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 TAR_STR_LEN = 12;
35
Testcase(VOID)36 static UINT32 Testcase(VOID)
37 {
38 int pipeFd[2], ret; // 2, pipe return 2 file descirpter
39 fd_set reads;
40 ret = pipe(pipeFd);
41 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
42 ret = write(pipeFd[1], "Hello World", TAR_STR_LEN);
43 printf("write first status: %d\n", ret);
44 ICUNIT_GOTO_EQUAL(ret, TAR_STR_LEN, ret, EXIT);
45 FD_ZERO(&reads);
46 FD_SET(pipeFd[0], &reads);
47 ret = select(pipeFd[0] + 1, &reads, NULL, NULL, NULL);
48 ICUNIT_GOTO_EQUAL(ret, 1, ret, EXIT);
49 ret = FD_ISSET(pipeFd[0], &reads);
50 ICUNIT_GOTO_NOT_EQUAL(ret, 0, ret, EXIT);
51 close(pipeFd[0]);
52 close(pipeFd[1]);
53 printf("-------------------FD_ISSET ok------------\n");
54 return LOS_OK;
55 EXIT:
56 close(pipeFd[0]);
57 close(pipeFd[1]);
58 return LOS_NOK;
59 }
60
ItIpcFdIsset001(void)61 VOID ItIpcFdIsset001(void)
62 {
63 TEST_ADD_CASE(__FUNCTION__, Testcase, TEST_LIB, TEST_LIBC, TEST_LEVEL1, TEST_FUNCTION);
64 }
65