Is receiving a call to a python actionlib server blocking?

asked 2017-05-08 18:21:46 -0500

I would like a Ros node to provide a service to execute an action that may take a long time. However, calls to a service are blocking, and I need a non-blocking solution. Some googling around suggested using actionlib, as calls to actionlib are not blocking. However, now I'm wondering if calls to actionlib are blocking for the node running the actionlib server? I'm using python.

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