managedBlock

Runs the given possibly blocking task. When ForkJoinTask.inForkJoinPool, this method possibly arranges for a spare thread to be activated if necessary to ensure sufficient parallelism while the current thread is blocked in blocker.block().

This method repeatedly calls blocker.isReleasable() and blocker.block() until either method returns true. Every call to blocker.block() is preceded by a call to blocker.isReleasable() that returned false.

If not running in a ForkJoinPool, this method is behaviorally equivalent to

 `while (!blocker.isReleasable())
if (blocker.block())
break;`

If running in a ForkJoinPool, the pool may first be expanded to ensure sufficient parallelism available during the call to blocker.block().

Parameters

Throws