1package PerlIO::mmap; 2use strict; 3use warnings; 4our $VERSION = '0.017'; 5 6use XSLoader; 7XSLoader::load(__PACKAGE__, __PACKAGE__->VERSION); 8 91; 10 11__END__ 12 13=head1 NAME 14 15PerlIO::mmap - Memory mapped IO 16 17=head1 SYNOPSIS 18 19 open my $fh, '<:mmap', $filename; 20 21=head1 DESCRIPTION 22 23This layer does C<read> and C<write> operations by mmap()ing the file if possible, but falls back to the default behavior if not. 24 25=head1 IMPLEMENTATION NOTE 26 27C<PerlIO::mmap> only exists to use XSLoader to load C code that provides support for using memory mapped IO. One does not need to explicitly C<use PerlIO::mmap;>. 28 29=cut 30 31