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_signal.h"
32 #include "signal.h"
33
34 static const int NAME_LEN = 60;
35
36 static const int MAX_PIPES = 32;
37
PipeUnlinkTest()38 static int PipeUnlinkTest()
39 {
40 int pipefd[MAX_PIPES][2]; // 2, array subscript
41 int tmpFd[2];
42 pid_t pid;
43 int retValue = -1;
44
45 int status, ret;
46 char devName[NAME_LEN]; // 60, array subscript
47 pid = fork();
48 if (pid == -1) {
49 printf("Fork Error!\n");
50 return -1;
51 } else if (pid == 0) {
52 for (int i = 0; i < MAX_PIPES; i++) {
53 retValue = pipe(pipefd[i]);
54 ICUNIT_ASSERT_EQUAL_EXIT(retValue, 0, __LINE__);
55 }
56 retValue = pipe(tmpFd);
57 ICUNIT_ASSERT_EQUAL_EXIT(retValue, -1, __LINE__);
58 for (int i = 0; i < MAX_PIPES; i++) {
59 (void)snprintf_s(devName, NAME_LEN, NAME_LEN - 1, "/dev/pipe%d", i); // 60, len of max size
60 retValue = unlink(devName);
61 ICUNIT_ASSERT_EQUAL_EXIT(retValue, -1, __LINE__);
62 retValue = close(pipefd[i][0]);
63 ICUNIT_ASSERT_EQUAL_EXIT(retValue, 0, __LINE__);
64 retValue = unlink(devName);
65 ICUNIT_ASSERT_EQUAL_EXIT(retValue, -1, __LINE__);
66 retValue = close(pipefd[i][1]);
67 ICUNIT_ASSERT_EQUAL_EXIT(retValue, 0, __LINE__);
68 retValue = unlink(devName);
69 ICUNIT_ASSERT_EQUAL_EXIT(retValue, 0, __LINE__);
70 }
71 exit(0);
72 }
73 usleep(15000); // 15000, Used to calculate the delay time.
74 ret = waitpid(pid, &status, 0);
75 ICUNIT_ASSERT_EQUAL(ret, pid, ret);
76 ICUNIT_ASSERT_EQUAL(WEXITSTATUS(status), 0, WEXITSTATUS(status));
77 return 0;
78 }
79
80
ItPosixPipe006(void)81 void ItPosixPipe006(void)
82 {
83 TEST_ADD_CASE(__FUNCTION__, PipeUnlinkTest, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
84 }
85