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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. |
CASBK
Cross Reference (Contains links to field and bit definitions)
CASBK Prolog
Name : HCPVEXBK
Description: Map Contiguous Available Slots
DSECT : CASBK
Notes :
The following describes a CASBK - group of contiguous
available slots in the current extent. They are
located in VEXSPACA or VEXPGACA.
CASBK Control Block Content
CASBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure CASBK Map Contiguous Available Slots 0000 0 Bitstring 1 CASLEN Number of slots 0001 1 Bitstring 1 CASNXT Pointer to next CASBK 0002 2 Signed 2 CASLOC Starting slot 00000004 CASSZ (*-CASBK) Size of one CASBK 00000010 CASNUM 16 Number of CASBKs in VEXSPACA or VEXPGACA.
CASBK Storage Layout
*** CASBK - Map Contiguous Available Slots * * +------+------+-------------+ * 0 |CASLEN|CASNXT| CASLOC | 4 * +------+------+-------------+ * *** CASBK - Map Contiguous Available Slots
CASBK Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----CASLEN 0000
CASLOC 0002
CASNUM 0002 00000010
CASNXT 0001
CASSZ 0002 00000004
Last updated on 3 Aug 1999 at 13:44:56 EDT.
Copyright IBM Corporation, 1990, 1999