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-rw-r--r--examples/kernel/semaphore_buffer_worker.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/examples/kernel/semaphore_buffer_worker.c b/examples/kernel/semaphore_buffer_worker.c
index db3285c74b..5e4723b417 100644
--- a/examples/kernel/semaphore_buffer_worker.c
+++ b/examples/kernel/semaphore_buffer_worker.c
@@ -1,4 +1,13 @@
/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ *
+ */
+
+/*
* 程序清单:信号量实现生产者消费者间的互斥
*
* 在这个程序中,会创建两个线程,一个是生成者线程worker一个是消费者线程thread