La lógica de liberar el bloqueo InterProcessMutex.release

public void release() throws Exception{ 
	Thread currentThread = Thread.currentThread(); 
	LockData lockData = threadData.get(currentThread); 
	if ( lockData == null ){ 
		// 无法从映射表中获取锁信息，不持有锁 
		throw new IllegalMonitorStateException("You do not own the lock: " + basePath); 
	} 
	int newLockCount = lockData.lockCount.decrementAndGet(); 
	if ( newLockCount > 0 ){ 
		// 锁是可重入的，初始值为1，原子-1到0，锁才释放  
		return; 
	} 

	if ( newLockCount < 0 ){ 
		// 理论上无法执行该路径 
		throw new IllegalMonitorStateException("Lock count has gone negative for lock: " + basePath); 
	} 

	try{ 
		// lockData != null && newLockCount == 0，释放锁资源 
		internals.releaseLock(lockData.lockPath); 
	} finally { 
		// 最后从映射表中移除当前线程的锁信息 
		threadData.remove(currentThread); 
	} 
}