+enum event_state {
+ EVENT_QUEUED,
+ EVENT_FINISHED,
+ EVENT_FAILED,
+};
+
+static void export_event_state(struct udevd_uevent_msg *msg, enum event_state state)
+{
+ char filename[PATH_SIZE];
+ char filename_failed[PATH_SIZE];
+ size_t start;
+ struct udevd_uevent_msg *loop_msg;
+ int fd;
+
+ /* add location of queue files */
+ strlcpy(filename, udev_root, sizeof(filename));
+ strlcat(filename, "/", sizeof(filename));
+ start = strlcat(filename, EVENT_QUEUE_DIR"/", sizeof(filename));
+ strlcat(filename, msg->devpath, sizeof(filename));
+ path_encode(&filename[start], sizeof(filename) - start);
+
+ /* add location of failed files */
+ strlcpy(filename_failed, udev_root, sizeof(filename_failed));
+ strlcat(filename_failed, "/", sizeof(filename_failed));
+ start = strlcat(filename_failed, EVENT_FAILED_DIR"/", sizeof(filename_failed));
+ strlcat(filename_failed, msg->devpath, sizeof(filename_failed));
+ path_encode(&filename_failed[start], sizeof(filename) - start);
+
+ switch (state) {
+ case EVENT_QUEUED:
+ unlink(filename_failed);
+ delete_path(filename_failed);
+ create_path(filename);
+ fd = open(filename, O_WRONLY|O_TRUNC|O_CREAT, 0644);
+ if (fd > 0)
+ close(fd);
+ return;
+ case EVENT_FINISHED:
+ case EVENT_FAILED:
+ unlink(filename_failed);
+ delete_path(filename_failed);
+
+ /* don't remove, if events for the same path are still pending */
+ list_for_each_entry(loop_msg, &running_list, node)
+ if (loop_msg->devpath && strcmp(loop_msg->devpath, msg->devpath) == 0)
+ return;
+
+ list_for_each_entry(loop_msg, &exec_list, node)
+ if (loop_msg->devpath && strcmp(loop_msg->devpath, msg->devpath) == 0)
+ return;
+
+ /* move failed events to the failed directory */
+ if (state == EVENT_FAILED) {
+ create_path(filename_failed);
+ rename(filename, filename_failed);
+ } else {
+ unlink(filename);
+ }
+
+ /* clean up the queue directory */
+ delete_path(filename);
+
+ return;
+ }