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| | # Copyright (C) 2019-2020 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>
# <https://dev.perl.org/licenses/artistic.html>
use strict;
use warnings;
use Test::More;
use_ok 'PublicInbox::DS';
if ('close-on-exec for epoll and kqueue') {
use PublicInbox::Spawn qw(spawn);
my $pid;
my $evfd_re = qr/(?:kqueue|eventpoll)/i;
PublicInbox::DS->SetLoopTimeout(0);
PublicInbox::DS->SetPostLoopCallback(sub { 0 });
# make sure execve closes if we're using fork()
my ($r, $w);
pipe($r, $w) or die "pipe: $!";
PublicInbox::DS::add_timer(0, sub { $pid = spawn([qw(sleep 10)]) });
PublicInbox::DS->EventLoop;
ok($pid, 'subprocess spawned');
# wait for execve, we need to ensure lsof sees sleep(1)
# and not the fork of this process:
close $w or die "close: $!";
my $l = <$r>;
is($l, undef, 'cloexec works and sleep(1) is running');
my @of = grep(/$evfd_re/, `lsof -p $pid 2>/dev/null`);
my $err = $?;
SKIP: {
skip "lsof missing? (\$?=$err)", 1 if $err;
is_deeply(\@of, [], 'no FDs leaked to subprocess');
};
if (defined $pid) {
kill(9, $pid);
waitpid($pid, 0);
}
PublicInbox::DS->Reset;
}
SKIP: {
# not bothering with BSD::Resource
chomp(my $n = `/bin/sh -c 'ulimit -n'`);
# FreeBSD 11.2 with 2GB RAM gives RLIMIT_NOFILE=57987!
if ($n > 1024 && !$ENV{TEST_EXPENSIVE}) {
skip "RLIMIT_NOFILE=$n too big w/o TEST_EXPENSIVE for $0", 1;
}
my $cb = sub {};
for my $i (0..$n) {
PublicInbox::DS->SetLoopTimeout(0);
PublicInbox::DS->SetPostLoopCallback($cb);
PublicInbox::DS->EventLoop;
PublicInbox::DS->Reset;
}
ok(1, "Reset works and doesn't hit RLIMIT_NOFILE ($n)");
};
done_testing;
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