1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved.
4 */
5
6 /*\
7 * [Description]
8 *
9 * Verify that:
10 *
11 * - sched_getparam(2) returns -1 and sets errno to ESRCH if the
12 * process with specified pid could not be found
13 * - sched_getparam(2) returns -1 and sets errno to EINVAL if
14 * the parameter pid is an invalid value (-1)
15 * - sched_getparam(2) returns -1 and sets errno to EINVAL if the
16 * parameter p is an invalid address
17 */
18
19 #include <errno.h>
20 #include "tst_test.h"
21 #include "tst_sched.h"
22
23 static struct sched_param param;
24 static pid_t unused_pid;
25 static pid_t zero_pid;
26 static pid_t inval_pid = -1;
27
28 static struct test_case_t {
29 char *desc;
30 pid_t *pid;
31 struct sched_param *p;
32 int exp_errno;
33 } test_cases[] = {
34 {"sched_getparam() with non-existing pid",
35 &unused_pid, ¶m, ESRCH},
36 {"sched_getparam() with invalid pid",
37 &inval_pid, ¶m, EINVAL},
38 {"sched_getparam() with invalid address for param",
39 &zero_pid, NULL, EINVAL},
40 };
41
verify_sched_getparam(unsigned int n)42 static void verify_sched_getparam(unsigned int n)
43 {
44 struct test_case_t *tc = &test_cases[n];
45 struct sched_variant *tv = &sched_variants[tst_variant];
46
47 TST_EXP_FAIL(tv->sched_getparam(*(tc->pid), tc->p), tc->exp_errno,
48 "%s", tc->desc);
49 }
50
setup(void)51 static void setup(void)
52 {
53 tst_res(TINFO, "Testing %s variant", sched_variants[tst_variant].desc);
54 unused_pid = tst_get_unused_pid();
55 }
56
57 static struct tst_test test = {
58 .setup = setup,
59 .test_variants = ARRAY_SIZE(sched_variants),
60 .tcnt = ARRAY_SIZE(test_cases),
61 .test = verify_sched_getparam,
62 };
63