| Programming Interface Information: The Monitor Records are intended Programming Interfaces that allow the customer to write programs to obtain services of z/VM. | 
MRISFISC
PrologControl 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 V7R2.0.
Last updated on 08 August 2020 at 21:40:18.
Copyright IBM Corporation, 1990, 2020