if (!mode.canRead() && mode.canWrite()) { try { file.setLength(0); } catch (IOException e) {} }
	public FileHandleImpl(FSFile file, VMOpenMode mode, FileHandleManager fhm) {		this.mode = mode;		this.file = file;		this.readOnly = (mode == VMOpenMode.READ);		this.fhm = fhm;		this.closed = false;	}