Programming Interface Information:
The Monitor Records are intended Programming Interfaces that
allow the customer to write programs to obtain services of z/VM.

MRSSISCH

Prolog
Control Block Contents
Cross Reference

MRSSISCH Prolog

 DSECT NAME - SSISCH
 FUNCTION - Map a Monitor record.
 LOCATED BY -
        Through the Monitor Control Area
 REFERENCED CONTROL BLOCKS -
        MRRECHDR    Monitor Record Header
 NAME - MRSSISCH
 DESCRIPTIVE NAME - Monitor Event Record
                    Domain 11 - Single-System Image Domain
                    Record  3 - State Change Event
 DESCRIPTION - Provides notification of SSI state changes.
               Cluster modes and system states are defined in
               HCPEQUAT COPY.

MRSSISCH Control Block Contents

Offsets
Dec  Hex  Type        Len  Name (Dim)             Description
 
   0   0  Structure    32  SSISCH                 Start of monitor record
   0   0  Character     0  SSISCH_MRHDR           Record header. See MRRECHDR
                                                  for details.
   0   0  Character    20  MRHDR
   0   0  Unsigned      2  MRHDRLEN
   2   2  Unsigned      2  MRHDRZER
   4   4  Unsigned      1  MRHDRDM
   5   5  Unsigned      1  *
   6   6  Unsigned      2  MRHDRRC
   8   8  Character     8  MRHDRTOD
  16  10  Character     4  *
  20  14  Character     0  MRHDR_END
  20  14  Character     8  SSISCH_CALSYSNM        Member system name
  28  1C  Character     1  SSISCH_SYSPLXOM        Old mode
  29  1D  Character     1  SSISCH_CALOLDST        Old state
  30  1E  Character     1  SSISCH_SYSPLXPM        New mode
  31  1F  Character     1  SSISCH_CALNEWST        New state
  32  20  Character     0  SSISCH_END

MRSSISCH 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
SSISCH                     0     32
SSISCH_CALNEWST           1F      1
SSISCH_CALOLDST           1D      1
SSISCH_CALSYSNM           14      8
SSISCH_END                20      0
SSISCH_MRHDR               0      0
SSISCH_SYSPLXOM           1C      1
SSISCH_SYSPLXPM           1E      1

This information is
based on z/VM V7R4.0.

Last updated on 10 September 2024 at 08:46:05.

Copyright IBM Corporation, 1990, 2024