Iron: Fix data race on parameter event #124
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We need this because it is possible for one thread to be handling the on_parameter_event callback while another one is detaching the node. This lock will protect that from happening. Signed-off-by: Chris Lalancette <clalancette@gmail.com>
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mauropasse
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alsora
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Oct 16, 2023
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The callback 'on_parameter_event' was internally accessing node_base_, which could be already destroyed.
Cherry pick ros2#2320