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