1 /*
   2  * Copyright (c) 2005, 2013, 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 package sun.awt.X11;
  26 
  27 import sun.misc.Unsafe;
  28 import sun.util.logging.PlatformLogger;
  29 
  30 class UnsafeXDisposerRecord implements sun.java2d.DisposerRecord {
  31     private static final PlatformLogger log = PlatformLogger.getLogger("sun.awt.X11.UnsafeXDisposerRecord");
  32     private static Unsafe unsafe = XlibWrapper.unsafe;
  33     final long[] unsafe_ptrs, x_ptrs;
  34     final String name;
  35     volatile boolean disposed;
  36     final Throwable place;
  37     public UnsafeXDisposerRecord(String name, long[] unsafe_ptrs, long[] x_ptrs) {
  38         this.unsafe_ptrs = unsafe_ptrs;
  39         this.x_ptrs = x_ptrs;
  40         this.name = name;
  41         if (XlibWrapper.isBuildInternal) {
  42             place = new Throwable();
  43         } else {
  44             place = null;
  45         }
  46     }
  47     public UnsafeXDisposerRecord(String name, long ... unsafe_ptrs) {
  48         this.unsafe_ptrs = unsafe_ptrs;
  49         this.x_ptrs = null;
  50         this.name = name;
  51         if (XlibWrapper.isBuildInternal) {
  52             place = new Throwable();
  53         } else {
  54             place = null;
  55         }
  56     }
  57 
  58     public void dispose() {
  59         XToolkit.awtLock();
  60         try {
  61             if (!disposed) {
  62                 if (XlibWrapper.isBuildInternal && "Java2D Disposer".equals(Thread.currentThread().getName()) && log.isLoggable(PlatformLogger.Level.WARNING)) {
  63                     if (place != null) {
  64                         log.warning(name + " object was not disposed before finalization!", place);
  65                     } else {
  66                         log.warning(name + " object was not disposed before finalization!");
  67                     }
  68                 }
  69 
  70                 if (unsafe_ptrs != null) {
  71                     for (long l : unsafe_ptrs) {
  72                         if (l != 0) {
  73                             unsafe.freeMemory(l);
  74                         }
  75                     }
  76                 }
  77                 if (x_ptrs != null) {
  78                     for (long l : x_ptrs) {
  79                         if (l != 0) {
  80                             if (Native.getLong(l) != 0) {
  81                                 XlibWrapper.XFree(Native.getLong(l));
  82                             }
  83                             unsafe.freeMemory(l);
  84                         }
  85                     }
  86                 }
  87                 disposed = true;
  88             }
  89         } finally {
  90             XToolkit.awtUnlock();
  91         }
  92     }
  93 }