Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM. |
TRGBK
PrologControl Block Contents
TRGBK DSECT
Storage Layout
Cross Reference
TRGBK Prolog
NAME : HCPTRGBK DESCRIPTION: ISFC CP Application target control block 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
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 30 Mar 2001 at 09:01:58 EDT.
Copyright IBM Corporation, 1990, 2001