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

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

  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
    Signature: Ljava/lang/reflect/Constructor<*>;

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

  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=2, locals=0, 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 48
            getstatic sun.nio.ch.IOUtil.IOV_MAX:I
            putstatic sun.nio.ch.Util.TEMP_BUF_POOL_SIZE:I
         4: .line 52
            new sun.nio.ch.Util$1
            dup
            invokespecial sun.nio.ch.Util$1.<init>:()V
         5: .line 51
            putstatic sun.nio.ch.Util.bufferCache:Ljava/lang/ThreadLocal;
         6: .line 272
            invokestatic sun.misc.Unsafe.getUnsafe:()Lsun/misc/Unsafe;
            putstatic sun.nio.ch.Util.unsafe:Lsun/misc/Unsafe;
         7: .line 290
            iconst_m1
            putstatic sun.nio.ch.Util.pageSize:I
         8: .line 298
            aconst_null
            putstatic sun.nio.ch.Util.directByteBufferConstructor:Ljava/lang/reflect/Constructor;
         9: .line 343
            aconst_null
            putstatic sun.nio.ch.Util.directByteBufferRConstructor:Ljava/lang/reflect/Constructor;
        10: .line 391
            aconst_null
            putstatic sun.nio.ch.Util.bugLevel:Ljava/lang/String;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  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.nio.ByteBuffer getTemporaryDirectBuffer(int);
    descriptor: (I)Ljava/nio/ByteBuffer;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=3, args_size=1
        start local 0 // int size
         0: .line 162
            getstatic sun.nio.ch.Util.bufferCache:Ljava/lang/ThreadLocal;
            invokevirtual java.lang.ThreadLocal.get:()Ljava/lang/Object;
            checkcast sun.nio.ch.Util$BufferCache
            astore 1 /* cache */
        start local 1 // sun.nio.ch.Util$BufferCache cache
         1: .line 163
            aload 1 /* cache */
            iload 0 /* size */
            invokevirtual sun.nio.ch.Util$BufferCache.get:(I)Ljava/nio/ByteBuffer;
            astore 2 /* buf */
        start local 2 // java.nio.ByteBuffer buf
         2: .line 164
            aload 2 /* buf */
            ifnull 4
         3: .line 165
            aload 2 /* buf */
            areturn
         4: .line 170
      StackMap locals: sun.nio.ch.Util$BufferCache java.nio.ByteBuffer
      StackMap stack:
            aload 1 /* cache */
            invokevirtual sun.nio.ch.Util$BufferCache.isEmpty:()Z
            ifne 7
         5: .line 171
            aload 1 /* cache */
            invokevirtual sun.nio.ch.Util$BufferCache.removeFirst:()Ljava/nio/ByteBuffer;
            astore 2 /* buf */
         6: .line 172
            aload 2 /* buf */
            invokestatic sun.nio.ch.Util.free:(Ljava/nio/ByteBuffer;)V
         7: .line 174
      StackMap locals:
      StackMap stack:
            iload 0 /* size */
            invokestatic java.nio.ByteBuffer.allocateDirect:(I)Ljava/nio/ByteBuffer;
            areturn
        end local 2 // java.nio.ByteBuffer buf
        end local 1 // sun.nio.ch.Util$BufferCache cache
        end local 0 // int size
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    8     0   size  I
            1    8     1  cache  Lsun/nio/ch/Util$BufferCache;
            2    8     2    buf  Ljava/nio/ByteBuffer;
    MethodParameters:
      Name  Flags
      size  

  static void releaseTemporaryDirectBuffer(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.nio.ByteBuffer buf
         0: .line 182
            aload 0 /* buf */
            invokestatic sun.nio.ch.Util.offerFirstTemporaryDirectBuffer:(Ljava/nio/ByteBuffer;)V
         1: .line 183
            return
        end local 0 // java.nio.ByteBuffer buf
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0   buf  Ljava/nio/ByteBuffer;
    MethodParameters:
      Name  Flags
      buf   

  static void offerFirstTemporaryDirectBuffer(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.nio.ByteBuffer buf
         0: .line 191
            getstatic sun.nio.ch.Util.$assertionsDisabled:Z
            ifne 1
            aload 0 /* buf */
            ifnonnull 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 192
      StackMap locals:
      StackMap stack:
            getstatic sun.nio.ch.Util.bufferCache:Ljava/lang/ThreadLocal;
            invokevirtual java.lang.ThreadLocal.get:()Ljava/lang/Object;
            checkcast sun.nio.ch.Util$BufferCache
            astore 1 /* cache */
        start local 1 // sun.nio.ch.Util$BufferCache cache
         2: .line 193
            aload 1 /* cache */
            aload 0 /* buf */
            invokevirtual sun.nio.ch.Util$BufferCache.offerFirst:(Ljava/nio/ByteBuffer;)Z
            ifne 4
         3: .line 195
            aload 0 /* buf */
            invokestatic sun.nio.ch.Util.free:(Ljava/nio/ByteBuffer;)V
         4: .line 197
      StackMap locals: sun.nio.ch.Util$BufferCache
      StackMap stack:
            return
        end local 1 // sun.nio.ch.Util$BufferCache cache
        end local 0 // java.nio.ByteBuffer buf
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    5     0    buf  Ljava/nio/ByteBuffer;
            2    5     1  cache  Lsun/nio/ch/Util$BufferCache;
    MethodParameters:
      Name  Flags
      buf   

  static void offerLastTemporaryDirectBuffer(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.nio.ByteBuffer buf
         0: .line 206
            getstatic sun.nio.ch.Util.$assertionsDisabled:Z
            ifne 1
            aload 0 /* buf */
            ifnonnull 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 207
      StackMap locals:
      StackMap stack:
            getstatic sun.nio.ch.Util.bufferCache:Ljava/lang/ThreadLocal;
            invokevirtual java.lang.ThreadLocal.get:()Ljava/lang/Object;
            checkcast sun.nio.ch.Util$BufferCache
            astore 1 /* cache */
        start local 1 // sun.nio.ch.Util$BufferCache cache
         2: .line 208
            aload 1 /* cache */
            aload 0 /* buf */
            invokevirtual sun.nio.ch.Util$BufferCache.offerLast:(Ljava/nio/ByteBuffer;)Z
            ifne 4
         3: .line 210
            aload 0 /* buf */
            invokestatic sun.nio.ch.Util.free:(Ljava/nio/ByteBuffer;)V
         4: .line 212
      StackMap locals: sun.nio.ch.Util$BufferCache
      StackMap stack:
            return
        end local 1 // sun.nio.ch.Util$BufferCache cache
        end local 0 // java.nio.ByteBuffer buf
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    5     0    buf  Ljava/nio/ByteBuffer;
            2    5     1  cache  Lsun/nio/ch/Util$BufferCache;
    MethodParameters:
      Name  Flags
      buf   

  private static void free(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.nio.ByteBuffer buf
         0: .line 218
            aload 0 /* buf */
            checkcast sun.nio.ch.DirectBuffer
            invokeinterface sun.nio.ch.DirectBuffer.cleaner:()Lsun/misc/Cleaner;
            invokevirtual sun.misc.Cleaner.clean:()V
         1: .line 219
            return
        end local 0 // java.nio.ByteBuffer buf
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0   buf  Ljava/nio/ByteBuffer;
    MethodParameters:
      Name  Flags
      buf   

  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 225
            iload 1 /* offset */
            ifne 2
            iload 2 /* length */
            aload 0 /* bs */
            arraylength
            if_icmpne 2
         1: .line 226
            aload 0 /* bs */
            areturn
         2: .line 227
      StackMap locals:
      StackMap stack:
            iload 2 /* length */
            istore 3 /* n */
        start local 3 // int n
         3: .line 228
            iload 3 /* n */
            anewarray java.nio.ByteBuffer
            astore 4 /* bs2 */
        start local 4 // java.nio.ByteBuffer[] bs2
         4: .line 229
            iconst_0
            istore 5 /* i */
        start local 5 // int i
         5: goto 8
         6: .line 230
      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 229
            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 231
            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 235
            new sun.nio.ch.Util$2
            dup
            aload 0 /* s */
            invokespecial sun.nio.ch.Util$2.<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 275
            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 279
            getstatic sun.nio.ch.Util.unsafe:Lsun/misc/Unsafe;
            lload 0 /* a */
            iload 2 /* b */
            invokevirtual sun.misc.Unsafe.putByte:(JB)V
         1: .line 280
            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 283
            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 284
            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 287
            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 293
            getstatic sun.nio.ch.Util.pageSize:I
            iconst_m1
            if_icmpne 2
         1: .line 294
            invokestatic sun.nio.ch.Util.unsafe:()Lsun/misc/Unsafe;
            invokevirtual sun.misc.Unsafe.pageSize:()I
            putstatic sun.nio.ch.Util.pageSize:I
         2: .line 295
      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 301
            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 320
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  static java.nio.MappedByteBuffer newMappedByteBuffer(int, long, java.io.FileDescriptor, java.lang.Runnable);
    descriptor: (IJLjava/io/FileDescriptor;Ljava/lang/Runnable;)Ljava/nio/MappedByteBuffer;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=8, locals=6, args_size=4
        start local 0 // int size
        start local 1 // long addr
        start local 3 // java.io.FileDescriptor fd
        start local 4 // java.lang.Runnable unmapper
         0: .line 327
            getstatic sun.nio.ch.Util.directByteBufferConstructor:Ljava/lang/reflect/Constructor;
            ifnonnull 2
         1: .line 328
            invokestatic sun.nio.ch.Util.initDBBConstructor:()V
         2: .line 330
      StackMap locals:
      StackMap stack:
            getstatic sun.nio.ch.Util.directByteBufferConstructor:Ljava/lang/reflect/Constructor;
         3: .line 331
            iconst_4
            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 332
            new java.lang.Long
            dup
            lload 1 /* addr */
            invokespecial java.lang.Long.<init>:(J)V
            aastore
            dup
            iconst_2
         5: .line 333
            aload 3 /* fd */
            aastore
            dup
            iconst_3
         6: .line 334
            aload 4 /* unmapper */
            aastore
         7: .line 330
            invokevirtual java.lang.reflect.Constructor.newInstance:([Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.nio.MappedByteBuffer
            astore 5 /* dbb */
        start local 5 // java.nio.MappedByteBuffer dbb
         8: .line 335
            goto 11
        end local 5 // java.nio.MappedByteBuffer dbb
         9: .line 337
      StackMap locals:
      StackMap stack: java.lang.ReflectiveOperationException
            pop
        10: .line 338
            new java.lang.InternalError
            dup
            invokespecial java.lang.InternalError.<init>:()V
            athrow
        start local 5 // java.nio.MappedByteBuffer dbb
        11: .line 340
      StackMap locals: java.nio.MappedByteBuffer
      StackMap stack:
            aload 5 /* dbb */
            areturn
        end local 5 // java.nio.MappedByteBuffer dbb
        end local 4 // java.lang.Runnable unmapper
        end local 3 // java.io.FileDescriptor fd
        end local 1 // long addr
        end local 0 // int size
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   12     0      size  I
            0   12     1      addr  J
            0   12     3        fd  Ljava/io/FileDescriptor;
            0   12     4  unmapper  Ljava/lang/Runnable;
            8    9     5       dbb  Ljava/nio/MappedByteBuffer;
           11   12     5       dbb  Ljava/nio/MappedByteBuffer;
      Exception table:
        from    to  target  type
           2     8       9  Class java.lang.InstantiationException
           2     8       9  Class java.lang.IllegalAccessException
           2     8       9  Class java.lang.reflect.InvocationTargetException
    MethodParameters:
          Name  Flags
      size      
      addr      
      fd        
      unmapper  

  private static void initDBBRConstructor();
    descriptor: ()V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 346
            new sun.nio.ch.Util$4
            dup
            invokespecial sun.nio.ch.Util$4.<init>:()V
            invokestatic java.security.AccessController.doPrivileged:(Ljava/security/PrivilegedAction;)Ljava/lang/Object;
            pop
         1: .line 365
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  static java.nio.MappedByteBuffer newMappedByteBufferR(int, long, java.io.FileDescriptor, java.lang.Runnable);
    descriptor: (IJLjava/io/FileDescriptor;Ljava/lang/Runnable;)Ljava/nio/MappedByteBuffer;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=8, locals=6, args_size=4
        start local 0 // int size
        start local 1 // long addr
        start local 3 // java.io.FileDescriptor fd
        start local 4 // java.lang.Runnable unmapper
         0: .line 372
            getstatic sun.nio.ch.Util.directByteBufferRConstructor:Ljava/lang/reflect/Constructor;
            ifnonnull 2
         1: .line 373
            invokestatic sun.nio.ch.Util.initDBBRConstructor:()V
         2: .line 375
      StackMap locals:
      StackMap stack:
            getstatic sun.nio.ch.Util.directByteBufferRConstructor:Ljava/lang/reflect/Constructor;
         3: .line 376
            iconst_4
            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 377
            new java.lang.Long
            dup
            lload 1 /* addr */
            invokespecial java.lang.Long.<init>:(J)V
            aastore
            dup
            iconst_2
         5: .line 378
            aload 3 /* fd */
            aastore
            dup
            iconst_3
         6: .line 379
            aload 4 /* unmapper */
            aastore
         7: .line 375
            invokevirtual java.lang.reflect.Constructor.newInstance:([Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.nio.MappedByteBuffer
            astore 5 /* dbb */
        start local 5 // java.nio.MappedByteBuffer dbb
         8: .line 380
            goto 11
        end local 5 // java.nio.MappedByteBuffer dbb
         9: .line 382
      StackMap locals:
      StackMap stack: java.lang.ReflectiveOperationException
            pop
        10: .line 383
            new java.lang.InternalError
            dup
            invokespecial java.lang.InternalError.<init>:()V
            athrow
        start local 5 // java.nio.MappedByteBuffer dbb
        11: .line 385
      StackMap locals: java.nio.MappedByteBuffer
      StackMap stack:
            aload 5 /* dbb */
            areturn
        end local 5 // java.nio.MappedByteBuffer dbb
        end local 4 // java.lang.Runnable unmapper
        end local 3 // java.io.FileDescriptor fd
        end local 1 // long addr
        end local 0 // int size
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   12     0      size  I
            0   12     1      addr  J
            0   12     3        fd  Ljava/io/FileDescriptor;
            0   12     4  unmapper  Ljava/lang/Runnable;
            8    9     5       dbb  Ljava/nio/MappedByteBuffer;
           11   12     5       dbb  Ljava/nio/MappedByteBuffer;
      Exception table:
        from    to  target  type
           2     8       9  Class java.lang.InstantiationException
           2     8       9  Class java.lang.IllegalAccessException
           2     8       9  Class java.lang.reflect.InvocationTargetException
    MethodParameters:
          Name  Flags
      size      
      addr      
      fd        
      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 394
            getstatic sun.nio.ch.Util.bugLevel:Ljava/lang/String;
            ifnonnull 8
         1: .line 395
            invokestatic sun.misc.VM.isBooted:()Z
            ifne 3
         2: .line 396
            iconst_0
            ireturn
         3: .line 398
      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 397
            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 399
            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 401
      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$4  sun.nio.ch.Util$BufferCache
InnerClasses:
  sun.nio.ch.Util$1
  sun.nio.ch.Util$2
  sun.nio.ch.Util$3
  sun.nio.ch.Util$4
  private BufferCache = sun.nio.ch.Util$BufferCache of sun.nio.ch.Util