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# Copyright (C) 2019-2021 all contributors <meta@public-inbox.org>
use strict;
use Test::More;
use IO::Handle;
use POSIX qw(:signal_h);
use Errno qw(ENOSYS);
require_ok 'PublicInbox::Sigfd';
use PublicInbox::DS;
SKIP: {
if ($^O ne 'linux' && !eval { require IO::KQueue }) {
skip 'signalfd requires Linux or IO::KQueue to emulate', 10;
}
my $old = PublicInbox::DS::block_signals();
my $hit = {};
my $sig = {};
local $SIG{HUP} = sub { $hit->{HUP}->{normal}++ };
local $SIG{TERM} = sub { $hit->{TERM}->{normal}++ };
local $SIG{INT} = sub { $hit->{INT}->{normal}++ };
for my $s (qw(HUP TERM INT)) {
$sig->{$s} = sub { $hit->{$s}->{sigfd}++ };
}
my $sigfd = PublicInbox::Sigfd->new($sig, 0);
if ($sigfd) {
ok($sigfd, 'Sigfd->new works');
kill('HUP', $$) or die "kill $!";
kill('INT', $$) or die "kill $!";
my $fd = fileno($sigfd->{sock});
ok($fd >= 0, 'fileno(Sigfd->{sock}) works');
my $rvec = '';
vec($rvec, $fd, 1) = 1;
is(select($rvec, undef, undef, undef), 1, 'select() works');
ok($sigfd->wait_once, 'wait_once reported success');
for my $s (qw(HUP INT)) {
is($hit->{$s}->{sigfd}, 1, "sigfd fired $s");
is($hit->{$s}->{normal}, undef,
'normal $SIG{$s} not fired');
}
$sigfd = undef;
my $nbsig = PublicInbox::Sigfd->new($sig, 1);
ok($nbsig, 'Sigfd->new SFD_NONBLOCK works');
is($nbsig->wait_once, undef, 'nonblocking ->wait_once');
ok($! == Errno::EAGAIN, 'got EAGAIN');
kill('HUP', $$) or die "kill $!";
PublicInbox::DS->SetPostLoopCallback(sub {}); # loop once
PublicInbox::DS::event_loop();
is($hit->{HUP}->{sigfd}, 2, 'HUP sigfd fired in event loop') or
diag explain($hit); # sometimes fails on FreeBSD 11.x
kill('TERM', $$) or die "kill $!";
kill('HUP', $$) or die "kill $!";
PublicInbox::DS::event_loop();
PublicInbox::DS->Reset;
is($hit->{TERM}->{sigfd}, 1, 'TERM sigfd fired in event loop');
is($hit->{HUP}->{sigfd}, 3, 'HUP sigfd fired in event loop');
} else {
skip('signalfd disabled?', 10);
}
sigprocmask(SIG_SETMASK, $old) or die "sigprocmask $!";
}
done_testing;
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