abstract class sun.nio.ch.FileChannelImpl$Unmapper implements java.lang.Runnable, jdk.internal.access.foreign.UnmapperProxy
  minor version: 0
  major version: 59
  flags: flags: (0x0420) ACC_SUPER, ACC_ABSTRACT
  this_class: sun.nio.ch.FileChannelImpl$Unmapper
  super_class: java.lang.Object
{
  private static final sun.nio.ch.NativeDispatcher nd;
    descriptor: Lsun/nio/ch/NativeDispatcher;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private volatile long address;
    descriptor: J
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  protected final long size;
    descriptor: J
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL

  protected final long cap;
    descriptor: J
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL

  private final java.io.FileDescriptor fd;
    descriptor: Ljava/io/FileDescriptor;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final int pagePosition;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 867
            ldc Lsun/nio/ch/FileChannelImpl;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic sun.nio.ch.FileChannelImpl$Unmapper.$assertionsDisabled:Z
         3: .line 871
            new sun.nio.ch.FileDispatcherImpl
            dup
            invokespecial sun.nio.ch.FileDispatcherImpl.<init>:()V
            putstatic sun.nio.ch.FileChannelImpl$Unmapper.nd:Lsun/nio/ch/NativeDispatcher;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>(long, long, long, java.io.FileDescriptor, int);
    descriptor: (JJJLjava/io/FileDescriptor;I)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=9, args_size=6
        start local 0 // sun.nio.ch.FileChannelImpl$Unmapper this
        start local 1 // long address
        start local 3 // long size
        start local 5 // long cap
        start local 7 // java.io.FileDescriptor fd
        start local 8 // int pagePosition
         0: .line 879
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 882
            getstatic sun.nio.ch.FileChannelImpl$Unmapper.$assertionsDisabled:Z
            ifne 2
            lload 1 /* address */
            lconst_0
            lcmp
            ifne 2
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         2: .line 883
      StackMap locals: sun.nio.ch.FileChannelImpl$Unmapper long long long java.io.FileDescriptor int
      StackMap stack:
            aload 0 /* this */
            lload 1 /* address */
            putfield sun.nio.ch.FileChannelImpl$Unmapper.address:J
         3: .line 884
            aload 0 /* this */
            lload 3 /* size */
            putfield sun.nio.ch.FileChannelImpl$Unmapper.size:J
         4: .line 885
            aload 0 /* this */
            lload 5 /* cap */
            putfield sun.nio.ch.FileChannelImpl$Unmapper.cap:J
         5: .line 886
            aload 0 /* this */
            aload 7 /* fd */
            putfield sun.nio.ch.FileChannelImpl$Unmapper.fd:Ljava/io/FileDescriptor;
         6: .line 887
            aload 0 /* this */
            iload 8 /* pagePosition */
            putfield sun.nio.ch.FileChannelImpl$Unmapper.pagePosition:I
         7: .line 888
            return
        end local 8 // int pagePosition
        end local 7 // java.io.FileDescriptor fd
        end local 5 // long cap
        end local 3 // long size
        end local 1 // long address
        end local 0 // sun.nio.ch.FileChannelImpl$Unmapper this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    8     0          this  Lsun/nio/ch/FileChannelImpl$Unmapper;
            0    8     1       address  J
            0    8     3          size  J
            0    8     5           cap  J
            0    8     7            fd  Ljava/io/FileDescriptor;
            0    8     8  pagePosition  I
    MethodParameters:
              Name  Flags
      address       
      size          
      cap           
      fd            
      pagePosition  

  public long address();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // sun.nio.ch.FileChannelImpl$Unmapper this
         0: .line 892
            aload 0 /* this */
            getfield sun.nio.ch.FileChannelImpl$Unmapper.address:J
            lreturn
        end local 0 // sun.nio.ch.FileChannelImpl$Unmapper this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/nio/ch/FileChannelImpl$Unmapper;

  public java.io.FileDescriptor fileDescriptor();
    descriptor: ()Ljava/io/FileDescriptor;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.nio.ch.FileChannelImpl$Unmapper this
         0: .line 897
            aload 0 /* this */
            getfield sun.nio.ch.FileChannelImpl$Unmapper.fd:Ljava/io/FileDescriptor;
            areturn
        end local 0 // sun.nio.ch.FileChannelImpl$Unmapper this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/nio/ch/FileChannelImpl$Unmapper;

  public void run();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.nio.ch.FileChannelImpl$Unmapper this
         0: .line 902
            aload 0 /* this */
            invokevirtual sun.nio.ch.FileChannelImpl$Unmapper.unmap:()V
         1: .line 903
            return
        end local 0 // sun.nio.ch.FileChannelImpl$Unmapper this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lsun/nio/ch/FileChannelImpl$Unmapper;

  public void unmap();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // sun.nio.ch.FileChannelImpl$Unmapper this
         0: .line 906
            aload 0 /* this */
            getfield sun.nio.ch.FileChannelImpl$Unmapper.address:J
            lconst_0
            lcmp
            ifne 2
         1: .line 907
            return
         2: .line 908
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.FileChannelImpl$Unmapper.address:J
            aload 0 /* this */
            getfield sun.nio.ch.FileChannelImpl$Unmapper.size:J
            invokestatic sun.nio.ch.FileChannelImpl.unmap0:(JJ)I
            pop
         3: .line 909
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.FileChannelImpl$Unmapper.address:J
         4: .line 912
            aload 0 /* this */
            getfield sun.nio.ch.FileChannelImpl$Unmapper.fd:Ljava/io/FileDescriptor;
            invokevirtual java.io.FileDescriptor.valid:()Z
            ifeq 8
         5: .line 914
            getstatic sun.nio.ch.FileChannelImpl$Unmapper.nd:Lsun/nio/ch/NativeDispatcher;
            aload 0 /* this */
            getfield sun.nio.ch.FileChannelImpl$Unmapper.fd:Ljava/io/FileDescriptor;
            invokevirtual sun.nio.ch.NativeDispatcher.close:(Ljava/io/FileDescriptor;)V
         6: .line 915
            goto 8
      StackMap locals:
      StackMap stack: java.io.IOException
         7: pop
         8: .line 920
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual sun.nio.ch.FileChannelImpl$Unmapper.decrementStats:()V
         9: .line 921
            return
        end local 0 // sun.nio.ch.FileChannelImpl$Unmapper this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   10     0  this  Lsun/nio/ch/FileChannelImpl$Unmapper;
      Exception table:
        from    to  target  type
           5     6       7  Class java.io.IOException

  protected abstract void incrementStats();
    descriptor: ()V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT

  protected abstract void decrementStats();
    descriptor: ()V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
}
SourceFile: "FileChannelImpl.java"
NestHost: sun.nio.ch.FileChannelImpl
InnerClasses:
  private abstract Unmapper = sun.nio.ch.FileChannelImpl$Unmapper of sun.nio.ch.FileChannelImpl