try use not static atomicusize in loom test

tokio/Cargo.toml

@@ -74,6 +74,7 @@ rt = []
 rt-multi-thread = [
   "num_cpus",
   "rt",
+  "once_cell"
 ]
 signal = [
   "libc",
@@ -98,6 +99,7 @@ bytes = { version = "1.0.0", optional = true }
 mio = { version = "0.8.6", optional = true, default-features = false }
 num_cpus = { version = "1.8.0", optional = true }
 parking_lot = { version = "0.12.0", optional = true }
+once_cell = {version = "1.18.0", optional = true}
 
 [target.'cfg(not(target_family = "wasm"))'.dependencies]
 socket2 = { version = "0.5.3", optional = true, features = [ "all" ] }

tokio/src/runtime/task/id.rs

@@ -73,6 +73,7 @@ impl fmt::Display for Id {
 }
 
 impl Id {
+    #[cfg(not(loom))]
     pub(crate) fn next() -> Self {
         use crate::loom::sync::atomic::{Ordering::Relaxed, StaticAtomicU64};
 
@@ -81,6 +82,16 @@ impl Id {
         Self(NEXT_ID.fetch_add(1, Relaxed))
     }
 
+    #[cfg(loom)]
+    pub(crate) fn next() -> Self {
+        use crate::loom::sync::atomic::{AtomicU64, Ordering::Relaxed};
+        use once_cell::sync::Lazy;
+
+        static NEXT_ID: Lazy<AtomicU64> = Lazy::new(|| AtomicU64::new(1));
+
+        Self(NEXT_ID.fetch_add(1, Relaxed))
+    }
+
     pub(crate) fn as_u64(&self) -> u64 {
         self.0
     }