IPC::Msg
See the current Perl documentation for IPC::Msg.
Here is our local, out-dated (pre-5.6) version:
IPC::Msg - SysV Msg
IPC object class
use IPC::SysV qw(IPC_PRIVATE S_IRWXU S_IRWXG S_IRWXO);
use IPC::Msg;
$msg = new IPC::Msg(IPC_PRIVATE, S_IRWXU | S_IRWXG | S_IRWXO);
$msg->snd(pack("L a*",$msgtype,$msg));
$msg->rcv($buf,256);
- new ( KEY , FLAGS )
-
Creates a new message queue associated with
KEY .
A new queue is created if
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
- remove
-
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 message queue.
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.
- snd ( TYPE, MSG [, FLAGS ] )
-
Place a message on the queue with the data from
MSG and with type TYPE . See msgsnd.
- stat
-
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.
uid
gid
cuid
cgid
mode
qnum
qbytes
lspid
lrpid
stime
rtime
ctime
SysV 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.
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