mirror of https://github.com/python/cpython
bpo-45847: Port _posixshmem to PY_STDLIB_MOD (GH-29738)
This commit is contained in:
Erlend Egeberg Aasland
GitHub
parent
dd8ce9ea8d
commit
324527012f
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@ -122,6 +122,9 @@
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@MODULE_SYSLOG_TRUE@syslog syslogmodule.c
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@MODULE_TERMIOS_TRUE@termios termios.c
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# multiprocessing
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@MODULE__POSIXSHMEM_TRUE@_posixshmem _multiprocessing/posixshmem.c
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############################################################################
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# Modules with third party dependencies
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@ -710,6 +710,8 @@ MODULE_OSSAUDIODEV_FALSE
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MODULE_OSSAUDIODEV_TRUE
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MODULE_GRP_FALSE
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MODULE_GRP_TRUE
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MODULE__POSIXSHMEM_FALSE
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MODULE__POSIXSHMEM_TRUE
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MODULE_MMAP_FALSE
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MODULE_MMAP_TRUE
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MODULE_FCNTL_FALSE
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@ -20030,9 +20032,14 @@ fi
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# checks for POSIX shared memory, used by Modules/_multiprocessing/posixshmem.c
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# shm_* may only be available if linking against librt
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save_LIBS="$LIBS"
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save_includes_default="$ac_includes_default"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing shm_open" >&5
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POSIXSHMEM_CFLAGS='-I$(srcdir)/Modules/_multiprocessing'
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save_CFLAGS=$CFLAGS
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save_CPPFLAGS=$CPPFLAGS
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save_LDFLAGS=$LDFLAGS
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save_LIBS=$LIBS
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing shm_open" >&5
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$as_echo_n "checking for library containing shm_open... " >&6; }
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if ${ac_cv_search_shm_open+:} false; then :
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$as_echo_n "(cached) " >&6
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@ -20088,33 +20095,20 @@ if test "$ac_res" != no; then :
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fi
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if test "$ac_cv_search_shm_open" = "-lrt"; then
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$as_echo "#define SHM_NEEDS_LIBRT 1" >>confdefs.h
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fi
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for ac_header in sys/mman.h
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do :
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ac_fn_c_check_header_mongrel "$LINENO" "sys/mman.h" "ac_cv_header_sys_mman_h" "$ac_includes_default"
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if test "x$ac_cv_header_sys_mman_h" = xyes; then :
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cat >>confdefs.h <<_ACEOF
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#define HAVE_SYS_MMAN_H 1
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_ACEOF
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if test "x$ac_cv_search_shm_open" = x-lrt; then :
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POSIXSHMEM_LIBS="-lrt"
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fi
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done
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# temporarily override ac_includes_default for AC_CHECK_FUNCS below
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ac_includes_default="\
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${ac_includes_default}
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#ifndef __cplusplus
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# ifdef HAVE_SYS_MMAN_H
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# include <sys/mman.h>
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# endif
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#endif
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"
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for ac_func in shm_open shm_unlink
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save_ac_includes_default=$ac_includes_default
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ac_includes_default="\
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${ac_includes_default}
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#ifndef __cplusplus
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# ifdef HAVE_SYS_MMAN_H
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# include <sys/mman.h>
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# endif
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#endif
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"
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for ac_func in shm_open shm_unlink
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do :
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as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
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ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
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@ -20122,13 +20116,20 @@ if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
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cat >>confdefs.h <<_ACEOF
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#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
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_ACEOF
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have_posix_shmem=yes
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else
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have_posix_shmem=no
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fi
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done
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# we don't want to link with librt always, restore LIBS
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LIBS="$save_LIBS"
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ac_includes_default="$save_includes_default"
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ac_includes_default=$save_ac_includes_default
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CFLAGS=$save_CFLAGS
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CPPFLAGS=$save_CPPFLAGS
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LDFLAGS=$save_LDFLAGS
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LIBS=$save_LIBS
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# Check for usable OpenSSL
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@ -21072,6 +21073,42 @@ fi
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$as_echo "$py_cv_module_mmap" >&6; }
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _posixshmem" >&5
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$as_echo_n "checking for stdlib extension module _posixshmem... " >&6; }
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case $py_stdlib_not_available in #(
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*_posixshmem*) :
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py_cv_module__posixshmem=n/a ;; #(
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*) :
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if true; then :
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if test "$have_posix_shmem" = "yes"; then :
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py_cv_module__posixshmem=yes
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else
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py_cv_module__posixshmem=missing
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fi
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else
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py_cv_module__posixshmem=disabled
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fi
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;;
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esac
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as_fn_append MODULE_BLOCK "MODULE__POSIXSHMEM=$py_cv_module__posixshmem$as_nl"
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if test "x$py_cv_module__posixshmem" = xyes; then :
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as_fn_append MODULE_BLOCK "MODULE__POSIXSHMEM_CFLAGS=$POSIXSHMEM_CFLAGS$as_nl"
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as_fn_append MODULE_BLOCK "MODULE__POSIXSHMEM_LDFLAGS=$POSIXSHMEM_LIBS$as_nl"
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fi
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if test "$py_cv_module__posixshmem" = yes; then
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MODULE__POSIXSHMEM_TRUE=
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MODULE__POSIXSHMEM_FALSE='#'
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else
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MODULE__POSIXSHMEM_TRUE='#'
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MODULE__POSIXSHMEM_FALSE=
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__posixshmem" >&5
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$as_echo "$py_cv_module__posixshmem" >&6; }
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module grp" >&5
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$as_echo_n "checking for stdlib extension module grp... " >&6; }
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@ -22621,6 +22658,10 @@ if test -z "${MODULE_MMAP_TRUE}" && test -z "${MODULE_MMAP_FALSE}"; then
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as_fn_error $? "conditional \"MODULE_MMAP\" was never defined.
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Usually this means the macro was only invoked conditionally." "$LINENO" 5
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fi
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if test -z "${MODULE__POSIXSHMEM_TRUE}" && test -z "${MODULE__POSIXSHMEM_FALSE}"; then
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as_fn_error $? "conditional \"MODULE__POSIXSHMEM\" was never defined.
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Usually this means the macro was only invoked conditionally." "$LINENO" 5
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fi
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if test -z "${MODULE_GRP_TRUE}" && test -z "${MODULE_GRP_FALSE}"; then
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as_fn_error $? "conditional \"MODULE_GRP\" was never defined.
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Usually this means the macro was only invoked conditionally." "$LINENO" 5
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42
configure.ac
42
configure.ac
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@ -5875,27 +5875,24 @@ AS_VAR_IF([ac_cv_func_getrandom], [yes], [
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# checks for POSIX shared memory, used by Modules/_multiprocessing/posixshmem.c
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# shm_* may only be available if linking against librt
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save_LIBS="$LIBS"
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save_includes_default="$ac_includes_default"
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AC_SEARCH_LIBS(shm_open, rt)
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if test "$ac_cv_search_shm_open" = "-lrt"; then
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AC_DEFINE(SHM_NEEDS_LIBRT, 1,
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[Define to 1 if you must link with -lrt for shm_open().])
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fi
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AC_CHECK_HEADERS(sys/mman.h)
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# temporarily override ac_includes_default for AC_CHECK_FUNCS below
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ac_includes_default="\
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${ac_includes_default}
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#ifndef __cplusplus
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# ifdef HAVE_SYS_MMAN_H
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# include <sys/mman.h>
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# endif
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#endif
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"
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AC_CHECK_FUNCS([shm_open shm_unlink])
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# we don't want to link with librt always, restore LIBS
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LIBS="$save_LIBS"
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ac_includes_default="$save_includes_default"
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POSIXSHMEM_CFLAGS='-I$(srcdir)/Modules/_multiprocessing'
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WITH_SAVE_ENV([
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AC_SEARCH_LIBS([shm_open], [rt])
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AS_VAR_IF([ac_cv_search_shm_open], [-lrt], [POSIXSHMEM_LIBS="-lrt"])
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dnl Temporarily override ac_includes_default for AC_CHECK_FUNCS below.
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_SAVE_VAR([ac_includes_default])
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ac_includes_default="\
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${ac_includes_default}
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#ifndef __cplusplus
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# ifdef HAVE_SYS_MMAN_H
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# include <sys/mman.h>
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# endif
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#endif
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"
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AC_CHECK_FUNCS([shm_open shm_unlink], [have_posix_shmem=yes], [have_posix_shmem=no])
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_RESTORE_VAR([ac_includes_default])
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])
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# Check for usable OpenSSL
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AX_CHECK_OPENSSL([have_openssl=yes],[have_openssl=no])
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@ -6251,6 +6248,9 @@ PY_STDLIB_MOD([fcntl],
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[], [$FCNTL_LIBS])
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PY_STDLIB_MOD([mmap],
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[], [test "$ac_cv_header_sys_mman_h" = "yes" -a "$ac_cv_header_sys_stat_h" = "yes"])
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PY_STDLIB_MOD([_posixshmem],
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[], [test "$have_posix_shmem" = "yes"],
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[$POSIXSHMEM_CFLAGS], [$POSIXSHMEM_LIBS])
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dnl platform specific extensions
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PY_STDLIB_MOD([grp], [], [test "$ac_cv_func_getgrgid" = yes -o "$ac_cv_func_getgrgid_r" = yes])
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@ -1469,9 +1469,6 @@
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/* Define if setpgrp() must be called as setpgrp(0, 0). */
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#undef SETPGRP_HAVE_ARG
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/* Define to 1 if you must link with -lrt for shm_open(). */
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#undef SHM_NEEDS_LIBRT
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/* Define if i>>j for signed int i does not extend the sign bit when i < 0 */
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#undef SIGNED_RIGHT_SHIFT_ZERO_FILLS
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15
setup.py
15
setup.py
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@ -1397,20 +1397,7 @@ class PyBuildExt(build_ext):
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self.add(Extension('_multiprocessing', multiprocessing_srcs,
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include_dirs=["Modules/_multiprocessing"]))
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if (not MS_WINDOWS and
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sysconfig.get_config_var('HAVE_SHM_OPEN') and
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sysconfig.get_config_var('HAVE_SHM_UNLINK')):
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posixshmem_srcs = ['_multiprocessing/posixshmem.c']
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libs = []
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if sysconfig.get_config_var('SHM_NEEDS_LIBRT'):
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# need to link with librt to get shm_open()
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libs.append('rt')
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self.add(Extension('_posixshmem', posixshmem_srcs,
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define_macros={},
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libraries=libs,
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include_dirs=["Modules/_multiprocessing"]))
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else:
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self.missing.append('_posixshmem')
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self.addext(Extension('_posixshmem', ['_multiprocessing/posixshmem.c']))
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def detect_uuid(self):
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# Build the _uuid module if possible
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