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 package jdk.internal.misc;
  27 


  28 public interface JavaLangRefAccess {
  29 
  30     /**
  31      * Help ReferenceHandler thread process next pending
  32      * {@link java.lang.ref.Reference}








  33      *
  34      * @return {@code true} if there was a pending reference and it
  35      *         was enqueue-ed or {@code false} if there was no
  36      *         pending reference
  37      */
  38     boolean tryHandlePendingReference();
  39 }

   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 package jdk.internal.misc;
  27 
  28 import java.lang.ref.Cleaner;
  29 
  30 public interface JavaLangRefAccess {
  31 
  32     /**
  33      * Blocks until all Reference(s) that were pending at the time this method
  34      * was called have been enqueued.
  35      *
  36      * @throws InterruptedException if the thread is interrupted while waiting.
  37      */
  38     void awaitPendingReferencesEnqueued() throws InterruptedException;
  39 
  40     /**
  41      * Processes next Cleanable that has been waiting in the queue maintained
  42      * by given {@code cleaner}.
  43      *
  44      * @return {@code true} if a Cleanable was found in the queue and
  45      * was processed or {@code false} if the queue was empty.

  46      */
  47     boolean cleanNextEnqueuedCleanable(Cleaner cleaner);
  48 }