lkml.org 
[lkml]   [2010]   [Jan]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [linux-pm] [suspend/resume] Re: userspace notific ation from module
From
Date
Dnia 6 stycznia 2010 15:35 	Anders Eriksson <aeriksson@fastmail.fm> napisał(a):
>
> uzi18@o2.pl said:
> > Ummm sorry, it's IM App, to be realible for such app it's needed to close
> > conn before suspend, because after resume tcp connections will wait
> > (especialy on linux) quiet a lot of time to broke and reconnect.
>
> I don't know the details here, but shouldn't the kernel fix this internally?
>
> If sufficient time have elapsed so the kernel _should_ have sent keep alives
> etc on an othervise idle connection, they shold be sent immediately on resume.
> If the other end has disappeared by then, the resulting port unreachable
> should trigger a local closure of the tcp state which the app will notice
> (EBADF, or similar). Or?
>
> Seems to me the kernel should sit on enough info to handle this nicely.
>

Good bohevior is client to close session before suspend to not loose any message.

Best Regards
Bartlomiej Zimon

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2010-01-06 21:39    [from the cache]
©2003-2011 Jasper Spaans