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
|
/*
* Copyright (c) 2016-2020 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#include "pidns.h"
#if defined __NR_sched_getparam && defined __NR_sched_setparam
# include <sched.h>
# include <stdio.h>
# include <unistd.h>
int
main(void)
{
PIDNS_TEST_INIT;
struct sched_param *const param =
tail_alloc(sizeof(struct sched_param));
const int pid = getpid();
const char *pid_str = pidns_pid2str(PT_TGID);
long rc = syscall(__NR_sched_getparam, pid, param);
pidns_print_leader();
printf("sched_getparam(%d%s, [%d]) = %ld\n",
pid, pid_str, param->sched_priority, rc);
param->sched_priority = -1;
rc = syscall(__NR_sched_setparam, pid, param);
pidns_print_leader();
printf("sched_setparam(%d%s, [%d]) = %ld %s (%m)\n",
pid, pid_str,
param->sched_priority, rc, errno2name());
pidns_print_leader();
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_sched_getparam && __NR_sched_setparam")
#endif
|
