!747

m {
  static int masterPort;
  static DialogIO masterConn;
  static int interval = 1000;
  
  p {
    masterPort = parseInt(args[0]);
    masterConn = talkTo("localhost", masterPort);
    print("Dependent VM: Connected to master at port " + masterPort + ".");
    masterConn.readLine();
    masterConn.sendLine("Master: My VM port is " + myVMPort());
    masterConn.readLine();
    while (shouldStayAlive())
      sleep(interval);
    System.exit(0);
  }
  
  static boolean shouldStayAlive() {
    try {
      masterConn.sendLine("Master: Should I stay alive?");
      S answer = masterConn.readLine();
      boolean yes = match3("yes", answer) || match3("yes ...", answer);
      if (!yes)
        print("Master said: " + answer);
      return yes;
    } catch (Exception e) {
      e.printStackTrace();
      return false;
    }
  }
}

Began life as a copy of #1001316