1 // Copyright 2006 The Android Open Source Project 2 3 /** 4 * This causes most VMs to lock up. 5 * 6 * Interrupting threads in class initialization should NOT work. 7 */ 8 public class Main { 9 public static boolean aInitialized = false; 10 public static boolean bInitialized = false; 11 12 static public void main(String[] args) { 13 Thread thread1, thread2; 14 15 System.out.println("Deadlock test starting."); 16 thread1 = new Thread() { public void run() { new A(); } }; 17 thread2 = new Thread() { public void run() { new B(); } }; 18 thread1.start(); 19 thread2.start(); 20 21 try { Thread.sleep(6000); } catch (InterruptedException ie) { } 22 23 System.out.println("Deadlock test interupting threads."); 24 thread1.interrupt(); 25 thread2.interrupt(); 26 System.out.println("Deadlock test main thread bailing."); 27 System.out.println("A initialized: " + aInitialized); 28 System.out.println("B initialized: " + bInitialized); 29 System.exit(0); 30 } 31 } 32 33 class A { 34 static { 35 System.out.println("A initializing..."); 36 try { Thread.sleep(3000); } catch (InterruptedException ie) { } 37 new B(); 38 System.out.println("A initialized"); 39 Main.aInitialized = true; 40 } 41 } 42 43 class B { 44 static { 45 System.out.println("B initializing..."); 46 try { Thread.sleep(3000); } catch (InterruptedException ie) { } 47 new A(); 48 System.out.println("B initialized"); 49 Main.bInitialized = true; 50 } 51 } 52 53
