Skip to content

core: unstably expose atomic_compare_exchange so stdarch can use it #141687

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
May 29, 2025
Merged

core: unstably expose atomic_compare_exchange so stdarch can use it #141687

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 4 additions & 1 deletion library/core/src/sync/atomic.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3885,10 +3885,13 @@ unsafe fn atomic_sub<T: Copy>(dst: *mut T, val: T, order: Ordering) -> T {
}
}

/// Publicly exposed for stdarch; nobody else should use this.
#[inline]
#[cfg(target_has_atomic)]
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
unsafe fn atomic_compare_exchange<T: Copy>(
#[unstable(feature = "core_intrinsics", issue = "none")]
#[doc(hidden)]
pub unsafe fn atomic_compare_exchange<T: Copy>(
dst: *mut T,
old: T,
new: T,
Expand Down
Loading