Add Finalize on SIGINT

connection.go

@@ -39,14 +39,17 @@ func (c *connection) Connect() bool {
 }
 
 func (c *connection) Disconnect() bool {
+	fmt.Println("Disconnecting " + c.Name + "...")
 	return c.Adaptor.Disconnect()
 }
 
 func (c *connection) Finalize() bool {
+	fmt.Println("Finalizing " + c.Name + "...")
 	return c.Adaptor.Finalize()
 }
 
 func (c *connection) Reconnect() bool {
+	fmt.Println("Reconnecting to " + c.Name + " on port " + c.Port + "...")
 	return c.Adaptor.Reconnect()
 }
 

master.go

@@ -1,6 +1,10 @@
 package gobot
 
-import "runtime"
+import (
+	"os"
+	"os/signal"
+	"runtime"
+)
 
 type Master struct {
 	Robots []Robot
@@ -15,10 +19,20 @@ func GobotMaster() *Master {
 
 func (m *Master) Start() {
 	runtime.GOMAXPROCS(m.NumCPU)
+
 	for s := range m.Robots {
 		go m.Robots[s].startRobot()
 	}
-	select {}
+
+	c := make(chan os.Signal)
+	signal.Notify(c, os.Interrupt)
+
+	for _ = range c {
+		for r := range m.Robots {
+			m.Robots[r].finalizeConnections()
+		}
+		break
+	}
 }
 
 func (m *Master) FindRobot(name string) *Robot {

robot.go

@@ -97,6 +97,12 @@ func (r *Robot) startDevices() bool {
 	return success
 }
 
+func (r *Robot) finalizeConnections() {
+	for i := range r.connections {
+		r.connections[i].Finalize()
+	}
+}
+
 func (r *Robot) GetDevices() []*device {
 	return r.devices
 }