Locks or Semaphore type is needed

[BijanT]

Since we are doing parallel processing, we should probably create a struct that would handle mutual exclusion and whatnot.

Rust's atomic primitive types might be useful in the implementation of this.
https://doc.rust-lang.org/core/sync/atomic/index.html

[dkitzman]

This is going to be required for writing the peripherals in the drivers repo.