In article <x7r2u3inin....@ren.fdy2.co.uk>, Robert Swindells <r...@fdy2.co.uk> wrote: > >chris...@astron.com (Christos Zoulas) wrote: >>In article <x7wp3xi6py....@ren.fdy2.co.uk>, >>Robert Swindells <r...@fdy2.co.uk> wrote: >>> >>>I wrote: >>>>Does anyone know why we don't use the input 'optlen' parameter to the >>>>getsockopt(2) syscall, we do write back to it on return. > >[snip] > >>Neither FreeBSD or OpenBSD copyin the value, but I think it is ok to >>do so if it is useful to read the input to deduce the output. But that >>would make the call asymetric, so let's examine the examples where this >>is useful first. > >FreeBSD does copyin the value, but the code to do it is scattered around >the kernel, search for sooptcopyin() in their tree.
Yes, aren't most of the in the sosetopt paths? I am looking for the sogetopt paths... I have not looked carefully to see if there are any. christos
