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
|
/* COVERAGE: sched_setaffinity */
#define _GNU_SOURCE
#include <stdio.h>
#include <unistd.h>
#include <sched.h>
#include <sys/syscall.h>
// glibc mangles some calls, so define our own sched_setaffinity()
// using syscall().
#if defined(__NR_sched_setaffinity)
static inline int
__sched_setaffinity(pid_t pid, size_t cpusetsize, cpu_set_t *mask)
{
return syscall(__NR_sched_setaffinity, pid, cpusetsize, mask);
}
#endif
int main()
{
cpu_set_t mask;
sched_getaffinity(0, sizeof(mask), &mask);
//staptest// sched_getaffinity (0, XXXX, XXXX) = NNNN
sched_setaffinity(0, sizeof(mask), &mask);
//staptest// sched_setaffinity (0, XXXX, XXXX) = NNNN
/* Limits testing */
sched_setaffinity(-1, sizeof(mask), &mask);
//staptest// sched_setaffinity (-1, XXXX, XXXX) = NNNN
#ifdef __NR_sched_setaffinity
// glibc mangles this one
__sched_setaffinity(0, (size_t)-1, &mask);
//staptest// sched_setaffinity (0, 4294967295, XXXX) = NNNN
// glibc mangles this one also
__sched_setaffinity(0, sizeof(mask), (cpu_set_t *)-1);
#ifdef __s390__
//staptest// sched_setaffinity (0, XXXX, 0x[7]?[f]+) = NNNN
#else
//staptest// sched_setaffinity (0, XXXX, 0x[f]+) = NNNN
#endif
#endif
return 0;
}
|
