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NAME : HCPTRQBK
DESCRIPTION: TIMER REQUEST BLOCK
DSECT : TRQBK
FUNCTION : HCPTRQBK REPRESENTS A REQUEST FOR NOTIFICATION OF
A ROUTINE WHEN A PARTICULAR TOD CLOCK VALUE IS REACHED.
The un-expired TRQBKs are maintained by module HCPTRQ
enqueued in chains whose anchors reside in a "hash"
table.
See HCPTRQ prolog for serialization information.
LOCATED BY : TRQFPNT DOUBLY CHAINED (FORWARD)
TRQBPNT DOUBLY CHAINED (BACKWARD)
HCPTRQQ Start of "index" table, pointing to pages
of hash table containing pointers to TRQBKs.
BASETRQS ANCHOR IN MODULE HCPMIH (MIH TRQBKS ONLY)
GSRTRQBK FIELD OF HCPGSRBK (GUEST RECOVERY TIMER REQUEST)
PCSTIADD FIELD OF HCPPCSBK (PROCESSOR CONTROLLER INTERVAL)
RDEVTRQ FIELD OF HCPRDEV (CONTROL)
VMDTRQPT FIELD OF HCPVMDBK (GUEST TIMERS)
VMDTRQDL FIELD OF HCPVMDBK (DELAYED SLEEP OR LOGOFF)
VMDTRQQS FIELD OF HCPVMDBK (SCHEDULING)
VMDQIORF FIELD OF HCPVMDBK (PUSH-THRU STACK)
PFXCCTRQ FIELD OF HCPPFXPG (TRQBK for clock comp.)
Notes : The above list is probably not exhaustive.
CREATED BY : HCPBVM GUEST TIMER MANAGEMENT TRQBK DURING LOGON
HCPCFM TIMEOUT TO FORCE OFF DISCONNECTED USER
HCPCHM WAIT FOR CHANNEL TIMER TO SYNCHRONIZE WITH TOD
CLOCK
HCPCMX START SLEEP INTERVAL FOR SLEEP COMMAND
HCPGFS REDRIVE FULLSCREEN GRAPHICS TIMER
HCPGRF RESET ANY ACTIVE GRAPHICS TIMER
HCPGRF REDISPLAY LOGO AFTER LOGOFF
HCPIIO DEVICE INITIALIZATION TIMEOUT
HCPIOP MONITOR SYSTEM PERFORMANCE AT INTERVALS
(RESET IN HCPSTP)
HCPITM INTERVAL TO SEND MIDNIGHT MESSAGE
(RESET IN HCPMID)
HCPMIH DEVICE MISSING INTERRUPT DETECTION
HCPMPC PURGE STORAGE FOR PROCESSOR VARIED OFF
HCPMPC UNRESPONSIVE PROCESSOR DETECTION
HCPPCR UNRESPONSIVE PROCESSOR CONTROLLER DETECTION
HCPRDI MISSING I/O REQUEST DETECTION
HCPSTK SCHEDULING TRQBK DURING LOGON
Notes : The above list is probably not exhaustive.
DELETED BY : HCPCFM TIMEOUT TO FORCE OFF DISCONNECTED USER
HCPCHM WAIT FOR CHANNEL TIMER TO SYNCHRONIZE WITH TOD
CLOCK
HCPCMX END SLEEP INTERVAL FOR SLEEP COMMAND
HCPGRF DELETE ANY ACTIVE GRAPHICS TIMER
HCPIIO DEVICE INITIALIZATION TIMEOUT
HCPMPS PURGE STORAGE FOR PROCESSOR VARIED OFF
HCPMPC UNRESPONSIVE PROCESSOR DETECTION
HCPPCR UNRESPONSIVE PROCESSOR CONTROLLER DETECTION
HCPSTK SCHEDULING TRQBK DURING LOGOFF
HCPUSO GUEST TIMER MANAGEMENT TRQBK DURING LOGOFF
Notes : The above list is probably not exhaustive.
RELOCATION CONSIDERATIONS : None
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