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Programming Interface Information:
The Monitor Records are intended Programming Interfaces that allow the customer to write programs to obtain services of z/VM. |
MRSCLRDB
PrologControl Block Contents
Cross Reference
MRSCLRDB Prolog
DSECT NAME - SCLRDB
FUNCTION - Map a Monitor record.
LOCATED BY -
Through the Monitor Control Area
REFERENCED CONTROL BLOCKS -
MRRECHDR Monitor Record Header
NAME - MRSCLRDB
DESCRIPTIVE NAME - Monitor Event Record
Domain 2 - Scheduler Domain
Record 1 - Begin Read
DESCRIPTION - Indicates that a console read has begun for a user.
MRSCLRDB Control Block Contents
Offsets
Dec Hex Type Len Name (Dim) Description
0 0 Structure 36 SCLRDB Start of monitor record
0 0 Character 0 SCLRDB_MRHDR Record header. See MRRECHDR
for details.
0 0 Character 20 MRHDR
0 0 Unsigned 2 MRHDRLEN record length in bytes
2 2 Unsigned 2 MRHDRZER field of zeros
4 4 Unsigned 1 MRHDRDM domain identifier
5 5 Unsigned 1 *
6 6 Unsigned 2 MRHDRRC record identifier
8 8 Character 8 MRHDRTOD Time at which this record
was built. In time-of-day
(TOD) clock format. See IBM
System 370 XA Principle of
Operation for explanation of
format.
16 10 Character 4 *
20 14 Character 0 MRHDR_END End of header
20 14 Character 8 SCLRDB_VMDUSER Userid
28 1C Bitstring 1 SCLRDB_CALFLAGS Byte of flags
1... .... SCLRDB_CALRDSID ON = SCLRDB_RDEVSID
contains real device
subchannel id. OFF = no
terminal was involved in this
event, SCLRDB_RDEVSID is not
applicable.
.1.. .... *
..1. .... *
...1 .... *
.... 1... *
.... .1.. *
.... ..1. *
.... ...1 *
29 1D Character 3 * Reserved for IBM use
32 20 Unsigned 4 SCLRDB_RDEVSID Real device subchannel id.
Applicable only when
SCLRDB_CALRDSID = on.
36 24 Character 0 SCLRDB_END
MRSCLRDB Cross Reference
Hex Hex
Name Offset Length Value
MRHDR 0 20
MRHDR_END 14 0
MRHDRDM 4 1
MRHDRLEN 0 2
MRHDRRC 6 2
MRHDRTOD 8 8
MRHDRZER 2 2
SCLRDB 0 36
SCLRDB_CALFLAGS 1C 1
SCLRDB_CALRDSID 1C 80
SCLRDB_END 24 0
SCLRDB_MRHDR 0 0
SCLRDB_RDEVSID 20 4
SCLRDB_VMDUSER 14 8
This information is
based on z/VM V6R2.0.
Last updated on 23 Nov 2011 at 15:33:04.
Copyright IBM Corporation, 1990, 2011