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# Copyright (c) 2014, cPanel, Inc. # All rights reserved. # http://cpanel.net/ # # This is free software; you can redistribute it and/or modify it under the same # terms as Perl itself. See the LICENSE file for further details. package Filesys::POSIX::Mem; use strict; use warnings; use Filesys::POSIX::Bits; use Filesys::POSIX::Mem::Inode (); =head1 NAME Filesys::POSIX::Mem - Filesystem whose logical structure resides solely in program memory =head1 DESCRIPTION C<Filesys::POSIX::Mem> provides a filesystem whose structure and, to a large extent, contents of regular files, exist solely in program memory as Perl data structures and string buffers. Regular file data up to a certain size can exist entirely in memory; files exceeding that size are dumped to temporary files backed by L<File::Temp>. =head1 MOUNT OPTIONS =over =item C<bucket_dir> Allows one to specify the directory in which temporary bucket files which back regular file data are to be created and kept. =item C<bucket_max> Specifies the maximum size, in bytes, of a regular file as it is kept in memory before being flushed to a bucket file in disk. The default value is, as per L<Filesys::POSIX::Mem::Inode>, C<16384> bytes. =back =cut sub new { my ($class) = @_; my $fs = bless {}, $class; $fs->{'root'} = Filesys::POSIX::Mem::Inode->new( 'mode' => $S_IFDIR | 0755, 'dev' => $fs ); return $fs; } sub init { my ( $self, %flags ) = @_; $self->{'flags'} = \%flags; return $self; } =head1 SEE ALSO =over =item L<Filesys::POSIX::Mem::Inode> C<Filesys::POSIX::Mem> implementation of the inode construct. =item L<Filesys::POSIX::Mem::Bucket> C<Filesys::POSIX::Mem> implementation of file handles associated with regular file data. =item L<Filesys::POSIX::Mem::Directory> C<Filesys::POSIX::Mem> implementation of directory iterable directory structures as defined by the L<Filesys::POSIX::Directory> interface. =back =cut 1; __END__ =head1 AUTHOR Written by Xan Tronix <xan@cpan.org> =head1 CONTRIBUTORS =over =item Rikus Goodell <rikus.goodell@cpanel.net> =item Brian Carlson <brian.carlson@cpanel.net> =back =head1 COPYRIGHT Copyright (c) 2014, cPanel, Inc. Distributed under the terms of the Perl Artistic license.
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