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 signum)35 static void SigPrint(int signum)
36 {
37 g_sigCount++;
38 printf("signal receive success\n");
39 }
40
TestCase(VOID)41 static UINT32 TestCase(VOID)
42 {
43 int pid;
44 int ret, status;
45 sigset_t newset;
46 struct sigaction act;
47
48 act.sa_handler = SigPrint;
49 sigemptyset(&act.sa_mask);
50 act.sa_flags = 0;
51 pid = fork();
52 if (pid < 0) {
53 printf("Fork error\n");
54 return LOS_NOK;
55 } else if (pid == 0) {
56 ret = sigaction(SIGUSR1, &act, nullptr);
57 if (ret != 0) {
58 exit(LOS_NOK);
59 }
60 sigemptyset(&newset);
61 sigaddset(&newset, SIGCHLD);
62 ret = sigsuspend(&newset);
63 printf("ret = %d errno = %d EINTR = %d\n", ret, errno, EINTR);
64 if (ret != -1 || errno != EINTR) {
65 exit(LOS_NOK);
66 }
67
68 ret = sigsuspend(NULL);
69 if (ret != -1) {
70 exit(ret);
71 }
72 if (errno != EFAULT) {
73 exit(errno);
74 }
75
76 ret = sigsuspend(reinterpret_cast<sigset_t *>(2)); // 2, suspend signal num.
77 if (ret != -1) {
78 exit(ret);
79 }
80 if (errno != EFAULT) {
81 exit(errno);
82 }
83
84 ret = sigpending(NULL);
85 if (ret != -1) {
86 exit(ret);
87 }
88 if (errno != EFAULT) {
89 exit(errno);
90 }
91
92 ret = sigpending(reinterpret_cast<sigset_t *>(2)); // 2, pending signal num.
93 if (ret != -1) {
94 exit(ret);
95 }
96 if (errno != EFAULT) {
97 exit(errno);
98 }
99 exit(LOS_OK);
100 }
101 sleep(1);
102 ret = kill(pid, SIGUSR1);
103 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
104 printf("kill success\n");
105 ret = waitpid(pid, &status, 0);
106 ICUNIT_ASSERT_EQUAL(ret, pid, ret);
107 ICUNIT_ASSERT_EQUAL(WEXITSTATUS(status), LOS_OK, WEXITSTATUS(status));
108
109 return LOS_OK;
110 }
111
ItPosixSignal029(void)112 void ItPosixSignal029(void)
113 {
114 TEST_ADD_CASE(__FUNCTION__, TestCase, TEST_POSIX, TEST_SIGNAL, TEST_LEVEL0, TEST_FUNCTION);
115 }