1 /*
2  * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without modification,
5  * are permitted provided that the following conditions are met:
6  *
7  * 1. Redistributions of source code must retain the above copyright notice, this list of
8  * conditions and the following disclaimer.
9  *
10  * 2. Redistributions in binary form must reproduce the above copyright notice, this list
11  * of conditions and the following disclaimer in the documentation and/or other materials
12  * provided with the distribution.
13  *
14  * 3. Neither the name of the copyright holder nor the names of its contributors may be used
15  * to endorse or promote products derived from this software without specific prior written
16  * permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
22  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
27  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
28  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 #include "it_pthread_test.h"
31 
EdfProcess(void)32 static int EdfProcess(void)
33 {
34     int ret;
35     int currPolicy = 0;
36     struct sched_param currSchedParam = { 0 };
37     volatile unsigned int count = 0;
38     int currTID = Syscall(SYS_gettid, 0, 0, 0, 0);
39 
40     ret = pthread_getschedparam(pthread_self(), &currPolicy, &currSchedParam);
41     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
42     ICUNIT_ASSERT_EQUAL(currPolicy, SCHED_DEADLINE, LOS_NOK);
43     ICUNIT_ASSERT_EQUAL(currSchedParam.sched_deadline, 1000000, LOS_NOK);    /* 1000000, 1s */
44     ICUNIT_ASSERT_EQUAL(currSchedParam.sched_runtime, 20000, LOS_NOK);      /* 20000, 20ms */
45     ICUNIT_ASSERT_EQUAL(currSchedParam.sched_period, 1000000, LOS_NOK);      /* 1000000, 1s */
46 
47     printf("--- edf2 -- 1 -- Tid[%d] thread start ---\n\r", currTID);
48     do {
49         for (volatile int i = 0; i < 10000; i++) { /* 10000, no special meaning */
50             for (volatile int j = 0; j < 5; j++) { /* 5, no special meaning */
51                 int tmp = i - j;
52             }
53         }
54         if (count % 3 == 0) {  /* 3, no special meaning */
55             printf("--- edf2 -- 2 -- Tid[%d] thread running ---\n\r", currTID);
56         }
57         count++;
58     } while (count <= 6); /* 6, no special meaning */
59     printf("--- edf2 -- 3 -- Tid[%d] thread end ---\n\r", currTID);
60 
61     return 0;
62 }
63 
ChildProcess(void)64 static int ChildProcess(void)
65 {
66     int *childThreadRetval = nullptr;
67     pthread_t newUserThread;
68     int pid, status, ret;
69     int currPolicy = 0;
70     volatile unsigned int count = 0;
71     struct sched_param currSchedParam = { 0 };
72     int currTID = Syscall(SYS_gettid, 0, 0, 0, 0);
73     struct sched_param param = {
74         .sched_deadline = 1000000,  /* 1000000, 1s */
75         .sched_runtime = 20000,     /* 20000, 20ms */
76         .sched_period = 1000000,    /* 1000000, 1s */
77     };
78 
79     ret = sched_setscheduler(getpid(), SCHED_DEADLINE, &param);
80     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
81 
82     ret = pthread_getschedparam(pthread_self(), &currPolicy, &currSchedParam);
83     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
84     ICUNIT_ASSERT_EQUAL(currPolicy, SCHED_DEADLINE, LOS_NOK);
85     ICUNIT_ASSERT_EQUAL(currSchedParam.sched_deadline, 1000000, LOS_NOK);    /* 1000000, 1s */
86     ICUNIT_ASSERT_EQUAL(currSchedParam.sched_runtime, 20000, LOS_NOK);       /* 20000, 20ms */
87     ICUNIT_ASSERT_EQUAL(currSchedParam.sched_period, 1000000, LOS_NOK);      /* 1000000, 1s */
88 
89     pid = fork();
90     if (pid == 0) {
91         ret = EdfProcess();
92         if (ret != 0) {
93             exit(-1);
94         }
95         exit(0);
96     } else if (pid > 0) {
97         printf("--- edf1 -- 1 -- Tid[%d] thread start ---\n\r", currTID);
98         do {
99             for (volatile int i = 0; i < 50000; i++) { /* 50000, no special meaning */
100                     int tmp = i + 1;
101             }
102             if (count % 5 == 0) {  /* 5, no special meaning */
103                 printf("--- edf1 -- 2 -- Tid[%d] thread running ---\n\r", currTID);
104             }
105             count++;
106         } while (count <= 10); /* 10, no special meaning */
107         printf("--- edf1 -- 3 -- Tid[%d] thread end ---\n\r", currTID);
108         waitpid(pid, &status, 0);
109     } else {
110         exit(__LINE__);
111     }
112 
113     return WEXITSTATUS(status) == 0 ? 0 : -1;
114 }
115 
TestCase(void)116 static int TestCase(void)
117 {
118     int ret, pid, status;
119 
120     pid = fork();
121     if (pid == 0) {
122         ret = ChildProcess();
123         if (ret != 0) {
124             exit(-1);
125         }
126         exit(0);
127     } else if (pid > 0) {
128         waitpid(pid, &status, 0);
129     } else {
130         exit(__LINE__);
131     }
132 
133     return WEXITSTATUS(status) == 0 ? 0 : -1;
134 }
135 
ItTestPthread022(void)136 void ItTestPthread022(void)
137 {
138     TEST_ADD_CASE("IT_POSIX_PTHREAD_022", TestCase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
139 }
140