|
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. |
EXRBK
Cross Reference (Contains links to field and bit definitions)
EXRBK Prolog
NAME : HCPEXRBK
DESCRIPTION: exec() remote data map block
DSECT : EXRBK
FUNCTION : This DSECT maps the data that is passed across
systems for a remote exec() request.
LOCATED BY : registers in the exec() modules
CREATED BY : HCPEXE
DELETED BY : HCPEXD, HCPEXE
SERIALIZED : Task ownership
COMMENTS : The EXRBK is used to send information about
a request to the target system, and
information about the status of the request
back to the originator.
EXRBK Control Block Content
EXRBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure EXRBK exec() remote data map block 0000 0 Character 4 EXRICTCH Eyecatcher 00E7D940 EXREXRBK C'EXR ' Valid eyecatcher value 0004 4 Signed 4 EXRTOTLN Total length of the EXRBK, in doublewords. 0008 8 Signed 4 EXRFIXLN Length of the fixed-length portion of the EXRBK, in bytes. 000C 12 Bitstring 1 EXRTYPE Type of request. 000D 13 Bitstring 3 * Reserved for IBM use. 0010 16 Signed 4 EXRREQID Request ID. Used to match this request with the task waiting for its return. 0014 20 Signed 4 EXRRETCD Return code to send to the originating system. 0018 24 Character 8 EXRNODE Node name of the node which originated this request, and to which the reply must be sent. This field is not set by the originating node, but is copied from the CARBK. 0020 32 Address 4 EXRBFLST Address of the first buffer in the chain of data buffers we received from the source. (This is actually the second buffer, since the EXRBK is in the first, but that buffer is no longer in the chain.) 0024 36 Signed 4 EXRTPNLN Length (signed) in bytes of the TPN. 0028 40 Character 64 EXRTPN TPN (target resource name) Length of the block 0000000D EXRSIZE (*-EXRBK+7)/8 EXRBK size in doublewords 00000068 EXRBSIZE *-EXRBK EXRBK size in bytes
EXRBK Storage Layout
*** EXRBK - exec() remote data map block * * +---------------------------+---------------------------+ * 0 | EXRICTCH | EXRTOTLN | * +---------------------------+------+--------------------+ * 8 | EXRFIXLN |:TYPE |////////////////////| * +---------------------------+------+--------------------+ * 10 | EXRREQID | EXRRETCD | * +---------------------------+---------------------------+ * 18 | EXRNODE | * +---------------------------+---------------------------+ * 20 | EXRBFLST | EXRTPNLN | * +---------------------------+---------------------------+ * 28 | | * = EXRTPN = * | | * +-------------------------------------------------------+ * 68 * *** EXRBK - exec() remote data map block
EXRBK Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----EXRBFLST 0020
EXRBSIZE 0028 00000068
EXREXRBK 0000 00E7D940
EXRFIXLN 0008
EXRICTCH 0000
EXRNODE 0018
EXRREQID 0010
EXRRETCD 0014
EXRSIZE 0028 0000000D
EXRTOTLN 0004
EXRTPN 0028
EXRTPNLN 0024
EXRTYPE 000C
Last updated on 3 Aug 1999 at 11:55:11 EDT.
Copyright IBM Corporation, 1990, 1999