From 6a824124551ecb008d9c6831fbd2a195b4cb0cd8 Mon Sep 17 00:00:00 2001
From: lqhao <39197200+Awakeyoyoyo@users.noreply.github.com>
Date: Sun, 5 Jan 2020 14:50:50 +0800
Subject: [PATCH] =?UTF-8?q?Update=20=E8=AE=A1=E7=AE=97=E6=9C=BA=E6=93=8D?=
 =?UTF-8?q?=E4=BD=9C=E7=B3=BB=E7=BB=9F=20-=20=E8=BF=9B=E7=A8=8B=E7=AE=A1?=
 =?UTF-8?q?=E7=90=86.md?=
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哲学家进餐问题那里少了个 think函数
---
 notes/计算机操作系统 - 进程管理.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/notes/计算机操作系统 - 进程管理.md b/notes/计算机操作系统 - 进程管理.md
index 51a2bada..8c5b5a1e 100644
--- a/notes/计算机操作系统 - 进程管理.md	
+++ b/notes/计算机操作系统 - 进程管理.md	
@@ -384,6 +384,13 @@ void check(i) {
         up(&s[i]);
     }
 }
+
+void think(int i) {
+    down(&mutex);
+    state[i] = HUNGRY;
+    up(&mutex);
+}
+
 ```
 
 ## 2. 读者-写者问题