IPC::Msg - SysV Msg IPC object class
use IPC::SysV qw(IPC_PRIVATE S_IRWXU); use IPC::Msg; $msg = new IPC::Msg(IPC_PRIVATE, S_IRWXU); $msg->snd(pack("l! a*",$msgtype,$msg)); $msg->rcv($buf,256); $ds = $msg->stat; $msg->remove;
Creates a new message queue associated with KEY. A new queue is created if
KEY
KEY is equal to IPC_PRIVATE
IPC_PRIVATE
KEY does not already have a message queue associated with it, and FLAGS & IPC_CREAT is true.
FLAGS & IPC_CREAT
On creation of a new message queue FLAGS is used to set the permissions.
FLAGS
Returns the system message queue identifier.
Read a message from the queue. Returns the type of the message read. See msgrcv. The BUF becomes tainted.
Remove and destroy the message queue from the system.
set will set the following values of the stat structure associated with the message queue.
set
stat
uid gid mode (oly the permission bits) qbytes
set accepts either a stat object, as returned by the stat method, or a list of name-value pairs.
Place a message on the queue with the data from MSG and with type TYPE. See msgsnd.
MSG
TYPE
Returns an object of type IPC::Msg::stat which is a sub-class of Class::Struct. It provides the following fields. For a description of these fields see you system documentation.
IPC::Msg::stat
Class::Struct
uid gid cuid cgid mode qnum qbytes lspid lrpid stime rtime ctime
IPC::SysV Class::Struct
Graham Barr <gbarr@pobox.com>
Copyright (c) 1997 Graham Barr. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
To install if, copy and paste the appropriate command in to your terminal.
cpanm
cpanm if
CPAN shell
perl -MCPAN -e shell install if
For more information on module installation, please visit the detailed CPAN module installation guide.