Evgeniy Polyakov <[EMAIL PROTECTED]> wrote: > > On Thu, 2005-03-31 at 23:42 -0800, Andrew Morton wrote: > > Evgeniy Polyakov <[EMAIL PROTECTED]> wrote: > > > > > > > What happens if we expect a reply to our message but userspace never > sends > > > > one? Does the kernel leak memory? Do other processes hang? > > > > > > It is only advice, one may easily skip seq/ack initialization. > > > I could remove it totally from the header, but decided to > > > place it to force people to use more reliable protocols over netlink > > > by introducing such overhead. > > > > hm. I don't know what that means. > > Messages that are passed between agents must have only id, > but I decided to force people to use provided seq/ack fields > to store there some information about message order. > Neither kernel nor userspace requires that fields to be > somehow initialized.
Back to my original question. If the kernel expects a reply from userspace to a particular message, and that reply never comes, what happens? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
