TCBADR

Prolog  

Control Block Contents  
   TCBADR DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

TCBADR Prolog

 Name       : BGTCB
 Description: Task Control Block
 DSECT      : TCBADR
 Function   : TCBADR simulates the VSE task control block.
              TCBADR is called by the BGTCB macro.

TCBADR Control Block Content

TCBADR DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      TCBADR         Task Control Block
0000    0 Signed       2 *              LENGTH OF TCB
0002    2 Bitstring    1 *              RESERVED
0003    3 Bitstring    1 TCBRID         RID
0004    4 Signed       2 FATHERID       TID OF ATTACHING TASK
0006    6 Bitstring    1 TCBFLAGS       FLAG BYTE
          1... ....      SYSRESW        X'80' 0 WRITE ON SYSRES ALLOWED
                                        1-2 RESERVED
          ...1 ....      ACLOSE         X'10' 3 VSAM AUTO. CLOSE IN
                                        PROCESS
          .... 1...      VSAMOPEN       X'08' 4 VSAM ACB'S OPEN IN
                                        PARTITIN
0007    7 Bitstring    1 TCBFLAG2       FLAG BYTE
0008    8 Signed       4 TCBTIB         TIB POINTER
000C   12 Signed       4 TCBSAVE        TASK SAVE AREA ADDRESS
0010   16 Signed       4 INTINFO        INTERRUPT INFORMATION
0014   20 Signed       4 AERREXIT (0)   ERROR EXITS
0014   20 Signed       4 TCBECB         USER TASKS: ADDR. OF ATTACH ECB
0018   24 Signed       4 TCBSAV2        ADDRESS OF SECOND SAVE AREA
001C   28 Signed       4 TCBITPTR       ADDRESS OF EXIT ROUTINE OR TECB
0020   32 Signed       4 TCBITSAV       ADDRESS OF EXIT SAVE AREA
          00000024       SSTCBLNG       *-TCBADR LENGTH OF SHORT SYSTEM
                                        TASK TCB
0024   36 Signed       4 TCBABPTR       ADDRESS OF AB EXIT ROUTINE
0028   40 Signed       4 TCBABSAV       ADDRESS OF AB EXIT SAVEAREA
002C   44 Signed       4 TCBPCPTR       ADDRESS OF PC EXIT ROUTINE
0030   48 Signed       4 TCBPCSAV       ADDRESS OF PC EXIT SAVEAREA

TCBADR Storage Layout

          
*** TCBADR - Task Control Block
*
*     +-------------+------+------+-------------+------+------+
*   0 |/////////////|//////|TCBRID|  FATHERID   |:FLAGS|:FLAG2|
*     +-------------+------+------+-------------+------+------+
*   8 |          TCBTIB           |         TCBSAVE           |
*     +---------------------------+---------------------------+
*  10 |         INTINFO           |          TCBECB           |
*     +---------------------------+---------------------------+
*  18 |         TCBSAV2           |         TCBITPTR          |
*     +---------------------------+---------------------------+
*  20 |         TCBITSAV          |         TCBABPTR          |
*     +---------------------------+---------------------------+
*  28 |         TCBABSAV          |         TCBPCPTR          |
*     +---------------------------+---------------------------+
*  30 |         TCBPCSAV          | 34
*     +---------------------------+
*
*** TCBADR - Task Control Block

TCBADR Cross Reference

Symbol         Dspl Value
-------------- ---- -----
ACLOSE         0006 10
AERREXIT       0014
FATHERID       0004
INTINFO        0010
SSTCBLNG       0020 00000024
SYSRESW        0006 80
TCBABPTR       0024
TCBABSAV       0028
TCBECB         0014
TCBFLAGS       0006
TCBFLAG2       0007
TCBITPTR       001C
TCBITSAV       0020
TCBPCPTR       002C
TCBPCSAV       0030
TCBRID         0003
TCBSAVE        000C
TCBSAV2        0018
TCBTIB         0008
VSAMOPEN       0006 08