Re: SO_SNDBUF makes select() hang
DUPRE Christophe (msmith@quix.robins.af.mil)
Sat, 27 Jul 1996 11:50:51 -0400 (EDT)
> > Hm, while playing with setting SO_SNDBUF through setsockopt() I noticed
> > this behavior: if SO_SNDBUF is set low (I was trying 128) then select()
> > won't ever show the socket as available for writing.
>
> We handle our send/receive buffers as including header sizes (ie sk_buff
> struct overhead) and the like. That means setting ultra low values won't
> work nicely for all sorts of pathalogical cases.
For cases like this, why not have setsockopt() return -EINVAL. Breaking
the code there is better than a infite block.