WebSphere MQ for z/OS

The exits are invoked as if by a z/OS LINK, in:

The link-edited modules must be placed in the data set specified by the CSQXLIB DD statement of the channel initiator address space procedure; the names of the load modules are specified as the exit names in the channel definition.

When writing channel exits for z/OS, the following rules apply:

The following exit samples are provided with WebSphere MQ for z/OS:

CSQ4BAX0
This sample is written in assembler, and illustrates the use of MQXWAIT.
CSQ4BCX1 and CSQ4BCX2
These samples are written in C and illustrate how to access the parameters.