For BSD only try to avoid locking if there is something to read and its ready on the top of the queue.
For BSD only try to avoid locking if there is
something to read and its ready on the top of the queue.

timsuchanek/sctp-refimpl,TopPano/sctp-refimpl,sdd330/sctp-refimpl,xwhuang/sctp-refimpl,tosakanth/sctp-refimpl,timsuchanek/sctp-refimpl,sdd330/sctp-refimpl,ossy-szeged/sctp-refimpl,ossy-szeged/sctp-refimpl,tosakanth/sctp-refimpl,deepak899/sctp-refimpl,gale320/sctp-refimpl,ossy-szeged/sctp-refimpl,ossy-szeged/sctp-refimpl,tosakanth/sctp-refimpl,gale320/sctp-refimpl,tosakanth/sctp-refimpl,TopPano/sctp-refimpl,sdd330/sctp-refimpl,sdd330/sctp-refimpl,TopPano/sctp-refimpl,sdd330/sctp-refimpl,tosakanth/sctp-refimpl,deepak899/sctp-refimpl,TopPano/sctp-refimpl,tosakanth/sctp-refimpl,sctplab/sctp-refimpl,tosakanth/sctp-refimpl,xwhuang/sctp-refimpl,xwhuang/sctp-refimpl,timsuchanek/sctp-refimpl,gale320/sctp-refimpl,timsuchanek/sctp-refimpl,gale320/sctp-refimpl,gale320/sctp-refimpl,deepak899/sctp-refimpl,TopPano/sctp-refimpl,ossy-szeged/sctp-refimpl,gale320/sctp-refimpl,sctplab/sctp-refimpl,sctplab/sctp-refimpl,xwhuang/sctp-refimpl,deepak899/sctp-refimpl,timsuchanek/sctp-refimpl,sdd330/sctp-refimpl,sdd330/sctp-refimpl,timsuchanek/sctp-refimpl,ossy-szeged/sctp-refimpl,tosakanth/sctp-refimpl,tosakanth/sctp-refimpl,TopPano/sctp-refimpl,xwhuang/sctp-refimpl,sctplab/sctp-refimpl,TopPano/sctp-refimpl,gale320/sctp-refimpl,ossy-szeged/sctp-refimpl,timsuchanek/sctp-refimpl,sdd330/sctp-refimpl,ossy-szeged/sctp-refimpl,ossy-szeged/sctp-refimpl,timsuchanek/sctp-refimpl,deepak899/sctp-refimpl,sdd330/sctp-refimpl,TopPano/sctp-refimpl,xwhuang/sctp-refimpl,sctplab/sctp-refimpl,gale320/sctp-refimpl,timsuchanek/sctp-refimpl,gale320/sctp-refimpl,deepak899/sctp-refimpl,sctplab/sctp-refimpl,TopPano/sctp-refimpl