*
* Drop a reference of a udev queue context. If the refcount reaches zero,
* the resources of the queue context will be released.
+ *
+ * Returns: the passed queue context if it has still an active reference, or #NULL otherwise.
**/
-_public_ void udev_queue_unref(struct udev_queue *udev_queue)
+_public_ struct udev_queue *udev_queue_unref(struct udev_queue *udev_queue)
{
if (udev_queue == NULL)
- return;
+ return NULL;
udev_queue->refcount--;
if (udev_queue->refcount > 0)
- return;
+ return udev_queue;
udev_list_cleanup(&udev_queue->queue_list);
free(udev_queue);
+ return NULL;
}
/**
return NULL;
if (udev_queue_read_seqnum(queue_file, seqnum_start) < 0) {
- err(udev_queue->udev, "corrupt queue file\n");
+ udev_err(udev_queue->udev, "corrupt queue file\n");
fclose(queue_file);
return NULL;
}
return udev_list_get_entry(&udev_queue->queue_list);
}
-
-struct udev_list_entry *udev_queue_get_failed_list_entry(struct udev_queue *udev_queue);
-_public_ struct udev_list_entry *udev_queue_get_failed_list_entry(struct udev_queue *udev_queue)
-{
- err(udev_queue->udev, "udev_queue_get_failed_list_entry() does not return anything; failed events are not recorded\n");
- errno = ENOSYS;
- return NULL;
-}