http://netty.io/netty-all/: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers and clients. (The Netty Project) 
public final class io.netty.channel.nio.NioEventLoop extends io.netty.channel.SingleThreadEventLoop
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: io.netty.channel.nio.NioEventLoop
  super_class: io.netty.channel.SingleThreadEventLoop
{
  private static final io.netty.util.internal.logging.InternalLogger logger;
    descriptor: Lio/netty/util/internal/logging/InternalLogger;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final int CLEANUP_INTERVAL;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 256

  private static final boolean DISABLE_KEYSET_OPTIMIZATION;
    descriptor: Z
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final int MIN_PREMATURE_SELECTOR_RETURNS;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 3

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

  private final io.netty.util.IntSupplier selectNowSupplier;
    descriptor: Lio/netty/util/IntSupplier;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.concurrent.Callable<java.lang.Integer> pendingTasksCallable;
    descriptor: Ljava/util/concurrent/Callable;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/concurrent/Callable<Ljava/lang/Integer;>;

  static final long MAX_SCHEDULED_DAYS;
    descriptor: J
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 1095

  private java.nio.channels.Selector selector;
    descriptor: Ljava/nio/channels/Selector;
    flags: (0x0002) ACC_PRIVATE

  private java.nio.channels.Selector unwrappedSelector;
    descriptor: Ljava/nio/channels/Selector;
    flags: (0x0002) ACC_PRIVATE

  private io.netty.channel.nio.SelectedSelectionKeySet selectedKeys;
    descriptor: Lio/netty/channel/nio/SelectedSelectionKeySet;
    flags: (0x0002) ACC_PRIVATE

  private final java.nio.channels.spi.SelectorProvider provider;
    descriptor: Ljava/nio/channels/spi/SelectorProvider;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.concurrent.atomic.AtomicBoolean wakenUp;
    descriptor: Ljava/util/concurrent/atomic/AtomicBoolean;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final io.netty.channel.SelectStrategy selectStrategy;
    descriptor: Lio/netty/channel/SelectStrategy;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private volatile int ioRatio;
    descriptor: I
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

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

  private boolean needsToSelectAgain;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=2, args_size=0
         0: .line 58
            ldc Lio/netty/channel/nio/NioEventLoop;
            invokestatic io.netty.util.internal.logging.InternalLoggerFactory.getInstance:(Ljava/lang/Class;)Lio/netty/util/internal/logging/InternalLogger;
            putstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
         1: .line 63
            ldc "io.netty.noKeySetOptimization"
            iconst_0
            invokestatic io.netty.util.internal.SystemPropertyUtil.getBoolean:(Ljava/lang/String;Z)Z
         2: .line 62
            putstatic io.netty.channel.nio.NioEventLoop.DISABLE_KEYSET_OPTIMIZATION:Z
         3: .line 88
            ldc "sun.nio.ch.bugLevel"
            invokestatic io.netty.util.internal.SystemPropertyUtil.get:(Ljava/lang/String;)Ljava/lang/String;
            astore 0 /* buglevel */
        start local 0 // java.lang.String buglevel
         4: .line 89
            aload 0 /* buglevel */
            ifnonnull 9
         5: .line 91
            new io.netty.channel.nio.NioEventLoop$3
            dup
            invokespecial io.netty.channel.nio.NioEventLoop$3.<init>:()V
            invokestatic java.security.AccessController.doPrivileged:(Ljava/security/PrivilegedAction;)Ljava/lang/Object;
            pop
         6: .line 98
            goto 9
      StackMap locals: java.lang.String
      StackMap stack: java.lang.SecurityException
         7: astore 1 /* e */
        start local 1 // java.lang.SecurityException e
         8: .line 99
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "Unable to get/set System Property: sun.nio.ch.bugLevel"
            aload 1 /* e */
            invokeinterface io.netty.util.internal.logging.InternalLogger.debug:(Ljava/lang/String;Ljava/lang/Throwable;)V
        end local 1 // java.lang.SecurityException e
         9: .line 103
      StackMap locals:
      StackMap stack:
            ldc "io.netty.selectorAutoRebuildThreshold"
            sipush 512
            invokestatic io.netty.util.internal.SystemPropertyUtil.getInt:(Ljava/lang/String;I)I
            istore 1 /* selectorAutoRebuildThreshold */
        start local 1 // int selectorAutoRebuildThreshold
        10: .line 104
            iload 1 /* selectorAutoRebuildThreshold */
            iconst_3
            if_icmpge 12
        11: .line 105
            iconst_0
            istore 1 /* selectorAutoRebuildThreshold */
        12: .line 108
      StackMap locals: int
      StackMap stack:
            iload 1 /* selectorAutoRebuildThreshold */
            putstatic io.netty.channel.nio.NioEventLoop.SELECTOR_AUTO_REBUILD_THRESHOLD:I
        13: .line 110
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            invokeinterface io.netty.util.internal.logging.InternalLogger.isDebugEnabled:()Z
            ifeq 16
        14: .line 111
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "-Dio.netty.noKeySetOptimization: {}"
            getstatic io.netty.channel.nio.NioEventLoop.DISABLE_KEYSET_OPTIMIZATION:Z
            invokestatic java.lang.Boolean.valueOf:(Z)Ljava/lang/Boolean;
            invokeinterface io.netty.util.internal.logging.InternalLogger.debug:(Ljava/lang/String;Ljava/lang/Object;)V
        15: .line 112
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "-Dio.netty.selectorAutoRebuildThreshold: {}"
            getstatic io.netty.channel.nio.NioEventLoop.SELECTOR_AUTO_REBUILD_THRESHOLD:I
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface io.netty.util.internal.logging.InternalLogger.debug:(Ljava/lang/String;Ljava/lang/Object;)V
        end local 1 // int selectorAutoRebuildThreshold
        end local 0 // java.lang.String buglevel
        16: .line 116
      StackMap locals:
      StackMap stack:
            return
      LocalVariableTable:
        Start  End  Slot                          Name  Signature
            4   16     0                      buglevel  Ljava/lang/String;
            8    9     1                             e  Ljava/lang/SecurityException;
           10   16     1  selectorAutoRebuildThreshold  I
      Exception table:
        from    to  target  type
           5     6       7  Class java.lang.SecurityException

  void <init>(io.netty.channel.nio.NioEventLoopGroup, java.util.concurrent.Executor, java.nio.channels.spi.SelectorProvider, io.netty.channel.SelectStrategy, io.netty.util.concurrent.RejectedExecutionHandler);
    descriptor: (Lio/netty/channel/nio/NioEventLoopGroup;Ljava/util/concurrent/Executor;Ljava/nio/channels/spi/SelectorProvider;Lio/netty/channel/SelectStrategy;Lio/netty/util/concurrent/RejectedExecutionHandler;)V
    flags: (0x0000) 
    Code:
      stack=6, locals=7, args_size=6
        start local 0 // io.netty.channel.nio.NioEventLoop this
        start local 1 // io.netty.channel.nio.NioEventLoopGroup parent
        start local 2 // java.util.concurrent.Executor executor
        start local 3 // java.nio.channels.spi.SelectorProvider selectorProvider
        start local 4 // io.netty.channel.SelectStrategy strategy
        start local 5 // io.netty.util.concurrent.RejectedExecutionHandler rejectedExecutionHandler
         0: .line 143
            aload 0 /* this */
            aload 1 /* parent */
            aload 2 /* executor */
            iconst_0
            getstatic io.netty.channel.nio.NioEventLoop.DEFAULT_MAX_PENDING_TASKS:I
            aload 5 /* rejectedExecutionHandler */
            invokespecial io.netty.channel.SingleThreadEventLoop.<init>:(Lio/netty/channel/EventLoopGroup;Ljava/util/concurrent/Executor;ZILio/netty/util/concurrent/RejectedExecutionHandler;)V
         1: .line 68
            aload 0 /* this */
            new io.netty.channel.nio.NioEventLoop$1
            dup
            aload 0 /* this */
            invokespecial io.netty.channel.nio.NioEventLoop$1.<init>:(Lio/netty/channel/nio/NioEventLoop;)V
            putfield io.netty.channel.nio.NioEventLoop.selectNowSupplier:Lio/netty/util/IntSupplier;
         2: .line 74
            aload 0 /* this */
            new io.netty.channel.nio.NioEventLoop$2
            dup
            aload 0 /* this */
            invokespecial io.netty.channel.nio.NioEventLoop$2.<init>:(Lio/netty/channel/nio/NioEventLoop;)V
            putfield io.netty.channel.nio.NioEventLoop.pendingTasksCallable:Ljava/util/concurrent/Callable;
         3: .line 133
            aload 0 /* this */
            new java.util.concurrent.atomic.AtomicBoolean
            dup
            invokespecial java.util.concurrent.atomic.AtomicBoolean.<init>:()V
            putfield io.netty.channel.nio.NioEventLoop.wakenUp:Ljava/util/concurrent/atomic/AtomicBoolean;
         4: .line 137
            aload 0 /* this */
            bipush 50
            putfield io.netty.channel.nio.NioEventLoop.ioRatio:I
         5: .line 144
            aload 3 /* selectorProvider */
            ifnonnull 7
         6: .line 145
            new java.lang.NullPointerException
            dup
            ldc "selectorProvider"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         7: .line 147
      StackMap locals: io.netty.channel.nio.NioEventLoop io.netty.channel.nio.NioEventLoopGroup java.util.concurrent.Executor java.nio.channels.spi.SelectorProvider io.netty.channel.SelectStrategy io.netty.util.concurrent.RejectedExecutionHandler
      StackMap stack:
            aload 4 /* strategy */
            ifnonnull 9
         8: .line 148
            new java.lang.NullPointerException
            dup
            ldc "selectStrategy"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         9: .line 150
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 3 /* selectorProvider */
            putfield io.netty.channel.nio.NioEventLoop.provider:Ljava/nio/channels/spi/SelectorProvider;
        10: .line 151
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.openSelector:()Lio/netty/channel/nio/NioEventLoop$SelectorTuple;
            astore 6 /* selectorTuple */
        start local 6 // io.netty.channel.nio.NioEventLoop$SelectorTuple selectorTuple
        11: .line 152
            aload 0 /* this */
            aload 6 /* selectorTuple */
            getfield io.netty.channel.nio.NioEventLoop$SelectorTuple.selector:Ljava/nio/channels/Selector;
            putfield io.netty.channel.nio.NioEventLoop.selector:Ljava/nio/channels/Selector;
        12: .line 153
            aload 0 /* this */
            aload 6 /* selectorTuple */
            getfield io.netty.channel.nio.NioEventLoop$SelectorTuple.unwrappedSelector:Ljava/nio/channels/Selector;
            putfield io.netty.channel.nio.NioEventLoop.unwrappedSelector:Ljava/nio/channels/Selector;
        13: .line 154
            aload 0 /* this */
            aload 4 /* strategy */
            putfield io.netty.channel.nio.NioEventLoop.selectStrategy:Lio/netty/channel/SelectStrategy;
        14: .line 155
            return
        end local 6 // io.netty.channel.nio.NioEventLoop$SelectorTuple selectorTuple
        end local 5 // io.netty.util.concurrent.RejectedExecutionHandler rejectedExecutionHandler
        end local 4 // io.netty.channel.SelectStrategy strategy
        end local 3 // java.nio.channels.spi.SelectorProvider selectorProvider
        end local 2 // java.util.concurrent.Executor executor
        end local 1 // io.netty.channel.nio.NioEventLoopGroup parent
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot                      Name  Signature
            0   15     0                      this  Lio/netty/channel/nio/NioEventLoop;
            0   15     1                    parent  Lio/netty/channel/nio/NioEventLoopGroup;
            0   15     2                  executor  Ljava/util/concurrent/Executor;
            0   15     3          selectorProvider  Ljava/nio/channels/spi/SelectorProvider;
            0   15     4                  strategy  Lio/netty/channel/SelectStrategy;
            0   15     5  rejectedExecutionHandler  Lio/netty/util/concurrent/RejectedExecutionHandler;
           11   15     6             selectorTuple  Lio/netty/channel/nio/NioEventLoop$SelectorTuple;
    MethodParameters:
                          Name  Flags
      parent                    
      executor                  
      selectorProvider          
      strategy                  
      rejectedExecutionHandler  

  private io.netty.channel.nio.NioEventLoop$SelectorTuple openSelector();
    descriptor: ()Lio/netty/channel/nio/NioEventLoop$SelectorTuple;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=7, locals=7, args_size=1
        start local 0 // io.netty.channel.nio.NioEventLoop this
         0: .line 175
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.provider:Ljava/nio/channels/spi/SelectorProvider;
            invokevirtual java.nio.channels.spi.SelectorProvider.openSelector:()Ljava/nio/channels/spi/AbstractSelector;
            astore 1 /* unwrappedSelector */
        start local 1 // java.nio.channels.Selector unwrappedSelector
         1: .line 176
            goto 4
        end local 1 // java.nio.channels.Selector unwrappedSelector
      StackMap locals:
      StackMap stack: java.io.IOException
         2: astore 2 /* e */
        start local 2 // java.io.IOException e
         3: .line 177
            new io.netty.channel.ChannelException
            dup
            ldc "failed to open a new selector"
            aload 2 /* e */
            invokespecial io.netty.channel.ChannelException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 2 // java.io.IOException e
        start local 1 // java.nio.channels.Selector unwrappedSelector
         4: .line 180
      StackMap locals: java.nio.channels.Selector
      StackMap stack:
            getstatic io.netty.channel.nio.NioEventLoop.DISABLE_KEYSET_OPTIMIZATION:Z
            ifeq 6
         5: .line 181
            new io.netty.channel.nio.NioEventLoop$SelectorTuple
            dup
            aload 1 /* unwrappedSelector */
            invokespecial io.netty.channel.nio.NioEventLoop$SelectorTuple.<init>:(Ljava/nio/channels/Selector;)V
            areturn
         6: .line 184
      StackMap locals:
      StackMap stack:
            new io.netty.channel.nio.SelectedSelectionKeySet
            dup
            invokespecial io.netty.channel.nio.SelectedSelectionKeySet.<init>:()V
            astore 2 /* selectedKeySet */
        start local 2 // io.netty.channel.nio.SelectedSelectionKeySet selectedKeySet
         7: .line 186
            new io.netty.channel.nio.NioEventLoop$4
            dup
            aload 0 /* this */
            invokespecial io.netty.channel.nio.NioEventLoop$4.<init>:(Lio/netty/channel/nio/NioEventLoop;)V
            invokestatic java.security.AccessController.doPrivileged:(Ljava/security/PrivilegedAction;)Ljava/lang/Object;
            astore 3 /* maybeSelectorImplClass */
        start local 3 // java.lang.Object maybeSelectorImplClass
         8: .line 200
            aload 3 /* maybeSelectorImplClass */
            instanceof java.lang.Class
            ifeq 10
         9: .line 202
            aload 3 /* maybeSelectorImplClass */
            checkcast java.lang.Class
            aload 1 /* unwrappedSelector */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Class.isAssignableFrom:(Ljava/lang/Class;)Z
            ifne 14
        10: .line 203
      StackMap locals: io.netty.channel.nio.SelectedSelectionKeySet java.lang.Object
      StackMap stack:
            aload 3 /* maybeSelectorImplClass */
            instanceof java.lang.Throwable
            ifeq 13
        11: .line 204
            aload 3 /* maybeSelectorImplClass */
            checkcast java.lang.Throwable
            astore 4 /* t */
        start local 4 // java.lang.Throwable t
        12: .line 205
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "failed to instrument a special java.util.Set into: {}"
            aload 1 /* unwrappedSelector */
            aload 4 /* t */
            invokeinterface io.netty.util.internal.logging.InternalLogger.trace:(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V
        end local 4 // java.lang.Throwable t
        13: .line 207
      StackMap locals:
      StackMap stack:
            new io.netty.channel.nio.NioEventLoop$SelectorTuple
            dup
            aload 1 /* unwrappedSelector */
            invokespecial io.netty.channel.nio.NioEventLoop$SelectorTuple.<init>:(Ljava/nio/channels/Selector;)V
            areturn
        14: .line 210
      StackMap locals:
      StackMap stack:
            aload 3 /* maybeSelectorImplClass */
            checkcast java.lang.Class
            astore 4 /* selectorImplClass */
        start local 4 // java.lang.Class selectorImplClass
        15: .line 212
            new io.netty.channel.nio.NioEventLoop$5
            dup
            aload 0 /* this */
            aload 4 /* selectorImplClass */
            aload 1 /* unwrappedSelector */
            aload 2 /* selectedKeySet */
            invokespecial io.netty.channel.nio.NioEventLoop$5.<init>:(Lio/netty/channel/nio/NioEventLoop;Ljava/lang/Class;Ljava/nio/channels/Selector;Lio/netty/channel/nio/SelectedSelectionKeySet;)V
            invokestatic java.security.AccessController.doPrivileged:(Ljava/security/PrivilegedAction;)Ljava/lang/Object;
            astore 5 /* maybeException */
        start local 5 // java.lang.Object maybeException
        16: .line 239
            aload 5 /* maybeException */
            instanceof java.lang.Exception
            ifeq 21
        17: .line 240
            aload 0 /* this */
            aconst_null
            putfield io.netty.channel.nio.NioEventLoop.selectedKeys:Lio/netty/channel/nio/SelectedSelectionKeySet;
        18: .line 241
            aload 5 /* maybeException */
            checkcast java.lang.Exception
            astore 6 /* e */
        start local 6 // java.lang.Exception e
        19: .line 242
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "failed to instrument a special java.util.Set into: {}"
            aload 1 /* unwrappedSelector */
            aload 6 /* e */
            invokeinterface io.netty.util.internal.logging.InternalLogger.trace:(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V
        20: .line 243
            new io.netty.channel.nio.NioEventLoop$SelectorTuple
            dup
            aload 1 /* unwrappedSelector */
            invokespecial io.netty.channel.nio.NioEventLoop$SelectorTuple.<init>:(Ljava/nio/channels/Selector;)V
            areturn
        end local 6 // java.lang.Exception e
        21: .line 245
      StackMap locals: java.lang.Class java.lang.Object
      StackMap stack:
            aload 0 /* this */
            aload 2 /* selectedKeySet */
            putfield io.netty.channel.nio.NioEventLoop.selectedKeys:Lio/netty/channel/nio/SelectedSelectionKeySet;
        22: .line 246
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "instrumented a special java.util.Set into: {}"
            aload 1 /* unwrappedSelector */
            invokeinterface io.netty.util.internal.logging.InternalLogger.trace:(Ljava/lang/String;Ljava/lang/Object;)V
        23: .line 247
            new io.netty.channel.nio.NioEventLoop$SelectorTuple
            dup
            aload 1 /* unwrappedSelector */
        24: .line 248
            new io.netty.channel.nio.SelectedSelectionKeySetSelector
            dup
            aload 1 /* unwrappedSelector */
            aload 2 /* selectedKeySet */
            invokespecial io.netty.channel.nio.SelectedSelectionKeySetSelector.<init>:(Ljava/nio/channels/Selector;Lio/netty/channel/nio/SelectedSelectionKeySet;)V
        25: .line 247
            invokespecial io.netty.channel.nio.NioEventLoop$SelectorTuple.<init>:(Ljava/nio/channels/Selector;Ljava/nio/channels/Selector;)V
            areturn
        end local 5 // java.lang.Object maybeException
        end local 4 // java.lang.Class selectorImplClass
        end local 3 // java.lang.Object maybeSelectorImplClass
        end local 2 // io.netty.channel.nio.SelectedSelectionKeySet selectedKeySet
        end local 1 // java.nio.channels.Selector unwrappedSelector
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot                    Name  Signature
            0   26     0                    this  Lio/netty/channel/nio/NioEventLoop;
            1    2     1       unwrappedSelector  Ljava/nio/channels/Selector;
            4   26     1       unwrappedSelector  Ljava/nio/channels/Selector;
            3    4     2                       e  Ljava/io/IOException;
            7   26     2          selectedKeySet  Lio/netty/channel/nio/SelectedSelectionKeySet;
            8   26     3  maybeSelectorImplClass  Ljava/lang/Object;
           12   13     4                       t  Ljava/lang/Throwable;
           15   26     4       selectorImplClass  Ljava/lang/Class<*>;
           16   26     5          maybeException  Ljava/lang/Object;
           19   21     6                       e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           0     1       2  Class java.io.IOException

  public java.nio.channels.spi.SelectorProvider selectorProvider();
    descriptor: ()Ljava/nio/channels/spi/SelectorProvider;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.channel.nio.NioEventLoop this
         0: .line 255
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.provider:Ljava/nio/channels/spi/SelectorProvider;
            areturn
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/channel/nio/NioEventLoop;

  protected java.util.Queue<java.lang.Runnable> newTaskQueue(int);
    descriptor: (I)Ljava/util/Queue;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.channel.nio.NioEventLoop this
        start local 1 // int maxPendingTasks
         0: .line 261
            iload 1 /* maxPendingTasks */
            ldc 2147483647
            if_icmpne 1
            invokestatic io.netty.util.internal.PlatformDependent.newMpscQueue:()Ljava/util/Queue;
            goto 2
         1: .line 262
      StackMap locals:
      StackMap stack:
            iload 1 /* maxPendingTasks */
            invokestatic io.netty.util.internal.PlatformDependent.newMpscQueue:(I)Ljava/util/Queue;
         2: .line 261
      StackMap locals:
      StackMap stack: java.util.Queue
            areturn
        end local 1 // int maxPendingTasks
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    3     0             this  Lio/netty/channel/nio/NioEventLoop;
            0    3     1  maxPendingTasks  I
    Signature: (I)Ljava/util/Queue<Ljava/lang/Runnable;>;
    MethodParameters:
                 Name  Flags
      maxPendingTasks  

  public int pendingTasks();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.netty.channel.nio.NioEventLoop this
         0: .line 270
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.inEventLoop:()Z
            ifeq 2
         1: .line 271
            aload 0 /* this */
            invokespecial io.netty.channel.SingleThreadEventLoop.pendingTasks:()I
            ireturn
         2: .line 273
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.pendingTasksCallable:Ljava/util/concurrent/Callable;
            invokevirtual io.netty.channel.nio.NioEventLoop.submit:(Ljava/util/concurrent/Callable;)Lio/netty/util/concurrent/Future;
            invokeinterface io.netty.util.concurrent.Future.syncUninterruptibly:()Lio/netty/util/concurrent/Future;
            invokeinterface io.netty.util.concurrent.Future.getNow:()Ljava/lang/Object;
            checkcast java.lang.Integer
            invokevirtual java.lang.Integer.intValue:()I
            ireturn
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lio/netty/channel/nio/NioEventLoop;

  public void register(java.nio.channels.SelectableChannel, int, io.netty.channel.nio.NioTask<?>);
    descriptor: (Ljava/nio/channels/SelectableChannel;ILio/netty/channel/nio/NioTask;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=4
        start local 0 // io.netty.channel.nio.NioEventLoop this
        start local 1 // java.nio.channels.SelectableChannel ch
        start local 2 // int interestOps
        start local 3 // io.netty.channel.nio.NioTask task
         0: .line 283
            aload 1 /* ch */
            ifnonnull 2
         1: .line 284
            new java.lang.NullPointerException
            dup
            ldc "ch"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 286
      StackMap locals:
      StackMap stack:
            iload 2 /* interestOps */
            ifne 4
         3: .line 287
            new java.lang.IllegalArgumentException
            dup
            ldc "interestOps must be non-zero."
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 289
      StackMap locals:
      StackMap stack:
            iload 2 /* interestOps */
            aload 1 /* ch */
            invokevirtual java.nio.channels.SelectableChannel.validOps:()I
            iconst_m1
            ixor
            iand
            ifeq 8
         5: .line 290
            new java.lang.IllegalArgumentException
            dup
         6: .line 291
            new java.lang.StringBuilder
            dup
            ldc "invalid interestOps: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 2 /* interestOps */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc "(validOps: "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 1 /* ch */
            invokevirtual java.nio.channels.SelectableChannel.validOps:()I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            bipush 41
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         7: .line 290
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         8: .line 293
      StackMap locals:
      StackMap stack:
            aload 3 /* task */
            ifnonnull 10
         9: .line 294
            new java.lang.NullPointerException
            dup
            ldc "task"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
        10: .line 297
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.isShutdown:()Z
            ifeq 12
        11: .line 298
            new java.lang.IllegalStateException
            dup
            ldc "event loop shut down"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
        12: .line 302
      StackMap locals:
      StackMap stack:
            aload 1 /* ch */
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selector:Ljava/nio/channels/Selector;
            iload 2 /* interestOps */
            aload 3 /* task */
            invokevirtual java.nio.channels.SelectableChannel.register:(Ljava/nio/channels/Selector;ILjava/lang/Object;)Ljava/nio/channels/SelectionKey;
            pop
        13: .line 303
            goto 16
      StackMap locals:
      StackMap stack: java.lang.Exception
        14: astore 4 /* e */
        start local 4 // java.lang.Exception e
        15: .line 304
            new io.netty.channel.EventLoopException
            dup
            ldc "failed to register a channel"
            aload 4 /* e */
            invokespecial io.netty.channel.EventLoopException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 4 // java.lang.Exception e
        16: .line 306
      StackMap locals:
      StackMap stack:
            return
        end local 3 // io.netty.channel.nio.NioTask task
        end local 2 // int interestOps
        end local 1 // java.nio.channels.SelectableChannel ch
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   17     0         this  Lio/netty/channel/nio/NioEventLoop;
            0   17     1           ch  Ljava/nio/channels/SelectableChannel;
            0   17     2  interestOps  I
            0   17     3         task  Lio/netty/channel/nio/NioTask<*>;
           15   16     4            e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
          12    13      14  Class java.lang.Exception
    Signature: (Ljava/nio/channels/SelectableChannel;ILio/netty/channel/nio/NioTask<*>;)V
    MethodParameters:
             Name  Flags
      ch           final
      interestOps  final
      task         final

  public int getIoRatio();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.channel.nio.NioEventLoop this
         0: .line 312
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.ioRatio:I
            ireturn
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/channel/nio/NioEventLoop;

  public void setIoRatio(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // io.netty.channel.nio.NioEventLoop this
        start local 1 // int ioRatio
         0: .line 320
            iload 1 /* ioRatio */
            ifle 1
            iload 1 /* ioRatio */
            bipush 100
            if_icmple 2
         1: .line 321
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "ioRatio: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 1 /* ioRatio */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc " (expected: 0 < ioRatio <= 100)"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 323
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iload 1 /* ioRatio */
            putfield io.netty.channel.nio.NioEventLoop.ioRatio:I
         3: .line 324
            return
        end local 1 // int ioRatio
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    4     0     this  Lio/netty/channel/nio/NioEventLoop;
            0    4     1  ioRatio  I
    MethodParameters:
         Name  Flags
      ioRatio  

  public void rebuildSelector();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // io.netty.channel.nio.NioEventLoop this
         0: .line 331
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.inEventLoop:()Z
            ifne 3
         1: .line 332
            aload 0 /* this */
            new io.netty.channel.nio.NioEventLoop$6
            dup
            aload 0 /* this */
            invokespecial io.netty.channel.nio.NioEventLoop$6.<init>:(Lio/netty/channel/nio/NioEventLoop;)V
            invokevirtual io.netty.channel.nio.NioEventLoop.execute:(Ljava/lang/Runnable;)V
         2: .line 338
            return
         3: .line 340
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.rebuildSelector0:()V
         4: .line 341
            return
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lio/netty/channel/nio/NioEventLoop;

  private void rebuildSelector0();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=9, args_size=1
        start local 0 // io.netty.channel.nio.NioEventLoop this
         0: .line 344
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selector:Ljava/nio/channels/Selector;
            astore 1 /* oldSelector */
        start local 1 // java.nio.channels.Selector oldSelector
         1: .line 347
            aload 1 /* oldSelector */
            ifnonnull 3
         2: .line 348
            return
         3: .line 352
      StackMap locals: java.nio.channels.Selector
      StackMap stack:
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.openSelector:()Lio/netty/channel/nio/NioEventLoop$SelectorTuple;
            astore 2 /* newSelectorTuple */
        start local 2 // io.netty.channel.nio.NioEventLoop$SelectorTuple newSelectorTuple
         4: .line 353
            goto 8
        end local 2 // io.netty.channel.nio.NioEventLoop$SelectorTuple newSelectorTuple
      StackMap locals:
      StackMap stack: java.lang.Exception
         5: astore 3 /* e */
        start local 3 // java.lang.Exception e
         6: .line 354
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "Failed to create a new Selector."
            aload 3 /* e */
            invokeinterface io.netty.util.internal.logging.InternalLogger.warn:(Ljava/lang/String;Ljava/lang/Throwable;)V
         7: .line 355
            return
        end local 3 // java.lang.Exception e
        start local 2 // io.netty.channel.nio.NioEventLoop$SelectorTuple newSelectorTuple
         8: .line 359
      StackMap locals: io.netty.channel.nio.NioEventLoop$SelectorTuple
      StackMap stack:
            iconst_0
            istore 3 /* nChannels */
        start local 3 // int nChannels
         9: .line 360
            aload 1 /* oldSelector */
            invokevirtual java.nio.channels.Selector.keys:()Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 5
            goto 29
      StackMap locals: io.netty.channel.nio.NioEventLoop java.nio.channels.Selector io.netty.channel.nio.NioEventLoop$SelectorTuple int top java.util.Iterator
      StackMap stack:
        10: aload 5
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.nio.channels.SelectionKey
            astore 4 /* key */
        start local 4 // java.nio.channels.SelectionKey key
        11: .line 361
            aload 4 /* key */
            invokevirtual java.nio.channels.SelectionKey.attachment:()Ljava/lang/Object;
            astore 6 /* a */
        start local 6 // java.lang.Object a
        12: .line 363
            aload 4 /* key */
            invokevirtual java.nio.channels.SelectionKey.isValid:()Z
            ifeq 29
            aload 4 /* key */
            invokevirtual java.nio.channels.SelectionKey.channel:()Ljava/nio/channels/SelectableChannel;
            aload 2 /* newSelectorTuple */
            getfield io.netty.channel.nio.NioEventLoop$SelectorTuple.unwrappedSelector:Ljava/nio/channels/Selector;
            invokevirtual java.nio.channels.SelectableChannel.keyFor:(Ljava/nio/channels/Selector;)Ljava/nio/channels/SelectionKey;
            ifnull 14
        13: .line 364
            goto 29
        14: .line 367
      StackMap locals: io.netty.channel.nio.NioEventLoop java.nio.channels.Selector io.netty.channel.nio.NioEventLoop$SelectorTuple int java.nio.channels.SelectionKey java.util.Iterator java.lang.Object
      StackMap stack:
            aload 4 /* key */
            invokevirtual java.nio.channels.SelectionKey.interestOps:()I
            istore 7 /* interestOps */
        start local 7 // int interestOps
        15: .line 368
            aload 4 /* key */
            invokevirtual java.nio.channels.SelectionKey.cancel:()V
        16: .line 369
            aload 4 /* key */
            invokevirtual java.nio.channels.SelectionKey.channel:()Ljava/nio/channels/SelectableChannel;
            aload 2 /* newSelectorTuple */
            getfield io.netty.channel.nio.NioEventLoop$SelectorTuple.unwrappedSelector:Ljava/nio/channels/Selector;
            iload 7 /* interestOps */
            aload 6 /* a */
            invokevirtual java.nio.channels.SelectableChannel.register:(Ljava/nio/channels/Selector;ILjava/lang/Object;)Ljava/nio/channels/SelectionKey;
            astore 8 /* newKey */
        start local 8 // java.nio.channels.SelectionKey newKey
        17: .line 370
            aload 6 /* a */
            instanceof io.netty.channel.nio.AbstractNioChannel
            ifeq 19
        18: .line 372
            aload 6 /* a */
            checkcast io.netty.channel.nio.AbstractNioChannel
            aload 8 /* newKey */
            putfield io.netty.channel.nio.AbstractNioChannel.selectionKey:Ljava/nio/channels/SelectionKey;
        19: .line 374
      StackMap locals: int java.nio.channels.SelectionKey
      StackMap stack:
            iinc 3 /* nChannels */ 1
        end local 8 // java.nio.channels.SelectionKey newKey
        end local 7 // int interestOps
        20: .line 375
            goto 29
      StackMap locals: io.netty.channel.nio.NioEventLoop java.nio.channels.Selector io.netty.channel.nio.NioEventLoop$SelectorTuple int java.nio.channels.SelectionKey java.util.Iterator java.lang.Object
      StackMap stack: java.lang.Exception
        21: astore 7 /* e */
        start local 7 // java.lang.Exception e
        22: .line 376
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "Failed to re-register a Channel to the new Selector."
            aload 7 /* e */
            invokeinterface io.netty.util.internal.logging.InternalLogger.warn:(Ljava/lang/String;Ljava/lang/Throwable;)V
        23: .line 377
            aload 6 /* a */
            instanceof io.netty.channel.nio.AbstractNioChannel
            ifeq 27
        24: .line 378
            aload 6 /* a */
            checkcast io.netty.channel.nio.AbstractNioChannel
            astore 8 /* ch */
        start local 8 // io.netty.channel.nio.AbstractNioChannel ch
        25: .line 379
            aload 8 /* ch */
            invokevirtual io.netty.channel.nio.AbstractNioChannel.unsafe:()Lio/netty/channel/nio/AbstractNioChannel$NioUnsafe;
            aload 8 /* ch */
            invokevirtual io.netty.channel.nio.AbstractNioChannel.unsafe:()Lio/netty/channel/nio/AbstractNioChannel$NioUnsafe;
            invokeinterface io.netty.channel.nio.AbstractNioChannel$NioUnsafe.voidPromise:()Lio/netty/channel/ChannelPromise;
            invokeinterface io.netty.channel.nio.AbstractNioChannel$NioUnsafe.close:(Lio/netty/channel/ChannelPromise;)V
        end local 8 // io.netty.channel.nio.AbstractNioChannel ch
        26: .line 380
            goto 29
        27: .line 382
      StackMap locals: java.lang.Exception
      StackMap stack:
            aload 6 /* a */
            checkcast io.netty.channel.nio.NioTask
            astore 8 /* task */
        start local 8 // io.netty.channel.nio.NioTask task
        28: .line 383
            aload 8 /* task */
            aload 4 /* key */
            aload 7 /* e */
            invokestatic io.netty.channel.nio.NioEventLoop.invokeChannelUnregistered:(Lio/netty/channel/nio/NioTask;Ljava/nio/channels/SelectionKey;Ljava/lang/Throwable;)V
        end local 8 // io.netty.channel.nio.NioTask task
        end local 7 // java.lang.Exception e
        end local 6 // java.lang.Object a
        end local 4 // java.nio.channels.SelectionKey key
        29: .line 360
      StackMap locals: io.netty.channel.nio.NioEventLoop java.nio.channels.Selector io.netty.channel.nio.NioEventLoop$SelectorTuple int top java.util.Iterator
      StackMap stack:
            aload 5
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 10
        30: .line 388
            aload 0 /* this */
            aload 2 /* newSelectorTuple */
            getfield io.netty.channel.nio.NioEventLoop$SelectorTuple.selector:Ljava/nio/channels/Selector;
            putfield io.netty.channel.nio.NioEventLoop.selector:Ljava/nio/channels/Selector;
        31: .line 389
            aload 0 /* this */
            aload 2 /* newSelectorTuple */
            getfield io.netty.channel.nio.NioEventLoop$SelectorTuple.unwrappedSelector:Ljava/nio/channels/Selector;
            putfield io.netty.channel.nio.NioEventLoop.unwrappedSelector:Ljava/nio/channels/Selector;
        32: .line 393
            aload 1 /* oldSelector */
            invokevirtual java.nio.channels.Selector.close:()V
        33: .line 394
            goto 37
      StackMap locals: io.netty.channel.nio.NioEventLoop java.nio.channels.Selector io.netty.channel.nio.NioEventLoop$SelectorTuple int
      StackMap stack: java.lang.Throwable
        34: astore 4 /* t */
        start local 4 // java.lang.Throwable t
        35: .line 395
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            invokeinterface io.netty.util.internal.logging.InternalLogger.isWarnEnabled:()Z
            ifeq 37
        36: .line 396
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "Failed to close the old Selector."
            aload 4 /* t */
            invokeinterface io.netty.util.internal.logging.InternalLogger.warn:(Ljava/lang/String;Ljava/lang/Throwable;)V
        end local 4 // java.lang.Throwable t
        37: .line 400
      StackMap locals:
      StackMap stack:
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            new java.lang.StringBuilder
            dup
            ldc "Migrated "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 3 /* nChannels */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc " channel(s) to the new Selector."
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokeinterface io.netty.util.internal.logging.InternalLogger.info:(Ljava/lang/String;)V
        38: .line 401
            return
        end local 3 // int nChannels
        end local 2 // io.netty.channel.nio.NioEventLoop$SelectorTuple newSelectorTuple
        end local 1 // java.nio.channels.Selector oldSelector
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0   39     0              this  Lio/netty/channel/nio/NioEventLoop;
            1   39     1       oldSelector  Ljava/nio/channels/Selector;
            4    5     2  newSelectorTuple  Lio/netty/channel/nio/NioEventLoop$SelectorTuple;
            8   39     2  newSelectorTuple  Lio/netty/channel/nio/NioEventLoop$SelectorTuple;
            6    8     3                 e  Ljava/lang/Exception;
            9   39     3         nChannels  I
           11   29     4               key  Ljava/nio/channels/SelectionKey;
           12   29     6                 a  Ljava/lang/Object;
           15   20     7       interestOps  I
           17   20     8            newKey  Ljava/nio/channels/SelectionKey;
           22   29     7                 e  Ljava/lang/Exception;
           25   26     8                ch  Lio/netty/channel/nio/AbstractNioChannel;
           28   29     8              task  Lio/netty/channel/nio/NioTask<Ljava/nio/channels/SelectableChannel;>;
           35   37     4                 t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           3     4       5  Class java.lang.Exception
          12    13      21  Class java.lang.Exception
          14    20      21  Class java.lang.Exception
          32    33      34  Class java.lang.Throwable

  protected void run();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=7, args_size=1
        start local 0 // io.netty.channel.nio.NioEventLoop this
         0: .line 407
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selectStrategy:Lio/netty/channel/SelectStrategy;
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selectNowSupplier:Lio/netty/util/IntSupplier;
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.hasTasks:()Z
            invokeinterface io.netty.channel.SelectStrategy.calculateStrategy:(Lio/netty/util/IntSupplier;Z)I
            tableswitch { // -2 - -1
                   -2: 1
                   -1: 2
              default: 5
          }
         1: .line 409
      StackMap locals:
      StackMap stack:
            goto 0
         2: .line 411
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.wakenUp:Ljava/util/concurrent/atomic/AtomicBoolean;
            iconst_0
            invokevirtual java.util.concurrent.atomic.AtomicBoolean.getAndSet:(Z)Z
            invokevirtual io.netty.channel.nio.NioEventLoop.select:(Z)V
         3: .line 441
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.wakenUp:Ljava/util/concurrent/atomic/AtomicBoolean;
            invokevirtual java.util.concurrent.atomic.AtomicBoolean.get:()Z
            ifeq 5
         4: .line 442
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selector:Ljava/nio/channels/Selector;
            invokevirtual java.nio.channels.Selector.wakeup:()Ljava/nio/channels/Selector;
            pop
         5: .line 448
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_0
            putfield io.netty.channel.nio.NioEventLoop.cancelledKeys:I
         6: .line 449
            aload 0 /* this */
            iconst_0
            putfield io.netty.channel.nio.NioEventLoop.needsToSelectAgain:Z
         7: .line 450
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.ioRatio:I
            istore 1 /* ioRatio */
        start local 1 // int ioRatio
         8: .line 451
            iload 1 /* ioRatio */
            bipush 100
            if_icmpne 16
         9: .line 453
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.processSelectedKeys:()V
        10: .line 454
            goto 14
      StackMap locals: io.netty.channel.nio.NioEventLoop int
      StackMap stack: java.lang.Throwable
        11: astore 2
        12: .line 456
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.runAllTasks:()Z
            pop
        13: .line 457
            aload 2
            athrow
        14: .line 456
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.runAllTasks:()Z
            pop
        15: .line 458
            goto 28
        16: .line 459
      StackMap locals:
      StackMap stack:
            invokestatic java.lang.System.nanoTime:()J
            lstore 2 /* ioStartTime */
        start local 2 // long ioStartTime
        17: .line 461
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.processSelectedKeys:()V
        18: .line 462
            goto 23
      StackMap locals: io.netty.channel.nio.NioEventLoop int long
      StackMap stack: java.lang.Throwable
        19: astore 4
        20: .line 464
            invokestatic java.lang.System.nanoTime:()J
            lload 2 /* ioStartTime */
            lsub
            lstore 5 /* ioTime */
        start local 5 // long ioTime
        21: .line 465
            aload 0 /* this */
            lload 5 /* ioTime */
            bipush 100
            iload 1 /* ioRatio */
            isub
            i2l
            lmul
            iload 1 /* ioRatio */
            i2l
            ldiv
            invokevirtual io.netty.channel.nio.NioEventLoop.runAllTasks:(J)Z
            pop
        end local 5 // long ioTime
        22: .line 466
            aload 4
            athrow
        23: .line 464
      StackMap locals:
      StackMap stack:
            invokestatic java.lang.System.nanoTime:()J
            lload 2 /* ioStartTime */
            lsub
            lstore 5 /* ioTime */
        start local 5 // long ioTime
        24: .line 465
            aload 0 /* this */
            lload 5 /* ioTime */
            bipush 100
            iload 1 /* ioRatio */
            isub
            i2l
            lmul
            iload 1 /* ioRatio */
            i2l
            ldiv
            invokevirtual io.netty.channel.nio.NioEventLoop.runAllTasks:(J)Z
            pop
        end local 5 // long ioTime
        end local 2 // long ioStartTime
        end local 1 // int ioRatio
        25: .line 468
            goto 28
      StackMap locals: io.netty.channel.nio.NioEventLoop
      StackMap stack: java.lang.Throwable
        26: astore 1 /* t */
        start local 1 // java.lang.Throwable t
        27: .line 469
            aload 1 /* t */
            invokestatic io.netty.channel.nio.NioEventLoop.handleLoopException:(Ljava/lang/Throwable;)V
        end local 1 // java.lang.Throwable t
        28: .line 473
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.isShuttingDown:()Z
            ifeq 0
        29: .line 474
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.closeAll:()V
        30: .line 475
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.confirmShutdown:()Z
            ifeq 0
        31: .line 476
            return
        32: .line 479
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 1 /* t */
        start local 1 // java.lang.Throwable t
        33: .line 480
            aload 1 /* t */
            invokestatic io.netty.channel.nio.NioEventLoop.handleLoopException:(Ljava/lang/Throwable;)V
        end local 1 // java.lang.Throwable t
        34: .line 405
            goto 0
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   35     0         this  Lio/netty/channel/nio/NioEventLoop;
            8   25     1      ioRatio  I
           17   25     2  ioStartTime  J
           21   22     5       ioTime  J
           24   25     5       ioTime  J
           27   28     1            t  Ljava/lang/Throwable;
           33   34     1            t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           9    11      11  any
          17    19      19  any
           0     1      26  Class java.lang.Throwable
           2    25      26  Class java.lang.Throwable
          28    31      32  Class java.lang.Throwable

  private static void handleLoopException(java.lang.Throwable);
    descriptor: (Ljava/lang/Throwable;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.lang.Throwable t
         0: .line 486
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "Unexpected exception in the selector loop."
            aload 0 /* t */
            invokeinterface io.netty.util.internal.logging.InternalLogger.warn:(Ljava/lang/String;Ljava/lang/Throwable;)V
         1: .line 491
            ldc 1000
            invokestatic java.lang.Thread.sleep:(J)V
         2: .line 492
            goto 4
      StackMap locals:
      StackMap stack: java.lang.InterruptedException
         3: pop
         4: .line 495
      StackMap locals:
      StackMap stack:
            return
        end local 0 // java.lang.Throwable t
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0     t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           1     2       3  Class java.lang.InterruptedException
    MethodParameters:
      Name  Flags
      t     

  private void processSelectedKeys();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.netty.channel.nio.NioEventLoop this
         0: .line 498
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selectedKeys:Lio/netty/channel/nio/SelectedSelectionKeySet;
            ifnull 3
         1: .line 499
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized:()V
         2: .line 500
            goto 4
         3: .line 501
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selector:Ljava/nio/channels/Selector;
            invokevirtual java.nio.channels.Selector.selectedKeys:()Ljava/util/Set;
            invokevirtual io.netty.channel.nio.NioEventLoop.processSelectedKeysPlain:(Ljava/util/Set;)V
         4: .line 503
      StackMap locals:
      StackMap stack:
            return
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lio/netty/channel/nio/NioEventLoop;

  protected void cleanup();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // io.netty.channel.nio.NioEventLoop this
         0: .line 508
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selector:Ljava/nio/channels/Selector;
            invokevirtual java.nio.channels.Selector.close:()V
         1: .line 509
            goto 4
      StackMap locals:
      StackMap stack: java.io.IOException
         2: astore 1 /* e */
        start local 1 // java.io.IOException e
         3: .line 510
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "Failed to close a selector."
            aload 1 /* e */
            invokeinterface io.netty.util.internal.logging.InternalLogger.warn:(Ljava/lang/String;Ljava/lang/Throwable;)V
        end local 1 // java.io.IOException e
         4: .line 512
      StackMap locals:
      StackMap stack:
            return
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lio/netty/channel/nio/NioEventLoop;
            3    4     1     e  Ljava/io/IOException;
      Exception table:
        from    to  target  type
           0     1       2  Class java.io.IOException

  void cancel(java.nio.channels.SelectionKey);
    descriptor: (Ljava/nio/channels/SelectionKey;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // io.netty.channel.nio.NioEventLoop this
        start local 1 // java.nio.channels.SelectionKey key
         0: .line 515
            aload 1 /* key */
            invokevirtual java.nio.channels.SelectionKey.cancel:()V
         1: .line 516
            aload 0 /* this */
            dup
            getfield io.netty.channel.nio.NioEventLoop.cancelledKeys:I
            iconst_1
            iadd
            putfield io.netty.channel.nio.NioEventLoop.cancelledKeys:I
         2: .line 517
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.cancelledKeys:I
            sipush 256
            if_icmplt 5
         3: .line 518
            aload 0 /* this */
            iconst_0
            putfield io.netty.channel.nio.NioEventLoop.cancelledKeys:I
         4: .line 519
            aload 0 /* this */
            iconst_1
            putfield io.netty.channel.nio.NioEventLoop.needsToSelectAgain:Z
         5: .line 521
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.nio.channels.SelectionKey key
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lio/netty/channel/nio/NioEventLoop;
            0    6     1   key  Ljava/nio/channels/SelectionKey;
    MethodParameters:
      Name  Flags
      key   

  protected java.lang.Runnable pollTask();
    descriptor: ()Ljava/lang/Runnable;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=2, args_size=1
        start local 0 // io.netty.channel.nio.NioEventLoop this
         0: .line 525
            aload 0 /* this */
            invokespecial io.netty.channel.SingleThreadEventLoop.pollTask:()Ljava/lang/Runnable;
            astore 1 /* task */
        start local 1 // java.lang.Runnable task
         1: .line 526
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.needsToSelectAgain:Z
            ifeq 3
         2: .line 527
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.selectAgain:()V
         3: .line 529
      StackMap locals: java.lang.Runnable
      StackMap stack:
            aload 1 /* task */
            areturn
        end local 1 // java.lang.Runnable task
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lio/netty/channel/nio/NioEventLoop;
            1    4     1  task  Ljava/lang/Runnable;

  private void processSelectedKeysPlain(java.util.Set<java.nio.channels.SelectionKey>);
    descriptor: (Ljava/util/Set;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=6, args_size=2
        start local 0 // io.netty.channel.nio.NioEventLoop this
        start local 1 // java.util.Set selectedKeys
         0: .line 536
            aload 1 /* selectedKeys */
            invokeinterface java.util.Set.isEmpty:()Z
            ifeq 2
         1: .line 537
            return
         2: .line 540
      StackMap locals:
      StackMap stack:
            aload 1 /* selectedKeys */
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 2 /* i */
        start local 2 // java.util.Iterator i
         3: .line 542
      StackMap locals: java.util.Iterator
      StackMap stack:
            aload 2 /* i */
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.nio.channels.SelectionKey
            astore 3 /* k */
        start local 3 // java.nio.channels.SelectionKey k
         4: .line 543
            aload 3 /* k */
            invokevirtual java.nio.channels.SelectionKey.attachment:()Ljava/lang/Object;
            astore 4 /* a */
        start local 4 // java.lang.Object a
         5: .line 544
            aload 2 /* i */
            invokeinterface java.util.Iterator.remove:()V
         6: .line 546
            aload 4 /* a */
            instanceof io.netty.channel.nio.AbstractNioChannel
            ifeq 9
         7: .line 547
            aload 0 /* this */
            aload 3 /* k */
            aload 4 /* a */
            checkcast io.netty.channel.nio.AbstractNioChannel
            invokevirtual io.netty.channel.nio.NioEventLoop.processSelectedKey:(Ljava/nio/channels/SelectionKey;Lio/netty/channel/nio/AbstractNioChannel;)V
         8: .line 548
            goto 11
         9: .line 550
      StackMap locals: java.nio.channels.SelectionKey java.lang.Object
      StackMap stack:
            aload 4 /* a */
            checkcast io.netty.channel.nio.NioTask
            astore 5 /* task */
        start local 5 // io.netty.channel.nio.NioTask task
        10: .line 551
            aload 3 /* k */
            aload 5 /* task */
            invokestatic io.netty.channel.nio.NioEventLoop.processSelectedKey:(Ljava/nio/channels/SelectionKey;Lio/netty/channel/nio/NioTask;)V
        end local 5 // io.netty.channel.nio.NioTask task
        11: .line 554
      StackMap locals:
      StackMap stack:
            aload 2 /* i */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 13
        12: .line 555
            goto 20
        13: .line 558
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.needsToSelectAgain:Z
            ifeq 3
        14: .line 559
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.selectAgain:()V
        15: .line 560
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selector:Ljava/nio/channels/Selector;
            invokevirtual java.nio.channels.Selector.selectedKeys:()Ljava/util/Set;
            astore 1 /* selectedKeys */
        16: .line 563
            aload 1 /* selectedKeys */
            invokeinterface java.util.Set.isEmpty:()Z
            ifeq 18
        17: .line 564
            goto 20
        18: .line 566
      StackMap locals:
      StackMap stack:
            aload 1 /* selectedKeys */
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 2 /* i */
        end local 4 // java.lang.Object a
        end local 3 // java.nio.channels.SelectionKey k
        19: .line 541
            goto 3
        20: .line 570
      StackMap locals:
      StackMap stack:
            return
        end local 2 // java.util.Iterator i
        end local 1 // java.util.Set selectedKeys
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0   21     0          this  Lio/netty/channel/nio/NioEventLoop;
            0   21     1  selectedKeys  Ljava/util/Set<Ljava/nio/channels/SelectionKey;>;
            3   21     2             i  Ljava/util/Iterator<Ljava/nio/channels/SelectionKey;>;
            4   19     3             k  Ljava/nio/channels/SelectionKey;
            5   19     4             a  Ljava/lang/Object;
           10   11     5          task  Lio/netty/channel/nio/NioTask<Ljava/nio/channels/SelectableChannel;>;
    Signature: (Ljava/util/Set<Ljava/nio/channels/SelectionKey;>;)V
    MethodParameters:
              Name  Flags
      selectedKeys  

  private void processSelectedKeysOptimized();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=5, args_size=1
        start local 0 // io.netty.channel.nio.NioEventLoop this
         0: .line 573
            iconst_0
            istore 1 /* i */
        start local 1 // int i
         1: goto 15
         2: .line 574
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selectedKeys:Lio/netty/channel/nio/SelectedSelectionKeySet;
            getfield io.netty.channel.nio.SelectedSelectionKeySet.keys:[Ljava/nio/channels/SelectionKey;
            iload 1 /* i */
            aaload
            astore 2 /* k */
        start local 2 // java.nio.channels.SelectionKey k
         3: .line 577
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selectedKeys:Lio/netty/channel/nio/SelectedSelectionKeySet;
            getfield io.netty.channel.nio.SelectedSelectionKeySet.keys:[Ljava/nio/channels/SelectionKey;
            iload 1 /* i */
            aconst_null
            aastore
         4: .line 579
            aload 2 /* k */
            invokevirtual java.nio.channels.SelectionKey.attachment:()Ljava/lang/Object;
            astore 3 /* a */
        start local 3 // java.lang.Object a
         5: .line 581
            aload 3 /* a */
            instanceof io.netty.channel.nio.AbstractNioChannel
            ifeq 8
         6: .line 582
            aload 0 /* this */
            aload 2 /* k */
            aload 3 /* a */
            checkcast io.netty.channel.nio.AbstractNioChannel
            invokevirtual io.netty.channel.nio.NioEventLoop.processSelectedKey:(Ljava/nio/channels/SelectionKey;Lio/netty/channel/nio/AbstractNioChannel;)V
         7: .line 583
            goto 10
         8: .line 585
      StackMap locals: java.nio.channels.SelectionKey java.lang.Object
      StackMap stack:
            aload 3 /* a */
            checkcast io.netty.channel.nio.NioTask
            astore 4 /* task */
        start local 4 // io.netty.channel.nio.NioTask task
         9: .line 586
            aload 2 /* k */
            aload 4 /* task */
            invokestatic io.netty.channel.nio.NioEventLoop.processSelectedKey:(Ljava/nio/channels/SelectionKey;Lio/netty/channel/nio/NioTask;)V
        end local 4 // io.netty.channel.nio.NioTask task
        10: .line 589
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.needsToSelectAgain:Z
            ifeq 14
        11: .line 592
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selectedKeys:Lio/netty/channel/nio/SelectedSelectionKeySet;
            iload 1 /* i */
            iconst_1
            iadd
            invokevirtual io.netty.channel.nio.SelectedSelectionKeySet.reset:(I)V
        12: .line 594
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.selectAgain:()V
        13: .line 595
            iconst_m1
            istore 1 /* i */
        end local 3 // java.lang.Object a
        end local 2 // java.nio.channels.SelectionKey k
        14: .line 573
      StackMap locals:
      StackMap stack:
            iinc 1 /* i */ 1
      StackMap locals:
      StackMap stack:
        15: iload 1 /* i */
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selectedKeys:Lio/netty/channel/nio/SelectedSelectionKeySet;
            getfield io.netty.channel.nio.SelectedSelectionKeySet.size:I
            if_icmplt 2
        end local 1 // int i
        16: .line 598
            return
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   17     0  this  Lio/netty/channel/nio/NioEventLoop;
            1   16     1     i  I
            3   14     2     k  Ljava/nio/channels/SelectionKey;
            5   14     3     a  Ljava/lang/Object;
            9   10     4  task  Lio/netty/channel/nio/NioTask<Ljava/nio/channels/SelectableChannel;>;

  private void processSelectedKey(java.nio.channels.SelectionKey, io.netty.channel.nio.AbstractNioChannel);
    descriptor: (Ljava/nio/channels/SelectionKey;Lio/netty/channel/nio/AbstractNioChannel;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=6, args_size=3
        start local 0 // io.netty.channel.nio.NioEventLoop this
        start local 1 // java.nio.channels.SelectionKey k
        start local 2 // io.netty.channel.nio.AbstractNioChannel ch
         0: .line 601
            aload 2 /* ch */
            invokevirtual io.netty.channel.nio.AbstractNioChannel.unsafe:()Lio/netty/channel/nio/AbstractNioChannel$NioUnsafe;
            astore 3 /* unsafe */
        start local 3 // io.netty.channel.nio.AbstractNioChannel$NioUnsafe unsafe
         1: .line 602
            aload 1 /* k */
            invokevirtual java.nio.channels.SelectionKey.isValid:()Z
            ifne 10
         2: .line 605
            aload 2 /* ch */
            invokevirtual io.netty.channel.nio.AbstractNioChannel.eventLoop:()Lio/netty/channel/nio/NioEventLoop;
            astore 4 /* eventLoop */
        start local 4 // io.netty.channel.EventLoop eventLoop
         3: .line 606
            goto 6
        end local 4 // io.netty.channel.EventLoop eventLoop
      StackMap locals: io.netty.channel.nio.NioEventLoop java.nio.channels.SelectionKey io.netty.channel.nio.AbstractNioChannel io.netty.channel.nio.AbstractNioChannel$NioUnsafe
      StackMap stack: java.lang.Throwable
         4: pop
         5: .line 610
            return
        start local 4 // io.netty.channel.EventLoop eventLoop
         6: .line 616
      StackMap locals: io.netty.channel.EventLoop
      StackMap stack:
            aload 4 /* eventLoop */
            aload 0 /* this */
            if_acmpne 7
            aload 4 /* eventLoop */
            ifnonnull 8
         7: .line 617
      StackMap locals:
      StackMap stack:
            return
         8: .line 620
      StackMap locals:
      StackMap stack:
            aload 3 /* unsafe */
            aload 3 /* unsafe */
            invokeinterface io.netty.channel.nio.AbstractNioChannel$NioUnsafe.voidPromise:()Lio/netty/channel/ChannelPromise;
            invokeinterface io.netty.channel.nio.AbstractNioChannel$NioUnsafe.close:(Lio/netty/channel/ChannelPromise;)V
         9: .line 621
            return
        end local 4 // io.netty.channel.EventLoop eventLoop
        10: .line 625
      StackMap locals:
      StackMap stack:
            aload 1 /* k */
            invokevirtual java.nio.channels.SelectionKey.readyOps:()I
            istore 4 /* readyOps */
        start local 4 // int readyOps
        11: .line 628
            iload 4 /* readyOps */
            bipush 8
            iand
            ifeq 16
        12: .line 631
            aload 1 /* k */
            invokevirtual java.nio.channels.SelectionKey.interestOps:()I
            istore 5 /* ops */
        start local 5 // int ops
        13: .line 632
            iload 5 /* ops */
            bipush -9
            iand
            istore 5 /* ops */
        14: .line 633
            aload 1 /* k */
            iload 5 /* ops */
            invokevirtual java.nio.channels.SelectionKey.interestOps:(I)Ljava/nio/channels/SelectionKey;
            pop
        15: .line 635
            aload 3 /* unsafe */
            invokeinterface io.netty.channel.nio.AbstractNioChannel$NioUnsafe.finishConnect:()V
        end local 5 // int ops
        16: .line 639
      StackMap locals: int
      StackMap stack:
            iload 4 /* readyOps */
            iconst_4
            iand
            ifeq 18
        17: .line 641
            aload 2 /* ch */
            invokevirtual io.netty.channel.nio.AbstractNioChannel.unsafe:()Lio/netty/channel/nio/AbstractNioChannel$NioUnsafe;
            invokeinterface io.netty.channel.nio.AbstractNioChannel$NioUnsafe.forceFlush:()V
        18: .line 646
      StackMap locals:
      StackMap stack:
            iload 4 /* readyOps */
            bipush 17
            iand
            ifne 19
            iload 4 /* readyOps */
            ifne 23
        19: .line 647
      StackMap locals:
      StackMap stack:
            aload 3 /* unsafe */
            invokeinterface io.netty.channel.nio.AbstractNioChannel$NioUnsafe.read:()V
        end local 4 // int readyOps
        20: .line 649
            goto 23
      StackMap locals: io.netty.channel.nio.NioEventLoop java.nio.channels.SelectionKey io.netty.channel.nio.AbstractNioChannel io.netty.channel.nio.AbstractNioChannel$NioUnsafe
      StackMap stack: java.nio.channels.CancelledKeyException
        21: pop
        22: .line 650
            aload 3 /* unsafe */
            aload 3 /* unsafe */
            invokeinterface io.netty.channel.nio.AbstractNioChannel$NioUnsafe.voidPromise:()Lio/netty/channel/ChannelPromise;
            invokeinterface io.netty.channel.nio.AbstractNioChannel$NioUnsafe.close:(Lio/netty/channel/ChannelPromise;)V
        23: .line 652
      StackMap locals:
      StackMap stack:
            return
        end local 3 // io.netty.channel.nio.AbstractNioChannel$NioUnsafe unsafe
        end local 2 // io.netty.channel.nio.AbstractNioChannel ch
        end local 1 // java.nio.channels.SelectionKey k
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   24     0       this  Lio/netty/channel/nio/NioEventLoop;
            0   24     1          k  Ljava/nio/channels/SelectionKey;
            0   24     2         ch  Lio/netty/channel/nio/AbstractNioChannel;
            1   24     3     unsafe  Lio/netty/channel/nio/AbstractNioChannel$NioUnsafe;
            3    4     4  eventLoop  Lio/netty/channel/EventLoop;
            6   10     4  eventLoop  Lio/netty/channel/EventLoop;
           11   20     4   readyOps  I
           13   16     5        ops  I
      Exception table:
        from    to  target  type
           2     3       4  Class java.lang.Throwable
          10    20      21  Class java.nio.channels.CancelledKeyException
    MethodParameters:
      Name  Flags
      k     
      ch    

  private static void processSelectedKey(java.nio.channels.SelectionKey, io.netty.channel.nio.NioTask<java.nio.channels.SelectableChannel>);
    descriptor: (Ljava/nio/channels/SelectionKey;Lio/netty/channel/nio/NioTask;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=5, args_size=2
        start local 0 // java.nio.channels.SelectionKey k
        start local 1 // io.netty.channel.nio.NioTask task
         0: .line 655
            iconst_0
            istore 2 /* state */
        start local 2 // int state
         1: .line 657
            aload 1 /* task */
            aload 0 /* k */
            invokevirtual java.nio.channels.SelectionKey.channel:()Ljava/nio/channels/SelectableChannel;
            aload 0 /* k */
            invokeinterface io.netty.channel.nio.NioTask.channelReady:(Ljava/nio/channels/SelectableChannel;Ljava/nio/channels/SelectionKey;)V
         2: .line 658
            iconst_1
            istore 2 /* state */
         3: .line 659
            goto 23
      StackMap locals: java.nio.channels.SelectionKey io.netty.channel.nio.NioTask int
      StackMap stack: java.lang.Exception
         4: astore 3 /* e */
        start local 3 // java.lang.Exception e
         5: .line 660
            aload 0 /* k */
            invokevirtual java.nio.channels.SelectionKey.cancel:()V
         6: .line 661
            aload 1 /* task */
            aload 0 /* k */
            aload 3 /* e */
            invokestatic io.netty.channel.nio.NioEventLoop.invokeChannelUnregistered:(Lio/netty/channel/nio/NioTask;Ljava/nio/channels/SelectionKey;Ljava/lang/Throwable;)V
         7: .line 662
            iconst_2
            istore 2 /* state */
        end local 3 // java.lang.Exception e
         8: .line 664
            iload 2 /* state */
            tableswitch { // 0 - 1
                    0: 9
                    1: 12
              default: 14
          }
         9: .line 666
      StackMap locals:
      StackMap stack:
            aload 0 /* k */
            invokevirtual java.nio.channels.SelectionKey.cancel:()V
        10: .line 667
            aload 1 /* task */
            aload 0 /* k */
            aconst_null
            invokestatic io.netty.channel.nio.NioEventLoop.invokeChannelUnregistered:(Lio/netty/channel/nio/NioTask;Ljava/nio/channels/SelectionKey;Ljava/lang/Throwable;)V
        11: .line 668
            goto 29
        12: .line 670
      StackMap locals:
      StackMap stack:
            aload 0 /* k */
            invokevirtual java.nio.channels.SelectionKey.isValid:()Z
            ifne 29
        13: .line 671
            aload 1 /* task */
            aload 0 /* k */
            aconst_null
            invokestatic io.netty.channel.nio.NioEventLoop.invokeChannelUnregistered:(Lio/netty/channel/nio/NioTask;Ljava/nio/channels/SelectionKey;Ljava/lang/Throwable;)V
        14: .line 674
      StackMap locals:
      StackMap stack:
            goto 29
        15: .line 663
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 4
        16: .line 664
            iload 2 /* state */
            tableswitch { // 0 - 1
                    0: 17
                    1: 20
              default: 22
          }
        17: .line 666
      StackMap locals: java.nio.channels.SelectionKey io.netty.channel.nio.NioTask int top java.lang.Throwable
      StackMap stack:
            aload 0 /* k */
            invokevirtual java.nio.channels.SelectionKey.cancel:()V
        18: .line 667
            aload 1 /* task */
            aload 0 /* k */
            aconst_null
            invokestatic io.netty.channel.nio.NioEventLoop.invokeChannelUnregistered:(Lio/netty/channel/nio/NioTask;Ljava/nio/channels/SelectionKey;Ljava/lang/Throwable;)V
        19: .line 668
            goto 22
        20: .line 670
      StackMap locals:
      StackMap stack:
            aload 0 /* k */
            invokevirtual java.nio.channels.SelectionKey.isValid:()Z
            ifne 22
        21: .line 671
            aload 1 /* task */
            aload 0 /* k */
            aconst_null
            invokestatic io.netty.channel.nio.NioEventLoop.invokeChannelUnregistered:(Lio/netty/channel/nio/NioTask;Ljava/nio/channels/SelectionKey;Ljava/lang/Throwable;)V
        22: .line 675
      StackMap locals:
      StackMap stack:
            aload 4
            athrow
        23: .line 664
      StackMap locals: java.nio.channels.SelectionKey io.netty.channel.nio.NioTask int
      StackMap stack:
            iload 2 /* state */
            tableswitch { // 0 - 1
                    0: 24
                    1: 27
              default: 29
          }
        24: .line 666
      StackMap locals:
      StackMap stack:
            aload 0 /* k */
            invokevirtual java.nio.channels.SelectionKey.cancel:()V
        25: .line 667
            aload 1 /* task */
            aload 0 /* k */
            aconst_null
            invokestatic io.netty.channel.nio.NioEventLoop.invokeChannelUnregistered:(Lio/netty/channel/nio/NioTask;Ljava/nio/channels/SelectionKey;Ljava/lang/Throwable;)V
        26: .line 668
            goto 29
        27: .line 670
      StackMap locals:
      StackMap stack:
            aload 0 /* k */
            invokevirtual java.nio.channels.SelectionKey.isValid:()Z
            ifne 29
        28: .line 671
            aload 1 /* task */
            aload 0 /* k */
            aconst_null
            invokestatic io.netty.channel.nio.NioEventLoop.invokeChannelUnregistered:(Lio/netty/channel/nio/NioTask;Ljava/nio/channels/SelectionKey;Ljava/lang/Throwable;)V
        29: .line 676
      StackMap locals:
      StackMap stack:
            return
        end local 2 // int state
        end local 1 // io.netty.channel.nio.NioTask task
        end local 0 // java.nio.channels.SelectionKey k
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   30     0      k  Ljava/nio/channels/SelectionKey;
            0   30     1   task  Lio/netty/channel/nio/NioTask<Ljava/nio/channels/SelectableChannel;>;
            1   30     2  state  I
            5    8     3      e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           1     3       4  Class java.lang.Exception
           1     8      15  any
    Signature: (Ljava/nio/channels/SelectionKey;Lio/netty/channel/nio/NioTask<Ljava/nio/channels/SelectableChannel;>;)V
    MethodParameters:
      Name  Flags
      k     
      task  

  private void closeAll();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=7, args_size=1
        start local 0 // io.netty.channel.nio.NioEventLoop this
         0: .line 679
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.selectAgain:()V
         1: .line 680
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selector:Ljava/nio/channels/Selector;
            invokevirtual java.nio.channels.Selector.keys:()Ljava/util/Set;
            astore 1 /* keys */
        start local 1 // java.util.Set keys
         2: .line 681
            new java.util.ArrayList
            dup
            aload 1 /* keys */
            invokeinterface java.util.Set.size:()I
            invokespecial java.util.ArrayList.<init>:(I)V
            astore 2 /* channels */
        start local 2 // java.util.Collection channels
         3: .line 682
            aload 1 /* keys */
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 4
            goto 12
      StackMap locals: io.netty.channel.nio.NioEventLoop java.util.Set java.util.Collection top java.util.Iterator
      StackMap stack:
         4: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.nio.channels.SelectionKey
            astore 3 /* k */
        start local 3 // java.nio.channels.SelectionKey k
         5: .line 683
            aload 3 /* k */
            invokevirtual java.nio.channels.SelectionKey.attachment:()Ljava/lang/Object;
            astore 5 /* a */
        start local 5 // java.lang.Object a
         6: .line 684
            aload 5 /* a */
            instanceof io.netty.channel.nio.AbstractNioChannel
            ifeq 9
         7: .line 685
            aload 2 /* channels */
            aload 5 /* a */
            checkcast io.netty.channel.nio.AbstractNioChannel
            invokeinterface java.util.Collection.add:(Ljava/lang/Object;)Z
            pop
         8: .line 686
            goto 12
         9: .line 687
      StackMap locals: io.netty.channel.nio.NioEventLoop java.util.Set java.util.Collection java.nio.channels.SelectionKey java.util.Iterator java.lang.Object
      StackMap stack:
            aload 3 /* k */
            invokevirtual java.nio.channels.SelectionKey.cancel:()V
        10: .line 689
            aload 5 /* a */
            checkcast io.netty.channel.nio.NioTask
            astore 6 /* task */
        start local 6 // io.netty.channel.nio.NioTask task
        11: .line 690
            aload 6 /* task */
            aload 3 /* k */
            aconst_null
            invokestatic io.netty.channel.nio.NioEventLoop.invokeChannelUnregistered:(Lio/netty/channel/nio/NioTask;Ljava/nio/channels/SelectionKey;Ljava/lang/Throwable;)V
        end local 6 // io.netty.channel.nio.NioTask task
        end local 5 // java.lang.Object a
        end local 3 // java.nio.channels.SelectionKey k
        12: .line 682
      StackMap locals: io.netty.channel.nio.NioEventLoop java.util.Set java.util.Collection top java.util.Iterator
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 4
        13: .line 694
            aload 2 /* channels */
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 4
            goto 16
      StackMap locals:
      StackMap stack:
        14: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast io.netty.channel.nio.AbstractNioChannel
            astore 3 /* ch */
        start local 3 // io.netty.channel.nio.AbstractNioChannel ch
        15: .line 695
            aload 3 /* ch */
            invokevirtual io.netty.channel.nio.AbstractNioChannel.unsafe:()Lio/netty/channel/nio/AbstractNioChannel$NioUnsafe;
            aload 3 /* ch */
            invokevirtual io.netty.channel.nio.AbstractNioChannel.unsafe:()Lio/netty/channel/nio/AbstractNioChannel$NioUnsafe;
            invokeinterface io.netty.channel.nio.AbstractNioChannel$NioUnsafe.voidPromise:()Lio/netty/channel/ChannelPromise;
            invokeinterface io.netty.channel.nio.AbstractNioChannel$NioUnsafe.close:(Lio/netty/channel/ChannelPromise;)V
        end local 3 // io.netty.channel.nio.AbstractNioChannel ch
        16: .line 694
      StackMap locals:
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 14
        17: .line 697
            return
        end local 2 // java.util.Collection channels
        end local 1 // java.util.Set keys
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   18     0      this  Lio/netty/channel/nio/NioEventLoop;
            2   18     1      keys  Ljava/util/Set<Ljava/nio/channels/SelectionKey;>;
            3   18     2  channels  Ljava/util/Collection<Lio/netty/channel/nio/AbstractNioChannel;>;
            5   12     3         k  Ljava/nio/channels/SelectionKey;
            6   12     5         a  Ljava/lang/Object;
           11   12     6      task  Lio/netty/channel/nio/NioTask<Ljava/nio/channels/SelectableChannel;>;
           15   16     3        ch  Lio/netty/channel/nio/AbstractNioChannel;

  private static void invokeChannelUnregistered(io.netty.channel.nio.NioTask<java.nio.channels.SelectableChannel>, java.nio.channels.SelectionKey, java.lang.Throwable);
    descriptor: (Lio/netty/channel/nio/NioTask;Ljava/nio/channels/SelectionKey;Ljava/lang/Throwable;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // io.netty.channel.nio.NioTask task
        start local 1 // java.nio.channels.SelectionKey k
        start local 2 // java.lang.Throwable cause
         0: .line 701
            aload 0 /* task */
            aload 1 /* k */
            invokevirtual java.nio.channels.SelectionKey.channel:()Ljava/nio/channels/SelectableChannel;
            aload 2 /* cause */
            invokeinterface io.netty.channel.nio.NioTask.channelUnregistered:(Ljava/nio/channels/SelectableChannel;Ljava/lang/Throwable;)V
         1: .line 702
            goto 4
      StackMap locals:
      StackMap stack: java.lang.Exception
         2: astore 3 /* e */
        start local 3 // java.lang.Exception e
         3: .line 703
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "Unexpected exception while running NioTask.channelUnregistered()"
            aload 3 /* e */
            invokeinterface io.netty.util.internal.logging.InternalLogger.warn:(Ljava/lang/String;Ljava/lang/Throwable;)V
        end local 3 // java.lang.Exception e
         4: .line 705
      StackMap locals:
      StackMap stack:
            return
        end local 2 // java.lang.Throwable cause
        end local 1 // java.nio.channels.SelectionKey k
        end local 0 // io.netty.channel.nio.NioTask task
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    5     0   task  Lio/netty/channel/nio/NioTask<Ljava/nio/channels/SelectableChannel;>;
            0    5     1      k  Ljava/nio/channels/SelectionKey;
            0    5     2  cause  Ljava/lang/Throwable;
            3    4     3      e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.Exception
    Signature: (Lio/netty/channel/nio/NioTask<Ljava/nio/channels/SelectableChannel;>;Ljava/nio/channels/SelectionKey;Ljava/lang/Throwable;)V
    MethodParameters:
       Name  Flags
      task   
      k      
      cause  

  protected void wakeup(boolean);
    descriptor: (Z)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // io.netty.channel.nio.NioEventLoop this
        start local 1 // boolean inEventLoop
         0: .line 709
            iload 1 /* inEventLoop */
            ifne 2
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.wakenUp:Ljava/util/concurrent/atomic/AtomicBoolean;
            iconst_0
            iconst_1
            invokevirtual java.util.concurrent.atomic.AtomicBoolean.compareAndSet:(ZZ)Z
            ifeq 2
         1: .line 710
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selector:Ljava/nio/channels/Selector;
            invokevirtual java.nio.channels.Selector.wakeup:()Ljava/nio/channels/Selector;
            pop
         2: .line 712
      StackMap locals:
      StackMap stack:
            return
        end local 1 // boolean inEventLoop
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    3     0         this  Lio/netty/channel/nio/NioEventLoop;
            0    3     1  inEventLoop  Z
    MethodParameters:
             Name  Flags
      inEventLoop  

  java.nio.channels.Selector unwrappedSelector();
    descriptor: ()Ljava/nio/channels/Selector;
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.channel.nio.NioEventLoop this
         0: .line 715
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.unwrappedSelector:Ljava/nio/channels/Selector;
            areturn
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/channel/nio/NioEventLoop;

  int selectNow();
    descriptor: ()I
    flags: (0x0000) 
    Code:
      stack=1, locals=3, args_size=1
        start local 0 // io.netty.channel.nio.NioEventLoop this
         0: .line 720
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selector:Ljava/nio/channels/Selector;
            invokevirtual java.nio.channels.Selector.selectNow:()I
            istore 2
         1: .line 723
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.wakenUp:Ljava/util/concurrent/atomic/AtomicBoolean;
            invokevirtual java.util.concurrent.atomic.AtomicBoolean.get:()Z
            ifeq 3
         2: .line 724
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selector:Ljava/nio/channels/Selector;
            invokevirtual java.nio.channels.Selector.wakeup:()Ljava/nio/channels/Selector;
            pop
         3: .line 720
      StackMap locals: io.netty.channel.nio.NioEventLoop top int
      StackMap stack:
            iload 2
            ireturn
         4: .line 721
      StackMap locals: io.netty.channel.nio.NioEventLoop
      StackMap stack: java.lang.Throwable
            astore 1
         5: .line 723
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.wakenUp:Ljava/util/concurrent/atomic/AtomicBoolean;
            invokevirtual java.util.concurrent.atomic.AtomicBoolean.get:()Z
            ifeq 7
         6: .line 724
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selector:Ljava/nio/channels/Selector;
            invokevirtual java.nio.channels.Selector.wakeup:()Ljava/nio/channels/Selector;
            pop
         7: .line 726
      StackMap locals: java.lang.Throwable
      StackMap stack:
            aload 1
            athrow
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Lio/netty/channel/nio/NioEventLoop;
      Exception table:
        from    to  target  type
           0     1       4  any
    Exceptions:
      throws java.io.IOException

  private void select(boolean);
    descriptor: (Z)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=13, args_size=2
        start local 0 // io.netty.channel.nio.NioEventLoop this
        start local 1 // boolean oldWakenUp
         0: .line 730
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selector:Ljava/nio/channels/Selector;
            astore 2 /* selector */
        start local 2 // java.nio.channels.Selector selector
         1: .line 732
            iconst_0
            istore 3 /* selectCnt */
        start local 3 // int selectCnt
         2: .line 733
            invokestatic java.lang.System.nanoTime:()J
            lstore 4 /* currentTimeNanos */
        start local 4 // long currentTimeNanos
         3: .line 734
            lload 4 /* currentTimeNanos */
            aload 0 /* this */
            lload 4 /* currentTimeNanos */
            invokevirtual io.netty.channel.nio.NioEventLoop.delayNanos:(J)J
            ladd
            lstore 6 /* selectDeadLineNanos */
        start local 6 // long selectDeadLineNanos
         4: .line 737
      StackMap locals: io.netty.channel.nio.NioEventLoop int java.nio.channels.Selector int long long
      StackMap stack:
            lload 6 /* selectDeadLineNanos */
            lload 4 /* currentTimeNanos */
            lsub
            ldc 500000
            ladd
            ldc 1000000
            ldiv
            lstore 8 /* timeoutMillis */
        start local 8 // long timeoutMillis
         5: .line 738
            lload 8 /* timeoutMillis */
            lconst_0
            lcmp
            ifgt 10
         6: .line 739
            iload 3 /* selectCnt */
            ifne 40
         7: .line 740
            aload 2 /* selector */
            invokevirtual java.nio.channels.Selector.selectNow:()I
            pop
         8: .line 741
            iconst_1
            istore 3 /* selectCnt */
         9: .line 743
            goto 40
        10: .line 750
      StackMap locals: long
      StackMap stack:
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.hasTasks:()Z
            ifeq 14
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.wakenUp:Ljava/util/concurrent/atomic/AtomicBoolean;
            iconst_0
            iconst_1
            invokevirtual java.util.concurrent.atomic.AtomicBoolean.compareAndSet:(ZZ)Z
            ifeq 14
        11: .line 751
            aload 2 /* selector */
            invokevirtual java.nio.channels.Selector.selectNow:()I
            pop
        12: .line 752
            iconst_1
            istore 3 /* selectCnt */
        13: .line 753
            goto 40
        14: .line 756
      StackMap locals:
      StackMap stack:
            aload 2 /* selector */
            lload 8 /* timeoutMillis */
            invokevirtual java.nio.channels.Selector.select:(J)I
            istore 10 /* selectedKeys */
        start local 10 // int selectedKeys
        15: .line 757
            iinc 3 /* selectCnt */ 1
        16: .line 759
            iload 10 /* selectedKeys */
            ifne 40
            iload 1 /* oldWakenUp */
            ifne 40
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.wakenUp:Ljava/util/concurrent/atomic/AtomicBoolean;
            invokevirtual java.util.concurrent.atomic.AtomicBoolean.get:()Z
            ifne 40
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.hasTasks:()Z
            ifne 40
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.hasScheduledTasks:()Z
            ifeq 18
        17: .line 764
            goto 40
        18: .line 766
      StackMap locals: int
      StackMap stack:
            invokestatic java.lang.Thread.interrupted:()Z
            ifeq 23
        19: .line 772
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            invokeinterface io.netty.util.internal.logging.InternalLogger.isDebugEnabled:()Z
            ifeq 21
        20: .line 773
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "Selector.select() returned prematurely because Thread.currentThread().interrupt() was called. Use NioEventLoop.shutdownGracefully() to shutdown the NioEventLoop."
            invokeinterface io.netty.util.internal.logging.InternalLogger.debug:(Ljava/lang/String;)V
        21: .line 777
      StackMap locals:
      StackMap stack:
            iconst_1
            istore 3 /* selectCnt */
        22: .line 778
            goto 40
        23: .line 781
      StackMap locals:
      StackMap stack:
            invokestatic java.lang.System.nanoTime:()J
            lstore 11 /* time */
        start local 11 // long time
        24: .line 782
            lload 11 /* time */
            getstatic java.util.concurrent.TimeUnit.MILLISECONDS:Ljava/util/concurrent/TimeUnit;
            lload 8 /* timeoutMillis */
            invokevirtual java.util.concurrent.TimeUnit.toNanos:(J)J
            lsub
            lload 4 /* currentTimeNanos */
            lcmp
            iflt 27
        25: .line 784
            iconst_1
            istore 3 /* selectCnt */
        26: .line 785
            goto 38
      StackMap locals: long
      StackMap stack:
        27: getstatic io.netty.channel.nio.NioEventLoop.SELECTOR_AUTO_REBUILD_THRESHOLD:I
            ifle 38
        28: .line 786
            iload 3 /* selectCnt */
            getstatic io.netty.channel.nio.NioEventLoop.SELECTOR_AUTO_REBUILD_THRESHOLD:I
            if_icmplt 38
        29: .line 789
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
        30: .line 790
            ldc "Selector.select() returned prematurely {} times in a row; rebuilding Selector {}."
        31: .line 791
            iload 3 /* selectCnt */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            aload 2 /* selector */
        32: .line 789
            invokeinterface io.netty.util.internal.logging.InternalLogger.warn:(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V
        33: .line 793
            aload 0 /* this */
            invokevirtual io.netty.channel.nio.NioEventLoop.rebuildSelector:()V
        34: .line 794
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selector:Ljava/nio/channels/Selector;
            astore 2 /* selector */
        35: .line 797
            aload 2 /* selector */
            invokevirtual java.nio.channels.Selector.selectNow:()I
            pop
        36: .line 798
            iconst_1
            istore 3 /* selectCnt */
        37: .line 799
            goto 40
        38: .line 802
      StackMap locals:
      StackMap stack:
            lload 11 /* time */
            lstore 4 /* currentTimeNanos */
        end local 11 // long time
        end local 10 // int selectedKeys
        end local 8 // long timeoutMillis
        39: .line 736
            goto 4
        40: .line 805
      StackMap locals:
      StackMap stack:
            iload 3 /* selectCnt */
            iconst_3
            if_icmple 51
        41: .line 806
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            invokeinterface io.netty.util.internal.logging.InternalLogger.isDebugEnabled:()Z
            ifeq 51
        42: .line 807
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "Selector.select() returned prematurely {} times in a row for Selector {}."
        43: .line 808
            iload 3 /* selectCnt */
            iconst_1
            isub
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            aload 2 /* selector */
        44: .line 807
            invokeinterface io.netty.util.internal.logging.InternalLogger.debug:(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V
        end local 6 // long selectDeadLineNanos
        end local 4 // long currentTimeNanos
        end local 3 // int selectCnt
        45: .line 811
            goto 51
      StackMap locals: io.netty.channel.nio.NioEventLoop int java.nio.channels.Selector
      StackMap stack: java.nio.channels.CancelledKeyException
        46: astore 3 /* e */
        start local 3 // java.nio.channels.CancelledKeyException e
        47: .line 812
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            invokeinterface io.netty.util.internal.logging.InternalLogger.isDebugEnabled:()Z
            ifeq 51
        48: .line 813
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            new java.lang.StringBuilder
            dup
            ldc Ljava/nio/channels/CancelledKeyException;
            invokevirtual java.lang.Class.getSimpleName:()Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " raised by a Selector {} - JDK bug?"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        49: .line 814
            aload 2 /* selector */
            aload 3 /* e */
        50: .line 813
            invokeinterface io.netty.util.internal.logging.InternalLogger.debug:(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V
        end local 3 // java.nio.channels.CancelledKeyException e
        51: .line 818
      StackMap locals:
      StackMap stack:
            return
        end local 2 // java.nio.channels.Selector selector
        end local 1 // boolean oldWakenUp
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot                 Name  Signature
            0   52     0                 this  Lio/netty/channel/nio/NioEventLoop;
            0   52     1           oldWakenUp  Z
            1   52     2             selector  Ljava/nio/channels/Selector;
            2   45     3            selectCnt  I
            3   45     4     currentTimeNanos  J
            4   45     6  selectDeadLineNanos  J
            5   39     8        timeoutMillis  J
           15   39    10         selectedKeys  I
           24   39    11                 time  J
           47   51     3                    e  Ljava/nio/channels/CancelledKeyException;
      Exception table:
        from    to  target  type
           1    45      46  Class java.nio.channels.CancelledKeyException
    Exceptions:
      throws java.io.IOException
    MethodParameters:
            Name  Flags
      oldWakenUp  

  private void selectAgain();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // io.netty.channel.nio.NioEventLoop this
         0: .line 821
            aload 0 /* this */
            iconst_0
            putfield io.netty.channel.nio.NioEventLoop.needsToSelectAgain:Z
         1: .line 823
            aload 0 /* this */
            getfield io.netty.channel.nio.NioEventLoop.selector:Ljava/nio/channels/Selector;
            invokevirtual java.nio.channels.Selector.selectNow:()I
            pop
         2: .line 824
            goto 5
      StackMap locals:
      StackMap stack: java.lang.Throwable
         3: astore 1 /* t */
        start local 1 // java.lang.Throwable t
         4: .line 825
            getstatic io.netty.channel.nio.NioEventLoop.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "Failed to update SelectionKeys."
            aload 1 /* t */
            invokeinterface io.netty.util.internal.logging.InternalLogger.warn:(Ljava/lang/String;Ljava/lang/Throwable;)V
        end local 1 // java.lang.Throwable t
         5: .line 827
      StackMap locals:
      StackMap stack:
            return
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lio/netty/channel/nio/NioEventLoop;
            4    5     1     t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           1     2       3  Class java.lang.Throwable

  protected void validateScheduled(long, java.util.concurrent.TimeUnit);
    descriptor: (JLjava/util/concurrent/TimeUnit;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=6, args_size=3
        start local 0 // io.netty.channel.nio.NioEventLoop this
        start local 1 // long amount
        start local 3 // java.util.concurrent.TimeUnit unit
         0: .line 831
            aload 3 /* unit */
            lload 1 /* amount */
            invokevirtual java.util.concurrent.TimeUnit.toDays:(J)J
            lstore 4 /* days */
        start local 4 // long days
         1: .line 832
            lload 4 /* days */
            ldc 1095
            lcmp
            ifle 3
         2: .line 833
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "days: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            lload 4 /* days */
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            ldc " (expected: < "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc 1095
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            bipush 41
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 835
      StackMap locals: long
      StackMap stack:
            return
        end local 4 // long days
        end local 3 // java.util.concurrent.TimeUnit unit
        end local 1 // long amount
        end local 0 // io.netty.channel.nio.NioEventLoop this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0    this  Lio/netty/channel/nio/NioEventLoop;
            0    4     1  amount  J
            0    4     3    unit  Ljava/util/concurrent/TimeUnit;
            1    4     4    days  J
    MethodParameters:
        Name  Flags
      amount  
      unit    

  static int access$0(io.netty.channel.nio.NioEventLoop);
    descriptor: (Lio/netty/channel/nio/NioEventLoop;)I
    flags: (0x1008) ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokespecial io.netty.channel.SingleThreadEventLoop.pendingTasks:()I
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
SourceFile: "NioEventLoop.java"
NestMembers:
  io.netty.channel.nio.NioEventLoop$1  io.netty.channel.nio.NioEventLoop$2  io.netty.channel.nio.NioEventLoop$3  io.netty.channel.nio.NioEventLoop$4  io.netty.channel.nio.NioEventLoop$5  io.netty.channel.nio.NioEventLoop$6  io.netty.channel.nio.NioEventLoop$SelectorTuple
InnerClasses:
  public abstract NioUnsafe = io.netty.channel.nio.AbstractNioChannel$NioUnsafe of io.netty.channel.nio.AbstractNioChannel
  io.netty.channel.nio.NioEventLoop$1
  io.netty.channel.nio.NioEventLoop$2
  io.netty.channel.nio.NioEventLoop$3
  io.netty.channel.nio.NioEventLoop$4
  io.netty.channel.nio.NioEventLoop$5
  io.netty.channel.nio.NioEventLoop$6
  private final SelectorTuple = io.netty.channel.nio.NioEventLoop$SelectorTuple of io.netty.channel.nio.NioEventLoop