On 7 Dec 2011, at 12:45 AM, Rajendran P wrote:

> My problem is that  applicationWillTerminate  is not being invoked when my 
> launch agent is manually unloaded . My application is  uielement  with out 
> dock entry . I am able to do a signal handling , low level unix signal 
> handling like  sigkill , sighup etc .

What makes you believe that killing a process through launchctl calls AppKit 
methods that propagate nicely to applicationWillTerminate:? "man 5 
launchd.plist" says it sends SIGTERM, which I don't believe AppKit intercepts 
(maybe it would be nice if it did); and after a delay, SIGKILL, which AppKit, 
I'm pretty sure, does not intercept.

"Creating Launch Daemons and Agents" advises you to provide a SIGTERM handler, 
and doesn't mention AppKit termination at all.

        — F

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