The last article about processes had a concrete implementation in mind, with this article there is no implementation in PilotOS (yet). Therefore I will write some theory about processes, their states and mutual exclusion. A process is a unit of execution or code, which can be executed....

PilotOS [1] aims to become a simple operating system for the Raspberry Pi. I use it mainly to learn the ins and outs of operating system development, starting with simple functionality all the way to operating system architecture. In no way is PilotOS meant to be a usable operating system of...