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

8213406: (fs) More than one instance of built-in FileSystem observed in heap
Reviewed-by: alanb, cushon, weijun

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2018, 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

@@ -40,21 +40,25 @@
 
 import static sun.nio.fs.WindowsNativeDispatcher.*;
 import static sun.nio.fs.WindowsSecurity.*;
 import static sun.nio.fs.WindowsConstants.*;
 
-public class WindowsFileSystemProvider
+class WindowsFileSystemProvider
     extends AbstractFileSystemProvider
 {
     private static final Unsafe unsafe = Unsafe.getUnsafe();
 
     private final WindowsFileSystem theFileSystem;
 
     public WindowsFileSystemProvider() {
         theFileSystem = new WindowsFileSystem(this, StaticProperty.userDir());
     }
 
+    WindowsFileSystem theFileSystem() {
+        return theFileSystem;
+    }
+
     @Override
     public String getScheme() {
         return "file";
     }