Showing the changes to java/pkg/sun/nio/ch/AllocatedNativeObject.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,66 @@ | |||
| 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 | */ | ||
| 52 | AllocatedNativeObject(int size, boolean pageAligned) { | ||
| 53 | super(size, pageAligned); | ||
| 54 | } | ||
| 55 | |||
| 56 | /** | ||
| 57 | * Frees the native memory area associated with this object. | ||
| 58 | */ | ||
| 59 | synchronized void free() { | ||
| 60 | if (allocationAddress != 0) { | ||
| 61 | unsafe.freeMemory(allocationAddress); | ||
| 62 | allocationAddress = 0; | ||
| 63 | } | ||
| 64 | } | ||
| 65 | |||
| 66 | } | ||