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This macro is used to check return codes resulting from access of the Media Database using the CTTACCDB macro.
Format
Instructions for the CTTCHKDB macro are formatted as follows:
label CTTCHKDB ERR=error‑routine,
PARMS=work‑area
Table 252 Format for Macro CTTCHKDB Instructions
Term |
Description |
|---|---|
error‑routine
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Points to a subroutine in the source code of the calling program that handles Media Database access errors. For more information, see the following topic. Mandatory. |
work‑area
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Invocation work area of the last CTTACCDB macro. Mandatory. The value for this field must be the same work area specified in the parameters for CTTACCDB. |
The CTTCHKDB macro must be coded in accordance with all standard macro Assembler coding restrictions.
Values in general purpose registers 0, 1 and 15 are modified by the CTTCHKDB macro.
Parent Topic |