EPOLL_CTL_DEL 168 opal/mca/event/libevent2022/libevent/epoll.c op == EPOLL_CTL_DEL?"DEL": EPOLL_CTL_DEL 238 opal/mca/event/libevent2022/libevent/epoll.c op = EPOLL_CTL_DEL; EPOLL_CTL_DEL 297 opal/mca/event/libevent2022/libevent/epoll.c } else if (op == EPOLL_CTL_DEL &&