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Re: How to detect and disable/delay sleep event in cocoa for some critical threads to complete
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Re: How to detect and disable/delay sleep event in cocoa for some critical threads to complete


  • Subject: Re: How to detect and disable/delay sleep event in cocoa for some critical threads to complete
  • From: Ken Ferry <email@hidden>
  • Date: Thu, 15 Oct 2009 23:21:36 -0700

Hi Parimal,
See NSWorkspace.

NSWorkspaceWillSleepNotification
Posted before the machine goes to sleep. An observer of this message can
delay sleep for up to 30 seconds while handling this notification.

-Ken


On Thu, Oct 15, 2009 at 10:36 PM, Parimal Das <email@hidden>wrote:

> Hi All
>
> When my app is doing some critical I/O transactions with OpenSsl,
> And the user is sleeping the machine (just by folding the laptop).
> Some of the app threads are hanging
>
> Is there any way in cocoa to do following steps? Also is this logic
> correct?
>
> 1. Detect when a sleep (soft or hard) is issued
> 2. Delay sleep till my threads come out
> 3. Then continue to going into sleep.
>
> Please suggest.
>
> Thank you
> -Parimal Das
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References: 
 >How to detect and disable/delay sleep event in cocoa for some critical threads to complete (From: Parimal Das <email@hidden>)

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