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Diffstat (limited to '3rdParty/Boost/src/boost/asio/detail/win_iocp_io_service.hpp')
-rw-r--r--3rdParty/Boost/src/boost/asio/detail/win_iocp_io_service.hpp60
1 files changed, 48 insertions, 12 deletions
diff --git a/3rdParty/Boost/src/boost/asio/detail/win_iocp_io_service.hpp b/3rdParty/Boost/src/boost/asio/detail/win_iocp_io_service.hpp
index 4c88e7b..0e3bb0b 100644
--- a/3rdParty/Boost/src/boost/asio/detail/win_iocp_io_service.hpp
+++ b/3rdParty/Boost/src/boost/asio/detail/win_iocp_io_service.hpp
@@ -2,7 +2,7 @@
// detail/win_iocp_io_service.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2011 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2012 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)
@@ -19,18 +19,20 @@
#if defined(BOOST_ASIO_HAS_IOCP)
-#include <boost/scoped_ptr.hpp>
+#include <boost/limits.hpp>
#include <boost/asio/io_service.hpp>
+#include <boost/asio/detail/call_stack.hpp>
#include <boost/asio/detail/mutex.hpp>
#include <boost/asio/detail/op_queue.hpp>
+#include <boost/asio/detail/scoped_ptr.hpp>
#include <boost/asio/detail/socket_types.hpp>
-#include <boost/asio/detail/timer_op.hpp>
+#include <boost/asio/detail/thread.hpp>
#include <boost/asio/detail/timer_queue_base.hpp>
#include <boost/asio/detail/timer_queue_fwd.hpp>
#include <boost/asio/detail/timer_queue_set.hpp>
+#include <boost/asio/detail/wait_op.hpp>
#include <boost/asio/detail/win_iocp_io_service_fwd.hpp>
#include <boost/asio/detail/win_iocp_operation.hpp>
-#include <boost/asio/detail/thread.hpp>
#include <boost/asio/detail/push_options.hpp>
@@ -38,16 +40,17 @@ namespace boost {
namespace asio {
namespace detail {
-class timer_op;
+class wait_op;
class win_iocp_io_service
: public boost::asio::detail::service_base<win_iocp_io_service>
{
public:
- // Constructor.
- BOOST_ASIO_DECL win_iocp_io_service(boost::asio::io_service& io_service);
- BOOST_ASIO_DECL void init(size_t concurrency_hint);
+ // Constructor. Specifies a concurrency hint that is passed through to the
+ // underlying I/O completion port.
+ BOOST_ASIO_DECL win_iocp_io_service(boost::asio::io_service& io_service,
+ size_t concurrency_hint = 0);
// Destroy all user-defined handler objects owned by the service.
BOOST_ASIO_DECL void shutdown_service();
@@ -76,6 +79,12 @@ public:
// Stop the event processing loop.
BOOST_ASIO_DECL void stop();
+ // Determine whether the io_service is stopped.
+ bool stopped() const
+ {
+ return ::InterlockedExchangeAdd(&stopped_, 0) != 0;
+ }
+
// Reset in preparation for a subsequent run invocation.
void reset()
{
@@ -95,6 +104,12 @@ public:
stop();
}
+ // Return whether a handler can be dispatched immediately.
+ bool can_dispatch()
+ {
+ return call_stack<win_iocp_io_service>::contains(this) != 0;
+ }
+
// Request invocation of the given handler.
template <typename Handler>
void dispatch(Handler handler);
@@ -120,6 +135,26 @@ public:
BOOST_ASIO_DECL void post_deferred_completions(
op_queue<win_iocp_operation>& ops);
+ // Request invocation of the given operation using the thread-private queue
+ // and return immediately. Assumes that work_started() has not yet been
+ // called for the operation.
+ void post_private_immediate_completion(win_iocp_operation* op)
+ {
+ post_immediate_completion(op);
+ }
+
+ // Request invocation of the given operation using the thread-private queue
+ // and return immediately. Assumes that work_started() was previously called
+ // for the operation.
+ void post_private_deferred_completion(win_iocp_operation* op)
+ {
+ post_deferred_completion(op);
+ }
+
+ // Process unfinished operations as part of a shutdown_service operation.
+ // Assumes that work_started() was previously called for the operations.
+ BOOST_ASIO_DECL void abandon_operations(op_queue<operation>& ops);
+
// Called after starting an overlapped I/O operation that did not complete
// immediately. The caller must have already called work_started() prior to
// starting the operation.
@@ -150,13 +185,14 @@ public:
template <typename Time_Traits>
void schedule_timer(timer_queue<Time_Traits>& queue,
const typename Time_Traits::time_type& time,
- typename timer_queue<Time_Traits>::per_timer_data& timer, timer_op* op);
+ typename timer_queue<Time_Traits>::per_timer_data& timer, wait_op* op);
// 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>& queue,
- typename timer_queue<Time_Traits>::per_timer_data& timer);
+ typename timer_queue<Time_Traits>::per_timer_data& timer,
+ std::size_t max_cancelled = (std::numeric_limits<std::size_t>::max)());
private:
#if defined(WINVER) && (WINVER < 0x0500)
@@ -199,7 +235,7 @@ private:
long outstanding_work_;
// Flag to indicate whether the event loop has been stopped.
- long stopped_;
+ mutable long stopped_;
// Flag to indicate whether the service has been shut down.
long shutdown_;
@@ -233,7 +269,7 @@ private:
friend struct timer_thread_function;
// Background thread used for processing timeouts.
- boost::scoped_ptr<thread> timer_thread_;
+ scoped_ptr<thread> timer_thread_;
// A waitable timer object used for waiting for timeouts.
auto_handle waitable_timer_;