Implementation of improved notifier from Lucio Andrés Illanes Albornoz.

1 files changed, 60 insertions, 0 deletions

diff --git a/unix/configure b/unix/configure
index baea1f1..14f88f3 100755
--- a/unix/configure
+++ b/unix/configure
@@ -8439,6 +8439,66 @@ $as_echo "#define NO_FD_SET 1" >>confdefs.h
 
 fi
 
+#-----------------------------------------------------------------------------
+#	Options for the notifier. Checks for epoll(7) on Linux, and kqueue(2)
+#	on FreeBSD.
+#-----------------------------------------------------------------------------
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for advanced notifier support" >&5
+$as_echo_n "checking for advanced notifier support... " >&6; }
+case x`uname -s` in
+  xLinux)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: epoll(7)" >&5
+$as_echo "epoll(7)" >&6; }
+    for ac_header in sys/epoll.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "sys/epoll.h" "ac_cv_header_sys_epoll_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_epoll_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_SYS_EPOLL_H 1
+_ACEOF
+
+$as_echo "#define HAVE_EPOLL 1" >>confdefs.h
+
+fi
+
+done
+;;
+  xFreeBSD)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: kqueue(2)" >&5
+$as_echo "kqueue(2)" >&6; }
+    # Messy because we want to check if *all* the headers are present, and not
+    # just *any*
+    tcl_kqueue_headers=x
+    for ac_header in sys/types.h sys/event.h sys/time.h
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+ tcl_kqueue_headers=${tcl_kqueue_headers}y
+fi
+
+done
+
+    if test $tcl_kqueue_headers = xyyy; then :
+
+
+$as_echo "#define HAVE_KQUEUE 1" >>confdefs.h
+
+fi;;
+  xDarwin)
+    # Assume that we've got CoreFoundation present (checked elsewhere because
+    # of wider impact).
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: OSX" >&5
+$as_echo "OSX" >&6; };;
+  *)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5
+$as_echo "none" >&6; };;
+esac
+
 #------------------------------------------------------------------------------
 #       Find out all about time handling differences.
 #------------------------------------------------------------------------------