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Best way to catch signals in a Cocoa app

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Best way to catch signals in a Cocoa app

Subject: Best way to catch signals in a Cocoa app
From: John Clayton <email@hidden>
Date: Sun, 14 Nov 2004 17:48:26 -0500

Hi,

Let's say you need to do some cleanup (like terminating some spawned tasks) no matter how your app is quit. So even if someone kills the process from a terminal, the cleanup still happens. I assume using signal handlers are the only way to get access to these events (because handling uncaught exceptions didn't seem to work), but how does one integrate these into a Cocoa app, i.e. where is the proper place to implement them, and what is the correct procedure for getting some object methods called (I know from this list that you can't call ObjC code directly from a signal handler). Any help is appreciated.

Thanks,

John

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