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Programming Interface Information:
This information is NOT
intended to be
used as Programming Interfaces of VM/ESA. It is to be used for diagnosis only. |
XCTBK
Cross Reference (Contains links to field and bit definitions)
XCTBK Prolog
Name : HCPXCTBK
Description: CP Exit Control Block
DSECT : XCTBK
STATUS : VM/ESA Version 2, Release 4.0
Function : This control block contains information used to
control the structure of XITBKs.
Located by : SYSCM.SYSEXITS
Created by : HCPZXUIN
Deleted by : none
XCTBK Control Block Content
XCTBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure XCTBK CP Exit Control Block 0000 0 Dbl-Word 8 XCTUSRD1 Reserved for non-IBM use 0008 8 Dbl-Word 8 XCTUSRD2 Reserved for non-IBM use 0010 16 Signed 4 XCTUSRF1 Reserved for non-IBM use 0014 20 Signed 4 XCTUSRF2 Reserved for non-IBM use 0018 24 Signed 2 XCTUSRH1 Reserved for non-IBM use 001A 26 Signed 2 XCTUSRH2 Reserved for non-IBM use 001C 28 Bitstring 1 XCTUSRX1 Reserved for non-IBM use 001D 29 Bitstring 1 XCTUSRX2 Reserved for non-IBM use 001E 30 Bitstring 1 XCTUSRX3 Reserved for non-IBM use 001F 31 Bitstring 1 XCTUSRX4 Reserved for non-IBM use 0020 32 Dbl-Word 8 XCTRDXLK (3) Lock word to serialize additions to the XITBK radix tree. 0038 56 Dbl-Word 8 XCTEDCLK (3) Lock word to serialize testing of the XITBKs with processing by ENABLE and DISABLE commands. 0050 80 Address 4 XCTRADIX Address of XITBK tree structure 0054 84 Address 4 XCTBITMP Address of XITBK tree bit map 0058 88 Dbl-Word 8 XCTCMPLK (3) Lock word to serialize activities involving the chain of CMPBKs. 0070 112 Address 4 XCTCMPAD Address of CMPBK chain 0074 116 Address 4 * Reserved 0078 120 Dbl-Word 8 XCTDEDLK (3) Lock word to serialize activities involving the chain of DEDBKs 0090 144 Address 4 XCTDEDAD Address of DEDBK chain 0094 148 Address 4 * Reserved 0098 152 Dbl-Word 8 XCTMSACT Cummulative active time for all exits 00A0 160 Dbl-Word 8 XCT$END (0) End on a d-word
XCTBK Storage Layout
*** XCTBK - CP Exit Control Block * * +-------------------------------------------------------+ * 0 | XCTUSRD1 | * +-------------------------------------------------------+ * 8 | XCTUSRD2 | * +---------------------------+---------------------------+ * 10 | XCTUSRF1 | XCTUSRF2 | * +-------------+-------------+------+------+------+------+ * 18 | XCTUSRH1 | XCTUSRH2 |:USRX1|:USRX2|:USRX3|:USRX4| * +-------------+-------------+------+------+------+------+ * 20 | | * = XCTRDXLK = * | | * +-------------------------------------------------------+ * 38 | | * = XCTEDCLK = * | | * +---------------------------+---------------------------+ * 50 | XCTRADIX | XCTBITMP | * +---------------------------+---------------------------+ * 58 | | * = XCTCMPLK = * | | * +---------------------------+---------------------------+ * 70 | XCTCMPAD |///////////////////////////| * +---------------------------+---------------------------+ * 78 | | * = XCTDEDLK = * | | * +---------------------------+---------------------------+ * 90 | XCTDEDAD |///////////////////////////| * +---------------------------+---------------------------+ * 98 | XCTMSACT | * +-------------------------------------------------------+ * A0 | | * = XCT$END = * | | * +-------------------------------------------------------+ * *** XCTBK - CP Exit Control Block
XCTBK Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----XCT$END 00A0
XCTBITMP 0054
XCTCMPAD 0070
XCTCMPLK 0058
XCTDEDAD 0090
XCTDEDLK 0078
XCTEDCLK 0038
XCTMSACT 0098
XCTRADIX 0050
XCTRDXLK 0020
XCTUSRD1 0000
XCTUSRD2 0008
XCTUSRF1 0010
XCTUSRF2 0014
XCTUSRH1 0018
XCTUSRH2 001A
XCTUSRX1 001C
XCTUSRX2 001D
XCTUSRX3 001E
XCTUSRX4 001F
Last updated on 3 Aug 1999 at 13:49:34 EDT.
Copyright IBM Corporation, 1990, 1999