Re: launchd and fork/exec?
Re: launchd and fork/exec?
- Subject: Re: launchd and fork/exec?
- From: Dave Zarzycki <email@hidden>
- Date: Wed, 24 May 2006 16:04:10 -0700
On May 24, 2006, at 12:24 PM, Brian Bergstrand wrote:
I have a tool that loads a non-IOKit kext via executing kextload.
For various reasons, using kextload directly from the launchd plist
won't work (the tool does some pre and post processing).
Reading the launchd Getting Started doc I see:
"The only things that are strictly prohibited, however, are fork()/
exit() combinations (including indirect methods, such as the daemon
(3) library call)."
I'm not forking a child of the tool, but of course my tool fork/
exec's kextload (and kextunload and possibly kextstat). When this
happens, launchd starts spewing errors in system.log and re-spawning
my tool.
Is there anything I can do to work around this? Or do I just have to
live with the spurious errors/respawns?
That's not really what launchd was meant for, but if you must,
RunAtLoad is the flag you want to set to true and you want OnDemand
also set to true (or not set at all).
davez
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