Return Codes

All mainline exits can pass back a return code in register 15. CSFEXIT1, CSFEXIT2, and CSFEXIT3 support these decimal return codes:
Return Code
Description
0
Proceed with initialization.
16
End ICSF.
Any return codes other than those listed cause ICSF to end abnormally.
CSFEXIT4 supports these decimal return codes:
Return Code
Description
0
Proceed with the STOP command.
4
Do not allow the STOP command to proceed.
Any return codes other than those listed cause processing of the STOP command to end abnormally.
CSFEXIT5 supports these decimal return codes:
Return Code
Description
0
Continue processing.
4
End ICSF.
Any return codes other than those listed cause processing of the MODIFY command to end abnormally.