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Code Issues Releases Wiki Activity

Add safety note on `take`

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Nur 2026-02-01 19:35:03 +06:00
parent 08c16c4597
commit a63e2de11c
1 changed files with 2 additions and 0 deletions
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2
local-waker/src/lib.rs
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@ -75,6 +75,8 @@ impl LocalWaker {
/// If a waker has not been registered, this returns `None`. /// If a waker has not been registered, this returns `None`.
#[inline] #[inline]
pub fn take(&self) -> Option<Waker> { pub fn take(&self) -> Option<Waker> {
// SAFETY: This can cause data races if called from a separate thread,
// but `LocalWaker` is `!Send` + `!Sync` so this won't happen.
unsafe { (*self.waker.get()).take() } unsafe { (*self.waker.get()).take() }
} }
} }