Re: Not sleeping - Why?
Re: Not sleeping - Why?
- Subject: Re: Not sleeping - Why?
- From: Trygve Inda <email@hidden>
- Date: Sun, 10 May 2009 17:20:16 +0000
- Thread-topic: Not sleeping - Why?
>
> On May 8, 2009, at 12:48 PM, Trygve Inda wrote:
>
>> My app is a background app that sends and receives distributed
>> notifications, reads from a few large mmap'd files and crates a new
>> file
>> every few minutes (and deletes the old one).
>>
>> When it is running, the display sleeps, but the system does not. How
>> can I
>> tell the OS that it is ok to sleep. Since I don't have a GUI, there
>> is never
>> any user interaction.
>>
>> Is it not sleeping because I am creating files?
>>
>
> Yes, the creation of files is what's keeping things from sleeping. I
> ran into the same problem with one of my apps. It loads data rather
> than writes it, but that causes the same problem.
Hmm... It is still not sleeping although the code you provided works. I stop
writing files 10 minutes before it is meant to sleep. One thing is I am
still reading from a file that is mmap'd so I al accessing memory rather
than using the File Manager. Would this disrupt things?
I suppose I could just halt my app completely... Would reading an mmap'd
file disrupt the idle time for the OS?
Trygve
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