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 #define INVALID_SIG 1000
34
SigPrint(int signum)35 static void SigPrint(int signum)
36 {
37 printf("Signal Triggered\n");
38 }
39
TestCase(VOID)40 static UINT32 TestCase(VOID)
41 {
42 int ret, sig;
43 struct itimerval newValue, oldValue;
44 siginfo_t info;
45 sigset_t newset;
46 struct timespec timeout;
47
48 timeout.tv_nsec = 0;
49 timeout.tv_sec = 1;
50
51 int fpid, status;
52 fpid = fork();
53 if (fpid == 0) {
54 (void)signal(SIGCHLD, SigPrint);
55 sigemptyset(&newset);
56 sigaddset(&newset, SIGCHLD);
57 ret = sigtimedwait(&newset, &info, &timeout);
58 if (ret != -1) {
59 exit(ret);
60 }
61 if (errno != EAGAIN) {
62 exit(errno);
63 }
64 printf("---------------\n");
65
66 sigemptyset(&newset);
67 sigaddset(&newset, SIGCHLD);
68 timeout.tv_nsec = 1;
69 timeout.tv_sec = -1;
70 ret = sigtimedwait(&newset, &info, &timeout);
71 printf("ret = %d errno = %d EINVAL = %d\n", ret, errno, EINVAL);
72 if (ret != -1) {
73 exit(ret);
74 }
75 if (errno != EINVAL) {
76 exit(errno);
77 }
78
79 sigemptyset(&newset);
80 sigaddset(&newset, SIGCHLD);
81 timeout.tv_nsec = 1;
82 timeout.tv_sec = 3; // 3, set the sec of timeout.
83 ret = sigtimedwait(&newset, reinterpret_cast<siginfo_t *>(2), &timeout); // 2, wait for signal num
84 printf("ret = %d errno = %d EFAULT = %d\n", ret, errno, EFAULT);
85 if (ret != -1) {
86 exit(ret);
87 }
88 if (errno != EFAULT) {
89 exit(errno);
90 }
91 exit(0);
92 }
93
94 sleep(2); // 2, sleep 10 second.
95 kill(fpid, SIGCHLD);
96 ret = waitpid(fpid, &status, 0);
97 ICUNIT_ASSERT_EQUAL(ret, fpid, ret);
98 ICUNIT_ASSERT_EQUAL(WEXITSTATUS(status), 0, WEXITSTATUS(status));
99 return LOS_OK;
100 }
101
ItPosixSignal026(void)102 void ItPosixSignal026(void)
103 {
104 TEST_ADD_CASE(__FUNCTION__, TestCase, TEST_POSIX, TEST_SIGNAL, TEST_LEVEL0, TEST_FUNCTION);
105 }