1 /* 2 * Copyright (c) 2000, 2001, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /* 27 */ 28 29 package sun.nio.ch; // Formerly in sun.misc 30 31 32 // ## In the fullness of time, this class will be eliminated 33 34 class AllocatedNativeObject // package-private 35 extends NativeObject 36 { 37 38 /** 39 * Allocates a memory area of at least <tt>size</tt> bytes outside of the 40 * Java heap and creates a native object for that area. 41 * 42 * @param size 43 * Number of bytes to allocate 44 * 45 * @param pageAligned 46 * If <tt>true</tt> then the area will be aligned on a hardware 47 * page boundary 48 * 49 * @throws OutOfMemoryError 50 * If the request cannot be satisfied 51 */ AllocatedNativeObject(int size, boolean pageAligned)52 AllocatedNativeObject(int size, boolean pageAligned) { 53 super(size, pageAligned); 54 } 55 56 /** 57 * Frees the native memory area associated with this object. 58 */ free()59 synchronized void free() { 60 if (allocationAddress != 0) { 61 unsafe.freeMemory(allocationAddress); 62 allocationAddress = 0; 63 } 64 } 65 66 } 67