positive return

gaboshlib/g_kill_all_background_jobs.sh

@@ -2,4 +2,5 @@ function g_kill_all_background_jobs {
   local g_pids
   readarray g_pids < <(jobs -p)
   [ -n "${g_pids[0]}" ] && kill -9 ${g_pids[*]} >/dev/null 2>&1
+  return 0
 }