Rewrite atomics section

book.toml

@@ -31,5 +31,8 @@ git-repository-url = "https://github.com/rust-lang/nomicon"
 "./arc-layout.html" = "./arc-mutex/arc-layout.html"
 "./arc.html" = "./arc-mutex/arc.html"
 
+# Atomics chapter
+"./atomics.html" = "./atomics/atomics.html"
+
 [rust]
 edition = "2021"

src/SUMMARY.md

@@ -41,7 +41,12 @@
 * [Concurrency](concurrency.md)
   * [Races](races.md)
   * [Send and Sync](send-and-sync.md)
-  * [Atomics](atomics.md)
+  * [Atomics](./atomics/atomics.md)
+	* [Multithreaded Execution](./atomics/multithread.md)
+	* [Relaxed](./atomics/relaxed.md)
+	* [Acquire and Release](./atomics/acquire-release.md)
+	* [SeqCst](./atomics/seqcst.md)
+	* [Fences](./atomics/fences.md)
 * [Implementing Vec](./vec/vec.md)
   * [Layout](./vec/vec-layout.md)
   * [Allocating](./vec/vec-alloc.md)

src/arc-mutex/arc-clone.md

@@ -28,7 +28,7 @@ happens-before relationship but is atomic. When `Drop`ping the Arc, however,
 we'll need to atomically synchronize when decrementing the reference count. This
 is described more in [the section on the `Drop` implementation for
 `Arc`](arc-drop.md). For more information on atomic relationships and Relaxed
-ordering, see [the section on atomics](../atomics.md).
+ordering, see [the section on atomics](../atomics/atomics.md).
 
 Thus, the code becomes this: