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_process.h"
32 
33 static int g_signal = 0;
34 
Handler(int sig)35 static void Handler(int sig)
36 {
37     g_signal = sig;
38 }
39 
TestCase(void)40 static int TestCase(void)
41 {
42     void (*retSig)(int);
43     int status;
44     int ret;
45     retSig = signal(SIGUSR1, Handler);
46     ICUNIT_ASSERT_NOT_EQUAL(retSig, SIG_ERR, retSig);
47 
48     pid_t pid = fork();
49     ICUNIT_GOTO_WITHIN_EQUAL(pid, 0, 100000, pid, EXIT); // 100000, assert pid equal to this.
50 
51     if (pid == 0) {
52         ret = killpg(getpgrp(), SIGUSR1);
53         ICUNIT_ASSERT_EQUAL(ret, 0, ret);
54         exit(10); // 10, exit args
55     }
56 
57     while (g_signal == 0) {
58         sleep(1);
59     }
60     ICUNIT_ASSERT_EQUAL(g_signal, SIGUSR1, g_signal);
61 
62     ret = wait(&status);
63     ICUNIT_ASSERT_EQUAL(ret, pid, ret);
64 
65     status = WEXITSTATUS(status);
66     ICUNIT_ASSERT_EQUAL(status, 10, status); // 10, assert that function Result is equal to this.
67 
68     return 0;
69 EXIT:
70     return 1;
71 }
72 
ItTestProcess053(void)73 void ItTestProcess053(void)
74 {
75     TEST_ADD_CASE("IT_POSIX_PROCESS_053", TestCase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
76 }