Combine the load+store into a swap

MolotovCherry · Nov 8, 2024 · 75f4ed0 · 75f4ed0
1 parent 84ce831
commit 75f4ed0
Showing 1 changed file with 2 additions and 6 deletions.
diff --git a/crates/yabg3nml/src/server.rs b/crates/yabg3nml/src/server.rs
@@ -67,15 +67,11 @@ pub fn server() -> io::Result<Infallible> {
             return ControlFlow::Break(());
         }
 
-        // load current auth code
-        let passcode = AUTH.load(Ordering::Relaxed);
+        // load current auth code; also change auth code to always keep it randomized
+        let passcode = AUTH.swap(rand::random::<u64>(), Ordering::Relaxed);
 
         trace!(code, passcode, "verifying auth code");
 
-        // change auth code to always keep it randomized
-        let auth_code = rand::random::<u64>();
-        AUTH.store(auth_code, Ordering::Relaxed);
-
         if passcode == code {
             ControlFlow::Continue(())
         } else {