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src/java.base/share/classes/sun/nio/ch/FileChannelImpl.java

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rev 13549 : 8148117: Move sun.misc.Cleaner to jdk.internal.ref
Reviewed-by: alanb, rriggs


  30 import java.nio.ByteBuffer;
  31 import java.nio.MappedByteBuffer;
  32 import java.nio.channels.ClosedByInterruptException;
  33 import java.nio.channels.ClosedChannelException;
  34 import java.nio.channels.FileChannel;
  35 import java.nio.channels.FileLock;
  36 import java.nio.channels.FileLockInterruptionException;
  37 import java.nio.channels.NonReadableChannelException;
  38 import java.nio.channels.NonWritableChannelException;
  39 import java.nio.channels.OverlappingFileLockException;
  40 import java.nio.channels.ReadableByteChannel;
  41 import java.nio.channels.SelectableChannel;
  42 import java.nio.channels.WritableByteChannel;
  43 import java.security.AccessController;
  44 import java.util.ArrayList;
  45 import java.util.List;
  46 
  47 import jdk.internal.misc.JavaIOFileDescriptorAccess;
  48 import jdk.internal.misc.JavaNioAccess;
  49 import jdk.internal.misc.SharedSecrets;
  50 import sun.misc.Cleaner;
  51 import sun.security.action.GetPropertyAction;
  52 
  53 public class FileChannelImpl
  54     extends FileChannel
  55 {
  56     // Memory allocation size for mapping buffers
  57     private static final long allocationGranularity;
  58 
  59     // Access to FileDispatcher internals
  60     private static final JavaIOFileDescriptorAccess fdAccess =
  61         SharedSecrets.getJavaIOFileDescriptorAccess();
  62 
  63     // Used to make native read and write calls
  64     private final FileDispatcher nd;
  65 
  66     // File descriptor
  67     private final FileDescriptor fd;
  68 
  69     // File access mode (immutable)
  70     private final boolean writable;




  30 import java.nio.ByteBuffer;
  31 import java.nio.MappedByteBuffer;
  32 import java.nio.channels.ClosedByInterruptException;
  33 import java.nio.channels.ClosedChannelException;
  34 import java.nio.channels.FileChannel;
  35 import java.nio.channels.FileLock;
  36 import java.nio.channels.FileLockInterruptionException;
  37 import java.nio.channels.NonReadableChannelException;
  38 import java.nio.channels.NonWritableChannelException;
  39 import java.nio.channels.OverlappingFileLockException;
  40 import java.nio.channels.ReadableByteChannel;
  41 import java.nio.channels.SelectableChannel;
  42 import java.nio.channels.WritableByteChannel;
  43 import java.security.AccessController;
  44 import java.util.ArrayList;
  45 import java.util.List;
  46 
  47 import jdk.internal.misc.JavaIOFileDescriptorAccess;
  48 import jdk.internal.misc.JavaNioAccess;
  49 import jdk.internal.misc.SharedSecrets;
  50 import jdk.internal.ref.Cleaner;
  51 import sun.security.action.GetPropertyAction;
  52 
  53 public class FileChannelImpl
  54     extends FileChannel
  55 {
  56     // Memory allocation size for mapping buffers
  57     private static final long allocationGranularity;
  58 
  59     // Access to FileDispatcher internals
  60     private static final JavaIOFileDescriptorAccess fdAccess =
  61         SharedSecrets.getJavaIOFileDescriptorAccess();
  62 
  63     // Used to make native read and write calls
  64     private final FileDispatcher nd;
  65 
  66     // File descriptor
  67     private final FileDescriptor fd;
  68 
  69     // File access mode (immutable)
  70     private final boolean writable;


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