kernel_liteos_a/testsuites/unittest/signal/smoke/signal_test_016.cpp

/*
 * 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)
{
    printf("%s\n", __FUNCTION__, __LINE__);
}

static void *ThreadSetFunc2(void *arg)
{
    int retValue;

    sigset_t set;
    int sig;
    retValue = sigemptyset(&set);
    ICUNIT_ASSERT_EQUAL_NULL(retValue, 0, retValue);
    retValue = sigaddset(&set, SIGALRM);
    ICUNIT_ASSERT_EQUAL_NULL(retValue, 0, retValue);
    retValue = sigaddset(&set, SIGUSR1);
    ICUNIT_ASSERT_EQUAL_NULL(retValue, 0, retValue);
    int count;

    retValue = sigwait(&set, &sig);
    ICUNIT_ASSERT_EQUAL_NULL(retValue, 0, retValue);
}

static void *ThreadSetDfl(void *arg)
{
    int retValue;

    sigset_t set;
    int sig;
    retValue = sigemptyset(&set);
    ICUNIT_ASSERT_EQUAL_NULL(retValue, 0, retValue);
    retValue = sigaddset(&set, SIGALRM);
    ICUNIT_ASSERT_EQUAL_NULL(retValue, 0, retValue);
    retValue = sigaddset(&set, SIGUSR1);
    ICUNIT_ASSERT_EQUAL_NULL(retValue, 0, retValue);
    int count;

    retValue = sigwait(&set, &sig);
    ICUNIT_ASSERT_EQUAL_NULL(retValue, 0, retValue);
}

static void *ThreadKill(void *arg)
{
    while (1) {
        sleep(1);
    }
}

static int TestMultiPthreadKillPendNormal()
{
    int status, retValue, fpid;
    pthread_t thread, thread1, thread2;

    fpid = fork();
    if (fpid == 0) {
        retValue = pthread_create(&thread1, NULL, ThreadSetDfl, 0);
        if (retValue != 0) {
            exit(retValue);
        }
        retValue = pthread_create(&thread2, NULL, ThreadSetFunc2, 0);
        if (retValue != 0) {
            exit(retValue);
        }
        retValue = pthread_create(&thread, NULL, ThreadKill, 0);
        if (retValue != 0) {
            exit(retValue);
        }

        pthread_join(thread, NULL);
        pthread_join(thread1, NULL);
        pthread_join(thread2, NULL);

        sigset_t set;
        int sig;
        retValue = sigemptyset(&set);
        if (retValue != 0) {
            exit(retValue);
        }
        retValue = sigaddset(&set, SIGALRM);
        if (retValue != 0) {
            exit(retValue);
        }
        retValue = sigaddset(&set, SIGUSR1);
        if (retValue != 0) {
            exit(retValue);
        }
        int count;

        retValue = sigwait(&set, &sig);
        if (retValue != 0) {
            exit(retValue);
        }
        printf("here exit\n");
        exit(0);
    }
    sleep(1);
    /* Father kill child, then it will wake child */
    retValue = kill(fpid, SIGKILL);
    ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
    printf("father wait child dead\n");
    retValue = waitpid(fpid, &status, 0);
    ICUNIT_ASSERT_EQUAL(retValue, fpid, retValue);
    printf("status = %d\n", WEXITSTATUS(status));
    ICUNIT_ASSERT_EQUAL(WIFEXITED(status), 0, WIFEXITED(status));
    ICUNIT_ASSERT_EQUAL(WIFSIGNALED(status), 1, WIFSIGNALED(status));
    ICUNIT_ASSERT_EQUAL(WTERMSIG(status), SIGKILL, WTERMSIG(status));
    return 0;
}

void ItPosixSignal016(void)
{
    TEST_ADD_CASE(__FUNCTION__, TestMultiPthreadKillPendNormal, TEST_POSIX, TEST_SIGNAL, TEST_LEVEL0, TEST_FUNCTION);
}