Backout - MQ_BACK_EXIT

 

MQ_BACK_EXIT provides a backout exit function to perform before and after backout processing. Use function identifier MQXF_BACK with exit reasons MQXR_BEFORE and MQXR_AFTER to register before and after backout call exit functions.

The interface to this functions:

MQ_BACK_EXIT (&ExitParms, &ExitContext, &Hconn, &CompCode, &Reason)
where the parameters are:

ExitParms (MQAXP) - input/output

Exit parameter structure.

ExitContext (MQAXC) - input/output

Exit context structure.

Hconn (MQHCONN) - input

Connection handle.

CompCode (MQLONG) - input/output

Completion code, valid values for which are:

MQCC_OK

Successful completion.

MQCC_WARNING

Partial completion.

MQCC_FAILED

Call failed

Reason (MQLONG) - input/output

Reason code qualifying the completion code.

If the completion code is MQCC_OK, the only valid value is:

MQRC_NONE

(0, x'000') No reason to report.
If the completion code is MQCC_FAILED or MQCC_WARNING, the exit function can set the reason code field to any valid MQRC_* value.

 

Parent topic:

The API exit functions


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