src: implement NodePlatform::PostJob

V8 is starting to use the job API for Wasm compilation, so the node
platform should implement that.

PR-URL: #35415
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>

src/node_platform.cc

@@ -513,6 +513,12 @@ bool NodePlatform::FlushForegroundTasks(Isolate* isolate) {
   return per_isolate->FlushForegroundTasksInternal();
 }
 
+std::unique_ptr<v8::JobHandle> NodePlatform::PostJob(v8::TaskPriority priority,
+                                       std::unique_ptr<v8::JobTask> job_task) {
+  return v8::platform::NewDefaultJobHandle(
+      this, priority, std::move(job_task), NumberOfWorkerThreads());
+}
+
 bool NodePlatform::IdleTasksEnabled(Isolate* isolate) {
   return ForIsolate(isolate)->IdleTasksEnabled();
 }

src/node_platform.h

@@ -154,6 +154,9 @@ class NodePlatform : public MultiIsolatePlatform {
   double CurrentClockTimeMillis() override;
   v8::TracingController* GetTracingController() override;
   bool FlushForegroundTasks(v8::Isolate* isolate) override;
+  std::unique_ptr<v8::JobHandle> PostJob(
+      v8::TaskPriority priority,
+      std::unique_ptr<v8::JobTask> job_task) override;
 
   void RegisterIsolate(v8::Isolate* isolate, uv_loop_t* loop) override;
   void RegisterIsolate(v8::Isolate* isolate,