POSIX doesn't say anything about ptrace. And yeah, ptrace is somewhat horrible, but there's no reason you couldn't implement something better in existing syste

POSIX doesn't say anything about ptrace. And yeah, ptrace is somewhat horrible, but there's no reason you couldn't implement something better in existing systems; it's just that the amount of work necessary is so huge it's probably not worth it, but the same amount of work would be needed to write it from scratch.