• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 = "/mkfifotest2";
43     char *dir = "/dev";
44     errno_t ret1 = strncpy_s(pathname, NAME_BUF_SIZE, dir, strlen(dir));
45     ICUNIT_ASSERT_EQUAL(ret1, EOK, ret1);
46 
47     ret1 = strcat_s(pathname, NAME_BUF_SIZE, filename);
48     ICUNIT_ASSERT_EQUAL(ret1, EOK, ret1);
49 
50     ret = mkfifo(pathname, 0777); // 0777, file athurioty
51     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT1);
52     spid = fork();
53     ICUNIT_GOTO_NOT_EQUAL(ret, -1, ret, EXIT1);
54     if (spid == 0) {
55         sleep(1);
56         tarFd = open(pathname, O_WRONLY, 0777); // 0777, file athurioty
57         if (tarFd == -1) {
58             exit(12); // 12, the value of son process unexpect exit, convenient to debug
59         }
60         printf("son tarfd = %d\n", tarFd);
61         ret = write(tarFd, "hello world", TAR_STR_LEN);
62         if (ret != TAR_STR_LEN) {
63             exit(11); // 11, the value of son process unexpect exit, convenient to debug
64         }
65         printf("write first status: %d\n", ret);
66         close(tarFd);
67         exit(RED_FLAG);
68     }
69 
70     tarFd = open(pathname, O_RDONLY, 0777); // 0777, file athurioty
71     printf("son tarfd = %d\n", tarFd);
72     ICUNIT_GOTO_NOT_EQUAL(tarFd, -1, tarFd, EXIT);
73     ret = read(tarFd, buffer, TAR_STR_LEN);
74     ICUNIT_GOTO_EQUAL(ret, TAR_STR_LEN, ret, EXIT);
75     ret = strcmp(buffer, "hello world");
76     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
77     printf("read fifo success: %s\n", buffer);
78     wait(&ret);
79     ICUNIT_GOTO_EQUAL(WEXITSTATUS(ret), RED_FLAG, WEXITSTATUS(ret), EXIT);
80 
81     close(tarFd);
82     remove(pathname);
83     printf("mkfifo ok\n");
84     return LOS_OK;
85 EXIT:
86     close(tarFd);
87 EXIT1:
88     remove(pathname);
89     return LOS_NOK;
90 }
91 
ItIpcMkfifo002(void)92 VOID ItIpcMkfifo002(void)
93 {
94     TEST_ADD_CASE(__FUNCTION__, Testcase, TEST_LIB, TEST_LIBC, TEST_LEVEL1, TEST_FUNCTION);
95 }
96