kernel_liteos_a/testsuites/unittest/signal/smoke/signal_test_004.cpp

111 lines
3.8 KiB
C++

/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "it_test_signal.h"
#include "signal.h"
#include "sys/wait.h"
static const int SIG_TEST_COUNT = 3;
static int g_sigCount = 0;
static void SigPrint(int sig)
{
g_sigCount++;
}
/* child process kill msg to father , father receive msg and do func , wake up the pend thread */
static int TestRaiseWake()
{
int count = 0;
int fpid;
int fatherPid;
int status, retValue;
void (*retSig)(int);
g_sigCount = 0;
retSig = signal(SIGTERM, SigPrint);
ICUNIT_ASSERT_NOT_EQUAL(retSig, NULL, retSig);
fatherPid = getpid();
fpid = fork();
// fpid check err
ICUNIT_ASSERT_WITHIN_EQUAL(fpid, 0, UINT_MAX, fpid);
if (fpid == 0) {
while (1) {
retValue = kill(fatherPid, SIGTERM);
if (retValue != 0) {
exit(retValue);
}
usleep(100000); // 100000, Used to calculate the delay time.
count++;
if (count == SIG_TEST_COUNT) {
break;
}
}
exit(0);
} else { // parent threa
usleep(10); // 10, Used to calculate the delay time.
while (1) {
count++;
usleep(3000); // 3000, Used to calculate the delay time.
if (g_sigCount == SIG_TEST_COUNT) {
break;
}
// check child process num
ICUNIT_ASSERT_WITHIN_EQUAL(count, 0, SIG_TEST_COUNT * 30, count); // 30, assert that function Result is equal to this.
}
retValue = waitpid(fpid, &status, 0);
ICUNIT_ASSERT_EQUAL(retValue, fpid, retValue);
ICUNIT_ASSERT_EQUAL(WEXITSTATUS(status), 0, WEXITSTATUS(status));
}
return g_sigCount;
}
static int TestCase(void)
{
int retValue, status;
int fpid = fork();
if (fpid == 0) {
retValue = TestRaiseWake();
if (retValue != SIG_TEST_COUNT) {
exit(retValue);
}
exit(0);
}
retValue = waitpid(fpid, &status, 0);
ICUNIT_ASSERT_EQUAL(retValue, fpid, retValue);
ICUNIT_ASSERT_EQUAL(WEXITSTATUS(status), 0, WEXITSTATUS(status));
return 0;
}
void ItPosixSignal004(void)
{
TEST_ADD_CASE("IT_POSIX_SIGNAL_004", TestCase, TEST_POSIX, TEST_SIGNAL, TEST_LEVEL0, TEST_FUNCTION);
}