public final class io.netty.channel.epoll.Epoll
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: io.netty.channel.epoll.Epoll
  super_class: java.lang.Object
{
  private static final java.lang.Throwable UNAVAILABILITY_CAUSE;
    descriptor: Ljava/lang/Throwable;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=5, args_size=0
         0: .line 30
            aconst_null
            astore 0 /* cause */
        start local 0 // java.lang.Throwable cause
         1: .line 32
            ldc "io.netty.transport.noNative"
            iconst_0
            invokestatic io.netty.util.internal.SystemPropertyUtil.getBoolean:(Ljava/lang/String;Z)Z
            ifeq 6
         2: .line 33
            new java.lang.UnsupportedOperationException
            dup
         3: .line 34
            ldc "Native transport was explicit disabled with -Dio.netty.transport.noNative=true"
         4: .line 33
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            astore 0 /* cause */
         5: .line 35
            goto 39
         6: .line 36
      StackMap locals: java.lang.Throwable
      StackMap stack:
            aconst_null
            astore 1 /* epollFd */
        start local 1 // io.netty.channel.unix.FileDescriptor epollFd
         7: .line 37
            aconst_null
            astore 2 /* eventFd */
        start local 2 // io.netty.channel.unix.FileDescriptor eventFd
         8: .line 39
            invokestatic io.netty.channel.epoll.Native.newEpollCreate:()Lio/netty/channel/unix/FileDescriptor;
            astore 1 /* epollFd */
         9: .line 40
            invokestatic io.netty.channel.epoll.Native.newEventFd:()Lio/netty/channel/unix/FileDescriptor;
            astore 2 /* eventFd */
        10: .line 41
            goto 31
      StackMap locals: java.lang.Throwable io.netty.channel.unix.FileDescriptor io.netty.channel.unix.FileDescriptor
      StackMap stack: java.lang.Throwable
        11: astore 3 /* t */
        start local 3 // java.lang.Throwable t
        12: .line 42
            aload 3 /* t */
            astore 0 /* cause */
        end local 3 // java.lang.Throwable t
        13: .line 44
            aload 1 /* epollFd */
            ifnull 17
        14: .line 46
            aload 1 /* epollFd */
            invokevirtual io.netty.channel.unix.FileDescriptor.close:()V
        15: .line 47
            goto 17
      StackMap locals:
      StackMap stack: java.lang.Exception
        16: pop
        17: .line 51
      StackMap locals:
      StackMap stack:
            aload 2 /* eventFd */
            ifnull 39
        18: .line 53
            aload 2 /* eventFd */
            invokevirtual io.netty.channel.unix.FileDescriptor.close:()V
        19: .line 54
            goto 39
      StackMap locals:
      StackMap stack: java.lang.Exception
        20: pop
            goto 39
        21: .line 43
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 4
        22: .line 44
            aload 1 /* epollFd */
            ifnull 26
        23: .line 46
            aload 1 /* epollFd */
            invokevirtual io.netty.channel.unix.FileDescriptor.close:()V
        24: .line 47
            goto 26
      StackMap locals: java.lang.Throwable io.netty.channel.unix.FileDescriptor io.netty.channel.unix.FileDescriptor top java.lang.Throwable
      StackMap stack: java.lang.Exception
        25: pop
        26: .line 51
      StackMap locals:
      StackMap stack:
            aload 2 /* eventFd */
            ifnull 30
        27: .line 53
            aload 2 /* eventFd */
            invokevirtual io.netty.channel.unix.FileDescriptor.close:()V
        28: .line 54
            goto 30
      StackMap locals:
      StackMap stack: java.lang.Exception
        29: pop
        30: .line 58
      StackMap locals:
      StackMap stack:
            aload 4
            athrow
        31: .line 44
      StackMap locals: java.lang.Throwable io.netty.channel.unix.FileDescriptor io.netty.channel.unix.FileDescriptor
      StackMap stack:
            aload 1 /* epollFd */
            ifnull 35
        32: .line 46
            aload 1 /* epollFd */
            invokevirtual io.netty.channel.unix.FileDescriptor.close:()V
        33: .line 47
            goto 35
      StackMap locals:
      StackMap stack: java.lang.Exception
        34: pop
        35: .line 51
      StackMap locals:
      StackMap stack:
            aload 2 /* eventFd */
            ifnull 39
        36: .line 53
            aload 2 /* eventFd */
            invokevirtual io.netty.channel.unix.FileDescriptor.close:()V
        37: .line 54
            goto 39
      StackMap locals:
      StackMap stack: java.lang.Exception
        38: pop
        end local 2 // io.netty.channel.unix.FileDescriptor eventFd
        end local 1 // io.netty.channel.unix.FileDescriptor epollFd
        39: .line 61
      StackMap locals:
      StackMap stack:
            aload 0 /* cause */
            ifnull 42
        40: .line 62
            aload 0 /* cause */
            putstatic io.netty.channel.epoll.Epoll.UNAVAILABILITY_CAUSE:Ljava/lang/Throwable;
        41: .line 63
            goto 49
        42: .line 64
      StackMap locals:
      StackMap stack:
            invokestatic io.netty.util.internal.PlatformDependent.hasUnsafe:()Z
            ifeq 44
        43: .line 65
            aconst_null
            goto 48
        44: .line 66
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalStateException
            dup
        45: .line 67
            ldc "sun.misc.Unsafe not available"
        46: .line 68
            invokestatic io.netty.util.internal.PlatformDependent.getUnsafeUnavailabilityCause:()Ljava/lang/Throwable;
        47: .line 66
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
        48: .line 64
      StackMap locals:
      StackMap stack: java.lang.IllegalStateException
            putstatic io.netty.channel.epoll.Epoll.UNAVAILABILITY_CAUSE:Ljava/lang/Throwable;
        end local 0 // java.lang.Throwable cause
        49: .line 70
      StackMap locals:
      StackMap stack:
            return
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            1   49     0    cause  Ljava/lang/Throwable;
            7   39     1  epollFd  Lio/netty/channel/unix/FileDescriptor;
            8   39     2  eventFd  Lio/netty/channel/unix/FileDescriptor;
           12   13     3        t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           8    10      11  Class java.lang.Throwable
          14    15      16  Class java.lang.Exception
          18    19      20  Class java.lang.Exception
           8    13      21  any
          23    24      25  Class java.lang.Exception
          27    28      29  Class java.lang.Exception
          32    33      34  Class java.lang.Exception
          36    37      38  Class java.lang.Exception

  public static boolean isAvailable();
    descriptor: ()Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 77
            getstatic io.netty.channel.epoll.Epoll.UNAVAILABILITY_CAUSE:Ljava/lang/Throwable;
            ifnonnull 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static void ensureAvailability();
    descriptor: ()V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 87
            getstatic io.netty.channel.epoll.Epoll.UNAVAILABILITY_CAUSE:Ljava/lang/Throwable;
            ifnull 6
         1: .line 88
            new java.lang.UnsatisfiedLinkError
            dup
         2: .line 89
            ldc "failed to load the required native library"
         3: .line 88
            invokespecial java.lang.UnsatisfiedLinkError.<init>:(Ljava/lang/String;)V
         4: .line 89
            getstatic io.netty.channel.epoll.Epoll.UNAVAILABILITY_CAUSE:Ljava/lang/Throwable;
            invokevirtual java.lang.UnsatisfiedLinkError.initCause:(Ljava/lang/Throwable;)Ljava/lang/Throwable;
         5: .line 88
            checkcast java.lang.Error
            athrow
         6: .line 91
      StackMap locals:
      StackMap stack:
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static java.lang.Throwable unavailabilityCause();
    descriptor: ()Ljava/lang/Throwable;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 100
            getstatic io.netty.channel.epoll.Epoll.UNAVAILABILITY_CAUSE:Ljava/lang/Throwable;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.channel.epoll.Epoll this
         0: .line 103
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // io.netty.channel.epoll.Epoll this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/channel/epoll/Epoll;
}
SourceFile: "Epoll.java"