abstract class java.util.concurrent.Semaphore$Sync extends java.util.concurrent.locks.AbstractQueuedSynchronizer
minor version: 0
major version: 59
flags: flags: (0x0420) ACC_SUPER, ACC_ABSTRACT
this_class: java.util.concurrent.Semaphore$Sync
super_class: java.util.concurrent.locks.AbstractQueuedSynchronizer
{
private static final long serialVersionUID;
descriptor: J
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 1192457210091910933
void <init>(int);
descriptor: (I)V
flags: (0x0000)
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
invokespecial java.util.concurrent.locks.AbstractQueuedSynchronizer.<init>:()V
1: aload 0
iload 1
invokevirtual java.util.concurrent.Semaphore$Sync.setState:(I)V
2: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Ljava/util/concurrent/Semaphore$Sync;
0 3 1 permits I
MethodParameters:
Name Flags
permits
final int getPermits();
descriptor: ()I
flags: (0x0010) ACC_FINAL
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
invokevirtual java.util.concurrent.Semaphore$Sync.getState:()I
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/util/concurrent/Semaphore$Sync;
final int nonfairTryAcquireShared(int);
descriptor: (I)I
flags: (0x0010) ACC_FINAL
Code:
stack=3, locals=4, args_size=2
start local 0 start local 1 0: StackMap locals:
StackMap stack:
aload 0
invokevirtual java.util.concurrent.Semaphore$Sync.getState:()I
istore 2
start local 2 1: iload 2
iload 1
isub
istore 3
start local 3 2: iload 3
iflt 4
3: aload 0
iload 2
iload 3
invokevirtual java.util.concurrent.Semaphore$Sync.compareAndSetState:(II)Z
ifeq 0
4: StackMap locals: int int
StackMap stack:
iload 3
ireturn
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/util/concurrent/Semaphore$Sync;
0 5 1 acquires I
1 5 2 available I
2 5 3 remaining I
MethodParameters:
Name Flags
acquires
protected final boolean tryReleaseShared(int);
descriptor: (I)Z
flags: (0x0014) ACC_PROTECTED, ACC_FINAL
Code:
stack=3, locals=4, args_size=2
start local 0 start local 1 0: StackMap locals:
StackMap stack:
aload 0
invokevirtual java.util.concurrent.Semaphore$Sync.getState:()I
istore 2
start local 2 1: iload 2
iload 1
iadd
istore 3
start local 3 2: iload 3
iload 2
if_icmpge 4
3: new java.lang.Error
dup
ldc "Maximum permit count exceeded"
invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
athrow
4: StackMap locals: int int
StackMap stack:
aload 0
iload 2
iload 3
invokevirtual java.util.concurrent.Semaphore$Sync.compareAndSetState:(II)Z
ifeq 0
5: iconst_1
ireturn
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Ljava/util/concurrent/Semaphore$Sync;
0 6 1 releases I
1 6 2 current I
2 6 3 next I
MethodParameters:
Name Flags
releases
final void reducePermits(int);
descriptor: (I)V
flags: (0x0010) ACC_FINAL
Code:
stack=3, locals=4, args_size=2
start local 0 start local 1 0: StackMap locals:
StackMap stack:
aload 0
invokevirtual java.util.concurrent.Semaphore$Sync.getState:()I
istore 2
start local 2 1: iload 2
iload 1
isub
istore 3
start local 3 2: iload 3
iload 2
if_icmple 4
3: new java.lang.Error
dup
ldc "Permit count underflow"
invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
athrow
4: StackMap locals: int int
StackMap stack:
aload 0
iload 2
iload 3
invokevirtual java.util.concurrent.Semaphore$Sync.compareAndSetState:(II)Z
ifeq 0
5: return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Ljava/util/concurrent/Semaphore$Sync;
0 6 1 reductions I
1 6 2 current I
2 6 3 next I
MethodParameters:
Name Flags
reductions
final int drainPermits();
descriptor: ()I
flags: (0x0010) ACC_FINAL
Code:
stack=3, locals=2, args_size=1
start local 0 0: StackMap locals:
StackMap stack:
aload 0
invokevirtual java.util.concurrent.Semaphore$Sync.getState:()I
istore 1
start local 1 1: iload 1
ifeq 2
aload 0
iload 1
iconst_0
invokevirtual java.util.concurrent.Semaphore$Sync.compareAndSetState:(II)Z
ifeq 0
2: StackMap locals: int
StackMap stack:
iload 1
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Ljava/util/concurrent/Semaphore$Sync;
1 3 1 current I
}
SourceFile: "Semaphore.java"
NestHost: java.util.concurrent.Semaphore
InnerClasses:
abstract Sync = java.util.concurrent.Semaphore$Sync of java.util.concurrent.Semaphore