2422       ev_unref (EV_A); /* watcher should not keep loop alive */  in evpipe_init()
3238           ev_unref (EV_A); /* child watcher should not keep loop alive */  in ev_default_loop()
3719 ev_unref (EV_P) EV_THROW  in ev_unref()  function
3822   ev_unref (EV_A);  in ev_stop()
4068           ev_unref (EV_A); /* signalfd watcher should not keep loop alive */  in ev_signal_start()
4280   if (ev_is_active (&w->timer)) ev_unref (EV_A);  in infy_add()
4387       ev_unref (EV_A);  in infy_init()
4409       ev_unref (EV_A);  in infy_fork()
4431               if (ev_is_active (&w->timer)) ev_unref (EV_A);  in infy_fork()
4517       ev_unref (EV_A);  in ev_stat_start()
4834   ev_unref (EV_A);  in ev_cleanup_start()