It seems someone has started to port this at some point in the past. https://github.com/bponsler/ros_comm/blob/ros2-devel/utilities/message_filters/include/message_filters/sync_policies/approximate_time.h --- [Visit Topic](https://discourse.ros.org/t/syncronized-callbacks-in-ros2/2015/23) or reply to this email to respond. If you do not want to receive messages from ros-users please use the unsubscribe link below. If you use the one above, you will stop all of ros-users from receiving updates. ______________________________________________________________________________ ros-users mailing list ros-users@lists.ros.org http://lists.ros.org/mailman/listinfo/ros-users Unsubscribe: