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Add missing pthread_barrier_t.

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Supply a simple implementation of the missing pthread_barrier_t type and
functions, for macOS.

Discussion: https://postgr.es/m/20200227180100.zyvjwzcpiokfsqm2%40alap3.anarazel.de
This commit is contained in:
Thomas Munro
2021-03-10 15:40:17 +13:00
parent 547f04e734
commit 44bf3d5083
7 changed files with 196 additions and 0 deletions
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69
configure vendored
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@ -11635,6 +11635,62 @@ if test "$ac_res" != no; then :
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_barrier_wait" >&5
$as_echo_n "checking for library containing pthread_barrier_wait... " >&6; }
if ${ac_cv_search_pthread_barrier_wait+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char pthread_barrier_wait ();
int
main ()
{
return pthread_barrier_wait ();
;
return 0;
}
_ACEOF
for ac_lib in '' pthread; do
if test -z "$ac_lib"; then
ac_res="none required"
else
ac_res=-l$ac_lib
LIBS="-l$ac_lib $ac_func_search_save_LIBS"
fi
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_search_pthread_barrier_wait=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext
if ${ac_cv_search_pthread_barrier_wait+:} false; then :
break
fi
done
if ${ac_cv_search_pthread_barrier_wait+:} false; then :
else
ac_cv_search_pthread_barrier_wait=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_barrier_wait" >&5
$as_echo "$ac_cv_search_pthread_barrier_wait" >&6; }
ac_res=$ac_cv_search_pthread_barrier_wait
if test "$ac_res" != no; then :
test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
fi
# Solaris:
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing fdatasync" >&5
$as_echo_n "checking for library containing fdatasync... " >&6; }
@ -15883,6 +15939,19 @@ esac
fi
ac_fn_c_check_func "$LINENO" "pthread_barrier_wait" "ac_cv_func_pthread_barrier_wait"
if test "x$ac_cv_func_pthread_barrier_wait" = xyes; then :
$as_echo "#define HAVE_PTHREAD_BARRIER_WAIT 1" >>confdefs.h
else
case " $LIBOBJS " in
*" pthread_barrier_wait.$ac_objext "* ) ;;
*) LIBOBJS="$LIBOBJS pthread_barrier_wait.$ac_objext"
;;
esac
fi
ac_fn_c_check_func "$LINENO" "pwrite" "ac_cv_func_pwrite"
if test "x$ac_cv_func_pwrite" = xyes; then :
$as_echo "#define HAVE_PWRITE 1" >>confdefs.h