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-rw-r--r--examples/kernel/thread_priority.c104
1 files changed, 104 insertions, 0 deletions
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
+