condition_variable_fwd.hpp fails to compile when BOOST_THREAD_PROVIDES_INTERRUPTIONS is disabled

[mark.benvenuto@…]

condition_variable_fwd.hpp fails to compile when BOOST_THREAD_PROVIDES_INTERRUPTIONS is disabled because of an undefined variable.

Code in question: #if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS

int res=pthread_mutex_init(&internal_mutex,NULL); if(res) {

boost::throw_exception(thread_resource_error(res, "boost::condition_variable::condition_variable() constructor failed in pthread_mutex_init"));

}

#endif

res = detail::monotonic_pthread_cond_init(cond); if (res) {

#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS

BOOST_VERIFY(!pthread_mutex_destroy(&internal_mutex));

#endif

boost::throw_exception(thread_resource_error(res, "boost::condition_variable::condition_variable() constructor failed in detail::monotonic_pthread_cond_init"));

}

}