[TUHS] QNX

[Larry McVoy]

On Mon, Feb 08, 2021 at 11:42:34PM -0800, John Gilmore wrote:
> Andrew Warkentin <andreww591 at gmail.com> wrote:
> > A lot of people still seem to believe that microkernels are inherently
> > slow, even though fast microkernels (specifically QNX) predate the
> > slow ones by several years.
> 
> Wait, are we talking about the same operating system called QNX?
> 
> We had a customer at Cygnus in the 1990s (perhaps QNX itself) who wanted
> us to port the GNU compilers to it.  It was the slowest, buggiest system
> we ever tried to run our code on.  I think they claimed POSIX
> compatibility; hollow laugh!  

Has to be a different system.  The QNX I ran on could handle a bunch of
users on terminals on a 286.  But that was pre-POSIX, maybe the POSIX
stuff was crap, I wasn't using it then.