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ExitUserArea (MQBYTE16)

 

Exit user area.

This is a field that allows exit functions belonging to the same exit suite to share data with each other, but not with other exit suites. The field is initialized to MQXUA_NONE (binary zero) before the first invocation of the first exit function in the exit suite (the MQXF_INIT exit function), and thereafter any changes made to this field by exit functions are preserved across the invocations of the exit functions. The queue manager resets the field to MQXUA_NONE when control returns from the MQXF_TERM exit function to the queue manager.

The following value is defined:

MQXUA_NONE

No user information.

The value is binary zero for the length of the field.

For the C programming language, the constant MQXUA_NONE_ARRAY is also defined; this has the same value as MQXUA_NONE, but is an array of characters instead of a string.

The length of this field is given by MQ_EXIT_USER_AREA_LENGTH. This is an input/output field to the exit.

 

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