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Re: launch agent questions



On Jun 14, 2006, at 10:43 AM, Alex Sheh wrote:

I have a few questions related to launch agents.  I realize that there is only one launchd per user, so a GUI session and an ssh login session will not have separate launchd’s, and I’m fine with that (otherwise, I believe loginwindow plist would be recommended). 
 
I have a launch agent that I want to run whenever the user logs in via the GUI window.  I noticed that I need to call system(“launchctl unload com.myCompany.myAgent.plist”) at then very end of executable myAgent, in order for my launch agent to be run again after logging out and logging back in via GUI.  Otherwise my launch agent plist remains loaded and the next time I log back in, nothing happens.  Is this method of unloading at the end of the executable reasonable, or is there another more standard way of doing this?

I'm terribly sorry to report that LaunchAgents are for all practical purposes, busted in Tiger. I'd advise against using them until Leopard. Sorry.

Also, my launch agent really just fires off some other programs and does some synchronization, so it exits after a few seconds.  Is there any way for me to get around the error “9 more failures without living at least 60 seconds will cause job removal”?  I’d rather not add a sleep(60) in my executable. 

I think we have that fixed already in Leopard, but I could be wrong.

davez
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