kern/59081: Add close_range() system call

[rbranco%suse.de@localhost]

>Number:         59081
>Category:       kern
>Synopsis:       Add close_range() system call
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    kern-bug-people
>State:          open
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Sun Feb 16 20:25:00 +0000 2025
>Originator:     Ricardo Branco
>Release:        
>Organization:
>Environment:
NetBSD netbsdx.fritz.box 10.99.12 NetBSD 10.99.12 (CUSTOM) amd64

>Description:
Add close_range() system call

Adapt existing code in compat_linux for close_range and make it use the new native system call

An existing test case for closefrom(3) was adapted and extended for close_range(2)
>How-To-Repeat:

>Fix:
https://github.com/NetBSD/src/pull/43