1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) International Business Machines Corp., 2001
4 * 03/2001 - Written by Wayne Boyer
5 *
6 */
7
8 /*\
9 * [Description]
10 *
11 * Check that setitimer() call fails:
12 *
13 * 1. EFAULT with invalid itimerval pointer
14 * 2. EINVAL when called with an invalid first argument
15 */
16
17 #include <errno.h>
18 #include <sys/time.h>
19 #include <stdlib.h>
20 #include "tst_test.h"
21 #include "lapi/syscalls.h"
22
23 static struct itimerval *value, *ovalue;
24
sys_setitimer(int which,void * new_value,void * old_value)25 static int sys_setitimer(int which, void *new_value, void *old_value)
26 {
27 return tst_syscall(__NR_setitimer, which, new_value, old_value);
28 }
29
verify_setitimer(unsigned int i)30 static void verify_setitimer(unsigned int i)
31 {
32 switch (i) {
33 case 0:
34 TST_EXP_FAIL(sys_setitimer(ITIMER_REAL, value, (void *)-1), EFAULT);
35 break;
36 case 1:
37 TST_EXP_FAIL(sys_setitimer(ITIMER_VIRTUAL, value, (void *)-1), EFAULT);
38 break;
39 case 2:
40 TST_EXP_FAIL(sys_setitimer(-ITIMER_PROF, value, ovalue), EINVAL);
41 break;
42 }
43 }
44
setup(void)45 static void setup(void)
46 {
47 value->it_value.tv_sec = 30;
48 value->it_value.tv_usec = 0;
49 value->it_interval.tv_sec = 0;
50 value->it_interval.tv_usec = 0;
51 }
52
53 static struct tst_test test = {
54 .tcnt = 3,
55 .test = verify_setitimer,
56 .setup = setup,
57 .bufs = (struct tst_buffers[]) {
58 {&value, .size = sizeof(struct itimerval)},
59 {&ovalue, .size = sizeof(struct itimerval)},
60 {}
61 }
62 };
63