class sun.nio.ch.DatagramChannelImpl extends java.nio.channels.DatagramChannel implements sun.nio.ch.SelChImpl
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: sun.nio.ch.DatagramChannelImpl
  super_class: java.nio.channels.DatagramChannel
{
  private static sun.nio.ch.NativeDispatcher nd;
    descriptor: Lsun/nio/ch/NativeDispatcher;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  java.io.FileDescriptor fd;
    descriptor: Ljava/io/FileDescriptor;
    flags: (0x0000) 

  int fdVal;
    descriptor: I
    flags: (0x0000) 

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

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

  private java.net.InetAddress cachedSenderInetAddress;
    descriptor: Ljava/net/InetAddress;
    flags: (0x0002) ACC_PRIVATE

  private int cachedSenderPort;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  private final java.lang.Object readLock;
    descriptor: Ljava/lang/Object;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.lang.Object writeLock;
    descriptor: Ljava/lang/Object;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.lang.Object stateLock;
    descriptor: Ljava/lang/Object;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

  private static int ST_UNCONNECTED;
    descriptor: I
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  private static int ST_CONNECTED;
    descriptor: I
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

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

  private int state;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  private java.net.InetSocketAddress localAddress;
    descriptor: Ljava/net/InetSocketAddress;
    flags: (0x0002) ACC_PRIVATE

  java.net.InetSocketAddress remoteAddress;
    descriptor: Ljava/net/InetSocketAddress;
    flags: (0x0000) 

  private sun.nio.ch.SocketOpts$IP options;
    descriptor: Lsun/nio/ch/SocketOpts$IP;
    flags: (0x0002) ACC_PRIVATE

  private java.net.DatagramSocket socket;
    descriptor: Ljava/net/DatagramSocket;
    flags: (0x0002) ACC_PRIVATE

  private java.net.SocketAddress sender;
    descriptor: Ljava/net/SocketAddress;
    flags: (0x0002) ACC_PRIVATE

  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 42
            ldc Lsun/nio/ch/DatagramChannelImpl;
            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.DatagramChannelImpl.$assertionsDisabled:Z
         3: .line 48
            new sun.nio.ch.DatagramDispatcher
            dup
            invokespecial sun.nio.ch.DatagramDispatcher.<init>:()V
            putstatic sun.nio.ch.DatagramChannelImpl.nd:Lsun/nio/ch/NativeDispatcher;
         4: .line 80
            iconst_0
            putstatic sun.nio.ch.DatagramChannelImpl.ST_UNCONNECTED:I
         5: .line 81
            iconst_1
            putstatic sun.nio.ch.DatagramChannelImpl.ST_CONNECTED:I
         6: .line 736
            invokestatic sun.nio.ch.IOUtil.load:()V
         7: .line 737
            invokestatic sun.nio.ch.DatagramChannelImpl.initIDs:()V
         8: .line 738
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(java.nio.channels.spi.SelectorProvider);
    descriptor: (Ljava/nio/channels/spi/SelectorProvider;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // java.nio.channels.spi.SelectorProvider sp
         0: .line 101
            aload 0 /* this */
            aload 1 /* sp */
            invokespecial java.nio.channels.DatagramChannel.<init>:(Ljava/nio/channels/spi/SelectorProvider;)V
         1: .line 51
            aload 0 /* this */
            aconst_null
            putfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
         2: .line 58
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.readerThread:J
         3: .line 59
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.writerThread:J
         4: .line 63
            aload 0 /* this */
            aconst_null
            putfield sun.nio.ch.DatagramChannelImpl.cachedSenderInetAddress:Ljava/net/InetAddress;
         5: .line 64
            aload 0 /* this */
            iconst_0
            putfield sun.nio.ch.DatagramChannelImpl.cachedSenderPort:I
         6: .line 67
            aload 0 /* this */
            new java.lang.Object
            dup
            invokespecial java.lang.Object.<init>:()V
            putfield sun.nio.ch.DatagramChannelImpl.readLock:Ljava/lang/Object;
         7: .line 70
            aload 0 /* this */
            new java.lang.Object
            dup
            invokespecial java.lang.Object.<init>:()V
            putfield sun.nio.ch.DatagramChannelImpl.writeLock:Ljava/lang/Object;
         8: .line 74
            aload 0 /* this */
            new java.lang.Object
            dup
            invokespecial java.lang.Object.<init>:()V
            putfield sun.nio.ch.DatagramChannelImpl.stateLock:Ljava/lang/Object;
         9: .line 83
            aload 0 /* this */
            iconst_m1
            putfield sun.nio.ch.DatagramChannelImpl.state:I
        10: .line 86
            aload 0 /* this */
            aconst_null
            putfield sun.nio.ch.DatagramChannelImpl.localAddress:Ljava/net/InetSocketAddress;
        11: .line 87
            aload 0 /* this */
            aconst_null
            putfield sun.nio.ch.DatagramChannelImpl.remoteAddress:Ljava/net/InetSocketAddress;
        12: .line 90
            aload 0 /* this */
            aconst_null
            putfield sun.nio.ch.DatagramChannelImpl.options:Lsun/nio/ch/SocketOpts$IP;
        13: .line 93
            aload 0 /* this */
            aconst_null
            putfield sun.nio.ch.DatagramChannelImpl.socket:Ljava/net/DatagramSocket;
        14: .line 102
            invokestatic sun.net.ResourceManager.beforeUdpCreate:()V
        15: .line 104
            aload 0 /* this */
            iconst_0
            invokestatic sun.nio.ch.Net.socket:(Z)Ljava/io/FileDescriptor;
            putfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
        16: .line 105
            aload 0 /* this */
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
            invokestatic sun.nio.ch.IOUtil.fdVal:(Ljava/io/FileDescriptor;)I
            putfield sun.nio.ch.DatagramChannelImpl.fdVal:I
        17: .line 106
            aload 0 /* this */
            getstatic sun.nio.ch.DatagramChannelImpl.ST_UNCONNECTED:I
            putfield sun.nio.ch.DatagramChannelImpl.state:I
        18: .line 107
            goto 22
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.channels.spi.SelectorProvider
      StackMap stack: java.io.IOException
        19: astore 2 /* ioe */
        start local 2 // java.io.IOException ioe
        20: .line 108
            invokestatic sun.net.ResourceManager.afterUdpClose:()V
        21: .line 109
            aload 2 /* ioe */
            athrow
        end local 2 // java.io.IOException ioe
        22: .line 111
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.nio.channels.spi.SelectorProvider sp
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   23     0  this  Lsun/nio/ch/DatagramChannelImpl;
            0   23     1    sp  Ljava/nio/channels/spi/SelectorProvider;
           20   22     2   ioe  Ljava/io/IOException;
      Exception table:
        from    to  target  type
          15    18      19  Class java.io.IOException
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      sp    

  public void <init>(java.nio.channels.spi.SelectorProvider, java.io.FileDescriptor);
    descriptor: (Ljava/nio/channels/spi/SelectorProvider;Ljava/io/FileDescriptor;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // java.nio.channels.spi.SelectorProvider sp
        start local 2 // java.io.FileDescriptor fd
         0: .line 116
            aload 0 /* this */
            aload 1 /* sp */
            invokespecial java.nio.channels.DatagramChannel.<init>:(Ljava/nio/channels/spi/SelectorProvider;)V
         1: .line 51
            aload 0 /* this */
            aconst_null
            putfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
         2: .line 58
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.readerThread:J
         3: .line 59
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.writerThread:J
         4: .line 63
            aload 0 /* this */
            aconst_null
            putfield sun.nio.ch.DatagramChannelImpl.cachedSenderInetAddress:Ljava/net/InetAddress;
         5: .line 64
            aload 0 /* this */
            iconst_0
            putfield sun.nio.ch.DatagramChannelImpl.cachedSenderPort:I
         6: .line 67
            aload 0 /* this */
            new java.lang.Object
            dup
            invokespecial java.lang.Object.<init>:()V
            putfield sun.nio.ch.DatagramChannelImpl.readLock:Ljava/lang/Object;
         7: .line 70
            aload 0 /* this */
            new java.lang.Object
            dup
            invokespecial java.lang.Object.<init>:()V
            putfield sun.nio.ch.DatagramChannelImpl.writeLock:Ljava/lang/Object;
         8: .line 74
            aload 0 /* this */
            new java.lang.Object
            dup
            invokespecial java.lang.Object.<init>:()V
            putfield sun.nio.ch.DatagramChannelImpl.stateLock:Ljava/lang/Object;
         9: .line 83
            aload 0 /* this */
            iconst_m1
            putfield sun.nio.ch.DatagramChannelImpl.state:I
        10: .line 86
            aload 0 /* this */
            aconst_null
            putfield sun.nio.ch.DatagramChannelImpl.localAddress:Ljava/net/InetSocketAddress;
        11: .line 87
            aload 0 /* this */
            aconst_null
            putfield sun.nio.ch.DatagramChannelImpl.remoteAddress:Ljava/net/InetSocketAddress;
        12: .line 90
            aload 0 /* this */
            aconst_null
            putfield sun.nio.ch.DatagramChannelImpl.options:Lsun/nio/ch/SocketOpts$IP;
        13: .line 93
            aload 0 /* this */
            aconst_null
            putfield sun.nio.ch.DatagramChannelImpl.socket:Ljava/net/DatagramSocket;
        14: .line 117
            aload 0 /* this */
            aload 2 /* fd */
            putfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
        15: .line 118
            aload 0 /* this */
            aload 2 /* fd */
            invokestatic sun.nio.ch.IOUtil.fdVal:(Ljava/io/FileDescriptor;)I
            putfield sun.nio.ch.DatagramChannelImpl.fdVal:I
        16: .line 119
            aload 0 /* this */
            getstatic sun.nio.ch.DatagramChannelImpl.ST_UNCONNECTED:I
            putfield sun.nio.ch.DatagramChannelImpl.state:I
        17: .line 120
            return
        end local 2 // java.io.FileDescriptor fd
        end local 1 // java.nio.channels.spi.SelectorProvider sp
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   18     0  this  Lsun/nio/ch/DatagramChannelImpl;
            0   18     1    sp  Ljava/nio/channels/spi/SelectorProvider;
            0   18     2    fd  Ljava/io/FileDescriptor;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      sp    
      fd    

  public java.net.DatagramSocket socket();
    descriptor: ()Ljava/net/DatagramSocket;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // sun.nio.ch.DatagramChannelImpl this
         0: .line 123
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.stateLock:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 124
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.socket:Ljava/net/DatagramSocket;
            ifnonnull 3
         2: .line 125
            aload 0 /* this */
            aload 0 /* this */
            invokestatic sun.nio.ch.DatagramSocketAdaptor.create:(Lsun/nio/ch/DatagramChannelImpl;)Ljava/net/DatagramSocket;
            putfield sun.nio.ch.DatagramChannelImpl.socket:Ljava/net/DatagramSocket;
         3: .line 126
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.socket:Ljava/net/DatagramSocket;
            aload 1
            monitorexit
         4: areturn
         5: .line 123
      StackMap locals:
      StackMap stack: java.lang.Throwable
            aload 1
            monitorexit
         6: athrow
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lsun/nio/ch/DatagramChannelImpl;
      Exception table:
        from    to  target  type
           1     4       5  any
           5     6       5  any

  private void ensureOpen();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // sun.nio.ch.DatagramChannelImpl this
         0: .line 131
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isOpen:()Z
            ifne 2
         1: .line 132
            new java.nio.channels.ClosedChannelException
            dup
            invokespecial java.nio.channels.ClosedChannelException.<init>:()V
            athrow
         2: .line 133
      StackMap locals:
      StackMap stack:
            return
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lsun/nio/ch/DatagramChannelImpl;
    Exceptions:
      throws java.nio.channels.ClosedChannelException

  public java.net.SocketAddress receive(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)Ljava/net/SocketAddress;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=9, args_size=2
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // java.nio.ByteBuffer dst
         0: .line 138
            aload 1 /* dst */
            invokevirtual java.nio.ByteBuffer.isReadOnly:()Z
            ifeq 2
         1: .line 139
            new java.lang.IllegalArgumentException
            dup
            ldc "Read-only buffer"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 140
      StackMap locals:
      StackMap stack:
            aload 1 /* dst */
            ifnonnull 4
         3: .line 141
            new java.lang.NullPointerException
            dup
            invokespecial java.lang.NullPointerException.<init>:()V
            athrow
         4: .line 142
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.readLock:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         5: .line 143
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.ensureOpen:()V
         6: .line 145
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isBound:()Z
            ifne 9
         7: .line 146
            aload 2
            monitorexit
         8: aconst_null
            areturn
         9: .line 147
      StackMap locals: java.lang.Object
      StackMap stack:
            iconst_0
            istore 3 /* n */
        start local 3 // int n
        10: .line 148
            aconst_null
            astore 4 /* bb */
        start local 4 // java.nio.ByteBuffer bb
        11: .line 150
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.begin:()V
        12: .line 151
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isOpen:()Z
            ifne 22
        13: .line 187
            aload 4 /* bb */
            ifnull 15
        14: .line 188
            aload 4 /* bb */
            invokestatic sun.nio.ch.Util.releaseTemporaryDirectBuffer:(Ljava/nio/ByteBuffer;)V
        15: .line 189
      StackMap locals: int java.nio.ByteBuffer
      StackMap stack:
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.readerThread:J
        16: .line 190
            aload 0 /* this */
            iload 3 /* n */
            ifgt 17
            iload 3 /* n */
            bipush -2
            if_icmpeq 17
            iconst_0
            goto 18
      StackMap locals:
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        17: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int java.nio.ByteBuffer
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        18: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        19: .line 191
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 20
            iload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(I)Z
            ifne 20
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
      StackMap locals:
      StackMap stack:
        20: aload 2
            monitorexit
        21: .line 152
            aconst_null
            areturn
        22: .line 153
      StackMap locals:
      StackMap stack:
            invokestatic java.lang.System.getSecurityManager:()Ljava/lang/SecurityManager;
            astore 5 /* security */
        start local 5 // java.lang.SecurityManager security
        23: .line 154
            aload 0 /* this */
            invokestatic sun.nio.ch.NativeThread.current:()J
            putfield sun.nio.ch.DatagramChannelImpl.readerThread:J
        24: .line 155
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isConnected:()Z
            ifne 25
            aload 5 /* security */
            ifnonnull 37
        25: .line 157
      StackMap locals: java.lang.SecurityManager
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
            aload 1 /* dst */
            invokevirtual sun.nio.ch.DatagramChannelImpl.receive:(Ljava/io/FileDescriptor;Ljava/nio/ByteBuffer;)I
            istore 3 /* n */
        26: .line 158
            iload 3 /* n */
            bipush -3
            if_icmpne 27
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isOpen:()Z
            ifne 25
        27: .line 159
      StackMap locals:
      StackMap stack:
            iload 3 /* n */
            bipush -2
            if_icmpne 62
        28: .line 187
            aload 4 /* bb */
            ifnull 30
        29: .line 188
            aload 4 /* bb */
            invokestatic sun.nio.ch.Util.releaseTemporaryDirectBuffer:(Ljava/nio/ByteBuffer;)V
        30: .line 189
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.readerThread:J
        31: .line 190
            aload 0 /* this */
            iload 3 /* n */
            ifgt 32
            iload 3 /* n */
            bipush -2
            if_icmpeq 32
            iconst_0
            goto 33
      StackMap locals:
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        32: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int java.nio.ByteBuffer java.lang.SecurityManager
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        33: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        34: .line 191
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 35
            iload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(I)Z
            ifne 35
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
      StackMap locals:
      StackMap stack:
        35: aload 2
            monitorexit
        36: .line 160
            aconst_null
            areturn
        37: .line 162
      StackMap locals:
      StackMap stack:
            aload 1 /* dst */
            invokevirtual java.nio.ByteBuffer.remaining:()I
            invokestatic sun.nio.ch.Util.getTemporaryDirectBuffer:(I)Ljava/nio/ByteBuffer;
            astore 4 /* bb */
        38: .line 165
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
            aload 4 /* bb */
            invokevirtual sun.nio.ch.DatagramChannelImpl.receive:(Ljava/io/FileDescriptor;Ljava/nio/ByteBuffer;)I
            istore 3 /* n */
        39: .line 166
            iload 3 /* n */
            bipush -3
            if_icmpne 40
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isOpen:()Z
            ifne 38
        40: .line 167
      StackMap locals:
      StackMap stack:
            iload 3 /* n */
            bipush -2
            if_icmpne 50
        41: .line 187
            aload 4 /* bb */
            ifnull 43
        42: .line 188
            aload 4 /* bb */
            invokestatic sun.nio.ch.Util.releaseTemporaryDirectBuffer:(Ljava/nio/ByteBuffer;)V
        43: .line 189
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.readerThread:J
        44: .line 190
            aload 0 /* this */
            iload 3 /* n */
            ifgt 45
            iload 3 /* n */
            bipush -2
            if_icmpeq 45
            iconst_0
            goto 46
      StackMap locals:
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        45: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int java.nio.ByteBuffer java.lang.SecurityManager
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        46: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        47: .line 191
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 48
            iload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(I)Z
            ifne 48
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
      StackMap locals:
      StackMap stack:
        48: aload 2
            monitorexit
        49: .line 168
            aconst_null
            areturn
        50: .line 169
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.sender:Ljava/net/SocketAddress;
            checkcast java.net.InetSocketAddress
            astore 6 /* isa */
        start local 6 // java.net.InetSocketAddress isa
        51: .line 171
            aload 5 /* security */
        52: .line 172
            aload 6 /* isa */
            invokevirtual java.net.InetSocketAddress.getAddress:()Ljava/net/InetAddress;
            invokevirtual java.net.InetAddress.getHostAddress:()Ljava/lang/String;
        53: .line 173
            aload 6 /* isa */
            invokevirtual java.net.InetSocketAddress.getPort:()I
        54: .line 171
            invokevirtual java.lang.SecurityManager.checkAccept:(Ljava/lang/String;I)V
        55: .line 174
            goto 60
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int java.nio.ByteBuffer java.lang.SecurityManager java.net.InetSocketAddress
      StackMap stack: java.lang.SecurityException
        56: pop
        57: .line 176
            aload 4 /* bb */
            invokevirtual java.nio.ByteBuffer.clear:()Ljava/nio/Buffer;
            pop
        58: .line 177
            iconst_0
            istore 3 /* n */
        59: .line 178
            goto 38
        60: .line 180
      StackMap locals:
      StackMap stack:
            aload 4 /* bb */
            invokevirtual java.nio.ByteBuffer.flip:()Ljava/nio/Buffer;
            pop
        61: .line 181
            aload 1 /* dst */
            aload 4 /* bb */
            invokevirtual java.nio.ByteBuffer.put:(Ljava/nio/ByteBuffer;)Ljava/nio/ByteBuffer;
            pop
        end local 6 // java.net.InetSocketAddress isa
        62: .line 185
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.sender:Ljava/net/SocketAddress;
            astore 8
        63: .line 187
            aload 4 /* bb */
            ifnull 65
        64: .line 188
            aload 4 /* bb */
            invokestatic sun.nio.ch.Util.releaseTemporaryDirectBuffer:(Ljava/nio/ByteBuffer;)V
        65: .line 189
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int java.nio.ByteBuffer java.lang.SecurityManager top top java.net.SocketAddress
      StackMap stack:
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.readerThread:J
        66: .line 190
            aload 0 /* this */
            iload 3 /* n */
            ifgt 67
            iload 3 /* n */
            bipush -2
            if_icmpeq 67
            iconst_0
            goto 68
      StackMap locals:
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        67: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int java.nio.ByteBuffer java.lang.SecurityManager top top java.net.SocketAddress
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        68: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        69: .line 191
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 70
            iload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(I)Z
            ifne 70
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        70: .line 185
      StackMap locals:
      StackMap stack:
            aload 2
            monitorexit
        71: aload 8
            areturn
        end local 5 // java.lang.SecurityManager security
        72: .line 186
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int java.nio.ByteBuffer
      StackMap stack: java.lang.Throwable
            astore 7
        73: .line 187
            aload 4 /* bb */
            ifnull 75
        74: .line 188
            aload 4 /* bb */
            invokestatic sun.nio.ch.Util.releaseTemporaryDirectBuffer:(Ljava/nio/ByteBuffer;)V
        75: .line 189
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int java.nio.ByteBuffer top top java.lang.Throwable
      StackMap stack:
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.readerThread:J
        76: .line 190
            aload 0 /* this */
            iload 3 /* n */
            ifgt 77
            iload 3 /* n */
            bipush -2
            if_icmpeq 77
            iconst_0
            goto 78
      StackMap locals:
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        77: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int java.nio.ByteBuffer top top java.lang.Throwable
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        78: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        79: .line 191
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 80
            iload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(I)Z
            ifne 80
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        80: .line 192
      StackMap locals:
      StackMap stack:
            aload 7
            athrow
        end local 4 // java.nio.ByteBuffer bb
        end local 3 // int n
        81: .line 142
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object
      StackMap stack: java.lang.Throwable
            aload 2
            monitorexit
        82: athrow
        end local 1 // java.nio.ByteBuffer dst
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   83     0      this  Lsun/nio/ch/DatagramChannelImpl;
            0   83     1       dst  Ljava/nio/ByteBuffer;
           10   81     3         n  I
           11   81     4        bb  Ljava/nio/ByteBuffer;
           23   72     5  security  Ljava/lang/SecurityManager;
           51   62     6       isa  Ljava/net/InetSocketAddress;
      Exception table:
        from    to  target  type
          51    55      56  Class java.lang.SecurityException
          11    13      72  any
          22    28      72  any
          37    41      72  any
          50    63      72  any
           5     8      81  any
           9    21      81  any
          22    36      81  any
          37    49      81  any
          50    71      81  any
          72    82      81  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      dst   

  private int receive(java.io.FileDescriptor, java.nio.ByteBuffer);
    descriptor: (Ljava/io/FileDescriptor;Ljava/nio/ByteBuffer;)I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=11, args_size=3
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // java.io.FileDescriptor fd
        start local 2 // java.nio.ByteBuffer dst
         0: .line 199
            aload 2 /* dst */
            invokevirtual java.nio.ByteBuffer.position:()I
            istore 3 /* pos */
        start local 3 // int pos
         1: .line 200
            aload 2 /* dst */
            invokevirtual java.nio.ByteBuffer.limit:()I
            istore 4 /* lim */
        start local 4 // int lim
         2: .line 201
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 3
            iload 3 /* pos */
            iload 4 /* lim */
            if_icmple 3
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         3: .line 202
      StackMap locals: int int
      StackMap stack:
            iload 3 /* pos */
            iload 4 /* lim */
            if_icmpgt 4
            iload 4 /* lim */
            iload 3 /* pos */
            isub
            goto 5
      StackMap locals:
      StackMap stack:
         4: iconst_0
      StackMap locals:
      StackMap stack: int
         5: istore 5 /* rem */
        start local 5 // int rem
         6: .line 203
            aload 2 /* dst */
            instanceof sun.nio.ch.DirectBuffer
            ifeq 8
            iload 5 /* rem */
            ifle 8
         7: .line 204
            aload 0 /* this */
            aload 1 /* fd */
            aload 2 /* dst */
            iload 5 /* rem */
            iload 3 /* pos */
            invokevirtual sun.nio.ch.DatagramChannelImpl.receiveIntoNativeBuffer:(Ljava/io/FileDescriptor;Ljava/nio/ByteBuffer;II)I
            ireturn
         8: .line 209
      StackMap locals: int
      StackMap stack:
            iload 5 /* rem */
            iconst_1
            invokestatic java.lang.Math.max:(II)I
            istore 6 /* newSize */
        start local 6 // int newSize
         9: .line 210
            aconst_null
            astore 7 /* bb */
        start local 7 // java.nio.ByteBuffer bb
        10: .line 212
            iload 6 /* newSize */
            invokestatic sun.nio.ch.Util.getTemporaryDirectBuffer:(I)Ljava/nio/ByteBuffer;
            astore 7 /* bb */
        11: .line 213
            aload 0 /* this */
            aload 1 /* fd */
            aload 7 /* bb */
            iload 6 /* newSize */
            iconst_0
            invokevirtual sun.nio.ch.DatagramChannelImpl.receiveIntoNativeBuffer:(Ljava/io/FileDescriptor;Ljava/nio/ByteBuffer;II)I
            istore 8 /* n */
        start local 8 // int n
        12: .line 214
            aload 7 /* bb */
            invokevirtual java.nio.ByteBuffer.flip:()Ljava/nio/Buffer;
            pop
        13: .line 215
            iload 8 /* n */
            ifle 15
            iload 5 /* rem */
            ifle 15
        14: .line 216
            aload 2 /* dst */
            aload 7 /* bb */
            invokevirtual java.nio.ByteBuffer.put:(Ljava/nio/ByteBuffer;)Ljava/nio/ByteBuffer;
            pop
        15: .line 217
      StackMap locals: int java.nio.ByteBuffer int
      StackMap stack:
            iload 8 /* n */
            istore 10
        16: .line 219
            aload 7 /* bb */
            invokestatic sun.nio.ch.Util.releaseTemporaryDirectBuffer:(Ljava/nio/ByteBuffer;)V
        17: .line 217
            iload 10
            ireturn
        end local 8 // int n
        18: .line 218
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.io.FileDescriptor java.nio.ByteBuffer int int int int java.nio.ByteBuffer
      StackMap stack: java.lang.Throwable
            astore 9
        19: .line 219
            aload 7 /* bb */
            invokestatic sun.nio.ch.Util.releaseTemporaryDirectBuffer:(Ljava/nio/ByteBuffer;)V
        20: .line 220
            aload 9
            athrow
        end local 7 // java.nio.ByteBuffer bb
        end local 6 // int newSize
        end local 5 // int rem
        end local 4 // int lim
        end local 3 // int pos
        end local 2 // java.nio.ByteBuffer dst
        end local 1 // java.io.FileDescriptor fd
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   21     0     this  Lsun/nio/ch/DatagramChannelImpl;
            0   21     1       fd  Ljava/io/FileDescriptor;
            0   21     2      dst  Ljava/nio/ByteBuffer;
            1   21     3      pos  I
            2   21     4      lim  I
            6   21     5      rem  I
            9   21     6  newSize  I
           10   21     7       bb  Ljava/nio/ByteBuffer;
           12   18     8        n  I
      Exception table:
        from    to  target  type
          10    16      18  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      fd    
      dst   

  private int receiveIntoNativeBuffer(java.io.FileDescriptor, java.nio.ByteBuffer, int, int);
    descriptor: (Ljava/io/FileDescriptor;Ljava/nio/ByteBuffer;II)I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=6, locals=6, args_size=5
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // java.io.FileDescriptor fd
        start local 2 // java.nio.ByteBuffer bb
        start local 3 // int rem
        start local 4 // int pos
         0: .line 227
            aload 0 /* this */
            aload 1 /* fd */
            aload 2 /* bb */
            checkcast sun.nio.ch.DirectBuffer
            invokeinterface sun.nio.ch.DirectBuffer.address:()J
            iload 4 /* pos */
            i2l
            ladd
            iload 3 /* rem */
         1: .line 228
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isConnected:()Z
         2: .line 227
            invokevirtual sun.nio.ch.DatagramChannelImpl.receive0:(Ljava/io/FileDescriptor;JIZ)I
            istore 5 /* n */
        start local 5 // int n
         3: .line 229
            iload 5 /* n */
            ifle 5
         4: .line 230
            aload 2 /* bb */
            iload 4 /* pos */
            iload 5 /* n */
            iadd
            invokevirtual java.nio.ByteBuffer.position:(I)Ljava/nio/Buffer;
            pop
         5: .line 231
      StackMap locals: int
      StackMap stack:
            iload 5 /* n */
            ireturn
        end local 5 // int n
        end local 4 // int pos
        end local 3 // int rem
        end local 2 // java.nio.ByteBuffer bb
        end local 1 // java.io.FileDescriptor fd
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lsun/nio/ch/DatagramChannelImpl;
            0    6     1    fd  Ljava/io/FileDescriptor;
            0    6     2    bb  Ljava/nio/ByteBuffer;
            0    6     3   rem  I
            0    6     4   pos  I
            3    6     5     n  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      fd    
      bb    
      rem   
      pos   

  public int send(java.nio.ByteBuffer, java.net.SocketAddress);
    descriptor: (Ljava/nio/ByteBuffer;Ljava/net/SocketAddress;)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=9, args_size=3
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // java.nio.ByteBuffer src
        start local 2 // java.net.SocketAddress target
         0: .line 237
            aload 1 /* src */
            ifnonnull 2
         1: .line 238
            new java.lang.NullPointerException
            dup
            invokespecial java.lang.NullPointerException.<init>:()V
            athrow
         2: .line 240
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.writeLock:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         3: .line 241
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.ensureOpen:()V
         4: .line 242
            aload 2 /* target */
            invokestatic sun.nio.ch.Net.checkAddress:(Ljava/net/SocketAddress;)Ljava/net/InetSocketAddress;
            astore 4 /* isa */
        start local 4 // java.net.InetSocketAddress isa
         5: .line 243
            aload 4 /* isa */
            invokevirtual java.net.InetSocketAddress.getAddress:()Ljava/net/InetAddress;
            astore 5 /* ia */
        start local 5 // java.net.InetAddress ia
         6: .line 244
            aload 5 /* ia */
            ifnonnull 8
         7: .line 245
            new java.io.IOException
            dup
            ldc "Target address not resolved"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         8: .line 246
      StackMap locals: java.lang.Object java.net.InetSocketAddress java.net.InetAddress
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.stateLock:Ljava/lang/Object;
            dup
            astore 6
            monitorenter
         9: .line 247
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isConnected:()Z
            ifne 21
        10: .line 248
            aload 2 /* target */
            ifnonnull 12
        11: .line 249
            new java.lang.NullPointerException
            dup
            invokespecial java.lang.NullPointerException.<init>:()V
            athrow
        12: .line 250
      StackMap locals: java.lang.Object
      StackMap stack:
            invokestatic java.lang.System.getSecurityManager:()Ljava/lang/SecurityManager;
            astore 7 /* sm */
        start local 7 // java.lang.SecurityManager sm
        13: .line 251
            aload 7 /* sm */
            ifnull 28
        14: .line 252
            aload 5 /* ia */
            invokevirtual java.net.InetAddress.isMulticastAddress:()Z
            ifeq 17
        15: .line 253
            aload 7 /* sm */
            aload 5 /* ia */
            invokevirtual java.lang.SecurityManager.checkMulticast:(Ljava/net/InetAddress;)V
        16: .line 254
            goto 28
        17: .line 255
      StackMap locals: java.lang.SecurityManager
      StackMap stack:
            aload 7 /* sm */
            aload 5 /* ia */
            invokevirtual java.net.InetAddress.getHostAddress:()Ljava/lang/String;
        18: .line 256
            aload 4 /* isa */
            invokevirtual java.net.InetSocketAddress.getPort:()I
        19: .line 255
            invokevirtual java.lang.SecurityManager.checkConnect:(Ljava/lang/String;I)V
        end local 7 // java.lang.SecurityManager sm
        20: .line 259
            goto 28
        21: .line 260
      StackMap locals:
      StackMap stack:
            aload 2 /* target */
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.remoteAddress:Ljava/net/InetSocketAddress;
            invokevirtual java.lang.Object.equals:(Ljava/lang/Object;)Z
            ifne 25
        22: .line 261
            new java.lang.IllegalArgumentException
            dup
        23: .line 262
            ldc "Connected address not equal to target address"
        24: .line 261
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        25: .line 264
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* src */
            invokevirtual sun.nio.ch.DatagramChannelImpl.write:(Ljava/nio/ByteBuffer;)I
            aload 6
            monitorexit
        26: aload 3
            monitorexit
        27: ireturn
        28: .line 246
      StackMap locals:
      StackMap stack:
            aload 6
            monitorexit
        29: goto 32
      StackMap locals:
      StackMap stack: java.lang.Throwable
        30: aload 6
            monitorexit
        31: athrow
        32: .line 268
      StackMap locals:
      StackMap stack:
            iconst_0
            istore 6 /* n */
        start local 6 // int n
        33: .line 270
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.begin:()V
        34: .line 271
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isOpen:()Z
            ifne 42
        35: .line 279
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.writerThread:J
        36: .line 280
            aload 0 /* this */
            iload 6 /* n */
            ifgt 37
            iload 6 /* n */
            bipush -2
            if_icmpeq 37
            iconst_0
            goto 38
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.net.SocketAddress java.lang.Object java.net.InetSocketAddress java.net.InetAddress int
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        37: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.net.SocketAddress java.lang.Object java.net.InetSocketAddress java.net.InetAddress int
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        38: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        39: .line 281
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 40
            iload 6 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(I)Z
            ifne 40
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
      StackMap locals:
      StackMap stack:
        40: aload 3
            monitorexit
        41: .line 272
            iconst_0
            ireturn
        42: .line 273
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokestatic sun.nio.ch.NativeThread.current:()J
            putfield sun.nio.ch.DatagramChannelImpl.writerThread:J
        43: .line 275
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
            aload 1 /* src */
            aload 4 /* isa */
            invokevirtual sun.nio.ch.DatagramChannelImpl.send:(Ljava/io/FileDescriptor;Ljava/nio/ByteBuffer;Ljava/net/InetSocketAddress;)I
            istore 6 /* n */
        44: .line 276
            iload 6 /* n */
            bipush -3
            if_icmpne 45
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isOpen:()Z
            ifne 43
        45: .line 277
      StackMap locals:
      StackMap stack:
            iload 6 /* n */
            invokestatic sun.nio.ch.IOStatus.normalize:(I)I
            istore 8
        46: .line 279
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.writerThread:J
        47: .line 280
            aload 0 /* this */
            iload 6 /* n */
            ifgt 48
            iload 6 /* n */
            bipush -2
            if_icmpeq 48
            iconst_0
            goto 49
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.net.SocketAddress java.lang.Object java.net.InetSocketAddress java.net.InetAddress int top int
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        48: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.net.SocketAddress java.lang.Object java.net.InetSocketAddress java.net.InetAddress int top int
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        49: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        50: .line 281
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 51
            iload 6 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(I)Z
            ifne 51
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        51: .line 277
      StackMap locals:
      StackMap stack:
            aload 3
            monitorexit
        52: iload 8
            ireturn
        53: .line 278
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.net.SocketAddress java.lang.Object java.net.InetSocketAddress java.net.InetAddress int
      StackMap stack: java.lang.Throwable
            astore 7
        54: .line 279
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.writerThread:J
        55: .line 280
            aload 0 /* this */
            iload 6 /* n */
            ifgt 56
            iload 6 /* n */
            bipush -2
            if_icmpeq 56
            iconst_0
            goto 57
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.net.SocketAddress java.lang.Object java.net.InetSocketAddress java.net.InetAddress int java.lang.Throwable
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        56: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.net.SocketAddress java.lang.Object java.net.InetSocketAddress java.net.InetAddress int java.lang.Throwable
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        57: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        58: .line 281
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 59
            iload 6 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(I)Z
            ifne 59
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        59: .line 282
      StackMap locals:
      StackMap stack:
            aload 7
            athrow
        end local 6 // int n
        end local 5 // java.net.InetAddress ia
        end local 4 // java.net.InetSocketAddress isa
        60: .line 240
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.net.SocketAddress java.lang.Object
      StackMap stack: java.lang.Throwable
            aload 3
            monitorexit
        61: athrow
        end local 2 // java.net.SocketAddress target
        end local 1 // java.nio.ByteBuffer src
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   62     0    this  Lsun/nio/ch/DatagramChannelImpl;
            0   62     1     src  Ljava/nio/ByteBuffer;
            0   62     2  target  Ljava/net/SocketAddress;
            5   60     4     isa  Ljava/net/InetSocketAddress;
            6   60     5      ia  Ljava/net/InetAddress;
           13   20     7      sm  Ljava/lang/SecurityManager;
           33   60     6       n  I
      Exception table:
        from    to  target  type
           9    26      30  any
          28    29      30  any
          30    31      30  any
          33    35      53  any
          42    46      53  any
           3    27      60  any
          28    41      60  any
          42    52      60  any
          53    61      60  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      src     
      target  

  private int send(java.io.FileDescriptor, java.nio.ByteBuffer, java.net.InetSocketAddress);
    descriptor: (Ljava/io/FileDescriptor;Ljava/nio/ByteBuffer;Ljava/net/InetSocketAddress;)I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=11, args_size=4
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // java.io.FileDescriptor fd
        start local 2 // java.nio.ByteBuffer src
        start local 3 // java.net.InetSocketAddress target
         0: .line 289
            aload 2 /* src */
            instanceof sun.nio.ch.DirectBuffer
            ifeq 2
         1: .line 290
            aload 0 /* this */
            aload 1 /* fd */
            aload 2 /* src */
            aload 3 /* target */
            invokevirtual sun.nio.ch.DatagramChannelImpl.sendFromNativeBuffer:(Ljava/io/FileDescriptor;Ljava/nio/ByteBuffer;Ljava/net/InetSocketAddress;)I
            ireturn
         2: .line 293
      StackMap locals:
      StackMap stack:
            aload 2 /* src */
            invokevirtual java.nio.ByteBuffer.position:()I
            istore 4 /* pos */
        start local 4 // int pos
         3: .line 294
            aload 2 /* src */
            invokevirtual java.nio.ByteBuffer.limit:()I
            istore 5 /* lim */
        start local 5 // int lim
         4: .line 295
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 5
            iload 4 /* pos */
            iload 5 /* lim */
            if_icmple 5
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         5: .line 296
      StackMap locals: int int
      StackMap stack:
            iload 4 /* pos */
            iload 5 /* lim */
            if_icmpgt 6
            iload 5 /* lim */
            iload 4 /* pos */
            isub
            goto 7
      StackMap locals:
      StackMap stack:
         6: iconst_0
      StackMap locals:
      StackMap stack: int
         7: istore 6 /* rem */
        start local 6 // int rem
         8: .line 298
            aconst_null
            astore 7 /* bb */
        start local 7 // java.nio.ByteBuffer bb
         9: .line 300
            iload 6 /* rem */
            invokestatic sun.nio.ch.Util.getTemporaryDirectBuffer:(I)Ljava/nio/ByteBuffer;
            astore 7 /* bb */
        10: .line 301
            aload 7 /* bb */
            aload 2 /* src */
            invokevirtual java.nio.ByteBuffer.put:(Ljava/nio/ByteBuffer;)Ljava/nio/ByteBuffer;
            pop
        11: .line 302
            aload 7 /* bb */
            invokevirtual java.nio.ByteBuffer.flip:()Ljava/nio/Buffer;
            pop
        12: .line 304
            aload 2 /* src */
            iload 4 /* pos */
            invokevirtual java.nio.ByteBuffer.position:(I)Ljava/nio/Buffer;
            pop
        13: .line 306
            aload 0 /* this */
            aload 1 /* fd */
            aload 7 /* bb */
            aload 3 /* target */
            invokevirtual sun.nio.ch.DatagramChannelImpl.sendFromNativeBuffer:(Ljava/io/FileDescriptor;Ljava/nio/ByteBuffer;Ljava/net/InetSocketAddress;)I
            istore 8 /* n */
        start local 8 // int n
        14: .line 307
            iload 8 /* n */
            ifle 16
        15: .line 309
            aload 2 /* src */
            iload 4 /* pos */
            iload 8 /* n */
            iadd
            invokevirtual java.nio.ByteBuffer.position:(I)Ljava/nio/Buffer;
            pop
        16: .line 311
      StackMap locals: int java.nio.ByteBuffer int
      StackMap stack:
            iload 8 /* n */
            istore 10
        17: .line 313
            aload 7 /* bb */
            invokestatic sun.nio.ch.Util.releaseTemporaryDirectBuffer:(Ljava/nio/ByteBuffer;)V
        18: .line 311
            iload 10
            ireturn
        end local 8 // int n
        19: .line 312
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.io.FileDescriptor java.nio.ByteBuffer java.net.InetSocketAddress int int int java.nio.ByteBuffer
      StackMap stack: java.lang.Throwable
            astore 9
        20: .line 313
            aload 7 /* bb */
            invokestatic sun.nio.ch.Util.releaseTemporaryDirectBuffer:(Ljava/nio/ByteBuffer;)V
        21: .line 314
            aload 9
            athrow
        end local 7 // java.nio.ByteBuffer bb
        end local 6 // int rem
        end local 5 // int lim
        end local 4 // int pos
        end local 3 // java.net.InetSocketAddress target
        end local 2 // java.nio.ByteBuffer src
        end local 1 // java.io.FileDescriptor fd
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   22     0    this  Lsun/nio/ch/DatagramChannelImpl;
            0   22     1      fd  Ljava/io/FileDescriptor;
            0   22     2     src  Ljava/nio/ByteBuffer;
            0   22     3  target  Ljava/net/InetSocketAddress;
            3   22     4     pos  I
            4   22     5     lim  I
            8   22     6     rem  I
            9   22     7      bb  Ljava/nio/ByteBuffer;
           14   19     8       n  I
      Exception table:
        from    to  target  type
           9    17      19  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      fd      
      src     
      target  

  private int sendFromNativeBuffer(java.io.FileDescriptor, java.nio.ByteBuffer, java.net.InetSocketAddress);
    descriptor: (Ljava/io/FileDescriptor;Ljava/nio/ByteBuffer;Ljava/net/InetSocketAddress;)I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=7, locals=8, args_size=4
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // java.io.FileDescriptor fd
        start local 2 // java.nio.ByteBuffer bb
        start local 3 // java.net.InetSocketAddress target
         0: .line 321
            aload 2 /* bb */
            invokevirtual java.nio.ByteBuffer.position:()I
            istore 4 /* pos */
        start local 4 // int pos
         1: .line 322
            aload 2 /* bb */
            invokevirtual java.nio.ByteBuffer.limit:()I
            istore 5 /* lim */
        start local 5 // int lim
         2: .line 323
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 3
            iload 4 /* pos */
            iload 5 /* lim */
            if_icmple 3
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         3: .line 324
      StackMap locals: int int
      StackMap stack:
            iload 4 /* pos */
            iload 5 /* lim */
            if_icmpgt 4
            iload 5 /* lim */
            iload 4 /* pos */
            isub
            goto 5
      StackMap locals:
      StackMap stack:
         4: iconst_0
      StackMap locals:
      StackMap stack: int
         5: istore 6 /* rem */
        start local 6 // int rem
         6: .line 326
            aload 0 /* this */
            aload 1 /* fd */
            aload 2 /* bb */
            checkcast sun.nio.ch.DirectBuffer
            invokeinterface sun.nio.ch.DirectBuffer.address:()J
            iload 4 /* pos */
            i2l
            ladd
         7: .line 327
            iload 6 /* rem */
            aload 3 /* target */
            invokevirtual java.net.InetSocketAddress.getAddress:()Ljava/net/InetAddress;
            aload 3 /* target */
            invokevirtual java.net.InetSocketAddress.getPort:()I
         8: .line 326
            invokevirtual sun.nio.ch.DatagramChannelImpl.send0:(Ljava/io/FileDescriptor;JILjava/net/InetAddress;I)I
            istore 7 /* written */
        start local 7 // int written
         9: .line 328
            iload 7 /* written */
            ifle 11
        10: .line 329
            aload 2 /* bb */
            iload 4 /* pos */
            iload 7 /* written */
            iadd
            invokevirtual java.nio.ByteBuffer.position:(I)Ljava/nio/Buffer;
            pop
        11: .line 330
      StackMap locals: int int
      StackMap stack:
            iload 7 /* written */
            ireturn
        end local 7 // int written
        end local 6 // int rem
        end local 5 // int lim
        end local 4 // int pos
        end local 3 // java.net.InetSocketAddress target
        end local 2 // java.nio.ByteBuffer bb
        end local 1 // java.io.FileDescriptor fd
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   12     0     this  Lsun/nio/ch/DatagramChannelImpl;
            0   12     1       fd  Ljava/io/FileDescriptor;
            0   12     2       bb  Ljava/nio/ByteBuffer;
            0   12     3   target  Ljava/net/InetSocketAddress;
            1   12     4      pos  I
            2   12     5      lim  I
            6   12     6      rem  I
            9   12     7  written  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      fd      
      bb      
      target  

  public int read(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=6, args_size=2
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // java.nio.ByteBuffer buf
         0: .line 334
            aload 1 /* buf */
            ifnonnull 2
         1: .line 335
            new java.lang.NullPointerException
            dup
            invokespecial java.lang.NullPointerException.<init>:()V
            athrow
         2: .line 336
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.readLock:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         3: .line 337
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.stateLock:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         4: .line 338
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.ensureOpen:()V
         5: .line 339
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isConnected:()Z
            ifne 7
         6: .line 340
            new java.nio.channels.NotYetConnectedException
            dup
            invokespecial java.nio.channels.NotYetConnectedException.<init>:()V
            athrow
         7: .line 337
      StackMap locals: java.lang.Object java.lang.Object
      StackMap stack:
            aload 3
            monitorexit
         8: goto 11
      StackMap locals:
      StackMap stack: java.lang.Throwable
         9: aload 3
            monitorexit
        10: athrow
        11: .line 342
      StackMap locals:
      StackMap stack:
            iconst_0
            istore 3 /* n */
        start local 3 // int n
        12: .line 344
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.begin:()V
        13: .line 345
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isOpen:()Z
            ifne 21
        14: .line 353
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.readerThread:J
        15: .line 354
            aload 0 /* this */
            iload 3 /* n */
            ifgt 16
            iload 3 /* n */
            bipush -2
            if_icmpeq 16
            iconst_0
            goto 17
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        16: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        17: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        18: .line 355
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 19
            iload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(I)Z
            ifne 19
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
      StackMap locals:
      StackMap stack:
        19: aload 2
            monitorexit
        20: .line 346
            iconst_0
            ireturn
        21: .line 347
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokestatic sun.nio.ch.NativeThread.current:()J
            putfield sun.nio.ch.DatagramChannelImpl.readerThread:J
        22: .line 349
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
            aload 1 /* buf */
            ldc -1
            getstatic sun.nio.ch.DatagramChannelImpl.nd:Lsun/nio/ch/NativeDispatcher;
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.readLock:Ljava/lang/Object;
            invokestatic sun.nio.ch.IOUtil.read:(Ljava/io/FileDescriptor;Ljava/nio/ByteBuffer;JLsun/nio/ch/NativeDispatcher;Ljava/lang/Object;)I
            istore 3 /* n */
        23: .line 350
            iload 3 /* n */
            bipush -3
            if_icmpne 24
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isOpen:()Z
            ifne 22
        24: .line 351
      StackMap locals:
      StackMap stack:
            iload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.normalize:(I)I
            istore 5
        25: .line 353
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.readerThread:J
        26: .line 354
            aload 0 /* this */
            iload 3 /* n */
            ifgt 27
            iload 3 /* n */
            bipush -2
            if_icmpeq 27
            iconst_0
            goto 28
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int top int
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        27: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int top int
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        28: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        29: .line 355
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 30
            iload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(I)Z
            ifne 30
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        30: .line 351
      StackMap locals:
      StackMap stack:
            aload 2
            monitorexit
        31: iload 5
            ireturn
        32: .line 352
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int
      StackMap stack: java.lang.Throwable
            astore 4
        33: .line 353
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.readerThread:J
        34: .line 354
            aload 0 /* this */
            iload 3 /* n */
            ifgt 35
            iload 3 /* n */
            bipush -2
            if_icmpeq 35
            iconst_0
            goto 36
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int java.lang.Throwable
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        35: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int java.lang.Throwable
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        36: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        37: .line 355
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 38
            iload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(I)Z
            ifne 38
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        38: .line 356
      StackMap locals:
      StackMap stack:
            aload 4
            athrow
        end local 3 // int n
        39: .line 336
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object
      StackMap stack: java.lang.Throwable
            aload 2
            monitorexit
        40: athrow
        end local 1 // java.nio.ByteBuffer buf
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   41     0  this  Lsun/nio/ch/DatagramChannelImpl;
            0   41     1   buf  Ljava/nio/ByteBuffer;
           12   39     3     n  I
      Exception table:
        from    to  target  type
           4     8       9  any
           9    10       9  any
          12    14      32  any
          21    25      32  any
           3    20      39  any
          21    31      39  any
          32    40      39  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      buf   

  private long read0(java.nio.ByteBuffer[]);
    descriptor: ([Ljava/nio/ByteBuffer;)J
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=8, args_size=2
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // java.nio.ByteBuffer[] bufs
         0: .line 361
            aload 1 /* bufs */
            ifnonnull 2
         1: .line 362
            new java.lang.NullPointerException
            dup
            invokespecial java.lang.NullPointerException.<init>:()V
            athrow
         2: .line 363
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.readLock:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         3: .line 364
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.stateLock:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         4: .line 365
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.ensureOpen:()V
         5: .line 366
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isConnected:()Z
            ifne 7
         6: .line 367
            new java.nio.channels.NotYetConnectedException
            dup
            invokespecial java.nio.channels.NotYetConnectedException.<init>:()V
            athrow
         7: .line 364
      StackMap locals: java.lang.Object java.lang.Object
      StackMap stack:
            aload 3
            monitorexit
         8: goto 11
      StackMap locals:
      StackMap stack: java.lang.Throwable
         9: aload 3
            monitorexit
        10: athrow
        11: .line 369
      StackMap locals:
      StackMap stack:
            lconst_0
            lstore 3 /* n */
        start local 3 // long n
        12: .line 371
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.begin:()V
        13: .line 372
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isOpen:()Z
            ifne 21
        14: .line 380
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.readerThread:J
        15: .line 381
            aload 0 /* this */
            lload 3 /* n */
            lconst_0
            lcmp
            ifgt 16
            lload 3 /* n */
            ldc -2
            lcmp
            ifeq 16
            iconst_0
            goto 17
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer[] java.lang.Object long
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        16: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer[] java.lang.Object long
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        17: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        18: .line 382
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 19
            lload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(J)Z
            ifne 19
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
      StackMap locals:
      StackMap stack:
        19: aload 2
            monitorexit
        20: .line 373
            lconst_0
            lreturn
        21: .line 374
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokestatic sun.nio.ch.NativeThread.current:()J
            putfield sun.nio.ch.DatagramChannelImpl.readerThread:J
        22: .line 376
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
            aload 1 /* bufs */
            getstatic sun.nio.ch.DatagramChannelImpl.nd:Lsun/nio/ch/NativeDispatcher;
            invokestatic sun.nio.ch.IOUtil.read:(Ljava/io/FileDescriptor;[Ljava/nio/ByteBuffer;Lsun/nio/ch/NativeDispatcher;)J
            lstore 3 /* n */
        23: .line 377
            lload 3 /* n */
            ldc -3
            lcmp
            ifne 24
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isOpen:()Z
            ifne 22
        24: .line 378
      StackMap locals:
      StackMap stack:
            lload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.normalize:(J)J
            lstore 6
        25: .line 380
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.readerThread:J
        26: .line 381
            aload 0 /* this */
            lload 3 /* n */
            lconst_0
            lcmp
            ifgt 27
            lload 3 /* n */
            ldc -2
            lcmp
            ifeq 27
            iconst_0
            goto 28
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer[] java.lang.Object long top long
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        27: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer[] java.lang.Object long top long
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        28: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        29: .line 382
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 30
            lload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(J)Z
            ifne 30
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        30: .line 378
      StackMap locals:
      StackMap stack:
            aload 2
            monitorexit
        31: lload 6
            lreturn
        32: .line 379
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer[] java.lang.Object long
      StackMap stack: java.lang.Throwable
            astore 5
        33: .line 380
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.readerThread:J
        34: .line 381
            aload 0 /* this */
            lload 3 /* n */
            lconst_0
            lcmp
            ifgt 35
            lload 3 /* n */
            ldc -2
            lcmp
            ifeq 35
            iconst_0
            goto 36
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer[] java.lang.Object long java.lang.Throwable
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        35: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer[] java.lang.Object long java.lang.Throwable
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        36: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        37: .line 382
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 38
            lload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(J)Z
            ifne 38
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        38: .line 383
      StackMap locals:
      StackMap stack:
            aload 5
            athrow
        end local 3 // long n
        39: .line 363
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer[] java.lang.Object
      StackMap stack: java.lang.Throwable
            aload 2
            monitorexit
        40: athrow
        end local 1 // java.nio.ByteBuffer[] bufs
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   41     0  this  Lsun/nio/ch/DatagramChannelImpl;
            0   41     1  bufs  [Ljava/nio/ByteBuffer;
           12   39     3     n  J
      Exception table:
        from    to  target  type
           4     8       9  any
           9    10       9  any
          12    14      32  any
          21    25      32  any
           3    20      39  any
          21    31      39  any
          32    40      39  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      bufs  

  public long read(java.nio.ByteBuffer[], int, int);
    descriptor: ([Ljava/nio/ByteBuffer;II)J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // java.nio.ByteBuffer[] dsts
        start local 2 // int offset
        start local 3 // int length
         0: .line 390
            iload 2 /* offset */
            iflt 1
            iload 3 /* length */
            iflt 1
            iload 2 /* offset */
            aload 1 /* dsts */
            arraylength
            iload 3 /* length */
            isub
            if_icmple 2
         1: .line 391
      StackMap locals:
      StackMap stack:
            new java.lang.IndexOutOfBoundsException
            dup
            invokespecial java.lang.IndexOutOfBoundsException.<init>:()V
            athrow
         2: .line 393
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* dsts */
            iload 2 /* offset */
            iload 3 /* length */
            invokestatic sun.nio.ch.Util.subsequence:([Ljava/nio/ByteBuffer;II)[Ljava/nio/ByteBuffer;
            invokevirtual sun.nio.ch.DatagramChannelImpl.read0:([Ljava/nio/ByteBuffer;)J
            lreturn
        end local 3 // int length
        end local 2 // int offset
        end local 1 // java.nio.ByteBuffer[] dsts
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lsun/nio/ch/DatagramChannelImpl;
            0    3     1    dsts  [Ljava/nio/ByteBuffer;
            0    3     2  offset  I
            0    3     3  length  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      dsts    
      offset  
      length  

  public int write(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=6, args_size=2
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // java.nio.ByteBuffer buf
         0: .line 397
            aload 1 /* buf */
            ifnonnull 2
         1: .line 398
            new java.lang.NullPointerException
            dup
            invokespecial java.lang.NullPointerException.<init>:()V
            athrow
         2: .line 399
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.writeLock:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         3: .line 400
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.stateLock:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         4: .line 401
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.ensureOpen:()V
         5: .line 402
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isConnected:()Z
            ifne 7
         6: .line 403
            new java.nio.channels.NotYetConnectedException
            dup
            invokespecial java.nio.channels.NotYetConnectedException.<init>:()V
            athrow
         7: .line 400
      StackMap locals: java.lang.Object java.lang.Object
      StackMap stack:
            aload 3
            monitorexit
         8: goto 11
      StackMap locals:
      StackMap stack: java.lang.Throwable
         9: aload 3
            monitorexit
        10: athrow
        11: .line 405
      StackMap locals:
      StackMap stack:
            iconst_0
            istore 3 /* n */
        start local 3 // int n
        12: .line 407
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.begin:()V
        13: .line 408
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isOpen:()Z
            ifne 21
        14: .line 416
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.writerThread:J
        15: .line 417
            aload 0 /* this */
            iload 3 /* n */
            ifgt 16
            iload 3 /* n */
            bipush -2
            if_icmpeq 16
            iconst_0
            goto 17
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        16: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        17: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        18: .line 418
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 19
            iload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(I)Z
            ifne 19
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
      StackMap locals:
      StackMap stack:
        19: aload 2
            monitorexit
        20: .line 409
            iconst_0
            ireturn
        21: .line 410
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokestatic sun.nio.ch.NativeThread.current:()J
            putfield sun.nio.ch.DatagramChannelImpl.writerThread:J
        22: .line 412
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
            aload 1 /* buf */
            ldc -1
            getstatic sun.nio.ch.DatagramChannelImpl.nd:Lsun/nio/ch/NativeDispatcher;
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.writeLock:Ljava/lang/Object;
            invokestatic sun.nio.ch.IOUtil.write:(Ljava/io/FileDescriptor;Ljava/nio/ByteBuffer;JLsun/nio/ch/NativeDispatcher;Ljava/lang/Object;)I
            istore 3 /* n */
        23: .line 413
            iload 3 /* n */
            bipush -3
            if_icmpne 24
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isOpen:()Z
            ifne 22
        24: .line 414
      StackMap locals:
      StackMap stack:
            iload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.normalize:(I)I
            istore 5
        25: .line 416
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.writerThread:J
        26: .line 417
            aload 0 /* this */
            iload 3 /* n */
            ifgt 27
            iload 3 /* n */
            bipush -2
            if_icmpeq 27
            iconst_0
            goto 28
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int top int
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        27: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int top int
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        28: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        29: .line 418
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 30
            iload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(I)Z
            ifne 30
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        30: .line 414
      StackMap locals:
      StackMap stack:
            aload 2
            monitorexit
        31: iload 5
            ireturn
        32: .line 415
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int
      StackMap stack: java.lang.Throwable
            astore 4
        33: .line 416
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.writerThread:J
        34: .line 417
            aload 0 /* this */
            iload 3 /* n */
            ifgt 35
            iload 3 /* n */
            bipush -2
            if_icmpeq 35
            iconst_0
            goto 36
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int java.lang.Throwable
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        35: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object int java.lang.Throwable
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        36: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        37: .line 418
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 38
            iload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(I)Z
            ifne 38
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        38: .line 419
      StackMap locals:
      StackMap stack:
            aload 4
            athrow
        end local 3 // int n
        39: .line 399
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer java.lang.Object
      StackMap stack: java.lang.Throwable
            aload 2
            monitorexit
        40: athrow
        end local 1 // java.nio.ByteBuffer buf
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   41     0  this  Lsun/nio/ch/DatagramChannelImpl;
            0   41     1   buf  Ljava/nio/ByteBuffer;
           12   39     3     n  I
      Exception table:
        from    to  target  type
           4     8       9  any
           9    10       9  any
          12    14      32  any
          21    25      32  any
           3    20      39  any
          21    31      39  any
          32    40      39  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      buf   

  private long write0(java.nio.ByteBuffer[]);
    descriptor: ([Ljava/nio/ByteBuffer;)J
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=8, args_size=2
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // java.nio.ByteBuffer[] bufs
         0: .line 424
            aload 1 /* bufs */
            ifnonnull 2
         1: .line 425
            new java.lang.NullPointerException
            dup
            invokespecial java.lang.NullPointerException.<init>:()V
            athrow
         2: .line 426
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.writeLock:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         3: .line 427
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.stateLock:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         4: .line 428
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.ensureOpen:()V
         5: .line 429
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isConnected:()Z
            ifne 7
         6: .line 430
            new java.nio.channels.NotYetConnectedException
            dup
            invokespecial java.nio.channels.NotYetConnectedException.<init>:()V
            athrow
         7: .line 427
      StackMap locals: java.lang.Object java.lang.Object
      StackMap stack:
            aload 3
            monitorexit
         8: goto 11
      StackMap locals:
      StackMap stack: java.lang.Throwable
         9: aload 3
            monitorexit
        10: athrow
        11: .line 432
      StackMap locals:
      StackMap stack:
            lconst_0
            lstore 3 /* n */
        start local 3 // long n
        12: .line 434
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.begin:()V
        13: .line 435
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isOpen:()Z
            ifne 21
        14: .line 443
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.writerThread:J
        15: .line 444
            aload 0 /* this */
            lload 3 /* n */
            lconst_0
            lcmp
            ifgt 16
            lload 3 /* n */
            ldc -2
            lcmp
            ifeq 16
            iconst_0
            goto 17
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer[] java.lang.Object long
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        16: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer[] java.lang.Object long
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        17: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        18: .line 445
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 19
            lload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(J)Z
            ifne 19
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
      StackMap locals:
      StackMap stack:
        19: aload 2
            monitorexit
        20: .line 436
            lconst_0
            lreturn
        21: .line 437
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokestatic sun.nio.ch.NativeThread.current:()J
            putfield sun.nio.ch.DatagramChannelImpl.writerThread:J
        22: .line 439
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
            aload 1 /* bufs */
            getstatic sun.nio.ch.DatagramChannelImpl.nd:Lsun/nio/ch/NativeDispatcher;
            invokestatic sun.nio.ch.IOUtil.write:(Ljava/io/FileDescriptor;[Ljava/nio/ByteBuffer;Lsun/nio/ch/NativeDispatcher;)J
            lstore 3 /* n */
        23: .line 440
            lload 3 /* n */
            ldc -3
            lcmp
            ifne 24
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isOpen:()Z
            ifne 22
        24: .line 441
      StackMap locals:
      StackMap stack:
            lload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.normalize:(J)J
            lstore 6
        25: .line 443
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.writerThread:J
        26: .line 444
            aload 0 /* this */
            lload 3 /* n */
            lconst_0
            lcmp
            ifgt 27
            lload 3 /* n */
            ldc -2
            lcmp
            ifeq 27
            iconst_0
            goto 28
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer[] java.lang.Object long top long
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        27: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer[] java.lang.Object long top long
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        28: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        29: .line 445
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 30
            lload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(J)Z
            ifne 30
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        30: .line 441
      StackMap locals:
      StackMap stack:
            aload 2
            monitorexit
        31: lload 6
            lreturn
        32: .line 442
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer[] java.lang.Object long
      StackMap stack: java.lang.Throwable
            astore 5
        33: .line 443
            aload 0 /* this */
            lconst_0
            putfield sun.nio.ch.DatagramChannelImpl.writerThread:J
        34: .line 444
            aload 0 /* this */
            lload 3 /* n */
            lconst_0
            lcmp
            ifgt 35
            lload 3 /* n */
            ldc -2
            lcmp
            ifeq 35
            iconst_0
            goto 36
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer[] java.lang.Object long java.lang.Throwable
      StackMap stack: sun.nio.ch.DatagramChannelImpl
        35: iconst_1
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer[] java.lang.Object long java.lang.Throwable
      StackMap stack: sun.nio.ch.DatagramChannelImpl int
        36: invokevirtual sun.nio.ch.DatagramChannelImpl.end:(Z)V
        37: .line 445
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 38
            lload 3 /* n */
            invokestatic sun.nio.ch.IOStatus.check:(J)Z
            ifne 38
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        38: .line 446
      StackMap locals:
      StackMap stack:
            aload 5
            athrow
        end local 3 // long n
        39: .line 426
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.nio.ByteBuffer[] java.lang.Object
      StackMap stack: java.lang.Throwable
            aload 2
            monitorexit
        40: athrow
        end local 1 // java.nio.ByteBuffer[] bufs
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   41     0  this  Lsun/nio/ch/DatagramChannelImpl;
            0   41     1  bufs  [Ljava/nio/ByteBuffer;
           12   39     3     n  J
      Exception table:
        from    to  target  type
           4     8       9  any
           9    10       9  any
          12    14      32  any
          21    25      32  any
           3    20      39  any
          21    31      39  any
          32    40      39  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      bufs  

  public long write(java.nio.ByteBuffer[], int, int);
    descriptor: ([Ljava/nio/ByteBuffer;II)J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // java.nio.ByteBuffer[] srcs
        start local 2 // int offset
        start local 3 // int length
         0: .line 453
            iload 2 /* offset */
            iflt 1
            iload 3 /* length */
            iflt 1
            iload 2 /* offset */
            aload 1 /* srcs */
            arraylength
            iload 3 /* length */
            isub
            if_icmple 2
         1: .line 454
      StackMap locals:
      StackMap stack:
            new java.lang.IndexOutOfBoundsException
            dup
            invokespecial java.lang.IndexOutOfBoundsException.<init>:()V
            athrow
         2: .line 456
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* srcs */
            iload 2 /* offset */
            iload 3 /* length */
            invokestatic sun.nio.ch.Util.subsequence:([Ljava/nio/ByteBuffer;II)[Ljava/nio/ByteBuffer;
            invokevirtual sun.nio.ch.DatagramChannelImpl.write0:([Ljava/nio/ByteBuffer;)J
            lreturn
        end local 3 // int length
        end local 2 // int offset
        end local 1 // java.nio.ByteBuffer[] srcs
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lsun/nio/ch/DatagramChannelImpl;
            0    3     1    srcs  [Ljava/nio/ByteBuffer;
            0    3     2  offset  I
            0    3     3  length  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      srcs    
      offset  
      length  

  protected void implConfigureBlocking(boolean);
    descriptor: (Z)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // boolean block
         0: .line 460
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
            iload 1 /* block */
            invokestatic sun.nio.ch.IOUtil.configureBlocking:(Ljava/io/FileDescriptor;Z)V
         1: .line 461
            return
        end local 1 // boolean block
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lsun/nio/ch/DatagramChannelImpl;
            0    2     1  block  Z
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      block  

  public sun.nio.ch.SocketOpts options();
    descriptor: ()Lsun/nio/ch/SocketOpts;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=1
        start local 0 // sun.nio.ch.DatagramChannelImpl this
         0: .line 464
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.stateLock:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 465
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.options:Lsun/nio/ch/SocketOpts$IP;
            ifnonnull 5
         2: .line 467
            new sun.nio.ch.DatagramChannelImpl$1
            dup
            aload 0 /* this */
            invokespecial sun.nio.ch.DatagramChannelImpl$1.<init>:(Lsun/nio/ch/DatagramChannelImpl;)V
         3: .line 466
            astore 2 /* d */
        start local 2 // sun.nio.ch.SocketOptsImpl$Dispatcher d
         4: .line 481
            aload 0 /* this */
            new sun.nio.ch.SocketOptsImpl$IP
            dup
            aload 2 /* d */
            invokespecial sun.nio.ch.SocketOptsImpl$IP.<init>:(Lsun/nio/ch/SocketOptsImpl$Dispatcher;)V
            putfield sun.nio.ch.DatagramChannelImpl.options:Lsun/nio/ch/SocketOpts$IP;
        end local 2 // sun.nio.ch.SocketOptsImpl$Dispatcher d
         5: .line 483
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.options:Lsun/nio/ch/SocketOpts$IP;
            aload 1
            monitorexit
         6: areturn
         7: .line 464
      StackMap locals:
      StackMap stack: java.lang.Throwable
            aload 1
            monitorexit
         8: athrow
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Lsun/nio/ch/DatagramChannelImpl;
            4    5     2     d  Lsun/nio/ch/SocketOptsImpl$Dispatcher;
      Exception table:
        from    to  target  type
           1     6       7  any
           7     8       7  any

  public boolean isBound();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.nio.ch.DatagramChannelImpl this
         0: .line 488
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
            invokestatic sun.nio.ch.Net.localPortNumber:(Ljava/io/FileDescriptor;)I
            ifeq 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lsun/nio/ch/DatagramChannelImpl;

  public java.net.SocketAddress localAddress();
    descriptor: ()Ljava/net/SocketAddress;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=1
        start local 0 // sun.nio.ch.DatagramChannelImpl this
         0: .line 492
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.stateLock:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 493
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isConnected:()Z
            ifeq 3
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.localAddress:Ljava/net/InetSocketAddress;
            ifnonnull 3
         2: .line 496
            aload 0 /* this */
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
            invokestatic sun.nio.ch.Net.localAddress:(Ljava/io/FileDescriptor;)Ljava/net/InetSocketAddress;
            putfield sun.nio.ch.DatagramChannelImpl.localAddress:Ljava/net/InetSocketAddress;
         3: .line 498
      StackMap locals: java.lang.Object
      StackMap stack:
            invokestatic java.lang.System.getSecurityManager:()Ljava/lang/SecurityManager;
            astore 2 /* sm */
        start local 2 // java.lang.SecurityManager sm
         4: .line 499
            aload 2 /* sm */
            ifnull 7
         5: .line 500
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.localAddress:Ljava/net/InetSocketAddress;
            astore 3 /* isa */
        start local 3 // java.net.InetSocketAddress isa
         6: .line 501
            aload 2 /* sm */
            aload 3 /* isa */
            invokevirtual java.net.InetSocketAddress.getAddress:()Ljava/net/InetAddress;
            invokevirtual java.net.InetAddress.getHostAddress:()Ljava/lang/String;
            iconst_m1
            invokevirtual java.lang.SecurityManager.checkConnect:(Ljava/lang/String;I)V
        end local 3 // java.net.InetSocketAddress isa
         7: .line 503
      StackMap locals: java.lang.SecurityManager
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.localAddress:Ljava/net/InetSocketAddress;
            invokestatic sun.nio.ch.Net.getRevealedLocalAddress:(Ljava/net/InetSocketAddress;)Ljava/net/InetSocketAddress;
            aload 1
            monitorexit
         8: areturn
        end local 2 // java.lang.SecurityManager sm
         9: .line 492
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.lang.Object
      StackMap stack: java.lang.Throwable
            aload 1
            monitorexit
        10: athrow
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   11     0  this  Lsun/nio/ch/DatagramChannelImpl;
            4    9     2    sm  Ljava/lang/SecurityManager;
            6    7     3   isa  Ljava/net/InetSocketAddress;
      Exception table:
        from    to  target  type
           1     8       9  any
           9    10       9  any

  public java.net.SocketAddress remoteAddress();
    descriptor: ()Ljava/net/SocketAddress;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // sun.nio.ch.DatagramChannelImpl this
         0: .line 508
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.stateLock:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 509
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.remoteAddress:Ljava/net/InetSocketAddress;
            aload 1
            monitorexit
         2: areturn
         3: .line 508
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.lang.Object
      StackMap stack: java.lang.Throwable
            aload 1
            monitorexit
         4: athrow
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lsun/nio/ch/DatagramChannelImpl;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any

  public void bind(java.net.SocketAddress);
    descriptor: (Ljava/net/SocketAddress;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=11, args_size=2
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // java.net.SocketAddress local
         0: .line 514
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.readLock:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         1: .line 515
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.writeLock:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         2: .line 516
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.stateLock:Ljava/lang/Object;
            dup
            astore 4
            monitorenter
         3: .line 517
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.ensureOpen:()V
         4: .line 518
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isBound:()Z
            ifeq 6
         5: .line 519
            new sun.nio.ch.AlreadyBoundException
            dup
            invokespecial sun.nio.ch.AlreadyBoundException.<init>:()V
            athrow
         6: .line 520
      StackMap locals: java.lang.Object java.lang.Object java.lang.Object
      StackMap stack:
            aload 1 /* local */
            invokestatic sun.nio.ch.Net.checkAddress:(Ljava/net/SocketAddress;)Ljava/net/InetSocketAddress;
            astore 5 /* isa */
        start local 5 // java.net.InetSocketAddress isa
         7: .line 521
            invokestatic java.lang.System.getSecurityManager:()Ljava/lang/SecurityManager;
            astore 6 /* sm */
        start local 6 // java.lang.SecurityManager sm
         8: .line 522
            aload 6 /* sm */
            ifnull 10
         9: .line 523
            aload 6 /* sm */
            aload 5 /* isa */
            invokevirtual java.net.InetSocketAddress.getPort:()I
            invokevirtual java.lang.SecurityManager.checkListen:(I)V
        10: .line 524
      StackMap locals: java.net.InetSocketAddress java.lang.SecurityManager
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
            aload 5 /* isa */
            invokevirtual java.net.InetSocketAddress.getAddress:()Ljava/net/InetAddress;
            aload 5 /* isa */
            invokevirtual java.net.InetSocketAddress.getPort:()I
            invokestatic sun.nio.ch.Net.bind:(Ljava/io/FileDescriptor;Ljava/net/InetAddress;I)V
        11: .line 525
            aload 0 /* this */
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
            invokestatic sun.nio.ch.Net.localAddress:(Ljava/io/FileDescriptor;)Ljava/net/InetSocketAddress;
            putfield sun.nio.ch.DatagramChannelImpl.localAddress:Ljava/net/InetSocketAddress;
        12: .line 528
            iconst_0
            istore 7 /* blocking */
        start local 7 // boolean blocking
        13: .line 529
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.blockingLock:()Ljava/lang/Object;
            dup
            astore 8
            monitorenter
        14: .line 531
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isBlocking:()Z
            istore 7 /* blocking */
        15: .line 533
            iconst_1
            invokestatic java.nio.ByteBuffer.allocate:(I)Ljava/nio/ByteBuffer;
            astore 9 /* tmpBuf */
        start local 9 // java.nio.ByteBuffer tmpBuf
        16: .line 534
            iload 7 /* blocking */
            ifeq 18
        17: .line 535
            aload 0 /* this */
            iconst_0
            invokevirtual sun.nio.ch.DatagramChannelImpl.configureBlocking:(Z)Ljava/nio/channels/SelectableChannel;
            pop
        18: .line 538
      StackMap locals: int java.lang.Object java.nio.ByteBuffer
      StackMap stack:
            aload 9 /* tmpBuf */
            invokevirtual java.nio.ByteBuffer.clear:()Ljava/nio/Buffer;
            pop
        19: .line 539
            aload 0 /* this */
            aload 9 /* tmpBuf */
            invokevirtual sun.nio.ch.DatagramChannelImpl.receive:(Ljava/nio/ByteBuffer;)Ljava/net/SocketAddress;
            ifnonnull 18
        end local 9 // java.nio.ByteBuffer tmpBuf
        20: .line 540
            goto 25
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.net.SocketAddress java.lang.Object java.lang.Object java.lang.Object java.net.InetSocketAddress java.lang.SecurityManager int java.lang.Object
      StackMap stack: java.lang.Throwable
        21: astore 10
        22: .line 541
            iload 7 /* blocking */
            ifeq 24
        23: .line 542
            aload 0 /* this */
            iconst_1
            invokevirtual sun.nio.ch.DatagramChannelImpl.configureBlocking:(Z)Ljava/nio/channels/SelectableChannel;
            pop
        24: .line 544
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.net.SocketAddress java.lang.Object java.lang.Object java.lang.Object java.net.InetSocketAddress java.lang.SecurityManager int java.lang.Object top java.lang.Throwable
      StackMap stack:
            aload 10
            athrow
        25: .line 541
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.net.SocketAddress java.lang.Object java.lang.Object java.lang.Object java.net.InetSocketAddress java.lang.SecurityManager int java.lang.Object
      StackMap stack:
            iload 7 /* blocking */
            ifeq 27
        26: .line 542
            aload 0 /* this */
            iconst_1
            invokevirtual sun.nio.ch.DatagramChannelImpl.configureBlocking:(Z)Ljava/nio/channels/SelectableChannel;
            pop
        27: .line 529
      StackMap locals:
      StackMap stack:
            aload 8
            monitorexit
        28: goto 31
      StackMap locals:
      StackMap stack: java.lang.Throwable
        29: aload 8
            monitorexit
        30: athrow
        end local 7 // boolean blocking
        end local 6 // java.lang.SecurityManager sm
        end local 5 // java.net.InetSocketAddress isa
        31: .line 516
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.net.SocketAddress java.lang.Object java.lang.Object java.lang.Object
      StackMap stack:
            aload 4
            monitorexit
        32: goto 35
      StackMap locals:
      StackMap stack: java.lang.Throwable
        33: aload 4
            monitorexit
        34: athrow
        35: .line 515
      StackMap locals:
      StackMap stack:
            aload 3
            monitorexit
        36: goto 39
      StackMap locals:
      StackMap stack: java.lang.Throwable
        37: aload 3
            monitorexit
        38: athrow
        39: .line 514
      StackMap locals:
      StackMap stack:
            aload 2
            monitorexit
        40: goto 43
      StackMap locals:
      StackMap stack: java.lang.Throwable
        41: aload 2
            monitorexit
        42: athrow
        43: .line 549
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.net.SocketAddress local
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   44     0      this  Lsun/nio/ch/DatagramChannelImpl;
            0   44     1     local  Ljava/net/SocketAddress;
            7   31     5       isa  Ljava/net/InetSocketAddress;
            8   31     6        sm  Ljava/lang/SecurityManager;
           13   31     7  blocking  Z
           16   20     9    tmpBuf  Ljava/nio/ByteBuffer;
      Exception table:
        from    to  target  type
          14    21      21  any
          14    28      29  any
          29    30      29  any
           3    32      33  any
          33    34      33  any
           2    36      37  any
          37    38      37  any
           1    40      41  any
          41    42      41  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      local  

  public boolean isConnected();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // sun.nio.ch.DatagramChannelImpl this
         0: .line 552
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.stateLock:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 553
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.state:I
            getstatic sun.nio.ch.DatagramChannelImpl.ST_CONNECTED:I
            if_icmpne 2
            iconst_1
            goto 3
      StackMap locals: java.lang.Object
      StackMap stack:
         2: iconst_0
      StackMap locals:
      StackMap stack: int
         3: aload 1
            monitorexit
         4: ireturn
         5: .line 552
      StackMap locals:
      StackMap stack: java.lang.Throwable
            aload 1
            monitorexit
         6: athrow
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lsun/nio/ch/DatagramChannelImpl;
      Exception table:
        from    to  target  type
           1     4       5  any
           5     6       5  any

  void ensureOpenAndUnconnected();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // sun.nio.ch.DatagramChannelImpl this
         0: .line 558
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.stateLock:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 559
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isOpen:()Z
            ifne 3
         2: .line 560
            new java.nio.channels.ClosedChannelException
            dup
            invokespecial java.nio.channels.ClosedChannelException.<init>:()V
            athrow
         3: .line 561
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.state:I
            getstatic sun.nio.ch.DatagramChannelImpl.ST_UNCONNECTED:I
            if_icmpeq 5
         4: .line 562
            new java.lang.IllegalStateException
            dup
            ldc "Connect already invoked"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 558
      StackMap locals:
      StackMap stack:
            aload 1
            monitorexit
         6: goto 9
      StackMap locals:
      StackMap stack: java.lang.Throwable
         7: aload 1
            monitorexit
         8: athrow
         9: .line 564
      StackMap locals:
      StackMap stack:
            return
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   10     0  this  Lsun/nio/ch/DatagramChannelImpl;
      Exception table:
        from    to  target  type
           1     6       7  any
           7     8       7  any
    Exceptions:
      throws java.io.IOException

  public java.nio.channels.DatagramChannel connect(java.net.SocketAddress);
    descriptor: (Ljava/net/SocketAddress;)Ljava/nio/channels/DatagramChannel;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=9, args_size=2
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // java.net.SocketAddress sa
         0: .line 568
            iconst_0
            istore 2 /* trafficClass */
        start local 2 // int trafficClass
         1: .line 571
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.readLock:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         2: .line 572
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.writeLock:Ljava/lang/Object;
            dup
            astore 4
            monitorenter
         3: .line 573
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.stateLock:Ljava/lang/Object;
            dup
            astore 5
            monitorenter
         4: .line 574
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.ensureOpenAndUnconnected:()V
         5: .line 575
            aload 1 /* sa */
            invokestatic sun.nio.ch.Net.checkAddress:(Ljava/net/SocketAddress;)Ljava/net/InetSocketAddress;
            astore 6 /* isa */
        start local 6 // java.net.InetSocketAddress isa
         6: .line 576
            invokestatic java.lang.System.getSecurityManager:()Ljava/lang/SecurityManager;
            astore 7 /* sm */
        start local 7 // java.lang.SecurityManager sm
         7: .line 577
            aload 7 /* sm */
            ifnull 11
         8: .line 578
            aload 7 /* sm */
            aload 6 /* isa */
            invokevirtual java.net.InetSocketAddress.getAddress:()Ljava/net/InetAddress;
            invokevirtual java.net.InetAddress.getHostAddress:()Ljava/lang/String;
         9: .line 579
            aload 6 /* isa */
            invokevirtual java.net.InetSocketAddress.getPort:()I
        10: .line 578
            invokevirtual java.lang.SecurityManager.checkConnect:(Ljava/lang/String;I)V
        11: .line 580
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.net.SocketAddress int java.lang.Object java.lang.Object java.lang.Object java.net.InetSocketAddress java.lang.SecurityManager
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
        12: .line 581
            aload 6 /* isa */
            invokevirtual java.net.InetSocketAddress.getAddress:()Ljava/net/InetAddress;
        13: .line 582
            aload 6 /* isa */
            invokevirtual java.net.InetSocketAddress.getPort:()I
        14: .line 583
            iload 2 /* trafficClass */
        15: .line 580
            invokestatic sun.nio.ch.Net.connect:(Ljava/io/FileDescriptor;Ljava/net/InetAddress;II)I
            istore 8 /* n */
        start local 8 // int n
        16: .line 584
            iload 8 /* n */
            ifgt 18
        17: .line 585
            new java.lang.Error
            dup
            invokespecial java.lang.Error.<init>:()V
            athrow
        18: .line 588
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getstatic sun.nio.ch.DatagramChannelImpl.ST_CONNECTED:I
            putfield sun.nio.ch.DatagramChannelImpl.state:I
        19: .line 589
            aload 0 /* this */
            aload 6 /* isa */
            putfield sun.nio.ch.DatagramChannelImpl.remoteAddress:Ljava/net/InetSocketAddress;
        20: .line 590
            aload 0 /* this */
            aload 6 /* isa */
            putfield sun.nio.ch.DatagramChannelImpl.sender:Ljava/net/SocketAddress;
        21: .line 591
            aload 0 /* this */
            aload 6 /* isa */
            invokevirtual java.net.InetSocketAddress.getAddress:()Ljava/net/InetAddress;
            putfield sun.nio.ch.DatagramChannelImpl.cachedSenderInetAddress:Ljava/net/InetAddress;
        22: .line 592
            aload 0 /* this */
            aload 6 /* isa */
            invokevirtual java.net.InetSocketAddress.getPort:()I
            putfield sun.nio.ch.DatagramChannelImpl.cachedSenderPort:I
        end local 8 // int n
        end local 7 // java.lang.SecurityManager sm
        end local 6 // java.net.InetSocketAddress isa
        23: .line 573
            aload 5
            monitorexit
        24: goto 27
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.net.SocketAddress int java.lang.Object java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
        25: aload 5
            monitorexit
        26: athrow
        27: .line 572
      StackMap locals:
      StackMap stack:
            aload 4
            monitorexit
        28: goto 31
      StackMap locals:
      StackMap stack: java.lang.Throwable
        29: aload 4
            monitorexit
        30: athrow
        31: .line 571
      StackMap locals:
      StackMap stack:
            aload 3
            monitorexit
        32: goto 35
      StackMap locals:
      StackMap stack: java.lang.Throwable
        33: aload 3
            monitorexit
        34: athrow
        35: .line 596
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            areturn
        end local 2 // int trafficClass
        end local 1 // java.net.SocketAddress sa
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0   36     0          this  Lsun/nio/ch/DatagramChannelImpl;
            0   36     1            sa  Ljava/net/SocketAddress;
            1   36     2  trafficClass  I
            6   23     6           isa  Ljava/net/InetSocketAddress;
            7   23     7            sm  Ljava/lang/SecurityManager;
           16   23     8             n  I
      Exception table:
        from    to  target  type
           4    24      25  any
          25    26      25  any
           3    28      29  any
          29    30      29  any
           2    32      33  any
          33    34      33  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      sa    

  public java.nio.channels.DatagramChannel disconnect();
    descriptor: ()Ljava/nio/channels/DatagramChannel;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=6, args_size=1
        start local 0 // sun.nio.ch.DatagramChannelImpl this
         0: .line 600
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.readLock:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 601
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.writeLock:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         2: .line 602
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.stateLock:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         3: .line 603
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isConnected:()Z
            ifeq 4
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isOpen:()Z
            ifne 8
         4: .line 604
      StackMap locals: java.lang.Object java.lang.Object java.lang.Object
      StackMap stack:
            aload 0 /* this */
            aload 3
            monitorexit
         5: aload 2
            monitorexit
         6: aload 1
            monitorexit
         7: areturn
         8: .line 605
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.remoteAddress:Ljava/net/InetSocketAddress;
            astore 4 /* isa */
        start local 4 // java.net.InetSocketAddress isa
         9: .line 606
            invokestatic java.lang.System.getSecurityManager:()Ljava/lang/SecurityManager;
            astore 5 /* sm */
        start local 5 // java.lang.SecurityManager sm
        10: .line 607
            aload 5 /* sm */
            ifnull 14
        11: .line 608
            aload 5 /* sm */
            aload 4 /* isa */
            invokevirtual java.net.InetSocketAddress.getAddress:()Ljava/net/InetAddress;
            invokevirtual java.net.InetAddress.getHostAddress:()Ljava/lang/String;
        12: .line 609
            aload 4 /* isa */
            invokevirtual java.net.InetSocketAddress.getPort:()I
        13: .line 608
            invokevirtual java.lang.SecurityManager.checkConnect:(Ljava/lang/String;I)V
        14: .line 610
      StackMap locals: java.net.InetSocketAddress java.lang.SecurityManager
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
            invokestatic sun.nio.ch.DatagramChannelImpl.disconnect0:(Ljava/io/FileDescriptor;)V
        15: .line 611
            aload 0 /* this */
            aconst_null
            putfield sun.nio.ch.DatagramChannelImpl.remoteAddress:Ljava/net/InetSocketAddress;
        16: .line 612
            aload 0 /* this */
            getstatic sun.nio.ch.DatagramChannelImpl.ST_UNCONNECTED:I
            putfield sun.nio.ch.DatagramChannelImpl.state:I
        end local 5 // java.lang.SecurityManager sm
        end local 4 // java.net.InetSocketAddress isa
        17: .line 602
            aload 3
            monitorexit
        18: goto 21
      StackMap locals: sun.nio.ch.DatagramChannelImpl java.lang.Object java.lang.Object java.lang.Object
      StackMap stack: java.lang.Throwable
        19: aload 3
            monitorexit
        20: athrow
        21: .line 601
      StackMap locals:
      StackMap stack:
            aload 2
            monitorexit
        22: goto 25
      StackMap locals:
      StackMap stack: java.lang.Throwable
        23: aload 2
            monitorexit
        24: athrow
        25: .line 600
      StackMap locals:
      StackMap stack:
            aload 1
            monitorexit
        26: goto 29
      StackMap locals:
      StackMap stack: java.lang.Throwable
        27: aload 1
            monitorexit
        28: athrow
        29: .line 616
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            areturn
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   30     0  this  Lsun/nio/ch/DatagramChannelImpl;
            9   17     4   isa  Ljava/net/InetSocketAddress;
           10   17     5    sm  Ljava/lang/SecurityManager;
      Exception table:
        from    to  target  type
           3     5      19  any
           8    18      19  any
          19    20      19  any
           2     6      23  any
           8    22      23  any
          23    24      23  any
           1     7      27  any
           8    26      27  any
          27    28      27  any
    Exceptions:
      throws java.io.IOException

  protected void implCloseSelectableChannel();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=4, args_size=1
        start local 0 // sun.nio.ch.DatagramChannelImpl this
         0: .line 620
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.stateLock:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 621
            getstatic sun.nio.ch.DatagramChannelImpl.nd:Lsun/nio/ch/NativeDispatcher;
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
            invokevirtual sun.nio.ch.NativeDispatcher.preClose:(Ljava/io/FileDescriptor;)V
         2: .line 622
            invokestatic sun.net.ResourceManager.afterUdpClose:()V
         3: .line 624
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.readerThread:J
            dup2
            lstore 2 /* th */
        start local 2 // long th
         4: lconst_0
            lcmp
            ifeq 6
         5: .line 625
            lload 2 /* th */
            invokestatic sun.nio.ch.NativeThread.signal:(J)V
         6: .line 626
      StackMap locals: java.lang.Object long
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.writerThread:J
            dup2
            lstore 2 /* th */
            lconst_0
            lcmp
            ifeq 8
         7: .line 627
            lload 2 /* th */
            invokestatic sun.nio.ch.NativeThread.signal:(J)V
         8: .line 628
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isRegistered:()Z
            ifne 10
         9: .line 629
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.kill:()V
        end local 2 // long th
        10: .line 620
      StackMap locals:
      StackMap stack:
            aload 1
            monitorexit
        11: goto 14
      StackMap locals:
      StackMap stack: java.lang.Throwable
        12: aload 1
            monitorexit
        13: athrow
        14: .line 631
      StackMap locals:
      StackMap stack:
            return
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   15     0  this  Lsun/nio/ch/DatagramChannelImpl;
            4   10     2    th  J
      Exception table:
        from    to  target  type
           1    11      12  any
          12    13      12  any
    Exceptions:
      throws java.io.IOException

  public void kill();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // sun.nio.ch.DatagramChannelImpl this
         0: .line 634
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.stateLock:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 635
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.state:I
            iconst_2
            if_icmpne 4
         2: .line 636
            aload 1
            monitorexit
         3: return
         4: .line 637
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.state:I
            iconst_m1
            if_icmpne 8
         5: .line 638
            aload 0 /* this */
            iconst_2
            putfield sun.nio.ch.DatagramChannelImpl.state:I
         6: .line 639
            aload 1
            monitorexit
         7: return
         8: .line 641
      StackMap locals:
      StackMap stack:
            getstatic sun.nio.ch.DatagramChannelImpl.$assertionsDisabled:Z
            ifne 10
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isOpen:()Z
            ifne 9
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.isRegistered:()Z
            ifeq 10
      StackMap locals:
      StackMap stack:
         9: new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        10: .line 642
      StackMap locals:
      StackMap stack:
            getstatic sun.nio.ch.DatagramChannelImpl.nd:Lsun/nio/ch/NativeDispatcher;
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
            invokevirtual sun.nio.ch.NativeDispatcher.close:(Ljava/io/FileDescriptor;)V
        11: .line 643
            aload 0 /* this */
            iconst_2
            putfield sun.nio.ch.DatagramChannelImpl.state:I
        12: .line 634
            aload 1
            monitorexit
        13: goto 16
      StackMap locals:
      StackMap stack: java.lang.Throwable
        14: aload 1
            monitorexit
        15: athrow
        16: .line 645
      StackMap locals:
      StackMap stack:
            return
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   17     0  this  Lsun/nio/ch/DatagramChannelImpl;
      Exception table:
        from    to  target  type
           1     3      14  any
           4     7      14  any
           8    13      14  any
          14    15      14  any
    Exceptions:
      throws java.io.IOException

  protected void finalize();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.nio.ch.DatagramChannelImpl this
         0: .line 649
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
            ifnull 2
         1: .line 650
            aload 0 /* this */
            invokevirtual sun.nio.ch.DatagramChannelImpl.close:()V
         2: .line 651
      StackMap locals:
      StackMap stack:
            return
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lsun/nio/ch/DatagramChannelImpl;
    Exceptions:
      throws java.io.IOException

  public boolean translateReadyOps(int, int, sun.nio.ch.SelectionKeyImpl);
    descriptor: (IILsun/nio/ch/SelectionKeyImpl;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=7, args_size=4
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // int ops
        start local 2 // int initialOps
        start local 3 // sun.nio.ch.SelectionKeyImpl sk
         0: .line 658
            aload 3 /* sk */
            invokevirtual sun.nio.ch.SelectionKeyImpl.nioInterestOps:()I
            istore 4 /* intOps */
        start local 4 // int intOps
         1: .line 659
            aload 3 /* sk */
            invokevirtual sun.nio.ch.SelectionKeyImpl.nioReadyOps:()I
            istore 5 /* oldOps */
        start local 5 // int oldOps
         2: .line 660
            iload 2 /* initialOps */
            istore 6 /* newOps */
        start local 6 // int newOps
         3: .line 662
            iload 1 /* ops */
            bipush 32
            iand
            ifeq 5
         4: .line 666
            iconst_0
            ireturn
         5: .line 669
      StackMap locals: int int int
      StackMap stack:
            iload 1 /* ops */
            bipush 24
            iand
            ifeq 10
         6: .line 671
            iload 4 /* intOps */
            istore 6 /* newOps */
         7: .line 672
            aload 3 /* sk */
            iload 6 /* newOps */
            invokevirtual sun.nio.ch.SelectionKeyImpl.nioReadyOps:(I)V
         8: .line 673
            iload 6 /* newOps */
            iload 5 /* oldOps */
            iconst_m1
            ixor
            iand
            ifeq 9
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         9: iconst_0
            ireturn
        10: .line 676
      StackMap locals:
      StackMap stack:
            iload 1 /* ops */
            iconst_1
            iand
            ifeq 13
        11: .line 677
            iload 4 /* intOps */
            iconst_1
            iand
            ifeq 13
        12: .line 678
            iload 6 /* newOps */
            iconst_1
            ior
            istore 6 /* newOps */
        13: .line 680
      StackMap locals:
      StackMap stack:
            iload 1 /* ops */
            iconst_4
            iand
            ifeq 16
        14: .line 681
            iload 4 /* intOps */
            iconst_4
            iand
            ifeq 16
        15: .line 682
            iload 6 /* newOps */
            iconst_4
            ior
            istore 6 /* newOps */
        16: .line 684
      StackMap locals:
      StackMap stack:
            aload 3 /* sk */
            iload 6 /* newOps */
            invokevirtual sun.nio.ch.SelectionKeyImpl.nioReadyOps:(I)V
        17: .line 685
            iload 6 /* newOps */
            iload 5 /* oldOps */
            iconst_m1
            ixor
            iand
            ifeq 18
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
        18: iconst_0
            ireturn
        end local 6 // int newOps
        end local 5 // int oldOps
        end local 4 // int intOps
        end local 3 // sun.nio.ch.SelectionKeyImpl sk
        end local 2 // int initialOps
        end local 1 // int ops
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   19     0        this  Lsun/nio/ch/DatagramChannelImpl;
            0   19     1         ops  I
            0   19     2  initialOps  I
            0   19     3          sk  Lsun/nio/ch/SelectionKeyImpl;
            1   19     4      intOps  I
            2   19     5      oldOps  I
            3   19     6      newOps  I
    MethodParameters:
            Name  Flags
      ops         
      initialOps  
      sk          

  public boolean translateAndUpdateReadyOps(int, sun.nio.ch.SelectionKeyImpl);
    descriptor: (ILsun/nio/ch/SelectionKeyImpl;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // int ops
        start local 2 // sun.nio.ch.SelectionKeyImpl sk
         0: .line 689
            aload 0 /* this */
            iload 1 /* ops */
            aload 2 /* sk */
            invokevirtual sun.nio.ch.SelectionKeyImpl.nioReadyOps:()I
            aload 2 /* sk */
            invokevirtual sun.nio.ch.DatagramChannelImpl.translateReadyOps:(IILsun/nio/ch/SelectionKeyImpl;)Z
            ireturn
        end local 2 // sun.nio.ch.SelectionKeyImpl sk
        end local 1 // int ops
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/nio/ch/DatagramChannelImpl;
            0    1     1   ops  I
            0    1     2    sk  Lsun/nio/ch/SelectionKeyImpl;
    MethodParameters:
      Name  Flags
      ops   
      sk    

  public boolean translateAndSetReadyOps(int, sun.nio.ch.SelectionKeyImpl);
    descriptor: (ILsun/nio/ch/SelectionKeyImpl;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // int ops
        start local 2 // sun.nio.ch.SelectionKeyImpl sk
         0: .line 693
            aload 0 /* this */
            iload 1 /* ops */
            iconst_0
            aload 2 /* sk */
            invokevirtual sun.nio.ch.DatagramChannelImpl.translateReadyOps:(IILsun/nio/ch/SelectionKeyImpl;)Z
            ireturn
        end local 2 // sun.nio.ch.SelectionKeyImpl sk
        end local 1 // int ops
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/nio/ch/DatagramChannelImpl;
            0    1     1   ops  I
            0    1     2    sk  Lsun/nio/ch/SelectionKeyImpl;
    MethodParameters:
      Name  Flags
      ops   
      sk    

  public void translateAndSetInterestOps(int, sun.nio.ch.SelectionKeyImpl);
    descriptor: (ILsun/nio/ch/SelectionKeyImpl;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // sun.nio.ch.DatagramChannelImpl this
        start local 1 // int ops
        start local 2 // sun.nio.ch.SelectionKeyImpl sk
         0: .line 700
            iconst_0
            istore 3 /* newOps */
        start local 3 // int newOps
         1: .line 702
            iload 1 /* ops */
            iconst_1
            iand
            ifeq 3
         2: .line 703
            iload 3 /* newOps */
            iconst_1
            ior
            istore 3 /* newOps */
         3: .line 704
      StackMap locals: int
      StackMap stack:
            iload 1 /* ops */
            iconst_4
            iand
            ifeq 5
         4: .line 705
            iload 3 /* newOps */
            iconst_4
            ior
            istore 3 /* newOps */
         5: .line 706
      StackMap locals:
      StackMap stack:
            iload 1 /* ops */
            bipush 8
            iand
            ifeq 7
         6: .line 707
            iload 3 /* newOps */
            iconst_1
            ior
            istore 3 /* newOps */
         7: .line 708
      StackMap locals:
      StackMap stack:
            aload 2 /* sk */
            getfield sun.nio.ch.SelectionKeyImpl.selector:Lsun/nio/ch/SelectorImpl;
            aload 2 /* sk */
            iload 3 /* newOps */
            invokevirtual sun.nio.ch.SelectorImpl.putEventOps:(Lsun/nio/ch/SelectionKeyImpl;I)V
         8: .line 709
            return
        end local 3 // int newOps
        end local 2 // sun.nio.ch.SelectionKeyImpl sk
        end local 1 // int ops
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    9     0    this  Lsun/nio/ch/DatagramChannelImpl;
            0    9     1     ops  I
            0    9     2      sk  Lsun/nio/ch/SelectionKeyImpl;
            1    9     3  newOps  I
    MethodParameters:
      Name  Flags
      ops   
      sk    

  public java.io.FileDescriptor getFD();
    descriptor: ()Ljava/io/FileDescriptor;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.nio.ch.DatagramChannelImpl this
         0: .line 712
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fd:Ljava/io/FileDescriptor;
            areturn
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/nio/ch/DatagramChannelImpl;

  public int getFDVal();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.nio.ch.DatagramChannelImpl this
         0: .line 716
            aload 0 /* this */
            getfield sun.nio.ch.DatagramChannelImpl.fdVal:I
            ireturn
        end local 0 // sun.nio.ch.DatagramChannelImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/nio/ch/DatagramChannelImpl;

  private static native void initIDs();
    descriptor: ()V
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE

  private static native void disconnect0(java.io.FileDescriptor);
    descriptor: (Ljava/io/FileDescriptor;)V
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      fd    

  private native int receive0(java.io.FileDescriptor, long, int, boolean);
    descriptor: (Ljava/io/FileDescriptor;JIZ)I
    flags: (0x0102) ACC_PRIVATE, ACC_NATIVE
    Exceptions:
      throws java.io.IOException
    MethodParameters:
           Name  Flags
      fd         
      address    
      len        
      connected  

  private native int send0(java.io.FileDescriptor, long, int, java.net.InetAddress, int);
    descriptor: (Ljava/io/FileDescriptor;JILjava/net/InetAddress;I)I
    flags: (0x0102) ACC_PRIVATE, ACC_NATIVE
    Exceptions:
      throws java.io.IOException
    MethodParameters:
         Name  Flags
      fd       
      address  
      len      
      addr     
      port     
}
SourceFile: "DatagramChannelImpl.java"
NestMembers:
  sun.nio.ch.DatagramChannelImpl$1
InnerClasses:
  sun.nio.ch.DatagramChannelImpl$1
  public abstract IP = sun.nio.ch.SocketOpts$IP of sun.nio.ch.SocketOpts
  abstract Dispatcher = sun.nio.ch.SocketOptsImpl$Dispatcher of sun.nio.ch.SocketOptsImpl
  IP = sun.nio.ch.SocketOptsImpl$IP of sun.nio.ch.SocketOptsImpl