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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 #include "sys/wait.h"
34 
35 static int g_sigCount = 0;
SigPrint(int sig)36 static void SigPrint(int sig)
37 {
38     (void)sig;
39     g_sigCount++;
40 }
41 
TestRaiseIgnore(void)42 static int TestRaiseIgnore(void)
43 {
44     int sig = SIGPWR;
45     void *ret;
46     int retValue;
47 
48     g_sigCount = 0;
49     // trigger one
50     ret = reinterpret_cast<void *>(signal(sig, SigPrint));
51     ICUNIT_ASSERT_NOT_EQUAL(ret, NULL, ret);
52 
53     retValue = raise(sig);
54     ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
55 
56     usleep(1000); // 1000, Used to calculate the delay time.
57     // trigger ignore
58     ret = reinterpret_cast<void *>(signal(sig, SIG_IGN));
59     ICUNIT_ASSERT_NOT_EQUAL(ret, NULL, ret);
60 
61     retValue = raise(sig);
62     ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
63     // trigger one
64     ret = reinterpret_cast<void *>(signal(sig, SigPrint));
65     ICUNIT_ASSERT_NOT_EQUAL(ret, NULL, ret);
66     retValue = raise(sig);
67     ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
68     return g_sigCount;
69 }
70 
TestCase(void)71 static int TestCase(void)
72 {
73     int count;
74 
75     count = TestRaiseIgnore();
76     // the signal should be triggered twice
77     ICUNIT_ASSERT_EQUAL(count, 2, count); // 2, assert that function Result is equal to this.
78     return 0;
79 }
80 
ItPosixSignal002(void)81 void ItPosixSignal002(void)
82 {
83     TEST_ADD_CASE("IT_POSIX_SIGNAL_002", TestCase, TEST_POSIX, TEST_SIGNAL, TEST_LEVEL0, TEST_FUNCTION);
84 }
85