io.netty/netty-all/4.1.25.Final : io/netty/channel/epoll/Native.class

Native
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)
Apache License, Version 2.0
The Netty Project Contributors (The Netty Project)
public final class io.netty.channel.epoll.Native
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: io.netty.channel.epoll.Native
  super_class: java.lang.Object
{
  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

  public static final int EPOLLIN;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final int EPOLLOUT;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final int EPOLLRDHUP;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final int EPOLLET;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final int EPOLLERR;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final boolean IS_SUPPORTING_SENDMMSG;
    descriptor: Z
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final boolean IS_SUPPORTING_TCP_FASTOPEN;
    descriptor: Z
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final int TCP_MD5SIG_MAXKEYLEN;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final java.lang.String KERNEL_VERSION;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

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

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

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

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

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 52
            ldc Lio/netty/channel/epoll/Native;
            invokestatic io.netty.util.internal.logging.InternalLoggerFactory.getInstance:(Ljava/lang/Class;)Lio/netty/util/internal/logging/InternalLogger;
            putstatic io.netty.channel.epoll.Native.logger:Lio/netty/util/internal/logging/InternalLogger;
         1: .line 58
            invokestatic io.netty.channel.epoll.Native.offsetofEpollData:()I
            pop
         2: .line 59
            goto 5
      StackMap locals:
      StackMap stack: java.lang.UnsatisfiedLinkError
         3: pop
         4: .line 61
            invokestatic io.netty.channel.epoll.Native.loadNativeLibrary:()V
         5: .line 63
      StackMap locals:
      StackMap stack:
            invokestatic io.netty.channel.unix.Socket.initialize:()V
         6: .line 67
            invokestatic io.netty.channel.epoll.NativeStaticallyReferencedJniMethods.epollin:()I
            putstatic io.netty.channel.epoll.Native.EPOLLIN:I
         7: .line 68
            invokestatic io.netty.channel.epoll.NativeStaticallyReferencedJniMethods.epollout:()I
            putstatic io.netty.channel.epoll.Native.EPOLLOUT:I
         8: .line 69
            invokestatic io.netty.channel.epoll.NativeStaticallyReferencedJniMethods.epollrdhup:()I
            putstatic io.netty.channel.epoll.Native.EPOLLRDHUP:I
         9: .line 70
            invokestatic io.netty.channel.epoll.NativeStaticallyReferencedJniMethods.epollet:()I
            putstatic io.netty.channel.epoll.Native.EPOLLET:I
        10: .line 71
            invokestatic io.netty.channel.epoll.NativeStaticallyReferencedJniMethods.epollerr:()I
            putstatic io.netty.channel.epoll.Native.EPOLLERR:I
        11: .line 73
            invokestatic io.netty.channel.epoll.NativeStaticallyReferencedJniMethods.isSupportingSendmmsg:()Z
            putstatic io.netty.channel.epoll.Native.IS_SUPPORTING_SENDMMSG:Z
        12: .line 74
            invokestatic io.netty.channel.epoll.NativeStaticallyReferencedJniMethods.isSupportingTcpFastopen:()Z
            putstatic io.netty.channel.epoll.Native.IS_SUPPORTING_TCP_FASTOPEN:Z
        13: .line 75
            invokestatic io.netty.channel.epoll.NativeStaticallyReferencedJniMethods.tcpMd5SigMaxKeyLen:()I
            putstatic io.netty.channel.epoll.Native.TCP_MD5SIG_MAXKEYLEN:I
        14: .line 76
            invokestatic io.netty.channel.epoll.NativeStaticallyReferencedJniMethods.kernelVersion:()Ljava/lang/String;
            putstatic io.netty.channel.epoll.Native.KERNEL_VERSION:Ljava/lang/String;
        15: .line 81
            new java.nio.channels.ClosedChannelException
            dup
            invokespecial java.nio.channels.ClosedChannelException.<init>:()V
            ldc Lio/netty/channel/epoll/Native;
            ldc "sendmmsg(...)"
        16: .line 80
            invokestatic io.netty.util.internal.ThrowableUtil.unknownStackTrace:(Ljava/lang/Throwable;Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Throwable;
            checkcast java.nio.channels.ClosedChannelException
            putstatic io.netty.channel.epoll.Native.SENDMMSG_CLOSED_CHANNEL_EXCEPTION:Ljava/nio/channels/ClosedChannelException;
        17: .line 83
            new java.nio.channels.ClosedChannelException
            dup
            invokespecial java.nio.channels.ClosedChannelException.<init>:()V
            ldc Lio/netty/channel/epoll/Native;
            ldc "splice(...)"
        18: .line 82
            invokestatic io.netty.util.internal.ThrowableUtil.unknownStackTrace:(Ljava/lang/Throwable;Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Throwable;
            checkcast java.nio.channels.ClosedChannelException
            putstatic io.netty.channel.epoll.Native.SPLICE_CLOSED_CHANNEL_EXCEPTION:Ljava/nio/channels/ClosedChannelException;
        19: .line 86
            ldc "syscall:sendmmsg(...)"
        20: .line 87
            getstatic io.netty.channel.unix.Errors.ERRNO_EPIPE_NEGATIVE:I
        21: .line 86
            invokestatic io.netty.channel.unix.Errors.newConnectionResetException:(Ljava/lang/String;I)Lio/netty/channel/unix/Errors$NativeIoException;
            putstatic io.netty.channel.epoll.Native.SENDMMSG_CONNECTION_RESET_EXCEPTION:Lio/netty/channel/unix/Errors$NativeIoException;
        22: .line 88
            ldc "syscall:splice(...)"
        23: .line 89
            getstatic io.netty.channel.unix.Errors.ERRNO_EPIPE_NEGATIVE:I
        24: .line 88
            invokestatic io.netty.channel.unix.Errors.newConnectionResetException:(Ljava/lang/String;I)Lio/netty/channel/unix/Errors$NativeIoException;
            putstatic io.netty.channel.epoll.Native.SPLICE_CONNECTION_RESET_EXCEPTION:Lio/netty/channel/unix/Errors$NativeIoException;
        25: .line 90
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature
      Exception table:
        from    to  target  type
           1     2       3  Class java.lang.UnsatisfiedLinkError

  public static io.netty.channel.unix.FileDescriptor newEventFd();
    descriptor: ()Lio/netty/channel/unix/FileDescriptor;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 93
            new io.netty.channel.unix.FileDescriptor
            dup
            invokestatic io.netty.channel.epoll.Native.eventFd:()I
            invokespecial io.netty.channel.unix.FileDescriptor.<init>:(I)V
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static io.netty.channel.unix.FileDescriptor newTimerFd();
    descriptor: ()Lio/netty/channel/unix/FileDescriptor;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 97
            new io.netty.channel.unix.FileDescriptor
            dup
            invokestatic io.netty.channel.epoll.Native.timerFd:()I
            invokespecial io.netty.channel.unix.FileDescriptor.<init>:(I)V
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private static native int eventFd();
    descriptor: ()I
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE

  private static native int timerFd();
    descriptor: ()I
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE

  public static native void eventFdWrite(int, long);
    descriptor: (IJ)V
    flags: (0x0109) ACC_PUBLIC, ACC_STATIC, ACC_NATIVE
    MethodParameters:
       Name  Flags
      fd     
      value  

  public static native void eventFdRead(int);
    descriptor: (I)V
    flags: (0x0109) ACC_PUBLIC, ACC_STATIC, ACC_NATIVE
    MethodParameters:
      Name  Flags
      fd    

  static native void timerFdRead(int);
    descriptor: (I)V
    flags: (0x0108) ACC_STATIC, ACC_NATIVE
    MethodParameters:
      Name  Flags
      fd    

  public static io.netty.channel.unix.FileDescriptor newEpollCreate();
    descriptor: ()Lio/netty/channel/unix/FileDescriptor;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 107
            new io.netty.channel.unix.FileDescriptor
            dup
            invokestatic io.netty.channel.epoll.Native.epollCreate:()I
            invokespecial io.netty.channel.unix.FileDescriptor.<init>:(I)V
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private static native int epollCreate();
    descriptor: ()I
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE

  public static int epollWait(io.netty.channel.unix.FileDescriptor, io.netty.channel.epoll.EpollEventArray, io.netty.channel.unix.FileDescriptor, int, int);
    descriptor: (Lio/netty/channel/unix/FileDescriptor;Lio/netty/channel/epoll/EpollEventArray;Lio/netty/channel/unix/FileDescriptor;II)I
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=7, locals=6, args_size=5
        start local 0 // io.netty.channel.unix.FileDescriptor epollFd
        start local 1 // io.netty.channel.epoll.EpollEventArray events
        start local 2 // io.netty.channel.unix.FileDescriptor timerFd
        start local 3 // int timeoutSec
        start local 4 // int timeoutNs
         0: .line 114
            aload 0 /* epollFd */
            invokevirtual io.netty.channel.unix.FileDescriptor.intValue:()I
            aload 1 /* events */
            invokevirtual io.netty.channel.epoll.EpollEventArray.memoryAddress:()J
            aload 1 /* events */
            invokevirtual io.netty.channel.epoll.EpollEventArray.length:()I
            aload 2 /* timerFd */
            invokevirtual io.netty.channel.unix.FileDescriptor.intValue:()I
         1: .line 115
            iload 3 /* timeoutSec */
            iload 4 /* timeoutNs */
         2: .line 114
            invokestatic io.netty.channel.epoll.Native.epollWait0:(IJIIII)I
            istore 5 /* ready */
        start local 5 // int ready
         3: .line 116
            iload 5 /* ready */
            ifge 5
         4: .line 117
            ldc "epoll_wait"
            iload 5 /* ready */
            invokestatic io.netty.channel.unix.Errors.newIOException:(Ljava/lang/String;I)Lio/netty/channel/unix/Errors$NativeIoException;
            athrow
         5: .line 119
      StackMap locals: int
      StackMap stack:
            iload 5 /* ready */
            ireturn
        end local 5 // int ready
        end local 4 // int timeoutNs
        end local 3 // int timeoutSec
        end local 2 // io.netty.channel.unix.FileDescriptor timerFd
        end local 1 // io.netty.channel.epoll.EpollEventArray events
        end local 0 // io.netty.channel.unix.FileDescriptor epollFd
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    6     0     epollFd  Lio/netty/channel/unix/FileDescriptor;
            0    6     1      events  Lio/netty/channel/epoll/EpollEventArray;
            0    6     2     timerFd  Lio/netty/channel/unix/FileDescriptor;
            0    6     3  timeoutSec  I
            0    6     4   timeoutNs  I
            3    6     5       ready  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
            Name  Flags
      epollFd     
      events      
      timerFd     
      timeoutSec  
      timeoutNs   

  private static native int epollWait0(int, long, int, int, int, int);
    descriptor: (IJIIII)I
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    MethodParameters:
            Name  Flags
      efd         
      address     
      len         
      timerFd     
      timeoutSec  
      timeoutNs   

  public static void epollCtlAdd(int, int, int);
    descriptor: (III)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // int efd
        start local 1 // int fd
        start local 2 // int flags
         0: .line 124
            iload 0 /* efd */
            iload 1 /* fd */
            iload 2 /* flags */
            invokestatic io.netty.channel.epoll.Native.epollCtlAdd0:(III)I
            istore 3 /* res */
        start local 3 // int res
         1: .line 125
            iload 3 /* res */
            ifge 3
         2: .line 126
            ldc "epoll_ctl"
            iload 3 /* res */
            invokestatic io.netty.channel.unix.Errors.newIOException:(Ljava/lang/String;I)Lio/netty/channel/unix/Errors$NativeIoException;
            athrow
         3: .line 128
      StackMap locals: int
      StackMap stack:
            return
        end local 3 // int res
        end local 2 // int flags
        end local 1 // int fd
        end local 0 // int efd
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0    efd  I
            0    4     1     fd  I
            0    4     2  flags  I
            1    4     3    res  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      efd    
      fd     final
      flags  final

  private static native int epollCtlAdd0(int, int, int);
    descriptor: (III)I
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    MethodParameters:
       Name  Flags
      efd    
      fd     final
      flags  final

  public static void epollCtlMod(int, int, int);
    descriptor: (III)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // int efd
        start local 1 // int fd
        start local 2 // int flags
         0: .line 132
            iload 0 /* efd */
            iload 1 /* fd */
            iload 2 /* flags */
            invokestatic io.netty.channel.epoll.Native.epollCtlMod0:(III)I
            istore 3 /* res */
        start local 3 // int res
         1: .line 133
            iload 3 /* res */
            ifge 3
         2: .line 134
            ldc "epoll_ctl"
            iload 3 /* res */
            invokestatic io.netty.channel.unix.Errors.newIOException:(Ljava/lang/String;I)Lio/netty/channel/unix/Errors$NativeIoException;
            athrow
         3: .line 136
      StackMap locals: int
      StackMap stack:
            return
        end local 3 // int res
        end local 2 // int flags
        end local 1 // int fd
        end local 0 // int efd
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0    efd  I
            0    4     1     fd  I
            0    4     2  flags  I
            1    4     3    res  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      efd    
      fd     final
      flags  final

  private static native int epollCtlMod0(int, int, int);
    descriptor: (III)I
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    MethodParameters:
       Name  Flags
      efd    
      fd     final
      flags  final

  public static void epollCtlDel(int, int);
    descriptor: (II)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // int efd
        start local 1 // int fd
         0: .line 140
            iload 0 /* efd */
            iload 1 /* fd */
            invokestatic io.netty.channel.epoll.Native.epollCtlDel0:(II)I
            istore 2 /* res */
        start local 2 // int res
         1: .line 141
            iload 2 /* res */
            ifge 3
         2: .line 142
            ldc "epoll_ctl"
            iload 2 /* res */
            invokestatic io.netty.channel.unix.Errors.newIOException:(Ljava/lang/String;I)Lio/netty/channel/unix/Errors$NativeIoException;
            athrow
         3: .line 144
      StackMap locals: int
      StackMap stack:
            return
        end local 2 // int res
        end local 1 // int fd
        end local 0 // int efd
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0   efd  I
            0    4     1    fd  I
            1    4     2   res  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      efd   
      fd    final

  private static native int epollCtlDel0(int, int);
    descriptor: (II)I
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    MethodParameters:
      Name  Flags
      efd   
      fd    final

  public static int splice(int, long, int, long, long);
    descriptor: (IJIJJ)I
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=8, locals=9, args_size=5
        start local 0 // int fd
        start local 1 // long offIn
        start local 3 // int fdOut
        start local 4 // long offOut
        start local 6 // long len
         0: .line 149
            iload 0 /* fd */
            lload 1 /* offIn */
            iload 3 /* fdOut */
            lload 4 /* offOut */
            lload 6 /* len */
            invokestatic io.netty.channel.epoll.Native.splice0:(IJIJJ)I
            istore 8 /* res */
        start local 8 // int res
         1: .line 150
            iload 8 /* res */
            iflt 3
         2: .line 151
            iload 8 /* res */
            ireturn
         3: .line 153
      StackMap locals: int
      StackMap stack:
            ldc "splice"
            iload 8 /* res */
            getstatic io.netty.channel.epoll.Native.SPLICE_CONNECTION_RESET_EXCEPTION:Lio/netty/channel/unix/Errors$NativeIoException;
            getstatic io.netty.channel.epoll.Native.SPLICE_CLOSED_CHANNEL_EXCEPTION:Ljava/nio/channels/ClosedChannelException;
            invokestatic io.netty.channel.unix.Errors.ioResult:(Ljava/lang/String;ILio/netty/channel/unix/Errors$NativeIoException;Ljava/nio/channels/ClosedChannelException;)I
            ireturn
        end local 8 // int res
        end local 6 // long len
        end local 4 // long offOut
        end local 3 // int fdOut
        end local 1 // long offIn
        end local 0 // int fd
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0      fd  I
            0    4     1   offIn  J
            0    4     3   fdOut  I
            0    4     4  offOut  J
            0    4     6     len  J
            1    4     8     res  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      fd      
      offIn   
      fdOut   
      offOut  
      len     

  private static native int splice0(int, long, int, long, long);
    descriptor: (IJIJJ)I
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    MethodParameters:
        Name  Flags
      fd      
      offIn   
      fdOut   
      offOut  
      len     

  public static int sendmmsg(int, io.netty.channel.epoll.NativeDatagramPacketArray$NativeDatagramPacket[], int, int);
    descriptor: (I[Lio/netty/channel/epoll/NativeDatagramPacketArray$NativeDatagramPacket;II)I
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=5, args_size=4
        start local 0 // int fd
        start local 1 // io.netty.channel.epoll.NativeDatagramPacketArray$NativeDatagramPacket[] msgs
        start local 2 // int offset
        start local 3 // int len
         0: .line 160
            iload 0 /* fd */
            aload 1 /* msgs */
            iload 2 /* offset */
            iload 3 /* len */
            invokestatic io.netty.channel.epoll.Native.sendmmsg0:(I[Lio/netty/channel/epoll/NativeDatagramPacketArray$NativeDatagramPacket;II)I
            istore 4 /* res */
        start local 4 // int res
         1: .line 161
            iload 4 /* res */
            iflt 3
         2: .line 162
            iload 4 /* res */
            ireturn
         3: .line 164
      StackMap locals: int
      StackMap stack:
            ldc "sendmmsg"
            iload 4 /* res */
            getstatic io.netty.channel.epoll.Native.SENDMMSG_CONNECTION_RESET_EXCEPTION:Lio/netty/channel/unix/Errors$NativeIoException;
            getstatic io.netty.channel.epoll.Native.SENDMMSG_CLOSED_CHANNEL_EXCEPTION:Ljava/nio/channels/ClosedChannelException;
            invokestatic io.netty.channel.unix.Errors.ioResult:(Ljava/lang/String;ILio/netty/channel/unix/Errors$NativeIoException;Ljava/nio/channels/ClosedChannelException;)I
            ireturn
        end local 4 // int res
        end local 3 // int len
        end local 2 // int offset
        end local 1 // io.netty.channel.epoll.NativeDatagramPacketArray$NativeDatagramPacket[] msgs
        end local 0 // int fd
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0      fd  I
            0    4     1    msgs  [Lio/netty/channel/epoll/NativeDatagramPacketArray$NativeDatagramPacket;
            0    4     2  offset  I
            0    4     3     len  I
            1    4     4     res  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      fd      
      msgs    
      offset  
      len     

  private static native int sendmmsg0(int, io.netty.channel.epoll.NativeDatagramPacketArray$NativeDatagramPacket[], int, int);
    descriptor: (I[Lio/netty/channel/epoll/NativeDatagramPacketArray$NativeDatagramPacket;II)I
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
    MethodParameters:
        Name  Flags
      fd      
      msgs    
      offset  
      len     

  public static native int sizeofEpollEvent();
    descriptor: ()I
    flags: (0x0109) ACC_PUBLIC, ACC_STATIC, ACC_NATIVE

  public static native int offsetofEpollData();
    descriptor: ()I
    flags: (0x0109) ACC_PUBLIC, ACC_STATIC, ACC_NATIVE

  private static void loadNativeLibrary();
    descriptor: ()V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=4, locals=6, args_size=0
         0: .line 175
            ldc "os.name"
            invokestatic io.netty.util.internal.SystemPropertyUtil.get:(Ljava/lang/String;)Ljava/lang/String;
            getstatic java.util.Locale.UK:Ljava/util/Locale;
            invokevirtual java.lang.String.toLowerCase:(Ljava/util/Locale;)Ljava/lang/String;
            invokevirtual java.lang.String.trim:()Ljava/lang/String;
            astore 0 /* name */
        start local 0 // java.lang.String name
         1: .line 176
            aload 0 /* name */
            ldc "linux"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifne 3
         2: .line 177
            new java.lang.IllegalStateException
            dup
            ldc "Only supported on Linux"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 179
      StackMap locals: java.lang.String
      StackMap stack:
            ldc "netty_transport_native_epoll"
            astore 1 /* staticLibName */
        start local 1 // java.lang.String staticLibName
         4: .line 180
            new java.lang.StringBuilder
            dup
            aload 1 /* staticLibName */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            bipush 95
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            invokestatic io.netty.util.internal.PlatformDependent.normalizedArch:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            astore 2 /* sharedLibName */
        start local 2 // java.lang.String sharedLibName
         5: .line 181
            ldc Lio/netty/channel/epoll/Native;
            invokestatic io.netty.util.internal.PlatformDependent.getClassLoader:(Ljava/lang/Class;)Ljava/lang/ClassLoader;
            astore 3 /* cl */
        start local 3 // java.lang.ClassLoader cl
         6: .line 183
            aload 2 /* sharedLibName */
            aload 3 /* cl */
            invokestatic io.netty.util.internal.NativeLibraryLoader.load:(Ljava/lang/String;Ljava/lang/ClassLoader;)V
         7: .line 184
            goto 15
      StackMap locals: java.lang.String java.lang.String java.lang.String java.lang.ClassLoader
      StackMap stack: java.lang.UnsatisfiedLinkError
         8: astore 4 /* e1 */
        start local 4 // java.lang.UnsatisfiedLinkError e1
         9: .line 186
            aload 1 /* staticLibName */
            aload 3 /* cl */
            invokestatic io.netty.util.internal.NativeLibraryLoader.load:(Ljava/lang/String;Ljava/lang/ClassLoader;)V
        10: .line 187
            getstatic io.netty.channel.epoll.Native.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "Failed to load {}"
            aload 2 /* sharedLibName */
            aload 4 /* e1 */
            invokeinterface io.netty.util.internal.logging.InternalLogger.debug:(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V
        11: .line 188
            goto 15
      StackMap locals: java.lang.String java.lang.String java.lang.String java.lang.ClassLoader java.lang.UnsatisfiedLinkError
      StackMap stack: java.lang.UnsatisfiedLinkError
        12: astore 5 /* e2 */
        start local 5 // java.lang.UnsatisfiedLinkError e2
        13: .line 189
            aload 4 /* e1 */
            aload 5 /* e2 */
            invokestatic io.netty.util.internal.ThrowableUtil.addSuppressed:(Ljava/lang/Throwable;Ljava/lang/Throwable;)V
        14: .line 190
            aload 4 /* e1 */
            athrow
        end local 5 // java.lang.UnsatisfiedLinkError e2
        end local 4 // java.lang.UnsatisfiedLinkError e1
        15: .line 193
      StackMap locals:
      StackMap stack:
            return
        end local 3 // java.lang.ClassLoader cl
        end local 2 // java.lang.String sharedLibName
        end local 1 // java.lang.String staticLibName
        end local 0 // java.lang.String name
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            1   16     0           name  Ljava/lang/String;
            4   16     1  staticLibName  Ljava/lang/String;
            5   16     2  sharedLibName  Ljava/lang/String;
            6   16     3             cl  Ljava/lang/ClassLoader;
            9   15     4             e1  Ljava/lang/UnsatisfiedLinkError;
           13   15     5             e2  Ljava/lang/UnsatisfiedLinkError;
      Exception table:
        from    to  target  type
           6     7       8  Class java.lang.UnsatisfiedLinkError
           9    11      12  Class java.lang.UnsatisfiedLinkError

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.channel.epoll.Native this
         0: .line 195
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 197
            return
        end local 0 // io.netty.channel.epoll.Native this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/channel/epoll/Native;
}
SourceFile: "Native.java"
InnerClasses:
  final NativeDatagramPacket = io.netty.channel.epoll.NativeDatagramPacketArray$NativeDatagramPacket of io.netty.channel.epoll.NativeDatagramPacketArray
  public final NativeIoException = io.netty.channel.unix.Errors$NativeIoException of io.netty.channel.unix.Errors
/

io.netty/ netty-all/ 4.1.25.Final/ io/netty/channel/epoll/Native.class
