1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
/*
* Compile with:
* cc -I/usr/local/include -o time-test time-test.c -L/usr/local/lib -levent
*/
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/stat.h>
#ifndef WIN32
#ifdef HAVE_SYS_QUEUE_H
#include <sys/queue.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#else
#include <time.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <opal/event/event.h>
int lasttime;
void
timeout_cb(int fd, short event, void *arg)
{
struct timeval tv;
opal_event_t *timeout = arg;
int newtime = time(NULL);
printf("%s: called at %d: %d\n", __func__, newtime,
newtime - lasttime);
lasttime = newtime;
timerclear(&tv);
tv.tv_sec = 2;
opal_event_add(timeout, &tv);
}
int
main (int argc, char **argv)
{
opal_event_t timeout;
struct timeval tv;
/* Initalize the event library */
opal_event_init();
/* Initalize one event */
opal_evtimer_set(&timeout, timeout_cb, &timeout);
timerclear(&tv);
tv.tv_sec = 2;
opal_event_add(&timeout, &tv);
lasttime = time(NULL);
opal_event_dispatch();
return (0);
}
|
