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TITLE 'GUEXPI - GLOBAL USER EXIT PROGRAM WITH XPI'
*************************************************************************
* The first three instructions set up the global user exit *
* environment, identify the user exit point, prepare for the use of *
* the exit programming interface, and copy in the definitions that *
* are to be used by the XPI function. *
*************************************************************************
*
DFHUEXIT TYPE=EP,ID=XFCREQ PROVIDE DFHUEPAR PARAMETER
* LIST FOR XFCREQ IN THE FILE
* CONTROL PROGRAM AND LIST
* OF EXITID EQUATES
*
DFHUEXIT TYPE=XPIENV SET UP ENVIRONMENT FOR
* EXIT PROGRAMMING INTERFACE --
* MUST BE ISSUED BEFORE ANY
* XPI MACROS ARE ISSUED
*
COPY DFHSMMCY DEFINE PARAMETER LIST FOR
* USE BY DFHSMMCX MACRO
*
*************************************************************************
* The following DSECT maps a storage area you can use to make the *
* exit program reentrant by storing the address of the storage you *
* acquire in the first four bytes of the 260-byte area provided by *
* the user exit handler (DFHUEH) and addressed by UEPXSTOR. *
*************************************************************************
*
TRANSTOR DSECT DSECT FOR STORAGE OBTAINED BY
* GETMAIN
.
.
.
storage declarations
.
.
.
*
Figure 11. Global user exit program with XPI (Part 1 of 5)
XPI examples
Chapter 3. The user exit programming interface (XPI) 293