class org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal extends org.apache.cassandra.utils.concurrent.WaitQueue$AbstractSignal
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal
  super_class: org.apache.cassandra.utils.concurrent.WaitQueue$AbstractSignal
{
  private volatile java.lang.Thread thread;
    descriptor: Ljava/lang/Thread;
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  volatile int state;
    descriptor: I
    flags: (0x0040) ACC_VOLATILE

  final org.apache.cassandra.utils.concurrent.WaitQueue this$0;
    descriptor: Lorg/apache/cassandra/utils/concurrent/WaitQueue;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  private void <init>(org.apache.cassandra.utils.concurrent.WaitQueue);
    descriptor: (Lorg/apache/cassandra/utils/concurrent/WaitQueue;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal this
         0: .line 322
            aload 0 /* this */
            aload 1
            putfield org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal.this$0:Lorg/apache/cassandra/utils/concurrent/WaitQueue;
            aload 0 /* this */
            invokespecial org.apache.cassandra.utils.concurrent.WaitQueue$AbstractSignal.<init>:()V
         1: .line 324
            aload 0 /* this */
            invokestatic java.lang.Thread.currentThread:()Ljava/lang/Thread;
            putfield org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal.thread:Ljava/lang/Thread;
         2: .line 322
            return
        end local 0 // org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/cassandra/utils/concurrent/WaitQueue$RegisteredSignal;
    MethodParameters:
        Name  Flags
      this$0  final

  public boolean isSignalled();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal this
         0: .line 329
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal.state:I
            iconst_1
            if_icmpne 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/cassandra/utils/concurrent/WaitQueue$RegisteredSignal;

  public boolean isCancelled();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal this
         0: .line 334
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal.state:I
            iconst_m1
            if_icmpne 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/cassandra/utils/concurrent/WaitQueue$RegisteredSignal;

  public boolean isSet();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal this
         0: .line 339
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal.state:I
            ifeq 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/cassandra/utils/concurrent/WaitQueue$RegisteredSignal;

  private java.lang.Thread signal();
    descriptor: ()Ljava/lang/Thread;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal this
         0: .line 344
            aload 0 /* this */
            invokevirtual org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal.isSet:()Z
            ifne 5
            getstatic org.apache.cassandra.utils.concurrent.WaitQueue.signalledUpdater:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
            aload 0 /* this */
            iconst_0
            iconst_1
            invokevirtual java.util.concurrent.atomic.AtomicIntegerFieldUpdater.compareAndSet:(Ljava/lang/Object;II)Z
            ifeq 5
         1: .line 346
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal.thread:Ljava/lang/Thread;
            astore 1 /* thread */
        start local 1 // java.lang.Thread thread
         2: .line 347
            aload 1 /* thread */
            invokestatic java.util.concurrent.locks.LockSupport.unpark:(Ljava/lang/Thread;)V
         3: .line 348
            aload 0 /* this */
            aconst_null
            putfield org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal.thread:Ljava/lang/Thread;
         4: .line 349
            aload 1 /* thread */
            areturn
        end local 1 // java.lang.Thread thread
         5: .line 351
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        end local 0 // org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    6     0    this  Lorg/apache/cassandra/utils/concurrent/WaitQueue$RegisteredSignal;
            2    5     1  thread  Ljava/lang/Thread;

  public boolean checkAndClear();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal this
         0: .line 356
            aload 0 /* this */
            invokevirtual org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal.isSet:()Z
            ifne 4
            getstatic org.apache.cassandra.utils.concurrent.WaitQueue.signalledUpdater:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
            aload 0 /* this */
            iconst_0
            iconst_m1
            invokevirtual java.util.concurrent.atomic.AtomicIntegerFieldUpdater.compareAndSet:(Ljava/lang/Object;II)Z
            ifeq 4
         1: .line 358
            aload 0 /* this */
            aconst_null
            putfield org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal.thread:Ljava/lang/Thread;
         2: .line 359
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal.this$0:Lorg/apache/cassandra/utils/concurrent/WaitQueue;
            invokevirtual org.apache.cassandra.utils.concurrent.WaitQueue.cleanUpCancelled:()V
         3: .line 360
            iconst_0
            ireturn
         4: .line 363
      StackMap locals:
      StackMap stack:
            iconst_1
            ireturn
        end local 0 // org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/apache/cassandra/utils/concurrent/WaitQueue$RegisteredSignal;

  public void cancel();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal this
         0: .line 372
            aload 0 /* this */
            invokevirtual org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal.isCancelled:()Z
            ifeq 2
         1: .line 373
            return
         2: .line 374
      StackMap locals:
      StackMap stack:
            getstatic org.apache.cassandra.utils.concurrent.WaitQueue.signalledUpdater:Ljava/util/concurrent/atomic/AtomicIntegerFieldUpdater;
            aload 0 /* this */
            iconst_0
            iconst_m1
            invokevirtual java.util.concurrent.atomic.AtomicIntegerFieldUpdater.compareAndSet:(Ljava/lang/Object;II)Z
            ifne 5
         3: .line 377
            aload 0 /* this */
            iconst_m1
            putfield org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal.state:I
         4: .line 379
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal.this$0:Lorg/apache/cassandra/utils/concurrent/WaitQueue;
            invokevirtual org.apache.cassandra.utils.concurrent.WaitQueue.signal:()Z
            pop
         5: .line 381
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aconst_null
            putfield org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal.thread:Ljava/lang/Thread;
         6: .line 382
            aload 0 /* this */
            getfield org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal.this$0:Lorg/apache/cassandra/utils/concurrent/WaitQueue;
            invokevirtual org.apache.cassandra.utils.concurrent.WaitQueue.cleanUpCancelled:()V
         7: .line 383
            return
        end local 0 // org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Lorg/apache/cassandra/utils/concurrent/WaitQueue$RegisteredSignal;
}
SourceFile: "WaitQueue.java"
NestHost: org.apache.cassandra.utils.concurrent.WaitQueue
InnerClasses:
  public abstract AbstractSignal = org.apache.cassandra.utils.concurrent.WaitQueue$AbstractSignal of org.apache.cassandra.utils.concurrent.WaitQueue
  private RegisteredSignal = org.apache.cassandra.utils.concurrent.WaitQueue$RegisteredSignal of org.apache.cassandra.utils.concurrent.WaitQueue