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datdenkikniet · datdenkikniet · commit e9e81fb95160 · 2025-03-13T22:13:56.000+01:00
diff --git a/rtic-sync/src/channel.rs b/rtic-sync/src/channel.rs
@@ -363,7 +363,8 @@ impl<T, const N: usize> Sender<'_, T, N> {
                 }
 
                 // SAFETY: `free_slot_ptr` is valid for writes, as `free_slot_ptr` is still alive.
-                let slot = unsafe { free_slot_ptr.replace(None, cs) };
+                let slot = unsafe { free_slot_ptr.replace(None, cs) }
+                    .or_else(|| self.0.access(cs).freeq.pop_back());
 
                 if let Some(slot) = slot {
                     Poll::Ready(Ok(slot))

Original file line number	Diff line number	Diff line change
`@@ -363,7 +363,8 @@ impl<T, const N: usize> Sender<'_, T, N> {`
`363`	`363`	`}`
`364`	`364`
`365`	`365`	// SAFETY: `free_slot_ptr` is valid for writes, as `free_slot_ptr` is still alive.
`366`		`- let slot = unsafe { free_slot_ptr.replace(None, cs) };`
	`366`	`+ let slot = unsafe { free_slot_ptr.replace(None, cs) }`
	`367`	`+ .or_else(\|\| self.0.access(cs).freeq.pop_back());`
`367`	`368`
`368`	`369`	`if let Some(slot) = slot {`
`369`	`370`	`Poll::Ready(Ok(slot))`