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
|
/* Basic time functionality test: check that milliseconds are
incremented for each syscall (does not work on host). */
#include <stdio.h>
#include <time.h>
#include <sys/time.h>
#include <string.h>
#include <stdlib.h>
void err (const char *s)
{
perror (s);
abort ();
}
int
main (void)
{
struct timeval t_m = {0, 0};
struct timezone t_z = {0, 0};
struct timeval t_m1 = {0, 0};
int i;
if (gettimeofday (&t_m, &t_z) != 0)
err ("gettimeofday");
for (i = 1; i < 10000; i++)
if (gettimeofday (&t_m1, NULL) != 0)
err ("gettimeofday 1");
else
if (t_m1.tv_sec * 1000000 + t_m1.tv_usec
!= (t_m.tv_sec * 1000000 + t_m.tv_usec + i * 1000))
{
fprintf (stderr, "t0 (%ld, %ld), i %d, t1 (%ld, %ld)\n",
t_m.tv_sec, t_m.tv_usec, i, t_m1.tv_sec, t_m1.tv_usec);
abort ();
}
if (time (NULL) != t_m1.tv_sec)
{
fprintf (stderr, "time != gettod\n");
abort ();
}
printf ("pass\n");
exit (0);
}
|
