Queries the stream information asynchronously.
When the operation is finished callback will be called. You can then call query_info_async.end
to get the result of the operation.
For the synchronous version of this function, see query_info.
If cancellable is not null, then the operation can be cancelled by triggering
the cancellable object from another thread. If the operation was cancelled, the error
g_io_error_cancelled will be set
| this | |
| attributes |
a file attribute query string. |
| io_priority |
the I/O priority of the request |
| cancellable |
optional Cancellable object, null to ignore. |
| callback |
callback to call when the request is satisfied |
| user_data |
the data to pass to callback function |