Programming Interface Information:
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NSDBK
Control Block Contents
NSDBK DSECT
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 RELOCATION CONSIDERATIONS : None
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' NSDMINSZ If on, indicates MINSIZE operand was specified. ..1. .... NSDPREGS X'20' NSDPREGS If on, indicates PARMREGS operand was already specified .1.. .... NSDSAMER X'40' NSDSAMER If on, indicates that SAMErange operand was already specified 1... .... NSDSSP X'80' NSDSSP If on, indicates that the SPACE operand was already specified 0001 1 Bitstring 1 NSDERRFG Error flag 1... .... NSDMSSCL X'80' NSDMSSCL Indicate that the MSS (R8) SDFBK is to be closed .1.. .... NSDMSSPU X'40' NSDMSSPU Indicate that the MSS (R9) SDFBK is to be purged ..1. .... NSDSSPCL X'20' NSDSSPCL Indicate that the SSP (R8) SDFBK is to be closed ...1 .... NSDSSPPU X'10' NSDSSPPU Indicate that the SSP (R8) SDFBK is to be purged .... 1... NSDNOMSG X'08' NSDNOMSG Indicates to exit without sending a message 0002 2 Bitstring 1 NSDSTAFG Status flag 1... .... NSDMSSOR X'80' NSDMSSOR Indicates that the member was found opened for reads .1.. .... NSDNEWSP X'40' NSDNEWSP Indicates a new SSP created. No need to return frame from the call to HCPNSCFA. ..1. .... NSDSSPOR X'20' NSDSSPOR Indicates that the segment space was found opened for read 0003 3 Bitstring 1 NSDLCKFG *NSS SDF queue lock status 1... .... NSDSDFEX X'80' NSDSDFEX Indicates that the *NSS SDF queue lock is held exclusively ..1. .... NSDSDFNO X'20' NSDSDFNO 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
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