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
SigPrint(int)34 static void SigPrint(int)
35 {
36 printf("Receive signal. Raise successes\n\n");
37 }
38
TestRaise()39 static int TestRaise()
40 {
41 int sig = SIGINT;
42 void (*ret)(int) = nullptr;
43 int retValue, status;
44
45 int fpid = fork();
46 if (fpid == 0) {
47 printf("Set signal\n");
48 ret = signal(sig, SigPrint);
49 if (ret == nullptr) {
50 exit((int)ret);
51 }
52 retValue = raise(sig);
53 if (retValue != 0) {
54 exit(retValue);
55 }
56
57 usleep(1000); // 1000, Used to calculate the delay time.
58 printf("Set ignore\n");
59 ret = signal(sig, SIG_IGN);
60 if (ret == NULL) {
61 exit((int)ret);
62 }
63 retValue = raise(sig);
64 if (retValue != 0) {
65 exit(retValue);
66 }
67
68 printf("\nReset signal\n");
69 ret = signal(sig, SigPrint);
70 if (ret == NULL) {
71 exit((int)ret);
72 }
73 retValue = raise(sig);
74 if (retValue != 0) {
75 exit(retValue);
76 }
77 exit(0);
78 }
79
80 retValue = waitpid(fpid, &status, 0);
81 ICUNIT_ASSERT_EQUAL(retValue, fpid, retValue);
82 ICUNIT_ASSERT_EQUAL(WEXITSTATUS(status), 0, WEXITSTATUS(status));
83
84 return 0;
85 }
86
ItPosixSignal022(void)87 void ItPosixSignal022(void)
88 {
89 TEST_ADD_CASE(__FUNCTION__, TestRaise, TEST_POSIX, TEST_SIGNAL, TEST_LEVEL0, TEST_FUNCTION);
90 }