#! perl
no warnings;
use Socket;
my ($pr, $pw);
unless (socketpair $pr, $pw, Socket::AF_UNIX (), Socket::SOCK_STREAM (), 0) {
print "1..0 # SKIP socketpair failed - broken platform, skipping tests\n";
exit;
}
print "1..12\n"; $|=1;
use Async::Interrupt;
# we ignore the requirement to put handles into nonblocking mode
# IN THIS TEST only. never do that in real life.
my $ai = new Async::Interrupt
pipe => [$pr, $pw],
cb => sub { print "ok $_[0]\n" };
print "ok 1\n";
$ai->signal (2);
print "ok 3\n";
my ($vr, $vR); vec ($vr, fileno $pr, 1) = 1;
my $n = select $vR=$vr, undef, undef, 0;
print $n == 0 ? "" : "not ", "ok 4 # $n\n";
$ai->block;
$ai->signal (7);
print "ok 5\n";
my $n = select $vR=$vr, undef, undef, 0;
print $n == 1 ? "" : "not ", "ok 6 # $n\n";
$ai->unblock;
my $n = select $vR=$vr, undef, undef, 0;
print $n == 0 ? "" : "not ", "ok 8 # $n\n";
$ai->signal (9);
my $n = select $vR=$vr, undef, undef, 0;
print $n == 0 ? "" : "not ", "ok 10 # $n\n";
$ai->pipe_disable;
$ai->scope_block;
$ai->signal (12);
my $n = select $vR=$vr, undef, undef, 0;
print $n == 0 ? "" : "not ", "ok 11 # $n\n";
undef $ai; # will cause signal to be sent