MBEBK

Prolog  

Control Block Contents  
   MBEBK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

MBEBK Prolog

 NAME       : HCPMBEBK
 DESCRIPTION: ISFC Mailbox entry block
 DSECT      : MBEBK
 FUNCTION   : Maintain information about an ISFC mailbox.
 LOCATED BY : HCPCMS    points to the mailbox entries.
 CREATED BY : HCPCMS    part of the resident data.
 DELETED BY : Does not apply (data contained within a module).
 SERIALIZED : The ISFC global lock (HCPBDSGL).

MBEBK Control Block Content

MBEBK DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      MBEBK          ISFC Mailbox entry block
0000    0 Signed       4 MBEIQUE        ADDR OF MB INPUT QUEUE
0004    4 Signed       4 MBEIECB        ADDR OF MB INPUT ECB
0008    8 Signed       4 MBEIROUT       ADDR OF MB INPUT ROUTINE
000C   12 Signed       4 MBEOQUE        ADDR OF MB OUTPUT QUEUE
0010   16 Signed       4 MBEOECB        ADDR OF MB OUTPUT ECB
0014   20 Signed       4 MBEOROUT       ADDR OF MB OUTPUT ROUTINE
0018   24 Signed       4 MBEDGPTH       ADDR OF DATAGRAM PTHENT
001C   28 Signed       4 MBEPACCT       MAILBOX PACING COUNT
0020   32 Character    4 MBENAME        MAILBOX NAME
0024   36 Bitstring    1 MBEFLAG        MAILBOX FLAG
0025   37 Bitstring    1 *              Reserved
0026   38 Signed       2 MBEMHLEN       Mailbox header length
0028   40 Dbl-Word     8 *              Reserved
          00000030       MBENTL         *-MBEBK LENGTH OF MAILBOX ENTRY
          00000006       MBESIZE        (*-MBEBK+7)/8 Doubleword size of
                                        MBEBK

MBEBK Storage Layout

          
*** MBEBK - ISFC Mailbox entry block
*
*     +---------------------------+---------------------------+
*   0 |         MBEIQUE           |         MBEIECB           |
*     +---------------------------+---------------------------+
*   8 |         MBEIROUT          |         MBEOQUE           |
*     +---------------------------+---------------------------+
*  10 |         MBEOECB           |         MBEOROUT          |
*     +---------------------------+---------------------------+
*  18 |         MBEDGPTH          |         MBEPACCT          |
*     +---------------------------+------+------+-------------+
*  20 |         MBENAME           |:FLAG |//////|  MBEMHLEN   |
*     +---------------------------+------+------+-------------+
*  28 |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*  30
*
*** MBEBK - ISFC Mailbox entry block

MBEBK Cross Reference

Symbol         Dspl Value
-------------- ---- -----
MBEDGPTH       0018
MBEFLAG        0024
MBEIECB        0004
MBEIQUE        0000
MBEIROUT       0008
MBEMHLEN       0026
MBENAME        0020
MBENTL         0028 00000030
MBEOECB        0010
MBEOQUE        000C
MBEOROUT       0014
MBEPACCT       001C
MBESIZE        0028 00000006