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Date: Wed, 06 Jan 2010 21:37:14 +0100 From: Bartłomiej Zimoń <uzi18@...pl> To: linux-kernel@...r.kernel.org Cc: aeriksson@...tmail.fm, awalls@...ix.net, linux-pm@...ts.linux-foundation.org, Anders Eriksson <aeriksson@...tmail.fm>, danborkmann@...glemail.com Subject: Re: [linux-pm] [suspend/resume] Re: userspace notific ation from module Dnia 6 stycznia 2010 15:35 Anders Eriksson <aeriksson@...tmail.fm> napisał(a): > > uzi18@...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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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