88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
/*
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* Copyright (c) 2006-2024, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2024-08-10 RV the first version
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*/
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#include <rtthread.h>
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#include "utest.h"
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/**
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* @brief Thread Preemption Test with Different Priorities.
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*
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* @note Create multiple threads, low-priority threads run first,
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* high-priority threads preempt low-priority threads, and
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* print the current status of each core in the thread's entry function.
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*/
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#define THREAD_PRIORITY_HIGH 21
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#define THREAD_PRIORITY_LOW 30
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#define THREAD_STACK_SIZE UTEST_THR_STACK_SIZE
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static rt_thread_t threads[2];
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static struct rt_spinlock lock;
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/* High Priority Thread */
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static void thread_high_entry(void *parameter)
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{
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uassert_true(1);
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rt_spin_lock(&lock);
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rt_kprintf("High priority thread is running\n");
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extern long list_thread(void);
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list_thread();
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rt_spin_unlock(&lock);
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}
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/* Low Priority Thread */
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static void thread_low_entry(void *parameter)
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{
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uassert_true(1);
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rt_spin_lock(&lock);
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rt_kprintf("Low priority thread is running\n");
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extern long list_thread(void);
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list_thread();
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rt_spin_unlock(&lock);
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}
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static void thread_preemptions_tc(void)
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{
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/* Creating low-priority thread */
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threads[0] = rt_thread_create("tlow", thread_low_entry, RT_NULL, THREAD_STACK_SIZE, THREAD_PRIORITY_LOW, 10);
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if (threads[0] != RT_NULL)
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{
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uassert_true(1);
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rt_thread_startup(threads[0] );
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}
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rt_thread_delay(5);
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/* Creating high-priority thread */
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threads[1] = rt_thread_create("thigh", thread_high_entry, RT_NULL, THREAD_STACK_SIZE, THREAD_PRIORITY_HIGH, 10);
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if (threads[1] != RT_NULL)
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{
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uassert_true(1);
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rt_thread_startup(threads[1]);
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}
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rt_thread_delay(50);
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}
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static rt_err_t utest_tc_init(void)
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{
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rt_spin_lock_init(&lock);
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return RT_EOK;
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}
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static rt_err_t utest_tc_cleanup(void)
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{
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return RT_EOK;
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}
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static void testcase(void)
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{
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UTEST_UNIT_RUN(thread_preemptions_tc);
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}
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UTEST_TC_EXPORT(testcase, "testcases.smp.thread_preemptions_tc", utest_tc_init, utest_tc_cleanup, 10);
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