TSF_SHUTDOWN
tsock->ts_flags |= TSF_SHUTDOWN;
ASSERT(!(tsock->ts_flags & TSF_SHUTDOWN));
ASSERT(!(tsock->ts_flags & TSF_SHUTDOWN));
ASSERT(!(tsp->ts_flags & TSF_SHUTDOWN));
ASSERT(!(tsock->ts_flags & TSF_SHUTDOWN));
ASSERT(!(tsock->ts_flags & TSF_SHUTDOWN));