add a clarifying comment

ros2 · Mar 20, 2015 · 30d7eb2 · 30d7eb2
1 parent fd20833
commit 30d7eb2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/rclcpp/include/rclcpp/executors/multi_threaded_executor.hpp b/rclcpp/include/rclcpp/executors/multi_threaded_executor.hpp
@@ -58,7 +58,7 @@ class MultiThreadedExecutor : public executor::Executor
     std::vector<std::thread> threads;
     {
       std::lock_guard<std::mutex> wait_lock(wait_mutex_);
-      size_t thread_id_ = 1;
+      size_t thread_id_ = 1;  // Use a _ suffix to avoid shadowing `rclcpp::thread_id`
       for (size_t i = number_of_threads_; i > 0; --i)
       {
         std::this_thread::sleep_for(std::chrono::milliseconds(100));