class java.lang.Shutdown
minor version: 0
major version: 59
flags: flags: (0x0020) ACC_SUPER
this_class: java.lang.Shutdown
super_class: java.lang.Object
{
private static final int MAX_SYSTEM_HOOKS;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 10
private static final java.lang.Runnable[] hooks;
descriptor: [Ljava/lang/Runnable;
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
private static int currentRunningHook;
descriptor: I
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
private static java.lang.Object lock;
descriptor: Ljava/lang/Object;
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
private static java.lang.Object haltLock;
descriptor: Ljava/lang/Object;
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=2, locals=0, args_size=0
0: bipush 10
anewarray java.lang.Runnable
putstatic java.lang.Shutdown.hooks:[Ljava/lang/Runnable;
1: iconst_m1
putstatic java.lang.Shutdown.currentRunningHook:I
2: new java.lang.Shutdown$Lock
dup
invokespecial java.lang.Shutdown$Lock.<init>:()V
putstatic java.lang.Shutdown.lock:Ljava/lang/Object;
3: new java.lang.Shutdown$Lock
dup
invokespecial java.lang.Shutdown$Lock.<init>:()V
putstatic java.lang.Shutdown.haltLock:Ljava/lang/Object;
return
LocalVariableTable:
Start End Slot Name Signature
void <init>();
descriptor: ()V
flags: (0x0000)
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
invokespecial java.lang.Object.<init>:()V
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/lang/Shutdown;
static void add(int, boolean, java.lang.Runnable);
descriptor: (IZLjava/lang/Runnable;)V
flags: (0x0008) ACC_STATIC
Code:
stack=5, locals=4, args_size=3
start local 0 start local 1 start local 2 0: iload 0
iflt 1
iload 0
bipush 10
if_icmplt 2
1: StackMap locals:
StackMap stack:
new java.lang.IllegalArgumentException
dup
new java.lang.StringBuilder
dup
ldc "Invalid slot: "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
iload 0
invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
athrow
2: StackMap locals:
StackMap stack:
getstatic java.lang.Shutdown.lock:Ljava/lang/Object;
dup
astore 3
monitorenter
3: getstatic java.lang.Shutdown.hooks:[Ljava/lang/Runnable;
iload 0
aaload
ifnull 5
4: new java.lang.InternalError
dup
new java.lang.StringBuilder
dup
ldc "Shutdown hook at slot "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
iload 0
invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
ldc " already registered"
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
invokespecial java.lang.InternalError.<init>:(Ljava/lang/String;)V
athrow
5: StackMap locals: java.lang.Object
StackMap stack:
iload 1
ifne 8
6: getstatic java.lang.Shutdown.currentRunningHook:I
iflt 10
7: new java.lang.IllegalStateException
dup
ldc "Shutdown in progress"
invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
athrow
8: StackMap locals:
StackMap stack:
invokestatic jdk.internal.misc.VM.isShutdown:()Z
ifne 9
iload 0
getstatic java.lang.Shutdown.currentRunningHook:I
if_icmpgt 10
9: StackMap locals:
StackMap stack:
new java.lang.IllegalStateException
dup
ldc "Shutdown in progress"
invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
athrow
10: StackMap locals:
StackMap stack:
getstatic java.lang.Shutdown.hooks:[Ljava/lang/Runnable;
iload 0
aload 2
aastore
11: aload 3
monitorexit
12: goto 15
StackMap locals:
StackMap stack: java.lang.Throwable
13: aload 3
monitorexit
14: athrow
15: StackMap locals:
StackMap stack:
return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 16 0 slot I
0 16 1 registerShutdownInProgress Z
0 16 2 hook Ljava/lang/Runnable;
Exception table:
from to target type
3 12 13 any
13 14 13 any
MethodParameters:
Name Flags
slot
registerShutdownInProgress
hook
private static void runHooks();
descriptor: ()V
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=2, locals=3, args_size=0
0: getstatic java.lang.Shutdown.lock:Ljava/lang/Object;
dup
astore 0
monitorenter
1: invokestatic jdk.internal.misc.VM.isShutdown:()Z
ifeq 3
aload 0
monitorexit
2: return
3: StackMap locals: java.lang.Object
StackMap stack:
aload 0
monitorexit
4: goto 7
StackMap locals:
StackMap stack: java.lang.Throwable
5: aload 0
monitorexit
6: athrow
7: StackMap locals:
StackMap stack:
iconst_0
istore 0
start local 0 8: goto 23
9: StackMap locals: int
StackMap stack:
getstatic java.lang.Shutdown.lock:Ljava/lang/Object;
dup
astore 2
monitorenter
10: iload 0
putstatic java.lang.Shutdown.currentRunningHook:I
11: getstatic java.lang.Shutdown.hooks:[Ljava/lang/Runnable;
iload 0
aaload
astore 1
start local 1 12: aload 2
monitorexit
13: goto 16
end local 1 StackMap locals: int top java.lang.Object
StackMap stack: java.lang.Throwable
14: aload 2
monitorexit
15: athrow
start local 1 16: StackMap locals: int java.lang.Runnable
StackMap stack:
aload 1
ifnull 22
aload 1
invokeinterface java.lang.Runnable.run:()V
end local 1 17: goto 22
StackMap locals: int
StackMap stack: java.lang.Throwable
18: astore 1
start local 1 19: aload 1
instanceof java.lang.ThreadDeath
ifeq 22
20: aload 1
checkcast java.lang.ThreadDeath
astore 2
start local 2 21: aload 2
athrow
end local 2 end local 1 22: StackMap locals:
StackMap stack:
iinc 0 1
StackMap locals:
StackMap stack:
23: iload 0
bipush 10
if_icmplt 9
end local 0 24: invokestatic jdk.internal.misc.VM.shutdown:()V
25: return
LocalVariableTable:
Start End Slot Name Signature
8 24 0 i I
12 14 1 hook Ljava/lang/Runnable;
16 17 1 hook Ljava/lang/Runnable;
19 22 1 t Ljava/lang/Throwable;
21 22 2 td Ljava/lang/ThreadDeath;
Exception table:
from to target type
1 2 5 any
3 4 5 any
5 6 5 any
10 13 14 any
14 15 14 any
9 17 18 Class java.lang.Throwable
static native void beforeHalt();
descriptor: ()V
flags: (0x0108) ACC_STATIC, ACC_NATIVE
static void halt(int);
descriptor: (I)V
flags: (0x0008) ACC_STATIC
Code:
stack=2, locals=2, args_size=1
start local 0 0: getstatic java.lang.Shutdown.haltLock:Ljava/lang/Object;
dup
astore 1
monitorenter
1: iload 0
invokestatic java.lang.Shutdown.halt0:(I)V
2: aload 1
monitorexit
3: goto 6
StackMap locals: int java.lang.Object
StackMap stack: java.lang.Throwable
4: aload 1
monitorexit
5: athrow
6: StackMap locals:
StackMap stack:
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 status I
Exception table:
from to target type
1 3 4 any
4 5 4 any
MethodParameters:
Name Flags
status
static native void halt0(int);
descriptor: (I)V
flags: (0x0108) ACC_STATIC, ACC_NATIVE
MethodParameters:
Name Flags
status
static void exit(int);
descriptor: (I)V
flags: (0x0008) ACC_STATIC
Code:
stack=2, locals=2, args_size=1
start local 0 0: getstatic java.lang.Shutdown.lock:Ljava/lang/Object;
dup
astore 1
monitorenter
1: iload 0
ifeq 3
invokestatic jdk.internal.misc.VM.isShutdown:()Z
ifeq 3
2: iload 0
invokestatic java.lang.Shutdown.halt:(I)V
3: StackMap locals: java.lang.Object
StackMap stack:
aload 1
monitorexit
4: goto 7
StackMap locals:
StackMap stack: java.lang.Throwable
5: aload 1
monitorexit
6: athrow
7: StackMap locals:
StackMap stack:
ldc Ljava/lang/Shutdown;
dup
astore 1
monitorenter
8: invokestatic java.lang.Shutdown.beforeHalt:()V
9: invokestatic java.lang.Shutdown.runHooks:()V
10: iload 0
invokestatic java.lang.Shutdown.halt:(I)V
11: aload 1
monitorexit
12: goto 15
StackMap locals: int java.lang.Class
StackMap stack: java.lang.Throwable
13: aload 1
monitorexit
14: athrow
15: StackMap locals:
StackMap stack:
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 16 0 status I
Exception table:
from to target type
1 4 5 any
5 6 5 any
8 12 13 any
13 14 13 any
MethodParameters:
Name Flags
status
static void shutdown();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=2, locals=1, args_size=0
0: ldc Ljava/lang/Shutdown;
dup
astore 0
monitorenter
1: invokestatic java.lang.Shutdown.runHooks:()V
2: aload 0
monitorexit
3: goto 6
StackMap locals: java.lang.Class
StackMap stack: java.lang.Throwable
4: aload 0
monitorexit
5: athrow
6: StackMap locals:
StackMap stack:
return
LocalVariableTable:
Start End Slot Name Signature
Exception table:
from to target type
1 3 4 any
4 5 4 any
}
SourceFile: "Shutdown.java"
NestMembers:
java.lang.Shutdown$Lock
InnerClasses:
private Lock = java.lang.Shutdown$Lock of java.lang.Shutdown