#define evtimer_new(b, cb, arg)        event_new((b), -1, 0, (cb), (arg))

#include <cstdio>

#include <errno.h>

#include <sys/types.h>

#include <event.h>

#include <event2/event.h>

#include <event2/event_struct.h>

#include <event2/event-config.h>

#include <event2/util.h>

void do_timeout(evutil_socket_t fd, short event, void *arg)

{

    printf("do timeout (time: %ld)!\n", time(NULL));

}

void create_timeout_event(struct event_base *base)

{

    struct event *ev;

    struct timeval timeout;

　　
    //将事件和event_base绑定
    ev = event_new(base, -1, EV_PERSIST, do_timeout, NULL);

    if (ev) {

        timeout.tv_sec = 5;

        timeout.tv_usec = 0;

        event_add(ev, &timeout);

    }

}

int

main(int argc, char **argv)

{

    struct event_base *base;

    base = event_base_new();

    if (!base) {

        printf("Error: Create an event base error!\n");

        return -1;

    }

    create_timeout_event(base);

    event_base_dispatch(base);

    return (0);

}