Re: Several Questions
Re: Several Questions
- Subject: Re: Several Questions
- From: Ammar Ibrahim <email@hidden>
- Date: Wed, 3 Jun 2009 04:06:41 +0300
On Tue, Jun 2, 2009 at 3:48 AM, Todd Heberlein <email@hidden>wrote:
> Great, so I understand from what you're saying that I can launch a GUI app
>> using launchd?
>>
>
> Out of curiosity, I just tried this. I created a basic Cocoa app (I made no
> changes to it, I just built the default skeleton application that Xcode
> creates for you). The project is in the directory:
> /Users/heberlei/Development/Tests/BasicApp/
> and the full path to the program is
>
> /Users/heberlei/Development/Tests/BasicApp/build/Debug/Basic.app/Contents/MacOS/BasicApp
>
> I then created a launchd XML file called app_shouldnt_die.plist and put it
> in the directory
>
> /Library/LaunchAgents
>
> (I also set it to be owned by root:wheel, don't know if that matters).
>
> Now when I log in, that BasicApp starts up. If I quit the app, it starts
> again (usually within ~5 seconds). If I do the "kill <pid>" command from the
> command line, the application starts again.
>
> Also, when I login as a completely different user, the application still
> starts up automatically. So no matter who logs in, they have to live with
> this darn app alway on. Pretty cool (or maybe just irritating :).
>
> The content of app_shouldnt_die.plist that directs launchd to always keep
> the program running is:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "
> http://www.apple.com/DTDs/PropertyList-1.0.dtd";>
> <plist version="1.0">
> <dict>
> <key>Label</key>
> <string>com.netsq.app_shouldnt_die</string>
> <key>Program</key>
>
> <string>/Users/heberlei/Development/Tests/BasicApp/build/Debug/BasicApp.app/Contents/MacOS/BasicApp</string>
> <key>KeepAlive</key>
> <true/>
> </dict>
> </plist>
>
>
This is VERY useful, thanks Todd.
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