final class java.lang.ref.Finalizer extends java.lang.ref.FinalReference<java.lang.Object>
minor version: 0
major version: 59
flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
this_class: java.lang.ref.Finalizer
super_class: java.lang.ref.FinalReference
{
private static java.lang.ref.ReferenceQueue<java.lang.Object> queue;
descriptor: Ljava/lang/ref/ReferenceQueue;
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Signature: Ljava/lang/ref/ReferenceQueue<Ljava/lang/Object;>;
private static java.lang.ref.Finalizer unfinalized;
descriptor: Ljava/lang/ref/Finalizer;
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
private static final java.lang.Object lock;
descriptor: Ljava/lang/Object;
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
private java.lang.ref.Finalizer next;
descriptor: Ljava/lang/ref/Finalizer;
flags: (0x0002) ACC_PRIVATE
private java.lang.ref.Finalizer prev;
descriptor: Ljava/lang/ref/Finalizer;
flags: (0x0002) ACC_PRIVATE
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=3, locals=2, args_size=0
0: new java.lang.ref.ReferenceQueue
dup
invokespecial java.lang.ref.ReferenceQueue.<init>:()V
putstatic java.lang.ref.Finalizer.queue:Ljava/lang/ref/ReferenceQueue;
1: aconst_null
putstatic java.lang.ref.Finalizer.unfinalized:Ljava/lang/ref/Finalizer;
2: new java.lang.Object
dup
invokespecial java.lang.Object.<init>:()V
putstatic java.lang.ref.Finalizer.lock:Ljava/lang/Object;
3: invokestatic java.lang.Thread.currentThread:()Ljava/lang/Thread;
invokevirtual java.lang.Thread.getThreadGroup:()Ljava/lang/ThreadGroup;
astore 0
start local 0 4: aload 0
astore 1
start local 1 5: goto 7
6: StackMap locals: java.lang.ThreadGroup java.lang.ThreadGroup
StackMap stack:
aload 1
astore 0
aload 0
invokevirtual java.lang.ThreadGroup.getParent:()Ljava/lang/ThreadGroup;
astore 1
7: StackMap locals:
StackMap stack:
aload 1
ifnonnull 6
end local 1 8: new java.lang.ref.Finalizer$FinalizerThread
dup
aload 0
invokespecial java.lang.ref.Finalizer$FinalizerThread.<init>:(Ljava/lang/ThreadGroup;)V
astore 1
start local 1 9: aload 1
bipush 8
invokevirtual java.lang.Thread.setPriority:(I)V
10: aload 1
iconst_1
invokevirtual java.lang.Thread.setDaemon:(Z)V
11: aload 1
invokevirtual java.lang.Thread.start:()V
end local 1 end local 0 12: return
LocalVariableTable:
Start End Slot Name Signature
4 12 0 tg Ljava/lang/ThreadGroup;
5 8 1 tgn Ljava/lang/ThreadGroup;
9 12 1 finalizer Ljava/lang/Thread;
private boolean hasBeenFinalized();
descriptor: ()Z
flags: (0x0002) ACC_PRIVATE
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
getfield java.lang.ref.Finalizer.next:Ljava/lang/ref/Finalizer;
aload 0
if_acmpne 1
iconst_1
ireturn
StackMap locals:
StackMap stack:
1: iconst_0
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/lang/ref/Finalizer;
private void add();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=2, locals=2, args_size=1
start local 0 0: getstatic java.lang.ref.Finalizer.lock:Ljava/lang/Object;
dup
astore 1
monitorenter
1: getstatic java.lang.ref.Finalizer.unfinalized:Ljava/lang/ref/Finalizer;
ifnull 4
2: aload 0
getstatic java.lang.ref.Finalizer.unfinalized:Ljava/lang/ref/Finalizer;
putfield java.lang.ref.Finalizer.next:Ljava/lang/ref/Finalizer;
3: getstatic java.lang.ref.Finalizer.unfinalized:Ljava/lang/ref/Finalizer;
aload 0
putfield java.lang.ref.Finalizer.prev:Ljava/lang/ref/Finalizer;
4: StackMap locals: java.lang.Object
StackMap stack:
aload 0
putstatic java.lang.ref.Finalizer.unfinalized:Ljava/lang/ref/Finalizer;
5: aload 1
monitorexit
6: goto 9
StackMap locals:
StackMap stack: java.lang.Throwable
7: aload 1
monitorexit
8: athrow
9: StackMap locals:
StackMap stack:
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 10 0 this Ljava/lang/ref/Finalizer;
Exception table:
from to target type
1 6 7 any
7 8 7 any
private void remove();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=2, locals=2, args_size=1
start local 0 0: getstatic java.lang.ref.Finalizer.lock:Ljava/lang/Object;
dup
astore 1
monitorenter
1: getstatic java.lang.ref.Finalizer.unfinalized:Ljava/lang/ref/Finalizer;
aload 0
if_acmpne 6
2: aload 0
getfield java.lang.ref.Finalizer.next:Ljava/lang/ref/Finalizer;
ifnull 5
3: aload 0
getfield java.lang.ref.Finalizer.next:Ljava/lang/ref/Finalizer;
putstatic java.lang.ref.Finalizer.unfinalized:Ljava/lang/ref/Finalizer;
4: goto 6
5: StackMap locals: java.lang.Object
StackMap stack:
aload 0
getfield java.lang.ref.Finalizer.prev:Ljava/lang/ref/Finalizer;
putstatic java.lang.ref.Finalizer.unfinalized:Ljava/lang/ref/Finalizer;
6: StackMap locals:
StackMap stack:
aload 0
getfield java.lang.ref.Finalizer.next:Ljava/lang/ref/Finalizer;
ifnull 8
7: aload 0
getfield java.lang.ref.Finalizer.next:Ljava/lang/ref/Finalizer;
aload 0
getfield java.lang.ref.Finalizer.prev:Ljava/lang/ref/Finalizer;
putfield java.lang.ref.Finalizer.prev:Ljava/lang/ref/Finalizer;
8: StackMap locals:
StackMap stack:
aload 0
getfield java.lang.ref.Finalizer.prev:Ljava/lang/ref/Finalizer;
ifnull 10
9: aload 0
getfield java.lang.ref.Finalizer.prev:Ljava/lang/ref/Finalizer;
aload 0
getfield java.lang.ref.Finalizer.next:Ljava/lang/ref/Finalizer;
putfield java.lang.ref.Finalizer.next:Ljava/lang/ref/Finalizer;
10: StackMap locals:
StackMap stack:
aload 0
aload 0
putfield java.lang.ref.Finalizer.next:Ljava/lang/ref/Finalizer;
11: aload 0
aload 0
putfield java.lang.ref.Finalizer.prev:Ljava/lang/ref/Finalizer;
12: aload 1
monitorexit
13: goto 16
StackMap locals:
StackMap stack: java.lang.Throwable
14: aload 1
monitorexit
15: athrow
16: StackMap locals:
StackMap stack:
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 17 0 this Ljava/lang/ref/Finalizer;
Exception table:
from to target type
1 13 14 any
14 15 14 any
private void <init>(java.lang.Object);
descriptor: (Ljava/lang/Object;)V
flags: (0x0002) ACC_PRIVATE
Code:
stack=3, locals=2, args_size=2
start local 0 start local 1 0: aload 0
aload 1
getstatic java.lang.ref.Finalizer.queue:Ljava/lang/ref/ReferenceQueue;
invokespecial java.lang.ref.FinalReference.<init>:(Ljava/lang/Object;Ljava/lang/ref/ReferenceQueue;)V
1: aload 0
aconst_null
putfield java.lang.ref.Finalizer.next:Ljava/lang/ref/Finalizer;
2: aload 0
aconst_null
putfield java.lang.ref.Finalizer.prev:Ljava/lang/ref/Finalizer;
3: aload 0
invokevirtual java.lang.ref.Finalizer.add:()V
4: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/lang/ref/Finalizer;
0 5 1 finalizee Ljava/lang/Object;
MethodParameters:
Name Flags
finalizee
static java.lang.ref.ReferenceQueue<java.lang.Object> getQueue();
descriptor: ()Ljava/lang/ref/ReferenceQueue;
flags: (0x0008) ACC_STATIC
Code:
stack=1, locals=0, args_size=0
0: getstatic java.lang.ref.Finalizer.queue:Ljava/lang/ref/ReferenceQueue;
areturn
LocalVariableTable:
Start End Slot Name Signature
Signature: ()Ljava/lang/ref/ReferenceQueue<Ljava/lang/Object;>;
static void register(java.lang.Object);
descriptor: (Ljava/lang/Object;)V
flags: (0x0008) ACC_STATIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: new java.lang.ref.Finalizer
aload 0
invokespecial java.lang.ref.Finalizer.<init>:(Ljava/lang/Object;)V
1: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 finalizee Ljava/lang/Object;
MethodParameters:
Name Flags
finalizee
private void runFinalizer(sun.misc.JavaLangAccess);
descriptor: (Lsun/misc/JavaLangAccess;)V
flags: (0x0002) ACC_PRIVATE
Code:
stack=2, locals=3, args_size=2
start local 0 start local 1 0: aload 0
dup
astore 2
monitorenter
1: aload 0
invokevirtual java.lang.ref.Finalizer.hasBeenFinalized:()Z
ifeq 3
aload 2
monitorexit
2: return
3: StackMap locals: java.lang.ref.Finalizer
StackMap stack:
aload 0
invokevirtual java.lang.ref.Finalizer.remove:()V
4: aload 2
monitorexit
5: goto 8
StackMap locals:
StackMap stack: java.lang.Throwable
6: aload 2
monitorexit
7: athrow
8: StackMap locals:
StackMap stack:
aload 0
invokevirtual java.lang.ref.Finalizer.get:()Ljava/lang/Object;
astore 2
start local 2 9: aload 2
ifnull 14
aload 2
instanceof java.lang.Enum
ifne 14
10: aload 1
aload 2
invokeinterface sun.misc.JavaLangAccess.invokeFinalize:(Ljava/lang/Object;)V
11: aconst_null
astore 2
end local 2 12: goto 14
StackMap locals:
StackMap stack: java.lang.Throwable
13: pop
14: StackMap locals:
StackMap stack:
aload 0
invokespecial java.lang.ref.FinalReference.clear:()V
15: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 16 0 this Ljava/lang/ref/Finalizer;
0 16 1 jla Lsun/misc/JavaLangAccess;
9 12 2 finalizee Ljava/lang/Object;
Exception table:
from to target type
1 2 6 any
3 5 6 any
6 7 6 any
8 12 13 Class java.lang.Throwable
MethodParameters:
Name Flags
jla
private static void forkSecondaryFinalizer(java.lang.Runnable);
descriptor: (Ljava/lang/Runnable;)V
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=3, locals=1, args_size=1
start local 0 0: new java.lang.ref.Finalizer$1
dup
aload 0
invokespecial java.lang.ref.Finalizer$1.<init>:(Ljava/lang/Runnable;)V
1: invokestatic java.security.AccessController.doPrivileged:(Ljava/security/PrivilegedAction;)Ljava/lang/Object;
pop
2: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 proc Ljava/lang/Runnable;
MethodParameters:
Name Flags
proc final
static void runFinalization();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=2, locals=0, args_size=0
0: invokestatic sun.misc.VM.isBooted:()Z
ifne 2
1: return
2: StackMap locals:
StackMap stack:
new java.lang.ref.Finalizer$2
dup
invokespecial java.lang.ref.Finalizer$2.<init>:()V
invokestatic java.lang.ref.Finalizer.forkSecondaryFinalizer:(Ljava/lang/Runnable;)V
3: return
LocalVariableTable:
Start End Slot Name Signature
static void runAllFinalizers();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=2, locals=0, args_size=0
0: invokestatic sun.misc.VM.isBooted:()Z
ifne 2
1: return
2: StackMap locals:
StackMap stack:
new java.lang.ref.Finalizer$3
dup
invokespecial java.lang.ref.Finalizer$3.<init>:()V
invokestatic java.lang.ref.Finalizer.forkSecondaryFinalizer:(Ljava/lang/Runnable;)V
3: return
LocalVariableTable:
Start End Slot Name Signature
}
Signature: Ljava/lang/ref/FinalReference<Ljava/lang/Object;>;
SourceFile: "Finalizer.java"
NestMembers:
java.lang.ref.Finalizer$1 java.lang.ref.Finalizer$2 java.lang.ref.Finalizer$3 java.lang.ref.Finalizer$FinalizerThread
InnerClasses:
java.lang.ref.Finalizer$1
java.lang.ref.Finalizer$2
java.lang.ref.Finalizer$3
private FinalizerThread = java.lang.ref.Finalizer$FinalizerThread of java.lang.ref.Finalizer