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 int ret;
36 int status = 0;
37 pid_t pid;
38 int count = 100;
39 int processCount = 0;
40
41 pid = getpid();
42 if (pid != CONTAINER_FIRST_PID) {
43 return EXIT_CODE_ERRNO_1;
44 }
45
46 for (int i = 0; i < count; i++) {
47 pid = fork();
48 if (pid == 0) {
49 sleep(2); /* delay 2s */
50 exit(0);
51 } else if (pid < 0) {
52 if (errno != EAGAIN) {
53 sleep(1);
54 }
55 ret = wait(&status);
56 if (ret > 0) {
57 processCount--;
58 }
59 continue;
60 } else {
61 processCount++;
62 continue;
63 }
64 }
65
66 ret = 0;
67 while (processCount > 0) {
68 ret = wait(&status);
69 if (ret > 0) {
70 processCount--;
71 } else {
72 sleep(1);
73 }
74 }
75 exit(EXIT_CODE_ERRNO_255);
76 }
77
ItPidContainer009(void)78 void ItPidContainer009(void)
79 {
80 int ret = 0;
81 int status;
82 void *pstk = malloc(STACK_SIZE);
83 ASSERT_TRUE(pstk != NULL);
84 int childPid = clone(ChildFun, (char *)pstk + STACK_SIZE, CLONE_NEWPID | SIGCHLD, NULL);
85 free(pstk);
86 ASSERT_NE(childPid, -1);
87
88 ret = waitpid(childPid, &status, 0);
89 ASSERT_EQ(ret, childPid);
90 ret = WIFEXITED(status);
91 ASSERT_NE(ret, 0);
92 ret = WEXITSTATUS(status);
93 ASSERT_EQ(ret, EXIT_CODE_ERRNO_255);
94
95 sleep(5); /* 5: Wait for process resources to be reclaimed */
96 }
97