Type ASSEMBLE
Source Lines : 581
Fixes Applied : 5
Most Recent Version : Thursday, December 14, 1978
Last Fix ID : [R13543DK]
Module
DMKVMA
Attributes
REENTRANT, RESIDENT, CALLED VIA BALR
Operation
DMKVMASH CHECKS ALL SHARED PAGES ASSOCIATED WITH SHARED NAMED
SYSTEMS AND DETERMINES IF THEY HAVE BEEN CHANGED. IF NONE
WERE CHANGED RETURN IS MADE BACK TO THE CALLER WITH THE
CONDITION CODE = 0. OTHERWISE THE CONDITION CODE IS MADE
NON-ZERO AND GPR-2 CONTAINS THE REAL ADDRESS OF THE LAST
SHARED PAGE TAHT WAS CHANGED.
DMKVMASW IS CALLED BY THE LOCK MANAGER WHENEVER A VIRTUAL
MACHINE BLOCK LOCK IS OBTAINED FOR A VIRTUAL MACHINE WHO
IS RUNNING ONE OR MORE SHARED NAMED SYSTEMS AND WAS LAST
SERVICED ON THE OPPOSITE PROCESSOR. ALL SHARED PAGE TABLE
POINTERS WILL BE SWITCHED TO THE CURRENT PROCESSOR AND THE
VMBLOK WILL BE UPDATED TO REFLECT SERVICING WAS LAST
PERFORMED ON THIS PROCESSOR.
Calls to Other Routines
DMKERMSG - TO SEND ERROR MESSAGES TO THE TERMINAL.
DMKFREE - TO OBTAIN FREE STORAGE
DMKFRET - TO RETURN STORAGE GOTTEN BY CALL TO DMKFREE
DMKSTKCP - STACK A CPEXBLOK
DMKCVTBH - CONVERT BINARY TO HEX
DMKCFMBK - TO PUT USER IN CONSOLE FUNCTION MODE
DMKDSPCH - DISPATCHER
DMKPTRUL - TO UNLOCK A PAGE IN STORAGE
DMKPTRFT - RELEASE A REAL STORAGE FRAME