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Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
IXBLK
Control Block Contents
IXBLK DSECT
Cross Reference (Contains links to field and bit definitions)
IXBLK Prolog
NAME : HCPIXBLK
DESCRIPTION: IUCV DEFERRED EXECUTION BLOCK
DSECT : IXBLK
FUNCTION : TO DEFER EXECUTION OF AN IUCV FUNCTION. USED BY IUCV
CP SYSTEM SERVICES FOR THE SEND AND CONNECT IUCV
FUNCTIONS.
LOCATED BY : IUCPNDHD FIELD OF HCPCCTBK
CREATED BY : INVOKER OF IUCV FUNCTION
DELETED BY : INVOKER OF IUCV FUNCTION
NOTES : USED EXCLUSIVELY BY IUCV SYSTEM SERVICES
IXBLK Control Block Content
IXBLK DSECT
Hex Dec Type/Val Lng Label (dup) Comments
---- ---- --------- ---- -------------- --------
0000 0 Structure IXBLK IUCV DEFERRED EXECUTION BLOCK
**** THE VALUE OF IPSIZE FOR DATAMAP IS 5
0000 0 Dbl-Word 8 IXBPARM (5) PARM LIST AREA
0028 40 Bitstring 64 IXBREGS (0) REGISTER SAVE AREA
0028 40 Signed 4 IXBR0
002C 44 Signed 4 IXBR1
0030 48 Signed 4 IXBR2
0034 52 Signed 4 IXBR3
0038 56 Signed 4 IXBR4
003C 60 Signed 4 IXBR5
0040 64 Signed 4 IXBR6
0044 68 Signed 4 IXBR7
0048 72 Signed 4 IXBR8
004C 76 Signed 4 IXBR9
0050 80 Signed 4 IXBR10
0054 84 Signed 4 IXBR11
0058 88 Signed 4 IXBR12
005C 92 Signed 4 IXBR13
0060 96 Signed 4 IXBR14
0064 100 Signed 4 IXBIRA INTERRUPT RETURN ADDRESS
0068 104 Signed 4 IXBNEXT ADD OF NEXT IXBLK IN PEND. CHAIN
006C 108 Signed 4 * RESERVED
**** THE VALUE OF IPSIZE FOR DATAMAP IS 5
0070 112 Dbl-Word 8 IXBXBLOK (5) EXTERNAL BUFFER AREA
00000013 IXBSIZE (*-IXBLK+7)/8 IXBLOK SIZE IN
DOUBLEWORDS
IXBLK Storage Layout
*** IXBLK - IUCV DEFERRED EXECUTION BLOCK
*
* +-------------------------------------------------------+
* 0 | |
* = IXBPARM =
* | |
* +---------------------------+---------------------------+
* 28 | IXBR0 | IXBR1 |
* +---------------------------+---------------------------+
* 30 | IXBR2 | IXBR3 |
* +---------------------------+---------------------------+
* 38 | IXBR4 | IXBR5 |
* +---------------------------+---------------------------+
* 40 | IXBR6 | IXBR7 |
* +---------------------------+---------------------------+
* 48 | IXBR8 | IXBR9 |
* +---------------------------+---------------------------+
* 50 | IXBR10 | IXBR11 |
* +---------------------------+---------------------------+
* 58 | IXBR12 | IXBR13 |
* +---------------------------+---------------------------+
* 60 | IXBR14 | IXBIRA |
* +---------------------------+---------------------------+
* 68 | IXBNEXT |///////////////////////////|
* +---------------------------+---------------------------+
* 70 | |
* = IXBXBLOK =
* | |
* +-------------------------------------------------------+
* 98
*
*** IXBLK - IUCV DEFERRED EXECUTION BLOCK
IXBLK Cross Reference
Symbol Dspl Value -------------- ---- ----- IXBIRA 0064 IXBNEXT 0068 IXBPARM 0000 IXBREGS 0028 IXBR0 0028 IXBR1 002C IXBR10 0050 IXBR11 0054 IXBR12 0058 IXBR13 005C IXBR14 0060 IXBR2 0030 IXBR3 0034 IXBR4 0038 IXBR5 003C IXBR6 0040 IXBR7 0044 IXBR8 0048 IXBR9 004C IXBSIZE 0070 00000013 IXBXBLOK 0070
Copyright IBM Corporation, 1990, 2002