rwatson c9f007b159 Add an assertion that fifo_open() doesn't race against other threads
while sleeping to allocate fifo state: due to using the vnode lock to
serialize access to a fifo during open, it shouldn't happen (tm).

MFC after:	3 days
2005-09-12 10:06:38 +00:00
..
2005-09-12 08:03:15 +00:00