rt-thread/examples/kernel/thread_detach.c

119 lines
3.0 KiB
C
Raw Normal View History

2013-01-08 21:05:02 +08:00
/*
* 线
*
* 线线线
*/
#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)
{
2013-12-21 12:51:52 +08:00
rt_uint32_t count = 0;
2013-01-08 21:05:02 +08:00
2013-12-21 12:51:52 +08:00
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 ++);
}
2013-01-08 21:05:02 +08:00
}
/* 线程2入口 */
static void thread2_entry(void* parameter)
{
2013-12-21 12:51:52 +08:00
/* 线程2拥有较高的优先级以抢占线程1而获得执行 */
2013-01-08 21:05:02 +08:00
2013-12-21 12:51:52 +08:00
/* 线程2启动后先睡眠10个OS Tick */
rt_thread_delay(10);
2013-01-08 21:05:02 +08:00
2013-12-21 12:51:52 +08:00
/*
* 线2线1线1线
*/
rt_thread_detach(&thread1);
2013-01-08 21:05:02 +08:00
2013-12-21 12:51:52 +08:00
/*
* 线210OS Tick然后退出
*/
rt_thread_delay(10);
2013-01-08 21:05:02 +08:00
2013-12-21 12:51:52 +08:00
/*
* 线2线
*/
2013-01-08 21:05:02 +08:00
}
int thread_detach_init()
{
2013-12-21 12:51:52 +08:00
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;
2013-01-08 21:05:02 +08:00
}
#ifdef RT_USING_TC
static void _tc_cleanup()
{
2013-12-21 12:51:52 +08:00
/* 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();
2013-01-08 21:05:02 +08:00
2013-12-21 12:51:52 +08:00
/* 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);
2013-01-08 21:05:02 +08:00
2013-12-21 12:51:52 +08:00
/* 调度器解锁 */
rt_exit_critical();
2013-01-08 21:05:02 +08:00
2013-12-21 12:51:52 +08:00
/* 设置TestCase状态 */
tc_done(TC_STAT_PASSED);
2013-01-08 21:05:02 +08:00
}
int _tc_thread_detach()
{
2013-12-21 12:51:52 +08:00
/* 设置TestCase清理回调函数 */
tc_cleanup(_tc_cleanup);
thread_detach_init();
2013-01-08 21:05:02 +08:00
2013-12-21 12:51:52 +08:00
/* 返回TestCase运行的最长时间 */
return 25;
2013-01-08 21:05:02 +08:00
}
/* 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()
{
2013-12-21 12:51:52 +08:00
thread_detach_init();
2013-01-08 21:05:02 +08:00
2013-12-21 12:51:52 +08:00
return 0;
2013-01-08 21:05:02 +08:00
}
#endif