| 55 |
|
* minimize other blocking synchronization apart from joining other |
| 56 |
|
* tasks or using synchronizers such as Phasers that are advertised to |
| 57 |
|
* cooperate with fork/join scheduling. Subdividable tasks should also |
| 58 |
< |
* not perform blocking IO, and should ideally access variables that |
| 58 |
> |
* not perform blocking I/O, and should ideally access variables that |
| 59 |
|
* are completely independent of those accessed by other running |
| 60 |
|
* tasks. These guidelines are loosely enforced by not permitting |
| 61 |
|
* checked exceptions such as {@code IOExceptions} to be |
| 73 |
|
* <p>It is possible to define and use ForkJoinTasks that may block, |
| 74 |
|
* but doing do requires three further considerations: (1) Completion |
| 75 |
|
* of few if any <em>other</em> tasks should be dependent on a task |
| 76 |
< |
* that blocks on external synchronization or IO. Event-style async |
| 76 |
> |
* that blocks on external synchronization or I/O. Event-style async |
| 77 |
|
* tasks that are never joined (for example, those subclassing {@link |
| 78 |
|
* CountedCompleter}) often fall into this category. (2) To minimize |
| 79 |
|
* resource impact, tasks should be small; ideally performing only the |
| 435 |
|
} |
| 436 |
|
|
| 437 |
|
/** |
| 438 |
< |
* Records exception and possibly propagates |
| 438 |
> |
* Records exception and possibly propagates. |
| 439 |
|
* |
| 440 |
|
* @return status on exit |
| 441 |
|
*/ |
| 606 |
|
throw (Error)ex; |
| 607 |
|
if (ex instanceof RuntimeException) |
| 608 |
|
throw (RuntimeException)ex; |
| 609 |
< |
throw uncheckedThrowable(ex, RuntimeException.class); |
| 609 |
> |
ForkJoinTask.<RuntimeException>uncheckedThrow(ex); |
| 610 |
|
} |
| 611 |
|
} |
| 612 |
|
|
| 616 |
|
* unchecked exceptions |
| 617 |
|
*/ |
| 618 |
|
@SuppressWarnings("unchecked") static <T extends Throwable> |
| 619 |
< |
T uncheckedThrowable(final Throwable t, final Class<T> c) { |
| 620 |
< |
return (T)t; // rely on vacuous cast |
| 619 |
> |
void uncheckedThrow(Throwable t) throws T { |
| 620 |
> |
if (t != null) |
| 621 |
> |
throw (T)t; // rely on vacuous cast |
| 622 |
|
} |
| 623 |
|
|
| 624 |
|
/** |
| 653 |
|
if ((t = Thread.currentThread()) instanceof ForkJoinWorkerThread) |
| 654 |
|
((ForkJoinWorkerThread)t).workQueue.push(this); |
| 655 |
|
else |
| 656 |
< |
ForkJoinPool.commonPool.externalPush(this); |
| 656 |
> |
ForkJoinPool.common.externalPush(this); |
| 657 |
|
return this; |
| 658 |
|
} |
| 659 |
|
|
| 979 |
|
if (Thread.interrupted()) |
| 980 |
|
throw new InterruptedException(); |
| 981 |
|
// Messy in part because we measure in nanosecs, but wait in millisecs |
| 982 |
< |
int s; long ns, ms; |
| 983 |
< |
if ((s = status) >= 0 && (ns = unit.toNanos(timeout)) > 0L) { |
| 982 |
> |
int s; long ms; |
| 983 |
> |
long ns = unit.toNanos(timeout); |
| 984 |
> |
if ((s = status) >= 0 && ns > 0L) { |
| 985 |
|
long deadline = System.nanoTime() + ns; |
| 986 |
|
ForkJoinPool p = null; |
| 987 |
|
ForkJoinPool.WorkQueue w = null; |
| 1077 |
|
wt.pool.helpQuiescePool(wt.workQueue); |
| 1078 |
|
} |
| 1079 |
|
else |
| 1080 |
< |
ForkJoinPool.externalHelpQuiescePool(); |
| 1080 |
> |
ForkJoinPool.quiesceCommonPool(); |
| 1081 |
|
} |
| 1082 |
|
|
| 1083 |
|
/** |
| 1502 |
|
} |
| 1503 |
|
} |
| 1504 |
|
} |
| 1505 |
+ |
|
| 1506 |
|
} |
