add heap and semaphore examples.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@501 bbd45198-f89e-11dd-88c7-29a3b14d5316

examples/kernel/semaphore_static.c

@@ -0,0 +1,102 @@
+#include <rtthread.h>
+#include "tc_comm.h"
+
+static struct rt_semaphore sem;
+struct rt_thread thread;
+static char thread_stack[THREAD_STACK_SIZE];
+static void thread_entry(void* parameter)
+{
+	rt_err_t result;
+	rt_tick_t tick;
+
+	/* get current tick */
+	tick = rt_tick_get();
+
+	/* take a semaphore for 10 OS Tick */
+	result = rt_sem_take(&sem, 10);
+	if (result == -RT_ETIMEOUT)
+	{
+		if (rt_tick_get() - tick != 10)
+		{
+			tc_done(TC_STAT_FAILED);
+			rt_sem_detach(&sem);
+			return;
+		}
+		rt_kprintf("take semaphore timeout");
+	}
+	else
+	{
+		tc_done(TC_STAT_FAILED);
+		rt_sem_detach(&sem);
+		return;
+	}
+
+	/* release semaphore one time */
+	rt_sem_release(&sem);
+
+	result = rt_sem_take(&sem, RT_WAITING_FOREVER);
+	if (result != RT_EOK)
+	{
+		tc_done(TC_STAT_FAILED);
+		rt_sem_detach(&sem);
+		return;
+	}
+
+	/* testcase passed */
+	tc_done(TC_STAT_PASSED);
+	/* detach semaphore */
+	rt_sem_detach(&sem);
+}
+
+int semaphore_static_init()
+{
+	rt_err_t result;
+
+	result = rt_sem_init(&sem, "sem", 0, RT_IPC_FLAG_FIFO);
+	if (result != RT_EOK)
+	{
+		tc_stat(TC_STAT_END | TC_STAT_FAILED);
+		return 0;
+	}
+
+	result = rt_thread_init(&thread, "test",
+		thread_entry, RT_NULL,
+		thread_stack, THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
+	if (result == RT_EOK)
+		rt_thread_startup(&thread);
+	else
+		tc_stat(TC_STAT_END | TC_STAT_FAILED);
+
+	return 0;
+}
+
+#ifdef RT_USING_TC
+static void _tc_cleanup()
+{
+	/* lock scheduler */
+	rt_enter_critical();
+
+	if (thread.stat != RT_THREAD_CLOSE)
+		rt_thread_detach(&thread);
+
+	/* unlock scheduler */
+	rt_exit_critical();
+}
+
+int _tc_semaphore_static()
+{
+	/* set tc cleanup */
+	tc_cleanup(_tc_cleanup);
+	semaphore_static_init();
+
+	return 30;
+}
+FINSH_FUNCTION_EXPORT(_tc_semaphore_static, a static semaphore test);
+#else
+int rt_application_init()
+{
+	semaphore_static_init();
+
+	return 0;
+}
+#endif