rt-thread/examples/kernel/thread_same_priority.c

#include <rtthread.h>
#include "tc_comm.h"

static struct rt_thread thread1;
static struct rt_thread thread2;
static char thread1_stack[THREAD_STACK_SIZE];
static char thread2_stack[THREAD_STACK_SIZE];

volatile static rt_uint32_t t1_count = 0;
volatile static rt_uint32_t t2_count = 0;
static void thread1_entry(void* parameter)
{
	while (1)
	{
		t1_count ++;
	}
}

static void thread2_entry(void* parameter)
{
	while (1)
	{
		t2_count ++;
	}
}

rt_err_t thread_same_priority_init()
{
	rt_err_t result;

	result = rt_thread_init(&thread1,
		"t1",
		thread1_entry, RT_NULL,
		&thread1_stack[0], sizeof(thread1_stack),
		THREAD_PRIORITY, 10);
	if (result == RT_EOK)
		rt_thread_startup(&thread1);
	else
		tc_stat(TC_STAT_END | TC_STAT_FAILED);

	result = rt_thread_init(&thread2,
		"t2",
		thread2_entry, RT_NULL,
		&thread2_stack[0], sizeof(thread2_stack),
		THREAD_PRIORITY, 5);
	if (result == RT_EOK)
		rt_thread_startup(&thread2);
	else
		tc_stat(TC_STAT_END | TC_STAT_FAILED);

	return result;
}

#ifdef RT_USING_TC
static void _tc_cleanup()
{
	/* lock scheduler */
	rt_enter_critical();

	if (thread1.stat != RT_THREAD_CLOSE)
		rt_thread_detach(&thread1);
	if (thread2.stat != RT_THREAD_CLOSE)
		rt_thread_detach(&thread2);

	/* unlock scheduler */
	rt_exit_critical();

	rt_kprintf("t1_count=%d t2_count=%d\n",t1_count,t2_count);

	if (t1_count / t2_count != 2)
		tc_stat(TC_STAT_END | TC_STAT_FAILED);
	else
		tc_done(TC_STAT_PASSED);
}

int _tc_thread_same_priority()
{
	t1_count = 0;
	t2_count = 0;

	/* set tc cleanup */
	tc_cleanup(_tc_cleanup);

	thread_same_priority_init();

	return 100;
}
FINSH_FUNCTION_EXPORT(_tc_thread_same_priority, a same priority thread test);
#else
int rt_application_init()
{
	thread_same_priority_init();

	return 0;
}
#endif