NetBase for MPE Reference Guide

Chapter 5
5-46
Parameters
Parameter Description
comarea
An array of various information used to control the posting of shadow
information. Some fields are reserved and must not be modified. The format
is:
Bytes Contents
0..1 Action flag. Set by the user exit procedure to determine the action taken
by the posting process. The valid values are:
0 Update successful. Increment update counter but do not post
to shadow file.
1 Record ignored. Do not increment the update count.
2 Post normally.
3 Disable subsequent user exit calls. File will be posted
normally.
-1 Set discard flag for file.
-2 Set SYNC LOST flag. Reason goes in STATUS field (below).
-4 Remove the file from the SHOW POST. It is the responsibility
of the user exit procedure to close any files or data bases opened
by the user exit procedure.
2..3 Status. Additional information used by the post program if an action
such as SYNC LOST is set. Used to display informative messages.
Note: The above fields are set to 0 when the procedure is entered.
4..5 Node number. Original node number of this file.
6..7 Local node number. Node number of this node.
8..11 File number. For databases, bytes 10 and 11 will contain the base ID of
the shadow copy of the database (if open).
12 File type. Will be F for MPE file, K for KSAM file or I for IMAGE data
base. Set to U if no shadow file is open.
13 Unused.
14..81 The updating user's process info (see POSTUSERINIT for details). Will
only be present if certain configuration options are enabled. Will
be all binary 0 if not enabled.
Continued