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

Comparing jsr166/src/main/java/util/concurrent/LinkedTransferQueue.java (file contents):
Revision 1.2 by jsr166, Sun Jul 26 07:04:29 2009 UTC vs.
Revision 1.3 by jsr166, Sun Jul 26 17:48:58 2009 UTC

#	Line 797 | Line 797 | public class LinkedTransferQueue<E> exte
797		new PaddedAtomicReference<Node<E>>(null));
798		}
799
800	–
800		// Unsafe mechanics
802	–	private static long fieldOffset(String fieldName, Class<?> klazz) {
803	–	try {
804	–	return UNSAFE.objectFieldOffset(klazz.getDeclaredField(fieldName));
805	–	} catch (NoSuchFieldException e) {
806	–	// Convert Exception to Error
807	–	NoSuchFieldError error = new NoSuchFieldError(fieldName);
808	–	error.initCause(e);
809	–	throw error;
810	–	}
811	–	}
801
802		private static final sun.misc.Unsafe UNSAFE = sun.misc.Unsafe.getUnsafe();
803		private static final long headOffset =
804	<	fieldOffset("head", LinkedTransferQueue.class);
804	>	objectFieldOffset("head", LinkedTransferQueue.class);
805		private static final long tailOffset =
806	<	fieldOffset("tail", LinkedTransferQueue.class);
806	>	objectFieldOffset("tail", LinkedTransferQueue.class);
807		private static final long cleanMeOffset =
808	<	fieldOffset("cleanMe", LinkedTransferQueue.class);
808	>	objectFieldOffset("cleanMe", LinkedTransferQueue.class);
809
810	+	private static long objectFieldOffset(String field, Class<?> klazz) {
811	+	try {
812	+	return UNSAFE.objectFieldOffset(klazz.getDeclaredField(field));
813	+	} catch (NoSuchFieldException e) {
814	+	// Convert Exception to corresponding Error
815	+	NoSuchFieldError error = new NoSuchFieldError(field);
816	+	error.initCause(e);
817	+	throw error;
818	+	}
819	+	}
820		}

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