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
OldAction(int signum)34 static void OldAction(int signum)
35 {
36 (void)signum;
37 printf("Here is the old action\n");
38 }
39
NewAction(int signum)40 static void NewAction(int signum)
41 {
42 (void)signum;
43 printf("Here is the new action\n");
44 }
45
TestSigaction(void)46 static int TestSigaction(void)
47 {
48 int retValue, status;
49 int fpid = fork();
50 if (fpid == 0) {
51 struct sigaction curAction, oldAction;
52 curAction.sa_handler = OldAction;
53 retValue = sigemptyset(&curAction.sa_mask);
54 if (retValue != 0) {
55 exit(retValue);
56 }
57 curAction.sa_flags = 0;
58
59 printf("Execute Signal\n");
60 retValue = sigaction(SIGINT, &curAction, NULL);
61 if (retValue != 0) {
62 exit(retValue);
63 }
64 retValue = raise(SIGINT);
65 if (retValue != 0) {
66 exit(retValue);
67 }
68 printf("\n\n");
69
70 printf("Test backup\n");
71 retValue = sigaction(SIGINT, &curAction, &oldAction);
72 if (retValue != 0) {
73 exit(retValue);
74 }
75 curAction.sa_handler = NewAction;
76 retValue = sigaction(SIGINT, &curAction, NULL);
77 if (retValue != 0) {
78 exit(retValue);
79 }
80 retValue = sigaction(SIGALRM, &oldAction, NULL);
81 if (retValue != 0) {
82 exit(retValue);
83 }
84 retValue = raise(SIGINT);
85 if (retValue != 0) {
86 exit(retValue);
87 }
88 retValue = raise(SIGALRM);
89 if (retValue != 0) {
90 exit(retValue);
91 }
92 printf("\n\n");
93
94 exit(0);
95 }
96
97 retValue = waitpid(fpid, &status, 0);
98 ICUNIT_ASSERT_EQUAL(retValue, fpid, retValue);
99 ICUNIT_ASSERT_EQUAL(WEXITSTATUS(status), 0, WEXITSTATUS(status));
100
101 return 0;
102 }
103
ItPosixSignal024(void)104 void ItPosixSignal024(void)
105 {
106 TEST_ADD_CASE(__FUNCTION__, TestSigaction, TEST_POSIX, TEST_SIGNAL, TEST_LEVEL0, TEST_FUNCTION);
107 }
108