From 57d236efbdfd68e7f235f3a2d7c4b2c1170eefb7 Mon Sep 17 00:00:00 2001
From: taynpg <taynpg@163.com>
Date: Tue, 14 Jan 2025 00:11:00 +0800
Subject: [PATCH] =?UTF-8?q?add=EF=BC=9A=E9=94=81?=
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 cpp/lock.md | 9 +++++++++
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 create mode 100644 cpp/lock.md

diff --git a/cpp/lock.md b/cpp/lock.md
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+# 锁
+
+假如有一种操作高频率的使用锁，有什么提效的方法？
+
+## 按照块分区，降低锁抢占的密度。
+
+## 读写锁
+
+如果更新操作少，读取操作多。读写锁`shared_mutex`。
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