Give the persistent watcher-thread something to do

bin/varnishd/storage_persistent.c

@@ -309,8 +309,16 @@ smp_thread(struct sess *sp, void *priv)
 	BAN_Deref(&sc->tailban);
 	sc->tailban = NULL;
 	printf("Silo completely loaded\n");
-	while (1)
+	while (1) {
 		(void)sleep (1);
+		sg = VTAILQ_FIRST(&sc->segments);
+		if (sg != NULL && sg -> sc->cur_seg &&
+		    sg->nobj == 0) {
+			Lck_Lock(&sc->mtx);
+			smp_save_segs(sc);
+			Lck_Unlock(&sc->mtx);
+		}
+	}
 	NEEDLESS_RETURN(NULL);
 }
 

bin/varnishd/storage_persistent.h

@@ -185,6 +185,7 @@ void smp_load_seg(const struct sess *sp, const struct smp_sc *sc,
 void smp_new_seg(struct smp_sc *sc);
 void smp_close_seg(struct smp_sc *sc, struct smp_seg *sg);
 void smp_init_oc(struct objcore *oc, struct smp_seg *sg, unsigned objidx);
+void smp_save_segs(struct smp_sc *sc);
 
 /* storage_persistent_subr.c */
 

bin/varnishd/storage_persistent_silo.c

@@ -83,7 +83,7 @@ smp_save_seg(const struct smp_sc *sc, struct smp_signctx *ctx)
 	smp_sync_sign(ctx);
 }
 
-static void
+void
 smp_save_segs(struct smp_sc *sc)
 {
 	struct smp_seg *sg, *sg2;