1 /*
2 * Copyright (c) Huawei Technologies Co., Ltd., 2015
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
11 * the GNU General Public License for more details.
12 */
13
14 /* Description:
15 * Verify that:
16 * 1) sched_getattr fails with unused pid
17 * 2) sched_getattr fails with invalid address
18 * 3) sched_getattr fails with invalid value
19 * 4) sched_getattr fails with invalid flag
20 */
21
22 #define _GNU_SOURCE
23
24 #include <unistd.h>
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28 #include <time.h>
29 #include <linux/unistd.h>
30 #include <linux/kernel.h>
31 #include <linux/types.h>
32 #include <sys/syscall.h>
33 #include <pthread.h>
34 #include <sched.h>
35 #include <errno.h>
36
37 #include "test.h"
38 #include "linux_syscall_numbers.h"
39 #include "lapi/sched.h"
40
41 char *TCID = "sched_getattr02";
42
43 static pid_t pid;
44 static pid_t unused_pid;
45 struct sched_attr attr_copy;
46
47 static struct test_case {
48 pid_t *pid;
49 struct sched_attr *a;
50 unsigned int size;
51 unsigned int flags;
52 int exp_errno;
53 } test_cases[] = {
54 {&unused_pid, &attr_copy, sizeof(struct sched_attr), 0, ESRCH},
55 {&pid, NULL, sizeof(struct sched_attr), 0, EINVAL},
56 {&pid, &attr_copy, sizeof(struct sched_attr) - 1, 0, EINVAL},
57 {&pid, &attr_copy, sizeof(struct sched_attr), 1000, EINVAL}
58 };
59
60 static void setup(void);
61 static void sched_getattr_verify(const struct test_case *test);
62
63 int TST_TOTAL = ARRAY_SIZE(test_cases);
64
sched_getattr_verify(const struct test_case * test)65 static void sched_getattr_verify(const struct test_case *test)
66 {
67 TEST(sched_getattr(*(test->pid), test->a, test->size,
68 test->flags));
69
70 if (TEST_RETURN != -1) {
71 tst_resm(TFAIL, "sched_getattr() succeeded unexpectedly.");
72 return;
73 }
74
75 if (TEST_ERRNO == test->exp_errno) {
76 tst_resm(TPASS | TTERRNO,
77 "sched_getattr() failed expectedly");
78 return;
79 }
80
81 tst_resm(TFAIL | TTERRNO, "sched_getattr() failed unexpectedly "
82 ": expected: %d - %s",
83 test->exp_errno, tst_strerrno(test->exp_errno));
84 }
85
main(int argc,char ** argv)86 int main(int argc, char **argv)
87 {
88 int lc, i;
89
90 tst_parse_opts(argc, argv, NULL, NULL);
91
92 setup();
93
94 for (lc = 0; TEST_LOOPING(lc); lc++) {
95 for (i = 0; i < TST_TOTAL; i++)
96 sched_getattr_verify(&test_cases[i]);
97 }
98
99 tst_exit();
100 }
101
setup(void)102 void setup(void)
103 {
104 unused_pid = tst_get_unused_pid(setup);
105
106 if ((tst_kvercmp(3, 14, 0)) < 0)
107 tst_brkm(TCONF, NULL, "EDF needs kernel 3.14 or higher");
108
109 TEST_PAUSE;
110 }
111