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sync: use UnsafeCell::get_mut in Mutex::get_mut and RwLock::get_mut #7569

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Merged
merged 1 commit into from
Sep 4, 2025
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sync: use UnsafeCell::get_mut in Mutex::get_mut and RwLock::get_mut #7569

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5 changes: 1 addition & 4 deletions tokio/src/sync/mutex.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -716,10 +716,7 @@ impl<T: ?Sized> Mutex<T> {
/// }
/// ```
pub fn get_mut(&mut self) -> &mut T {
unsafe {
// Safety: This is https://github.com/rust-lang/rust/pull/76936
&mut *self.c.get()
}
self.c.get_mut()
}

/// Attempts to acquire the lock, and returns [`TryLockError`] if the lock
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5 changes: 1 addition & 4 deletions tokio/src/sync/rwlock.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1073,10 +1073,7 @@ impl<T: ?Sized> RwLock<T> {
/// }
/// ```
pub fn get_mut(&mut self) -> &mut T {
unsafe {
// Safety: This is https://github.com/rust-lang/rust/pull/76936
&mut *self.c.get()
}
self.c.get_mut()
}

/// Consumes the lock, returning the underlying data.
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