用libevent的定时器

 1 #include <iostream>
 2 using namespace std;
 3 
 4 #include <event.h>
 5 
 6 static char data[10] = "abc";
 7 struct event ev;
 8 struct timeval tv;
 9 void Fun(int fd, short n, void * a)
10 {
11     evtimer_del(&ev);    
12     evtimer_add(&ev, &tv);
13     cout << (char *)a << endl;
14 }
15 
16 int main()
17 {
18     event_init();
19     evtimer_set(&ev, Fun, data);
20     tv.tv_sec = 1;
21     tv.tv_usec = 0;
22     evtimer_add(&ev, &tv);
23     event_dispatch();
24     return 0;
25 }