Merge branch 'cleanup_signal_handling' of https://github.com/calavera/docker into calavera-cleanup_signal_handling

AUTHORS

@@ -27,6 +27,7 @@ Daniel Mizyrycki <daniel.mizyrycki@dotcloud.com>
 Daniel Robinson <gottagetmac@gmail.com>
 Daniel Von Fange <daniel@leancoder.com>
 Daniel YC Lin <dlin.tw@gmail.com>
+David Calavera <david.calavera@gmail.com>
 David Sissitka <me@dsissitka.com>
 Dominik Honnef <dominik@honnef.co>
 Don Spaulding <donspauldingii@gmail.com>

commands.go

@@ -1666,13 +1666,12 @@ func (cli *DockerCli) monitorTtySize(id string) error {
 	}
 	cli.resizeTty(id)
 
-	c := make(chan os.Signal, 1)
-	signal.Notify(c, syscall.SIGWINCH)
+	sigchan := make(chan os.Signal, 1)
+	signal.Notify(sigchan, syscall.SIGWINCH)
 	go func() {
-		for sig := range c {
-			if sig == syscall.SIGWINCH {
-				cli.resizeTty(id)
-			}
+		for {
+			<-sigchan
+			cli.resizeTty(id)
 		}
 	}()
 	return nil