The FAA/NASA have guidelines for getting space craft "human rated": https://www.huffpost.com/entry/what-are-the-safety-regulations-for-spacecraft_b_58c8577be4b

The FAA/NASA have guidelines for getting space craft "human rated": https://www.huffpost.com/entry/what-are-the-safety-regulations-for-spacecraft_b_58c8577be4b05675ee9c5b1d https://www.huffpost.com/entry/what-are-the-safety-regulatio... The software design aspects of these rules have probably evolved in conjunction with DO-178, the industry standard for designing safe computing systems for avionics.