Attach uvloop to a running libuv event loop

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I am interested in uvloop for the following use case:

- I have a C++ application running libuv, embedding a Python interpreter running in the main thread
- I would like to use asyncio in the Python interpreter so that it uses the libuv event loop at hand, and does not block the main application.

Does uvloop's provide means to **attach the Python wrapper to an existing libuv event loop**? If it is a simple addition, would you consider such a feature - or accept a contribution enabling this use case ? (pointers welcome on where to get started).

Start by reviewing uvloop's existing asyncio event-loop entry points and how the Python interpreter currently reaches libuv; the issue names no files or tests. Determine whether attaching to an externally running libuv loop is supported or what API design would be required, then document a concrete contribution path and completion criteria.

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