mbx_helper(8) — bsd

MBX_HELPER(8)                   Domain/OS BSD                    MBX_HELPER(8)



NAME
     mbx_helper - Establish ability for inter-node interprocess communication

SYNOPSIS
     cps /sys/mbx/mbx_helper

DESCRIPTION
     The mbx_helper is a program residing in the /sys/mbx directory which
     allows your node to handle interprocess communications with other nodes
     also running mbx_helper in your network.  Normally, this program runs in
     a background process, and is started automatically by programs which
     require its services (like SPM, the Server Process Manager).  You may
     start it manually, if you wish, by using the DM commands cpo or cps
     either from the keyboard or from within a DM startup script.  You should
     probably use cps so that the process persists across user logins and
     carries a system SID.

     mbx_helper takes a standard CL command line with the following options:

     -maxchan channels     Specify the maximum number of remote channels
                           to/from this node using mbx.  The default is 128.

     -datasize byte_count  Specify the queue data size for each channel.  This
                           is the maximum number of bytes that can be buffered
                           at one time for remote mbx channels.  The default
                           is 1158.

     Startup File

     When programs such as spm start mbx_helper automatically, they check for
     the file `node_data/startup.mbx_helper and read it if it exists. This
     startup file may contain either or both of the options described above,
     plus comments prefixed by the shell comment character '#.'  If the
     startup file does not exist, mbx_helper executes using the default values
     for both options.

EXAMPLE
          cps /sys/mbx/mbx_helper

     This starts the server with the default channel and queue data size
     values.
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