#!/usr/bin/perl

exit if (! -e "/usr/include/linux/posix_types.h");
exit if (-e '/var/cpanel/disable_patchfdsetsize');


$hassmallfd = 0;

open(BITSTYPES,"/usr/include/linux/posix_types.h");
while(<BITSTYPES>) {
	if (/FD_SETSIZE/ && /\#define/ && /1024/) {
		$hassmallfd = 1;
        }
	push(@BT,$_);
}
close(BITSTYPES);


if (!$hassmallfd) { exit; }


open(BITSTYPES,">/usr/include/linux/posix_types.h");
foreach(@BT) {
	if (/FD_SETSIZE/ && /\#define/ && /1024/) {
		s/1024/16384/g;
	}
	print BITSTYPES;
}
close(BITSTYPES);