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IPC::Msg - SysV Msg IPC object class |
NAME
IPC::Msg - SysV Msg IPC object class
SUPPORTED PLATFORMS
- Linux
- Solaris
SYNOPSIS
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;
DESCRIPTION
METHODS
- new ( KEY , FLAGS )
-
Creates a new message queue associated with
KEY. A new queue is created if-
KEYis equal toIPC_PRIVATE -
KEYdoes not already have a message queue associated with it, andFLAGS & IPC_CREATis true.
On creation of a new message queue
FLAGSis 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
- Remove and destroy the message queue from the system.
- set ( STAT )
- set ( NAME => VALUE [, NAME => VALUE ...] )
-
setwill set the following values of thestatstructure associated with the message queue.uid gid mode (oly the permission bits) qbytessetaccepts either a stat object, as returned by thestatmethod, or a list of name-value pairs. - snd ( TYPE, MSG [, FLAGS ] )
-
Place a message on the queue with the data from
MSGand with typeTYPE. See msgsnd. - stat
-
Returns an object of type
IPC::Msg::statwhich is a sub-class ofClass::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
SEE ALSO
the IPC::SysV manpage the Class::Struct manpage
AUTHOR
Graham Barr <gbarr@pobox.com>
COPYRIGHT
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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IPC::Msg - SysV Msg IPC object class |