|
|
Boost : |
From: John Maddock (john_at_[hidden])
Date: 2007-03-28 13:45:53
james.jones_at_[hidden] wrote:
> I'm not sure about this, actually - but do the fe* functions
> guarantee thread safety? I read over Sun's documentation and it says
> they do, but can this generally be assumed? N2198 specifies that
> cfenv be used for context, and this is where I got concerned.
Good question: there are no threads as far as C99 is concerned so it doesn't
say. Since these functions basically just return the state of the
underlying hardware, I guess they are as thread safe as the hardware is? A
casual glance at the POSIX spec doesn't seem to help either...
Regards,
John.
Boost list run by bdawes at acm.org, gregod at cs.rpi.edu, cpdaniel at pacbell.net, john at johnmaddock.co.uk