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 = 1;
38 }
39
TestPauseNormal()40 static int TestPauseNormal()
41 {
42 void (*retSig)(int);
43 int retValue;
44
45 int status;
46 errno = 0;
47 retSig = signal(SIGPWR, SigPrint);
48 ICUNIT_ASSERT_NOT_EQUAL(retSig, NULL, retSig);
49 ICUNIT_ASSERT_EQUAL(errno, 0, errno);
50
51 int fpid = fork();
52 ICUNIT_ASSERT_WITHIN_EQUAL(fpid, 0, UINT_MAX, fpid);
53 if (fpid == 0) {
54 printf("child pause 1\n");
55 sigset_t newset;
56 sigemptyset(&newset);
57 sigprocmask(SIG_SETMASK, &newset, nullptr);
58 sigaddset(&newset, SIGUSR1);
59 sigprocmask(SIG_BLOCK, &newset, nullptr);
60 int ret1 = pause();
61 printf("child pause end 1 retSig = %d, errno=%d\n", ret1, errno);
62 exit(errno);
63 }
64
65 sleep(1);
66 printf("father kill SIGUSR1 child not exec\n");
67 retValue = kill(fpid, SIGUSR1);
68 sleep(1);
69 printf("father sleep then send signal to wake child\n");
70
71 retValue = kill(fpid, SIGPWR);
72 ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
73 retValue = waitpid(fpid, &status, 0);
74 ICUNIT_ASSERT_EQUAL(retValue, fpid, retValue);
75 ICUNIT_ASSERT_EQUAL(WEXITSTATUS(status), EINTR, WEXITSTATUS(status));
76
77 /* Child pause, then father kill child */
78 fpid = fork();
79 ICUNIT_ASSERT_WITHIN_EQUAL(fpid, 0, UINT_MAX, fpid);
80 if (fpid == 0) {
81 printf("child pause 2\n");
82 pause();
83 if (g_sigCount != 1) {
84 exit(g_sigCount);
85 }
86 printf("child pause end 2\n");
87 exit(0);
88 }
89 printf("father sleep 2 then send signal to wake child\n");
90 sleep(1);
91 printf("father kill fpid = %d\n", fpid);
92 retValue = kill(fpid, SIGKILL);
93 ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
94 retValue = waitpid(fpid, &status, 0);
95 ICUNIT_ASSERT_EQUAL(retValue, fpid, retValue);
96 ICUNIT_ASSERT_EQUAL(WIFEXITED(status), 0, WIFEXITED(status));
97 ICUNIT_ASSERT_EQUAL(WIFSIGNALED(status), 1, WIFSIGNALED(status));
98 ICUNIT_ASSERT_EQUAL(WTERMSIG(status), SIGKILL, WTERMSIG(status));
99
100 return 0;
101 }
102
ItPosixSignal015(void)103 void ItPosixSignal015(void)
104 {
105 TEST_ADD_CASE(__FUNCTION__, TestPauseNormal, TEST_POSIX, TEST_SIGNAL, TEST_LEVEL0, TEST_FUNCTION);
106 }
107