[launchd-dev] Programmatic interface to launchctl and some other questions, OS X 10.5

[Dave MacLachlan]

On Oct 26, 2010, at 5:49 AM, eveningnick eveningnick wrote:
> 
> I am wondering, if from the launchctl sources (i've heard they are
> available) i could extract the code to load/start/unload/list the
> agents, instead of calling the "launchctl" terminal application with
> fork/exec and waiting in the pipe for their result (and parsing that
> result). What i mean is - of course, launchctl and launchd can have
> changed with time, and my application will become invalid, but so can
> the launchctl's console output, that i'm parsing. And, for example,
> when i expect the text "12345 1 com.mycompany.myagent" to be returned
> with "launchctl list | grep", i may get something different and think
> "Oh well, my agent is not running yet, let's start it again" (this is
> just an example). Why is this solution considered to be better than
> calling API's directly?

Perhaps these will be of use?

http://code.google.com/p/google-toolbox-for-mac/source/browse/trunk/Foundation/GTMServiceManagement.c
http://code.google.com/p/google-toolbox-for-mac/source/browse/trunk/Foundation/GTMServiceManagement.h

Cheers,
Dave
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