From: Bjorn.Karlsson_at_[hidden]
Date: 2004-02-17 09:13:28
> From: Michael Glassford [mailto:glassfordm_at_[hidden]]
> One potential problem that I am aware of is that it is
> possible for the
> m_generation counter (see barrier.cpp) to overflow on systems that
> detect overflow of integer addition instead of wrapping (I
> assume there
> are such systems though I've never used one). Is it
> worthwhile checking
> for this and forcing wrapping in code?
Checking for overflow isn't needed in this case, since the underlying type
is unsigned (and unsigned integer arithmetic does not overflow [per
§3.9.1.4]).
Bjorn