NSDBK

Prolog  

Control Block Contents  
   NSDBK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

NSDBK Prolog

 NAME       : HCPNSDBK
 DESCRIPTION: DEFSEG/DEFSYS parameter control block
 DSECT      : NSDBK
 FUNCTION   : The HCPNSDBK is a parameter area used for
              DEFSEG/DEFSYS.
 LOCATED BY : None
 CREATED BY : HCPNSD
 DELETED BY : HCPNSD

NSDBK Control Block Content

NSDBK DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      NSDBK          DEFSEG/DEFSYS parameter control
                                        block
0000    0 Bitstring    1 NSDOPTFG       Operand/option flag
          ...1 ....      NSDMINSZ       X'10' If on, indicates MINSIZE
                                        operand was specified.
          ..1. ....      NSDPREGS       X'20' If on, indicates PARMREGS
                                        operand was already specified
          .1.. ....      NSDSAMER       X'40' If on, indicates that
                                        SAMErange operand was already
                                        specified
          1... ....      NSDSSP         X'80' If on, indicates that the
                                        SPACE operand was already
                                        specified
0001    1 Bitstring    1 NSDERRFG       Error flag
          1... ....      NSDMSSCL       X'80' Indicate that the MSS (R8)
                                        SDFBK is to be closed
          .1.. ....      NSDMSSPU       X'40' Indicate that the MSS (R9)
                                        SDFBK is to be purged
          ..1. ....      NSDSSPCL       X'20' Indicate that the SSP (R8)
                                        SDFBK is to be closed
          ...1 ....      NSDSSPPU       X'10' Indicate that the SSP (R8)
                                        SDFBK is to be purged
          .... 1...      NSDNOMSG       X'08' Indicates to exit without
                                        sending a message
0002    2 Bitstring    1 NSDSTAFG       Status flag
          1... ....      NSDMSSOR       X'80' Indicates that the member
                                        was found opened for reads
          .1.. ....      NSDNEWSP       X'40' Indicates a new SSP
                                        created. No need to return frame
                                        from the call to HCPNSCFA.
          ..1. ....      NSDSSPOR       X'20' Indicates that the segment
                                        space was found opened for read
0003    3 Bitstring    1 NSDLCKFG       *NSS SDF queue lock status
          1... ....      NSDSDFEX       X'80' Indicates that the *NSS SDF
                                        queue lock is held exclusively
          ..1. ....      NSDSDFNO       X'20' Indicates that the *NSS SDF
                                        queue lock is not held
          00000001       NSDBKDSZ       (*-NSDBK+7)/8 NSDBK block size in
                                        DW's
          00000004       NSDBKBSZ       (*-NSDBK) NSDBK block size in
                                        bytes

NSDBK Storage Layout

          
*** NSDBK - DEFSEG/DEFSYS parameter control block
*
*     +------+------+------+------+
*   0 |:OPTFG|:ERRFG|:STAFG|:LCKFG| 4
*     +------+------+------+------+
*
*** NSDBK - DEFSEG/DEFSYS parameter control block

NSDBK Cross Reference

Symbol         Dspl Value
-------------- ---- -----
NSDBKBSZ       0003 00000004
NSDBKDSZ       0003 00000001
NSDERRFG       0001
NSDLCKFG       0003
NSDMINSZ       0000 10
NSDMSSCL       0001 80
NSDMSSOR       0002 80
NSDMSSPU       0001 40
NSDNEWSP       0002 40
NSDNOMSG       0001 08
NSDOPTFG       0000
NSDPREGS       0000 20
NSDSAMER       0000 40
NSDSDFEX       0003 80
NSDSDFNO       0003 20
NSDSSP         0000 80
NSDSSPCL       0001 20
NSDSSPOR       0002 20
NSDSSPPU       0001 10
NSDSTAFG       0002