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