Use stronger hold ordering

agerasev · Feb 3, 2024 · 8aa4688 · 8aa4688
1 parent df4a9ea
commit 8aa4688
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/src/rb/shared.rs b/src/rb/shared.rs
@@ -108,11 +108,11 @@ impl<S: Storage + ?Sized> Observer for SharedRb<S> {
 
  #[inline]
  fn read_is_held(&self) -> bool {
- self.read_held.load(Ordering::Relaxed)
+ self.read_held.load(Ordering::Acquire)
  }
  #[inline]
  fn write_is_held(&self) -> bool {
- self.write_held.load(Ordering::Relaxed)
+ self.write_held.load(Ordering::Acquire)
  }
 }
 
@@ -133,11 +133,11 @@ impl<S: Storage + ?Sized> Consumer for SharedRb<S> {
 impl<S: Storage + ?Sized> RingBuffer for SharedRb<S> {
  #[inline]
  unsafe fn hold_read(&self, flag: bool) -> bool {
- self.read_held.swap(flag, Ordering::Relaxed)
+ self.read_held.swap(flag, Ordering::AcqRel)
  }
  #[inline]
  unsafe fn hold_write(&self, flag: bool) -> bool {
- self.write_held.swap(flag, Ordering::Relaxed)
+ self.write_held.swap(flag, Ordering::AcqRel)
  }
 }