1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <stdio.h>
17 #include <errno.h>
18 #include <sched.h>
19 #include <unistd.h>
20 #include "test.h"
21
22 /*
23 * @tc.name : sched_setaffinity_0100
24 * @tc.desc : Invalid cpu set size
25 * @tc.level : Level 0
26 */
sched_setaffinity_0100(void)27 void sched_setaffinity_0100(void)
28 {
29 errno = 0;
30 int max = sysconf(_SC_NPROCESSORS_CONF) + 1;
31 cpu_set_t *set = CPU_ALLOC(max);
32 if (set == NULL) {
33 t_error("%s failed, set is NULL", __func__);
34 }
35
36 size_t set_size = CPU_ALLOC_SIZE(max);
37 CPU_ZERO_S(set_size, set);
38 CPU_SET_S(max, set_size, set);
39
40 int result = sched_setaffinity(0, set_size, set);
41 if (result != -1) {
42 t_error("%s affinity mask does not trigger an error", __func__);
43 }
44
45 if (errno != EINVAL) {
46 t_error("%s errno is %d", __func__, errno);
47 }
48 }
49
50 /*
51 * @tc.name : sched_setaffinity_0100
52 * @tc.desc : Set cpu affinity
53 * @tc.level : Level 1
54 */
sched_setaffinity_0200(void)55 void sched_setaffinity_0200(void)
56 {
57 cpu_set_t mask;
58 cpu_set_t get;
59
60 CPU_ZERO(&mask);
61 CPU_SET(0, &mask);
62
63 int result = sched_setaffinity(0, sizeof(mask), &mask);
64 if (result == -1) {
65 t_error("%s failed to set cpu affinity\n", __func__);
66 }
67
68 CPU_ZERO(&get);
69 result = sched_getaffinity(0, sizeof(get), &get);
70 if (result == -1) {
71 t_error("%s sched_getaffinity failed\n", __func__);
72 }
73
74 if (!CPU_ISSET(0, &get)) {
75 t_error("%s getaffinity is not 0\n", __func__);
76 }
77 }
78
main(int argc,char * argv[])79 int main(int argc, char *argv[])
80 {
81 sched_setaffinity_0100();
82 sched_setaffinity_0200();
83 return t_status;
84 }