thread-safety definition

[David Abrahams]

Ted Baker <baker at cs.fsu.edu> writes:

> Yes, but it need not be a *huge* amount of cycles.  Protection
> against cancellation can be done via the equivalent of setting one
> bit in a thread descriptor

Setting one bit per nontrivial destructor call would be a performance
disaster for many programs.

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com