM_FALSE='#'
else
MODULE__POSIXSHMEM_TRUE='#'
MODULE__POSIXSHMEM_FALSE=
fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__posixshmem" >&5
$as_echo "$py_cv_module__posixshmem" >&6; }



if true; then
MODULE_AUDIOOP_TRUE=
MODULE_AUDIOOP_FALSE='#'
Expand Down Expand Up @@ -21336,42 +21385,6 @@ fi
$as_echo "$py_cv_module_mmap" >&6; }


{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _posixshmem" >&5
$as_echo_n "checking for stdlib extension module _posixshmem... " >&6; }
case $py_stdlib_not_available in #(
*_posixshmem*) :
py_cv_module__posixshmem=n/a ;; #(
*) :
if true; then :
if test "$have_posix_shmem" = "yes"; then :
py_cv_module__posixshmem=yes
else
py_cv_module__posixshmem=missing
fi
else
py_cv_module__posixshmem=disabled
fi
;;
esac
as_fn_append MODULE_BLOCK "MODULE__POSIXSHMEM=$py_cv_module__posixshmem$as_nl"
if test "x$py_cv_module__posixshmem" = xyes; then :

as_fn_append MODULE_BLOCK "MODULE__POSIXSHMEM_CFLAGS=$POSIXSHMEM_CFLAGS$as_nl"
as_fn_append MODULE_BLOCK "MODULE__POSIXSHMEM_LDFLAGS=$POSIXSHMEM_LIBS$as_nl"

fi
if test "$py_cv_module__posixshmem" = yes; then
MODULE__POSIXSHMEM_TRUE=
MODULE__POSIXSHMEM_FALSE='#'
else
MODULE__POSIXSHMEM_TRUE='#'
MODULE__POSIXSHMEM_FALSE=
fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__posixshmem" >&5
$as_echo "$py_cv_module__posixshmem" >&6; }



{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module grp" >&5
$as_echo_n "checking for stdlib extension module grp... " >&6; }
Expand Down Expand Up @@ -22929,6 +22942,14 @@ if test -z "${MODULE__ZONEINFO_TRUE}" && test -z "${MODULE__ZONEINFO_FALSE}"; th
as_fn_error $? "conditional \"MODULE__ZONEINFO\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${MODULE__MULTIPROCESSING_TRUE}" && test -z "${MODULE__MULTIPROCESSING_FALSE}"; then
as_fn_error $? "conditional \"MODULE__MULTIPROCESSING\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${MODULE__POSIXSHMEM_TRUE}" && test -z "${MODULE__POSIXSHMEM_FALSE}"; then
as_fn_error $? "conditional \"MODULE__POSIXSHMEM\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${MODULE_AUDIOOP_TRUE}" && test -z "${MODULE_AUDIOOP_FALSE}"; then
as_fn_error $? "conditional \"MODULE_AUDIOOP\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
Expand Down Expand Up @@ -22957,10 +22978,6 @@ if test -z "${MODULE_MMAP_TRUE}" && test -z "${MODULE_MMAP_FALSE}"; then
as_fn_error $? "conditional \"MODULE_MMAP\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${MODULE__POSIXSHMEM_TRUE}" && test -z "${MODULE__POSIXSHMEM_FALSE}"; then
as_fn_error $? "conditional \"MODULE__POSIXSHMEM\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${MODULE_GRP_TRUE}" && test -z "${MODULE_GRP_FALSE}"; then
as_fn_error $? "conditional \"MODULE_GRP\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
Expand Down
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