bpo-21302: Add nanosleep() implementation for time.sleep() in Unix (GH-28545)

Co-authored-by: Livius <egyszeregy@freemail.hu>
This commit is contained in:
Victor Stinner 2021-09-25 14:36:26 +02:00 committed by GitHub
parent 71f8ff45c6
commit 7834ff26cb
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 114 additions and 33 deletions

58
configure vendored
View file

@ -13310,6 +13310,64 @@ fi
done
for ac_func in nanosleep
do :
ac_fn_c_check_func "$LINENO" "nanosleep" "ac_cv_func_nanosleep"
if test "x$ac_cv_func_nanosleep" = xyes; then :
cat >>confdefs.h <<_ACEOF
#define HAVE_NANOSLEEP 1
_ACEOF
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for nanosleep in -lrt" >&5
$as_echo_n "checking for nanosleep in -lrt... " >&6; }
if ${ac_cv_lib_rt_nanosleep+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_check_lib_save_LIBS=$LIBS
LIBS="-lrt $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char nanosleep ();
int
main ()
{
return nanosleep ();
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_lib_rt_nanosleep=yes
else
ac_cv_lib_rt_nanosleep=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_rt_nanosleep" >&5
$as_echo "$ac_cv_lib_rt_nanosleep" >&6; }
if test "x$ac_cv_lib_rt_nanosleep" = xyes; then :
$as_echo "#define HAVE_NANOSLEEP 1" >>confdefs.h
fi
fi
done
for ac_func in clock_getres
do :
ac_fn_c_check_func "$LINENO" "clock_getres" "ac_cv_func_clock_getres"