IPC::Msg - SysV Msg IPC object class
A class providing an object based interface to SysV IPC message queues.
Creates a new message queue associated with
. A new queue is
is equal to
does not already have a message queue
associated with it, and
FLAGS & IPC_CREAT is true.
On creation of a new message queue
is used to set the
permissions. Be careful not to set any flags that the Sys V
IPC implementation does not allow: in some systems setting
execute bits makes the operations fail.
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.
will set the following values of the
stat structure associated
with the message queue.
- mode (oly the permission bits)
accepts either a stat object, as returned by the
or a list of name-value pairs.
Place a message on the queue with the data from
and with type
Returns an object of type
which is a sub-class of
. It provides the following fields. For a description
of these fields see you system documentation.
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.