We touched on hazard pointers as a method for safe memory reclamation in the previous chapter. We'll now examine the concept in-depth and in the context of a more or less ready-to-use implementation via the Redox project (https://crates.io/crates/conc). We'll be inspecting conc as a part of its parent project, tfs (https://github.com/redox-os/tfs), at SHA 3e7dcdb0c586d0d8bb3f25bfd948d2f418a4ab10. Incidentally, if you're unfamiliar with this, Redox is a Rust microkernel-based operating system. The allocator, coreutils, and netutils are all encouraged reading.
The conc crate is not listed in its entirety. You can find the full listing in this book's source repository.
Hazard pointers were introduced by Maged Michael—of Michael ...
