The initialization exit
The initialization exit is invoked once during DFHCSDUP initialization. Its purpose is to allow a routine to perform exit-related initialization.
For example, the routine may obtain its own global work area and save its address in UEPGAA and its length in the halfword pointed to by UEPGAL. These values are retained by DFHCSDUP and become available at the other exit points.
- When invoked
- Invoked once, on entry to DFHCSDUP.
- Exit-specific parameters
- None.
- Return codes
-
- UERCNORM (X'00')
- Continue processing.
- UERCERR
- Irrecoverable error. This causes DFHCSDUP to terminate with a return code of ‘8'.
- XPI calls
- Must not be used.