combined_write_cb 562 opal/mca/event/libevent2022/libevent/test/regress.c event_set(&w1.ev, pair[0], EV_WRITE, combined_write_cb, &w1); combined_write_cb 564 opal/mca/event/libevent2022/libevent/test/regress.c event_set(&w2.ev, pair[1], EV_WRITE, combined_write_cb, &w2);