src/java.base/macosx/classes/sun/nio/fs/DefaultFileSystemProvider.java

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

*** 23,43 ****
   * questions.
   */
  
  package sun.nio.fs;
  
! import java.nio.file.spi.FileSystemProvider;
  
  /**
!  * Creates this platform's default FileSystemProvider.
   */
  
  public class DefaultFileSystemProvider {
      private DefaultFileSystemProvider() { }
  
!     /**
!      * Returns the default FileSystemProvider.
!      */
!     public static FileSystemProvider create() {
!         return new MacOSXFileSystemProvider();
      }
  }
--- 23,45 ----
   * questions.
   */
  
  package sun.nio.fs;
  
! import javaimport java.nio.file.FileSystem;
  
  /**
!  * Creates this platform's system-default ("builtin") FileSystemProvider.
   */
  
  public class DefaultFileSystemProvider {
      private DefaultFileSystemProvider() { }
  
!     /** The unique instance of the system-default file system provider. */
!     public static final MacOSXFileSystemProvider FILE_SYSTEM_PROVIDER
!         = new MacOSXFileSystemProvider();
! 
!     /** Returns the unique instance of the system-default file system. */
!     public static FileSystem theFileSystem() {
!         return FILE_SYSTEM_PROVIDER.theFileSystem;
      }
  }