test_multiple_cb 1676 opal/mca/event/libevent2022/libevent/test/regress.c    event_set(&e1, pair[0], EV_READ, test_multiple_cb, NULL);
test_multiple_cb 1678 opal/mca/event/libevent2022/libevent/test/regress.c    event_set(&e2, pair[0], EV_WRITE, test_multiple_cb, NULL);