kernel_liteos_a/testsuites/unittest/signal/smoke/signal_test_011.cpp

96 lines
3.4 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"
static void SigPrint(int sig)
{
return;
}
static int TestSigTimeWait()
{
sigset_t set;
int sig, fpid, retValue, status;
siginfo_t si;
struct timespec ts;
void (*retSig)(int);
ts.tv_sec = 2; // 2, set the sec of timeout.
ts.tv_nsec = 0;
retSig = signal(SIGALRM, SigPrint);
ICUNIT_ASSERT_NOT_EQUAL(retSig, NULL, retSig);
retSig = signal(SIGUSR1, SigPrint);
ICUNIT_ASSERT_NOT_EQUAL(retSig, NULL, retSig);
retValue = sigemptyset(&set);
ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
retValue = sigaddset(&set, SIGALRM);
ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
retValue = sigaddset(&set, SIGUSR1);
ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
int count = 0;
fpid = fork();
ICUNIT_ASSERT_WITHIN_EQUAL(fpid, 0, UINT_MAX, fpid);
if (fpid == 0) {
printf("sig wait begin\n");
while (1) {
retValue = sigtimedwait(&set, &si, &ts);
if (retValue == -1 && errno != EAGAIN) {
exit(errno);
}
printf("sig wait end\n");
count++;
if (count == 3) { // 3, Possible values for the current parameter
break;
}
}
exit(0);
}
sleep(1);
retValue = kill(fpid, SIGUSR1);
ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
sleep(1);
retValue = kill(fpid, SIGALRM);
ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
retValue = waitpid(fpid, &status, 0);
ICUNIT_ASSERT_EQUAL(retValue, fpid, retValue);
ICUNIT_ASSERT_EQUAL(WEXITSTATUS(status), 0, WEXITSTATUS(status));
signal(SIGALRM, SIG_DFL);
signal(SIGUSR1, SIG_DFL);
return 0;
}
void ItPosixSignal011(void)
{
TEST_ADD_CASE(__FUNCTION__, TestSigTimeWait, TEST_POSIX, TEST_SIGNAL, TEST_LEVEL0, TEST_FUNCTION);
}