Evgeniy Polyakov wrote:

On Fri, Sep 11, 2009 at 05:51:42PM -0400, Eric Paris (eparis@redhat.com) wrote:

quoted

For some things yes, some things no.  I'd have to understand where loss
can happen to know if it's feasible.  If I know loss happens in the
sender context that's great.  If it's somewhere in the middle and the
sender doesn't immediately know it'll never be delivered, yes, I don't
think it can solve all my needs.  How many places can and skb get lost
between the sender and the receiver?

When queue is full or you do not have enough RAM. Both are reported at
'sending' time.

Can you ->poll() and wait reliably until the queue will accept an skb?
(A few spurious EAGAINs/ENOBUFs is ok, as long as it's not the norm).

-- Jamie