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-rw-r--r--library/std/src/sync/mpsc/cache_aligned.rs27
1 files changed, 27 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 00000000000..b0842144328
--- /dev/null
+++ b/library/std/src/sync/mpsc/cache_aligned.rs
@@ -0,0 +1,27 @@
+use crate::ops::{Deref, DerefMut};
+
+#[derive(Copy, Clone, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[repr(align(64))]
+pub(super) struct Aligner;
+
+#[derive(Copy, Clone, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
+pub(super) struct CacheAligned<T>(pub T, pub Aligner);
+
+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, Aligner)
+    }
+}