src/java.base/windows/classes/sun/nio/fs/WindowsLinkSupport.java

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


  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.nio.fs;
  27 
  28 import java.nio.file.*;
  29 import java.io.IOException;
  30 import java.io.IOError;
  31 import java.security.AccessController;
  32 import java.security.PrivilegedAction;
  33 import sun.misc.Unsafe;
  34 
  35 import static sun.nio.fs.WindowsNativeDispatcher.*;
  36 import static sun.nio.fs.WindowsConstants.*;
  37 
  38 /**
  39  * Utility methods for symbolic link support on Windows Vista and newer.
  40  */
  41 
  42 class WindowsLinkSupport {
  43     private static final Unsafe unsafe = Unsafe.getUnsafe();
  44 
  45     private WindowsLinkSupport() {
  46     }
  47 
  48     /**
  49      * Returns the target of a symbolic link
  50      */
  51     static String readLink(WindowsPath path) throws IOException {
  52         long handle = 0L;
  53         try {




  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.nio.fs;
  27 
  28 import java.nio.file.*;
  29 import java.io.IOException;
  30 import java.io.IOError;
  31 import java.security.AccessController;
  32 import java.security.PrivilegedAction;
  33 import jdk.internal.misc.Unsafe;
  34 
  35 import static sun.nio.fs.WindowsNativeDispatcher.*;
  36 import static sun.nio.fs.WindowsConstants.*;
  37 
  38 /**
  39  * Utility methods for symbolic link support on Windows Vista and newer.
  40  */
  41 
  42 class WindowsLinkSupport {
  43     private static final Unsafe unsafe = Unsafe.getUnsafe();
  44 
  45     private WindowsLinkSupport() {
  46     }
  47 
  48     /**
  49      * Returns the target of a symbolic link
  50      */
  51     static String readLink(WindowsPath path) throws IOException {
  52         long handle = 0L;
  53         try {