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_container_test.h"
31
ChildFun1(void *p)32 static int ChildFun1(void *p)
33 {
34 (void)p;
35 return getpid();
36 }
37
ChildFun(void *p)38 static int ChildFun(void *p)
39 {
40 (void)p;
41 int status;
42 int ret;
43 pid_t pid = getpid();
44 int childFunRet = (int)pid;
45 void *pstk = malloc(STACK_SIZE);
46 if (pstk == NULL) {
47 return EXIT_CODE_ERRNO_2;
48 }
49 int childPid = clone(ChildFun1, (char *)pstk + STACK_SIZE, SIGCHLD, NULL);
50 if (childPid == -1) {
51 free(pstk);
52 return EXIT_CODE_ERRNO_3;
53 }
54
55 ret = waitpid(childPid, &status, 0);
56 ret = WIFEXITED(status);
57 ret = WEXITSTATUS(status);
58 if (ret != CONTAINER_SECOND_PID) {
59 free(pstk);
60 return EXIT_CODE_ERRNO_4;
61 }
62
63 childPid = clone(ChildFun1, (char *)pstk + STACK_SIZE, SIGCHLD, NULL);
64 if (childPid == -1) {
65 free(pstk);
66 return EXIT_CODE_ERRNO_5;
67 }
68
69 ret = waitpid(childPid, &status, 0);
70 ret = WIFEXITED(status);
71 ret = WEXITSTATUS(status);
72 if (ret != CONTAINER_THIRD_PID) {
73 free(pstk);
74 return EXIT_CODE_ERRNO_6;
75 }
76
77 free(pstk);
78 return childFunRet;
79 }
80
ItPidContainer006(void)81 void ItPidContainer006(void)
82 {
83 int status;
84 int ret;
85 void *pstk = malloc(STACK_SIZE);
86 ASSERT_TRUE(pstk != NULL);
87 pid_t parentPid = getpid();
88 int childPid = clone(ChildFun, (char *)pstk + STACK_SIZE, CLONE_NEWPID | SIGCHLD, NULL);
89 free(pstk);
90 ASSERT_NE(childPid, -1);
91
92 ret = waitpid(childPid, &status, 0);
93 ASSERT_EQ(ret, childPid);
94 ret = WIFEXITED(status);
95 ASSERT_NE(ret, 0);
96 ret = WEXITSTATUS(status);
97 ASSERT_EQ(ret, CONTAINER_FIRST_PID);
98 }
99