problem:the filter module of io-net

i have written a filter module,but when i run "io-net -dpcnet -p/full-path/myfilter.so if=en0 ",the io-net process always exit,why? i write a printf(“ok”) in the init() function,but no result.
any idea is ok!

may someone answer for me.thank very much.

You will have to ask xtang @ chinartos.com/