public class io.netty.channel.unix.FileDescriptor
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.netty.channel.unix.FileDescriptor
  super_class: java.lang.Object
{
  private static final java.nio.channels.ClosedChannelException WRITE_CLOSED_CHANNEL_EXCEPTION;
    descriptor: Ljava/nio/channels/ClosedChannelException;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.nio.channels.ClosedChannelException WRITE_ADDRESS_CLOSED_CHANNEL_EXCEPTION;
    descriptor: Ljava/nio/channels/ClosedChannelException;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.nio.channels.ClosedChannelException WRITEV_CLOSED_CHANNEL_EXCEPTION;
    descriptor: Ljava/nio/channels/ClosedChannelException;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.nio.channels.ClosedChannelException WRITEV_ADDRESSES_CLOSED_CHANNEL_EXCEPTION;
    descriptor: Ljava/nio/channels/ClosedChannelException;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.nio.channels.ClosedChannelException READ_CLOSED_CHANNEL_EXCEPTION;
    descriptor: Ljava/nio/channels/ClosedChannelException;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.nio.channels.ClosedChannelException READ_ADDRESS_CLOSED_CHANNEL_EXCEPTION;
    descriptor: Ljava/nio/channels/ClosedChannelException;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final io.netty.channel.unix.Errors$NativeIoException WRITE_CONNECTION_RESET_EXCEPTION;
    descriptor: Lio/netty/channel/unix/Errors$NativeIoException;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final io.netty.channel.unix.Errors$NativeIoException WRITE_ADDRESS_CONNECTION_RESET_EXCEPTION;
    descriptor: Lio/netty/channel/unix/Errors$NativeIoException;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final io.netty.channel.unix.Errors$NativeIoException WRITEV_CONNECTION_RESET_EXCEPTION;
    descriptor: Lio/netty/channel/unix/Errors$NativeIoException;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final io.netty.channel.unix.Errors$NativeIoException WRITEV_ADDRESSES_CONNECTION_RESET_EXCEPTION;
    descriptor: Lio/netty/channel/unix/Errors$NativeIoException;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final io.netty.channel.unix.Errors$NativeIoException READ_CONNECTION_RESET_EXCEPTION;
    descriptor: Lio/netty/channel/unix/Errors$NativeIoException;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final io.netty.channel.unix.Errors$NativeIoException READ_ADDRESS_CONNECTION_RESET_EXCEPTION;
    descriptor: Lio/netty/channel/unix/Errors$NativeIoException;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.util.concurrent.atomic.AtomicIntegerFieldUpdater<io.netty.channel.unix.FileDescriptor> stateUpdater;
    descriptor: Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater<Lio/netty/channel/unix/FileDescriptor;>;

  private static final int STATE_CLOSED_MASK;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 1

  private static final int STATE_INPUT_SHUTDOWN_MASK;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 2

  private static final int STATE_OUTPUT_SHUTDOWN_MASK;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 4

  private static final int STATE_ALL_MASK;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 7

  volatile int state;
    descriptor: I
    flags: (0x0040) ACC_VOLATILE

  final int fd;
    descriptor: I
    flags: (0x0010) ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 38
            new java.nio.channels.ClosedChannelException
            dup
            invokespecial java.nio.channels.ClosedChannelException.<init>:()V
            ldc Lio/netty/channel/unix/FileDescriptor;
            ldc "write(..)"
         1: .line 37
            invokestatic io.netty.util.internal.ThrowableUtil.unknownStackTrace:(Ljava/lang/Throwable;Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Throwable;
            checkcast java.nio.channels.ClosedChannelException
            putstatic io.netty.channel.unix.FileDescriptor.WRITE_CLOSED_CHANNEL_EXCEPTION:Ljava/nio/channels/ClosedChannelException;
         2: .line 40
            new java.nio.channels.ClosedChannelException
            dup
            invokespecial java.nio.channels.ClosedChannelException.<init>:()V
            ldc Lio/netty/channel/unix/FileDescriptor;
            ldc "writeAddress(..)"
            invokestatic io.netty.util.internal.ThrowableUtil.unknownStackTrace:(Ljava/lang/Throwable;Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Throwable;
            checkcast java.nio.channels.ClosedChannelException
         3: .line 39
            putstatic io.netty.channel.unix.FileDescriptor.WRITE_ADDRESS_CLOSED_CHANNEL_EXCEPTION:Ljava/nio/channels/ClosedChannelException;
         4: .line 42
            new java.nio.channels.ClosedChannelException
            dup
            invokespecial java.nio.channels.ClosedChannelException.<init>:()V
            ldc Lio/netty/channel/unix/FileDescriptor;
            ldc "writev(..)"
         5: .line 41
            invokestatic io.netty.util.internal.ThrowableUtil.unknownStackTrace:(Ljava/lang/Throwable;Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Throwable;
            checkcast java.nio.channels.ClosedChannelException
            putstatic io.netty.channel.unix.FileDescriptor.WRITEV_CLOSED_CHANNEL_EXCEPTION:Ljava/nio/channels/ClosedChannelException;
         6: .line 44
            new java.nio.channels.ClosedChannelException
            dup
            invokespecial java.nio.channels.ClosedChannelException.<init>:()V
            ldc Lio/netty/channel/unix/FileDescriptor;
            ldc "writevAddresses(..)"
            invokestatic io.netty.util.internal.ThrowableUtil.unknownStackTrace:(Ljava/lang/Throwable;Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Throwable;
            checkcast java.nio.channels.ClosedChannelException
         7: .line 43
            putstatic io.netty.channel.unix.FileDescriptor.WRITEV_ADDRESSES_CLOSED_CHANNEL_EXCEPTION:Ljava/nio/channels/ClosedChannelException;
         8: .line 46
            new java.nio.channels.ClosedChannelException
            dup
            invokespecial java.nio.channels.ClosedChannelException.<init>:()V
            ldc Lio/netty/channel/unix/FileDescriptor;
            ldc "read(..)"
         9: .line 45
            invokestatic io.netty.util.internal.ThrowableUtil.unknownStackTrace:(Ljava/lang/Throwable;Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Throwable;
            checkcast java.nio.channels.ClosedChannelException
            putstatic io.netty.channel.unix.FileDescriptor.READ_CLOSED_CHANNEL_EXCEPTION:Ljava/nio/channels/ClosedChannelException;
        10: .line 48
            new java.nio.channels.ClosedChannelException
            dup
            invokespecial java.nio.channels.ClosedChannelException.<init>:()V
            ldc Lio/netty/channel/unix/FileDescriptor;
            ldc "readAddress(..)"
        11: .line 47
            invokestatic io.netty.util.internal.ThrowableUtil.unknownStackTrace:(Ljava/lang/Throwable;Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Throwable;
            checkcast java.nio.channels.ClosedChannelException
            putstatic io.netty.channel.unix.FileDescriptor.READ_ADDRESS_CLOSED_CHANNEL_EXCEPTION:Ljava/nio/channels/ClosedChannelException;
        12: .line 50
            ldc "syscall:write"
            getstatic io.netty.channel.unix.Errors.ERRNO_EPIPE_NEGATIVE:I
            invokestatic io.netty.channel.unix.Errors.newConnectionResetException:(Ljava/lang/String;I)Lio/netty/channel/unix/Errors$NativeIoException;
        13: .line 51
            ldc Lio/netty/channel/unix/FileDescriptor;
            ldc "write(..)"
        14: .line 49
            invokestatic io.netty.util.internal.ThrowableUtil.unknownStackTrace:(Ljava/lang/Throwable;Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Throwable;
            checkcast io.netty.channel.unix.Errors$NativeIoException
            putstatic io.netty.channel.unix.FileDescriptor.WRITE_CONNECTION_RESET_EXCEPTION:Lio/netty/channel/unix/Errors$NativeIoException;
        15: .line 53
            ldc "syscall:write"
        16: .line 54
            getstatic io.netty.channel.unix.Errors.ERRNO_EPIPE_NEGATIVE:I
        17: .line 53
            invokestatic io.netty.channel.unix.Errors.newConnectionResetException:(Ljava/lang/String;I)Lio/netty/channel/unix/Errors$NativeIoException;
        18: .line 54
            ldc Lio/netty/channel/unix/FileDescriptor;
            ldc "writeAddress(..)"
        19: .line 53
            invokestatic io.netty.util.internal.ThrowableUtil.unknownStackTrace:(Ljava/lang/Throwable;Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Throwable;
            checkcast io.netty.channel.unix.Errors$NativeIoException
        20: .line 52
            putstatic io.netty.channel.unix.FileDescriptor.WRITE_ADDRESS_CONNECTION_RESET_EXCEPTION:Lio/netty/channel/unix/Errors$NativeIoException;
        21: .line 56
            ldc "syscall:writev"
            getstatic io.netty.channel.unix.Errors.ERRNO_EPIPE_NEGATIVE:I
            invokestatic io.netty.channel.unix.Errors.newConnectionResetException:(Ljava/lang/String;I)Lio/netty/channel/unix/Errors$NativeIoException;
        22: .line 57
            ldc Lio/netty/channel/unix/FileDescriptor;
            ldc "writev(..)"
        23: .line 55
            invokestatic io.netty.util.internal.ThrowableUtil.unknownStackTrace:(Ljava/lang/Throwable;Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Throwable;
            checkcast io.netty.channel.unix.Errors$NativeIoException
            putstatic io.netty.channel.unix.FileDescriptor.WRITEV_CONNECTION_RESET_EXCEPTION:Lio/netty/channel/unix/Errors$NativeIoException;
        24: .line 59
            ldc "syscall:writev"
        25: .line 60
            getstatic io.netty.channel.unix.Errors.ERRNO_EPIPE_NEGATIVE:I
        26: .line 59
            invokestatic io.netty.channel.unix.Errors.newConnectionResetException:(Ljava/lang/String;I)Lio/netty/channel/unix/Errors$NativeIoException;
        27: .line 60
            ldc Lio/netty/channel/unix/FileDescriptor;
            ldc "writeAddresses(..)"
        28: .line 59
            invokestatic io.netty.util.internal.ThrowableUtil.unknownStackTrace:(Ljava/lang/Throwable;Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Throwable;
            checkcast io.netty.channel.unix.Errors$NativeIoException
        29: .line 58
            putstatic io.netty.channel.unix.FileDescriptor.WRITEV_ADDRESSES_CONNECTION_RESET_EXCEPTION:Lio/netty/channel/unix/Errors$NativeIoException;
        30: .line 62
            ldc "syscall:read"
            getstatic io.netty.channel.unix.Errors.ERRNO_ECONNRESET_NEGATIVE:I
            invokestatic io.netty.channel.unix.Errors.newConnectionResetException:(Ljava/lang/String;I)Lio/netty/channel/unix/Errors$NativeIoException;
        31: .line 63
            ldc Lio/netty/channel/unix/FileDescriptor;
            ldc "read(..)"
        32: .line 61
            invokestatic io.netty.util.internal.ThrowableUtil.unknownStackTrace:(Ljava/lang/Throwable;Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Throwable;
            checkcast io.netty.channel.unix.Errors$NativeIoException
            putstatic io.netty.channel.unix.FileDescriptor.READ_CONNECTION_RESET_EXCEPTION:Lio/netty/channel/unix/Errors$NativeIoException;
        33: .line 65
            ldc "syscall:read"
        34: .line 66
            getstatic io.netty.channel.unix.Errors.ERRNO_ECONNRESET_NEGATIVE:I
        35: .line 65
            invokestatic io.netty.channel.unix.Errors.newConnectionResetException:(Ljava/lang/String;I)Lio/netty/channel/unix/Errors$NativeIoException;
        36: .line 66
            ldc Lio/netty/channel/unix/FileDescriptor;
            ldc "readAddress(..)"
        37: .line 65
            invokestatic io.netty.util.internal.ThrowableUtil.unknownStackTrace:(Ljava/lang/Throwable;Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Throwable;
            checkcast io.netty.channel.unix.Errors$NativeIoException
        38: .line 64
            putstatic io.netty.channel.unix.FileDescriptor.READ_ADDRESS_CONNECTION_RESET_EXCEPTION:Lio/netty/channel/unix/Errors$NativeIoException;
        39: .line 69
            ldc Lio/netty/channel/unix/FileDescriptor;
            ldc "state"
            invokestatic java.util.concurrent.atomic.AtomicIntegerFieldUpdater.newUpdater:(Ljava/lang/Class;Ljava/lang/String;)Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
        40: .line 68
            putstatic io.netty.channel.unix.FileDescriptor.stateUpdater:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
        41: .line 76
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // io.netty.channel.unix.FileDescriptor this
        start local 1 // int fd
         0: .line 84
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 85
            iload 1 /* fd */
            ifge 3
         2: .line 86
            new java.lang.IllegalArgumentException
            dup
            ldc "fd must be >= 0"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 88
      StackMap locals: io.netty.channel.unix.FileDescriptor int
      StackMap stack:
            aload 0 /* this */
            iload 1 /* fd */
            putfield io.netty.channel.unix.FileDescriptor.fd:I
         4: .line 89
            return
        end local 1 // int fd
        end local 0 // io.netty.channel.unix.FileDescriptor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lio/netty/channel/unix/FileDescriptor;
            0    5     1    fd  I
    MethodParameters:
      Name  Flags
      fd    

  public final int intValue();
    descriptor: ()I
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.channel.unix.FileDescriptor this
         0: .line 95
            aload 0 /* this */
            getfield io.netty.channel.unix.FileDescriptor.fd:I
            ireturn
        end local 0 // io.netty.channel.unix.FileDescriptor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/channel/unix/FileDescriptor;

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // io.netty.channel.unix.FileDescriptor this
         0: .line 103
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield io.netty.channel.unix.FileDescriptor.state:I
            istore 1 /* state */
        start local 1 // int state
         1: .line 104
            iload 1 /* state */
            invokestatic io.netty.channel.unix.FileDescriptor.isClosed:(I)Z
            ifeq 3
         2: .line 105
            return
         3: .line 108
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            iload 1 /* state */
            iload 1 /* state */
            bipush 7
            ior
            invokevirtual io.netty.channel.unix.FileDescriptor.casState:(II)Z
            ifeq 0
        end local 1 // int state
         4: .line 112
            aload 0 /* this */
            getfield io.netty.channel.unix.FileDescriptor.fd:I
            invokestatic io.netty.channel.unix.FileDescriptor.close:(I)I
            istore 1 /* res */
        start local 1 // int res
         5: .line 113
            iload 1 /* res */
            ifge 7
         6: .line 114
            ldc "close"
            iload 1 /* res */
            invokestatic io.netty.channel.unix.Errors.newIOException:(Ljava/lang/String;I)Lio/netty/channel/unix/Errors$NativeIoException;
            athrow
         7: .line 116
      StackMap locals:
      StackMap stack:
            return
        end local 1 // int res
        end local 0 // io.netty.channel.unix.FileDescriptor this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    8     0   this  Lio/netty/channel/unix/FileDescriptor;
            1    4     1  state  I
            5    8     1    res  I
    Exceptions:
      throws java.io.IOException

  public boolean isOpen();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.channel.unix.FileDescriptor this
         0: .line 122
            aload 0 /* this */
            getfield io.netty.channel.unix.FileDescriptor.state:I
            invokestatic io.netty.channel.unix.FileDescriptor.isClosed:(I)Z
            ifeq 1
            iconst_0
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_1
      StackMap locals:
      StackMap stack: int
         2: ireturn
        end local 0 // io.netty.channel.unix.FileDescriptor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lio/netty/channel/unix/FileDescriptor;

  public final int write(java.nio.ByteBuffer, int, int);
    descriptor: (Ljava/nio/ByteBuffer;II)I
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=5, args_size=4
        start local 0 // io.netty.channel.unix.FileDescriptor this
        start local 1 // java.nio.ByteBuffer buf
        start local 2 // int pos
        start local 3 // int limit
         0: .line 126
            aload 0 /* this */
            getfield io.netty.channel.unix.FileDescriptor.fd:I
            aload 1 /* buf */
            iload 2 /* pos */
            iload 3 /* limit */
            invokestatic io.netty.channel.unix.FileDescriptor.write:(ILjava/nio/ByteBuffer;II)I
            istore 4 /* res */
        start local 4 // int res
         1: .line 127
            iload 4 /* res */
            iflt 3
         2: .line 128
            iload 4 /* res */
            ireturn
         3: .line 130
      StackMap locals: int
      StackMap stack:
            ldc "write"
            iload 4 /* res */
            getstatic io.netty.channel.unix.FileDescriptor.WRITE_CONNECTION_RESET_EXCEPTION:Lio/netty/channel/unix/Errors$NativeIoException;
            getstatic io.netty.channel.unix.FileDescriptor.WRITE_CLOSED_CHANNEL_EXCEPTION:Ljava/nio/channels/ClosedChannelException;
            invokestatic io.netty.channel.unix.Errors.ioResult:(Ljava/lang/String;ILio/netty/channel/unix/Errors$NativeIoException;Ljava/nio/channels/ClosedChannelException;)I
            ireturn
        end local 4 // int res
        end local 3 // int limit
        end local 2 // int pos
        end local 1 // java.nio.ByteBuffer buf
        end local 0 // io.netty.channel.unix.FileDescriptor this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0   this  Lio/netty/channel/unix/FileDescriptor;
            0    4     1    buf  Ljava/nio/ByteBuffer;
            0    4     2    pos  I
            0    4     3  limit  I
            1    4     4    res  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      buf    
      pos    
      limit  

  public final int writeAddress(long, int, int);
    descriptor: (JII)I
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=5, locals=6, args_size=4
        start local 0 // io.netty.channel.unix.FileDescriptor this
        start local 1 // long address
        start local 3 // int pos
        start local 4 // int limit
         0: .line 134
            aload 0 /* this */
            getfield io.netty.channel.unix.FileDescriptor.fd:I
            lload 1 /* address */
            iload 3 /* pos */
            iload 4 /* limit */
            invokestatic io.netty.channel.unix.FileDescriptor.writeAddress:(IJII)I
            istore 5 /* res */
        start local 5 // int res
         1: .line 135
            iload 5 /* res */
            iflt 3
         2: .line 136
            iload 5 /* res */
            ireturn
         3: .line 138
      StackMap locals: int
      StackMap stack:
            ldc "writeAddress"
            iload 5 /* res */
         4: .line 139
            getstatic io.netty.channel.unix.FileDescriptor.WRITE_ADDRESS_CONNECTION_RESET_EXCEPTION:Lio/netty/channel/unix/Errors$NativeIoException;
            getstatic io.netty.channel.unix.FileDescriptor.WRITE_ADDRESS_CLOSED_CHANNEL_EXCEPTION:Ljava/nio/channels/ClosedChannelException;
         5: .line 138
            invokestatic io.netty.channel.unix.Errors.ioResult:(Ljava/lang/String;ILio/netty/channel/unix/Errors$NativeIoException;Ljava/nio/channels/ClosedChannelException;)I
            ireturn
        end local 5 // int res
        end local 4 // int limit
        end local 3 // int pos
        end local 1 // long address
        end local 0 // io.netty.channel.unix.FileDescriptor this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    6     0     this  Lio/netty/channel/unix/FileDescriptor;
            0    6     1  address  J
            0    6     3      pos  I
            0    6     4    limit  I
            1    6     5      res  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
         Name  Flags
      address  
      pos      
      limit    

  public final long writev(java.nio.ByteBuffer[], int, int, long);
    descriptor: ([Ljava/nio/ByteBuffer;IIJ)J
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=6, locals=8, args_size=5
        start local 0 // io.netty.channel.unix.FileDescriptor this
        start local 1 // java.nio.ByteBuffer[] buffers
        start local 2 // int offset
        start local 3 // int length
        start local 4 // long maxBytesToWrite
         0: .line 143
            aload 0 /* this */
            getfield io.netty.channel.unix.FileDescriptor.fd:I
            aload 1 /* buffers */
            iload 2 /* offset */
            getstatic io.netty.channel.unix.Limits.IOV_MAX:I
            iload 3 /* length */
            invokestatic java.lang.Math.min:(II)I
            lload 4 /* maxBytesToWrite */
            invokestatic io.netty.channel.unix.FileDescriptor.writev:(I[Ljava/nio/ByteBuffer;IIJ)J
            lstore 6 /* res */
        start local 6 // long res
         1: .line 144
            lload 6 /* res */
            lconst_0
            lcmp
            iflt 3
         2: .line 145
            lload 6 /* res */
            lreturn
         3: .line 147
      StackMap locals: long
      StackMap stack:
            ldc "writev"
            lload 6 /* res */
            l2i
            getstatic io.netty.channel.unix.FileDescriptor.WRITEV_CONNECTION_RESET_EXCEPTION:Lio/netty/channel/unix/Errors$NativeIoException;
            getstatic io.netty.channel.unix.FileDescriptor.WRITEV_CLOSED_CHANNEL_EXCEPTION:Ljava/nio/channels/ClosedChannelException;
            invokestatic io.netty.channel.unix.Errors.ioResult:(Ljava/lang/String;ILio/netty/channel/unix/Errors$NativeIoException;Ljava/nio/channels/ClosedChannelException;)I
            i2l
            lreturn
        end local 6 // long res
        end local 4 // long maxBytesToWrite
        end local 3 // int length
        end local 2 // int offset
        end local 1 // java.nio.ByteBuffer[] buffers
        end local 0 // io.netty.channel.unix.FileDescriptor this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    4     0             this  Lio/netty/channel/unix/FileDescriptor;
            0    4     1          buffers  [Ljava/nio/ByteBuffer;
            0    4     2           offset  I
            0    4     3           length  I
            0    4     4  maxBytesToWrite  J
            1    4     6              res  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
                 Name  Flags
      buffers          
      offset           
      length           
      maxBytesToWrite  

  public final long writevAddresses(long, int);
    descriptor: (JI)J
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=6, args_size=3
        start local 0 // io.netty.channel.unix.FileDescriptor this
        start local 1 // long memoryAddress
        start local 3 // int length
         0: .line 151
            aload 0 /* this */
            getfield io.netty.channel.unix.FileDescriptor.fd:I
            lload 1 /* memoryAddress */
            iload 3 /* length */
            invokestatic io.netty.channel.unix.FileDescriptor.writevAddresses:(IJI)J
            lstore 4 /* res */
        start local 4 // long res
         1: .line 152
            lload 4 /* res */
            lconst_0
            lcmp
            iflt 3
         2: .line 153
            lload 4 /* res */
            lreturn
         3: .line 155
      StackMap locals: long
      StackMap stack:
            ldc "writevAddresses"
            lload 4 /* res */
            l2i
         4: .line 156
            getstatic io.netty.channel.unix.FileDescriptor.WRITEV_ADDRESSES_CONNECTION_RESET_EXCEPTION:Lio/netty/channel/unix/Errors$NativeIoException;
            getstatic io.netty.channel.unix.FileDescriptor.WRITEV_ADDRESSES_CLOSED_CHANNEL_EXCEPTION:Ljava/nio/channels/ClosedChannelException;
         5: .line 155
            invokestatic io.netty.channel.unix.Errors.ioResult:(Ljava/lang/String;ILio/netty/channel/unix/Errors$NativeIoException;Ljava/nio/channels/ClosedChannelException;)I
            i2l
            lreturn
        end local 4 // long res
        end local 3 // int length
        end local 1 // long memoryAddress
        end local 0 // io.netty.channel.unix.FileDescriptor this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    6     0           this  Lio/netty/channel/unix/FileDescriptor;
            0    6     1  memoryAddress  J
            0    6     3         length  I
            1    6     4            res  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
               Name  Flags
      memoryAddress  
      length         

  public final int read(java.nio.ByteBuffer, int, int);
    descriptor: (Ljava/nio/ByteBuffer;II)I
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=5, args_size=4
        start local 0 // io.netty.channel.unix.FileDescriptor this
        start local 1 // java.nio.ByteBuffer buf
        start local 2 // int pos
        start local 3 // int limit
         0: .line 160
            aload 0 /* this */
            getfield io.netty.channel.unix.FileDescriptor.fd:I
            aload 1 /* buf */
            iload 2 /* pos */
            iload 3 /* limit */
            invokestatic io.netty.channel.unix.FileDescriptor.read:(ILjava/nio/ByteBuffer;II)I
            istore 4 /* res */
        start local 4 // int res
         1: .line 161
            iload 4 /* res */
            ifle 3
         2: .line 162
            iload 4 /* res */
            ireturn
         3: .line 164
      StackMap locals: int
      StackMap stack:
            iload 4 /* res */
            ifne 5
         4: .line 165
            iconst_m1
            ireturn
         5: .line 167
      StackMap locals:
      StackMap stack:
            ldc "read"
            iload 4 /* res */
            getstatic io.netty.channel.unix.FileDescriptor.READ_CONNECTION_RESET_EXCEPTION:Lio/netty/channel/unix/Errors$NativeIoException;
            getstatic io.netty.channel.unix.FileDescriptor.READ_CLOSED_CHANNEL_EXCEPTION:Ljava/nio/channels/ClosedChannelException;
            invokestatic io.netty.channel.unix.Errors.ioResult:(Ljava/lang/String;ILio/netty/channel/unix/Errors$NativeIoException;Ljava/nio/channels/ClosedChannelException;)I
            ireturn
        end local 4 // int res
        end local 3 // int limit
        end local 2 // int pos
        end local 1 // java.nio.ByteBuffer buf
        end local 0 // io.netty.channel.unix.FileDescriptor this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    6     0   this  Lio/netty/channel/unix/FileDescriptor;
            0    6     1    buf  Ljava/nio/ByteBuffer;
            0    6     2    pos  I
            0    6     3  limit  I
            1    6     4    res  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      buf    
      pos    
      limit  

  public final int readAddress(long, int, int);
    descriptor: (JII)I
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=5, locals=6, args_size=4
        start local 0 // io.netty.channel.unix.FileDescriptor this
        start local 1 // long address
        start local 3 // int pos
        start local 4 // int limit
         0: .line 171
            aload 0 /* this */
            getfield io.netty.channel.unix.FileDescriptor.fd:I
            lload 1 /* address */
            iload 3 /* pos */
            iload 4 /* limit */
            invokestatic io.netty.channel.unix.FileDescriptor.readAddress:(IJII)I
            istore 5 /* res */
        start local 5 // int res
         1: .line 172
            iload 5 /* res */
            ifle 3
         2: .line 173
            iload 5 /* res */
            ireturn
         3: .line 175
      StackMap locals: int
      StackMap stack:
            iload 5 /* res */
            ifne 5
         4: .line 176
            iconst_m1
            ireturn
         5: .line 178
      StackMap locals:
      StackMap stack:
            ldc "readAddress"
            iload 5 /* res */
         6: .line 179
            getstatic io.netty.channel.unix.FileDescriptor.READ_ADDRESS_CONNECTION_RESET_EXCEPTION:Lio/netty/channel/unix/Errors$NativeIoException;
            getstatic io.netty.channel.unix.FileDescriptor.READ_ADDRESS_CLOSED_CHANNEL_EXCEPTION:Ljava/nio/channels/ClosedChannelException;
         7: .line 178
            invokestatic io.netty.channel.unix.Errors.ioResult:(Ljava/lang/String;ILio/netty/channel/unix/Errors$NativeIoException;Ljava/nio/channels/ClosedChannelException;)I
            ireturn
        end local 5 // int res
        end local 4 // int limit
        end local 3 // int pos
        end local 1 // long address
        end local 0 // io.netty.channel.unix.FileDescriptor this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    8     0     this  Lio/netty/channel/unix/FileDescriptor;
            0    8     1  address  J
            0    8     3      pos  I
            0    8     4    limit  I
            1    8     5      res  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
         Name  Flags
      address  
      pos      
      limit    

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // io.netty.channel.unix.FileDescriptor this
         0: .line 184
            new java.lang.StringBuilder
            dup
            ldc "FileDescriptor{fd="
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
         1: .line 185
            aload 0 /* this */
            getfield io.netty.channel.unix.FileDescriptor.fd:I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
         2: .line 186
            bipush 125
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
         3: .line 184
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 0 // io.netty.channel.unix.FileDescriptor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lio/netty/channel/unix/FileDescriptor;

  public boolean equals(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.channel.unix.FileDescriptor this
        start local 1 // java.lang.Object o
         0: .line 191
            aload 0 /* this */
            aload 1 /* o */
            if_acmpne 2
         1: .line 192
            iconst_1
            ireturn
         2: .line 194
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            instanceof io.netty.channel.unix.FileDescriptor
            ifne 4
         3: .line 195
            iconst_0
            ireturn
         4: .line 198
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield io.netty.channel.unix.FileDescriptor.fd:I
            aload 1 /* o */
            checkcast io.netty.channel.unix.FileDescriptor
            getfield io.netty.channel.unix.FileDescriptor.fd:I
            if_icmpne 5
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         5: iconst_0
            ireturn
        end local 1 // java.lang.Object o
        end local 0 // io.netty.channel.unix.FileDescriptor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lio/netty/channel/unix/FileDescriptor;
            0    6     1     o  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      o     

  public int hashCode();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.channel.unix.FileDescriptor this
         0: .line 203
            aload 0 /* this */
            getfield io.netty.channel.unix.FileDescriptor.fd:I
            ireturn
        end local 0 // io.netty.channel.unix.FileDescriptor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/channel/unix/FileDescriptor;

  public static io.netty.channel.unix.FileDescriptor from(java.lang.String);
    descriptor: (Ljava/lang/String;)Lio/netty/channel/unix/FileDescriptor;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // java.lang.String path
         0: .line 210
            aload 0 /* path */
            ldc "path"
            invokestatic io.netty.util.internal.ObjectUtil.checkNotNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            pop
         1: .line 211
            aload 0 /* path */
            invokestatic io.netty.channel.unix.FileDescriptor.open:(Ljava/lang/String;)I
            istore 1 /* res */
        start local 1 // int res
         2: .line 212
            iload 1 /* res */
            ifge 4
         3: .line 213
            ldc "open"
            iload 1 /* res */
            invokestatic io.netty.channel.unix.Errors.newIOException:(Ljava/lang/String;I)Lio/netty/channel/unix/Errors$NativeIoException;
            athrow
         4: .line 215
      StackMap locals: int
      StackMap stack:
            new io.netty.channel.unix.FileDescriptor
            dup
            iload 1 /* res */
            invokespecial io.netty.channel.unix.FileDescriptor.<init>:(I)V
            areturn
        end local 1 // int res
        end local 0 // java.lang.String path
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  path  Ljava/lang/String;
            2    5     1   res  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      path  

  public static io.netty.channel.unix.FileDescriptor from(java.io.File);
    descriptor: (Ljava/io/File;)Lio/netty/channel/unix/FileDescriptor;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.io.File file
         0: .line 222
            aload 0 /* file */
            ldc "file"
            invokestatic io.netty.util.internal.ObjectUtil.checkNotNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            checkcast java.io.File
            invokevirtual java.io.File.getPath:()Ljava/lang/String;
            invokestatic io.netty.channel.unix.FileDescriptor.from:(Ljava/lang/String;)Lio/netty/channel/unix/FileDescriptor;
            areturn
        end local 0 // java.io.File file
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  file  Ljava/io/File;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      file  

  public static io.netty.channel.unix.FileDescriptor[] pipe();
    descriptor: ()[Lio/netty/channel/unix/FileDescriptor;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=8, locals=2, args_size=0
         0: .line 229
            invokestatic io.netty.channel.unix.FileDescriptor.newPipe:()J
            lstore 0 /* res */
        start local 0 // long res
         1: .line 230
            lload 0 /* res */
            lconst_0
            lcmp
            ifge 3
         2: .line 231
            ldc "newPipe"
            lload 0 /* res */
            l2i
            invokestatic io.netty.channel.unix.Errors.newIOException:(Ljava/lang/String;I)Lio/netty/channel/unix/Errors$NativeIoException;
            athrow
         3: .line 233
      StackMap locals: long
      StackMap stack:
            iconst_2
            anewarray io.netty.channel.unix.FileDescriptor
            dup
            iconst_0
            new io.netty.channel.unix.FileDescriptor
            dup
            lload 0 /* res */
            bipush 32
            lushr
            l2i
            invokespecial io.netty.channel.unix.FileDescriptor.<init>:(I)V
            aastore
            dup
            iconst_1
            new io.netty.channel.unix.FileDescriptor
            dup
            lload 0 /* res */
            l2i
            invokespecial io.netty.channel.unix.FileDescriptor.<init>:(I)V
            aastore
            areturn
        end local 0 // long res
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            1    4     0   res  J
    Exceptions:
      throws java.io.IOException

  final boolean casState(int, int);
    descriptor: (II)Z
    flags: (0x0010) ACC_FINAL
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // io.netty.channel.unix.FileDescriptor this
        start local 1 // int expected
        start local 2 // int update
         0: .line 237
            getstatic io.netty.channel.unix.FileDescriptor.stateUpdater:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
            aload 0 /* this */
            iload 1 /* expected */
            iload 2 /* update */
            invokevirtual java.util.concurrent.atomic.AtomicIntegerFieldUpdater.compareAndSet:(Ljava/lang/Object;II)Z
            ireturn
        end local 2 // int update
        end local 1 // int expected
        end local 0 // io.netty.channel.unix.FileDescriptor this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    1     0      this  Lio/netty/channel/unix/FileDescriptor;
            0    1     1  expected  I
            0    1     2    update  I
    MethodParameters:
          Name  Flags
      expected  
      update    

  static boolean isClosed(int);
    descriptor: (I)Z
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // int state
         0: .line 241
            iload 0 /* state */
            iconst_1
            iand
            ifeq 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // int state
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0  state  I
    MethodParameters:
       Name  Flags
      state  

  static boolean isInputShutdown(int);
    descriptor: (I)Z
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // int state
         0: .line 245
            iload 0 /* state */
            iconst_2
            iand
            ifeq 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // int state
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0  state  I
    MethodParameters:
       Name  Flags
      state  

  static boolean isOutputShutdown(int);
    descriptor: (I)Z
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // int state
         0: .line 249
            iload 0 /* state */
            iconst_4
            iand
            ifeq 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // int state
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0  state  I
    MethodParameters:
       Name  Flags
      state  

  static int inputShutdown(int);
    descriptor: (I)I
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // int state
         0: .line 253
            iload 0 /* state */
            iconst_2
            ior
            ireturn
        end local 0 // int state
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0  state  I
    MethodParameters:
       Name  Flags
      state  

  static int outputShutdown(int);
    descriptor: (I)I
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // int state
         0: .line 257
            iload 0 /* state */
            iconst_4
            ior
            ireturn
        end local 0 // int state
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0  state  I
    MethodParameters:
       Name  Flags
      state  

  private static native int open(java.lang.String);
    descriptor: (Ljava/lang/String;)I
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    MethodParameters:
      Name  Flags
      path  

  private static native int close(int);
    descriptor: (I)I
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    MethodParameters:
      Name  Flags
      fd    

  private static native int write(int, java.nio.ByteBuffer, int, int);
    descriptor: (ILjava/nio/ByteBuffer;II)I
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    MethodParameters:
       Name  Flags
      fd     
      buf    
      pos    
      limit  

  private static native int writeAddress(int, long, int, int);
    descriptor: (IJII)I
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    MethodParameters:
         Name  Flags
      fd       
      address  
      pos      
      limit    

  private static native long writev(int, java.nio.ByteBuffer[], int, int, long);
    descriptor: (I[Ljava/nio/ByteBuffer;IIJ)J
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    MethodParameters:
                 Name  Flags
      fd               
      buffers          
      offset           
      length           
      maxBytesToWrite  

  private static native long writevAddresses(int, long, int);
    descriptor: (IJI)J
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    MethodParameters:
               Name  Flags
      fd             
      memoryAddress  
      length         

  private static native int read(int, java.nio.ByteBuffer, int, int);
    descriptor: (ILjava/nio/ByteBuffer;II)I
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    MethodParameters:
       Name  Flags
      fd     
      buf    
      pos    
      limit  

  private static native int readAddress(int, long, int, int);
    descriptor: (IJII)I
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    MethodParameters:
         Name  Flags
      fd       
      address  
      pos      
      limit    

  private static native long newPipe();
    descriptor: ()J
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
}
SourceFile: "FileDescriptor.java"
InnerClasses:
  public final NativeIoException = io.netty.channel.unix.Errors$NativeIoException of io.netty.channel.unix.Errors