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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [testsuite/] [libjava.lang/] [Thread_Interrupt.java] - Blame information for rev 765

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Line No. Rev Author Line
1 765 jeremybenn 
// Test interrupt() behaviour on a thread in wait(), sleep(), and spinning
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// in a loop.
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class ThreadBase extends Thread
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{
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  boolean ready = false;
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  synchronized void ready()
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  {
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    ready = true;
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  }
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}
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class Waiter extends ThreadBase
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{
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  public synchronized void run()
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  {
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    super.ready();
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    System.out.println ("wait()");
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    try
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    {
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      wait();
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      System.out.println("Error: wait() completed normally.");
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    }
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    catch (InterruptedException x)
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    {
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      if (isInterrupted() || interrupted())
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        System.out.println("Error: interrupt flag is still set.");
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    }
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      System.out.println("interrupted - ok");
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  }
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}
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class Sleeper extends ThreadBase
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{
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  public void run()
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  {
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    super.ready();
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    System.out.println ("sleep()");
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    try
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    {
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      sleep(5000);
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      System.out.println("Error: sleep() completed normally.");
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    }
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    catch (InterruptedException x)
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    {
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      if (isInterrupted() || interrupted())
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        System.out.println("Error: interrupt flag is still set.");
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      System.out.println("interrupted - ok");
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    }
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  }
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}
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class Looper extends ThreadBase
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{
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  public void run()
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  {
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    super.ready();
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    System.out.println ("Busy waiting");
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    int count = 0;
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    long start = System.currentTimeMillis();
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    while (true)
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      {
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        Thread.yield();
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        if (isInterrupted ())
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          break;
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        long now = System.currentTimeMillis();
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        if ((now - start) > 5000)
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          break;
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      }
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    synchronized (this)
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    {
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      if (interrupted ())
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        {
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          System.out.println ("interrupted - ok");
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          if (isInterrupted () || interrupted ())
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            System.out.println("Error: interrupt flag is still set.");
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        }
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      else
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        System.out.println ("Error: Busy wait was not interrupted.");
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    }
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  }
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}
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class Joiner extends ThreadBase
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{
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  public void run()
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  {
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    super.ready();
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    System.out.println("join()");
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    try
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    {
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      join(2000);
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      System.out.println("Error: join() completed normally??!");
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    }
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    catch (InterruptedException x)
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    {
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      if (isInterrupted() || interrupted())
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        System.out.println("Error: interrupt flag is still set.");
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      System.out.println("interrupted - ok");
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    }
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  }
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}
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public class Thread_Interrupt
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{
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  public static void main(String args[])
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  {
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    Waiter w = new Waiter();
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    w.start ();
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    sleep_and_interrupt (w);
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    Sleeper s = new Sleeper();
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    s.start ();
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    sleep_and_interrupt (s);
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    Looper l = new Looper ();
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    l.start ();
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    sleep_and_interrupt (l);
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    Joiner j = new Joiner ();
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    j.start ();
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    sleep_and_interrupt (j);
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  }
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  public static void sleep_and_interrupt(ThreadBase t)
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  {
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    try
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    {
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      synchronized (t)
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        {
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          while (!t.ready)
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            t.wait(10);
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        }
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      Thread.sleep (50);
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      t.interrupt ();
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      long t1 = System.currentTimeMillis();
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      t.join (5000);
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      long time = System.currentTimeMillis() - t1;
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      if (time > 2900)
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        {
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          System.out.println ("Error: join() from main thread timed out");
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        }
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    }
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    catch (InterruptedException x)
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    {
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      System.out.println("Error: main thread interrupted.");
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    }
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  }
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}

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