Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
FRXAN
Control Block Contents
FRXAN DSECT
Cross Reference (Contains links to field and bit definitions)
FRXAN Prolog
Name : HCPFRXAN Description: Fast-fit anchor DSECT : FRXAN FUNCTION : Maps the anchor block for the fast-fit tree maintained by HCPFRX. CREATED BY : N/A (statically defined within HCPFRX) DELETED BY : N/A SERIALIZED : All HCPFRX data areas, including this anchor block, are serialised by TSGET on the flag HCPFRXLK. NOTES : This block contains the address and length of the fast-fit memory pool, together with the address and length of the "root" node within the pool. See the prologue of HCPFRX for a more detailed description.
FRXAN Control Block Content
FRXAN DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure FRXAN Fast-fit anchor 0000 0 Signed 4 FRXPOOL Address of memory pool 0004 4 Signed 4 FRXROOT Address of root (largest) node 0008 8 Signed 4 FRXPLEN Length of memory pool in bytes 000C 12 Signed 4 FRXRLEN Length of root node in bytes
FRXAN Storage Layout
*** FRXAN - Fast-fit anchor * * +---------------------------+---------------------------+ * 0 | FRXPOOL | FRXROOT | * +---------------------------+---------------------------+ * 8 | FRXPLEN | FRXRLEN | * +---------------------------+---------------------------+ * 10 * *** FRXAN - Fast-fit anchor
FRXAN Cross Reference
Symbol Dspl Value -------------- ---- ----- FRXPLEN 0008 FRXPOOL 0000 FRXRLEN 000C FRXROOT 0004
Copyright IBM Corporation, 1990, 2004