slept too long in select()

[Jonathan Ben Avraham]

Hi Erez,
Depends on what resolution you want. See http://lwn.net/Articles/296578/ 
for some background. I doubt that Android can interfere in any way 
except to affect latency in general. What about using an hrtimer?

  - yba


On Wed, 25 Dec 2013, Erez D wrote:

> Date: Wed, 25 Dec 2013 17:27:46 +0200
> From: Erez D <erez0001 at gmail.com>
> To: linux-il <linux-il at cs.huji.ac.il>
> Subject: slept too long in select()
> 
> hello
> 
> i've wrote a native c++ program on linux
> it uses select to wait on events.
> 
> 
> int n=select(maxFd+1,&rfd,&wfds,NULL, &timeval);
> 
> some times, time spent in select() is larger than the time originally in timeval prior to
> calling select.
> i see that many time when i run it on my phone (android).
> 
> is it possible that android uses some machanism to susspend and resume native code
> (i know it does so to java)
> if so, how can i overcome it ?
> 
> 
> thanks,
> erez.
> 
> 
>

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