src/java.desktop/unix/classes/sun/awt/X11/WindowPropertyGetter.java

Print this page
rev 12972 : 8140606: Update library code to use internal Unsafe
Reviewed-by: duke


   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 package sun.awt.X11;
  27 
  28 import java.util.*;
  29 import sun.misc.Unsafe;
  30 
  31 public class WindowPropertyGetter {
  32     private static Unsafe unsafe = XlibWrapper.unsafe;
  33     private final long actual_type = unsafe.allocateMemory(8);
  34     private final long actual_format = unsafe.allocateMemory(4);
  35     private final long nitems_ptr = unsafe.allocateMemory(8);
  36     private final long bytes_after = unsafe.allocateMemory(8);
  37     private final long data = unsafe.allocateMemory(8);
  38     private final long window;
  39     private final XAtom property;
  40     private final long offset;
  41     private final long length;
  42     private final boolean auto_delete;
  43     private final long type;
  44     private boolean executed = false;
  45     public WindowPropertyGetter(long window, XAtom property, long offset,
  46                                 long length, boolean auto_delete, long type)
  47     {
  48         if (property.getAtom() == 0) {
  49             throw new IllegalArgumentException("Property ATOM should be initialized first:" + property);




   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 package sun.awt.X11;
  27 
  28 import java.util.*;
  29 import jdk.internal.misc.Unsafe;
  30 
  31 public class WindowPropertyGetter {
  32     private static Unsafe unsafe = XlibWrapper.unsafe;
  33     private final long actual_type = unsafe.allocateMemory(8);
  34     private final long actual_format = unsafe.allocateMemory(4);
  35     private final long nitems_ptr = unsafe.allocateMemory(8);
  36     private final long bytes_after = unsafe.allocateMemory(8);
  37     private final long data = unsafe.allocateMemory(8);
  38     private final long window;
  39     private final XAtom property;
  40     private final long offset;
  41     private final long length;
  42     private final boolean auto_delete;
  43     private final long type;
  44     private boolean executed = false;
  45     public WindowPropertyGetter(long window, XAtom property, long offset,
  46                                 long length, boolean auto_delete, long type)
  47     {
  48         if (property.getAtom() == 0) {
  49             throw new IllegalArgumentException("Property ATOM should be initialized first:" + property);