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 const int SIG_TEST_COUNT = 3;
36 static int g_sigCount = 0;
SigPrint(int sig)37 static void SigPrint(int sig)
38 {
39 g_sigCount++;
40 }
41
42 /* child process kill msg to father , father receive msg and do func , wake up the pend thread */
TestRaiseWake()43 static int TestRaiseWake()
44 {
45 int count = 0;
46 int fpid;
47 int fatherPid;
48 int status, retValue;
49 void (*retSig)(int);
50
51 g_sigCount = 0;
52 retSig = signal(SIGTERM, SigPrint);
53 ICUNIT_ASSERT_NOT_EQUAL(retSig, NULL, retSig);
54 fatherPid = getpid();
55 fpid = fork();
56 // fpid check err
57 ICUNIT_ASSERT_WITHIN_EQUAL(fpid, 0, UINT_MAX, fpid);
58 if (fpid == 0) {
59 while (1) {
60 retValue = kill(fatherPid, SIGTERM);
61 if (retValue != 0) {
62 exit(retValue);
63 }
64 usleep(100000); // 100000, Used to calculate the delay time.
65 count++;
66 if (count == SIG_TEST_COUNT) {
67 break;
68 }
69 }
70 exit(0);
71 } else { // parent threa
72 usleep(10); // 10, Used to calculate the delay time.
73 while (1) {
74 count++;
75 usleep(3000); // 3000, Used to calculate the delay time.
76 if (g_sigCount == SIG_TEST_COUNT) {
77 break;
78 }
79 // check child process num
80 ICUNIT_ASSERT_WITHIN_EQUAL(count, 0, SIG_TEST_COUNT * 30, count); // 30, assert that function Result is equal to this.
81 }
82 retValue = waitpid(fpid, &status, 0);
83 ICUNIT_ASSERT_EQUAL(retValue, fpid, retValue);
84 ICUNIT_ASSERT_EQUAL(WEXITSTATUS(status), 0, WEXITSTATUS(status));
85 }
86 return g_sigCount;
87 }
88
TestCase(void)89 static int TestCase(void)
90 {
91 int retValue, status;
92
93 int fpid = fork();
94 if (fpid == 0) {
95 retValue = TestRaiseWake();
96 if (retValue != SIG_TEST_COUNT) {
97 exit(retValue);
98 }
99 exit(0);
100 }
101 retValue = waitpid(fpid, &status, 0);
102 ICUNIT_ASSERT_EQUAL(retValue, fpid, retValue);
103 ICUNIT_ASSERT_EQUAL(WEXITSTATUS(status), 0, WEXITSTATUS(status));
104 return 0;
105 }
106
ItPosixSignal004(void)107 void ItPosixSignal004(void)
108 {
109 TEST_ADD_CASE("IT_POSIX_SIGNAL_004", TestCase, TEST_POSIX, TEST_SIGNAL, TEST_LEVEL0, TEST_FUNCTION);
110 }
111