How to check if a file has been opened by another application in C++?

Question

I know, that there\'s the is_open() function in C++, but I want one program to check if a file hasn\'t been opened by another application. Is there any way to d

Answer 1

There's a command-line too and API that have been added to the Linux kernel and do just that: inotify.

Here's the man page.