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    SubjectRe: [linux-pm] [suspend/resume] Re: userspace notific ation from module
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    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

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