use IPC::Open3;
    use strict;

    my $timeout = 5;
    my ( $wtr, $rdr, $err );

    my $test_program;
    if ( $^O =~ /win32/i )
    {
        $test_program = q{" $|=1; for( 0 .. 10 ) { print \"$_\n\"; sleep 1; } "};
    }
    else
    {
        $test_program = q{ $|=1; for( 0 .. 10 ) { print "$_\n"; sleep 1; } };
    }

    my $pid = open3($wtr, $rdr, $err, 'perl', '-e', $test_program );

    my $forked = fork();
    die "fork() failed: $!" unless defined $forked;
    if ( $forked == 0 )
    {
        sleep $timeout;
        kill(9, $pid);
        exit;
    }

    while ( <$rdr> )
    {
        print $_;
        sleep 1;
    }
    print "finished\n";