-# Copyright (C) 2019-2021 all contributors <meta@public-inbox.org>
+# Copyright (C) all contributors <meta@public-inbox.org>
# Licensed the same as Danga::Socket (and Perl5)
# License: GPL-1.0+ or Artistic-1.0-Perl
# <https://www.gnu.org/licenses/gpl-1.0.txt>
#
# It also implements signalfd(2) emulation via "tie".
package PublicInbox::DSKQXS;
-use strict;
-use warnings;
+use v5.12;
use parent qw(Exporter);
use Symbol qw(gensym);
use IO::KQueue;