STXIT events

The table below shows the assignment of event codes to possible STXIT events. They have been taken from the “Executive Macros” manual.

STXIT event class	STXIT operand	Interrupt error	Event code in R3	Type of queue	Max. nesting depth
Program error	PROCHK	Illegal SVC	X' 04'	LIFO	127
		Illegal operation code	X' 58'
		Data error	X' 60'
		Exponent overflow	X' 64'
		Division error	X' 68'
		Mantissa = 0	X' 6C'
		Exponent underflow	X' 70'
		Decimal overflow	X' 74'
		Fixed point overflow	X' 78'
Interval timer CPU time	TIMER	"SETIC interval" expired for CPU time	X' 20'	FIFO	127
Interval timer real time	RTIME	"SETIC interval" expired for real time	X' A0'	FIFO	127
End of program run time	RUNOUT	CPU time limit for task or program exceeded	X' 80'	FIFO	0
Unrecoverable program error	ERROR	Privileged SVC	X' 08'	LIFO	127
		Access to non-existent	X' 48'
		memory page	X' 54'
		Privileged operation	X' 5C'
		Address error	X' 9C'
		XA error (incorrect addressing mode	X' A4'
		Real timer (condition error)	X' AC'
		Alignment error	X' B0'
		Validation error	X' C4'
		Invalid UNIT number in	X' 08'
		standard header	X' 48'
Notification to program	INTR	INFORM-PROGRAM- command	X' 44'	LIFO	127
ESCPBRK	ESCPBRK	BREAK/ESCAPE (using keys)	X' 84'	LIFO	127
Program terminated by asynchronous events	ABEND	System error, disconnection	X' 88'	LIFO	0
		START-EXECUTABLE- PROGRAM, LOAD-EXECUTABLE- PROGRAM, ABEND, EXIT-JOB, CANCEL JOB	X' 8C'
		Address translation error due to hardware error	X' 94'
		Hardware error (CPU)	X' A8'
		Forced unloading of a subsystem (system admin.)	X' B8'
		Unrecoverable DMS error	X‘BC‘
Program terminated by synchronous events	TERM	TERM	X' 90'	LIFO	0
		Program terminated by CMD / LOGOFF macro	X' 98'
SVC interrupt	SVC	Call of a specified SVC	X' 50'	LIFO	127
Hardware error	HWERROR	I/O error in data in virtual technique	X' 28'	LIFO	0