Page of GC20-1807-7 As Updated April 1, 1981 by TNL GN25-0829 NOTE 277 OPEN/OPENJ 275 POINT 277 POST 273 PUT 278-279 P UTX 278- 279
RDJFCB 276-277
READ 278-279 SNAP 276 SPIE 274 STAE 276 STAX 277 STIM ER 276 STOW 275 SYNADAF 277 SYNADRLS 277
TCLEARQ 277
TGET/TP UT 277
TIME 275
TTIMER 276
under CMS 270 WAIT 273 WRIT E 278-279 iTO/WTOR 275 XCTL 274 XDAP 273
overhead, CP, reducing for I/O 89-90 overlay structures under CMS 323
over laying
dynamic load 325
example 324
prestructured 323-325 P page
allocation, RSCS 335
exceptions, effects of 90-91 frames 76-77
reserved 77-78,92
locking 91-92
releasinq
cont iguous storage 186
discontiguous storage 202 SPB (Set Page Boundary) card 214
table 76-77
zero, restrictions 77-78
pageable module
identifying 63-64.1
locating 63-64.1
paging 76-77
by demand 76-77
considerations 90-91 password
replacing directory entry 206-210 suppression on command line 230 PA2 program function key, defining fnnction of i99
performance 88
avoiding IPL 132-142 CM S/DOS 309 for mixed mode foreground/background
systems 126
for time-shared multi-batch virtual
machines 126
measurement 103 options
affini ty 97-98
dynamic scp transition to or from
native mode (5748-XE1) 102.3-102.4 favored execution 93-94
locked pages 91-92
priority 95
reserved page frames 92,95
single processor mode (5748-XE1) 102.2-102.3 small CP (5748-XX8) 78.1
virtual=real 77-78,92-93,95-97
virtual machine 93 PGMOPSi (program old PSi) 69 PGMSECT (program check interrupt work area)
72 PLIST (parameter list) 240 POINT macro 277 POST macro 273
Prefix Storage Area ,(see PSA (Pref ix
storage Area» prestructured overlays 323-325 PREVCMND (previous command) 22,71 PREVEXEC (pre'vious EXEC procedure) 22,71
print buffers
adding new images 217-218 LOADBUF command 217-218
print chain image 217-218 ueB macro 218-219 UCBCCi macro 220 UCC, examples 224-225 UCC macro 224 UCCCCi macro 224 UCS examples 218-219
macro 217-218 1403 216-217 UCSB associative fields 220 examples 221-222
3211 216-217 UCSCCW macro 218 PRINT command 66-68
printer IBM 3800 printer)
interruptions 238
priority
messages 153,156-157,157
of execution 76-77
performance option 95
privilege classes 82
replacing directory entry 206-210 privileged instructions 88
problem
programs, unexpected results 15-17
types
abnormal termination 8-13
loop 8-13
unexpected results 8-13
wait 8-13
processor
attached
affinity 97-98,181 I/O handling 179
locking 180-181 machine check 23 PSA 178
real I/O interrupts 87
Index 377

Page of GC20-1807-7 As Updated April 1, 1981 by TNL GN25-0829
signaling 180 synchronous interrupts 87
resources 84-85
timer 176
utilization 84-85
program
check
in checkpoint program 4=6 in dump program 4-6
interruption
in CMS 238
problem state 86
problem state (5748-!!§) 86.1
problem state (5148-XE1) 86.1
supervisor state 86
supervisor state 86.1
supervisor state (5748-X!J) 86. 1
states 83
program product identification bits (5148-XE1) 183 Program status Word (see PSi (Program
Status Word» programmer logical units 288-288.1 PROPSW (program old PSW) 45-46
protection keys 77-78
protection of shared segments 140-142 PSA (Prefix Storage Area) 19 ARIOCH (address of first RCHBLOK) 56 ARIOCU (address of first RCUBLOK) 57 ARIODV (address of first RDEVBLOK) 57-59
in attached processor mode 178- pseudo timer 178,186 PSW (Program status Word) 41-48
interruption code 22
keys, CMS 255-256 PTFs (program temporary fixes), applying
3, 14 PUB (Physical Unit Block) table 288-288.1
punch, interruptions 238
purging, discontiguous saved segment
138-139,202 PUT macro 278-279 PUTX macros 218-219
Q QUERY, command 39,286-281 QUERY command, 3800 printer 228 QUERY SRM command (5748-XX8) 109 QUERY SRM command (5148-XE1) 110 querying and setting paging variables (5748-XX8) 110 querying and setting paging variables (5748-XE1) 110 guerying and setting SRM variables (5148-XX8) 110 querying and setting SRM variables (5748-XE1) 110 queue 1, dispatching virtual machines from
84-85
queue 2, dispatching virtual machines from
84- 85
queue 3 85-86
queue 3 86 QUIESCE, VMCF subfunction 154
Q 1 (se.§ queue 1)
378 IBM VM/370 System Programmer's Guide
Q2 queue 2)
Q3 queue 3) (5748- Q3 queue 3) ( 57 4 8- R n ..... TTnT ,....u r::£ :..JU RCHADD (address) 56 RCHFIOB (first IOBLOK pointer) 56 RCHSTAT (status) 56 RCHTYPE (type) 56 RCUBLOK 51
R CUADD (address) 57 RCUCHA (primary RCHBLOK) 57
R CUCHB (first al ternate RCHBLOK) 57
R CUCHe (second al terna te RCHBLOK) 57 RCUCHD (third alternate RCHBLOK) 57 RCUFIOB (first IOBLOK pointer) 57 RCULIOB (last IOBLOK pointer) 57 RCUSTAT 57 RCUTIPE (type) 57 RDEVBLOK 57-59
R DEVADD (address) 57-59 RDEVAIOB (IOBLOK pointer) 57-59
R DEVATT (att ached virtua 1 add re ss)
57-59
R DEVCKPT (address of enable CKPBLOK) 51-59
R DEVE? DV (address of EP free list)
57-59
RDEVFLAG (device dependent flags) 57-59 RDEVIOER (address of IOERBLOK) 51-59
R DEVMAX (highest valid NCP name) 57-59 RDEVNCP (reference name of active 3705 NCP) 57-59
R DEVN ICL (address of net work control
list) 57-59 RDEVSPL (RSPLCTL pointer) 51-59 RDEVSTAT (status) 57-59 RDEVTFLG (flags) 57-59 RDEVTMCD (terminal flags) 57-59 RDEVTYPC 57-59 RDEVUSER (dedicated user) 57-59 RDJFCB macro 216-277
READ macro 218-279
reader, interruptions 238
reading, OS data sets 280.1-281
real, printer dumping to 45-46
real storage
examine 184
in attached processor environment
184
optimizing use of 76-71
REALTIMER option 175-176 RECEIVE, VMCF subfunction 158
recording, real machine system eve nts 40 records
accounting
created by user 130-130 for AUTOLOG, LOGON, and LINK
journaling 128-129
format for dedicated devices 121-131
format for dedicated devices
( 5748- X X 8) 1 26
format for dedicated devices
( 5748- X E 1 ) 1 27-13 1
format for virtual machines 127-131