1 /*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include "it_test_process.h"
33
34 static const int PROCESS_PRIORITY_MAX = 10;
35 static const int PROCESS_PRIORITY_MIN = 31;
36 static const int PROCESS_SCHED_RR_INTERVAL = 20000000;
37
Testcase(VOID)38 static int Testcase(VOID)
39 {
40 int ret;
41 struct sched_param param = { 0 };
42 struct timespec ts = { 0 };
43 int err;
44 ret = sched_getparam(getpid(), NULL);
45 err = errno;
46 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
47 ICUNIT_ASSERT_EQUAL(err, EINVAL, err);
48
49 ret = sched_getparam(-1, ¶m);
50 err = errno;
51 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
52 ICUNIT_ASSERT_EQUAL(err, EINVAL, err);
53
54 ret = sched_setparam(getpid(), NULL);
55 err = errno;
56 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
57 ICUNIT_ASSERT_EQUAL(err, EINVAL, err);
58
59 ret = sched_setparam(-1, ¶m);
60 err = errno;
61 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
62
63 param.sched_priority = PROCESS_PRIORITY_MIN + 1;
64 ret = sched_setparam(getpid(), ¶m);
65 err = errno;
66 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
67 ICUNIT_ASSERT_EQUAL(err, EINVAL, err);
68
69 param.sched_priority = 15; // 15, set pthread priority.
70 ret = sched_setparam(60, ¶m); // 60, set the param.
71 err = errno;
72 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
73 ICUNIT_ASSERT_EQUAL(err, ESRCH, err);
74
75 ret = getpriority(PRIO_USER, getpid());
76 err = errno;
77 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
78 ICUNIT_ASSERT_EQUAL(err, EINVAL, err);
79
80 ret = sched_get_priority_min(SCHED_RR);
81 ICUNIT_ASSERT_EQUAL(ret, PROCESS_PRIORITY_MAX, ret);
82
83 ret = sched_get_priority_max(SCHED_FIFO);
84 err = errno;
85 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
86 ICUNIT_ASSERT_EQUAL(err, EINVAL, err);
87
88 ret = sched_get_priority_max(SCHED_OTHER);
89 err = errno;
90 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
91 ICUNIT_ASSERT_EQUAL(err, EINVAL, err);
92
93 ret = sched_get_priority_max(SCHED_RR);
94 ICUNIT_ASSERT_EQUAL(ret, PROCESS_PRIORITY_MIN, ret);
95
96 ret = sched_get_priority_min(SCHED_OTHER);
97 err = errno;
98 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
99 ICUNIT_ASSERT_EQUAL(err, EINVAL, err);
100
101 ret = sched_get_priority_min(SCHED_FIFO);
102 err = errno;
103 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
104 ICUNIT_ASSERT_EQUAL(err, EINVAL, err);
105
106 param.sched_priority = PROCESS_PRIORITY_MAX - 1;
107 ret = sched_setparam(getpid(), ¶m);
108 err = errno;
109 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
110 ICUNIT_ASSERT_EQUAL(err, EINVAL, err);
111
112 param.sched_priority = PROCESS_PRIORITY_MAX - 1;
113 ret = sched_setscheduler(getpid(), SCHED_RR, ¶m);
114 err = errno;
115 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
116 ICUNIT_ASSERT_EQUAL(err, EINVAL, err);
117
118 param.sched_priority = 11; // 11, set pthread priority.
119 ret = sched_setscheduler(1000, SCHED_RR, ¶m); // 1000, input the pid.
120 err = errno;
121 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
122 ICUNIT_ASSERT_EQUAL(err, EINVAL, err);
123
124 param.sched_priority = PROCESS_PRIORITY_MAX - 1;
125 ret = setpriority(PRIO_PROCESS, getpid(), param.sched_priority);
126 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
127 err = errno;
128 ICUNIT_ASSERT_EQUAL(err, EINVAL, err);
129
130 ret = sched_getscheduler(getpid());
131 ICUNIT_ASSERT_EQUAL(ret, SCHED_RR, ret);
132
133 ret = sched_getscheduler(10000); // 10000, input the pid.
134 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
135 err = errno;
136 ICUNIT_ASSERT_EQUAL(err, EINVAL, err);
137
138 ret = sched_getscheduler(-1);
139 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
140 err = errno;
141 ICUNIT_ASSERT_EQUAL(err, EINVAL, err);
142
143 param.sched_priority = PROCESS_PRIORITY_MAX - 1;
144 ret = sched_setscheduler(getpid(), SCHED_FIFO, ¶m);
145 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
146 err = errno;
147 ICUNIT_ASSERT_EQUAL(err, EINVAL, err);
148
149 return 0;
150
151 ERROR_OUT:
152 return -1;
153 }
154
ItTestProcess001(void)155 void ItTestProcess001(void)
156 {
157 TEST_ADD_CASE("IT_POSIX_PROCESS_001", Testcase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
158 }
159