interruption 22
in CMS 314
problem state 22
supervisor state 22
states 14
program product identification bits 223
Program Status Word See PSW (Program Status Word)
programmable operator facility 422-457
abend 424,438
action routine interface
call interface 453
parameter interface 453
action routines 438 DMSPOL 441 DMSPOR 439 DMSPOS 440 EXEC 438, 455
supplied 438
writing 455
authorization 436
communication
checking 448
with the network 424
Debug mode 452
exit EXECs
communication error 451
interface 451
log error 451 PROPHCHK EXEC 449, 451 PROPLGER 452 PROPPCHK EXEC 449, 451
feedback file 443
initialization 424
installing 443
CMSGEND PROP function 444
invoking
automatically 447
manually 445 PROPST EXEC 445
log file 441
logical operator 423
message output format 450 overview 422
flow of operation 423
how it works 423
in a distributed system 422
in a single system 422
the logical operator 423
routing table 425, 429
conversion 444
tailoring 432
routing table (RTABLE) 424
routing table entries 429
specifying routing texts 432
routing table statements HOSTCHK 427 LGLOPR 426 LOGGING 428
ordering of 428 PROPCHK 427 ROUTE 428
TEXTSYM 426
with IUCV 449
programmer logical units 390 PROPCHK statement See programmable operator facility PROPSW (program old PSW) 507 protection keys 5
protection of shared segments 79 PSA (Prefix Storage Area) 476 ARlOCH (address of first RCHDLOK) 514 ARlOCU (address of first RCUBLOK) SIS ARlODV (address of fimt RDEVBLOK) SIS
in attached processor mode 220 in multiprocessor mode 220 pseudo timer 207, 227 PSW (Program Status Word) 507 interruption code 480 keys, CMS 332
PTFs (program temporary fixes), applying 466,470 PUB (Physical Unit Block) 390 punch, interruptions 314
PURGE
IUCV function
parameter list format 146
using 122
purging, discontiguous saved segment 78,255
PUT macro 381
PUTX macro 381
Q QUERY 498
IUCV function, using' II QUERY command, 3800 printer I)Jlpport 296,297,299 QUERY PAGING command 52 QUERY SRM command 51
querying and setting paging variables 51
querying and setting SRM variables 51
queue drop elimination 36
queue 1 15
queue 2 15
queue 3 17
QUIESCE 93
Ql
Q2
Q3
R
IUCV function 110 parameter list format 148
using 122
VMCF subfunction 93 See queue 1 See queue 2 See queue 3 RCHBLOK 514
RCHADD (address) 514 RCHFIOB (first IOBLOK pointer) 515 RCHLIOB (last IOBLOK pointer) 515
RCHSTAT (status) 514
RCHTYPE (type) 515 RCUBLOK 515 RCUADD (address) 515 RCUCHA (primary RCHBLOK) 515 RCUCHB (first alternate RCHBLOK) SIS RCUCHC (second alternate RCHBLOK) SIS RCUCHD (third alternate RCHBLOK) 'SIS RCUFIOB (first IOBLOK pointer) 515 RCULIOB (last IOBLOK pointer) 515 RCUSTAT (status) 515
RCUTYPE (type) 515 RDEVBLOK 515
RDEVADD (address) 515 RDEVAIOB (IOBLOK pointer) 515
Index 575

I
:,:,.,','.', '. ;: < RDEVATI (attached virtual address) 516 RDEVCKPT (address of enable CKPBLOK) 516 RDEVEPDV (address of EP free list) 516
RDEVFLAG (device dependent flags) 515
RDEVIOER (address of 10ERBLOK) 516
RDEVMAX v3lid NCP name) 516
RDEVNCP (reference name of active 3705 NCP) 516
RDEVNICL (address of network control list) 516 RDEVSPL (RSPLCTL pointer) 516 RDEVSTAT (status) 515
RDEVTFLG (flags) 516
RDEVTMCD (terminal flags) 516 RDEVTYPC (class) 515 RDEVUSER (dedicated user) 516
RDEVBLOK lock 216
RDJFCB macro 377
READ macro 381
reader, interruptions 314
reading, OS data sets 383
real device simulation, VM/SP SNA support 183
real printer, dumping to 506 real storage
examine 224
in attached processor environment 224
in multiprocessor environment 225
optimizing use of 3
real storage management lock (RM Lock) 216
REAL TIMER option 205 RECEIVE IUCV function 111
parameter list format 149
using 120 VMCF sub function 96
recording, real machine system events 500 records, accounting
created by user 71
for AUTOLOG, LOGON, and LINK joumaling 70 format for dedicated devices 69
format for virtual machines 69 RECOVERV command, for MSS volumes 202 reduction
of CP overhead, for virtual machine I/O 26
of paging activity 27
of SID operation 25
reenterable code, usage 27
register usage in CMS 315
REJECT 93 IUCV function 111
parameter list format 150 using 121
VMCF subfunction 93
releasing
allocated storage 329 storage 328
REPLY IUCV function 111
parameter list format 151
using 121 VMCF subfunction 96
RESERVE command 352
RESERVE, operand 6
reserved page frames 6
performance option 28,32
resources,processor 15
responses, VM Monitor, to unusual tape conditions 56
responsibilities, user, for CMS/DOS 411 RESTORE macro 374
restrictions
BDAM 382 CMS/DOS 413
576 VM/SP System Programmer's Guide CMS, saved system 417 IUCV 118 RESUME 93
execution
BEGIN command 489 GO of DEBUG comm:md 439 IUCV function 110 parameter list format 152
using 122
VMCF subfunction 93
RETRIEVE BUFFER, IUCV function, using 123
return codes, IUCV 171
RM lock (real storage management lock) 216 ROUTE statement See programmable operator facility RSCS (Remote Spooling Communications Subsystem)
programmable operator facility relationship 424, 448
RTABLE or routing table See programmable operator facility
run list lock 216
RUNUSER (current user) 508 s
save area
BALRSAVE 476,509 CMS system 345 CMS system save area format 345
DUMPSAVE 510 FREESAVE 476,509 LOCKSAVE 510 LOKSAVE 510 MFASAVE 510 SAVEAREA 476,509 SIGSAVE 510 SVCREGS 511 SWTHSA VE 510 user save area 345 SA VEAREA (active save area) 476,509 saved system
described 73
restrictions for CMS 417 SA VESYS command 74
when to save systems 73 SA VENCP command 81
for 370X control program 81 SA VESEQ priority value 8 SA VESYS command 74
saving, storage information 501 SCBLOCK, created by SUBCOM 347 SCPINFO command 265
screen management, VM/SP SNA support 180 security considerations, HJCV 118
segment table 3
segments, shared See shared segments SEND IUCV function 111
parameter list format 153
using 120 VMCF protocol 88
VMCF subfunction 94 SEND/RECV VMCF protocol 89
VMCF subfunction 94
SENDX
VMCF protocol 90 VMCF subfunction 95