diff options
Diffstat (limited to 'library/std/src/sync/mpsc/cache_aligned.rs')
-rw-r--r-- | library/std/src/sync/mpsc/cache_aligned.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/library/std/src/sync/mpsc/cache_aligned.rs b/library/std/src/sync/mpsc/cache_aligned.rs new file mode 100644 index 000000000..9197f0d6e --- /dev/null +++ b/library/std/src/sync/mpsc/cache_aligned.rs @@ -0,0 +1,25 @@ +use crate::ops::{Deref, DerefMut}; + +#[derive(Copy, Clone, Default, PartialEq, Eq, PartialOrd, Ord, Hash)] +#[cfg_attr(target_arch = "aarch64", repr(align(128)))] +#[cfg_attr(not(target_arch = "aarch64"), repr(align(64)))] +pub(super) struct CacheAligned<T>(pub T); + +impl<T> Deref for CacheAligned<T> { + type Target = T; + fn deref(&self) -> &Self::Target { + &self.0 + } +} + +impl<T> DerefMut for CacheAligned<T> { + fn deref_mut(&mut self) -> &mut Self::Target { + &mut self.0 + } +} + +impl<T> CacheAligned<T> { + pub(super) fn new(t: T) -> Self { + CacheAligned(t) + } +} |