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IPC::Msg(3pm) Perl Programmers Reference Guide IPC::Msg(3pm)
IPC::Msg - SysV Msg IPC object class
use IPC::SysV qw(IPC_PRIVATE S_IRWXU);
$msg = new IPC::Msg(IPC_PRIVATE, S_IRWXU);
$ds = $msg->stat;
A class providing an object based interface to SysV IPC message queues.
new ( KEY , FLAGS )
Creates a new message queue associated with "KEY". A new queue is created if
o "KEY" is equal to "IPC_PRIVATE"
o "KEY" does not already have a message queue associated with it, and "FLAGS &
IPC_CREAT" is true.
On creation of a new message queue "FLAGS" is used to set the permissions.
id Returns the system message queue identifier.
rcv ( BUF, LEN [, TYPE [, FLAGS ]] )
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 ( STAT )
set ( NAME => VALUE [, NAME => VALUE ...] )
"set" will set the following values of the "stat" structure associated with the mes-
mode (oly the permission bits)
"set" accepts either a stat object, as returned by the "stat" method, or a list of
snd ( TYPE, MSG [, FLAGS ] )
Place a message on the queue with the data from "MSG" and with type "TYPE". See
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 docu-
Graham Barr <email@example.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.
perl v5.8.0 2002-06-01 IPC::Msg(3pm)
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