Multi-threading access to device drivers.

[Matthew Dillon]

:>    If it's a regular file [...]
:
:BZZZT!  Wrong, but thanks for playing.  (We are talking devices here)
:
:-- 
:Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20

    Well, most devices don't give a damn about the file offset supplied
    in the UIO from the file descriptor, so if it isn't a regular file
    why would you care?  You should just parallel entry into the device and
    let the device take care of any required serialization.

					-Matt
					Matthew Dillon 
					<dillon at backplane.com>