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
SigPrint(int sig)34 static void SigPrint(int sig)
35 {
36 return;
37 }
38
TestSigTimeWait()39 static int TestSigTimeWait()
40 {
41 sigset_t set;
42 int sig, fpid, retValue, status;
43 siginfo_t si;
44 struct timespec ts;
45 void (*retSig)(int);
46 ts.tv_sec = 2; // 2, set the sec of timeout.
47 ts.tv_nsec = 0;
48 retSig = signal(SIGALRM, SigPrint);
49 ICUNIT_ASSERT_NOT_EQUAL(retSig, NULL, retSig);
50
51 retSig = signal(SIGUSR1, SigPrint);
52 ICUNIT_ASSERT_NOT_EQUAL(retSig, NULL, retSig);
53 retValue = sigemptyset(&set);
54 ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
55 retValue = sigaddset(&set, SIGALRM);
56 ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
57 retValue = sigaddset(&set, SIGUSR1);
58 ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
59 int count = 0;
60 fpid = fork();
61 ICUNIT_ASSERT_WITHIN_EQUAL(fpid, 0, UINT_MAX, fpid);
62 if (fpid == 0) {
63 printf("sig wait begin\n");
64 while (1) {
65 retValue = sigtimedwait(&set, &si, &ts);
66 if (retValue == -1 && errno != EAGAIN) {
67 exit(errno);
68 }
69 printf("sig wait end\n");
70 count++;
71 if (count == 3) { // 3, Possible values for the current parameter
72 break;
73 }
74 }
75 exit(0);
76 }
77 sleep(1);
78 retValue = kill(fpid, SIGUSR1);
79 ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
80 sleep(1);
81 retValue = kill(fpid, SIGALRM);
82 ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
83
84 retValue = waitpid(fpid, &status, 0);
85 ICUNIT_ASSERT_EQUAL(retValue, fpid, retValue);
86 ICUNIT_ASSERT_EQUAL(WEXITSTATUS(status), 0, WEXITSTATUS(status));
87 signal(SIGALRM, SIG_DFL);
88 signal(SIGUSR1, SIG_DFL);
89 return 0;
90 }
91
ItPosixSignal011(void)92 void ItPosixSignal011(void)
93 {
94 TEST_ADD_CASE(__FUNCTION__, TestSigTimeWait, TEST_POSIX, TEST_SIGNAL, TEST_LEVEL0, TEST_FUNCTION);
95 }
96