|
Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
OPNBK
Control Block Contents
OPNBK DSECT
Cross Reference (Contains links to field and bit definitions)
OPNBK Prolog
NAME : HCPOPNBK
DESCRIPTION: ISFC CP Application open control block
DSECT : OPNBK
FUNCTION : Each OPNBK holds information exchanged between CP application
mailboxes when establishing a conversation.
LOCATED BY :
CREATED BY : CP application mailbox on an OPEN function.
DELETED BY : CP application mailbox when releasing an OPEN_C message.
SERIALIZED : The ACTBK lock.
NOTES :
An OPNBK contains information from one CP Application
mailbox to a partner mailbox when a conversation is
being established.
It is used by the CP Application mailbox on OPEN and
OPEN_C messages.
OPNBK Control Block Content
OPNBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments
---- ---- --------- ---- -------------- --------
0000 0 Structure OPNBK ISFC CP Application open control
block
0000 0 Character 8 OPNAPPLT Target CP application name
0008 8 Character 8 OPNNODET Target node name
0010 16 Character 8 OPNAPPLS Source CP application name
0018 24 Character 8 OPNNODES Source node name
00000004 OPNSIZE (*-OPNBK+7)/8 Size, in
doublewords, of OPNBK
OPNBK Storage Layout
*** OPNBK - ISFC CP Application open control block
*
* +-------------------------------------------------------+
* 0 | OPNAPPLT |
* +-------------------------------------------------------+
* 8 | OPNNODET |
* +-------------------------------------------------------+
* 10 | OPNAPPLS |
* +-------------------------------------------------------+
* 18 | OPNNODES |
* +-------------------------------------------------------+
* 20
*
*** OPNBK - ISFC CP Application open control block
OPNBK Cross Reference
Symbol Dspl Value -------------- ---- ----- OPNAPPLS 0010 OPNAPPLT 0000 OPNNODES 0018 OPNNODET 0008 OPNSIZE 0018 00000004
Copyright IBM Corporation, 1990, 2007