clockid_t         104 src/event/modules/ngx_eventport_module.c int timer_create(clockid_t clock_id, struct sigevent *evp, timer_t *timerid);
clockid_t         106 src/event/modules/ngx_eventport_module.c int timer_create(clockid_t clock_id, struct sigevent *evp, timer_t *timerid)