Request‑token
Request‑token is a four byte field that is used to specify a user‑defined identifier for the request.
In this language... |
The variable name for Request‑token is... |
COBOL |
DBCAREA‑Request‑token |
PL/I |
Request‑token |
C |
Request‑token |
IBM Assembler |
DBCIURQN |
This routine... |
Does this for Request‑token... |
DBCHINI |
writes |
DBCHCL |
reads (CON; RSUP; IWPF; CMD; IRQ) |
DBCHWAT |
uses |
Request‑token is used by... |
To... |
applications |
write |
Request‑token is maintained for each request and is returned by DBCHWAT when a pending request has completed its transfer.
At the discretion of the application programmer, Request‑token may be used in whatever way is useful.
Request‑token is primarily used by applications running concurrent requests or sessions, most often to index into or point to some application‑maintained request context so that an actual request id and session id can be retrieved for later calls to fetch, rewind, abort, or end a request.