jdk/src/share/classes/com/sun/java/util/jar/pack/NativeUnpack.java

rev 5675 : 7186946: Refine unpacker resource usage
Reviewed-by: jrose, jjh, mschoene

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2012, 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.  Oracle designates this

@@ -102,10 +102,14 @@
     static private Object currentInstance() {
         UnpackerImpl p200 = (UnpackerImpl) Utils.getTLGlobals();
         return (p200 == null)? null: p200._nunp;
     }
 
+    private synchronized long getUnpackerPtr() {
+        return unpackerPtr;
+    }
+
     // Callback from the unpacker engine to get more data.
     private long readInputFn(ByteBuffer pbuf, long minlen) throws IOException {
         if (in == null)  return 0;  // nothing is readable
         long maxlen = pbuf.capacity() - pbuf.position();
         assert(minlen <= maxlen);  // don't talk nonsense