--- a/jdk/test/java/lang/management/ThreadMXBean/Semaphore.java	Wed Jul 05 20:31:05 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,74 +0,0 @@
-/*
- * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/*
- * @bug     4530538
- * @summary A semaphore utility class.
- * @author  Mandy Chung
- */
-
-public class Semaphore {
-    private Object go = new Object();
-    private int semaCount;
-    private int waiters = 0;
-
-    public Semaphore() {
-        semaCount = 0;
-    }
-
-    public Semaphore(int initialCount) {
-        semaCount = initialCount;
-    }
-
-    public void semaP() {
-        synchronized (go) {
-            waiters++;
-            while (semaCount == 0) {
-                try {
-                    go.wait();
-                } catch (InterruptedException e) {
-                    e.printStackTrace();
-                    throw new InternalError();
-                }
-            }
-            semaCount--;
-            waiters--;
-        }
-    }
-    public void semaV() {
-        synchronized (go) {
-            semaCount++;
-            go.notify();
-        }
-    }
-
-    public int getWaiterCount() {
-        synchronized (go) {
-            return waiters;
-        }
-    }
-
-    public Object getLock() {
-        return go;
-    }
-}