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
|
/*
* Check decoding of getpriority and setpriority syscalls.
*
* Copyright (c) 2016-2021 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#include "pidns.h"
#include <stdio.h>
#include <sys/resource.h>
#include <unistd.h>
int
main(void)
{
PIDNS_TEST_INIT;
const int pid = getpid();
const int pgid = getpgid(0);
long rc = syscall(__NR_getpriority, PRIO_PROCESS,
F8ILL_KULONG_MASK | pid);
pidns_print_leader();
printf("getpriority(PRIO_PROCESS, %d%s) = %ld\n",
pid, pidns_pid2str(PT_TGID), rc);
rc = syscall(__NR_setpriority, PRIO_PROCESS,
F8ILL_KULONG_MASK | pid, F8ILL_KULONG_MASK);
pidns_print_leader();
printf("setpriority(PRIO_PROCESS, %d%s, 0) = %s\n",
pid, pidns_pid2str(PT_TGID), sprintrc(rc));
rc = syscall(__NR_getpriority, PRIO_PGRP,
F8ILL_KULONG_MASK | pgid);
pidns_print_leader();
printf("getpriority(PRIO_PGRP, %d%s) = %ld\n",
pgid, pidns_pid2str(PT_PGID), rc);
pidns_print_leader();
puts("+++ exited with 0 +++");
return 0;
}
|