On 29 May 2012, at 12:24, Stephane Sudre wrote:
> On Tue, May 29, 2012 at 10:52 AM, Mark Allan
> Hi all,
>> 
>> I posted this to the developer forums yesterday but I think this list 
>> probably gets a good bit more eyeball than the forum, so I'm sending here 
>> too. Sorry for the cross-post if you're seeing it twice.  Anyway...
>> 
>> I'm trying to put together the last bits and pieces of sandboxing my app but 
>> I've just hit a problem.  I don't appear to be able to use launchctl to 
>> schedule tasks any more.
>> 
>> With my app sandboxed, I'm launching an NSTask with the following launch 
>> path and arguments:
>>> /bin/launchctl load -w /Users/mark/Library/Containers/<my app 
>>> identifier>/Data/Library/LaunchAgents/<my app identifier>.helpername.plist
>> 
>> 
>> I'm using the correct APIs to get the path and read/write the 
>> helpername.plist file.  As per other command line tools I launch via NSTask, 
>> launchctl is presumably inheriting the same entitlements as my main 
>> application, but launchctl obviously needs to modify other files to which my 
>> app normally wouldn't have access - namely:[...]
> 
> SMLoginItemSetEnabled can be a solution.
> 
> https://developer.apple.com/library/mac/#documentation/MacOSX/Conceptual/BPSystemStartup/Chapters/CreatingLoginItems.html

Hi Stephane,

Thanks for your reply, but that's not quite what I'm looking for.  I'm not 
using launchctl to set a startup/login item, I'm using it to allow the user to 
specify a schedule to perform various tasks based on a particular time and day 
of the week.  While I could write a login item which ran indefinitely and took 
care of the timing myself, it seems like I'd be reinventing the wheel!

I already moved from cron to launchd to support the AppStore, which was a pain, 
so I really hope Apple doesn't want me to roll my own timing mechanism just to 
support sandboxing!

Still, it's an option which I'll bear in mind, so thanks for that.

Mark


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