On Sun, May 31, 2009 at 3:57 PM, Uli Kusterer
<witness.of.teacht...@gmx.net>wrote:
> Am 31.05.2009 um 12:12 schrieb Jelle De Laender:
>
>> Can you give us so more details? For example: What will the app do?
>> Your description is very strange, lol.
>>
>> But indeed, you should create a normal cocoa app that do the stuff you
>> want to do (UI + the real stuff),
>> and a little daemon that checks every X minutes if the other app is
>> running:
>> yes: ok, continue
>> no: start app (log message? App was stopped)
>>
>
>
> Look at CFNotification and the distributed notification center (I thought
> there was a Cocoa variant of that, but I can't seem to find it) for a way to
> detect whether your app has hung. You could just do a ping/pong set of
> question/reply notifications that your daemon sends to your app and gets a
> reply. If the app is still running but there's no reply within a sensible
> timeframe, something has gone wrong.
>
This seems like a very doable approach. Anyhow, the daemon itself might
crash, so I would go for a cron job that runs say every 5 mins,
Now let's assume the app was running and not responding, I couldn't find any
API to "force quit" another application. Would a `kill -9 {process ID}` be
sufficient?
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