RuntimeMemorySpy.java

/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.harmony.luni.platform;

import java.lang.ref.Reference;

final class RuntimeMemorySpy extends AbstractMemorySpy {

	public RuntimeMemorySpy() {
		super();
	}

	public void alloc(PlatformAddress address) {
		// Pay a tax on the allocation to see if there are any frees pending.
		Reference ref = notifyQueue.poll(); // non-blocking check
		while (ref != null) {
			orphanedMemory(ref);
			ref = notifyQueue.poll();
		}

        super.alloc(address);
	}
}