[Bug 260241] [feature request] Provide a sysctl or fcntl that would return the list of paths for a given file descriptor

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 05 Dec 2021 18:39:01 UTC

Damjan Jovanovic <damjan.jov@gmail.com> changed:

           What    |Removed                     |Added
                 CC|                            |damjan.jov@gmail.com

--- Comment #1 from Damjan Jovanovic <damjan.jov@gmail.com> ---
Wine's file change notifications would also benefit from this

In that patch I've used sysctl with CTL_KERN + KERN_PROC + KERN_PROC_FILEDESC +
pid, but frequent linear searches for each file descriptor are going to be

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