See commit_source_sync for details.
When the operation is finished, callback will be called. You can then call commit_source.end to
get the result of the operation.
| this | |
| source |
an Source with changes to commit |
| cancellable |
optional Cancellable object, or |
| callback |
a TaskReadyCallback to call when the request is satisfied |
| user_data |
data to pass to the callback function |