src: re-delete Atomics.wake

PR-URL: https://github.com/nodejs/node/pull/29586
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>

lib/internal/bootstrap/node.js

@@ -15,8 +15,6 @@
 // many dependencies are invoked lazily.
 //
 // Scripts run before this file:
-// - `lib/internal/per_context/setup.js`: to setup the v8::Context with
-//   Node.js-specific tweaks - this is also done in vm contexts.
 // - `lib/internal/per_context/primordials.js`: to save copies of JavaScript
 //   builtins that won't be affected by user land monkey-patching for internal
 //   modules to use.

lib/internal/per_context/setup.js

@@ -1,15 +0,0 @@
-// This file is compiled as if it's wrapped in a function with arguments
-// passed by node::NewContext()
-/* global global */
-
-'use strict';
-
-// https://github.com/nodejs/node/issues/14909
-if (global.Intl) {
-  delete global.Intl.v8BreakIterator;
-}
-
-// https://github.com/nodejs/node/issues/21219
-if (global.Atomics) {
-  delete global.Atomics.wake;
-}

node.gyp

@@ -30,7 +30,6 @@
       'lib/internal/bootstrap/node.js',
       'lib/internal/bootstrap/pre_execution.js',
       'lib/internal/per_context/primordials.js',
-      'lib/internal/per_context/setup.js',
       'lib/internal/per_context/domexception.js',
       'lib/async_hooks.js',
       'lib/assert.js',

src/api/environment.cc

@@ -357,9 +357,42 @@ Local<Context> NewContext(Isolate* isolate,
   if (!InitializeContext(context)) {
     return Local<Context>();
   }
+
+  InitializeContextRuntime(context);
+
   return context;
 }
 
+// This runs at runtime, regardless of whether the context
+// is created from a snapshot.
+void InitializeContextRuntime(Local<Context> context) {
+  Isolate* isolate = context->GetIsolate();
+  HandleScope handle_scope(isolate);
+
+  // Delete `Intl.v8BreakIterator`
+  // https://github.com/nodejs/node/issues/14909
+  Local<String> intl_string = FIXED_ONE_BYTE_STRING(isolate, "Intl");
+  Local<String> break_iter_string =
+    FIXED_ONE_BYTE_STRING(isolate, "v8BreakIterator");
+  Local<Value> intl_v;
+  if (context->Global()->Get(context, intl_string).ToLocal(&intl_v) &&
+      intl_v->IsObject()) {
+    Local<Object> intl = intl_v.As<Object>();
+    intl->Delete(context, break_iter_string).FromJust();
+  }
+
+  // Delete `Atomics.wake`
+  // https://github.com/nodejs/node/issues/21219
+  Local<String> atomics_string = FIXED_ONE_BYTE_STRING(isolate, "Atomics");
+  Local<String> wake_string = FIXED_ONE_BYTE_STRING(isolate, "wake");
+  Local<Value> atomics_v;
+  if (context->Global()->Get(context, atomics_string).ToLocal(&atomics_v) &&
+      atomics_v->IsObject()) {
+    Local<Object> atomics = atomics_v.As<Object>();
+    atomics->Delete(context, wake_string).FromJust();
+  }
+}
+
 bool InitializeContext(Local<Context> context) {
   Isolate* isolate = context->GetIsolate();
   HandleScope handle_scope(isolate);
@@ -386,7 +419,6 @@ bool InitializeContext(Local<Context> context) {
     }
 
     static const char* context_files[] = {"internal/per_context/primordials",
-                                          "internal/per_context/setup",
                                           "internal/per_context/domexception",
                                           nullptr};
 

src/node_internals.h

@@ -99,6 +99,8 @@ void SignalExit(int signal, siginfo_t* info, void* ucontext);
 std::string GetHumanReadableProcessName();
 void GetHumanReadableProcessName(char (*name)[1024]);
 
+void InitializeContextRuntime(v8::Local<v8::Context>);
+
 namespace task_queue {
 void PromiseRejectCallback(v8::PromiseRejectMessage message);
 }  // namespace task_queue

src/node_main_instance.cc

@@ -179,6 +179,7 @@ std::unique_ptr<Environment> NodeMainInstance::CreateMainEnvironment(
   if (deserialize_mode_) {
     context =
         Context::FromSnapshot(isolate_, kNodeContextIndex).ToLocalChecked();
+    InitializeContextRuntime(context);
     SetIsolateUpForNode(isolate_, IsolateSettingCategories::kErrorHandlers);
   } else {
     context = NewContext(isolate_);

test/parallel/test-atomics-wake.js

@@ -0,0 +1,7 @@
+'use strict';
+
+require('../common');
+const assert = require('assert');
+
+// https://github.com/nodejs/node/issues/21219
+assert.strictEqual(Atomics.wake, undefined);