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 void *TestThread(void *arg)
37 {
38 int data = *((int *)arg);
39 int ret = 0;
40
41 pid_t ppid = getppid();
42
43 printf("TestThread ppid : %d g_ppid : %d\n", ppid, g_ppid);
44
45 ICUNIT_ASSERT_EQUAL(ppid, g_ppid, g_ppid);
46
47 *g_shmptr = 100; // 100, set shared num.
48 return NULL;
49 }
50
51 // This testcase us used for undefination of LOSCFG_USER_TEST_SMP
Testcase(void)52 static int Testcase(void)
53 {
54 int arg = 0x2000;
55 int status;
56
57 int shmid = shmget(IPC_PRIVATE, sizeof(int), IPC_CREAT | 0600); // 0600 config of shmget
58 ICUNIT_ASSERT_NOT_EQUAL(shmid, -1, shmid);
59
60 g_shmptr = (int *)shmat(shmid, nullptr, 0);
61 ICUNIT_ASSERT_NOT_EQUAL(g_shmptr, static_cast<int *>(-1), g_shmptr);
62
63 *g_shmptr = 0;
64
65 g_ppid = getppid();
66 printf("testcase ppid : %d\n", g_ppid);
67
68 void *stack = malloc(arg);
69 ICUNIT_GOTO_NOT_EQUAL(stack, NULL, stack, EXIT1);
70
71 char *stackTop = static_cast<char *>(static_cast<unsigned long>(stack) + arg);
72 pid_t pid = clone(TestThread, (char *)stackTop, CLONE_PARENT | CLONE_VFORK | CLONE_FILES, &arg);
73
74 ICUNIT_GOTO_EQUAL(*g_shmptr, 100, *g_shmptr, EXIT2); // 100, assert g_shmptr equal to this.
75
76 int ret = waitpid(pid, &status, NULL);
77 ICUNIT_GOTO_EQUAL(ret, -1, ret, EXIT2);
78
79 EXIT2:
80 free(stack);
81
82 EXIT1:
83 shmdt(g_shmptr);
84 shmctl(shmid, IPC_RMID, NULL);
85
86 return 0;
87 }
88
ItTestProcess052(void)89 void ItTestProcess052(void)
90 {
91 TEST_ADD_CASE("IT_POSIX_PROCESS_052", Testcase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
92 }
93