[project @ 2002-10-22 11:01:18 by simonmar]

[project @ 2002-10-22 11:01:18 by simonmar]
change the types of cmp_thread, rts_getThreadId, and labelThread to
take StgPtr rather than StgTSO *, since the compiler now has no
distinction between these two types in the back end.

I also noticed that labelThread need not be a primitive: it could just
as well be a normal C function called by the FFI, but I haven't made
that change.