| 1780 |
|
|
| 1781 |
|
/** |
| 1782 |
|
* Blocks in accord with the given blocker. If the current thread |
| 1783 |
< |
* is a ForkJoinWorkerThread, this method possibly arranges for a |
| 1784 |
< |
* spare thread to be activated if necessary to ensure parallelism |
| 1785 |
< |
* while the current thread is blocked. If |
| 1786 |
< |
* {@code maintainParallelism} is {@code true} and the pool supports |
| 1787 |
< |
* it ({@link #getMaintainsParallelism}), this method attempts to |
| 1788 |
< |
* maintain the pool's nominal parallelism. Otherwise it activates |
| 1789 |
< |
* a thread only if necessary to avoid complete starvation. This |
| 1790 |
< |
* option may be preferable when blockages use timeouts, or are |
| 1791 |
< |
* almost always brief. |
| 1783 |
> |
* is a {@link ForkJoinWorkerThread}, this method possibly |
| 1784 |
> |
* arranges for a spare thread to be activated if necessary to |
| 1785 |
> |
* ensure parallelism while the current thread is blocked. |
| 1786 |
|
* |
| 1787 |
< |
* <p> If the caller is not a ForkJoinTask, this method is behaviorally |
| 1788 |
< |
* equivalent to |
| 1787 |
> |
* <p>If {@code maintainParallelism} is {@code true} and the pool |
| 1788 |
> |
* supports it ({@link #getMaintainsParallelism}), this method |
| 1789 |
> |
* attempts to maintain the pool's nominal parallelism. Otherwise |
| 1790 |
> |
* it activates a thread only if necessary to avoid complete |
| 1791 |
> |
* starvation. This option may be preferable when blockages use |
| 1792 |
> |
* timeouts, or are almost always brief. |
| 1793 |
> |
* |
| 1794 |
> |
* <p>If the caller is not a {@link ForkJoinTask}, this method is |
| 1795 |
> |
* behaviorally equivalent to |
| 1796 |
|
* <pre> {@code |
| 1797 |
|
* while (!blocker.isReleasable()) |
| 1798 |
|
* if (blocker.block()) |
| 1799 |
|
* return; |
| 1800 |
|
* }</pre> |
| 1801 |
< |
* If the caller is a ForkJoinTask, then the pool may first |
| 1802 |
< |
* be expanded to ensure parallelism, and later adjusted. |
| 1801 |
> |
* |
| 1802 |
> |
* If the caller is a {@code ForkJoinTask}, then the pool may |
| 1803 |
> |
* first be expanded to ensure parallelism, and later adjusted. |
| 1804 |
|
* |
| 1805 |
|
* @param blocker the blocker |
| 1806 |
|
* @param maintainParallelism if {@code true} and supported by |
