+/**
+ * Wait until each of the workers has been once around the track
+ */
+void
+vlib_worker_wait_one_loop (void)
+{
+ ASSERT (vlib_get_thread_index () == 0);
+
+ if (vec_len (vlib_mains) < 2)
+ return;
+
+ if (vlib_worker_thread_barrier_held ())
+ return;
+
+ u32 *counts = 0;
+ u32 ii;
+
+ vec_validate (counts, vec_len (vlib_mains) - 1);
+
+ /* record the current loop counts */
+ vec_foreach_index (ii, vlib_mains)
+ counts[ii] = vlib_mains[ii]->main_loop_count;
+
+ /* spin until each changes, apart from the main thread, or we'd be
+ * a while */
+ for (ii = 1; ii < vec_len (counts); ii++)
+ {
+ while (counts[ii] == vlib_mains[ii]->main_loop_count)
+ CLIB_PAUSE ();
+ }
+
+ vec_free (counts);
+ return;
+}
+