SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT
if (inp->sctp_flags & SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT)
inp->sctp_flags |= SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
inp->sctp_flags &= ~SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
if (!(stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT))