On 10-May-2000, Sverker Nilsson <[EMAIL PROTECTED]> wrote:
> Fergus Henderson wrote:
> > To give you a practical example: on SPARCs, the contents of
> > uninitialized stack slots are unspecified, and in practice they are
> > nondeterministic. This happens because the SPARC's register windows
> > get flushed to the stack when a context switch occurs, and the timing
> > of context switches is in general nondeterministic. If you write a C
>
> Which OS on the Sparc are you referring to?
SunOS.
> Seems to me that this OS doesn't support transparent context
> switches.
Yes. Off-hand, I'm not sure whether this is merely a flaw of the
OS or whether it is due to the hardware. I guess comp.arch would be
the place to go to find people who know the answer to that.
--
Fergus Henderson <[EMAIL PROTECTED]> | "I have always known that the pursuit
WWW: <http://www.cs.mu.oz.au/~fjh> | of excellence is a lethal habit"
PGP: finger [EMAIL PROTECTED] | -- the last words of T. S. Garp.
