src: enable more detailed memory tracking

This will enable more detailed heap snapshots based on
a newer V8 API.

This commit itself is not tied to that API and could
be backported.

PR-URL: https://github.com/nodejs/node/pull/21742
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/src/node_worker.h b/src/node_worker.h
index d802b5cfef..bd737d4800 100644
--- a/src/node_worker.h
+++ b/src/node_worker.h
@@ -25,7 +25,14 @@ class Worker : public AsyncWrap {
   // Wait for the worker thread to stop (in a blocking manner).
   void JoinThread();
 
-  size_t self_size() const override;
+  void MemoryInfo(MemoryTracker* tracker) const override {
+    tracker->TrackThis(this);
+    tracker->TrackFieldWithSize("isolate_data", sizeof(IsolateData));
+    tracker->TrackFieldWithSize("env", sizeof(Environment));
+    tracker->TrackFieldWithSize("thread_exit_async", sizeof(uv_async_t));
+    tracker->TrackField("parent_port", parent_port_);
+  }
+
   bool is_stopped() const;
 
   static void New(const v8::FunctionCallbackInfo<v8::Value>& args);