Update

EricLBuehler · Oct 22, 2023 · 09522c9 · 09522c9
1 parent ed6396c
commit 09522c9
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/src/lib.rs b/src/lib.rs
@@ -2052,6 +2052,16 @@ impl<T: ?Sized> Weak<T> {
  /// ```
  #[inline]
  pub fn upgrade(&self) -> Option<Trc<T>> {
+ #[cfg(immortals)]
+ if value.load(core::sync::atomic::Ordering::Acquire) == usize::MAX {
+ //SAFETY: The data is guaranteed to not be dropped.
+ let tbx = Box::new(1);
+ Trc {
+ threadref: NonNull::from(Box::leak(tbx)),
+ shared: self.data,
+ }
+ }
+
  unsafe { self.data.as_ref() }
  .atomicref
  .fetch_update(