Type ASSEMBLE
Source Lines : 582
Fixes Applied : 1
Most Recent Version : Wednesday, December 20, 1978
Last Fix ID : [R09217DS]
Module
DMSPRV ( PSERV )
Function
PROVIDE THE FACILITY TO COPY PROCEDURES IN THE
DOS/VS SYSTEM PROCEDURE LIBRARY TO A SPECIFIED
OUTPUT DEVICE. VALID OUTPUT DEVICES ARE VIRTUAL
PRINTER, CMS DISK FILE, USER'S CONSOLE, AND/OR
VIRTUAL PUNCH.
Attributes
DISK RESIDENT MODULE
EXECUTES IN USER AREA
Operation
1. SET UP NECESSARY ADDRESSABILITIES AND SAVE
THE RETURN REGISTER. ACQUIRE SUPERVISOR KEY
AND INITIALIZE REUSABILITY FIELDS. VERIFY IF
IN CMS/DOS ENVIRONMENT.
2. CHECK THE COMMAND LINE FOR VALID ARGUMENTS
AND OPTIONS. ENSURE THAT A PROC. NAME WAS
SPECIFIED. SET APPROPIATE SWITCHES FOR EACH
OPTION SPECIFIED. IF THE 'DISK' OPTION IS
SPECIFIED OR IMPLIED, ERASE ANY OLD FILE ON
THE 'A' DISK. IF ERASE RETURNS A CODE OF 36,
EITHER THE 'A' DISK IS R/O OR IS NOT ATTACHED.
3. DETERMINE IF THE SYSTEM PROCEDURE LIBRARY IS
ACTIVE (IF IT EXISTS) AND START READING THE
APPROPIATE LIBRARY DIRECTORY RECORDS TO FIND
THE SPECIFIED PROCEDURE. ONCE THE PROCEDURE
ENTRY IS FOUND, COMPUTE THE DISK ADDRESS OF
THE PROCEDURE DATA BLOCKS.
4. READ THE PROCEDURE DATA BLOCKS ONE AT A TIME.
DECODE EACH DATA BLOCK INTO CARD IMAGES, AND
WRITE EACH CARD IMAGE ( AS IS ) TO THE OUTPUT
DEVICE.
5. WHEN ALL PROCESSING HAS BEEN DONE, ALL OUTPUT
DEVICES ARE CLOSED.
6. A SWITCH TO PROBLEM PROGRAM KEY IS DONE, AND A
RETURN TO THE CALLER IS MADE PASSING IN REG. 15
THE RETURN CODE OF THE COMMAND.
Calls to Other Routines
DMSERR, DMSERS, DMSKEY, DMKGIO, DMSPIO
DMSBWR, DMSCWR, DMSCIO, DMSCPF, DMSFNS