这个和网卡的event-notify是一样的逻辑，内核看到有什么事情发生，可以通知到用户，然后用户可以根据自己的需求做一些处理。第一次看到，记录一下算是可以日后可以用到的功能。
man inotify。
inotify – monitoring filesystem events
描述： The inotify API provides a mechanism for monitoring filesystem events. Inotify can be used to monitor individual files, or to monitor directories. When a directory is monitored, inotify will return events for the directory itself, and for files inside the directory.
The following system calls are used with this API:
* inotify_init(2) creates an inotify instance and returns a file descriptor referring to the inotify instance. The more recent inotify_init1(2) is like inotify_init(2), but has a flags argument that provides access to some extra functionality.
-
inotify_add_watch(2) manipulates the “watch list” associated with an inotify instance. Each item (“watch”) in the watch list specifies the pathname of a file or directory, along with some set of events th
原文地址:https://blog.csdn.net/qq_36428903/article/details/134725984
本文来自互联网用户投稿，该文观点仅代表作者本人，不代表本站立场。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。
如若转载，请注明出处：http://www.7code.cn/show_29164.html
如若内容造成侵权/违法违规/事实不符，请联系代码007邮箱：suwngjj01@126.com进行投诉反馈，一经查实，立即删除！
