diff options
| author | liukangcc <[email protected]> | 2021-12-15 10:09:31 +0800 |
|---|---|---|
| committer | Bernard Xiong <[email protected]> | 2021-12-17 10:24:48 +0800 |
| commit | 0c4e7337373821161e171057b081767a60c2f892 (patch) | |
| tree | 1329255115c1e099c52cadf244011261655e2910 /examples/kernel/semaphore_static.c | |
| parent | 7af733fa3fbfbf161ef2f265d851e5296cc216ac (diff) | |
[update] remove RT_USING_TC
Diffstat (limited to 'examples/kernel/semaphore_static.c')
| -rw-r--r-- | examples/kernel/semaphore_static.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/examples/kernel/semaphore_static.c b/examples/kernel/semaphore_static.c deleted file mode 100644 index 16b043db9c..0000000000 --- a/examples/kernel/semaphore_static.c +++ /dev/null @@ -1,145 +0,0 @@ -/* - * Copyright (c) 2006-2021, RT-Thread Development Team - * - * SPDX-License-Identifier: Apache-2.0 - * - * Change Logs: - * - */ - -/* - * 程序清单:静态信号量 - * - * 这个例子中将创建一个静态信号量(初始值为0 )及一个静态线程,在这个静态线程中 - * 将试图采用超时方式去持有信号量,应该超时返回。然后这个线程释放一次信号量,并 - * 在后面继续采用永久等待方式去持有信号量, 成功获得信号量后返回。 - */ -#include <rtthread.h> -#include "tc_comm.h" - -/* 线程控制块及栈 */ -static struct rt_thread thread; -static rt_uint8_t thread_stack[THREAD_STACK_SIZE]; -/* 信号量控制块 */ -static struct rt_semaphore sem; - -/* 线程入口 */ -static void thread_entry(void* parameter) -{ - rt_err_t result; - rt_tick_t tick; - - /* 获得当前的OS Tick */ - tick = rt_tick_get(); - - /* 试图持有信号量,最大等待10个OS Tick后返回 */ - result = rt_sem_take(&sem, 10); - if (result == -RT_ETIMEOUT) - { - rt_tick_t new_tick = rt_tick_get(); - /* 可以有两个 tick 的误差 */ - if (new_tick - tick >= 12) - { - rt_kprintf("tick error to large: expect: 10, get %d\n", - new_tick - tick); - - tc_done(TC_STAT_FAILED); - rt_sem_detach(&sem); - return; - } - rt_kprintf("take semaphore timeout\n"); - } - else - { - /* 因为没有其他地方是否信号量,所以不应该成功持有信号量,否则测试失败 */ - tc_done(TC_STAT_FAILED); - rt_sem_detach(&sem); - return; - } - - /* 释放一次信号量 */ - rt_sem_release(&sem); - - /* 永久等待方式持有信号量 */ - result = rt_sem_take(&sem, RT_WAITING_FOREVER); - if (result != RT_EOK) - { - /* 不成功则测试失败 */ - tc_done(TC_STAT_FAILED); - rt_sem_detach(&sem); - return; - } - - /* 测试通过 */ - tc_done(TC_STAT_PASSED); - /* 脱离信号量对象 */ - rt_sem_detach(&sem); -} - -int semaphore_static_init(void) -{ - rt_err_t result; - - /* 初始化信号量,初始值是0 */ - result = rt_sem_init(&sem, "sem", 0, RT_IPC_FLAG_PRIO); - if (result != RT_EOK) - { - tc_stat(TC_STAT_END | TC_STAT_FAILED); - return 0; - } - - /* 初始化线程1 */ - result = rt_thread_init(&thread, "thread", /* 线程名:thread */ - thread_entry, RT_NULL, /* 线程的入口是thread_entry,入口参数是RT_NULL*/ - &thread_stack[0], sizeof(thread_stack), /* 线程栈是thread_stack */ - THREAD_PRIORITY, 10); - if (result == RT_EOK) /* 如果返回正确,启动线程1 */ - rt_thread_startup(&thread); - else - tc_stat(TC_STAT_END | TC_STAT_FAILED); - - return 0; -} - -#ifdef RT_USING_TC -static void _tc_cleanup(void) -{ - /* 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 (thread.stat != RT_THREAD_CLOSE) - { - rt_thread_detach(&thread); - - /* 执行信号量对象脱离 */ - rt_sem_detach(&sem); - } - - /* 调度器解锁 */ - rt_exit_critical(); - - /* 设置TestCase状态 */ - tc_done(TC_STAT_PASSED); -} - -int _tc_semaphore_static(void) -{ - /* 设置TestCase清理回调函数 */ - tc_cleanup(_tc_cleanup); - semaphore_static_init(); - - /* 返回TestCase运行的最长时间 */ - return 100; -} -/* 输出函数命令到finsh shell中 */ -FINSH_FUNCTION_EXPORT(_tc_semaphore_static, a static semaphore example); -#else -/* 用户应用入口 */ -int rt_application_init(void) -{ - semaphore_static_init(); - - return 0; -} -#endif |
