Edit: /usr/lib64/perl5/PerlIO/mmap.pm (600B)
package PerlIO::mmap;
use strict;
use warnings;
our $VERSION = '0.016';
use XSLoader;
XSLoader::load(__PACKAGE__, __PACKAGE__->VERSION);
1;
__END__
=head1 NAME
PerlIO::mmap - Memory mapped IO
=head1 SYNOPSIS
open my $fh, '<:mmap', $filename;
=head1 DESCRIPTION
This layer does C
and C operations by mmap()ing the file if possible, but falls back to the default behavior if not.
=head1 IMPLEMENTATION NOTE
C only exists to use XSLoader to load C code that provides support for using memory mapped IO. One does not need to explicitly C