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 ****
  /*
!  * Copyright (c) 2008, 2013, 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
--- 1,7 ----
  /*
!  * 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
*** 40,60 ****
  
  import static sun.nio.fs.WindowsNativeDispatcher.*;
  import static sun.nio.fs.WindowsSecurity.*;
  import static sun.nio.fs.WindowsConstants.*;
  
! public class WindowsFileSystemProvider
      extends AbstractFileSystemProvider
  {
      private static final Unsafe unsafe = Unsafe.getUnsafe();
  
      private final WindowsFileSystem theFileSystem;
  
      public WindowsFileSystemProvider() {
          theFileSystem = new WindowsFileSystem(this, StaticProperty.userDir());
      }
  
      @Override
      public String getScheme() {
          return "file";
      }
  
--- 40,64 ----
  
  import static sun.nio.fs.WindowsNativeDispatcher.*;
  import static sun.nio.fs.WindowsSecurity.*;
  import static sun.nio.fs.WindowsConstants.*;
  
! 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";
      }