But this is specifically about Rust. What data races between processes, other than Disk/IO, databases, or external services, can a Rust program have? I explic

But this is specifically about Rust. What data races between processes, other than Disk/IO, databases, or external services, can a Rust program have? I explicitely exclude the whole category of external services, since that is "by design" really. And the whole reason for ACID, global mutexes, transactions and CRDTs.