> 5) so i remove the filter expression by means of setsockopt
> SO_DETACH_FILTER and then regenrate the bpfcode for the nw expression.
>
> 6) now i do a attach operation on the socket by means of setsockopt and
> so attach the new filter.
You can just issue a new SO_ATTACH_FILTER and it will swap them over rather
than having an 'all packets' time. You will have some buffered frames matching
the old filter
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This archive was generated by hypermail 2b29 : Sat Jul 07 2001 - 21:00:18 EST