31 Aug
2006
31 Aug
'06
12:30 p.m.
On 8/31/06, John Maddock <john@johnmaddock.co.uk> wrote:
In any case all the implementations I'm aware of are minimally thread safe these days, if that's not the case I'd certainly like to hear about it. BTW implementations that used copy-on-write in the early days almost all (all?) switched away from that precisely because of threading issues.
Even the latest libstdc++ (GNU's Standard C++ library) uses a refcounted std::string. One needs to be careful when sharing strings across thread boundaries. See these bug reports for a detailed discussion: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=10350 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21334 -- Caleb Epstein