Function ff_sys_epoll_wait

adapter/syscall/ff_socket_ops.c:298–336

}

static int
ff_sys_epoll_wait(struct ff_epoll_wait_args *args)
{
    int ret;

    DEBUG_LOG("to run ff_epoll_wait, epfd:%d, maxevents:%d, timeout:%d\n",
        args->epfd, args->maxevents, args->timeout);
    ret = ff_epoll_wait(args->epfd, args->events,
        args->maxevents, args->timeout);

#ifdef FF_PRELOAD_POLLING_MODE
    /*
     * If an event is generated or error occurs, user app epoll_wait return imme.
     */
    if (ret != 0) {
        sem_flag = 1;
    } else {
        if (args->timeout < 0) {
            /* -1 : Block user app until an event or error occurs. */
            sem_flag = 0;
        } else {
            sem_flag = 1;
        }
    }
#else
    /*
     * If timeout is 0, and no event triggered,
     * no post sem, and next loop will continue to call ff_sys_epoll_wait,
     * until some event triggered
     */
    if (args->timeout == 0 && ret == 0 && args->maxevents != 0) {
        sem_flag = 0;
    } else {
        sem_flag = 1;
    }
#endif

    return ret;
}

static int
ff_sys_kqueue(struct ff_kqueue_args *args)