https://metacpan.org/release/Linux-Socket-Accept4
I released Linux::Socket::Accept4 version 0.05(Thanks maxatome).
Linux::Socket::Accept4 supports FreeBSD 10.0 or higher from this version.
(FreeBSD implements accept4 system call at version 10.0).
This module name is confusing now :(
If you have any problems, please report us via github issues.