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
32 const int TEST_COUNT = 5;
33 const int TEST_PARENT_SLEEP_TIME = 3;
Child(void * p)34 static int Child(void *p)
35 {
36 (void)p;
37 pid_t pid1 = fork();
38 if (pid1 == 0) {
39 pid_t pid3 = fork();
40 if (pid3 == 0) {
41 sleep(TEST_PARENT_SLEEP_TIME);
42 exit(0);
43 }
44
45 sleep(TEST_PARENT_SLEEP_TIME);
46 if (getppid() != 1) {
47 exit(EXIT_CODE_ERRNO_3);
48 }
49 exit(0);
50 }
51
52 pid_t pid2 = fork();
53 if (pid2 == 0) {
54 sleep(TEST_PARENT_SLEEP_TIME);
55
56 if (getppid() != 1) {
57 exit(EXIT_CODE_ERRNO_4);
58 }
59 exit(0);
60 }
61
62 exit(0);
63 }
64
ChildFun(void * p)65 static int ChildFun(void *p)
66 {
67 (void)p;
68 int ret;
69 int count = 2;
70 int status = 0;
71
72 pid_t pid1 = fork();
73 if (pid1 == 0) {
74 (void)Child(NULL);
75 }
76
77 ret = waitpid(pid1, &status, 0);
78 if ((ret != pid1) || (WIFEXITED(status) == 0)) {
79 exit(EXIT_CODE_ERRNO_2);
80 }
81 if (WEXITSTATUS(status) != 0) {
82 exit(WEXITSTATUS(status));
83 }
84
85 while (count > 0) {
86 ret = wait(&status);
87 if ((ret < 0) || (WIFEXITED(status) == 0)) {
88 exit(EXIT_CODE_ERRNO_3);
89 }
90 if (WEXITSTATUS(status) != 0) {
91 exit(WEXITSTATUS(status));
92 }
93 count--;
94 }
95
96 return 0;
97 }
98
ItPidContainer020(void)99 void ItPidContainer020(void)
100 {
101 int status;
102 int ret;
103 void *pstk = malloc(STACK_SIZE);
104 ASSERT_TRUE(pstk != NULL);
105 int childPid = clone(ChildFun, (char *)pstk + STACK_SIZE, CLONE_NEWPID | SIGCHLD, NULL);
106 free(pstk);
107 ASSERT_NE(childPid, -1);
108
109 ret = waitpid(childPid, &status, 0);
110 ASSERT_EQ(ret, childPid);
111 ret = WIFEXITED(status);
112 ASSERT_NE(ret, 0);
113 ret = WEXITSTATUS(status);
114 ASSERT_EQ(ret, 0);
115
116 sleep(5); /* 5: Wait for process resources to be reclaimed */
117 }
118