IBM SC33-1683-02 - Manual (Page 396)

2. ‘INSUFFICIENT_STORAGE’ is returned if the GETMAIN request was specified
with SUSPEND(NO), and there was not enough storage available to satisfy the
request.
3. ‘PURGED’ is returned if the GETMAIN request was specified with SUSPEND
(YES), there was not enough storage to satisfy the request, and the task was
purged.
The FREEMAIN call
FREEMAIN releases an area of storage that is currently allocated to your exit
program.
FREEMAIN
DFHSMMCX [CALL,]
[CLEAR,]
[IN,
FUNCTION(FREEMAIN),
ADDRESS(name4 | (Rn) | *),
[STORAGE_CLASS(CICS|CICS24|SHARED_CICS|SHARED_CICS24|
SHARED_USER|SHARED_USER24|USER|USER24|TERMINAL),]
[TCTTE_ADDRESS(pointer),]]
[OUT,
RESPONSE(name1 | *),
REASON(name1 | *)]
The explanation of the options is the same as that given above for the GETMAIN
function.
RESPONSE and REASON values for FREEMAIN:
RESPONSE REASON
OK None
EXCEPTIONNone None
DISASTER None
INVALID None
KERNERROR None
PURGED None
Note: For more detail, refer to the explanation of RESPONSE and REASON in
“General form of an XPI call” on page 286.
The INQUIRE_ACCESS call
INQUIRE_ACCESS returns the access-key of an element of storage specified by
start address and length. If the element is not wholly contained within one of the
CICS dynamic storage areas (DSAs), CICS returns an exception response.
storage control functions
364 CICS TS for OS/390: CICS Customization Guide