Chapter Contents

The Windowing Interface

Restoring Control and Exiting the Debugger

This section explains how to restore control to the debugger when, for example, a program that you are running is not responding, or is "hung" in an infinite loop. It also explains how to exit the debugger.

Attention Key

The attention key can be used to restore control to the debugger when a problem is encountered during a debugging session. Pressing the attention key has various consequences,which depend on

which debugger command you have issued
the type of problem that you are debugging (an infinite loop, for example)
whether you are running the SAS/C Debugger with your operating environment debugger.

Under TSO, for example, the most general case is that user control is returned when you press the attention key. Under CMS, pressing the attention key toggles CP and CMS.

Exiting the Debugger

The exit command is used to exit the debugger. It is assigned to the PF3 key by default, or it can be issued from the Command window. See Command Directory for complete details of the exit command.

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