I am not sure why they are writing their own library We aren't, our code is based on a slightly modified version of libcoroutine. We've just added a few bells

I am not sure why they are writing their own library We aren't, our code is based on a slightly modified version of libcoroutine. We've just added a few bells and whistles here and there to do a little bit more than what the library offers out of the box. I don't think they are doing a ton of socket IO, so perhaps that is where their need to reinvent comes from. Our real-world load can easily change between between disk bound, network bound, and CPU bound, so we need to support both IO bound and CPU bound workloads really well.