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在学习Node.js in practice, 在fs一章节遇到一个问题是:如何对单独文件进行原子操作?
例如经典的例子就是两个进程对同一个文件同时进行写入操作.
一般的解决方案:1) 使用系统层的原子读写操作.(但是Node.js貌似没有Unix系统层的读写文件API)2) 通过加锁和解锁来操作.
但是在Node.js的fs模块来说,如何解决这个问题?
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Node does not have multi-threading, so you can implement lock control in your own logic, but I don’t know if you enable multi-process mode
Implement a node c++ addon yourself.
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Node does not have multi-threading, so you can implement lock control in your own logic, but I don’t know if you enable multi-process mode
Implement a node c++ addon yourself.