PX4/Firmware — pull request #1327 by LorenzMeier (2014-08-27 06:01:37+00:00)
Title: Termination failsafe

@thomasgubler This allows to make the failsafe (in both paths, force fail and IO's own failsafe detection) one-way - it can't be disabled once this flag is set once.

Compiles, not runtime tested.