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 V7R2.0.

    Last updated on 08 August 2020 at 20:49:30.

    Copyright IBM Corporation, 1990, 2020