Gets the result of task as an integer (gssize).
If the task resulted in an error, or was cancelled, then this will
instead return -1 and set error.
Since this method transfers ownership of the return value (or
error) to the caller, you may only call it once.
Since 2.36
Gets the result of task as an integer (gssize). If the task resulted in an error, or was cancelled, then this will instead return -1 and set error. Since this method transfers ownership of the return value (or error) to the caller, you may only call it once. Since 2.36