Type ASSEMBLE
Source Lines : 2,589
Fixes Applied : 13
Most Recent Version : Thursday, December 7, 1978
Last Fix ID : [R11926DK]
Module
DMKPTR
Function
TO MANAGE THE INVENTORY OF REAL SYSTEM PAGES, PROVIDING REAL
MEMORY SPACE FOR CONTROL PROGRAM FUNCTIONS AND FOR PAGES OF
USER AND CONTROL PROGRAM VIRTUAL MEMORY
Attributes
SERIALLY REUSABLE, RESIDENT, CALLED VIA SVC 8
Operation
THE OPERATION OF DMKPTRAN IS DESCRIBED IN SECTIONS A-D BELOW
THE OPERATION OF DMKPTRFR IS DESCIRBED IN SECTION E
THE OPERATION OF THE PAGE SELECTION ROUTINE 'SELECT' IS
DESCRIBED IN SECTION F
THE OPERATION OF DMKPTRFT IS DESCRIBED IN SECTION G
THE OPERATION OF DMKPTRUL IS DESCRIBED IN SECTION H
THE OPERATION OF DMKPTRLK IS DESCRIBED IN SECTION I
THE OPERATION OF DMKPTRRS IS DESCRIBED IN SECTION J
Calls to Other Routines
DMKPAGIO - EXIT VIA GOTO TO INITIATE PAGE I/O
DMKFREE - OBTAIN FREE STORAGE
DMKFRET - RETURN FREE STORAGE
DMKSTKCP - STACK DEFERED REQUESTS FOR EXECUTION
DMKQCNWT - WRITE ERROR MESSAGE TO USERS
DMKPGTPG - OBTAIN DASD SPACE FOR PAGE WRITES
DMKDSPCH - EXIT VIA GOTO TO AWAIT INTERRUPTS
DMKFRETR - MERGE EXTENDED FREE STORAGE PAGE INTO FREE LIST
DMKCFMBK - TO PUT USER IN CONSOLE FUNCTION MODE
DMKPTRFT - TO PUT A PAGE ON THE FREELIST
DMKPGTPR - TO RELEASE AN OLD PAGE