blob: bf3cb57dd88e41ff18a025b628f26fd604234511 (
plain)
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
|
#include <errno.h>
#include <stdio.h>
#include <sched.h>
#include <unistd.h>
static int
do_test (void)
{
cpu_set_t cs;
if (sched_getaffinity (getpid (), sizeof (cs), &cs) != 0)
{
printf ("getaffinity failed: %m\n");
return 1;
}
int result = 0;
int cpu = 0;
while (CPU_COUNT (&cs) != 0)
{
if (CPU_ISSET (cpu, &cs))
{
cpu_set_t cs2;
CPU_ZERO (&cs2);
CPU_SET (cpu, &cs2);
if (sched_setaffinity (getpid (), sizeof (cs2), &cs2) != 0)
{
printf ("setaffinity(%d) failed: %m\n", cpu);
result = 1;
}
else
{
int cpu2 = sched_getcpu ();
if (cpu2 == -1 && errno == ENOSYS)
{
puts ("getcpu syscall not implemented");
return 0;
}
if (cpu2 != cpu)
{
printf ("getcpu results %d not possible\n", cpu2);
result = 1;
}
}
CPU_CLR (cpu, &cs);
}
++cpu;
}
return result;
}
#define TEST_FUNCTION do_test ()
#include <test-skeleton.c>
|
