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.TH IPC::Msg 3 "2001-09-21" "perl v5.8.8" "Perl Programmers Reference Guide"
IPC::Msg \- SysV Msg IPC object class
\& use IPC::SysV qw(IPC_PRIVATE S_IRWXU);
\& $msg = new IPC::Msg(IPC_PRIVATE, S_IRWXU);
\& $msg->snd(pack("l! a*",$msgtype,$msg));
A class providing an object based interface to SysV \s-1IPC\s0 message queues.
.IP "new ( \s-1KEY\s0 , \s-1FLAGS\s0 )" 4
.IX Item "new ( KEY , FLAGS )"
Creates a new message queue associated with \f(CW\*(C`KEY\*(C'\fR. A new queue is
\&\f(CW\*(C`KEY\*(C'\fR is equal to \f(CW\*(C`IPC_PRIVATE\*(C'\fR
\&\f(CW\*(C`KEY\*(C'\fR does not already have a message queue
associated with it, and \f(CW\*(C`\f(CI\s-1FLAGS\s0\f(CW & IPC_CREAT\*(C'\fR is true.
On creation of a new message queue \f(CW\*(C`FLAGS\*(C'\fR is used to set the
Returns the system message queue identifier.
.IP "rcv ( \s-1BUF\s0, \s-1LEN\s0 [, \s-1TYPE\s0 [, \s-1FLAGS\s0 ]] )" 4
.IX Item "rcv ( BUF, LEN [, TYPE [, FLAGS ]] )"
Read a message from the queue. Returns the type of the message read.
See msgrcv. The \s-1BUF\s0 becomes tainted.
Remove and destroy the message queue from the system.
.IP "set ( \s-1STAT\s0 )" 4
.IP "set ( \s-1NAME\s0 => \s-1VALUE\s0 [, \s-1NAME\s0 => \s-1VALUE\s0 ...] )" 4
.IX Item "set ( NAME => VALUE [, NAME => VALUE ...] )"
\&\f(CW\*(C`set\*(C'\fR will set the following values of the \f(CW\*(C`stat\*(C'\fR structure associated
\& mode (oly the permission bits)
\&\f(CW\*(C`set\*(C'\fR accepts either a stat object, as returned by the \f(CW\*(C`stat\*(C'\fR method,
or a list of \fIname\fR\-\fIvalue\fR pairs.
.IP "snd ( \s-1TYPE\s0, \s-1MSG\s0 [, \s-1FLAGS\s0 ] )" 4
.IX Item "snd ( TYPE, MSG [, FLAGS ] )"
Place a message on the queue with the data from \f(CW\*(C`MSG\*(C'\fR and with type \f(CW\*(C`TYPE\*(C'\fR.
Returns an object of type \f(CW\*(C`IPC::Msg::stat\*(C'\fR which is a sub-class of
\&\f(CW\*(C`Class::Struct\*(C'\fR. It provides the following fields. For a description
of these fields see you system documentation.
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.
projects / OpenSPARC-T2-SAM / blob