IPC::Msg - SysV Msg IPC object class
IPC::Msg - SysV Msg IPC object class
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;
new ( KEY , FLAGS )
Creates a new message queue associated with KEY. A new queue is
created if
KEY is equal to IPC_PRIVATE
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
Remove and destroy the message queue from the system.
set ( STAT )
set ( NAME => VALUE [, NAME => VALUE ...] )
setstat
uid
gid
mode (oly the permission bits)
qbytes
setstatname -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
the IPC::SysV manpage the Class::Struct manpage
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.
IPC::Msg - SysV Msg IPC object class
