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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. |
TRGBK
Cross Reference (Contains links to field and bit definitions)
TRGBK Prolog
NAME : HCPTRGBK
DESCRIPTION: ISFC CP Application target control block
STATUS : VM/ESA Version 2, Release 1.0
DSECT : TRGBK
FUNCTION : Each TRGBK holds information about one path to a partner.
LOCATED BY : ACTBK, CARBK
CREATED BY : CP application mailbox on an OPEN function.
DELETED BY : CP application mailbox on a CLOSE function.
SERIALIZED : The ACTBK lock.
NOTES :
A TRGBK contains information about one path to a partner
application. It is used by the CP application mailbox to
find a path to a partner application on another node.
The ACTBK has the anchor to the TRGBK chain.
TRGBK Control Block Content
TRGBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure TRGBK ISFC CP Application target control block 0000 0 Character 8 TRGNODET Target node id 0008 8 Character 8 TRGAPPLT Target application 0010 16 Bitstring 8 TRGPNDOQ Pending open queue 0018 24 Signed 4 TRGNEXT Next TRGBK in chain 001C 28 Signed 4 TRGPTHBK Pointer to PTHBK 0020 32 Signed 4 TRGLOSER PTHBK for OPEN 'loser' 0024 36 Bitstring 1 TRGFLAGS Flag byte: 1... .... TRGBUSY X'80' - Path is busy .1.. .... TRGPNDOP X'40' - OPEN is pending on path 0025 37 Bitstring 1 * (3) Reserved 0028 40 Dbl-Word 8 * Reserved 00000006 TRGSIZE (*-TRGBK+7)/8 Size, in doublewords, of TRGBK
TRGBK Storage Layout
*** TRGBK - ISFC CP Application target control block * * +-------------------------------------------------------+ * 0 | TRGNODET | * +-------------------------------------------------------+ * 8 | TRGAPPLT | * +-------------------------------------------------------+ * 10 | TRGPNDOQ | * +---------------------------+---------------------------+ * 18 | TRGNEXT | TRGPTHBK | * +---------------------------+------+--------------------+ * 20 | TRGLOSER |:FLAGS|////////////////////| * +---------------------------+------+--------------------+ * 28 |///////////////////////////////////////////////////////| * +-------------------------------------------------------+ * 30 * *** TRGBK - ISFC CP Application target control block
TRGBK Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----TRGAPPLT 0008
TRGBUSY 0024 80
TRGFLAGS 0024
TRGLOSER 0020
TRGNEXT 0018
TRGNODET 0000
TRGPNDOP 0024 40
TRGPNDOQ 0010
TRGPTHBK 001C
TRGSIZE 0028 00000006
Last updated on 3 Aug 1999 at 13:39:47 EDT.
Copyright IBM Corporation, 1990, 1999