timer_create      104 src/event/modules/ngx_eventport_module.c int timer_create(clockid_t clock_id, struct sigevent *evp, timer_t *timerid);
timer_create      255 src/event/modules/ngx_eventport_module.c         if (timer_create(CLOCK_REALTIME, &sev, &event_timer) == -1) {