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root/jsr166/jsr166/src/main/java/util/concurrent/ForkJoinTask.java

Comparing jsr166/src/main/java/util/concurrent/ForkJoinTask.java (file contents):
Revision 1.112 by jsr166, Tue Jul 5 00:25:41 2016 UTC vs.
Revision 1.113 by jsr166, Tue Jul 5 00:58:48 2016 UTC

#	Line 373 | Line 373 | public abstract class ForkJoinTask<V> im
373		// Exception table support
374
375		/**
376	<	* Table of exceptions thrown by tasks, to enable reporting by
377	<	* callers. Because exceptions are rare, we don't directly keep
376	>	* Hash table of exceptions thrown by tasks, to enable reporting
377	>	* by callers. Because exceptions are rare, we don't directly keep
378		* them with task objects, but instead use a weak ref table.  Note
379		* that cancellation exceptions don't appear in the table, but are
380		* instead recorded as status values.
381		*
382	<	* Note: These statics are initialized below in static block.
382	>	* The exception table has a fixed capacity.
383		*/
384	<	private static final ExceptionNode[] exceptionTable;
385	<	private static final ReentrantLock exceptionTableLock;
386	<	private static final ReferenceQueue<ForkJoinTask<?>> exceptionTableRefQueue;
384	>	private static final ExceptionNode[] exceptionTable
385	>	= new ExceptionNode[32];
386
387	<	/**
388	<	* Fixed capacity for exceptionTable.
389	<	*/
390	<	private static final int EXCEPTION_MAP_CAPACITY = 32;
387	>	/** Lock protecting access to exceptionTable. */
388	>	private static final ReentrantLock exceptionTableLock
389	>	= new ReentrantLock();
390	>
391	>	/** Reference queue of stale exceptionally completed tasks. */
392	>	private static final ReferenceQueue<ForkJoinTask<?>> exceptionTableRefQueue
393	>	= new ReferenceQueue<ForkJoinTask<?>>();
394
395		/**
396		* Key-value nodes for exception table.  The chained hash table
#	Line 1485 | Line 1487 | public abstract class ForkJoinTask<V> im
1487		// VarHandle mechanics
1488		private static final VarHandle STATUS;
1489		static {
1488	–	exceptionTableLock = new ReentrantLock();
1489	–	exceptionTableRefQueue = new ReferenceQueue<ForkJoinTask<?>>();
1490	–	exceptionTable = new ExceptionNode[EXCEPTION_MAP_CAPACITY];
1490		try {
1491		MethodHandles.Lookup l = MethodHandles.lookup();
1492		STATUS = l.findVarHandle(ForkJoinTask.class, "status", int.class);

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