linux.py 文件源码

def _ioc_type_size(size):
    if isinstance(size, type) and issubclass(size, ctypes._SimpleCData):
        return ctypes.sizeof(size)
    elif isinstance(size, int):
        return size
    else:
        raise TypeError('Invalid type for size: {size_type}'.format(size_type=size.__class__.__name__))