Setup an enumerator for listing matching objects on the modules.
This call will not block but will return an enumerator immediately.
If the attrs [structAttributes] is floating, it is consumed.
| modules |
The modules |
| attrs |
attributes that the objects must have, or empty for all objects |
| session_options |
Options from GckSessionOptions |
|
A new enumerator, which should be released with unref. |