Storage control XPI functions

The XPI provides seven storage control functions.

DFHSMMCX macro calls

These are the DFHSMMCX macro calls:

GETMAIN
FREEMAIN
INQUIRE_ELEMENT_LENGTH
INQUIRE_TASK_STORAGE

DFHSMMCX calls cannot be used in any exit program invoked from any global user exit point in the following domains or program:

Dispatcher domain
Dump domain
Monitor domain
Statistics domain
Transient data program

DFHSMSRX macro calls

These are the DFHSMSRX macro calls:

INQUIRE_ACCESS
INQUIRE_SHORT_ON_STORAGE
SWITCH_SUBSPACE