issue on waitpid

[jean-christophe81]

boost version 1.88

I use process v2 on linux
My io_context is run by 4 threads

I have a child process running and I have started an async_wait.
I kill child process, then inside terminate, waitpid is called
On async_wait completion, waitpid is also called and waitpid returns ECHILD what go to this error: "No child processes"

[klemens-morgenstern]

Can you check if the ECHILD check solves the issue?