Update chapter5_process.md

3 years ago · 1e0400c682
parent abefc65cf9
commit 1e0400c682
1 changed files with 2 additions and 2 deletions
--- a/chapter5_process.md
+++ b/chapter5_process.md
@ -978,7 +978,7 @@ $ git commit -a -m "my work on lab3_3 is done."

 <a name="lab3_challenge1_wait"></a>

-# 5.5 lab3_challenge1 挑战一：进程等待和数据段复制
+## 5.5 lab3_challenge1 挑战一：进程等待和数据段复制（难度：&#9733;&#9733;&#9734;&#9734;&#9734;）

 <a name="lab3_challenge1_app"></a>

@ -1114,7 +1114,7 @@ $ git merge lab3_3_rrsched -m "continue to work on lab3_challenge1"

 <a name="lab3_challenge2_semaphore"></a>

-# 5.6 lab3_challenge2 挑战二：实现信号量
+## 5.6 lab3_challenge2 挑战二：实现信号量（难度：&#9733;&#9733;&#9733;&#9734;&#9734;）

 <a name="lab3_challenge2_app"></a>