How do you implement Coroutines in C++

Question

I doubt it can be done portably, but are there any solutions out there? I think it could be done by creating an alternate stack and reseting SP,BP, and IP on function entry

Answer 1

Check out my implementation, it illustrates the asm hacking point and is simple:

https://github.com/user1095108/generic/blob/master/coroutine.hpp