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
33
34 static const int NAME_BUF_SIZE = 50;
35 static const int TAR_STR_LEN = 12;
36
Testcase(VOID)37 static UINT32 Testcase(VOID)
38 {
39 int tarFd, ret, spid;
40 char buffer[20]; // 20, target buffer size
41 char pathname[NAME_BUF_SIZE];
42 char *filename = "/mkfifotest3";
43 strncpy(pathname, "/dev", NAME_BUF_SIZE);
44 strcat(pathname, filename);
45 ret = mkfifo(pathname, 0777); // 0777, file athurioty
46 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT1);
47 spid = fork();
48 ICUNIT_GOTO_NOT_EQUAL(ret, -1, ret, EXIT1);
49 if (spid == 0) {
50 tarFd = open(pathname, O_WRONLY, 0777); // 0777, file athurioty
51 if (tarFd == -1) {
52 exit(12); // 12, the value of son process unexpect exit, convenient to debug
53 }
54 printf("son tarfd = %d\n", tarFd);
55 ret = write(tarFd, "hello world", TAR_STR_LEN);
56 if (ret != TAR_STR_LEN) {
57 exit(11); // 11, the value of son process unexpect exit, convenient to debug
58 }
59 printf("write first status: %d\n", ret);
60 close(tarFd);
61 exit(RED_FLAG);
62 }
63
64 tarFd = open(pathname, O_RDONLY, 0777); // 0777, file athurioty
65 printf("son tarfd = %d\n", tarFd);
66 ICUNIT_GOTO_NOT_EQUAL(tarFd, -1, tarFd, EXIT);
67 sleep(1);
68 ret = read(tarFd, buffer, TAR_STR_LEN);
69 ICUNIT_GOTO_EQUAL(ret, TAR_STR_LEN, ret, EXIT);
70 ret = strcmp(buffer, "hello world");
71 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
72 printf("read fifo success: %s\n", buffer);
73 wait(&ret);
74 ICUNIT_GOTO_EQUAL(WEXITSTATUS(ret), RED_FLAG, WEXITSTATUS(ret), EXIT);
75
76 close(tarFd);
77 remove(pathname);
78 printf("mkfifo ok\n");
79 return LOS_OK;
80 EXIT:
81 close(tarFd);
82 EXIT1:
83 remove(pathname);
84 return LOS_NOK;
85 }
86
ItIpcMkfifo003(void)87 VOID ItIpcMkfifo003(void)
88 {
89 TEST_ADD_CASE(__FUNCTION__, Testcase, TEST_LIB, TEST_LIBC, TEST_LEVEL1, TEST_FUNCTION);
90 }
91