From 6ccd04543c7928151d9b4fb782470e7d8f3e1e14 Mon Sep 17 00:00:00 2001
From: "bernard.xiong" <bernard.xiong@gmail.com>
Date: Mon, 1 Mar 2010 09:37:59 +0000
Subject: add thread example.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@456 bbd45198-f89e-11dd-88c7-29a3b14d5316
---
 examples/kernel/thread_priority.c | 104 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 examples/kernel/thread_priority.c

(limited to 'examples/kernel/thread_priority.c')

diff --git a/examples/kernel/thread_priority.c b/examples/kernel/thread_priority.c
new file mode 100644
index 0000000000..7864a91232
--- /dev/null
+++ b/examples/kernel/thread_priority.c
@@ -0,0 +1,104 @@
+#include <rtthread.h>
+#include "tc_comm.h"
+
+struct rt_thread thread1;
+struct rt_thread thread2;
+static char thread1_stack[THREAD_STACK_SIZE];
+static char thread2_stack[THREAD_STACK_SIZE];
+static rt_uint32_t count = 0;
+
+/*
+ * the priority of thread1 > the priority of thread2
+ */
+void thread1_entry(void* parameter)
+{
+	while (1)
+	{
+		count ++;
+		rt_kprintf("count = %d\n", count);
+
+		rt_thread_delay(10);
+	}
+}
+
+void thread2_entry(void* parameter)
+{
+	rt_tick_t tick;
+
+	tick = rt_tick_get();
+	while (1)
+	{
+		if (rt_tick_get() - tick >= 100)
+		{
+			if (count == 0)
+				tc_done(TC_STAT_FAILED);
+			else
+				tc_done(TC_STAT_PASSED);
+
+			break;
+		}
+	}
+}
+
+int thread_priority_init()
+{
+	rt_err_t result;
+	
+	result = rt_thread_init(&thread1,
+		"t1",
+		thread1_entry, RT_NULL,
+		&thread1_stack[0], sizeof(thread1_stack),
+		THREAD_PRIORITY - 1, THREAD_TIMESLICE);
+	if (result == RT_EOK)
+		rt_thread_startup(&thread1);
+	else
+		tc_stat(TC_STAT_FAILED);
+
+	rt_thread_init(&thread2,
+		"t2",
+		thread2_entry, RT_NULL,
+		&thread2_stack[0], sizeof(thread2_stack),
+		THREAD_PRIORITY + 1, THREAD_TIMESLICE);
+
+	if (result == RT_EOK)
+		rt_thread_startup(&thread2);
+	else
+		tc_stat(TC_STAT_FAILED);
+
+	return 0;
+}
+
+#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();
+}
+int _tc_thread_priority()
+{
+	count = 0;
+
+	/* set tc cleanup */
+	tc_cleanup(_tc_cleanup);
+	thread_priority_init();
+
+	return RT_TICK_PER_SECOND;
+}
+FINSH_FUNCTION_EXPORT(_tc_thread_priority, a priority thread test);
+#else
+int rt_application_init()
+{
+	thread_priority_init();
+
+	return 0;
+}
+#endif
+
-- 
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