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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 
SigAlarm(int)35 static void SigAlarm(int)
36 {
37     printf("alert rings\n");
38 }
39 
TestSigDefActionChild()40 static int TestSigDefActionChild()
41 {
42     int retValue, fpid, status;
43     void (*ret)(int) = NULL;
44 
45     ret = signal(SIGALRM, SigAlarm);
46     ICUNIT_ASSERT_NOT_EQUAL(ret, NULL, ret);
47     retValue = raise(SIGALRM);
48     ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
49     sleep(1);
50     fpid = fork();
51     ICUNIT_ASSERT_WITHIN_EQUAL(fpid, 0, UINT_MAX, fpid);
52     if (fpid == 0) {
53         retValue = raise(SIGALRM);
54         if (retValue != 0) {
55             exit(retValue);
56         }
57         exit(0);
58     }
59     retValue = waitpid(fpid, &status, 0);
60     ICUNIT_ASSERT_EQUAL(retValue, fpid, retValue);
61     ICUNIT_ASSERT_EQUAL(WEXITSTATUS(status), 0, WEXITSTATUS(status));
62     return 0;
63 }
64 
ItPosixSignal006(void)65 void ItPosixSignal006(void)
66 {
67     TEST_ADD_CASE("IT_POSIX_SIGNAL_006", TestSigDefActionChild, TEST_POSIX, TEST_SIGNAL, TEST_LEVEL0, TEST_FUNCTION);
68 }
69