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:
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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
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30  */
31 #include "it_pthread_test.h"
32 
PthreadTest115(VOID *arg)33 static VOID *PthreadTest115(VOID *arg)
34 {
35     int ret = pthread_detach(pthread_self());
36     ICUNIT_ASSERT_EQUAL_NULL(ret, 0, (void *)(intptr_t)ret);
37     return NULL;
38 }
39 
GroupProcess(void)40 static int GroupProcess(void)
41 {
42     int ret;
43     pthread_t th1;
44     pthread_attr_t attr;
45     pthread_attr_init(&attr);
46     int policy = 0;
47     struct sched_param param = { 0 };
48     const int testThreadCount = 2000;
49 
50     ret = pthread_getschedparam(pthread_self(), &policy, &param);
51     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
52 
53     ret = pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED);
54     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
55 
56     param.sched_priority -= 2; // 2, adjust the priority.
57     ret = pthread_attr_setschedparam(&attr, &param);
58     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
59 
60     ret = pthread_attr_setschedpolicy(&attr, SCHED_FIFO);
61     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
62 
63     for (int i = 0; i < testThreadCount; i++) {
64         ret = pthread_create(&th1, &attr, PthreadTest115, 0);
65         ICUNIT_ASSERT_EQUAL(ret, 0, ret);
66     }
67 
68     exit(255); // 255, set a special exit code.
69 }
70 
TestCase(void)71 static int TestCase(void)
72 {
73     int ret;
74     int status = 0;
75     pid_t pid;
76     pid = fork();
77     ICUNIT_GOTO_WITHIN_EQUAL(pid, 0, 100000, pid, EXIT); // 100000, The pid will never exceed 100000.
78 
79     if (pid == 0) {
80         prctl(PR_SET_NAME, "mainFork", 0UL, 0UL, 0UL);
81         GroupProcess();
82         printf("[Failed] - [Errline : %d RetCode : 0x%x\n", g_iCunitErrLineNo, g_iCunitErrCode);
83         exit(g_iCunitErrLineNo);
84     }
85 
86     ret = waitpid(pid, &status, 0);
87     ICUNIT_ASSERT_EQUAL(ret, pid, ret);
88     status = WEXITSTATUS(status);
89     ICUNIT_GOTO_EQUAL(status, 255, status, EXIT); // 255, assert the special exit code.
90 
91     return 0;
92 EXIT:
93     return 1;
94 }
95 
ItTestPthread016(void)96 void ItTestPthread016(void)
97 {
98     TEST_ADD_CASE("IT_POSIX_PTHREAD_016", TestCase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
99 }
100