!7

static Lock a = fairLock();
static Lock b = fairLock();

p-tt {
  centerHigherConsole();
  startDeadlockDetector();
  print("Initiating deadlock... :-)\n");
  
  thread "A" {
    a.lock();
    try {
      print("Thread A has lock A.");
      sleep1Second();
      print("Thread A getting lock B.");
      b.lock();
      try {
        print("Thread A sleeping.");
        main.sleep();
      } finally {
        b.unlock();
      }
    } finally {
      a.unlock();
    }
  }
  
  thread "B" {
    b.lock();
    try {
      print("Thread B has lock B.");
      sleep1Second();
      print("Thread B getting lock A.");
      a.lock();
      try {
        print("Thread B sleeping.");
        main.sleep();
       } finally {
         a.unlock();
      }
    } finally {
      b.unlock();
    }
 }
  
  sleepQuietly();
}