!7

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

p-tt {
  centerHigherConsole();
  print("Initiating deadlock... :-)\n");
  
  thread "A" {
    lock a; // cool new syntax!
    print("Thread A has lock A.");
    sleep1Second();
    print("Thread A getting lock B.");
    lock b;
    print("Thread A successful!");
  }
  
  thread "B" {
    lock b ;
    print("Thread B has lock B.");
    sleep1Second();
    print("Thread B getting lock A.");
    lock a;
    print("Thread B successful!");
  }
  
  sleepQuietly();
}

Began life as a copy of #1009311