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

NSCPR

Prolog  

Control Block Contents  
   NSCPR DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  


 

NSCPR Control Block Content


NSCPR DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      NSCPR          ,
     THESE FIELDS ARE USED FOR ENTRY TO HCPNSCSG AND HCPNSCSY. - FIRST TIME
     SEARCH ONLY REQUIRES THAT NSCNAME BE FILLED IN. - SECOND TIME SEARCH OR
     A RE-SCAN WOULD REQUIRE NSCSNTBK TO BE FILLED IN FOR NSS, DCSS, SEGMENT
     SPACE, AND MEMBERS. FOR MEMBER SEGMENTS NSCLSNT@ AND NSCLNAME NEED TO
     FILLED IN TO DETERMINE IF THE MEMBER IS STILL PART OF THE SEGMENT
     SPACE.
     NOTES : NSCSNTBK IS FILLED IN BY BOTH ENTRY POINTS. NSCLSNT@ AND
     NSCLNAME ARE FILLED IN BY HCPNSCSG ONLY. THE INPUT FOR NSCSNTBK,
     NSCLSNT@, AND NSCLNAME ARE FILLED IN BY HCPNSC MODULE AND SHOULD NOT BE
     FILLED IN BY THE CALLER.
0000    0 Character    8 NSCNAME        INPUT - NAME USED TO LOCATE THE
                                        SNTBK ADDRESS.
0008    8 Signed       4 NSCSNTBK       OUTPUT - ADDRESS OF THE SNTBK.
                                        INPUT - IF ZERO START FROM
                                        BEGINNING OF QUEUE. IF NOT ZERO
                                        START AT THE SNTBK POINTED TO BY
                                        THIS FIELD. ....
000C   12 Signed       4 NSCLSNT@       OUTPUT - LOGICAL SNTBK ADDRESS
                                        WHEN NSCNAME IS A MEMBER DCSS.
                                        INPUT - IF NOT ZERO THEN START AT
                                        THIS SNTBK ADDRESS TO CONTINUE
                                        SEARCHING FOR OTHER DCSS.
0010   16 Character    8 NSCLNAME       OUTPUT - THE NAME OF THE LOGICAL
                                        SNTBK THAT CONTAINS THE MEMBER
                                        NAME. .... INPUT - A FURTHER
                                        CHECK TO ENSURE THAT THE SNTBK IS
                                        STILL VALID TO CONTINUE
                                        SEARCHING.
          00000018       NSCBSIZE       *-NSCPR BYTE SIZE OF THIS DSECT.
          00000003       NSCSIZE        (NSCBSIZE+7)/8 SIZE IN
                                        DOUBLEWORDS.

 

NSCPR Storage Layout

          
*** NSCPR - Control Block in NSCPR
*
*     +-------------------------------------------------------+
*   0 |                       NSCNAME                         |
*     +---------------------------+---------------------------+
*   8 |         NSCSNTBK          |         NSCLSNT@          |
*     +---------------------------+---------------------------+
*  10 |                       NSCLNAME                        |
*     +-------------------------------------------------------+
*  18
*
*** NSCPR - Control Block in NSCPR

 

NSCPR Cross Reference

Symbol         Dspl Value
-------------- ---- -----
NSCBSIZE       0010 00000018
NSCLNAME       0010
NSCLSNT@       000C
NSCNAME        0000
NSCSIZE        0010 00000003
NSCSNTBK       0008

This information is based on z/VM V4R2.0. Last updated on 18 Oct 2001 at 08:23:00 EDT.
Copyright IBM Corporation, 1990, 2001