1 files changed, 12 insertions, 0 deletions
diff --git a/vendor/tokio/src/macros/loom.rs b/vendor/tokio/src/macros/loom.rs
new file mode 100644
index 000000000..d57d9fb0f
--- /dev/null
+++ b/vendor/tokio/src/macros/loom.rs
@@ -0,0 +1,12 @@
+macro_rules! if_loom {
+    ($($t:tt)*) => {{
+        #[cfg(loom)]
+        const LOOM: bool = true;
+        #[cfg(not(loom))]
+        const LOOM: bool = false;
+
+        if LOOM {
+            $($t)*
+        }
+    }}
+}