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Re: javax.swing.Timer blocking program termination

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From Jeff Higgins <jeff@invalid.invalid>
Newsgroups comp.lang.java.programmer
Subject Re: javax.swing.Timer blocking program termination
Date Tue, 14 Jul 2015 20:31:56 -0400
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Defined in AbstractQueuedSynchronizer:
/**
  * The number of nanoseconds for which it is faster to spin
  * rather than to use timed park. A rough estimate suffices
  * to improve responsiveness with very short timeouts.
  */
static final long spinForTimeoutThreshold = 1000L;



 From the method:
AbstractQueuedSynchronizer.awaitNanos

if (nanosTimeout >= spinForTimeoutThreshold)
   LockSupport.parkNanos(this, nanosTimeout);



 From thread dump after close:
Timer ringing: javax.swing.Timer@b52ebbf
Timer ringing: javax.swing.Timer@7a50dc07
Close
"TimerQueue"
    java.lang.Thread.State: TIMED_WAITING
         at sun.misc.Unsafe.park(Native Method)
         at 
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
         at 
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
         at java.util.concurrent.DelayQueue.take(DelayQueue.java:223)
         at javax.swing.TimerQueue.run(TimerQueue.java:171)
         at java.lang.Thread.run(Thread.java:745)

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javax.swing.Timer blocking program termination Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2015-07-13 16:03 -0700
  Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-13 20:27 -0400
    Re: javax.swing.Timer blocking program termination Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2015-07-13 17:46 -0700
      Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-13 21:35 -0400
        Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-13 22:13 -0400
          Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-13 22:27 -0400
          Re: javax.swing.Timer blocking program termination e.d.programmer@gmail.com - 2015-07-14 06:31 -0700
            Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-14 10:15 -0400
              Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-14 10:22 -0400
              Re: javax.swing.Timer blocking program termination e.d.programmer@gmail.com - 2015-07-14 07:39 -0700
                Re: javax.swing.Timer blocking program termination Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-07-14 10:53 -0400
                Re: javax.swing.Timer blocking program termination e.d.programmer@gmail.com - 2015-07-14 10:16 -0700
                Re: javax.swing.Timer blocking program termination Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-07-14 13:25 -0400
                Re: javax.swing.Timer blocking program termination e.d.programmer@gmail.com - 2015-07-14 10:45 -0700
                Re: javax.swing.Timer blocking program termination Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-07-14 14:16 -0400
                Re: javax.swing.Timer blocking program termination Gene Wirchenko <genew@telus.net> - 2015-07-14 12:56 -0700
                Re: javax.swing.Timer blocking program termination Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-07-14 16:14 -0400
                Re: javax.swing.Timer blocking program termination e.d.programmer@gmail.com - 2015-07-15 05:11 -0700
                Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-15 08:33 -0400
                Re: javax.swing.Timer blocking program termination Martin Gregorie <martin@address-in-sig.invalid> - 2015-07-15 18:46 +0000
                Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-15 21:18 -0400
                Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-15 22:13 -0400
                Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-14 10:55 -0400
                Re: javax.swing.Timer blocking program termination Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2015-07-14 08:17 -0700
                Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-14 11:42 -0400
                Re: javax.swing.Timer blocking program termination Martin Gregorie <martin@address-in-sig.invalid> - 2015-07-14 18:35 +0000
                Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-14 15:17 -0400
                Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-14 15:36 -0400
                Re: javax.swing.Timer blocking program termination Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-07-14 15:51 -0400
                Re: javax.swing.Timer blocking program termination Martin Gregorie <martin@address-in-sig.invalid> - 2015-07-14 21:51 +0000
                Re: javax.swing.Timer blocking program termination Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2015-07-14 15:08 -0700
                Re: javax.swing.Timer blocking program termination Martin Gregorie <martin@address-in-sig.invalid> - 2015-07-15 01:16 +0000
                Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-14 16:09 -0400
                Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-14 18:32 -0400
                Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-14 18:34 -0400
                Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-14 20:31 -0400
                Re: javax.swing.Timer blocking program termination Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2015-07-14 08:16 -0700
  Re: javax.swing.Timer blocking program termination Joerg Meier <joergmmeier@arcor.de> - 2015-07-14 08:32 +0200
  Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-14 22:18 -0400
  Re: javax.swing.Timer blocking program termination Jeff Higgins <jeff@invalid.invalid> - 2015-07-15 08:26 -0400
    Re: javax.swing.Timer blocking program termination Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2015-07-15 11:05 -0700

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