2 files changed, 0 insertions, 678 deletions
diff --git a/3rdParty/Boost b/3rdParty/Boost
new file mode 160000
+Subproject 3bbdbc8cf1996f23d9a366da8bac0f97be6ad79
diff --git a/3rdParty/Boost/boost/asio/detail/dev_poll_reactor.hpp b/3rdParty/Boost/boost/asio/detail/dev_poll_reactor.hpp
deleted file mode 100644
index 8739085..0000000
--- a/3rdParty/Boost/boost/asio/detail/dev_poll_reactor.hpp
+++ /dev/null
@@ -1,678 +0,0 @@
-//
-// dev_poll_reactor.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_DEV_POLL_REACTOR_HPP
-#define BOOST_ASIO_DETAIL_DEV_POLL_REACTOR_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/detail/dev_poll_reactor_fwd.hpp>
-
-#if defined(BOOST_ASIO_HAS_DEV_POLL)
-
-#include <boost/asio/detail/push_options.hpp>
-#include <cstddef>
-#include <vector>
-#include <boost/config.hpp>
-#include <boost/date_time/posix_time/posix_time_types.hpp>
-#include <boost/throw_exception.hpp>
-#include <sys/devpoll.h>
-#include <boost/system/system_error.hpp>
-#include <boost/asio/detail/pop_options.hpp>
-
-#include <boost/asio/error.hpp>
-#include <boost/asio/io_service.hpp>
-#include <boost/asio/detail/bind_handler.hpp>
-#include <boost/asio/detail/hash_map.hpp>
-#include <boost/asio/detail/mutex.hpp>
-#include <boost/asio/detail/task_io_service.hpp>
-#include <boost/asio/detail/thread.hpp>
-#include <boost/asio/detail/reactor_op_queue.hpp>
-#include <boost/asio/detail/select_interrupter.hpp>
-#include <boost/asio/detail/service_base.hpp>
-#include <boost/asio/detail/signal_blocker.hpp>
-#include <boost/asio/detail/socket_types.hpp>
-#include <boost/asio/detail/timer_queue.hpp>
-
-namespace boost {
-namespace asio {
-namespace detail {
-
-template <bool Own_Thread>
-class dev_poll_reactor
-  : public boost::asio::detail::service_base<dev_poll_reactor<Own_Thread> >
-{
-public:
-  // Per-descriptor data.
-  struct per_descriptor_data
-  {
-  };
-
-  // Constructor.
-  dev_poll_reactor(boost::asio::io_service& io_service)
-    : boost::asio::detail::service_base<
-        dev_poll_reactor<Own_Thread> >(io_service),
-      mutex_(),
-      dev_poll_fd_(do_dev_poll_create()),
-      wait_in_progress_(false),
-      interrupter_(),
-      read_op_queue_(),
-      write_op_queue_(),
-      except_op_queue_(),
-      pending_cancellations_(),
-      stop_thread_(false),
-      thread_(0),
-      shutdown_(false)
-  {
-    // Start the reactor's internal thread only if needed.
-    if (Own_Thread)
-    {
-      boost::asio::detail::signal_blocker sb;
-      thread_ = new boost::asio::detail::thread(
-          bind_handler(&dev_poll_reactor::call_run_thread, this));
-    }
-
-    // Add the interrupter's descriptor to /dev/poll.
-    ::pollfd ev = { 0 };
-    ev.fd = interrupter_.read_descriptor();
-    ev.events = POLLIN | POLLERR;
-    ev.revents = 0;
-    ::write(dev_poll_fd_, &ev, sizeof(ev));
-  }
-
-  // Destructor.
-  ~dev_poll_reactor()
-  {
-    shutdown_service();
-    ::close(dev_poll_fd_);
-  }
-
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
-  {
-    boost::asio::detail::mutex::scoped_lock lock(mutex_);
-    shutdown_ = true;
-    stop_thread_ = true;
-    lock.unlock();
-
-    if (thread_)
-    {
-      interrupter_.interrupt();
-      thread_->join();
-      delete thread_;
-      thread_ = 0;
-    }
-
-    read_op_queue_.destroy_operations();
-    write_op_queue_.destroy_operations();
-    except_op_queue_.destroy_operations();
-
-    for (std::size_t i = 0; i < timer_queues_.size(); ++i)
-      timer_queues_[i]->destroy_timers();
-    timer_queues_.clear();
-  } 
-
-  // Initialise the task, but only if the reactor is not in its own thread.
-  void init_task()
-  {
-    if (!Own_Thread)
-    {
-      typedef task_io_service<dev_poll_reactor<Own_Thread> >
-        task_io_service_type;
-      use_service<task_io_service_type>(this->get_io_service()).init_task();
-    }
-  }
-
-  // Register a socket with the reactor. Returns 0 on success, system error
-  // code on failure.
-  int register_descriptor(socket_type, per_descriptor_data&)
-  {
-    return 0;
-  }
-
-  // Start a new read operation. The handler object will be invoked when the
-  // given descriptor is ready to be read, or an error has occurred.
-  template <typename Handler>
-  void start_read_op(socket_type descriptor, per_descriptor_data&,
-      Handler handler, bool allow_speculative_read = true)
-  {
-    boost::asio::detail::mutex::scoped_lock lock(mutex_);
-
-    if (shutdown_)
-      return;
-
-    if (allow_speculative_read)
-    {
-      if (!read_op_queue_.has_operation(descriptor))
-      {
-        boost::system::error_code ec;
-        std::size_t bytes_transferred = 0;
-        if (handler.perform(ec, bytes_transferred))
-        {
-          handler.complete(ec, bytes_transferred);
-          return;
-        }
-      }
-    }
-
-    if (read_op_queue_.enqueue_operation(descriptor, handler))
-    {
-      ::pollfd& ev = add_pending_event_change(descriptor);
-      ev.events = POLLIN | POLLERR | POLLHUP;
-      if (write_op_queue_.has_operation(descriptor))
-        ev.events |= POLLOUT;
-      if (except_op_queue_.has_operation(descriptor))
-        ev.events |= POLLPRI;
-      interrupter_.interrupt();
-    }
-  }
-
-  // Start a new write operation. The handler object will be invoked when the
-  // given descriptor is ready to be written, or an error has occurred.
-  template <typename Handler>
-  void start_write_op(socket_type descriptor, per_descriptor_data&,
-      Handler handler, bool allow_speculative_write = true)
-  {
-    boost::asio::detail::mutex::scoped_lock lock(mutex_);
-
-    if (shutdown_)
-      return;
-
-    if (allow_speculative_write)
-    {
-      if (!write_op_queue_.has_operation(descriptor))
-      {
-        boost::system::error_code ec;
-        std::size_t bytes_transferred = 0;
-        if (handler.perform(ec, bytes_transferred))
-        {
-          handler.complete(ec, bytes_transferred);
-          return;
-        }
-      }
-    }
-
-    if (write_op_queue_.enqueue_operation(descriptor, handler))
-    {
-      ::pollfd& ev = add_pending_event_change(descriptor);
-      ev.events = POLLOUT | POLLERR | POLLHUP;
-      if (read_op_queue_.has_operation(descriptor))
-        ev.events |= POLLIN;
-      if (except_op_queue_.has_operation(descriptor))
-        ev.events |= POLLPRI;
-      interrupter_.interrupt();
-    }
-  }
-
-  // Start a new exception operation. The handler object will be invoked when
-  // the given descriptor has exception information, or an error has occurred.
-  template <typename Handler>
-  void start_except_op(socket_type descriptor,
-      per_descriptor_data&, Handler handler)
-  {
-    boost::asio::detail::mutex::scoped_lock lock(mutex_);
-
-    if (shutdown_)
-      return;
-
-    if (except_op_queue_.enqueue_operation(descriptor, handler))
-    {
-      ::pollfd& ev = add_pending_event_change(descriptor);
-      ev.events = POLLPRI | POLLERR | POLLHUP;
-      if (read_op_queue_.has_operation(descriptor))
-        ev.events |= POLLIN;
-      if (write_op_queue_.has_operation(descriptor))
-        ev.events |= POLLOUT;
-      interrupter_.interrupt();
-    }
-  }
-
-  // Start a new write operation. The handler object will be invoked when the
-  // information available, or an error has occurred.
-  template <typename Handler>
-  void start_connect_op(socket_type descriptor,
-      per_descriptor_data&, Handler handler)
-  {
-    boost::asio::detail::mutex::scoped_lock lock(mutex_);
-
-    if (shutdown_)
-      return;
-
-    if (write_op_queue_.enqueue_operation(descriptor, handler))
-    {
-      ::pollfd& ev = add_pending_event_change(descriptor);
-      ev.events = POLLOUT | POLLERR | POLLHUP;
-      if (read_op_queue_.has_operation(descriptor))
-        ev.events |= POLLIN;
-      if (except_op_queue_.has_operation(descriptor))
-        ev.events |= POLLPRI;
-      interrupter_.interrupt();
-    }
-  }
-
-  // Cancel all operations associated with the given descriptor. The
-  // handlers associated with the descriptor will be invoked with the
-  // operation_aborted error.
-  void cancel_ops(socket_type descriptor, per_descriptor_data&)
-  {
-    boost::asio::detail::mutex::scoped_lock lock(mutex_);
-    cancel_ops_unlocked(descriptor);
-  }
-
-  // Cancel any operations that are running against the descriptor and remove
-  // its registration from the reactor.
-  void close_descriptor(socket_type descriptor, per_descriptor_data&)
-  {
-    boost::asio::detail::mutex::scoped_lock lock(mutex_);
-
-    // Remove the descriptor from /dev/poll.
-    ::pollfd& ev = add_pending_event_change(descriptor);
-    ev.events = POLLREMOVE;
-    interrupter_.interrupt();
-
-    // Cancel any outstanding operations associated with the descriptor.
-    cancel_ops_unlocked(descriptor);
-  }
-
-  // Add a new timer queue to the reactor.
-  template <typename Time_Traits>
-  void add_timer_queue(timer_queue<Time_Traits>& timer_queue)
-  {
-    boost::asio::detail::mutex::scoped_lock lock(mutex_);
-    timer_queues_.push_back(&timer_queue);
-  }
-
-  // Remove a timer queue from the reactor.
-  template <typename Time_Traits>
-  void remove_timer_queue(timer_queue<Time_Traits>& timer_queue)
-  {
-    boost::asio::detail::mutex::scoped_lock lock(mutex_);
-    for (std::size_t i = 0; i < timer_queues_.size(); ++i)
-    {
-      if (timer_queues_[i] == &timer_queue)
-      {
-        timer_queues_.erase(timer_queues_.begin() + i);
-        return;
-      }
-    }
-  }
-
-  // Schedule a timer in the given timer queue to expire at the specified
-  // absolute time. The handler object will be invoked when the timer expires.
-  template <typename Time_Traits, typename Handler>
-  void schedule_timer(timer_queue<Time_Traits>& timer_queue,
-      const typename Time_Traits::time_type& time, Handler handler, void* token)
-  {
-    boost::asio::detail::mutex::scoped_lock lock(mutex_);
-    if (!shutdown_)
-      if (timer_queue.enqueue_timer(time, handler, token))
-        interrupter_.interrupt();
-  }
-
-  // Cancel the timer associated with the given token. Returns the number of
-  // handlers that have been posted or dispatched.
-  template <typename Time_Traits>
-  std::size_t cancel_timer(timer_queue<Time_Traits>& timer_queue, void* token)
-  {
-    boost::asio::detail::mutex::scoped_lock lock(mutex_);
-    std::size_t n = timer_queue.cancel_timer(token);
-    if (n > 0)
-      interrupter_.interrupt();
-    return n;
-  }
-
-private:
-  friend class task_io_service<dev_poll_reactor<Own_Thread> >;
-
-  // Run /dev/poll once until interrupted or events are ready to be dispatched.
-  void run(bool block)
-  {
-    boost::asio::detail::mutex::scoped_lock lock(mutex_);
-
-    // Dispatch any operation cancellations that were made while the select
-    // loop was not running.
-    read_op_queue_.perform_cancellations();
-    write_op_queue_.perform_cancellations();
-    except_op_queue_.perform_cancellations();
-    for (std::size_t i = 0; i < timer_queues_.size(); ++i)
-      timer_queues_[i]->dispatch_cancellations();
-
-    // Check if the thread is supposed to stop.
-    if (stop_thread_)
-    {
-      complete_operations_and_timers(lock);
-      return;
-    }
-
-    // We can return immediately if there's no work to do and the reactor is
-    // not supposed to block.
-    if (!block && read_op_queue_.empty() && write_op_queue_.empty()
-        && except_op_queue_.empty() && all_timer_queues_are_empty())
-    {
-      complete_operations_and_timers(lock);
-      return;
-    }
-
-    // Write the pending event registration changes to the /dev/poll descriptor.
-    std::size_t events_size = sizeof(::pollfd) * pending_event_changes_.size();
-    errno = 0;
-    int result = ::write(dev_poll_fd_,
-        &pending_event_changes_[0], events_size);
-    if (result != static_cast<int>(events_size))
-    {
-      for (std::size_t i = 0; i < pending_event_changes_.size(); ++i)
-      {
-        int descriptor = pending_event_changes_[i].fd;
-        boost::system::error_code ec = boost::system::error_code(
-            errno, boost::asio::error::get_system_category());
-        read_op_queue_.perform_all_operations(descriptor, ec);
-        write_op_queue_.perform_all_operations(descriptor, ec);
-        except_op_queue_.perform_all_operations(descriptor, ec);
-      }
-    }
-    pending_event_changes_.clear();
-    pending_event_change_index_.clear();
-
-    int timeout = block ? get_timeout() : 0;
-    wait_in_progress_ = true;
-    lock.unlock();
-
-    // Block on the /dev/poll descriptor.
-    ::pollfd events[128] = { { 0 } };
-    ::dvpoll dp = { 0 };
-    dp.dp_fds = events;
-    dp.dp_nfds = 128;
-    dp.dp_timeout = timeout;
-    int num_events = ::ioctl(dev_poll_fd_, DP_POLL, &dp);
-
-    lock.lock();
-    wait_in_progress_ = false;
-
-    // Block signals while performing operations.
-    boost::asio::detail::signal_blocker sb;
-
-    // Dispatch the waiting events.
-    for (int i = 0; i < num_events; ++i)
-    {
-      int descriptor = events[i].fd;
-      if (descriptor == interrupter_.read_descriptor())
-      {
-        interrupter_.reset();
-      }
-      else
-      {
-        bool more_reads = false;
-        bool more_writes = false;
-        bool more_except = false;
-        boost::system::error_code ec;
-
-        // Exception operations must be processed first to ensure that any
-        // out-of-band data is read before normal data.
-        if (events[i].events & (POLLPRI | POLLERR | POLLHUP))
-          more_except = except_op_queue_.perform_operation(descriptor, ec);
-        else
-          more_except = except_op_queue_.has_operation(descriptor);
-
-        if (events[i].events & (POLLIN | POLLERR | POLLHUP))
-          more_reads = read_op_queue_.perform_operation(descriptor, ec);
-        else
-          more_reads = read_op_queue_.has_operation(descriptor);
-
-        if (events[i].events & (POLLOUT | POLLERR | POLLHUP))
-          more_writes = write_op_queue_.perform_operation(descriptor, ec);
-        else
-          more_writes = write_op_queue_.has_operation(descriptor);
-
-        if ((events[i].events & (POLLERR | POLLHUP)) != 0
-              && (events[i].events & ~(POLLERR | POLLHUP)) == 0
-              && !more_except && !more_reads && !more_writes)
-        {
-          // If we have an event and no operations associated with the
-          // descriptor then we need to delete the descriptor from /dev/poll.
-          // The poll operation can produce POLLHUP or POLLERR events when there
-          // is no operation pending, so if we do not remove the descriptor we
-          // can end up in a tight polling loop.
-          ::pollfd ev = { 0 };
-          ev.fd = descriptor;
-          ev.events = POLLREMOVE;
-          ev.revents = 0;
-          ::write(dev_poll_fd_, &ev, sizeof(ev));
-        }
-        else
-        {
-          ::pollfd ev = { 0 };
-          ev.fd = descriptor;
-          ev.events = POLLERR | POLLHUP;
-          if (more_reads)
-            ev.events |= POLLIN;
-          if (more_writes)
-            ev.events |= POLLOUT;
-          if (more_except)
-            ev.events |= POLLPRI;
-          ev.revents = 0;
-          int result = ::write(dev_poll_fd_, &ev, sizeof(ev));
-          if (result != sizeof(ev))
-          {
-            ec = boost::system::error_code(errno,
-                boost::asio::error::get_system_category());
-            read_op_queue_.perform_all_operations(descriptor, ec);
-            write_op_queue_.perform_all_operations(descriptor, ec);
-            except_op_queue_.perform_all_operations(descriptor, ec);
-          }
-        }
-      }
-    }
-    read_op_queue_.perform_cancellations();
-    write_op_queue_.perform_cancellations();
-    except_op_queue_.perform_cancellations();
-    for (std::size_t i = 0; i < timer_queues_.size(); ++i)
-    {
-      timer_queues_[i]->dispatch_timers();
-      timer_queues_[i]->dispatch_cancellations();
-    }
-
-    // Issue any pending cancellations.
-    for (size_t i = 0; i < pending_cancellations_.size(); ++i)
-      cancel_ops_unlocked(pending_cancellations_[i]);
-    pending_cancellations_.clear();
-
-    complete_operations_and_timers(lock);
-  }
-
-  // Run the select loop in the thread.
-  void run_thread()
-  {
-    boost::asio::detail::mutex::scoped_lock lock(mutex_);
-    while (!stop_thread_)
-    {
-      lock.unlock();
-      run(true);
-      lock.lock();
-    }
-  }
-
-  // Entry point for the select loop thread.
-  static void call_run_thread(dev_poll_reactor* reactor)
-  {
-    reactor->run_thread();
-  }
-
-  // Interrupt the select loop.
-  void interrupt()
-  {
-    interrupter_.interrupt();
-  }
-
-  // Create the /dev/poll file descriptor. Throws an exception if the descriptor
-  // cannot be created.
-  static int do_dev_poll_create()
-  {
-    int fd = ::open("/dev/poll", O_RDWR);
-    if (fd == -1)
-    {
-      boost::throw_exception(
-          boost::system::system_error(
-            boost::system::error_code(errno,
-              boost::asio::error::get_system_category()),
-            "/dev/poll"));
-    }
-    return fd;
-  }
-
-  // Check if all timer queues are empty.
-  bool all_timer_queues_are_empty() const
-  {
-    for (std::size_t i = 0; i < timer_queues_.size(); ++i)
-      if (!timer_queues_[i]->empty())
-        return false;
-    return true;
-  }
-
-  // Get the timeout value for the /dev/poll DP_POLL operation. The timeout
-  // value is returned as a number of milliseconds. A return value of -1
-  // indicates that the poll should block indefinitely.
-  int get_timeout()
-  {
-    if (all_timer_queues_are_empty())
-      return -1;
-
-    // By default we will wait no longer than 5 minutes. This will ensure that
-    // any changes to the system clock are detected after no longer than this.
-    boost::posix_time::time_duration minimum_wait_duration
-      = boost::posix_time::minutes(5);
-
-    for (std::size_t i = 0; i < timer_queues_.size(); ++i)
-    {
-      boost::posix_time::time_duration wait_duration
-        = timer_queues_[i]->wait_duration();
-      if (wait_duration < minimum_wait_duration)
-        minimum_wait_duration = wait_duration;
-    }
-
-    if (minimum_wait_duration > boost::posix_time::time_duration())
-    {
-      int milliseconds = minimum_wait_duration.total_milliseconds();
-      return milliseconds > 0 ? milliseconds : 1;
-    }
-    else
-    {
-      return 0;
-    }
-  }
-
-  // Cancel all operations associated with the given descriptor. The do_cancel
-  // function of the handler objects will be invoked. This function does not
-  // acquire the dev_poll_reactor's mutex.
-  void cancel_ops_unlocked(socket_type descriptor)
-  {
-    bool interrupt = read_op_queue_.cancel_operations(descriptor);
-    interrupt = write_op_queue_.cancel_operations(descriptor) || interrupt;
-    interrupt = except_op_queue_.cancel_operations(descriptor) || interrupt;
-    if (interrupt)
-      interrupter_.interrupt();
-  }
-
-  // Clean up operations and timers. We must not hold the lock since the
-  // destructors may make calls back into this reactor. We make a copy of the
-  // vector of timer queues since the original may be modified while the lock
-  // is not held.
-  void complete_operations_and_timers(
-      boost::asio::detail::mutex::scoped_lock& lock)
-  {
-    timer_queues_for_cleanup_ = timer_queues_;
-    lock.unlock();
-    read_op_queue_.complete_operations();
-    write_op_queue_.complete_operations();
-    except_op_queue_.complete_operations();
-    for (std::size_t i = 0; i < timer_queues_for_cleanup_.size(); ++i)
-      timer_queues_for_cleanup_[i]->complete_timers();
-  }
-
-  // Add a pending event entry for the given descriptor.
-  ::pollfd& add_pending_event_change(int descriptor)
-  {
-    hash_map<int, std::size_t>::iterator iter
-      = pending_event_change_index_.find(descriptor);
-    if (iter == pending_event_change_index_.end())
-    {
-      std::size_t index = pending_event_changes_.size();
-      pending_event_changes_.reserve(pending_event_changes_.size() + 1);
-      pending_event_change_index_.insert(std::make_pair(descriptor, index));
-      pending_event_changes_.push_back(::pollfd());
-      pending_event_changes_[index].fd = descriptor;
-      pending_event_changes_[index].revents = 0;
-      return pending_event_changes_[index];
-    }
-    else
-    {
-      return pending_event_changes_[iter->second];
-    }
-  }
-
-  // Mutex to protect access to internal data.
-  boost::asio::detail::mutex mutex_;
-
-  // The /dev/poll file descriptor.
-  int dev_poll_fd_;
-
-  // Vector of /dev/poll events waiting to be written to the descriptor.
-  std::vector< ::pollfd> pending_event_changes_;
-
-  // Hash map to associate a descriptor with a pending event change index.
-  hash_map<int, std::size_t> pending_event_change_index_;
-
-  // Whether the DP_POLL operation is currently in progress
-  bool wait_in_progress_;
-
-  // The interrupter is used to break a blocking DP_POLL operation.
-  select_interrupter interrupter_;
-
-  // The queue of read operations.
-  reactor_op_queue<socket_type> read_op_queue_;
-
-  // The queue of write operations.
-  reactor_op_queue<socket_type> write_op_queue_;
-
-  // The queue of except operations.
-  reactor_op_queue<socket_type> except_op_queue_;
-
-  // The timer queues.
-  std::vector<timer_queue_base*> timer_queues_;
-
-  // A copy of the timer queues, used when cleaning up timers. The copy is
-  // stored as a class data member to avoid unnecessary memory allocation.
-  std::vector<timer_queue_base*> timer_queues_for_cleanup_;
-
-  // The descriptors that are pending cancellation.
-  std::vector<socket_type> pending_cancellations_;
-
-  // Does the reactor loop thread need to stop.
-  bool stop_thread_;
-
-  // The thread that is running the reactor loop.
-  boost::asio::detail::thread* thread_;
-
-  // Whether the service has been shut down.
-  bool shutdown_;
-};
-
-} // namespace detail
-} // namespace asio
-} // namespace boost
-
-#endif // defined(BOOST_ASIO_HAS_DEV_POLL)
-
-#include <boost/asio/detail/pop_options.hpp>
-
-#endif // BOOST_ASIO_DETAIL_DEV_POLL_REACTOR_HPP