And that is pretty much what Python does for you, the Python-level signal handlers are not C signal handlers. Python sets a C signal handler to set an interpret

And that is pretty much what Python does for you, the Python-level signal handlers are not C signal handlers. Python sets a C signal handler to set an interpreter variable then exit, then it calls the Python level signal handler on the main thread (and on the main thread only, which can be a concern in sone cases).