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Msg (3)
  • >> Msg (3) ( Solaris man: Библиотечные вызовы )
  • 
    
    

    NAME

         IPC::Msg - SysV Msg IPC object class
    
    
    

    SYNOPSIS

             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);
    
             $ds = $msg->stat;
    
             $msg->remove;
    
    
    
    

    DESCRIPTION

    
    

    METHODS

         new ( KEY , FLAGS )
             Creates a new message queue associated with KEY. A new
             queue is created if
    
         o       KEY is equal to IPC_PRIVATE
    
         o       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 the msgrcv manpage
    
         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 the msgsnd manpage.
    
         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
    
    
    
    

    SEE ALSO

         the IPC::SysV manpage the Class::Struct manpage
    
    
    

    AUTHOR

         Graham Barr <[email protected]>
    
    
    

    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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