示例#1
0
void p3(boost::shared_future<int> f)
{
  BOOST_THREAD_LOG << "p3 <" << &f << BOOST_THREAD_END_LOG;
  BOOST_TEST(f.valid());
  int i = f.get();
  boost::this_thread::sleep_for(boost::chrono::milliseconds(500));
  BOOST_THREAD_LOG << "p3 <" << &f << " " << i << BOOST_THREAD_END_LOG;
  return ;
}
示例#2
0
    static void run(boost::shared_ptr<queue_type> const& queue,boost::shared_ptr<diag_type> diagnostics,
                    boost::shared_ptr<boost::asynchronous::lockfree_queue<boost::asynchronous::any_callable> > const& private_queue,
                    boost::shared_future<boost::thread*> self,
                    boost::weak_ptr<this_type> this_)
    {
        boost::thread* t = self.get();
        boost::asynchronous::detail::single_queue_scheduler_policy<Q>::m_self_thread.reset(new thread_ptr_wrapper(t));
        // thread scheduler => tss
        boost::asynchronous::any_weak_scheduler<job_type> self_as_weak = boost::asynchronous::detail::lockable_weak_scheduler<this_type>(this_);
        boost::asynchronous::get_thread_scheduler<job_type>(self_as_weak,true);

        std::list<boost::asynchronous::any_continuation>& waiting =
                boost::asynchronous::get_continuations(std::list<boost::asynchronous::any_continuation>(),true);

        CPULoad cpu_load;
        while(true)
        {
            // get a job
            typename Q::job_type job;
            try
            {
                {
                    bool popped = execute_one_job(queue,cpu_load,diagnostics,waiting);
                    if (!popped)
                    {
                        cpu_load.loop_done_no_job();
                        // nothing for us to do, give up our time slice
                        boost::this_thread::yield();
                    }
                    // check for shutdown
                    boost::asynchronous::any_callable djob;
                    popped = private_queue->try_pop(djob);
                    if (popped)
                    {
                        djob();
                    }
                } // job destroyed (for destruction useful)
                // check if we got an interruption job
                boost::this_thread::interruption_point();
            }
            catch(boost::asynchronous::detail::shutdown_exception&)
            {
                // we are done, execute jobs posted short before to the end, then shutdown
                while(execute_one_job(queue,cpu_load,diagnostics,waiting));
                delete boost::asynchronous::detail::single_queue_scheduler_policy<Q>::m_self_thread.release();
                return;
            }
            catch(boost::thread_interrupted&)
            {
                // task interrupted, no problem, just continue
            }
            catch(std::exception&)
            {
                boost::asynchronous::job_traits<typename Q::job_type>::set_failed(job);
            }
        }
    }
示例#3
0
int p2s(boost::shared_future<int>& f)
{
  BOOST_THREAD_LOG << "<P2" << BOOST_THREAD_END_LOG;
  try
  {
    return 2 * f.get();
  }
  catch (std::exception& ex)
  {
    BOOST_THREAD_LOG << "ERRORRRRR "<<ex.what() << "" << BOOST_THREAD_END_LOG;
    BOOST_ASSERT(false);
  }
  catch (...)
  {
    BOOST_THREAD_LOG << " ERRORRRRR exception thrown" << BOOST_THREAD_END_LOG;
    BOOST_ASSERT(false);
  }
  BOOST_THREAD_LOG << "P2>" << BOOST_THREAD_END_LOG;
}
示例#4
0
 void interrupt(boost::shared_future<boost::thread*> fworker)
 {
     boost::mutex::scoped_lock lock(m_mutex);
     // if task is already interrupted, no nothing
     // if task is completed, ditto
     if (is_completed_int())
     {
         // mark that we are interrupted
         m_state = 2;
         // no need to protect m_state any more
         lock.unlock();
         // copy to minimize locking
         boost::mutex::scoped_lock ilock(m_interruptibles_mutex);
         std::vector<boost::asynchronous::any_interruptible> interruptibles = m_interruptibles;
         ilock.unlock();
         // interrupt subs if any
         for (std::vector<boost::asynchronous::any_interruptible>::iterator it = interruptibles.begin(); it != interruptibles.end();++it)
         {
             (*it).interrupt();
         }
         return;
     }
     if (is_interrupted_int())
     {
         return;
     }
     else if (is_running_int())
     {
         // copy to minimize locking
         boost::mutex::scoped_lock ilock(m_interruptibles_mutex);
         std::vector<boost::asynchronous::any_interruptible> interruptibles = m_interruptibles;
         ilock.unlock();
         // interrupt subs if any
         for (std::vector<boost::asynchronous::any_interruptible>::iterator it = interruptibles.begin(); it != interruptibles.end();++it)
         {
             (*it).interrupt();
         }
         // if true then we have a worker
         boost::thread* w = fworker.get();
         w->interrupt();
     }
     m_state = 2;
 }
示例#5
0
bool is_failed(boost::shared_future<bool> future) {
    return future.get() == false;
}