To avert the problems associated with the file locking mechanism, POSIX introduced record locking via the fcntl() syscall (the pre-POSIX lockf() and flock() syscalls provide the same functionality but ...

A fundamental of file systems since their inception has been their locking mechanisms. These exist so that different users and applications working on the same file (or region of a file) ...

If there’s one feature that I still can’t believe Windows doesn’t have in 2026, it’s the ability to lock files and folders. Sure, your Windows account is already protected by a PIN or password, but ...

I'm trying to control concurrent access to a file in a Win32 application. The file is a SQLite database, and on Windows SQLite opens files via CreateFile() with FILE_SHARE_READ and FILE_SHARE_WRITE ...

Maybe there was a time when you wanted to lock away certain pages in a PDF, but you didn’t have the tools to get it done. Well, those days are over due to the release of an interesting software known ...