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
ChildFun(void * p)32 static int ChildFun(void *p)
33 {
34 (void)p;
35 return getpid();
36 }
37
ChildFunClone2(void * p)38 static int ChildFunClone2(void *p)
39 {
40 (void)p;
41 void *pstk = malloc(STACK_SIZE);
42 if (pstk == NULL) {
43 return EXIT_CODE_ERRNO_1;
44 }
45 int childPid = clone(ChildFun, (char *)pstk + STACK_SIZE, CLONE_NEWPID | SIGCHLD, NULL);
46 if (childPid != -1) {
47 free(pstk);
48 return EXIT_CODE_ERRNO_2;
49 }
50
51 free(pstk);
52 return 0;
53 }
54
ChildFunClone1(void * p)55 static int ChildFunClone1(void *p)
56 {
57 (void)p;
58 int ret = 0;
59 int status;
60 pid_t pid = getpid();
61 int childFunRet = (int)pid;
62 void *pstk = malloc(STACK_SIZE);
63 if (pstk == NULL) {
64 return EXIT_CODE_ERRNO_2;
65 }
66 int childPid = clone(ChildFunClone2, (char *)pstk + STACK_SIZE, CLONE_NEWPID | SIGCHLD, NULL);
67 if (childPid == -1) {
68 free(pstk);
69 return EXIT_CODE_ERRNO_3;
70 }
71
72 ret = waitpid(childPid, &status, 0);
73 if (ret != childPid) {
74 return EXIT_CODE_ERRNO_4;
75 }
76 ret = WIFEXITED(status);
77 if (ret == 0) {
78 return EXIT_CODE_ERRNO_5;
79 }
80 ret = WEXITSTATUS(status);
81 if (ret != 0) {
82 free(pstk);
83 return EXIT_CODE_ERRNO_6;
84 }
85
86 free(pstk);
87 return childFunRet;
88 }
89
ItPidContainer004(void)90 void ItPidContainer004(void)
91 {
92 int ret = 0;
93 int status;
94 void *pstk = malloc(STACK_SIZE);
95 ASSERT_TRUE(pstk != NULL);
96 int childPid = clone(ChildFunClone1, (char *)pstk + STACK_SIZE, CLONE_NEWPID | SIGCHLD, NULL);
97 free(pstk);
98 ASSERT_NE(childPid, -1);
99
100 ret = waitpid(childPid, &status, 0);
101 ASSERT_EQ(ret, childPid);
102 ret = WIFEXITED(status);
103 ASSERT_NE(ret, 0);
104 ret = WEXITSTATUS(status);
105 ASSERT_EQ(ret, CONTAINER_FIRST_PID);
106 }
107