106 lines
3.6 KiB
C++
106 lines
3.6 KiB
C++
/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "it_test_signal.h"
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#include "signal.h"
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#include "sys/wait.h"
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static const int SIG_TEST_COUNT = 3;
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static int g_sigCount = 0;
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static void SigPrint(int sig)
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{
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g_sigCount++;
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}
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static int TestRaise()
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{
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int count = 0;
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int status = 0;
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int fpid;
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int fatherPid;
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int sonPid;
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void (*ret)(int) = NULL;
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int retValue;
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g_sigCount = 0;
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ret = signal(SIGTERM, SigPrint);
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ICUNIT_ASSERT_NOT_EQUAL(ret, NULL, ret);
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retValue = raise(SIGTERM);
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ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
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fatherPid = getpid();
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fpid = fork();
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// fpid check err
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ICUNIT_ASSERT_WITHIN_EQUAL(fpid, 0, UINT_MAX, fpid);
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if (fpid == 0) {
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while (1) {
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usleep(500000); // 500000, Used to calculate the delay time.
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count++;
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if (g_sigCount == SIG_TEST_COUNT) {
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break;
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}
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// check child process num
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// 0 means count should be positive and 2 controls the upper bound of count
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if ((count) < (0) || (count) > (SIG_TEST_COUNT * 2)) {
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exit(count);
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}
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}
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exit(0);
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} else { // parent threa
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sonPid = fpid;
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usleep(10); // 10, Used to calculate the delay time.
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while (1) {
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retValue = kill(sonPid, SIGTERM);
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sleep(1);
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count++;
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if (count == SIG_TEST_COUNT) {
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break;
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}
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}
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retValue = waitpid(sonPid, &status, 0);
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ICUNIT_ASSERT_EQUAL(retValue, sonPid, retValue);
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ICUNIT_ASSERT_EQUAL(WEXITSTATUS(status), 0, WEXITSTATUS(status));
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}
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return g_sigCount;
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}
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static int TestCase(void)
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{
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int count = TestRaise();
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// count should be 1, for global variables are not shared between different processors
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ICUNIT_ASSERT_EQUAL(count, 1, count);
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return 0;
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}
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void ItPosixSignal003(void)
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{
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TEST_ADD_CASE("IT_POSIX_SIGNAL_003", TestCase, TEST_POSIX, TEST_SIGNAL, TEST_LEVEL0, TEST_FUNCTION);
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}
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