SCLBK Back to Index page
 
Prolog 
Control Block Contents 
   SCLBK DSECT
   SCLCHTEN DSECT
Storage Layout 
Cross Reference (Contains links to field and bit definitions)
Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.


  SCLBK Prolog Top of page
 
 NAME       : HCPSCLBK
 DESCRIPTION: *SCLP IUCV System Service Block
 DSECT      : SCLBK
 FUNCTION   : Record active *SCLP IUCV System Service
              connections.
 LOCATED BY : HCPIUGSC
 CREATED BY : N/A (Assembled as part of HCPIUG)
 DELETED BY : N/A
 REFERENCES : none
 RELOCATION CONSIDERATIONS : None
 
 
  SCLBK Control Block Content Top of page
 

 SCLBK DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure SCLBK *SCLP IUCV System Service Block 0000 0 Dbl-Word 8 SCLLOCK (3) SCLBK Lockword 0018 24 Signed 4 SCLVALID Valid message classes 001C 28 Signed 4 SCLREGIS Registered message classes 0020 32 Dbl-Word 8 * (4) Reserved for IBM use 0040 64 Bitstring 24 SCLCHTAB (0) Class handler table 00000340 SCLBKLEN *-SCLBK SCLBK Length
 SCLCHTEN DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure SCLCHTEN *SCLP IUCV System Service Block 0000 0 Bitstring 4 SCLCHMSK Message classes handled 0004 4 Signed 2 SCLCHPTH CP path identifier 0006 6 Signed 2 * Reserved for IBM use 0008 8 Character 8 SCLCHUID User identifier 0010 16 Character 8 SCLCHOWN Owner identifier 0018 24 Bitstring 1 SCLCHTNX (0) Next table entry 00000018 SCLCHTEL *-SCLCHTEN Class handler table entry length
 
 
  SCLBK Storage Layout Top of page
 
          
*** SCLBK - *SCLP IUCV System Service Block
*
*     +-------------------------------------------------------+
*   0 |                                                       |
*     =                       SCLLOCK                         =
*     |                                                       |
*     +---------------------------+---------------------------+
*  18 |         SCLVALID          |         SCLREGIS          |
*     +---------------------------+---------------------------+
*  20 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*
*** SCLBK - *SCLP IUCV System Service Block
          
*** SCLCHTEN - *SCLP IUCV System Service Block
*
*     +---------------------------+-------------+-------------+
*   0 |         SCLCHMSK          |  SCLCHPTH   |/////////////|
*     +---------------------------+-------------+-------------+
*   8 |                       SCLCHUID                        |
*     +-------------------------------------------------------+
*  10 |                       SCLCHOWN                        |
*     +-------------------------------------------------------+
*
*** SCLCHTEN - *SCLP IUCV System Service Block
 
 
  SCLBK Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
SCLBKLEN       0040 00000340
SCLCHMSK       0000
SCLCHOWN       0010
SCLCHPTH       0004
SCLCHTAB       0040
SCLCHTEL       0018 00000018
SCLCHTNX       0018
SCLCHUID       0008
SCLLOCK        0000
SCLREGIS       001C
SCLVALID       0018
 
This information is based on z/VM 7.1.0 Last updated on 22 Jun 2018 at 11:52:15 EDT.
Copyright IBM Corporation, 1990, 2018