diff options
| author | bernard.xiong <[email protected]> | 2010-03-20 15:15:54 +0000 |
|---|---|---|
| committer | bernard.xiong <[email protected]> | 2010-03-20 15:15:54 +0000 |
| commit | 911d17912560a274f1faef33a09882406ab5190a (patch) | |
| tree | f330f3b0ba74d701cf8cc913ee231ce0e108b039 /examples/kernel/thread_static_simple.c | |
| parent | dd7cbec8d9f5e405b429dd1e76bd352022d9a0fa (diff) | |
add more thread example and Chinese comments.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@519 bbd45198-f89e-11dd-88c7-29a3b14d5316
Diffstat (limited to 'examples/kernel/thread_static_simple.c')
| -rw-r--r-- | examples/kernel/thread_static_simple.c | 62 |
1 files changed, 39 insertions, 23 deletions
diff --git a/examples/kernel/thread_static_simple.c b/examples/kernel/thread_static_simple.c index 24514c1a5e..61005fd23b 100644 --- a/examples/kernel/thread_static_simple.c +++ b/examples/kernel/thread_static_simple.c @@ -1,78 +1,95 @@ +/*
+ * 程序清单：静态线程
+ *
+ * 这个程序会初始化2个静态线程，它们拥有共同的入口函数，但参数不相同
+ */
#include <rtthread.h>
#include "tc_comm.h"
-/*
- * This is an example for static thread
- */
+/* 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;
-static char thread1_stack[THREAD_STACK_SIZE];
-static char thread2_stack[THREAD_STACK_SIZE];
+/* 线程2栈 */
+static rt_uint8_t thread2_stack[THREAD_STACK_SIZE];
+/* 线程入口 */
static void thread_entry(void* parameter)
{
rt_uint32_t count = 0;
- rt_uint32_t no = (rt_uint32_t) parameter;
+ rt_uint32_t no = (rt_uint32_t) parameter; /* 获得正确的入口参数 */
while (1)
{
+ /* 打印线程计数值输出 */
rt_kprintf("thread%d count: %d\n", no, count ++);
+
+ /* 休眠10个OS Tick */
rt_thread_delay(10);
}
}
-rt_err_t thread_static_simple_init()
+int thread_static_simple_init()
{
rt_err_t result;
- result = rt_thread_init(&thread1,
- "t1",
- thread_entry, (void*)1,
- &thread1_stack[0], sizeof(thread1_stack),
+ /* 初始化线程1 */
+ result = rt_thread_init(&thread1, "t1", /* 线程名：t1 */
+ thread_entry, (void*)1, /* 线程的入口是thread_entry，入口参数是1 */
+ &thread1_stack[0], sizeof(thread1_stack), /* 线程栈是thread1_stack */
THREAD_PRIORITY, 10);
- if (result == RT_EOK)
+ 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);
- result = rt_thread_init(&thread2,
- "t2",
- thread_entry, (void*)2,
- &thread2_stack[0], sizeof(thread2_stack),
+ /* 初始化线程2 */
+ result = rt_thread_init(&thread2, "t2", /* 线程名：t2 */
+ thread_entry, RT_NULL, /* 线程的入口是thread_entry，入口参数是2 */
+ &thread2_stack[0], sizeof(thread2_stack), /* 线程栈是thread2_stack */
THREAD_PRIORITY + 1, 10);
- if (result == RT_EOK)
+ 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 result;
+ return 0;
}
#ifdef RT_USING_TC
static void _tc_cleanup()
{
- /* lock scheduler */
+ /* 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);
- /* unlock scheduler */
+ /* 调度器解锁 */
rt_exit_critical();
+
+ /* 设置TestCase状态 */
+ tc_done(TC_STAT_PASSED);
}
int _tc_thread_static_simple()
{
- /* set tc cleanup */
+ /* 设置TestCase清理回调函数 */
tc_cleanup(_tc_cleanup);
thread_static_simple_init();
- return 20;
+ /* 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_thread_static_simple, a static thread example);
#else
+/* 用户应用入口 */
int rt_application_init()
{
thread_static_simple_init();
@@ -80,4 +97,3 @@ int rt_application_init() return 0;
}
#endif
-
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