class sun.nio.ch.Util
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: sun.nio.ch.Util
  super_class: java.lang.Object
{
  private static final int TEMP_BUF_POOL_SIZE;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 3

  private static java.lang.ThreadLocal<java.lang.ref.SoftReference<java.nio.ByteBuffer>>[] bufferPool;
    descriptor: [Ljava/lang/ThreadLocal;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Signature: [Ljava/lang/ThreadLocal<Ljava/lang/ref/SoftReference<Ljava/nio/ByteBuffer;>;>;

  private static java.lang.ThreadLocal<java.lang.ref.SoftReference<sun.nio.ch.Util$SelectorWrapper>> localSelector;
    descriptor: Ljava/lang/ThreadLocal;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Signature: Ljava/lang/ThreadLocal<Ljava/lang/ref/SoftReference<Lsun/nio/ch/Util$SelectorWrapper;>;>;

  private static java.lang.ThreadLocal<sun.nio.ch.Util$SelectorWrapper> localSelectorWrapper;
    descriptor: Ljava/lang/ThreadLocal;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Signature: Ljava/lang/ThreadLocal<Lsun/nio/ch/Util$SelectorWrapper;>;

  private static sun.misc.Unsafe unsafe;
    descriptor: Lsun/misc/Unsafe;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

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

  private static volatile java.lang.reflect.Constructor directByteBufferConstructor;
    descriptor: Ljava/lang/reflect/Constructor;
    flags: (0x004a) ACC_PRIVATE, ACC_STATIC, ACC_VOLATILE

  private static volatile java.lang.reflect.Constructor directByteBufferRConstructor;
    descriptor: Ljava/lang/reflect/Constructor;
    flags: (0x004a) ACC_PRIVATE, ACC_STATIC, ACC_VOLATILE

  private static volatile java.lang.String bugLevel;
    descriptor: Ljava/lang/String;
    flags: (0x004a) ACC_PRIVATE, ACC_STATIC, ACC_VOLATILE

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=1, args_size=0
         0: .line 43
            ldc Lsun/nio/ch/Util;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic sun.nio.ch.Util.$assertionsDisabled:Z
         3: .line 60
            invokestatic sun.nio.ch.Util.createThreadLocalBufferPool:()[Ljava/lang/ThreadLocal;
            putstatic sun.nio.ch.Util.bufferPool:[Ljava/lang/ThreadLocal;
         4: .line 61
            iconst_0
            istore 0 /* i */
        start local 0 // int i
         5: goto 8
         6: .line 62
      StackMap locals: int
      StackMap stack:
            getstatic sun.nio.ch.Util.bufferPool:[Ljava/lang/ThreadLocal;
            iload 0 /* i */
            new java.lang.ThreadLocal
            dup
            invokespecial java.lang.ThreadLocal.<init>:()V
            aastore
         7: .line 61
            iinc 0 /* i */ 1
      StackMap locals:
      StackMap stack:
         8: iload 0 /* i */
            iconst_3
            if_icmplt 6
        end local 0 // int i
         9: .line 129
            new java.lang.ThreadLocal
            dup
            invokespecial java.lang.ThreadLocal.<init>:()V
        10: .line 128
            putstatic sun.nio.ch.Util.localSelector:Ljava/lang/ThreadLocal;
        11: .line 133
            new java.lang.ThreadLocal
            dup
            invokespecial java.lang.ThreadLocal.<init>:()V
        12: .line 132
            putstatic sun.nio.ch.Util.localSelectorWrapper:Ljava/lang/ThreadLocal;
        13: .line 217
            invokestatic sun.misc.Unsafe.getUnsafe:()Lsun/misc/Unsafe;
            putstatic sun.nio.ch.Util.unsafe:Lsun/misc/Unsafe;
        14: .line 235
            iconst_m1
            putstatic sun.nio.ch.Util.pageSize:I
        15: .line 243
            aconst_null
            putstatic sun.nio.ch.Util.directByteBufferConstructor:Ljava/lang/reflect/Constructor;
        16: .line 290
            aconst_null
            putstatic sun.nio.ch.Util.directByteBufferRConstructor:Ljava/lang/reflect/Constructor;
        17: .line 340
            aconst_null
            putstatic sun.nio.ch.Util.bugLevel:Ljava/lang/String;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            5    9     0     i  I

  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.nio.ch.Util this
         0: .line 43
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // sun.nio.ch.Util this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/nio/ch/Util;

  static java.lang.ThreadLocal<java.lang.ref.SoftReference<java.nio.ByteBuffer>>[] createThreadLocalBufferPool();
    descriptor: ()[Ljava/lang/ThreadLocal;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 56
            iconst_3
            anewarray java.lang.ThreadLocal
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    Signature: ()[Ljava/lang/ThreadLocal<Ljava/lang/ref/SoftReference<Ljava/nio/ByteBuffer;>;>;

  static java.nio.ByteBuffer getTemporaryDirectBuffer(int);
    descriptor: (I)Ljava/nio/ByteBuffer;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=4, args_size=1
        start local 0 // int size
         0: .line 66
            aconst_null
            astore 1 /* buf */
        start local 1 // java.nio.ByteBuffer buf
         1: .line 68
            iconst_0
            istore 2 /* i */
        start local 2 // int i
         2: goto 11
         3: .line 69
      StackMap locals: java.nio.ByteBuffer int
      StackMap stack:
            getstatic sun.nio.ch.Util.bufferPool:[Ljava/lang/ThreadLocal;
            iload 2 /* i */
            aaload
            invokevirtual java.lang.ThreadLocal.get:()Ljava/lang/Object;
            checkcast java.lang.ref.SoftReference
            astore 3 /* ref */
        start local 3 // java.lang.ref.SoftReference ref
         4: .line 70
            aload 3 /* ref */
            ifnull 10
            aload 3 /* ref */
            invokevirtual java.lang.ref.SoftReference.get:()Ljava/lang/Object;
            checkcast java.nio.ByteBuffer
            dup
            astore 1 /* buf */
            ifnull 10
         5: .line 71
            aload 1 /* buf */
            invokevirtual java.nio.ByteBuffer.capacity:()I
            iload 0 /* size */
            if_icmplt 10
         6: .line 72
            aload 1 /* buf */
            invokevirtual java.nio.ByteBuffer.rewind:()Ljava/nio/Buffer;
            pop
         7: .line 73
            aload 1 /* buf */
            iload 0 /* size */
            invokevirtual java.nio.ByteBuffer.limit:(I)Ljava/nio/Buffer;
            pop
         8: .line 74
            getstatic sun.nio.ch.Util.bufferPool:[Ljava/lang/ThreadLocal;
            iload 2 /* i */
            aaload
            aconst_null
            invokevirtual java.lang.ThreadLocal.set:(Ljava/lang/Object;)V
         9: .line 75
            aload 1 /* buf */
            areturn
        end local 3 // java.lang.ref.SoftReference ref
        10: .line 68
      StackMap locals:
      StackMap stack:
            iinc 2 /* i */ 1
      StackMap locals:
      StackMap stack:
        11: iload 2 /* i */
            iconst_3
            if_icmplt 3
        end local 2 // int i
        12: .line 80
            iload 0 /* size */
            invokestatic java.nio.ByteBuffer.allocateDirect:(I)Ljava/nio/ByteBuffer;
            areturn
        end local 1 // java.nio.ByteBuffer buf
        end local 0 // int size
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   13     0  size  I
            1   13     1   buf  Ljava/nio/ByteBuffer;
            2   12     2     i  I
            4   10     3   ref  Ljava/lang/ref/SoftReference<Ljava/nio/ByteBuffer;>;
    MethodParameters:
      Name  Flags
      size  

  static void releaseTemporaryDirectBuffer(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=4, args_size=1
        start local 0 // java.nio.ByteBuffer buf
         0: .line 84
            aload 0 /* buf */
            ifnonnull 2
         1: .line 85
            return
         2: .line 87
      StackMap locals:
      StackMap stack:
            iconst_0
            istore 1 /* i */
        start local 1 // int i
         3: goto 9
         4: .line 88
      StackMap locals: int
      StackMap stack:
            getstatic sun.nio.ch.Util.bufferPool:[Ljava/lang/ThreadLocal;
            iload 1 /* i */
            aaload
            invokevirtual java.lang.ThreadLocal.get:()Ljava/lang/Object;
            checkcast java.lang.ref.SoftReference
            astore 2 /* ref */
        start local 2 // java.lang.ref.SoftReference ref
         5: .line 89
            aload 2 /* ref */
            ifnull 6
            aload 2 /* ref */
            invokevirtual java.lang.ref.SoftReference.get:()Ljava/lang/Object;
            ifnonnull 8
         6: .line 90
      StackMap locals: java.lang.ref.SoftReference
      StackMap stack:
            getstatic sun.nio.ch.Util.bufferPool:[Ljava/lang/ThreadLocal;
            iload 1 /* i */
            aaload
            new java.lang.ref.SoftReference
            dup
            aload 0 /* buf */
            invokespecial java.lang.ref.SoftReference.<init>:(Ljava/lang/Object;)V
            invokevirtual java.lang.ThreadLocal.set:(Ljava/lang/Object;)V
         7: .line 91
            return
        end local 2 // java.lang.ref.SoftReference ref
         8: .line 87
      StackMap locals:
      StackMap stack:
            iinc 1 /* i */ 1
      StackMap locals:
      StackMap stack:
         9: iload 1 /* i */
            iconst_3
            if_icmplt 4
        end local 1 // int i
        10: .line 95
            iconst_0
            istore 1 /* i */
        start local 1 // int i
        11: goto 18
        12: .line 96
      StackMap locals:
      StackMap stack:
            getstatic sun.nio.ch.Util.bufferPool:[Ljava/lang/ThreadLocal;
            iload 1 /* i */
            aaload
            invokevirtual java.lang.ThreadLocal.get:()Ljava/lang/Object;
            checkcast java.lang.ref.SoftReference
            astore 2 /* ref */
        start local 2 // java.lang.ref.SoftReference ref
        13: .line 97
            aload 2 /* ref */
            invokevirtual java.lang.ref.SoftReference.get:()Ljava/lang/Object;
            checkcast java.nio.ByteBuffer
            astore 3 /* inCacheBuf */
        start local 3 // java.nio.ByteBuffer inCacheBuf
        14: .line 98
            aload 3 /* inCacheBuf */
            ifnull 15
            aload 0 /* buf */
            invokevirtual java.nio.ByteBuffer.capacity:()I
            aload 3 /* inCacheBuf */
            invokevirtual java.nio.ByteBuffer.capacity:()I
            if_icmple 17
        15: .line 99
      StackMap locals: java.lang.ref.SoftReference java.nio.ByteBuffer
      StackMap stack:
            getstatic sun.nio.ch.Util.bufferPool:[Ljava/lang/ThreadLocal;
            iload 1 /* i */
            aaload
            new java.lang.ref.SoftReference
            dup
            aload 0 /* buf */
            invokespecial java.lang.ref.SoftReference.<init>:(Ljava/lang/Object;)V
            invokevirtual java.lang.ThreadLocal.set:(Ljava/lang/Object;)V
        16: .line 100
            return
        end local 3 // java.nio.ByteBuffer inCacheBuf
        end local 2 // java.lang.ref.SoftReference ref
        17: .line 95
      StackMap locals:
      StackMap stack:
            iinc 1 /* i */ 1
      StackMap locals:
      StackMap stack:
        18: iload 1 /* i */
            iconst_3
            if_icmplt 12
        end local 1 // int i
        19: .line 103
            return
        end local 0 // java.nio.ByteBuffer buf
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   20     0         buf  Ljava/nio/ByteBuffer;
            3   10     1           i  I
            5    8     2         ref  Ljava/lang/ref/SoftReference<Ljava/nio/ByteBuffer;>;
           11   19     1           i  I
           13   17     2         ref  Ljava/lang/ref/SoftReference<Ljava/nio/ByteBuffer;>;
           14   17     3  inCacheBuf  Ljava/nio/ByteBuffer;
    MethodParameters:
      Name  Flags
      buf   

  static java.nio.channels.Selector getTemporarySelector(java.nio.channels.SelectableChannel);
    descriptor: (Ljava/nio/channels/SelectableChannel;)Ljava/nio/channels/Selector;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=6, locals=4, args_size=1
        start local 0 // java.nio.channels.SelectableChannel sc
         0: .line 141
            getstatic sun.nio.ch.Util.localSelector:Ljava/lang/ThreadLocal;
            invokevirtual java.lang.ThreadLocal.get:()Ljava/lang/Object;
            checkcast java.lang.ref.SoftReference
            astore 1 /* ref */
        start local 1 // java.lang.ref.SoftReference ref
         1: .line 142
            aconst_null
            astore 2 /* selWrapper */
        start local 2 // sun.nio.ch.Util$SelectorWrapper selWrapper
         2: .line 143
            aconst_null
            astore 3 /* sel */
        start local 3 // java.nio.channels.Selector sel
         3: .line 144
            aload 1 /* ref */
            ifnull 7
         4: .line 145
            aload 1 /* ref */
            invokevirtual java.lang.ref.SoftReference.get:()Ljava/lang/Object;
            checkcast sun.nio.ch.Util$SelectorWrapper
            dup
            astore 2 /* selWrapper */
            ifnull 7
         5: .line 146
            aload 2 /* selWrapper */
            invokevirtual sun.nio.ch.Util$SelectorWrapper.get:()Ljava/nio/channels/Selector;
            dup
            astore 3 /* sel */
            ifnull 7
         6: .line 147
            aload 3 /* sel */
            invokevirtual java.nio.channels.Selector.provider:()Ljava/nio/channels/spi/SelectorProvider;
            aload 0 /* sc */
            invokevirtual java.nio.channels.SelectableChannel.provider:()Ljava/nio/channels/spi/SelectorProvider;
            if_acmpeq 12
         7: .line 148
      StackMap locals: java.lang.ref.SoftReference sun.nio.ch.Util$SelectorWrapper java.nio.channels.Selector
      StackMap stack:
            aload 0 /* sc */
            invokevirtual java.nio.channels.SelectableChannel.provider:()Ljava/nio/channels/spi/SelectorProvider;
            invokevirtual java.nio.channels.spi.SelectorProvider.openSelector:()Ljava/nio/channels/spi/AbstractSelector;
            astore 3 /* sel */
         8: .line 149
            getstatic sun.nio.ch.Util.localSelector:Ljava/lang/ThreadLocal;
            new java.lang.ref.SoftReference
            dup
         9: .line 150
            new sun.nio.ch.Util$SelectorWrapper
            dup
            aload 3 /* sel */
            invokespecial sun.nio.ch.Util$SelectorWrapper.<init>:(Ljava/nio/channels/Selector;)V
            invokespecial java.lang.ref.SoftReference.<init>:(Ljava/lang/Object;)V
        10: .line 149
            invokevirtual java.lang.ThreadLocal.set:(Ljava/lang/Object;)V
        11: .line 151
            goto 13
        12: .line 152
      StackMap locals:
      StackMap stack:
            getstatic sun.nio.ch.Util.localSelectorWrapper:Ljava/lang/ThreadLocal;
            aload 2 /* selWrapper */
            invokevirtual java.lang.ThreadLocal.set:(Ljava/lang/Object;)V
        13: .line 154
      StackMap locals:
      StackMap stack:
            aload 3 /* sel */
            areturn
        end local 3 // java.nio.channels.Selector sel
        end local 2 // sun.nio.ch.Util$SelectorWrapper selWrapper
        end local 1 // java.lang.ref.SoftReference ref
        end local 0 // java.nio.channels.SelectableChannel sc
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   14     0          sc  Ljava/nio/channels/SelectableChannel;
            1   14     1         ref  Ljava/lang/ref/SoftReference<Lsun/nio/ch/Util$SelectorWrapper;>;
            2   14     2  selWrapper  Lsun/nio/ch/Util$SelectorWrapper;
            3   14     3         sel  Ljava/nio/channels/Selector;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      sc    

  static void releaseTemporarySelector(java.nio.channels.Selector);
    descriptor: (Ljava/nio/channels/Selector;)V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.nio.channels.Selector sel
         0: .line 161
            aload 0 /* sel */
            invokevirtual java.nio.channels.Selector.selectNow:()I
            pop
         1: .line 162
            getstatic sun.nio.ch.Util.$assertionsDisabled:Z
            ifne 2
            aload 0 /* sel */
            invokevirtual java.nio.channels.Selector.keys:()Ljava/util/Set;
            invokeinterface java.util.Set.isEmpty:()Z
            ifne 2
            new java.lang.AssertionError
            dup
            ldc "Temporary selector not empty"
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
         2: .line 163
      StackMap locals:
      StackMap stack:
            getstatic sun.nio.ch.Util.localSelectorWrapper:Ljava/lang/ThreadLocal;
            aconst_null
            invokevirtual java.lang.ThreadLocal.set:(Ljava/lang/Object;)V
         3: .line 164
            return
        end local 0 // java.nio.channels.Selector sel
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0   sel  Ljava/nio/channels/Selector;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      sel   

  static java.nio.ByteBuffer[] subsequence(java.nio.ByteBuffer[], int, int);
    descriptor: ([Ljava/nio/ByteBuffer;II)[Ljava/nio/ByteBuffer;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=5, locals=6, args_size=3
        start local 0 // java.nio.ByteBuffer[] bs
        start local 1 // int offset
        start local 2 // int length
         0: .line 170
            iload 1 /* offset */
            ifne 2
            iload 2 /* length */
            aload 0 /* bs */
            arraylength
            if_icmpne 2
         1: .line 171
            aload 0 /* bs */
            areturn
         2: .line 172
      StackMap locals:
      StackMap stack:
            iload 2 /* length */
            istore 3 /* n */
        start local 3 // int n
         3: .line 173
            iload 3 /* n */
            anewarray java.nio.ByteBuffer
            astore 4 /* bs2 */
        start local 4 // java.nio.ByteBuffer[] bs2
         4: .line 174
            iconst_0
            istore 5 /* i */
        start local 5 // int i
         5: goto 8
         6: .line 175
      StackMap locals: int java.nio.ByteBuffer[] int
      StackMap stack:
            aload 4 /* bs2 */
            iload 5 /* i */
            aload 0 /* bs */
            iload 1 /* offset */
            iload 5 /* i */
            iadd
            aaload
            aastore
         7: .line 174
            iinc 5 /* i */ 1
      StackMap locals:
      StackMap stack:
         8: iload 5 /* i */
            iload 3 /* n */
            if_icmplt 6
        end local 5 // int i
         9: .line 176
            aload 4 /* bs2 */
            areturn
        end local 4 // java.nio.ByteBuffer[] bs2
        end local 3 // int n
        end local 2 // int length
        end local 1 // int offset
        end local 0 // java.nio.ByteBuffer[] bs
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   10     0      bs  [Ljava/nio/ByteBuffer;
            0   10     1  offset  I
            0   10     2  length  I
            3   10     3       n  I
            4   10     4     bs2  [Ljava/nio/ByteBuffer;
            5    9     5       i  I
    MethodParameters:
        Name  Flags
      bs      
      offset  
      length  

  static <E> java.util.Set<E> ungrowableSet(java.util.Set<E>);
    descriptor: (Ljava/util/Set;)Ljava/util/Set;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.util.Set s
         0: .line 180
            new sun.nio.ch.Util$1
            dup
            aload 0 /* s */
            invokespecial sun.nio.ch.Util$1.<init>:(Ljava/util/Set;)V
            areturn
        end local 0 // java.util.Set s
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0     s  Ljava/util/Set<TE;>;
    Signature: <E:Ljava/lang/Object;>(Ljava/util/Set<TE;>;)Ljava/util/Set<TE;>;
    MethodParameters:
      Name  Flags
      s     final

  private static byte _get(long);
    descriptor: (J)B
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // long a
         0: .line 220
            getstatic sun.nio.ch.Util.unsafe:Lsun/misc/Unsafe;
            lload 0 /* a */
            invokevirtual sun.misc.Unsafe.getByte:(J)B
            ireturn
        end local 0 // long a
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0     a  J
    MethodParameters:
      Name  Flags
      a     

  private static void _put(long, byte);
    descriptor: (JB)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // long a
        start local 2 // byte b
         0: .line 224
            getstatic sun.nio.ch.Util.unsafe:Lsun/misc/Unsafe;
            lload 0 /* a */
            iload 2 /* b */
            invokevirtual sun.misc.Unsafe.putByte:(JB)V
         1: .line 225
            return
        end local 2 // byte b
        end local 0 // long a
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0     a  J
            0    2     2     b  B
    MethodParameters:
      Name  Flags
      a     
      b     

  static void erase(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=6, locals=1, args_size=1
        start local 0 // java.nio.ByteBuffer bb
         0: .line 228
            getstatic sun.nio.ch.Util.unsafe:Lsun/misc/Unsafe;
            aload 0 /* bb */
            checkcast sun.nio.ch.DirectBuffer
            invokeinterface sun.nio.ch.DirectBuffer.address:()J
            aload 0 /* bb */
            invokevirtual java.nio.ByteBuffer.capacity:()I
            i2l
            iconst_0
            invokevirtual sun.misc.Unsafe.setMemory:(JJB)V
         1: .line 229
            return
        end local 0 // java.nio.ByteBuffer bb
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0    bb  Ljava/nio/ByteBuffer;
    MethodParameters:
      Name  Flags
      bb    

  static sun.misc.Unsafe unsafe();
    descriptor: ()Lsun/misc/Unsafe;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 232
            getstatic sun.nio.ch.Util.unsafe:Lsun/misc/Unsafe;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  static int pageSize();
    descriptor: ()I
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 238
            getstatic sun.nio.ch.Util.pageSize:I
            iconst_m1
            if_icmpne 2
         1: .line 239
            invokestatic sun.nio.ch.Util.unsafe:()Lsun/misc/Unsafe;
            invokevirtual sun.misc.Unsafe.pageSize:()I
            putstatic sun.nio.ch.Util.pageSize:I
         2: .line 240
      StackMap locals:
      StackMap stack:
            getstatic sun.nio.ch.Util.pageSize:I
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private static void initDBBConstructor();
    descriptor: ()V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 246
            new sun.nio.ch.Util$2
            dup
            invokespecial sun.nio.ch.Util$2.<init>:()V
            invokestatic java.security.AccessController.doPrivileged:(Ljava/security/PrivilegedAction;)Ljava/lang/Object;
            pop
         1: .line 267
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  static java.nio.MappedByteBuffer newMappedByteBuffer(int, long, java.lang.Runnable);
    descriptor: (IJLjava/lang/Runnable;)Ljava/nio/MappedByteBuffer;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=8, locals=5, args_size=3
        start local 0 // int size
        start local 1 // long addr
        start local 3 // java.lang.Runnable unmapper
         0: .line 273
            getstatic sun.nio.ch.Util.directByteBufferConstructor:Ljava/lang/reflect/Constructor;
            ifnonnull 2
         1: .line 274
            invokestatic sun.nio.ch.Util.initDBBConstructor:()V
         2: .line 276
      StackMap locals:
      StackMap stack:
            getstatic sun.nio.ch.Util.directByteBufferConstructor:Ljava/lang/reflect/Constructor;
         3: .line 277
            iconst_3
            anewarray java.lang.Object
            dup
            iconst_0
            new java.lang.Integer
            dup
            iload 0 /* size */
            invokespecial java.lang.Integer.<init>:(I)V
            aastore
            dup
            iconst_1
         4: .line 278
            new java.lang.Long
            dup
            lload 1 /* addr */
            invokespecial java.lang.Long.<init>:(J)V
            aastore
            dup
            iconst_2
         5: .line 279
            aload 3 /* unmapper */
            aastore
         6: .line 276
            invokevirtual java.lang.reflect.Constructor.newInstance:([Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.nio.MappedByteBuffer
            astore 4 /* dbb */
        start local 4 // java.nio.MappedByteBuffer dbb
         7: .line 280
            goto 14
        end local 4 // java.nio.MappedByteBuffer dbb
      StackMap locals:
      StackMap stack: java.lang.InstantiationException
         8: pop
         9: .line 281
            new java.lang.InternalError
            dup
            invokespecial java.lang.InternalError.<init>:()V
            athrow
        10: .line 282
      StackMap locals:
      StackMap stack: java.lang.IllegalAccessException
            pop
        11: .line 283
            new java.lang.InternalError
            dup
            invokespecial java.lang.InternalError.<init>:()V
            athrow
        12: .line 284
      StackMap locals:
      StackMap stack: java.lang.reflect.InvocationTargetException
            pop
        13: .line 285
            new java.lang.InternalError
            dup
            invokespecial java.lang.InternalError.<init>:()V
            athrow
        start local 4 // java.nio.MappedByteBuffer dbb
        14: .line 287
      StackMap locals: java.nio.MappedByteBuffer
      StackMap stack:
            aload 4 /* dbb */
            areturn
        end local 4 // java.nio.MappedByteBuffer dbb
        end local 3 // java.lang.Runnable unmapper
        end local 1 // long addr
        end local 0 // int size
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   15     0      size  I
            0   15     1      addr  J
            0   15     3  unmapper  Ljava/lang/Runnable;
            7    8     4       dbb  Ljava/nio/MappedByteBuffer;
           14   15     4       dbb  Ljava/nio/MappedByteBuffer;
      Exception table:
        from    to  target  type
           2     7       8  Class java.lang.InstantiationException
           2     7      10  Class java.lang.IllegalAccessException
           2     7      12  Class java.lang.reflect.InvocationTargetException
    MethodParameters:
          Name  Flags
      size      
      addr      
      unmapper  

  private static void initDBBRConstructor();
    descriptor: ()V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 293
            new sun.nio.ch.Util$3
            dup
            invokespecial sun.nio.ch.Util$3.<init>:()V
            invokestatic java.security.AccessController.doPrivileged:(Ljava/security/PrivilegedAction;)Ljava/lang/Object;
            pop
         1: .line 314
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  static java.nio.MappedByteBuffer newMappedByteBufferR(int, long, java.lang.Runnable);
    descriptor: (IJLjava/lang/Runnable;)Ljava/nio/MappedByteBuffer;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=8, locals=5, args_size=3
        start local 0 // int size
        start local 1 // long addr
        start local 3 // java.lang.Runnable unmapper
         0: .line 320
            getstatic sun.nio.ch.Util.directByteBufferRConstructor:Ljava/lang/reflect/Constructor;
            ifnonnull 2
         1: .line 321
            invokestatic sun.nio.ch.Util.initDBBRConstructor:()V
         2: .line 323
      StackMap locals:
      StackMap stack:
            getstatic sun.nio.ch.Util.directByteBufferRConstructor:Ljava/lang/reflect/Constructor;
         3: .line 324
            iconst_3
            anewarray java.lang.Object
            dup
            iconst_0
            new java.lang.Integer
            dup
            iload 0 /* size */
            invokespecial java.lang.Integer.<init>:(I)V
            aastore
            dup
            iconst_1
         4: .line 325
            new java.lang.Long
            dup
            lload 1 /* addr */
            invokespecial java.lang.Long.<init>:(J)V
            aastore
            dup
            iconst_2
         5: .line 326
            aload 3 /* unmapper */
            aastore
         6: .line 323
            invokevirtual java.lang.reflect.Constructor.newInstance:([Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.nio.MappedByteBuffer
            astore 4 /* dbb */
        start local 4 // java.nio.MappedByteBuffer dbb
         7: .line 327
            goto 14
        end local 4 // java.nio.MappedByteBuffer dbb
      StackMap locals:
      StackMap stack: java.lang.InstantiationException
         8: pop
         9: .line 328
            new java.lang.InternalError
            dup
            invokespecial java.lang.InternalError.<init>:()V
            athrow
        10: .line 329
      StackMap locals:
      StackMap stack: java.lang.IllegalAccessException
            pop
        11: .line 330
            new java.lang.InternalError
            dup
            invokespecial java.lang.InternalError.<init>:()V
            athrow
        12: .line 331
      StackMap locals:
      StackMap stack: java.lang.reflect.InvocationTargetException
            pop
        13: .line 332
            new java.lang.InternalError
            dup
            invokespecial java.lang.InternalError.<init>:()V
            athrow
        start local 4 // java.nio.MappedByteBuffer dbb
        14: .line 334
      StackMap locals: java.nio.MappedByteBuffer
      StackMap stack:
            aload 4 /* dbb */
            areturn
        end local 4 // java.nio.MappedByteBuffer dbb
        end local 3 // java.lang.Runnable unmapper
        end local 1 // long addr
        end local 0 // int size
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   15     0      size  I
            0   15     1      addr  J
            0   15     3  unmapper  Ljava/lang/Runnable;
            7    8     4       dbb  Ljava/nio/MappedByteBuffer;
           14   15     4       dbb  Ljava/nio/MappedByteBuffer;
      Exception table:
        from    to  target  type
           2     7       8  Class java.lang.InstantiationException
           2     7      10  Class java.lang.IllegalAccessException
           2     7      12  Class java.lang.reflect.InvocationTargetException
    MethodParameters:
          Name  Flags
      size      
      addr      
      unmapper  

  static boolean atBugLevel(java.lang.String);
    descriptor: (Ljava/lang/String;)Z
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // java.lang.String bl
         0: .line 343
            getstatic sun.nio.ch.Util.bugLevel:Ljava/lang/String;
            ifnonnull 8
         1: .line 344
            invokestatic sun.misc.VM.isBooted:()Z
            ifne 3
         2: .line 345
            iconst_0
            ireturn
         3: .line 347
      StackMap locals:
      StackMap stack:
            new sun.security.action.GetPropertyAction
            dup
            ldc "sun.nio.ch.bugLevel"
            invokespecial sun.security.action.GetPropertyAction.<init>:(Ljava/lang/String;)V
         4: .line 346
            invokestatic java.security.AccessController.doPrivileged:(Ljava/security/PrivilegedAction;)Ljava/lang/Object;
            checkcast java.lang.String
            astore 1 /* value */
        start local 1 // java.lang.String value
         5: .line 348
            aload 1 /* value */
            ifnull 6
            aload 1 /* value */
            goto 7
      StackMap locals: java.lang.String
      StackMap stack:
         6: ldc ""
      StackMap locals:
      StackMap stack: java.lang.String
         7: putstatic sun.nio.ch.Util.bugLevel:Ljava/lang/String;
        end local 1 // java.lang.String value
         8: .line 350
      StackMap locals:
      StackMap stack:
            getstatic sun.nio.ch.Util.bugLevel:Ljava/lang/String;
            aload 0 /* bl */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ireturn
        end local 0 // java.lang.String bl
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    9     0     bl  Ljava/lang/String;
            5    8     1  value  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      bl    
}
SourceFile: "Util.java"
NestMembers:
  sun.nio.ch.Util$1  sun.nio.ch.Util$2  sun.nio.ch.Util$3  sun.nio.ch.Util$SelectorWrapper  sun.nio.ch.Util$SelectorWrapper$Closer
InnerClasses:
  sun.nio.ch.Util$1
  sun.nio.ch.Util$2
  sun.nio.ch.Util$3
  private SelectorWrapper = sun.nio.ch.Util$SelectorWrapper of sun.nio.ch.Util