TDF_SYSTHREAD
constty_td->td_flags |= TDF_SYSTHREAD;
curthread->td_flags |= TDF_SYSTHREAD;
if (curthread->td_flags & TDF_SYSTHREAD)
if (curthread->td_flags & TDF_SYSTHREAD)
if (curthread->td_flags & TDF_SYSTHREAD)
curthread->td_flags |= TDF_SYSTHREAD;
curthread->td_flags |= TDF_SYSTHREAD;