timeout_func($timeout, 'myfunc', ...);

sub timeout_func
{
    my ($timeout, $func_name, @args) = @_;
    
    # ...

    eval
    {
        # ...
        {
            no strict 'refs';
            $func_name->(@args);
        }
    }
    
    if ($@)
    {
        die "$func_name died ($@)\n";
    }
}