| 431 |
|
* (and/or links to other results) to combine. |
| 432 |
|
* |
| 433 |
|
* @param caller the task invoking this method (which may |
| 434 |
< |
* be this task itself). |
| 434 |
> |
* be this task itself) |
| 435 |
|
*/ |
| 436 |
|
public void onCompletion(CountedCompleter<?> caller) { |
| 437 |
|
} |
| 449 |
|
* |
| 450 |
|
* @param ex the exception |
| 451 |
|
* @param caller the task invoking this method (which may |
| 452 |
< |
* be this task itself). |
| 452 |
> |
* be this task itself) |
| 453 |
|
* @return true if this exception should be propagated to this |
| 454 |
< |
* task's completer, if one exists. |
| 454 |
> |
* task's completer, if one exists |
| 455 |
|
*/ |
| 456 |
|
public boolean onExceptionalCompletion(Throwable ex, CountedCompleter<?> caller) { |
| 457 |
|
return true; |
| 680 |
|
} |
| 681 |
|
|
| 682 |
|
/** |
| 683 |
< |
* Returns the result of the computation. By default |
| 683 |
> |
* Returns the result of the computation. By default, |
| 684 |
|
* returns {@code null}, which is appropriate for {@code Void} |
| 685 |
|
* actions, but in other cases should be overridden, almost |
| 686 |
|
* always to return a field or function of a field that |
| 704 |
|
private static final long PENDING; |
| 705 |
|
static { |
| 706 |
|
try { |
| 707 |
< |
U = sun.misc.Unsafe.getUnsafe(); |
| 707 |
> |
U = getUnsafe(); |
| 708 |
|
PENDING = U.objectFieldOffset |
| 709 |
|
(CountedCompleter.class.getDeclaredField("pending")); |
| 710 |
|
} catch (Exception e) { |
| 722 |
|
private static sun.misc.Unsafe getUnsafe() { |
| 723 |
|
try { |
| 724 |
|
return sun.misc.Unsafe.getUnsafe(); |
| 725 |
< |
} catch (SecurityException se) { |
| 726 |
< |
try { |
| 727 |
< |
return java.security.AccessController.doPrivileged |
| 728 |
< |
(new java.security |
| 729 |
< |
.PrivilegedExceptionAction<sun.misc.Unsafe>() { |
| 730 |
< |
public sun.misc.Unsafe run() throws Exception { |
| 731 |
< |
java.lang.reflect.Field f = sun.misc |
| 732 |
< |
.Unsafe.class.getDeclaredField("theUnsafe"); |
| 733 |
< |
f.setAccessible(true); |
| 734 |
< |
return (sun.misc.Unsafe) f.get(null); |
| 735 |
< |
}}); |
| 736 |
< |
} catch (java.security.PrivilegedActionException e) { |
| 737 |
< |
throw new RuntimeException("Could not initialize intrinsics", |
| 738 |
< |
e.getCause()); |
| 739 |
< |
} |
| 725 |
> |
} catch (SecurityException tryReflectionInstead) {} |
| 726 |
> |
try { |
| 727 |
> |
return java.security.AccessController.doPrivileged |
| 728 |
> |
(new java.security.PrivilegedExceptionAction<sun.misc.Unsafe>() { |
| 729 |
> |
public sun.misc.Unsafe run() throws Exception { |
| 730 |
> |
Class<sun.misc.Unsafe> k = sun.misc.Unsafe.class; |
| 731 |
> |
for (java.lang.reflect.Field f : k.getDeclaredFields()) { |
| 732 |
> |
f.setAccessible(true); |
| 733 |
> |
Object x = f.get(null); |
| 734 |
> |
if (k.isInstance(x)) |
| 735 |
> |
return k.cast(x); |
| 736 |
> |
} |
| 737 |
> |
throw new NoSuchFieldError("the Unsafe"); |
| 738 |
> |
}}); |
| 739 |
> |
} catch (java.security.PrivilegedActionException e) { |
| 740 |
> |
throw new RuntimeException("Could not initialize intrinsics", |
| 741 |
> |
e.getCause()); |
| 742 |
|
} |
| 743 |
|
} |
| 744 |
|
} |
