• 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 #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 }