data proc tracker: add pt_track_pending()

include/data_proc_tracker.h

@@ -33,12 +33,15 @@ int pt_track_tasks_pending(struct proc_tracker *pt);
 
 int pt_track_get_usage(struct proc_tracker *pt);
 
+
 int pt_track_level_critical(struct proc_tracker *pt);
 
 int pt_track_put(struct proc_tracker *pt, struct proc_task *t);
 
 int pt_track_put_force(struct proc_tracker *pt, struct proc_task *t);
 
+int pt_track_pending(struct proc_tracker *pt);
+
 struct proc_task *pt_track_get(struct proc_tracker *pt);
 
 void pt_track_sort_seq(struct proc_tracker *pt);

lib/data_proc_tracker.c

@@ -140,6 +140,25 @@ int pt_track_put_force(struct proc_tracker *pt, struct proc_task *t)
 }
 
 
+/**
+ * @brief check for pending item in processing tracker
+ *
+ * @param pt a struct processing_tracker
+ *
+ * @return 1 if pending, 0 otherwise
+ */
+
+int pt_track_pending(struct proc_tracker *pt)
+{
+	if (!pt)
+		return 0;
+
+	if (list_empty(&pt->tasks))
+		return 0;
+
+	return 1;
+}
+
 /**
  * @brief get the next item from processing tracker
  *