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
34 static int g_sigCount = 0;
SigPrint(int sig)35 static void SigPrint(int sig)
36 {
37 g_sigCount++;
38 }
39
SigPrint1(int sig)40 static void SigPrint1(int sig)
41 {
42 g_sigCount += 100; // 100, Used to calculate the progress of the program.
43 }
44
TestSigWait()45 static int TestSigWait()
46 {
47 sigset_t set;
48 int sig, fpid, retValue, status;
49 void (*retSig)(int);
50 signal(SIGCHLD, SIG_DFL);
51 retSig = signal(SIGALRM, SigPrint1);
52 ICUNIT_ASSERT_NOT_EQUAL(retSig, NULL, retSig);
53
54 retSig = signal(SIGUSR1, SigPrint1);
55 ICUNIT_ASSERT_NOT_EQUAL(retSig, NULL, retSig);
56 retValue = sigemptyset(&set);
57 ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
58 retValue = sigaddset(&set, SIGALRM);
59 ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
60 retValue = sigaddset(&set, SIGUSR1);
61 ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
62 int count = 0;
63 fpid = fork();
64 ICUNIT_ASSERT_WITHIN_EQUAL(fpid, 0, UINT_MAX, fpid);
65 if (fpid == 0) {
66 printf("sig wait begin\n");
67 while (1) {
68 retValue = sigwait(&set, &sig);
69 if (retValue != 0) {
70 exit(retValue);
71 }
72 printf("sig wait end\n");
73 count++;
74 if (count == 3) { // 3, Possible values for the current parameter
75 break;
76 }
77 }
78 exit(0);
79 }
80 sleep(1);
81 retValue = kill(fpid, SIGUSR1);
82 ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
83 sleep(1);
84 retValue = kill(fpid, SIGALRM);
85 ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
86 sleep(1);
87 retValue = kill(fpid, SIGALRM);
88 ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
89
90 retValue = waitpid(fpid, &status, 0);
91 ICUNIT_ASSERT_EQUAL(retValue, fpid, retValue);
92 ICUNIT_ASSERT_EQUAL(WEXITSTATUS(status), 0, WEXITSTATUS(status));
93
94 signal(SIGALRM, SIG_DFL);
95 signal(SIGUSR1, SIG_DFL);
96 return 0;
97 }
98
ItPosixSignal010(void)99 void ItPosixSignal010(void)
100 {
101 TEST_ADD_CASE(__FUNCTION__, TestSigWait, TEST_POSIX, TEST_SIGNAL, TEST_LEVEL0, TEST_FUNCTION);
102 }
103