Peter Grehan 077a0fb8b6 - correctly set the return value for the copyin/out fault buffer to 1
so setfault would return correctly when a page fault was invalid
  (e.g. a syscall with a bad parameter).

  This caused an endless DSI loop, seen when running sendmail which
  does a setlogin() call with a NULL pointer.

- introduce KTR_SYSC tracing. expose the syscallnames[] array to
  make the tracing more readable.
2004-07-09 11:00:41 +00:00
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