123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127 |
- /*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- *
- */
- /*
- * 程序清单:线程脱离
- *
- * 这个例子会创建两个线程,在其中一个线程中执行对另一个线程的脱离。
- */
- #include <rtthread.h>
- #include "tc_comm.h"
- /* 线程1控制块 */
- static struct rt_thread thread1;
- /* 线程1栈 */
- static rt_uint8_t thread1_stack[THREAD_STACK_SIZE];
- /* 线程2控制块 */
- static struct rt_thread thread2;
- /* 线程2栈 */
- static rt_uint8_t thread2_stack[THREAD_STACK_SIZE];
- /* 线程1入口 */
- static void thread1_entry(void* parameter)
- {
- rt_uint32_t count = 0;
- while (1)
- {
- /* 线程1采用低优先级运行,一直打印计数值 */
- rt_kprintf("thread count: %d\n", count ++);
- }
- }
- /* 线程2入口 */
- static void thread2_entry(void* parameter)
- {
- /* 线程2拥有较高的优先级,以抢占线程1而获得执行 */
- /* 线程2启动后先睡眠10个OS Tick */
- rt_thread_delay(10);
- /*
- * 线程2唤醒后直接执行线程1脱离,线程1将从就绪线程队列中删除
- */
- rt_thread_detach(&thread1);
- /*
- * 线程2继续休眠10个OS Tick然后退出
- */
- rt_thread_delay(10);
- /*
- * 线程2运行结束后也将自动被从就绪队列中删除,并脱离线程队列
- */
- }
- int thread_detach_init()
- {
- rt_err_t result;
- /* 初始化线程1 */
- result = rt_thread_init(&thread1, "t1", /* 线程名:t1 */
- thread1_entry, RT_NULL, /* 线程的入口是thread1_entry,入口参数是RT_NULL*/
- &thread1_stack[0], sizeof(thread1_stack), /* 线程栈是thread1_stack */
- THREAD_PRIORITY, 10);
- if (result == RT_EOK) /* 如果返回正确,启动线程1 */
- rt_thread_startup(&thread1);
- else
- tc_stat(TC_STAT_END | TC_STAT_FAILED);
- /* 初始化线程2 */
- result = rt_thread_init(&thread2, "t2", /* 线程名:t2 */
- thread2_entry, RT_NULL, /* 线程的入口是thread2_entry,入口参数是RT_NULL*/
- &thread2_stack[0], sizeof(thread2_stack), /* 线程栈是thread2_stack */
- THREAD_PRIORITY - 1, 10);
- if (result == RT_EOK) /* 如果返回正确,启动线程2 */
- rt_thread_startup(&thread2);
- else
- tc_stat(TC_STAT_END | TC_STAT_FAILED);
- return 0;
- }
- #ifdef RT_USING_TC
- static void _tc_cleanup()
- {
- /* 调度器上锁,上锁后,将不再切换到其他线程,仅响应中断 */
- rt_enter_critical();
- /* 执行线程脱离 */
- if (thread1.stat != RT_THREAD_CLOSE)
- rt_thread_detach(&thread1);
- if (thread2.stat != RT_THREAD_CLOSE)
- rt_thread_detach(&thread2);
- /* 调度器解锁 */
- rt_exit_critical();
- /* 设置TestCase状态 */
- tc_done(TC_STAT_PASSED);
- }
- int _tc_thread_detach()
- {
- /* 设置TestCase清理回调函数 */
- tc_cleanup(_tc_cleanup);
- thread_detach_init();
- /* 返回TestCase运行的最长时间 */
- return 25;
- }
- /* 输出函数命令到finsh shell中 */
- FINSH_FUNCTION_EXPORT(_tc_thread_detach, a static thread example);
- #else
- /* 用户应用入口 */
- int rt_application_init()
- {
- thread_detach_init();
- return 0;
- }
- #endif
|