2 files changed, 0 insertions, 475 deletions
diff --git a/3rdParty/Boost b/3rdParty/Boost
new file mode 160000
+Subproject 3bbdbc8cf1996f23d9a366da8bac0f97be6ad79
diff --git a/3rdParty/Boost/boost/asio/detail/task_io_service_2lock.hpp b/3rdParty/Boost/boost/asio/detail/task_io_service_2lock.hpp
deleted file mode 100644
index bd406cb..0000000
--- a/3rdParty/Boost/boost/asio/detail/task_io_service_2lock.hpp
+++ /dev/null
@@ -1,475 +0,0 @@
-//
-// task_io_service_2lock.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef BOOST_ASIO_DETAIL_TASK_IO_SERVICE_2LOCK_HPP
-#define BOOST_ASIO_DETAIL_TASK_IO_SERVICE_2LOCK_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include <boost/asio/detail/push_options.hpp>
-
-#include <boost/asio/io_service.hpp>
-#include <boost/asio/detail/call_stack.hpp>
-#include <boost/asio/detail/event.hpp>
-#include <boost/asio/detail/handler_alloc_helpers.hpp>
-#include <boost/asio/detail/handler_invoke_helpers.hpp>
-#include <boost/asio/detail/indirect_handler_queue.hpp>
-#include <boost/asio/detail/mutex.hpp>
-#include <boost/asio/detail/service_base.hpp>
-#include <boost/asio/detail/task_io_service_fwd.hpp>
-
-#include <boost/asio/detail/push_options.hpp>
-#include <boost/detail/atomic_count.hpp>
-#include <boost/system/error_code.hpp>
-#include <boost/asio/detail/pop_options.hpp>
-
-namespace boost {
-namespace asio {
-namespace detail {
-
-// An alternative task_io_service implementation based on a two-lock queue.
-
-template <typename Task>
-class task_io_service
-  : public boost::asio::detail::service_base<task_io_service<Task> >
-{
-public:
-  typedef indirect_handler_queue handler_queue;
-
-  // Constructor.
-  task_io_service(boost::asio::io_service& io_service)
-    : boost::asio::detail::service_base<task_io_service<Task> >(io_service),
-      front_mutex_(),
-      back_mutex_(),
-      task_(&use_service<Task>(io_service)),
-      outstanding_work_(0),
-      front_stopped_(false),
-      back_stopped_(false),
-      back_shutdown_(false),
-      back_first_idle_thread_(0),
-      back_task_thread_(0)
-  {
-  }
-
-  void init(size_t /*concurrency_hint*/)
-  {
-  }
-
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
-  {
-    boost::asio::detail::mutex::scoped_lock back_lock(back_mutex_);
-    back_shutdown_ = true;
-    back_lock.unlock();
-
-    // Destroy handler objects.
-    while (handler_queue::handler* h = handler_queue_.pop())
-      if (h != &task_handler_)
-        h->destroy();
-
-    // Reset to initial state.
-    task_ = 0;
-  }
-
-  // Initialise the task, if required.
-  void init_task()
-  {
-    boost::asio::detail::mutex::scoped_lock back_lock(back_mutex_);
-    if (!back_shutdown_ && !task_)
-    {
-      task_ = &use_service<Task>(this->get_io_service());
-      handler_queue_.push(&task_handler_);
-      interrupt_one_idle_thread(back_lock);
-    }
-  }
-
-  // Run the event loop until interrupted or no more work.
-  size_t run(boost::system::error_code& ec)
-  {
-    if (outstanding_work_ == 0)
-    {
-      stop();
-      ec = boost::system::error_code();
-      return 0;
-    }
-
-    typename call_stack<task_io_service>::context ctx(this);
-
-    idle_thread_info this_idle_thread;
-    this_idle_thread.next = 0;
-
-    size_t n = 0;
-    while (do_one(&this_idle_thread, ec))
-      if (n != (std::numeric_limits<size_t>::max)())
-        ++n;
-    return n;
-  }
-
-  // Run until interrupted or one operation is performed.
-  size_t run_one(boost::system::error_code& ec)
-  {
-    if (outstanding_work_ == 0)
-    {
-      stop();
-      ec = boost::system::error_code();
-      return 0;
-    }
-
-    typename call_stack<task_io_service>::context ctx(this);
-
-    idle_thread_info this_idle_thread;
-    this_idle_thread.next = 0;
-
-    return do_one(&this_idle_thread, ec);
-  }
-
-  // Poll for operations without blocking.
-  size_t poll(boost::system::error_code& ec)
-  {
-    if (outstanding_work_ == 0)
-    {
-      stop();
-      ec = boost::system::error_code();
-      return 0;
-    }
-
-    typename call_stack<task_io_service>::context ctx(this);
-
-    size_t n = 0;
-    while (do_one(0, ec))
-      if (n != (std::numeric_limits<size_t>::max)())
-        ++n;
-    return n;
-  }
-
-  // Poll for one operation without blocking.
-  size_t poll_one(boost::system::error_code& ec)
-  {
-    if (outstanding_work_ == 0)
-    {
-      stop();
-      ec = boost::system::error_code();
-      return 0;
-    }
-
-    typename call_stack<task_io_service>::context ctx(this);
-
-    return do_one(0, ec);
-  }
-
-  // Interrupt the event processing loop.
-  void stop()
-  {
-    boost::asio::detail::mutex::scoped_lock front_lock(front_mutex_);
-    front_stopped_ = true;
-    front_lock.unlock();
-
-    boost::asio::detail::mutex::scoped_lock back_lock(back_mutex_);
-    back_stopped_ = true;
-    interrupt_all_idle_threads(back_lock);
-  }
-
-  // Reset in preparation for a subsequent run invocation.
-  void reset()
-  {
-    boost::asio::detail::mutex::scoped_lock front_lock(front_mutex_);
-    front_stopped_ = false;
-    front_lock.unlock();
-
-    boost::asio::detail::mutex::scoped_lock back_lock(back_mutex_);
-    back_stopped_ = false;
-  }
-
-  // Notify that some work has started.
-  void work_started()
-  {
-    ++outstanding_work_;
-  }
-
-  // Notify that some work has finished.
-  void work_finished()
-  {
-    if (--outstanding_work_ == 0)
-      stop();
-  }
-
-  // Request invocation of the given handler.
-  template <typename Handler>
-  void dispatch(Handler handler)
-  {
-    if (call_stack<task_io_service>::contains(this))
-      boost_asio_handler_invoke_helpers::invoke(handler, &handler);
-    else
-      post(handler);
-  }
-
-  // Request invocation of the given handler and return immediately.
-  template <typename Handler>
-  void post(Handler handler)
-  {
-    // Allocate and construct an operation to wrap the handler.
-    handler_queue::scoped_ptr ptr(handler_queue::wrap(handler));
-
-    boost::asio::detail::mutex::scoped_lock back_lock(back_mutex_);
-
-    // If the service has been shut down we silently discard the handler.
-    if (back_shutdown_)
-      return;
-
-    // Add the handler to the end of the queue.
-    handler_queue_.push(ptr.get());
-    ptr.release();
-
-    // An undelivered handler is treated as unfinished work.
-    ++outstanding_work_;
-
-    // Wake up a thread to execute the handler.
-    interrupt_one_idle_thread(back_lock);
-  }
-
-private:
-  struct idle_thread_info;
-
-  size_t do_one(idle_thread_info* this_idle_thread,
-      boost::system::error_code& ec)
-  {
-    bool task_has_run = false;
-    for (;;)
-    {
-      // The front lock must be held before we can pop items from the queue.
-      boost::asio::detail::mutex::scoped_lock front_lock(front_mutex_);
-      if (front_stopped_)
-      {
-        ec = boost::system::error_code();
-        return 0;
-      }
-
-      if (handler_queue::handler* h = handler_queue_.pop())
-      {
-        if (h == &task_handler_)
-        {
-          bool more_handlers = handler_queue_.poppable();
-          unsigned long front_version = handler_queue_.front_version();
-          front_lock.unlock();
-
-          // The task is always added to the back of the queue when we exit
-          // this block.
-          task_cleanup c(*this);
-
-          // If we're polling and the task has already run then we're done.
-          bool polling = !this_idle_thread;
-          if (task_has_run && polling)
-          {
-            ec = boost::system::error_code();
-            return 0;
-          }
-
-          // If we're considering going idle we need to check whether the queue
-          // is still empty. If it is, add the thread to the list of idle
-          // threads.
-          if (!more_handlers && !polling)
-          {
-            boost::asio::detail::mutex::scoped_lock back_lock(back_mutex_);
-            if (back_stopped_)
-            {
-              ec = boost::system::error_code();
-              return 0;
-            }
-            else if (front_version == handler_queue_.back_version())
-            {
-              back_task_thread_ = this_idle_thread;
-            }
-            else
-            {
-              more_handlers = true;
-            }
-          }
-
-          // Run the task. May throw an exception. Only block if the handler
-          // queue is empty and we're not polling, otherwise we want to return
-          // as soon as possible.
-          task_has_run = true;
-          task_->run(!more_handlers && !polling);
-        }
-        else
-        {
-          front_lock.unlock();
-          handler_cleanup c(*this);
-
-          // Invoke the handler. May throw an exception.
-          h->invoke(); // invoke() deletes the handler object
-
-          ec = boost::system::error_code();
-          return 1;
-        }
-      }
-      else if (this_idle_thread)
-      {
-        unsigned long front_version = handler_queue_.front_version();
-        front_lock.unlock();
-
-        // If we're considering going idle we need to check whether the queue
-        // is still empty. If it is, add the thread to the list of idle
-        // threads.
-        boost::asio::detail::mutex::scoped_lock back_lock(back_mutex_);
-        if (back_stopped_)
-        {
-          ec = boost::system::error_code();
-          return 0;
-        }
-        else if (front_version == handler_queue_.back_version())
-        {
-          this_idle_thread->next = back_first_idle_thread_;
-          back_first_idle_thread_ = this_idle_thread;
-          this_idle_thread->wakeup_event.clear(back_lock);
-          this_idle_thread->wakeup_event.wait(back_lock);
-        }
-      }
-      else
-      {
-        ec = boost::system::error_code();
-        return 0;
-      }
-    }
-  }
-
-  // Interrupt a single idle thread.
-  void interrupt_one_idle_thread(
-      boost::asio::detail::mutex::scoped_lock& back_lock)
-  {
-    if (back_first_idle_thread_)
-    {
-      idle_thread_info* idle_thread = back_first_idle_thread_;
-      back_first_idle_thread_ = idle_thread->next;
-      idle_thread->next = 0;
-      idle_thread->wakeup_event.signal(back_lock);
-    }
-    else if (back_task_thread_ && task_)
-    {
-      back_task_thread_ = 0;
-      task_->interrupt();
-    }
-  }
-
-  // Interrupt all idle threads.
-  void interrupt_all_idle_threads(
-      boost::asio::detail::mutex::scoped_lock& back_lock)
-  {
-    while (back_first_idle_thread_)
-    {
-      idle_thread_info* idle_thread = back_first_idle_thread_;
-      back_first_idle_thread_ = idle_thread->next;
-      idle_thread->next = 0;
-      idle_thread->wakeup_event.signal(back_lock);
-    }
-
-    if (back_task_thread_ && task_)
-    {
-      back_task_thread_ = 0;
-      task_->interrupt();
-    }
-  }
-
-  // Helper class to perform task-related operations on block exit.
-  class task_cleanup;
-  friend class task_cleanup;
-  class task_cleanup
-  {
-  public:
-    task_cleanup(task_io_service& task_io_svc)
-      : task_io_service_(task_io_svc)
-    {
-    }
-
-    ~task_cleanup()
-    {
-      // Reinsert the task at the end of the handler queue.
-      boost::asio::detail::mutex::scoped_lock back_lock(
-          task_io_service_.back_mutex_);
-      task_io_service_.back_task_thread_ = 0;
-      task_io_service_.handler_queue_.push(&task_io_service_.task_handler_);
-    }
-
-  private:
-    task_io_service& task_io_service_;
-  };
-
-  // Helper class to perform handler-related operations on block exit.
-  class handler_cleanup
-  {
-  public:
-    handler_cleanup(task_io_service& task_io_svc)
-      : task_io_service_(task_io_svc)
-    {
-    }
-
-    ~handler_cleanup()
-    {
-      task_io_service_.work_finished();
-    }
-
-  private:
-    task_io_service& task_io_service_;
-  };
-
-  // Mutexes to protect access to internal data.
-  boost::asio::detail::mutex front_mutex_;
-  boost::asio::detail::mutex back_mutex_;
-
-  // The task to be run by this service.
-  Task* task_;
-
-  // Handler object to represent the position of the task in the queue.
-  class task_handler
-    : public handler_queue::handler
-  {
-  public:
-    task_handler()
-      : handler_queue::handler(0, 0)
-    {
-    }
-  } task_handler_;
-
-  // The count of unfinished work.
-  boost::detail::atomic_count outstanding_work_;
-
-  // The queue of handlers that are ready to be delivered.
-  handler_queue handler_queue_;
-
-  // Flag to indicate that the dispatcher has been stopped.
-  bool front_stopped_;
-  bool back_stopped_;
-
-  // Flag to indicate that the dispatcher has been shut down.
-  bool back_shutdown_;
-
-  // Structure containing information about an idle thread.
-  struct idle_thread_info
-  {
-    event wakeup_event;
-    idle_thread_info* next;
-  };
-
-  // The number of threads that are currently idle.
-  idle_thread_info* back_first_idle_thread_;
-
-  // The thread that is currently blocked on the task.
-  idle_thread_info* back_task_thread_;
-};
-
-} // namespace detail
-} // namespace asio
-} // namespace boost
-
-#include <boost/asio/detail/pop_options.hpp>
-
-#endif // BOOST_ASIO_DETAIL_TASK_IO_SERVICE_2LOCK_HPP