ctrl-c to close on clients

src/listen.go

@@ -50,5 +50,12 @@ func handle(ctx context.Context, config Config, conn net.Conn) {
 func _handle(ctx context.Context, config Config, conn net.Conn) error {
 	defer conn.Close()
 
+	ctx, can := context.WithCancel(ctx)
+	defer can()
+	go func() {
+		<-ctx.Done()
+		conn.Close()
+	}()
+
 	return adapt(ctx, config, conn)
 }