\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5×\D6?\BDê\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2€ \00 $\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4ê\E9\F2á\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// ################################################################################ # # $Revision: 19 $ # $Author: mhx $ # $Date: 2010/05/23 10:37:46 +0200 $ # ################################################################################ # # Version 2.x, Copyright (C) 2007-2010, Marcus Holland-Moritz . # Version 1.x, Copyright (C) 1997, Graham Barr . # # This program is free software; you can redistribute it and/or # modify it under the same terms as Perl itself. # ################################################################################ package IPC::Msg; use IPC::SysV qw(IPC_STAT IPC_SET IPC_RMID); use strict; use vars qw($VERSION); use Carp; $VERSION = do { my @r = '$Snapshot: /IPC-SysV/2.03 $' =~ /(\d+\.\d+(?:_\d+)?)/; @r ? $r[0] : '9.99' }; $VERSION = eval $VERSION; # Figure out if we have support for native sized types my $N = do { my $foo = eval { pack "L!", 0 }; $@ ? '' : '!' }; { package IPC::Msg::stat; use Class::Struct qw(struct); struct 'IPC::Msg::stat' => [ uid => '$', gid => '$', cuid => '$', cgid => '$', mode => '$', qnum => '$', qbytes => '$', lspid => '$', lrpid => '$', stime => '$', rtime => '$', ctime => '$', ]; } sub new { @_ == 3 || croak 'new IPC::Msg ( KEY , FLAGS )'; my $class = shift; my $id = msgget($_[0],$_[1]); defined($id) ? bless \$id, $class : undef; } sub id { my $self = shift; $$self; } sub stat { my $self = shift; my $data = ""; msgctl($$self,IPC_STAT,$data) or return undef; IPC::Msg::stat->new->unpack($data); } sub set { my $self = shift; my $ds; if(@_ == 1) { $ds = shift; } else { croak 'Bad arg count' if @_ % 2; my %arg = @_; $ds = $self->stat or return undef; my($key,$val); $ds->$key($val) while(($key,$val) = each %arg); } msgctl($$self,IPC_SET,$ds->pack); } sub remove { my $self = shift; (msgctl($$self,IPC_RMID,0), undef $$self)[0]; } sub rcv { @_ <= 5 && @_ >= 3 or croak '$msg->rcv( BUF, LEN, TYPE, FLAGS )'; my $self = shift; my $buf = ""; msgrcv($$self,$buf,$_[1],$_[2] || 0, $_[3] || 0) or return; my $type; ($type,$_[0]) = unpack("l$N a*",$buf); $type; } sub snd { @_ <= 4 && @_ >= 3 or croak '$msg->snd( TYPE, BUF, FLAGS )'; my $self = shift; msgsnd($$self,pack("l$N a*",$_[0],$_[1]), $_[2] || 0); } 1; __END__ =head1 NAME IPC::Msg - SysV Msg IPC object class =head1 SYNOPSIS use IPC::SysV qw(IPC_PRIVATE S_IRUSR S_IWUSR); use IPC::Msg; $msg = IPC::Msg->new(IPC_PRIVATE, S_IRUSR | S_IWUSR); $msg->snd($msgtype, $msgdata); $msg->rcv($buf, 256); $ds = $msg->stat; $msg->remove; =head1 DESCRIPTION A class providing an object based interface to SysV IPC message queues. =head1 METHODS =over 4 =item new ( KEY , FLAGS ) Creates a new message queue associated with C. A new queue is created if =over 4 =item * C is equal to C =item * C does not alread