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 #include "it_test_process.h"
32 #include "sys/shm.h"
33
34 static int *g_shmptr = NULL;
35 static int g_ppid;
TestThread(void * arg)36 static int TestThread(void *arg)
37 {
38 int ret = 0;
39 pid_t pid;
40 pid_t ppid = getppid();
41
42 printf("TestThread ppid : %d g_ppid : %d\n", ppid, g_ppid);
43
44 ICUNIT_ASSERT_EQUAL(ppid, g_ppid, g_ppid);
45
46 *g_shmptr = 1000; // 1000, set shared num.
47
48 pid = fork();
49
50 ICUNIT_GOTO_WITHIN_EQUAL(pid, 0, 100000, pid, EXIT); // 100000, assert pid equal to this.
51 if (pid == 0) {
52 sleep(1);
53 exit(0);
54 }
55
56 ret = waitpid(pid, NULL, 0);
57 ICUNIT_ASSERT_EQUAL(ret, pid, ret);
58
59 *g_shmptr = 100; // 100, set shared num.
60 EXIT:
61 return 0;
62 }
63
64 // This testcase us used for undefination of LOSCFG_USER_TEST_SMP
Testcase(void)65 static int Testcase(void)
66 {
67 int arg = 0x2000;
68 int status;
69 pid_t pid;
70 void *stack;
71 char *stackTop;
72 int ret;
73
74 int shmid = shmget(IPC_PRIVATE, sizeof(int), IPC_CREAT | 0600); // 0600 config of shmget
75 ICUNIT_ASSERT_NOT_EQUAL(shmid, -1, shmid);
76
77 g_shmptr = (int *)shmat(shmid, nullptr, 0);
78 ICUNIT_ASSERT_NOT_EQUAL(g_shmptr, reinterpret_cast<int *>(-1), g_shmptr);
79
80 *g_shmptr = 0;
81
82 g_ppid = getppid();
83 printf("testcase ppid : %d\n", g_ppid);
84
85 stack = malloc(arg);
86 ICUNIT_GOTO_NOT_EQUAL(stack, NULL, stack, EXIT1);
87
88 stackTop = reinterpret_cast<char *>(reinterpret_cast<unsigned long>(stack) + arg);
89 pid = clone(TestThread, (void *)stackTop, CLONE_PARENT | CLONE_VFORK, &arg);
90
91 ICUNIT_GOTO_EQUAL(*g_shmptr, 100, *g_shmptr, EXIT2); // 100, assert g_shmptr equal to this.
92
93 ret = waitpid(pid, &status, 0);
94 ICUNIT_GOTO_EQUAL(ret, -1, ret, EXIT2);
95
96 EXIT2:
97 free(stack);
98
99 EXIT1:
100 shmdt(g_shmptr);
101 shmctl(shmid, IPC_RMID, NULL);
102
103 return 0;
104 }
105
ItTestProcess051(void)106 void ItTestProcess051(void)
107 {
108 TEST_ADD_CASE("IT_POSIX_PROCESS_051", Testcase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
109 }
110