Programming Interface Information: This information is NOT intended to be used as Programming Interfaces of z/VM.

#### ARUSE

Prolog

Control Block Contents
ARUSE DSECT

Storage Layout

Cross Reference (Contains links to field and bit definitions)

#### ARUSE Prolog

     Name       : HCPARUSE
     Description: Access Real Subsystem Unsolicited
                  Status Entry
     DSECT      : ARUSE
     Function   : ARUBK linked list entry to define an
                  instance of unsolicited status for a
                  Diagnose X'254' user.
     Located by : Linked list hanging from ARUELST.ARUBK
     Created by : HCPARR
     Deleted by : HCPARR for Get Unsolicted Status function.
                  HCPARS for Close CP Connection function.

#### ARUSE Control Block Content

#### ARUSE DSECT

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      ARUSE          Access Real Subsystem Unsolicited
    0000    0 Address      4 ARUENEXT       Pointer to next ARUSE
    0004    4 Address      4 ARUEVDEV       Pointer to pseudo VDEV
    0008    8 Address      4 ARUEIORB       Pointer to unsol stat IORBK
    000C   12 Bitstring    4 *              Reserved
              00000010       ARUEBYLN       *-ARUSE Byte length of ARUSE
              00000002       ARUEDWSZ       ((ARUEBYLN+7)/8) Doubleword
                                            length of ARUSE

#### ARUSE Storage Layout

    *** ARUSE - Access Real Subsystem Unsolicited
    *
    *     +---------------------------+---------------------------+
    *   0 |         ARUENEXT          |         ARUEVDEV          |
    *     +---------------------------+---------------------------+
    *   8 |         ARUEIORB          |///////////////////////////|
    *     +---------------------------+---------------------------+
    *  10
    *
    *** ARUSE - Access Real Subsystem Unsolicited

#### ARUSE Cross Reference

    Symbol         Dspl Value
    -------------- ---- -----
    ARUEBYLN       000C 00000010
    ARUEDWSZ       000C 00000002
    ARUEIORB       0008
    ARUENEXT       0000
    ARUEVDEV       0004

This information is based on z/VM V6R1.0. Last updated on 18 Feb 2010 at 08:23:39 EDT.
Copyright IBM Corporation, 1990, 2008