AtomicCell: Use fetch_{min,max}

crossbeam-rs · Dec 13, 2023 · cb896e8 · cb896e8
1 parent cf9d974
commit cb896e8
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/crossbeam-utils/src/atomic/atomic_cell.rs b/crossbeam-utils/src/atomic/atomic_cell.rs
@@ -733,8 +733,8 @@ macro_rules! impl_arithmetic {
                 atomic! {
                     $t, _a,
                     {
-                        // TODO: Atomic*::fetch_max requires Rust 1.45.
-                        self.fetch_update(|old| Some(cmp::max(old, val))).unwrap()
+                        let a = unsafe { &*(self.as_ptr() as *const atomic::$atomic) };
+                        a.fetch_max(val, Ordering::AcqRel)
                     },
                     {
                         let _guard = lock(self.as_ptr() as usize).write();
@@ -764,8 +764,8 @@ macro_rules! impl_arithmetic {
                 atomic! {
                     $t, _a,
                     {
-                        // TODO: Atomic*::fetch_min requires Rust 1.45.
-                        self.fetch_update(|old| Some(cmp::min(old, val))).unwrap()
+                        let a = unsafe { &*(self.as_ptr() as *const atomic::$atomic) };
+                        a.fetch_min(val, Ordering::AcqRel)
                     },
                     {
                         let _guard = lock(self.as_ptr() as usize).write();