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TSSINSTX Characteristics

TSSINS is a single object module with one entry point, TSSINSTX. It resides in the CA Top Secret server nucleus and must be re-entrant.

The Installation Exit is entered in virtual supervisor state in the storage key of the security kernel. The exit must not perform any I/O or invoke security checks.

The Installation Exit is protected by an error recovery routine. In the event of an abend, a SVC dump is taken and the exit is disabled with a message issued to the system operator.