Re: OS startup done event
Re: OS startup done event
- Subject: Re: OS startup done event
- From: Andreas Fink <email@hidden>
- Date: Thu, 5 Nov 2009 19:59:02 +0100
another workaround would be to simply start immediately but give your backgroundtask a very low priority (nice) so it never gets to run until system load drops to normal.
On 05.11.2009, at 12:35, Anil Kumar K wrote:
> Hi Shantonu
>
> Sorry for the late response. Can you please provide sample code on this. I had seen the header file you suggested but I am confused as to what APIs to call.
>
>
> Thanks
> Anil Kumar
>
> --- On Tue, 27/10/09, Shantonu Sen <email@hidden> wrote:
>
>> From: Shantonu Sen <email@hidden>
>> Subject: Re: OS startup done event
>> To: "Anil Kumar K" <email@hidden>
>> Cc: "darwin-kernel Kernel" <email@hidden>
>> Date: Tuesday, 27 October, 2009, 7:27 PM
>> "OS Startup" is never really done.
>> That said, <IOKit/pwr_mgt/IOPMLib.h> has some APIs
>> related to system load. You can start up and wait for the
>> load to reach an "OK" level (yes, that's a technical term),
>> or some outer bound timeout like 10 minutes.
>>
>> Shantonu
>>
>> Sent from my MacBook
>>
>> On Oct 27, 2009, at 6:07 AM, Michael Crawford wrote:
>>
>>> On Tue, Oct 27, 2009 at 4:45 AM, Anil Kumar K <email@hidden>
>> wrote:
>>>> I have a daemon which has to provide some service.
>> I would like to delay providing this service till completion
>> of the OS startup (all OS daemons are up and running) so
>> that it does not affect boot time. Service initialization is
>> a cpu intensive activity. Is there any OS event to know
>> whether the startup is completed or not?
>>>
>>> Does the login screen have some particular process
>> name? Perhaps you
>>> could poll for its existence, then sleep a few
>> seconds, and iterate
>>> until it appears.
>>>
>>> However the user might have selected automatic login -
>> to handle that
>>> one would need to watch for the Finder to appear as
>> well.
>>>
>>> Mike
>>> --
>>> Michael David Crawford
>>> mdcrawford at gmail dot com
>>>
>>> GoingWare's Bag of Programming
>> Tricks
>>> http://www.goingware.com/tips/
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