require 'gtk2'

Gtk.init

w = Gtk::Window.new
w.window_position = Gtk::Window::POS_CENTER
w.add(b = Gtk::Button.new('foo'))
b.signal_connect('clicked') {
    puts "clicked-1"
    raise "meuh"
    puts "clicked-2"
}
w.show_all

begin
    puts "main-1"
    Gtk.main
    puts "main-2"
rescue
    puts "exception: #{$!}"
end

puts "the end"