def __init__(self):
        vstruct.VStruct.__init__(self)
        self.Reserved1 = v_uint64()
        self.Reserved2 = v_uint32()
        self.Prev = v_ptr32()
        self.Reserved3 = v_ptr32()
        self.Thread = v_ptr32()
        self.Reserved4 = v_ptr32()
        self.Level = v_uint8()
        self._pad0020 = v_bytes(size=3)