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rwlock's Introduction

rwlock

使用方式

go get github.com/wangfeiso/rwlock

特性说明

为确保锁的公平性,用Lua实现了优先级队列FCFS,当多个客户端获取写锁(排它锁)的时候,先到的会先获得锁。

快速使用

import (
	"github.com/wangfeiso/rwlock"
)

func main() {
    
    // 初始化redis客户端,需要传入redis-server的ip和port
    // 仅支持单机Redis
    rwlock.Init(&rwlock.Options{
        Addr: "127.0.0.1:6379",
    })
    
    //开始使用分布式读写锁
    
    //创建一个锁
    lock := rwlock.New("YourLockKey")
    
    // 加上写锁
    lock.Lock()
    
    // 释放写锁
    lock.Unlock()
    
    // 加上读锁
    lock.RLock()
    
    // 释放读锁
    lock.RUnlock()
    
}

说明

读写锁之间的互斥性如下

互斥性 读锁 写锁
读锁 兼容 互斥
写锁 互斥 互斥

读锁与写锁不能同时存在,读锁和读锁可以同时存在

TODO

  • 补全单元测试

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