final class jdk.internal.foreign.MemoryScope$Root extends jdk.internal.foreign.MemoryScope
minor version: 0
major version: 59
flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
this_class: jdk.internal.foreign.MemoryScope$Root
super_class: jdk.internal.foreign.MemoryScope
{
private final java.util.concurrent.locks.StampedLock lock;
descriptor: Ljava/util/concurrent/locks/StampedLock;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final java.util.concurrent.atomic.LongAdder acquired;
descriptor: Ljava/util/concurrent/atomic/LongAdder;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final java.lang.Object ref;
descriptor: Ljava/lang/Object;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final java.lang.Runnable cleanupAction;
descriptor: Ljava/lang/Runnable;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private void <init>(java.lang.Thread, java.lang.Object, java.lang.Runnable);
descriptor: (Ljava/lang/Thread;Ljava/lang/Object;Ljava/lang/Runnable;)V
flags: (0x0002) ACC_PRIVATE
Code:
stack=3, locals=4, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
aload 1
invokespecial jdk.internal.foreign.MemoryScope.<init>:(Ljava/lang/Thread;)V
1: aload 0
new java.util.concurrent.locks.StampedLock
dup
invokespecial java.util.concurrent.locks.StampedLock.<init>:()V
putfield jdk.internal.foreign.MemoryScope$Root.lock:Ljava/util/concurrent/locks/StampedLock;
2: aload 0
new java.util.concurrent.atomic.LongAdder
dup
invokespecial java.util.concurrent.atomic.LongAdder.<init>:()V
putfield jdk.internal.foreign.MemoryScope$Root.acquired:Ljava/util/concurrent/atomic/LongAdder;
3: aload 0
aload 2
putfield jdk.internal.foreign.MemoryScope$Root.ref:Ljava/lang/Object;
4: aload 0
aload 3
putfield jdk.internal.foreign.MemoryScope$Root.cleanupAction:Ljava/lang/Runnable;
5: return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Ljdk/internal/foreign/MemoryScope$Root;
0 6 1 owner Ljava/lang/Thread;
0 6 2 ref Ljava/lang/Object;
0 6 3 cleanupAction Ljava/lang/Runnable;
MethodParameters:
Name Flags
owner
ref
cleanupAction
jdk.internal.foreign.MemoryScope acquire();
descriptor: ()Ljdk/internal/foreign/MemoryScope;
flags: (0x0000)
Code:
stack=4, locals=5, args_size=1
start local 0 0: aload 0
getfield jdk.internal.foreign.MemoryScope$Root.lock:Ljava/util/concurrent/locks/StampedLock;
invokevirtual java.util.concurrent.locks.StampedLock.tryOptimisticRead:()J
lstore 1
start local 1 1: StackMap locals: long
StackMap stack:
lload 1
lconst_0
lcmp
ifne 3
2: goto 11
3: StackMap locals:
StackMap stack:
aload 0
invokestatic jdk.internal.foreign.MemoryScope.checkAliveConfined:(Ljdk/internal/foreign/MemoryScope;)V
4: aload 0
getfield jdk.internal.foreign.MemoryScope$Root.acquired:Ljava/util/concurrent/atomic/LongAdder;
invokevirtual java.util.concurrent.atomic.LongAdder.increment:()V
5: aload 0
getfield jdk.internal.foreign.MemoryScope$Root.lock:Ljava/util/concurrent/locks/StampedLock;
lload 1
invokevirtual java.util.concurrent.locks.StampedLock.validate:(J)Z
ifeq 10
6: new jdk.internal.foreign.MemoryScope$Root$Child
dup
aload 0
invokestatic java.lang.Thread.currentThread:()Ljava/lang/Thread;
invokespecial jdk.internal.foreign.MemoryScope$Root$Child.<init>:(Ljdk/internal/foreign/MemoryScope$Root;Ljava/lang/Thread;)V
astore 4
7: lload 1
invokestatic java.util.concurrent.locks.StampedLock.isReadLockStamp:(J)Z
ifeq 9
8: aload 0
getfield jdk.internal.foreign.MemoryScope$Root.lock:Ljava/util/concurrent/locks/StampedLock;
lload 1
invokevirtual java.util.concurrent.locks.StampedLock.unlockRead:(J)V
9: StackMap locals: jdk.internal.foreign.MemoryScope$Root long top jdk.internal.foreign.MemoryScope
StackMap stack:
aload 4
areturn
10: StackMap locals: jdk.internal.foreign.MemoryScope$Root long
StackMap stack:
aload 0
getfield jdk.internal.foreign.MemoryScope$Root.acquired:Ljava/util/concurrent/atomic/LongAdder;
invokevirtual java.util.concurrent.atomic.LongAdder.decrement:()V
11: StackMap locals:
StackMap stack:
aload 0
getfield jdk.internal.foreign.MemoryScope$Root.lock:Ljava/util/concurrent/locks/StampedLock;
invokevirtual java.util.concurrent.locks.StampedLock.readLock:()J
lstore 1
goto 1
12: StackMap locals:
StackMap stack: java.lang.Throwable
astore 3
13: lload 1
invokestatic java.util.concurrent.locks.StampedLock.isReadLockStamp:(J)Z
ifeq 15
14: aload 0
getfield jdk.internal.foreign.MemoryScope$Root.lock:Ljava/util/concurrent/locks/StampedLock;
lload 1
invokevirtual java.util.concurrent.locks.StampedLock.unlockRead:(J)V
15: StackMap locals: java.lang.Throwable
StackMap stack:
aload 3
athrow
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 16 0 this Ljdk/internal/foreign/MemoryScope$Root;
1 16 1 stamp J
Exception table:
from to target type
1 7 12 any
10 12 12 any
jdk.internal.foreign.MemoryScope dup(java.lang.Thread);
descriptor: (Ljava/lang/Thread;)Ljdk/internal/foreign/MemoryScope;
flags: (0x0000)
Code:
stack=5, locals=3, args_size=2
start local 0 start local 1 0: aload 1
ldc "newOwner"
invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
pop
1: new jdk.internal.foreign.MemoryScope$Root
dup
aload 1
aload 0
getfield jdk.internal.foreign.MemoryScope$Root.ref:Ljava/lang/Object;
aload 0
getfield jdk.internal.foreign.MemoryScope$Root.cleanupAction:Ljava/lang/Runnable;
invokespecial jdk.internal.foreign.MemoryScope$Root.<init>:(Ljava/lang/Thread;Ljava/lang/Object;Ljava/lang/Runnable;)V
astore 2
start local 2 2: aload 0
invokevirtual jdk.internal.foreign.MemoryScope$Root.justClose:()V
3: aload 2
areturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Ljdk/internal/foreign/MemoryScope$Root;
0 4 1 newOwner Ljava/lang/Thread;
2 4 2 duped Ljdk/internal/foreign/MemoryScope$Root;
MethodParameters:
Name Flags
newOwner
void close();
descriptor: ()V
flags: (0x0000)
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
invokevirtual jdk.internal.foreign.MemoryScope$Root.justClose:()V
1: aload 0
getfield jdk.internal.foreign.MemoryScope$Root.cleanupAction:Ljava/lang/Runnable;
ifnull 3
2: aload 0
getfield jdk.internal.foreign.MemoryScope$Root.cleanupAction:Ljava/lang/Runnable;
invokeinterface java.lang.Runnable.run:()V
3: StackMap locals:
StackMap stack:
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Ljdk/internal/foreign/MemoryScope$Root;
private void justClose();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=4, locals=4, args_size=1
start local 0 0: aload 0
getfield jdk.internal.foreign.MemoryScope$Root.lock:Ljava/util/concurrent/locks/StampedLock;
invokevirtual java.util.concurrent.locks.StampedLock.writeLock:()J
lstore 1
start local 1 1: aload 0
invokevirtual jdk.internal.foreign.MemoryScope$Root.checkValidState:()V
2: aload 0
getfield jdk.internal.foreign.MemoryScope$Root.acquired:Ljava/util/concurrent/atomic/LongAdder;
invokevirtual java.util.concurrent.atomic.LongAdder.sum:()J
lconst_0
lcmp
ifle 4
3: new java.lang.IllegalStateException
dup
ldc "Cannot close this scope as it has active acquired children"
invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
athrow
4: StackMap locals: long
StackMap stack:
getstatic jdk.internal.foreign.MemoryScope.CLOSED:Ljava/lang/invoke/VarHandle;
aload 0
iconst_1
invokevirtual java.lang.invoke.VarHandle.set:(Ljdk/internal/foreign/MemoryScope$Root;Z)V
5: goto 9
StackMap locals:
StackMap stack: java.lang.Throwable
6: astore 3
7: aload 0
getfield jdk.internal.foreign.MemoryScope$Root.lock:Ljava/util/concurrent/locks/StampedLock;
lload 1
invokevirtual java.util.concurrent.locks.StampedLock.unlockWrite:(J)V
8: aload 3
athrow
9: StackMap locals:
StackMap stack:
aload 0
getfield jdk.internal.foreign.MemoryScope$Root.lock:Ljava/util/concurrent/locks/StampedLock;
lload 1
invokevirtual java.util.concurrent.locks.StampedLock.unlockWrite:(J)V
10: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 11 0 this Ljdk/internal/foreign/MemoryScope$Root;
1 11 1 stamp J
Exception table:
from to target type
1 6 6 any
RuntimeVisibleAnnotations:
jdk.internal.vm.annotation.ForceInline()
}
SourceFile: "MemoryScope.java"
NestHost: jdk.internal.foreign.MemoryScope
InnerClasses:
private final Root = jdk.internal.foreign.MemoryScope$Root of jdk.internal.foreign.MemoryScope
private final Child = jdk.internal.foreign.MemoryScope$Root$Child of jdk.internal.foreign.MemoryScope$Root