It may be a bug of the thread or future. in boost_1_46_0/doc/html/thread/synchronization.html these Member functions: shared_future class template: Member function get() Member function wait() Member function timed_wait() and unique_future class template: Member function get() Member function wait() Member function timed_wait() Throws: ........ boost::thread_interrupted if the result associated with *this is not ready at the point of the call, and the [current] thread is interrupted. ............ the [current] thread is interrupted. Should be the [working] thread is interrupted ?

...

[Windows XP, VC++ 10, boost 1.46] When interrupt a future, the future.get() throw boost::unknown_exception, Not boost::thread_interrupted.

Class boost::thread_interrupted should have a base class for current_exception_impl() to catch it ? or use BOOST_THROW_EXCEPTION to throw ? //////////

namespace boost { class thread_interrupted {}; } These function use [ throw thread_interrupted(); ] : this_thread ::interruption_point() // pthread / win32 this_thread::interruptible_wait() // win32 interruption_checker:: check_for_interruption()// pthread ///////////// // [Windows XP, VC++ 10, boost 1.46] #include #include #include using namespace boost::posix_time; using namespace boost; int foo() { this_thread::sleep(seconds(1000)); return 0; } int main(int argc, char** argv) { boost::packaged_task<int> pt(&foo); boost::unique_future<int> fi = pt.get_future(); boost::thread task(std::move(pt)); // launch task on a thread task.interrupt(); try { int v = fi.get(); } catch (boost::exception& exc) { std::cerr << "ERROR: " << boost::diagnostic_information(exc) << std::endl; } }

...

// unknown_exception////////////////// ERROR: Throw in function (unknown) Dynamic exception type: class boost::exception_detail::clone_impl<class boost::unknown_exception> std::exception::what: Unknown exception