class java.nio.Bits
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: java.nio.Bits
  super_class: java.lang.Object
{
  private static final jdk.internal.misc.Unsafe UNSAFE;
    descriptor: Ljdk/internal/misc/Unsafe;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

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

  private static boolean UNALIGNED;
    descriptor: Z
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  private static volatile long MAX_MEMORY;
    descriptor: J
    flags: (0x004a) ACC_PRIVATE, ACC_STATIC, ACC_VOLATILE

  private static final java.util.concurrent.atomic.AtomicLong RESERVED_MEMORY;
    descriptor: Ljava/util/concurrent/atomic/AtomicLong;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.util.concurrent.atomic.AtomicLong TOTAL_CAPACITY;
    descriptor: Ljava/util/concurrent/atomic/AtomicLong;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.util.concurrent.atomic.AtomicLong COUNT;
    descriptor: Ljava/util/concurrent/atomic/AtomicLong;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static volatile boolean MEMORY_LIMIT_SET;
    descriptor: Z
    flags: (0x004a) ACC_PRIVATE, ACC_STATIC, ACC_VOLATILE

  private static final int MAX_SLEEPS;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 9

  static final jdk.internal.misc.JavaNioAccess$BufferPool BUFFER_POOL;
    descriptor: Ljdk/internal/misc/JavaNioAccess$BufferPool;
    flags: (0x0018) ACC_STATIC, ACC_FINAL

  static final int JNI_COPY_TO_ARRAY_THRESHOLD;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 6

  static final int JNI_COPY_FROM_ARRAY_THRESHOLD;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 6

  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 40
            ldc Ljava/nio/Bits;
            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 java.nio.Bits.$assertionsDisabled:Z
         3: .line 66
            invokestatic jdk.internal.misc.Unsafe.getUnsafe:()Ljdk/internal/misc/Unsafe;
            putstatic java.nio.Bits.UNSAFE:Ljdk/internal/misc/Unsafe;
         4: .line 70
            iconst_m1
            putstatic java.nio.Bits.PAGE_SIZE:I
         5: .line 82
            getstatic java.nio.Bits.UNSAFE:Ljdk/internal/misc/Unsafe;
            invokevirtual jdk.internal.misc.Unsafe.unalignedAccess:()Z
            putstatic java.nio.Bits.UNALIGNED:Z
         6: .line 94
            invokestatic jdk.internal.misc.VM.maxDirectMemory:()J
            putstatic java.nio.Bits.MAX_MEMORY:J
         7: .line 95
            new java.util.concurrent.atomic.AtomicLong
            dup
            invokespecial java.util.concurrent.atomic.AtomicLong.<init>:()V
            putstatic java.nio.Bits.RESERVED_MEMORY:Ljava/util/concurrent/atomic/AtomicLong;
         8: .line 96
            new java.util.concurrent.atomic.AtomicLong
            dup
            invokespecial java.util.concurrent.atomic.AtomicLong.<init>:()V
            putstatic java.nio.Bits.TOTAL_CAPACITY:Ljava/util/concurrent/atomic/AtomicLong;
         9: .line 97
            new java.util.concurrent.atomic.AtomicLong
            dup
            invokespecial java.util.concurrent.atomic.AtomicLong.<init>:()V
            putstatic java.nio.Bits.COUNT:Ljava/util/concurrent/atomic/AtomicLong;
        10: .line 210
            new java.nio.Bits$1
            dup
            invokespecial java.nio.Bits$1.<init>:()V
            putstatic java.nio.Bits.BUFFER_POOL:Ljdk/internal/misc/JavaNioAccess$BufferPool;
        11: .line 233
            return
      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 // java.nio.Bits this
         0: .line 42
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // java.nio.Bits this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/nio/Bits;

  static short swap(short);
    descriptor: (S)S
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // short x
         0: .line 48
            iload 0 /* x */
            invokestatic java.lang.Short.reverseBytes:(S)S
            ireturn
        end local 0 // short x
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0     x  S
    MethodParameters:
      Name  Flags
      x     

  static char swap(char);
    descriptor: (C)C
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // char x
         0: .line 52
            iload 0 /* x */
            invokestatic java.lang.Character.reverseBytes:(C)C
            ireturn
        end local 0 // char x
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0     x  C
    MethodParameters:
      Name  Flags
      x     

  static int swap(int);
    descriptor: (I)I
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // int x
         0: .line 56
            iload 0 /* x */
            invokestatic java.lang.Integer.reverseBytes:(I)I
            ireturn
        end local 0 // int x
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0     x  I
    MethodParameters:
      Name  Flags
      x     

  static long swap(long);
    descriptor: (J)J
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // long x
         0: .line 60
            lload 0 /* x */
            invokestatic java.lang.Long.reverseBytes:(J)J
            lreturn
        end local 0 // long x
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0     x  J
    MethodParameters:
      Name  Flags
      x     

  static int pageSize();
    descriptor: ()I
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 73
            getstatic java.nio.Bits.PAGE_SIZE:I
            iconst_m1
            if_icmpne 2
         1: .line 74
            getstatic java.nio.Bits.UNSAFE:Ljdk/internal/misc/Unsafe;
            invokevirtual jdk.internal.misc.Unsafe.pageSize:()I
            putstatic java.nio.Bits.PAGE_SIZE:I
         2: .line 75
      StackMap locals:
      StackMap stack:
            getstatic java.nio.Bits.PAGE_SIZE:I
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  static int pageCount(long);
    descriptor: (J)I
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // long size
         0: .line 79
            lload 0 /* size */
            invokestatic java.nio.Bits.pageSize:()I
            i2l
            ladd
            lconst_1
            lsub
            l2i
            invokestatic java.nio.Bits.pageSize:()I
            idiv
            ireturn
        end local 0 // long size
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  size  J
    MethodParameters:
      Name  Flags
      size  

  static boolean unaligned();
    descriptor: ()Z
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 85
            getstatic java.nio.Bits.UNALIGNED:Z
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  static void reserveMemory(long, int);
    descriptor: (JI)V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=10, args_size=2
        start local 0 // long size
        start local 2 // int cap
         0: .line 111
            getstatic java.nio.Bits.MEMORY_LIMIT_SET:Z
            ifne 3
            invokestatic jdk.internal.misc.VM.initLevel:()I
            iconst_1
            if_icmplt 3
         1: .line 112
            invokestatic jdk.internal.misc.VM.maxDirectMemory:()J
            putstatic java.nio.Bits.MAX_MEMORY:J
         2: .line 113
            iconst_1
            putstatic java.nio.Bits.MEMORY_LIMIT_SET:Z
         3: .line 117
      StackMap locals:
      StackMap stack:
            lload 0 /* size */
            iload 2 /* cap */
            invokestatic java.nio.Bits.tryReserveMemory:(JI)Z
            ifeq 5
         4: .line 118
            return
         5: .line 121
      StackMap locals:
      StackMap stack:
            invokestatic jdk.internal.misc.SharedSecrets.getJavaLangRefAccess:()Ljdk/internal/misc/JavaLangRefAccess;
            astore 3 /* jlra */
        start local 3 // jdk.internal.misc.JavaLangRefAccess jlra
         6: .line 122
            iconst_0
            istore 4 /* interrupted */
        start local 4 // boolean interrupted
         7: .line 131
      StackMap locals: jdk.internal.misc.JavaLangRefAccess int
      StackMap stack:
            aload 3 /* jlra */
            invokeinterface jdk.internal.misc.JavaLangRefAccess.waitForReferenceProcessing:()Z
            istore 5 /* refprocActive */
        start local 5 // boolean refprocActive
         8: .line 132
            goto 12
        end local 5 // boolean refprocActive
      StackMap locals:
      StackMap stack: java.lang.InterruptedException
         9: pop
        10: .line 134
            iconst_1
            istore 4 /* interrupted */
        11: .line 135
            iconst_1
            istore 5 /* refprocActive */
        start local 5 // boolean refprocActive
        12: .line 137
      StackMap locals: int
      StackMap stack:
            lload 0 /* size */
            iload 2 /* cap */
            invokestatic java.nio.Bits.tryReserveMemory:(JI)Z
            ifeq 16
        13: .line 178
            iload 4 /* interrupted */
            ifeq 15
        14: .line 180
            invokestatic java.lang.Thread.currentThread:()Ljava/lang/Thread;
            invokevirtual java.lang.Thread.interrupt:()V
        15: .line 138
      StackMap locals:
      StackMap stack:
            return
        16: .line 140
      StackMap locals:
      StackMap stack:
            iload 5 /* refprocActive */
            ifne 7
        17: .line 143
            invokestatic java.lang.System.gc:()V
        18: .line 154
            lconst_1
            lstore 6 /* sleepTime */
        start local 6 // long sleepTime
        19: .line 155
            iconst_0
            istore 8 /* sleeps */
        start local 8 // int sleeps
        20: .line 157
      StackMap locals: long int
      StackMap stack:
            lload 0 /* size */
            iload 2 /* cap */
            invokestatic java.nio.Bits.tryReserveMemory:(JI)Z
            ifeq 24
        21: .line 178
            iload 4 /* interrupted */
            ifeq 23
        22: .line 180
            invokestatic java.lang.Thread.currentThread:()Ljava/lang/Thread;
            invokevirtual java.lang.Thread.interrupt:()V
        23: .line 158
      StackMap locals:
      StackMap stack:
            return
        24: .line 160
      StackMap locals:
      StackMap stack:
            iload 8 /* sleeps */
            bipush 9
            if_icmplt 26
        25: .line 161
            goto 34
        26: .line 164
      StackMap locals:
      StackMap stack:
            aload 3 /* jlra */
            invokeinterface jdk.internal.misc.JavaLangRefAccess.waitForReferenceProcessing:()Z
            ifne 20
        27: .line 165
            lload 6 /* sleepTime */
            invokestatic java.lang.Thread.sleep:(J)V
        28: .line 166
            lload 6 /* sleepTime */
            iconst_1
            lshl
            lstore 6 /* sleepTime */
        29: .line 167
            iinc 8 /* sleeps */ 1
        30: .line 169
            goto 20
      StackMap locals:
      StackMap stack: java.lang.InterruptedException
        31: pop
        32: .line 170
            iconst_1
            istore 4 /* interrupted */
        33: .line 156
            goto 20
        34: .line 175
      StackMap locals:
      StackMap stack:
            new java.lang.OutOfMemoryError
            dup
            ldc "Direct buffer memory"
            invokespecial java.lang.OutOfMemoryError.<init>:(Ljava/lang/String;)V
            athrow
        end local 8 // int sleeps
        end local 6 // long sleepTime
        end local 5 // boolean refprocActive
        35: .line 177
      StackMap locals: long int jdk.internal.misc.JavaLangRefAccess int
      StackMap stack: java.lang.Throwable
            astore 9
        36: .line 178
            iload 4 /* interrupted */
            ifeq 38
        37: .line 180
            invokestatic java.lang.Thread.currentThread:()Ljava/lang/Thread;
            invokevirtual java.lang.Thread.interrupt:()V
        38: .line 182
      StackMap locals: long int jdk.internal.misc.JavaLangRefAccess int top top top top java.lang.Throwable
      StackMap stack:
            aload 9
            athrow
        end local 4 // boolean interrupted
        end local 3 // jdk.internal.misc.JavaLangRefAccess jlra
        end local 2 // int cap
        end local 0 // long size
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   39     0           size  J
            0   39     2            cap  I
            6   39     3           jlra  Ljdk/internal/misc/JavaLangRefAccess;
            7   39     4    interrupted  Z
            8    9     5  refprocActive  Z
           12   35     5  refprocActive  Z
           19   35     6      sleepTime  J
           20   35     8         sleeps  I
      Exception table:
        from    to  target  type
           7     8       9  Class java.lang.InterruptedException
          26    30      31  Class java.lang.InterruptedException
           7    13      35  any
          16    21      35  any
          24    35      35  any
    MethodParameters:
      Name  Flags
      size  
      cap   

  private static boolean tryReserveMemory(long, int);
    descriptor: (JI)Z
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=8, locals=5, args_size=2
        start local 0 // long size
        start local 2 // int cap
         0: .line 191
            goto 5
        start local 3 // long totalCap
         1: .line 192
      StackMap locals: long
      StackMap stack:
            getstatic java.nio.Bits.TOTAL_CAPACITY:Ljava/util/concurrent/atomic/AtomicLong;
            lload 3 /* totalCap */
            lload 3 /* totalCap */
            iload 2 /* cap */
            i2l
            ladd
            invokevirtual java.util.concurrent.atomic.AtomicLong.compareAndSet:(JJ)Z
            ifeq 5
         2: .line 193
            getstatic java.nio.Bits.RESERVED_MEMORY:Ljava/util/concurrent/atomic/AtomicLong;
            lload 0 /* size */
            invokevirtual java.util.concurrent.atomic.AtomicLong.addAndGet:(J)J
            pop2
         3: .line 194
            getstatic java.nio.Bits.COUNT:Ljava/util/concurrent/atomic/AtomicLong;
            invokevirtual java.util.concurrent.atomic.AtomicLong.incrementAndGet:()J
            pop2
         4: .line 195
            iconst_1
            ireturn
        end local 3 // long totalCap
         5: .line 191
      StackMap locals:
      StackMap stack:
            iload 2 /* cap */
            i2l
            getstatic java.nio.Bits.MAX_MEMORY:J
            getstatic java.nio.Bits.TOTAL_CAPACITY:Ljava/util/concurrent/atomic/AtomicLong;
            invokevirtual java.util.concurrent.atomic.AtomicLong.get:()J
            dup2
            lstore 3 /* totalCap */
        start local 3 // long totalCap
         6: lsub
            lcmp
            ifle 1
         7: .line 199
            iconst_0
            ireturn
        end local 3 // long totalCap
        end local 2 // int cap
        end local 0 // long size
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    8     0      size  J
            0    8     2       cap  I
            1    5     3  totalCap  J
            6    8     3  totalCap  J
    MethodParameters:
      Name  Flags
      size  
      cap   

  static void unreserveMemory(long, int);
    descriptor: (JI)V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=9, args_size=2
        start local 0 // long size
        start local 2 // int cap
         0: .line 204
            getstatic java.nio.Bits.COUNT:Ljava/util/concurrent/atomic/AtomicLong;
            invokevirtual java.util.concurrent.atomic.AtomicLong.decrementAndGet:()J
            lstore 3 /* cnt */
        start local 3 // long cnt
         1: .line 205
            getstatic java.nio.Bits.RESERVED_MEMORY:Ljava/util/concurrent/atomic/AtomicLong;
            lload 0 /* size */
            lneg
            invokevirtual java.util.concurrent.atomic.AtomicLong.addAndGet:(J)J
            lstore 5 /* reservedMem */
        start local 5 // long reservedMem
         2: .line 206
            getstatic java.nio.Bits.TOTAL_CAPACITY:Ljava/util/concurrent/atomic/AtomicLong;
            iload 2 /* cap */
            ineg
            i2l
            invokevirtual java.util.concurrent.atomic.AtomicLong.addAndGet:(J)J
            lstore 7 /* totalCap */
        start local 7 // long totalCap
         3: .line 207
            getstatic java.nio.Bits.$assertionsDisabled:Z
            ifne 5
            lload 3 /* cnt */
            lconst_0
            lcmp
            iflt 4
            lload 5 /* reservedMem */
            lconst_0
            lcmp
            iflt 4
            lload 7 /* totalCap */
            lconst_0
            lcmp
            ifge 5
      StackMap locals: long long long
      StackMap stack:
         4: new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         5: .line 208
      StackMap locals:
      StackMap stack:
            return
        end local 7 // long totalCap
        end local 5 // long reservedMem
        end local 3 // long cnt
        end local 2 // int cap
        end local 0 // long size
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    6     0         size  J
            0    6     2          cap  I
            1    6     3          cnt  J
            2    6     5  reservedMem  J
            3    6     7     totalCap  J
    MethodParameters:
      Name  Flags
      size  
      cap   
}
SourceFile: "Bits.java"
NestMembers:
  java.nio.Bits$1
InnerClasses:
  java.nio.Bits$1
  public abstract BufferPool = jdk.internal.misc.JavaNioAccess$BufferPool of jdk.internal.misc.JavaNioAccess