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Usage notes

 

1. The MQ_GET_EXIT function interface described here is used for both the MQXF_GET exit function and the MQXF_DATA_CONV_ON_GET exit function. However, separate entry points are defined for these two exit functions, so to intercept both the MQXEP call must be used twice – once with function identifier MQXF_GET, and again with MQXF_DATA_CONV_ON_GET.

   Because the MQ_GET_EXIT interface is the same for MQXF_GET and MQXF_DATA_CONV_ON_GET, a single exit function can be used for both; the Function field in the MQAXP structure indicates which exit function has been invoked. Alternatively, the MQXEP call can be used to register different exit functions for the two cases.

2. There is no MQXR_AFTER exit function for MQXF_DATA_CONV_ON_GET; the MQXR_AFTER exit function for MQXF_GET provides the required capability for exit processing after data conversion.

 

Parent topic:

MQ_GET_EXIT – Get message

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