diff --git a/src/sync/spin_lock.rs b/src/sync/spin_lock.rs index 39dab78d..55343f11 100644 --- a/src/sync/spin_lock.rs +++ b/src/sync/spin_lock.rs @@ -31,7 +31,7 @@ use crossbeam_utils::Backoff; /// ``` #[derive(Debug)] pub struct Spinlock { - flag: AtomicBool, + locked: AtomicBool, value: UnsafeCell, } @@ -42,7 +42,7 @@ impl Spinlock { /// Returns a new spinlock initialized with `value`. pub const fn new(value: T) -> Spinlock { Spinlock { - flag: AtomicBool::new(false), + locked: AtomicBool::new(false), value: UnsafeCell::new(value), } } @@ -50,7 +50,7 @@ impl Spinlock { /// Locks the spinlock. pub fn lock(&self) -> SpinlockGuard<'_, T> { let backoff = Backoff::new(); - while self.flag.swap(true, Ordering::Acquire) { + while self.locked.compare_and_swap(false, true, Ordering::Acquire) { backoff.snooze(); } SpinlockGuard { parent: self } @@ -58,7 +58,7 @@ impl Spinlock { /// Attempts to lock the spinlock. pub fn try_lock(&self) -> Option> { - if self.flag.swap(true, Ordering::Acquire) { + if self.locked.swap(true, Ordering::Acquire) { None } else { Some(SpinlockGuard { parent: self }) @@ -77,7 +77,7 @@ unsafe impl Sync for SpinlockGuard<'_, T> {} impl<'a, T> Drop for SpinlockGuard<'a, T> { fn drop(&mut self) { - self.parent.flag.store(false, Ordering::Release); + self.parent.locked.store(false, Ordering::Release); } }