--- jsr166/src/test/tck/AbstractQueuedSynchronizerTest.java 2009/11/18 16:04:34 1.28 +++ jsr166/src/test/tck/AbstractQueuedSynchronizerTest.java 2009/11/30 08:31:09 1.32 @@ -10,6 +10,7 @@ import junit.framework.*; import java.util.*; import java.util.concurrent.*; +import static java.util.concurrent.TimeUnit.MILLISECONDS; import java.util.concurrent.locks.*; import java.io.*; @@ -93,7 +94,7 @@ public class AbstractQueuedSynchronizerT * isHeldExclusively is false upon construction */ public void testIsHeldExclusively() { - Mutex rl = new Mutex(); + Mutex rl = new Mutex(); assertFalse(rl.isHeldExclusively()); } @@ -101,7 +102,7 @@ public class AbstractQueuedSynchronizerT * acquiring released sync succeeds */ public void testAcquire() { - Mutex rl = new Mutex(); + Mutex rl = new Mutex(); rl.acquire(1); assertTrue(rl.isHeldExclusively()); rl.release(1); @@ -112,7 +113,7 @@ public class AbstractQueuedSynchronizerT * tryAcquire on an released sync succeeds */ public void testTryAcquire() { - Mutex rl = new Mutex(); + Mutex rl = new Mutex(); assertTrue(rl.tryAcquire(1)); assertTrue(rl.isHeldExclusively()); rl.release(1); @@ -122,7 +123,7 @@ public class AbstractQueuedSynchronizerT * hasQueuedThreads reports whether there are waiting threads */ public void testhasQueuedThreads() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); assertFalse(sync.hasQueuedThreads()); @@ -147,7 +148,7 @@ public class AbstractQueuedSynchronizerT * isQueued(null) throws NPE */ public void testIsQueuedNPE() { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); try { sync.isQueued(null); shouldThrow(); @@ -158,7 +159,7 @@ public class AbstractQueuedSynchronizerT * isQueued reports whether a thread is queued. */ public void testIsQueued() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); assertFalse(sync.isQueued(t1)); @@ -188,7 +189,7 @@ public class AbstractQueuedSynchronizerT * getFirstQueuedThread returns first waiting thread or null if none */ public void testGetFirstQueuedThread() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); assertNull(sync.getFirstQueuedThread()); @@ -215,7 +216,7 @@ public class AbstractQueuedSynchronizerT * hasContended reports false if no thread has ever blocked, else true */ public void testHasContended() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); assertFalse(sync.hasContended()); @@ -240,7 +241,7 @@ public class AbstractQueuedSynchronizerT * getQueuedThreads includes waiting threads */ public void testGetQueuedThreads() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); assertTrue(sync.getQueuedThreads().isEmpty()); @@ -268,7 +269,7 @@ public class AbstractQueuedSynchronizerT * getExclusiveQueuedThreads includes waiting threads */ public void testGetExclusiveQueuedThreads() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); assertTrue(sync.getExclusiveQueuedThreads().isEmpty()); @@ -296,7 +297,7 @@ public class AbstractQueuedSynchronizerT * getSharedQueuedThreads does not include exclusively waiting threads */ public void testGetSharedQueuedThreads() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); Thread t1 = new Thread(new InterruptedSyncRunnable(sync)); Thread t2 = new Thread(new InterruptibleSyncRunnable(sync)); assertTrue(sync.getSharedQueuedThreads().isEmpty()); @@ -322,14 +323,15 @@ public class AbstractQueuedSynchronizerT * tryAcquireNanos is interruptible. */ public void testInterruptedException2() throws InterruptedException { - final Mutex sync = new Mutex(); - sync.acquire(1); - Thread t = new Thread(new CheckedInterruptedRunnable() { + final Mutex sync = new Mutex(); + sync.acquire(1); + Thread t = new Thread(new CheckedInterruptedRunnable() { public void realRun() throws InterruptedException { - sync.tryAcquireNanos(1, MEDIUM_DELAY_MS * 1000 * 1000); + sync.tryAcquireNanos(1, MEDIUM_DELAY_MS * 1000L * 1000L); }}); t.start(); + Thread.sleep(SHORT_DELAY_MS); t.interrupt(); t.join(); } @@ -339,9 +341,9 @@ public class AbstractQueuedSynchronizerT * TryAcquire on exclusively held sync fails */ public void testTryAcquireWhenSynced() throws InterruptedException { - final Mutex sync = new Mutex(); - sync.acquire(1); - Thread t = new Thread(new CheckedRunnable() { + final Mutex sync = new Mutex(); + sync.acquire(1); + Thread t = new Thread(new CheckedRunnable() { public void realRun() { threadAssertFalse(sync.tryAcquire(1)); }}); @@ -355,11 +357,11 @@ public class AbstractQueuedSynchronizerT * tryAcquireNanos on an exclusively held sync times out */ public void testAcquireNanos_Timeout() throws InterruptedException { - final Mutex sync = new Mutex(); - sync.acquire(1); - Thread t = new Thread(new CheckedRunnable() { + final Mutex sync = new Mutex(); + sync.acquire(1); + Thread t = new Thread(new CheckedRunnable() { public void realRun() throws InterruptedException { - threadAssertFalse(sync.tryAcquireNanos(1, 1000 * 1000)); + threadAssertFalse(sync.tryAcquireNanos(1, SHORT_DELAY_MS * 1000L * 1000L)); }}); t.start(); @@ -372,12 +374,12 @@ public class AbstractQueuedSynchronizerT * getState is true when acquired and false when not */ public void testGetState() throws InterruptedException { - final Mutex sync = new Mutex(); - sync.acquire(1); - assertTrue(sync.isHeldExclusively()); - sync.release(1); - assertFalse(sync.isHeldExclusively()); - Thread t = new Thread(new CheckedRunnable() { + final Mutex sync = new Mutex(); + sync.acquire(1); + assertTrue(sync.isHeldExclusively()); + sync.release(1); + assertFalse(sync.isHeldExclusively()); + Thread t = new Thread(new CheckedRunnable() { public void realRun() throws InterruptedException { sync.acquire(1); Thread.sleep(SMALL_DELAY_MS); @@ -396,9 +398,9 @@ public class AbstractQueuedSynchronizerT * acquireInterruptibly is interruptible. */ public void testAcquireInterruptibly1() throws InterruptedException { - final Mutex sync = new Mutex(); - sync.acquire(1); - Thread t = new Thread(new InterruptedSyncRunnable(sync)); + final Mutex sync = new Mutex(); + sync.acquire(1); + Thread t = new Thread(new InterruptedSyncRunnable(sync)); t.start(); Thread.sleep(SHORT_DELAY_MS); @@ -412,10 +414,11 @@ public class AbstractQueuedSynchronizerT * acquireInterruptibly succeeds when released, else is interruptible */ public void testAcquireInterruptibly2() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); sync.acquireInterruptibly(1); - Thread t = new Thread(new InterruptedSyncRunnable(sync)); + Thread t = new Thread(new InterruptedSyncRunnable(sync)); t.start(); + Thread.sleep(SHORT_DELAY_MS); t.interrupt(); assertTrue(sync.isHeldExclusively()); t.join(); @@ -425,7 +428,7 @@ public class AbstractQueuedSynchronizerT * owns is true for a condition created by sync else false */ public void testOwns() { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); final Mutex sync2 = new Mutex(); assertTrue(sync.owns(c)); @@ -436,7 +439,7 @@ public class AbstractQueuedSynchronizerT * Calling await without holding sync throws IllegalMonitorStateException */ public void testAwait_IllegalMonitor() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); try { c.await(); @@ -448,7 +451,7 @@ public class AbstractQueuedSynchronizerT * Calling signal without holding sync throws IllegalMonitorStateException */ public void testSignal_IllegalMonitor() { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); try { c.signal(); @@ -460,7 +463,7 @@ public class AbstractQueuedSynchronizerT * awaitNanos without a signal times out */ public void testAwaitNanos_Timeout() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); sync.acquire(1); long t = c.awaitNanos(100); @@ -472,10 +475,10 @@ public class AbstractQueuedSynchronizerT * Timed await without a signal times out */ public void testAwait_Timeout() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); sync.acquire(1); - assertFalse(c.await(SHORT_DELAY_MS, TimeUnit.MILLISECONDS)); + assertFalse(c.await(SHORT_DELAY_MS, MILLISECONDS)); sync.release(1); } @@ -483,7 +486,7 @@ public class AbstractQueuedSynchronizerT * awaitUntil without a signal times out */ public void testAwaitUntil_Timeout() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); sync.acquire(1); java.util.Date d = new java.util.Date(); @@ -495,9 +498,9 @@ public class AbstractQueuedSynchronizerT * await returns when signalled */ public void testAwait() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); - Thread t = new Thread(new CheckedRunnable() { + Thread t = new Thread(new CheckedRunnable() { public void realRun() throws InterruptedException { sync.acquire(1); c.await(); @@ -519,7 +522,7 @@ public class AbstractQueuedSynchronizerT * hasWaiters throws NPE if null */ public void testHasWaitersNPE() { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); try { sync.hasWaiters(null); shouldThrow(); @@ -530,7 +533,7 @@ public class AbstractQueuedSynchronizerT * getWaitQueueLength throws NPE if null */ public void testGetWaitQueueLengthNPE() { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); try { sync.getWaitQueueLength(null); shouldThrow(); @@ -542,7 +545,7 @@ public class AbstractQueuedSynchronizerT * getWaitingThreads throws NPE if null */ public void testGetWaitingThreadsNPE() { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); try { sync.getWaitingThreads(null); shouldThrow(); @@ -554,9 +557,9 @@ public class AbstractQueuedSynchronizerT * hasWaiters throws IAE if not owned */ public void testHasWaitersIAE() { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); - final Mutex sync2 = new Mutex(); + final Mutex sync2 = new Mutex(); try { sync2.hasWaiters(c); shouldThrow(); @@ -567,7 +570,7 @@ public class AbstractQueuedSynchronizerT * hasWaiters throws IMSE if not synced */ public void testHasWaitersIMSE() { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); try { sync.hasWaiters(c); @@ -580,9 +583,9 @@ public class AbstractQueuedSynchronizerT * getWaitQueueLength throws IAE if not owned */ public void testGetWaitQueueLengthIAE() { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); - final Mutex sync2 = new Mutex(); + final Mutex sync2 = new Mutex(); try { sync2.getWaitQueueLength(c); shouldThrow(); @@ -593,7 +596,7 @@ public class AbstractQueuedSynchronizerT * getWaitQueueLength throws IMSE if not synced */ public void testGetWaitQueueLengthIMSE() { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); try { sync.getWaitQueueLength(c); @@ -606,9 +609,9 @@ public class AbstractQueuedSynchronizerT * getWaitingThreads throws IAE if not owned */ public void testGetWaitingThreadsIAE() { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); - final Mutex sync2 = new Mutex(); + final Mutex sync2 = new Mutex(); try { sync2.getWaitingThreads(c); shouldThrow(); @@ -619,7 +622,7 @@ public class AbstractQueuedSynchronizerT * getWaitingThreads throws IMSE if not synced */ public void testGetWaitingThreadsIMSE() { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); try { sync.getWaitingThreads(c); @@ -633,9 +636,9 @@ public class AbstractQueuedSynchronizerT * hasWaiters returns true when a thread is waiting, else false */ public void testHasWaiters() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); - Thread t = new Thread(new CheckedRunnable() { + Thread t = new Thread(new CheckedRunnable() { public void realRun() throws InterruptedException { sync.acquire(1); threadAssertFalse(sync.hasWaiters(c)); @@ -664,9 +667,9 @@ public class AbstractQueuedSynchronizerT * getWaitQueueLength returns number of waiting threads */ public void testGetWaitQueueLength() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); - Thread t1 = new Thread(new CheckedRunnable() { + Thread t1 = new Thread(new CheckedRunnable() { public void realRun() throws InterruptedException { sync.acquire(1); threadAssertFalse(sync.hasWaiters(c)); @@ -675,7 +678,7 @@ public class AbstractQueuedSynchronizerT sync.release(1); }}); - Thread t2 = new Thread(new CheckedRunnable() { + Thread t2 = new Thread(new CheckedRunnable() { public void realRun() throws InterruptedException { sync.acquire(1); threadAssertTrue(sync.hasWaiters(c)); @@ -708,9 +711,9 @@ public class AbstractQueuedSynchronizerT * getWaitingThreads returns only and all waiting threads */ public void testGetWaitingThreads() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); - Thread t1 = new Thread(new CheckedRunnable() { + Thread t1 = new Thread(new CheckedRunnable() { public void realRun() throws InterruptedException { sync.acquire(1); threadAssertTrue(sync.getWaitingThreads(c).isEmpty()); @@ -718,7 +721,7 @@ public class AbstractQueuedSynchronizerT sync.release(1); }}); - Thread t2 = new Thread(new CheckedRunnable() { + Thread t2 = new Thread(new CheckedRunnable() { public void realRun() throws InterruptedException { sync.acquire(1); threadAssertFalse(sync.getWaitingThreads(c).isEmpty()); @@ -756,9 +759,9 @@ public class AbstractQueuedSynchronizerT * awaitUninterruptibly doesn't abort on interrupt */ public void testAwaitUninterruptibly() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); - Thread t = new Thread(new CheckedRunnable() { + Thread t = new Thread(new CheckedRunnable() { public void realRun() { sync.acquire(1); c.awaitUninterruptibly(); @@ -779,13 +782,12 @@ public class AbstractQueuedSynchronizerT * await is interruptible */ public void testAwait_Interrupt() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); - Thread t = new Thread(new CheckedInterruptedRunnable() { - public void realRun() throws InterruptedException { + Thread t = new Thread(new CheckedInterruptedRunnable() { + public void realRun() throws InterruptedException { sync.acquire(1); c.await(); - sync.release(1); }}); t.start(); @@ -799,13 +801,12 @@ public class AbstractQueuedSynchronizerT * awaitNanos is interruptible */ public void testAwaitNanos_Interrupt() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); - Thread t = new Thread(new CheckedInterruptedRunnable() { - public void realRun() throws InterruptedException { + Thread t = new Thread(new CheckedInterruptedRunnable() { + public void realRun() throws InterruptedException { sync.acquire(1); - c.awaitNanos(1000 * 1000 * 1000); // 1 sec - sync.release(1); + c.awaitNanos(LONG_DELAY_MS * 1000L * 1000L); }}); t.start(); @@ -819,14 +820,13 @@ public class AbstractQueuedSynchronizerT * awaitUntil is interruptible */ public void testAwaitUntil_Interrupt() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); - Thread t = new Thread(new CheckedInterruptedRunnable() { - public void realRun() throws InterruptedException { + Thread t = new Thread(new CheckedInterruptedRunnable() { + public void realRun() throws InterruptedException { sync.acquire(1); java.util.Date d = new java.util.Date(); c.awaitUntil(new java.util.Date(d.getTime() + 10000)); - sync.release(1); }}); t.start(); @@ -840,16 +840,16 @@ public class AbstractQueuedSynchronizerT * signalAll wakes up all threads */ public void testSignalAll() throws InterruptedException { - final Mutex sync = new Mutex(); + final Mutex sync = new Mutex(); final AbstractQueuedSynchronizer.ConditionObject c = sync.newCondition(); - Thread t1 = new Thread(new CheckedRunnable() { + Thread t1 = new Thread(new CheckedRunnable() { public void realRun() throws InterruptedException { sync.acquire(1); c.await(); sync.release(1); }}); - Thread t2 = new Thread(new CheckedRunnable() { + Thread t2 = new Thread(new CheckedRunnable() { public void realRun() throws InterruptedException { sync.acquire(1); c.await(); @@ -905,31 +905,31 @@ public class AbstractQueuedSynchronizerT * tryReleaseShared setting state changes getState */ public void testGetStateWithReleaseShared() { - final BooleanLatch l = new BooleanLatch(); - assertFalse(l.isSignalled()); - l.releaseShared(0); - assertTrue(l.isSignalled()); + final BooleanLatch l = new BooleanLatch(); + assertFalse(l.isSignalled()); + l.releaseShared(0); + assertTrue(l.isSignalled()); } /** * releaseShared has no effect when already signalled */ public void testReleaseShared() { - final BooleanLatch l = new BooleanLatch(); - assertFalse(l.isSignalled()); - l.releaseShared(0); - assertTrue(l.isSignalled()); - l.releaseShared(0); - assertTrue(l.isSignalled()); + final BooleanLatch l = new BooleanLatch(); + assertFalse(l.isSignalled()); + l.releaseShared(0); + assertTrue(l.isSignalled()); + l.releaseShared(0); + assertTrue(l.isSignalled()); } /** * acquireSharedInterruptibly returns after release, but not before */ public void testAcquireSharedInterruptibly() throws InterruptedException { - final BooleanLatch l = new BooleanLatch(); + final BooleanLatch l = new BooleanLatch(); - Thread t = new Thread(new CheckedRunnable() { + Thread t = new Thread(new CheckedRunnable() { public void realRun() throws InterruptedException { threadAssertFalse(l.isSignalled()); l.acquireSharedInterruptibly(0); @@ -949,12 +949,12 @@ public class AbstractQueuedSynchronizerT * acquireSharedTimed returns after release */ public void testAsquireSharedTimed() throws InterruptedException { - final BooleanLatch l = new BooleanLatch(); + final BooleanLatch l = new BooleanLatch(); - Thread t = new Thread(new CheckedRunnable() { + Thread t = new Thread(new CheckedRunnable() { public void realRun() throws InterruptedException { threadAssertFalse(l.isSignalled()); - threadAssertTrue(l.tryAcquireSharedNanos(0, MEDIUM_DELAY_MS* 1000 * 1000)); + threadAssertTrue(l.tryAcquireSharedNanos(0, MEDIUM_DELAY_MS * 1000L * 1000L)); threadAssertTrue(l.isSignalled()); }}); @@ -971,13 +971,13 @@ public class AbstractQueuedSynchronizerT */ public void testAcquireSharedInterruptibly_InterruptedException() throws InterruptedException { final BooleanLatch l = new BooleanLatch(); - Thread t = new Thread(new CheckedInterruptedRunnable() { - public void realRun() throws InterruptedException { + Thread t = new Thread(new CheckedInterruptedRunnable() { + public void realRun() throws InterruptedException { threadAssertFalse(l.isSignalled()); l.acquireSharedInterruptibly(0); }}); - t.start(); + t.start(); assertFalse(l.isSignalled()); t.interrupt(); t.join(); @@ -988,10 +988,10 @@ public class AbstractQueuedSynchronizerT */ public void testAcquireSharedNanos_InterruptedException() throws InterruptedException { final BooleanLatch l = new BooleanLatch(); - Thread t = new Thread(new CheckedInterruptedRunnable() { - public void realRun() throws InterruptedException { + Thread t = new Thread(new CheckedInterruptedRunnable() { + public void realRun() throws InterruptedException { threadAssertFalse(l.isSignalled()); - l.tryAcquireSharedNanos(0, SMALL_DELAY_MS* 1000 * 1000); + l.tryAcquireSharedNanos(0, SMALL_DELAY_MS * 1000L * 1000L); }}); t.start(); @@ -1006,10 +1006,10 @@ public class AbstractQueuedSynchronizerT */ public void testAcquireSharedNanos_Timeout() throws InterruptedException { final BooleanLatch l = new BooleanLatch(); - Thread t = new Thread(new CheckedRunnable() { + Thread t = new Thread(new CheckedRunnable() { public void realRun() throws InterruptedException { threadAssertFalse(l.isSignalled()); - threadAssertFalse(l.tryAcquireSharedNanos(0, SMALL_DELAY_MS* 1000 * 1000)); + threadAssertFalse(l.tryAcquireSharedNanos(0, SMALL_DELAY_MS * 1000L * 1000L)); }}); t.start();