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How to quit app at interrupt time?

Posted on 1997-05-11
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Question by:danieln
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by:danieln
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You CAN'T quit an application from an Interrupt routine. This will works in some case but will freez your Mac in the other case.
At interrupt time, you're not sure that the current Heap is your application heap (and in fact often its was not). So as ExitToShell refer to the current application heap...

The best way to do that, i think is to use AppleEvent. You can send to your application a Quit Application event that willbe correctly executed. This a simple and you can find sample code on Apple Dev CD or on internet Apple Dev server.

The only thing to do is to make sure you store the process reference for your appl at beginning and store it in Global so that you can refer to this process serial number at interrupt time to launch an AppleEvent.

Another way is to build a thread that kill your application. And to make it sleep at startup. Then at interrupt time you just have to wake-up this thread, and this thread call exittoshell. You also have to store the global application process serial number.

Good luck...
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