From 02a5a77b4a86cd62011d747eafb27cbccb2aa1d2 Mon Sep 17 00:00:00 2001
From: cxs <19511928573@163.com>
Date: Wed, 18 Sep 2024 21:29:12 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=BA=E4=B8=AD=E6=96=AD=E7=A4=BA=E4=BE=8B?=
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---
 .../programming-manual/interrupt/interrupt.md                  | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md b/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md
index dab926d..6483c68 100644
--- a/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md
+++ b/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md
@@ -371,6 +371,7 @@ void rt_hw_interrupt_enable(rt_base_t level);
 ```c
     /* 关闭中断 */
     level = rt_hw_interrupt_disable();
+    /* 执行互斥操作 */
     a = a + value;
     /* 恢复中断 */
     rt_hw_interrupt_enable(level);
@@ -381,6 +382,7 @@ void rt_hw_interrupt_enable(rt_base_t level);
 ```c
     /* 获得信号量锁 */
     rt_sem_take(sem_lock, RT_WAITING_FOREVER);
+    /* 执行互斥操作 */
     a = a + value;
     /* 释放信号量锁 */
     rt_sem_release(sem_lock);
@@ -511,6 +513,7 @@ void thread_entry(void *parameter)
     {
         /* 关闭全局中断 */
         level = rt_hw_interrupt_disable();
+        /* 执行互斥操作 */
         cnt += no;
         /* 恢复全局中断 */
         rt_hw_interrupt_enable(level);
-- 
Gitee