| 657 |
|
public static long MEDIUM_DELAY_MS; |
| 658 |
|
public static long LONG_DELAY_MS; |
| 659 |
|
|
| 660 |
+ |
/** |
| 661 |
+ |
* A delay significantly longer than LONG_DELAY_MS. |
| 662 |
+ |
* Use this in a thread that is waited for via awaitTermination(Thread). |
| 663 |
+ |
*/ |
| 664 |
+ |
public static long LONGER_DELAY_MS; |
| 665 |
+ |
|
| 666 |
|
private static final long RANDOM_TIMEOUT; |
| 667 |
|
private static final long RANDOM_EXPIRED_TIMEOUT; |
| 668 |
|
private static final TimeUnit RANDOM_TIMEUNIT; |
| 698 |
|
} |
| 699 |
|
|
| 700 |
|
/** |
| 701 |
+ |
* Returns a random element from given choices. |
| 702 |
+ |
*/ |
| 703 |
+ |
<T> T chooseRandomly(T... choices) { |
| 704 |
+ |
return choices[ThreadLocalRandom.current().nextInt(choices.length)]; |
| 705 |
+ |
} |
| 706 |
+ |
|
| 707 |
+ |
/** |
| 708 |
|
* Returns the shortest timed delay. This can be scaled up for |
| 709 |
|
* slow machines using the jsr166.delay.factor system property, |
| 710 |
|
* or via jtreg's -timeoutFactor: flag. |
| 722 |
|
SMALL_DELAY_MS = SHORT_DELAY_MS * 5; |
| 723 |
|
MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10; |
| 724 |
|
LONG_DELAY_MS = SHORT_DELAY_MS * 200; |
| 725 |
+ |
LONGER_DELAY_MS = 2 * LONG_DELAY_MS; |
| 726 |
|
} |
| 727 |
|
|
| 728 |
|
private static final long TIMEOUT_DELAY_MS |
| 761 |
|
*/ |
| 762 |
|
public void threadRecordFailure(Throwable t) { |
| 763 |
|
System.err.println(t); |
| 764 |
< |
dumpTestThreads(); |
| 765 |
< |
threadFailure.compareAndSet(null, t); |
| 764 |
> |
if (threadFailure.compareAndSet(null, t)) |
| 765 |
> |
dumpTestThreads(); |
| 766 |
|
} |
| 767 |
|
|
| 768 |
|
public void setUp() { |
| 1388 |
|
} |
| 1389 |
|
|
| 1390 |
|
/** |
| 1391 |
+ |
* Spin-waits up to LONG_DELAY_MS milliseconds for the current thread to |
| 1392 |
+ |
* be interrupted. Clears the interrupt status before returning. |
| 1393 |
+ |
*/ |
| 1394 |
+ |
void awaitInterrupted() { |
| 1395 |
+ |
for (long startTime = 0L; !Thread.interrupted(); ) { |
| 1396 |
+ |
if (startTime == 0L) |
| 1397 |
+ |
startTime = System.nanoTime(); |
| 1398 |
+ |
else if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
| 1399 |
+ |
fail("timed out waiting for thread interrupt"); |
| 1400 |
+ |
Thread.yield(); |
| 1401 |
+ |
} |
| 1402 |
+ |
} |
| 1403 |
+ |
|
| 1404 |
+ |
/** |
| 1405 |
|
* Returns the number of milliseconds since time given by |
| 1406 |
|
* startNanoTime, which must have been previously returned from a |
| 1407 |
|
* call to {@link System#nanoTime()}. |
| 1457 |
|
* to terminate (using {@link Thread#join(long)}), else interrupts |
| 1458 |
|
* the thread (in the hope that it may terminate later) and fails. |
| 1459 |
|
*/ |
| 1460 |
< |
void awaitTermination(Thread t, long timeoutMillis) { |
| 1460 |
> |
void awaitTermination(Thread thread, long timeoutMillis) { |
| 1461 |
|
try { |
| 1462 |
< |
t.join(timeoutMillis); |
| 1462 |
> |
thread.join(timeoutMillis); |
| 1463 |
|
} catch (InterruptedException fail) { |
| 1464 |
|
threadUnexpectedException(fail); |
| 1465 |
< |
} finally { |
| 1466 |
< |
if (t.getState() != Thread.State.TERMINATED) { |
| 1467 |
< |
t.interrupt(); |
| 1468 |
< |
threadFail("timed out waiting for thread to terminate"); |
| 1465 |
> |
} |
| 1466 |
> |
if (thread.getState() != Thread.State.TERMINATED) { |
| 1467 |
> |
String detail = String.format( |
| 1468 |
> |
"timed out waiting for thread to terminate, thread=%s, state=%s" , |
| 1469 |
> |
thread, thread.getState()); |
| 1470 |
> |
try { |
| 1471 |
> |
threadFail(detail); |
| 1472 |
> |
} finally { |
| 1473 |
> |
// Interrupt thread __after__ having reported its stack trace |
| 1474 |
> |
thread.interrupt(); |
| 1475 |
|
} |
| 1476 |
|
} |
| 1477 |
|
} |
