Comment by huxingyi

Inspired by Protothreads, I implemented a similar framework 5 years ago, well, not exactly a framework, just several lines of macros, which could be used in general purpose not just embedded system (I am not sure if Protothreads can be used in general purpose). I used it in product environment with libuv, here is the github link: https://github.com/huxingyi/c-block