stas garifulin wrote:
I'm using vc71 with multi-threaded runtime. Sometimes then boost::spirit code is accessed from different threads simultaneously i have access violation at boost/spirit/core/non_terminal/impl/grammar.ipp (255):
# ifdef BOOST_SPIRIT_THREADSAFE static boost::thread_specific_ptr<ptr_t> tld_helper; // <-- Here if (!tld_helper.get()) tld_helper.reset(new ptr_t); ptr_t &helper = *tld_helper; # else
I am afraid the usage of thread_specific_ptr as a local static object is "implementation dependant". The constructors might be called when "first time control passes through its declaration". This would be bad. As far as I know thread_specific_ptr is expected to be constructed before main. Also what does "first time" mean when MT is involved? The standard does not know about MT. Will it be called twice? I think the poiner should be moved to file scope. Roland