event_thread
if (pthread_create(&tid, NULL, event_thread, NULL) != 0) {
if ((softs->event_thread = thread_create(NULL, 0, aac_event_thread,
kthread_t *event_thread; /* for AIF & timeout */
sp->event_thread = CREATE_SOCKET_EVENT_THREAD(cs_event_thread,
kthread_t *event_thread; /* per-socket work thread */