find_handles_async
Description:
Find the objects matching the passed attributes.
This call will return immediately and complete asynchronously.
If match is a floating reference, it is consumed.
Parameters:
| this |
the session to find objects on |
| match |
the attributes to match against the objects |
| cancellable |
optional cancellation object or null |
| callback |
called when the operation completes |
| user_data |
data to pass to the callback |