# Copyright (C) 2019-2021 all contributors
# Licensed the same as Danga::Socket (and Perl5)
# License: GPL-1.0+ or Artistic-1.0-Perl
#
#
use strict; use v5.10.1; use PublicInbox::TestCommon;
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 { $pid = spawn([qw(sleep 10)]) });
PublicInbox::DS::event_loop();
ok($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');
SKIP: {
my $lsof = require_cmd('lsof', 1) or skip 'lsof missing', 1;
my $rdr = { 2 => \(my $null) };
my @of = grep(/$evfd_re/, xqx([$lsof, '-p', $pid], {}, $rdr));
my $err = $?;
skip "lsof broken ? (\$?=$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: {
require_mods('BSD::Resource', 1);
my $rlim = BSD::Resource::RLIMIT_NOFILE();
my ($n,undef) = BSD::Resource::getrlimit($rlim);
# FreeBSD 11.2 with 2GB RAM gives RLIMIT_NOFILE=57987!
if ($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($cb);
PublicInbox::DS::event_loop();
PublicInbox::DS->Reset;
}
ok(1, "Reset works and doesn't hit RLIMIT_NOFILE ($n)");
};
done_testing;