Mass Deface
[
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