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

MRISFISC

Prolog
Control Block Contents
Cross Reference

MRISFISC Prolog

 DSECT NAME - ISFISC
 FUNCTION - Map a Monitor record.
 LOCATED BY -
        Through the Monitor Control Area
 REFERENCED CONTROL BLOCKS -
        MRRECHDR    Monitor Record Header
 NAME - MRISFISC
 DESCRIPTIVE NAME - Monitor Event Record
                    Domain 9 - ISFC Domain
                    Record 1 - ISFC End Point Status Change
 DESCRIPTION - Indicates that there has been a change in the
               state of an ISFC end point.
 NOTES -

MRISFISC Control Block Contents

Offsets
Dec  Hex  Type        Len  Name (Dim)             Description
 
   0   0  Structure   244  ISFISC                 Start of monitor record
   0   0  Character     0  ISFISC_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  Unsigned      1  ISFISC_ACTIVITY        Activity that resulted in
                                                  the creation of this record.
                                                  BIND = 1 CONNECT = 2 ACCEPT =
                                                  3 CLOSE = 4
  21  15  Unsigned      1  ISFISC_SCKTYPE         End point type: LISTEN = 0
                                                  STREAM = 1 DGRAM = 2
  22  16  Unsigned      2  *                      
  24  18  Signed        4  ISFISC_SCKID           Binary identifier for the
                                                  end point.
  28  1C  Signed        4  ISFISC_SCKNUM          Unique sequence number
                                                  assoc- iated with this end
                                                  point. Can be used to
                                                  correlate all the monitor
                                                  records applying to this end
                                                  point.
  32  20  Character     8  ISFISC_SCKPORT         Bound port name or port
                                                  name or name generated by CP
                                                  if no BIND.
  40  28  Character     8  ISFISC_SCKASSOC        The name of the service
                                                  (SCKPORT) that resulted in
                                                  the creation of this end
                                                  point.
  48  30  Character     8  ISFISC_SCKTGTND        Node at the other end of
                                                  the connection represented by
                                                  this end point.
  56  38  Character     8  ISFISC_SCKTGTSV        Service at the other end of
                                                  the connection represented by
                                                  this end point.
  64  40  Unsigned      4  ISFISC_SCKNLEN         Name length
  68  44  Character   120  ISFISC_SCKNAME         Free-form name assigned to
                                                  this end point by its
                                                  creator.

The following fields are valid only when the ISFISC_ACTIVITY field = 4 (CLOSE). For ISFISC_ACTIVITY = ISFISC_ACTIVITY_CLOSE:
Offsets Dec Hex Type Len Name (Dim) Description 188 BC Character 8 ISFISC_SCKRXMSG Messages received 196 C4 Character 8 ISFISC_SCKTXMSG Messages sent 204 CC Character 8 ISFISC_SCKRXBYT Bytes received 212 D4 Character 8 ISFISC_SCKTXBYT Bytes sent 220 DC Character 8 ISFISC_SCKTXBUF Messages sent asynchronously, awaiting a request from the sending program to recover the storage. 228 E4 Character 8 ISFISC_SCKTXDSC Messages that could not be sent, typically due to the loss of a link. 236 EC Character 8 ISFISC_SCKTHROT Cumulative count of the times tasks sending through this end point were throttled for reasons of flow control. 244 F4 Character 0 ISFISC_END

MRISFISC Cross Reference

                      Hex           Hex
Name                  Offset Length Value 
 
ISFISC                     0    244
ISFISC_ACTIVITY           14      1
ISFISC_END                F4      0
ISFISC_MRHDR               0      0
ISFISC_SCKASSOC           28      8
ISFISC_SCKID              18      4
ISFISC_SCKNAME            44    120
ISFISC_SCKNLEN            40      4
ISFISC_SCKNUM             1C      4
ISFISC_SCKPORT            20      8
ISFISC_SCKRXBYT           CC      8
ISFISC_SCKRXMSG           BC      8
ISFISC_SCKTGTND           30      8
ISFISC_SCKTGTSV           38      8
ISFISC_SCKTHROT           EC      8
ISFISC_SCKTXBUF           DC      8
ISFISC_SCKTXBYT           D4      8
ISFISC_SCKTXDSC           E4      8
ISFISC_SCKTXMSG           C4      8
ISFISC_SCKTYPE            15      1
MRHDR                      0     20
MRHDR_END                 14      0
MRHDRDM                    4      1
MRHDRLEN                   0      2
MRHDRRC                    6      2
MRHDRTOD                   8      8
MRHDRZER                   2      2

This information is
based on z/VM V6R4.0.

Last updated on 5 Oct 2016 at 14:51:18.
Copyright IBM Corporation, 1990, 2016