public class java.util.concurrent.locks.LockSupport
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: java.util.concurrent.locks.LockSupport
  super_class: java.lang.Object
{
  private static final jdk.internal.misc.Unsafe U;
    descriptor: Ljdk/internal/misc/Unsafe;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final long PARKBLOCKER;
    descriptor: J
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final long SECONDARY;
    descriptor: J
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final long TID;
    descriptor: J
    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 423
            invokestatic jdk.internal.misc.Unsafe.getUnsafe:()Ljdk/internal/misc/Unsafe;
            putstatic java.util.concurrent.locks.LockSupport.U:Ljdk/internal/misc/Unsafe;
         1: .line 424
            getstatic java.util.concurrent.locks.LockSupport.U:Ljdk/internal/misc/Unsafe;
         2: .line 425
            ldc Ljava/lang/Thread;
            ldc "parkBlocker"
         3: .line 424
            invokevirtual jdk.internal.misc.Unsafe.objectFieldOffset:(Ljava/lang/Class;Ljava/lang/String;)J
            putstatic java.util.concurrent.locks.LockSupport.PARKBLOCKER:J
         4: .line 426
            getstatic java.util.concurrent.locks.LockSupport.U:Ljdk/internal/misc/Unsafe;
         5: .line 427
            ldc Ljava/lang/Thread;
            ldc "threadLocalRandomSecondarySeed"
         6: .line 426
            invokevirtual jdk.internal.misc.Unsafe.objectFieldOffset:(Ljava/lang/Class;Ljava/lang/String;)J
            putstatic java.util.concurrent.locks.LockSupport.SECONDARY:J
         7: .line 428
            getstatic java.util.concurrent.locks.LockSupport.U:Ljdk/internal/misc/Unsafe;
         8: .line 429
            ldc Ljava/lang/Thread;
            ldc "tid"
         9: .line 428
            invokevirtual jdk.internal.misc.Unsafe.objectFieldOffset:(Ljava/lang/Class;Ljava/lang/String;)J
            putstatic java.util.concurrent.locks.LockSupport.TID:J
        10: .line 429
            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.util.concurrent.locks.LockSupport this
         0: .line 140
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // java.util.concurrent.locks.LockSupport this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/util/concurrent/locks/LockSupport;

  private static void setBlocker(java.lang.Thread, java.lang.Object);
    descriptor: (Ljava/lang/Thread;Ljava/lang/Object;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // java.lang.Thread t
        start local 1 // java.lang.Object arg
         0: .line 144
            getstatic java.util.concurrent.locks.LockSupport.U:Ljdk/internal/misc/Unsafe;
            aload 0 /* t */
            getstatic java.util.concurrent.locks.LockSupport.PARKBLOCKER:J
            aload 1 /* arg */
            invokevirtual jdk.internal.misc.Unsafe.putObject:(Ljava/lang/Object;JLjava/lang/Object;)V
         1: .line 145
            return
        end local 1 // java.lang.Object arg
        end local 0 // java.lang.Thread t
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0     t  Ljava/lang/Thread;
            0    2     1   arg  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      t     
      arg   

  public static void unpark(java.lang.Thread);
    descriptor: (Ljava/lang/Thread;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.lang.Thread thread
         0: .line 159
            aload 0 /* thread */
            ifnull 2
         1: .line 160
            getstatic java.util.concurrent.locks.LockSupport.U:Ljdk/internal/misc/Unsafe;
            aload 0 /* thread */
            invokevirtual jdk.internal.misc.Unsafe.unpark:(Ljava/lang/Object;)V
         2: .line 161
      StackMap locals:
      StackMap stack:
            return
        end local 0 // java.lang.Thread thread
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0  thread  Ljava/lang/Thread;
    MethodParameters:
        Name  Flags
      thread  

  public static void park(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // java.lang.Object blocker
         0: .line 192
            invokestatic java.lang.Thread.currentThread:()Ljava/lang/Thread;
            astore 1 /* t */
        start local 1 // java.lang.Thread t
         1: .line 193
            aload 1 /* t */
            aload 0 /* blocker */
            invokestatic java.util.concurrent.locks.LockSupport.setBlocker:(Ljava/lang/Thread;Ljava/lang/Object;)V
         2: .line 194
            getstatic java.util.concurrent.locks.LockSupport.U:Ljdk/internal/misc/Unsafe;
            iconst_0
            lconst_0
            invokevirtual jdk.internal.misc.Unsafe.park:(ZJ)V
         3: .line 195
            aload 1 /* t */
            aconst_null
            invokestatic java.util.concurrent.locks.LockSupport.setBlocker:(Ljava/lang/Thread;Ljava/lang/Object;)V
         4: .line 196
            return
        end local 1 // java.lang.Thread t
        end local 0 // java.lang.Object blocker
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    5     0  blocker  Ljava/lang/Object;
            1    5     1        t  Ljava/lang/Thread;
    MethodParameters:
         Name  Flags
      blocker  

  public static void parkNanos(java.lang.Object, long);
    descriptor: (Ljava/lang/Object;J)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=4, args_size=2
        start local 0 // java.lang.Object blocker
        start local 1 // long nanos
         0: .line 231
            lload 1 /* nanos */
            lconst_0
            lcmp
            ifle 5
         1: .line 232
            invokestatic java.lang.Thread.currentThread:()Ljava/lang/Thread;
            astore 3 /* t */
        start local 3 // java.lang.Thread t
         2: .line 233
            aload 3 /* t */
            aload 0 /* blocker */
            invokestatic java.util.concurrent.locks.LockSupport.setBlocker:(Ljava/lang/Thread;Ljava/lang/Object;)V
         3: .line 234
            getstatic java.util.concurrent.locks.LockSupport.U:Ljdk/internal/misc/Unsafe;
            iconst_0
            lload 1 /* nanos */
            invokevirtual jdk.internal.misc.Unsafe.park:(ZJ)V
         4: .line 235
            aload 3 /* t */
            aconst_null
            invokestatic java.util.concurrent.locks.LockSupport.setBlocker:(Ljava/lang/Thread;Ljava/lang/Object;)V
        end local 3 // java.lang.Thread t
         5: .line 237
      StackMap locals:
      StackMap stack:
            return
        end local 1 // long nanos
        end local 0 // java.lang.Object blocker
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    6     0  blocker  Ljava/lang/Object;
            0    6     1    nanos  J
            2    5     3        t  Ljava/lang/Thread;
    MethodParameters:
         Name  Flags
      blocker  
      nanos    

  public static void parkUntil(java.lang.Object, long);
    descriptor: (Ljava/lang/Object;J)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=4, args_size=2
        start local 0 // java.lang.Object blocker
        start local 1 // long deadline
         0: .line 273
            invokestatic java.lang.Thread.currentThread:()Ljava/lang/Thread;
            astore 3 /* t */
        start local 3 // java.lang.Thread t
         1: .line 274
            aload 3 /* t */
            aload 0 /* blocker */
            invokestatic java.util.concurrent.locks.LockSupport.setBlocker:(Ljava/lang/Thread;Ljava/lang/Object;)V
         2: .line 275
            getstatic java.util.concurrent.locks.LockSupport.U:Ljdk/internal/misc/Unsafe;
            iconst_1
            lload 1 /* deadline */
            invokevirtual jdk.internal.misc.Unsafe.park:(ZJ)V
         3: .line 276
            aload 3 /* t */
            aconst_null
            invokestatic java.util.concurrent.locks.LockSupport.setBlocker:(Ljava/lang/Thread;Ljava/lang/Object;)V
         4: .line 277
            return
        end local 3 // java.lang.Thread t
        end local 1 // long deadline
        end local 0 // java.lang.Object blocker
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    5     0   blocker  Ljava/lang/Object;
            0    5     1  deadline  J
            1    5     3         t  Ljava/lang/Thread;
    MethodParameters:
          Name  Flags
      blocker   
      deadline  

  public static java.lang.Object getBlocker(java.lang.Thread);
    descriptor: (Ljava/lang/Thread;)Ljava/lang/Object;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // java.lang.Thread t
         0: .line 292
            aload 0 /* t */
            ifnonnull 2
         1: .line 293
            new java.lang.NullPointerException
            dup
            invokespecial java.lang.NullPointerException.<init>:()V
            athrow
         2: .line 294
      StackMap locals:
      StackMap stack:
            getstatic java.util.concurrent.locks.LockSupport.U:Ljdk/internal/misc/Unsafe;
            aload 0 /* t */
            getstatic java.util.concurrent.locks.LockSupport.PARKBLOCKER:J
            invokevirtual jdk.internal.misc.Unsafe.getObjectVolatile:(Ljava/lang/Object;J)Ljava/lang/Object;
            areturn
        end local 0 // java.lang.Thread t
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0     t  Ljava/lang/Thread;
    MethodParameters:
      Name  Flags
      t     

  public static void park();
    descriptor: ()V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=0, args_size=0
         0: .line 323
            getstatic java.util.concurrent.locks.LockSupport.U:Ljdk/internal/misc/Unsafe;
            iconst_0
            lconst_0
            invokevirtual jdk.internal.misc.Unsafe.park:(ZJ)V
         1: .line 324
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static void parkNanos(long);
    descriptor: (J)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // long nanos
         0: .line 356
            lload 0 /* nanos */
            lconst_0
            lcmp
            ifle 2
         1: .line 357
            getstatic java.util.concurrent.locks.LockSupport.U:Ljdk/internal/misc/Unsafe;
            iconst_0
            lload 0 /* nanos */
            invokevirtual jdk.internal.misc.Unsafe.park:(ZJ)V
         2: .line 358
      StackMap locals:
      StackMap stack:
            return
        end local 0 // long nanos
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0  nanos  J
    MethodParameters:
       Name  Flags
      nanos  

  public static void parkUntil(long);
    descriptor: (J)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // long deadline
         0: .line 391
            getstatic java.util.concurrent.locks.LockSupport.U:Ljdk/internal/misc/Unsafe;
            iconst_1
            lload 0 /* deadline */
            invokevirtual jdk.internal.misc.Unsafe.park:(ZJ)V
         1: .line 392
            return
        end local 0 // long deadline
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    2     0  deadline  J
    MethodParameters:
          Name  Flags
      deadline  

  static final int nextSecondarySeed();
    descriptor: ()I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    Code:
      stack=5, locals=2, args_size=0
         0: .line 400
            invokestatic java.lang.Thread.currentThread:()Ljava/lang/Thread;
            astore 1 /* t */
        start local 1 // java.lang.Thread t
         1: .line 401
            getstatic java.util.concurrent.locks.LockSupport.U:Ljdk/internal/misc/Unsafe;
            aload 1 /* t */
            getstatic java.util.concurrent.locks.LockSupport.SECONDARY:J
            invokevirtual jdk.internal.misc.Unsafe.getInt:(Ljava/lang/Object;J)I
            dup
            istore 0 /* r */
        start local 0 // int r
         2: ifeq 7
         3: .line 402
            iload 0 /* r */
            iload 0 /* r */
            bipush 13
            ishl
            ixor
            istore 0 /* r */
         4: .line 403
            iload 0 /* r */
            iload 0 /* r */
            bipush 17
            iushr
            ixor
            istore 0 /* r */
         5: .line 404
            iload 0 /* r */
            iload 0 /* r */
            iconst_5
            ishl
            ixor
            istore 0 /* r */
         6: .line 405
            goto 9
         7: .line 406
      StackMap locals: int java.lang.Thread
      StackMap stack:
            invokestatic java.util.concurrent.ThreadLocalRandom.current:()Ljava/util/concurrent/ThreadLocalRandom;
            invokevirtual java.util.concurrent.ThreadLocalRandom.nextInt:()I
            dup
            istore 0 /* r */
            ifne 9
         8: .line 407
            iconst_1
            istore 0 /* r */
         9: .line 408
      StackMap locals:
      StackMap stack:
            getstatic java.util.concurrent.locks.LockSupport.U:Ljdk/internal/misc/Unsafe;
            aload 1 /* t */
            getstatic java.util.concurrent.locks.LockSupport.SECONDARY:J
            iload 0 /* r */
            invokevirtual jdk.internal.misc.Unsafe.putInt:(Ljava/lang/Object;JI)V
        10: .line 409
            iload 0 /* r */
            ireturn
        end local 1 // java.lang.Thread t
        end local 0 // int r
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            2   11     0     r  I
            1   11     1     t  Ljava/lang/Thread;

  static final long getThreadId(java.lang.Thread);
    descriptor: (Ljava/lang/Thread;)J
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // java.lang.Thread thread
         0: .line 419
            getstatic java.util.concurrent.locks.LockSupport.U:Ljdk/internal/misc/Unsafe;
            aload 0 /* thread */
            getstatic java.util.concurrent.locks.LockSupport.TID:J
            invokevirtual jdk.internal.misc.Unsafe.getLong:(Ljava/lang/Object;J)J
            lreturn
        end local 0 // java.lang.Thread thread
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0  thread  Ljava/lang/Thread;
    MethodParameters:
        Name  Flags
      thread  
}
SourceFile: "LockSupport.java"