pthread_test_027.cpp

/*
 * Copyright (c) 2023-2023 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,
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 */
#include "it_pthread_test.h"

static int ChildProcess(void)
{
    int ret;
    int currPolicy = 0;
    volatile unsigned int count = 0;
    struct sched_param currSchedParam = { 0 };
    struct sched_param param = {
        .sched_deadline = 1000000,  /* 1000000, 1s */
        .sched_runtime = 20000,     /* 20000, 20ms */
        .sched_period = 1000000,    /* 1000000, 1s */
    };

    ret = sched_getparam(getpid(), &currSchedParam);
    ICUNIT_ASSERT_EQUAL(ret, 0, ret);

    currPolicy = sched_getscheduler(getpid());
    ICUNIT_ASSERT_EQUAL(currPolicy, SCHED_RR, LOS_NOK);
    currSchedParam.sched_runtime = 0;
    ICUNIT_ASSERT_EQUAL(currSchedParam.sched_deadline, 0, LOS_NOK);
    ICUNIT_ASSERT_EQUAL(currSchedParam.sched_runtime, 0, LOS_NOK);
    ICUNIT_ASSERT_EQUAL(currSchedParam.sched_period, 0, LOS_NOK);

    ret = sched_setscheduler(getpid(), SCHED_DEADLINE, &param);
    ICUNIT_ASSERT_EQUAL(ret, 0, ret);

    currPolicy = sched_getscheduler(getpid());
    ICUNIT_ASSERT_EQUAL(currPolicy, SCHED_DEADLINE, LOS_NOK);

    ret = sched_getparam(getpid(), &currSchedParam);
    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
    ICUNIT_ASSERT_EQUAL(currSchedParam.sched_deadline, 1000000, LOS_NOK);    /* 1000000, 1s */
    ICUNIT_ASSERT_EQUAL(currSchedParam.sched_runtime, 20000, LOS_NOK);       /* 20000, 20ms */
    ICUNIT_ASSERT_EQUAL(currSchedParam.sched_period, 1000000, LOS_NOK);      /* 1000000, 1s */
    return 0;
}

static int TestCase(void)
{
    int ret, pid, status;

    pid = fork();
    if (pid == 0) {
        ret = ChildProcess();
        if (ret != 0) {
            exit(-1);
        }
        exit(0);
    } else if (pid > 0) {
        waitpid(pid, &status, 0);
    } else {
        exit(__LINE__);
    }

    return WEXITSTATUS(status) == 0 ? 0 : -1;
}

void ItTestPthread027(void)
{
    TEST_ADD_CASE("IT_POSIX_PTHREAD_027", TestCase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
}