* [#1335 Install signal handlers after context is initialized. (backport #1333)](https://github.com/ros2/rclpy/pull/1335) has been created for branch `humble`
* [#1336 Install signal handlers after context is initialized. (backport #1333)](https://github.com/ros2/rclpy/pull/1336) has been created for branch `iron`
Jazzy backport of https://github.com/ros2/rclpy/pull/1331, this should be able to backport to iron and humble.