Rational Developer for System z
Enterprise PL/I for z/OS, Version 3.8, Language Reference Manual

ATTENTION condition

Status
ATTENTION is always enabled.
Result
Raising the condition causes an ATTENTION ON-unit to be entered. If there is no ATTENTION ON-unit, the application is terminated.
Cause and syntax
The ATTENTION condition is raised when the user hits a specific key combination to interrupt an application. The specific key is determined by the operating system as follows:

The condition can also be raised by a SIGNAL ATTENTION statement.

Read syntax diagramSkip visual syntax diagram>>-ATTENTION---------------------------------------------------><
 
Abbreviation
ATTN
Implicit action
The application is terminated.
Normal return
On return from an ATTENTION ON-unit, processing is resumed at a point in the program immediately following the point at which the condition was raised.
Condition code
400

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