NOTIFICATION_KEY 88 opal/mca/event/libevent2022/libevent/event_iocp.c if (key != NOTIFICATION_KEY && overlapped) NOTIFICATION_KEY 240 opal/mca/event/libevent2022/libevent/event_iocp.c r = PostQueuedCompletionStatus(port->port, 0, NOTIFICATION_KEY,