Traps INT signal (#105)

lib/listen/listener.rb

@@ -30,6 +30,7 @@ def initialize(*args, &block)
  # for changes. The current thread is not blocked after starting.
  #
  def start
+ _signals_trap
  _init_actors
  unpause
  adapter.async.start
@@ -81,6 +82,12 @@ def _init_actors
  Celluloid::Actor[:listen_record] = Record.new(self)
  end
 
+ def _signals_trap
+ if Signal.list.keys.include?('INT')
+ Signal.trap('INT') { exit }
+ end
+ end
+
  def _build_record_if_needed
  record && record.build
  end

spec/lib/listen/listener_spec.rb

@@ -50,6 +50,11 @@
  adapter.stub_chain(:async, :start)
  }
 
+ it "traps INT signal" do
+ expect(Signal).to receive(:trap).with('INT')
+ listener.start
+ end
+
  it "registers change_pool" do
  Listen::Change.should_receive(:pool).with(args: listener) { change_pool }
  Celluloid::Actor.should_receive(:[]=).with(:listen_change_pool, change_pool)