Is there part of the standard library for this?
I\'ve been digging around, but I can\'t see anything immediately obvious that implements it, or anything on Process
I recommend you look at the plibsys library. A trivial bindgen binding is available as a starting point for anyone who wants to write an idiomatic Rust binding.
If all you're after is simple, practical IPC in Rust, falling back to the C IPC mechanisms is currently the only real solution; plibsys is simply a convenient portable high level C API to do that with.