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| author | Dylan DPC <99973273+Dylan-DPC@users.noreply.github.com> | 2022-03-31 17:29:53 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-03-31 17:29:53 +0200 |
| commit | eb0e8c3418fd4f89743b5b12c84e4f683748ea1a (patch) | |
| tree | 191d487acfbe22ef9e94548bb16e6abbcabf3905 | |
| parent | 521c590c9f780227f3f6284cbecb727f121a9cb4 (diff) | |
| parent | 182d4b32d506bb061f30069fcb38090c11f08775 (diff) | |
| download | rust-eb0e8c3418fd4f89743b5b12c84e4f683748ea1a.tar.gz rust-eb0e8c3418fd4f89743b5b12c84e4f683748ea1a.zip | |
Rollup merge of #95384 - ehuss:doc-target_has_atomic-stabilized, r=Dylan-DPC
Update target_has_atomic documentation for stabilization `cfg(target_has_atomic)` was stabilized in #93824, but this small note in the docs was not updated at the time.
| -rw-r--r-- | library/core/src/sync/atomic.rs | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/library/core/src/sync/atomic.rs b/library/core/src/sync/atomic.rs index a9edec80540..c11a35ab947 100644 --- a/library/core/src/sync/atomic.rs +++ b/library/core/src/sync/atomic.rs @@ -65,9 +65,10 @@ //! For reference, the `std` library requires `AtomicBool`s and pointer-sized atomics, although //! `core` does not. //! -//! Currently you'll need to use `#[cfg(target_arch)]` primarily to -//! conditionally compile in code with atomics. There is an unstable -//! `#[cfg(target_has_atomic)]` as well which may be stabilized in the future. +//! The `#[cfg(target_has_atomic)]` attribute can be used to conditionally +//! compile based on the target's supported bit widths. It is a key-value +//! option set for each supported size, with values "8", "16", "32", "64", +//! "128", and "ptr" for pointer-sized atomics. //! //! [lock-free]: https://en.wikipedia.org/wiki/Non-blocking_algorithm //! |