From 11ac92d6fc265dd71febdc4a5571aee291163d00 Mon Sep 17 00:00:00 2001
From: Renegade334 <contact.9a5d6388@renegade334.me.uk>
Date: Wed, 4 Jun 2025 19:50:35 +0100
Subject: [PATCH 1/2] typings: add Atomics primordials

---
 typings/primordials.d.ts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/typings/primordials.d.ts b/typings/primordials.d.ts
index d340225f554eac..13fed5b39eb395 100644
--- a/typings/primordials.d.ts
+++ b/typings/primordials.d.ts
@@ -46,6 +46,19 @@ declare namespace primordials {
   export import decodeURIComponent = globalThis.decodeURIComponent;
   export import encodeURI = globalThis.encodeURI;
   export import encodeURIComponent = globalThis.encodeURIComponent;
+  export const AtomicsAdd: typeof Atomics.add
+  export const AtomicsAnd: typeof Atomics.and
+  export const AtomicsCompareExchange: typeof Atomics.compareExchange
+  export const AtomicsExchange: typeof Atomics.exchange
+  export const AtomicsIsLockFree: typeof Atomics.isLockFree
+  export const AtomicsLoad: typeof Atomics.load
+  export const AtomicsNotify: typeof Atomics.notify
+  export const AtomicsOr: typeof Atomics.or
+  export const AtomicsStore: typeof Atomics.store
+  export const AtomicsSub: typeof Atomics.sub
+  export const AtomicsWait: typeof Atomics.wait
+  export const AtomicsWaitAsync: typeof Atomics.waitAsync
+  export const AtomicsXor: typeof Atomics.xor
   export const JSONParse: typeof JSON.parse
   export const JSONStringify: typeof JSON.stringify
   export const MathAbs: typeof Math.abs

From 34347ff5ead925d13e298027d67898a02322e199 Mon Sep 17 00:00:00 2001
From: Renegade334 <contact.9a5d6388@renegade334.me.uk>
Date: Wed, 4 Jun 2025 19:53:53 +0100
Subject: [PATCH 2/2] lib: prefer Atomics primordials

---
 lib/internal/test_runner/mock/loader.js | 8 ++------
 lib/internal/test_runner/mock/mock.js   | 6 ++----
 2 files changed, 4 insertions(+), 10 deletions(-)

diff --git a/lib/internal/test_runner/mock/loader.js b/lib/internal/test_runner/mock/loader.js
index 6739bded60ff44..ddde5599df509a 100644
--- a/lib/internal/test_runner/mock/loader.js
+++ b/lib/internal/test_runner/mock/loader.js
@@ -1,13 +1,9 @@
 'use strict';
 const {
+  AtomicsNotify,
+  AtomicsStore,
   JSONStringify,
   SafeMap,
-  globalThis: {
-    Atomics: {
-      notify: AtomicsNotify,
-      store: AtomicsStore,
-    },
-  },
 } = primordials;
 const {
   kBadExportsMessage,
diff --git a/lib/internal/test_runner/mock/mock.js b/lib/internal/test_runner/mock/mock.js
index 178da37efc16c8..19acb67f8873c4 100644
--- a/lib/internal/test_runner/mock/mock.js
+++ b/lib/internal/test_runner/mock/mock.js
@@ -2,6 +2,8 @@
 const {
   ArrayPrototypePush,
   ArrayPrototypeSlice,
+  AtomicsStore,
+  AtomicsWait,
   Error,
   FunctionPrototypeBind,
   FunctionPrototypeCall,
@@ -18,10 +20,6 @@ const {
   StringPrototypeSlice,
   StringPrototypeStartsWith,
   globalThis: {
-    Atomics: {
-      store: AtomicsStore,
-      wait: AtomicsWait,
-    },
     SharedArrayBuffer,
   },
 } = primordials;