cancel_event 1573 opal/mca/event/libevent2022/libevent/test/regress_dns.c struct event cancel_event; cancel_event 1618 opal/mca/event/libevent2022/libevent/test/regress_dns.c event_del(&status->cancel_event); cancel_event 1636 opal/mca/event/libevent2022/libevent/test/regress_dns.c event_assign(&status->cancel_event, base, -1, 0, gaic_cancel_request_cb, cancel_event 1641 opal/mca/event/libevent2022/libevent/test/regress_dns.c event_add(&status->cancel_event, &tv);