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authorRemko Tronçon <git@el-tramo.be>2012-12-23 13:16:26 (GMT)
committerRemko Tronçon <git@el-tramo.be>2012-12-23 14:43:26 (GMT)
commit491ddd570a752cf9bda85933bed0c6942e39b1f9 (patch)
tree10c25c1be8cc08d0497df1dccd56a10fbb30beee /3rdParty/Boost/src/boost/asio/basic_io_object.hpp
parentda7d7a0ca71b80281aa9ff2526290b61ccb0cc60 (diff)
downloadswift-491ddd570a752cf9bda85933bed0c6942e39b1f9.zip
swift-491ddd570a752cf9bda85933bed0c6942e39b1f9.tar.bz2
Update Boost to 1.52.0.
Change-Id: I1e56bea2600bf2ed9c5b3aba8c4f9d2a0f350e77
Diffstat (limited to '3rdParty/Boost/src/boost/asio/basic_io_object.hpp')
-rw-r--r--3rdParty/Boost/src/boost/asio/basic_io_object.hpp184
1 files changed, 163 insertions, 21 deletions
diff --git a/3rdParty/Boost/src/boost/asio/basic_io_object.hpp b/3rdParty/Boost/src/boost/asio/basic_io_object.hpp
index 8e137e7..0464335 100644
--- a/3rdParty/Boost/src/boost/asio/basic_io_object.hpp
+++ b/3rdParty/Boost/src/boost/asio/basic_io_object.hpp
@@ -2,7 +2,7 @@
// basic_io_object.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)
@@ -16,7 +16,6 @@
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include <boost/asio/detail/config.hpp>
-#include <boost/asio/detail/noncopyable.hpp>
#include <boost/asio/io_service.hpp>
#include <boost/asio/detail/push_options.hpp>
@@ -24,10 +23,42 @@
namespace boost {
namespace asio {
+#if defined(BOOST_ASIO_HAS_MOVE)
+namespace detail
+{
+ // Type trait used to determine whether a service supports move.
+ template <typename IoObjectService>
+ class service_has_move
+ {
+ private:
+ typedef IoObjectService service_type;
+ typedef typename service_type::implementation_type implementation_type;
+
+ template <typename T, typename U>
+ static auto eval(T* t, U* u) -> decltype(t->move_construct(*u, *u), char());
+ static char (&eval(...))[2];
+
+ public:
+ static const bool value =
+ sizeof(service_has_move::eval(
+ static_cast<service_type*>(0),
+ static_cast<implementation_type*>(0))) == 1;
+ };
+}
+#endif // defined(BOOST_ASIO_HAS_MOVE)
+
/// Base class for all I/O objects.
+/**
+ * @note All I/O objects are non-copyable. However, when using C++0x, certain
+ * I/O objects do support move construction and move assignment.
+ */
+#if !defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
template <typename IoObjectService>
+#else
+template <typename IoObjectService,
+ bool Movable = detail::service_has_move<IoObjectService>::value>
+#endif
class basic_io_object
- : private noncopyable
{
public:
/// The type of the service that will be used to provide I/O operations.
@@ -36,20 +67,6 @@ public:
/// The underlying implementation type of I/O object.
typedef typename service_type::implementation_type implementation_type;
- /// (Deprecated: use get_io_service().) Get the io_service associated with
- /// the object.
- /**
- * This function may be used to obtain the io_service object that the I/O
- * object uses to dispatch handlers for asynchronous operations.
- *
- * @return A reference to the io_service object that the I/O object will use
- * to dispatch handlers. Ownership is not transferred to the caller.
- */
- boost::asio::io_service& io_service()
- {
- return service.get_io_service();
- }
-
/// Get the io_service associated with the object.
/**
* This function may be used to obtain the io_service object that the I/O
@@ -67,7 +84,7 @@ protected:
/// Construct a basic_io_object.
/**
* Performs:
- * @code service.construct(implementation); @endcode
+ * @code get_service().construct(get_implementation()); @endcode
*/
explicit basic_io_object(boost::asio::io_service& io_service)
: service(boost::asio::use_service<IoObjectService>(io_service))
@@ -75,22 +92,147 @@ protected:
service.construct(implementation);
}
+#if defined(GENERATING_DOCUMENTATION)
+ /// Move-construct a basic_io_object.
+ /**
+ * Performs:
+ * @code get_service().move_construct(
+ * get_implementation(), other.get_implementation()); @endcode
+ *
+ * @note Available only for services that support movability,
+ */
+ basic_io_object(basic_io_object&& other);
+
+ /// Move-assign a basic_io_object.
+ /**
+ * Performs:
+ * @code get_service().move_assign(get_implementation(),
+ * other.get_service(), other.get_implementation()); @endcode
+ *
+ * @note Available only for services that support movability,
+ */
+ basic_io_object& operator=(basic_io_object&& other);
+#endif // defined(GENERATING_DOCUMENTATION)
+
/// Protected destructor to prevent deletion through this type.
/**
* Performs:
- * @code service.destroy(implementation); @endcode
+ * @code get_service().destroy(get_implementation()); @endcode
*/
~basic_io_object()
{
service.destroy(implementation);
}
- /// The service associated with the I/O object.
+ /// Get the service associated with the I/O object.
+ service_type& get_service()
+ {
+ return service;
+ }
+
+ /// Get the service associated with the I/O object.
+ const service_type& get_service() const
+ {
+ return service;
+ }
+
+ /// (Deprecated: Use get_service().) The service associated with the I/O
+ /// object.
+ /**
+ * @note Available only for services that do not support movability.
+ */
service_type& service;
- /// The underlying implementation of the I/O object.
+ /// Get the underlying implementation of the I/O object.
+ implementation_type& get_implementation()
+ {
+ return implementation;
+ }
+
+ /// Get the underlying implementation of the I/O object.
+ const implementation_type& get_implementation() const
+ {
+ return implementation;
+ }
+
+ /// (Deprecated: Use get_implementation().) The underlying implementation of
+ /// the I/O object.
implementation_type implementation;
+
+private:
+ basic_io_object(const basic_io_object&);
+ basic_io_object& operator=(const basic_io_object&);
+};
+
+#if defined(BOOST_ASIO_HAS_MOVE)
+// Specialisation for movable objects.
+template <typename IoObjectService>
+class basic_io_object<IoObjectService, true>
+{
+public:
+ typedef IoObjectService service_type;
+ typedef typename service_type::implementation_type implementation_type;
+
+ boost::asio::io_service& get_io_service()
+ {
+ return service_->get_io_service();
+ }
+
+protected:
+ explicit basic_io_object(boost::asio::io_service& io_service)
+ : service_(&boost::asio::use_service<IoObjectService>(io_service))
+ {
+ service_->construct(implementation);
+ }
+
+ basic_io_object(basic_io_object&& other)
+ : service_(&other.get_service())
+ {
+ service_->move_construct(implementation, other.implementation);
+ }
+
+ ~basic_io_object()
+ {
+ service_->destroy(implementation);
+ }
+
+ basic_io_object& operator=(basic_io_object&& other)
+ {
+ service_->move_assign(implementation,
+ *other.service_, other.implementation);
+ service_ = other.service_;
+ return *this;
+ }
+
+ service_type& get_service()
+ {
+ return *service_;
+ }
+
+ const service_type& get_service() const
+ {
+ return *service_;
+ }
+
+ implementation_type& get_implementation()
+ {
+ return implementation;
+ }
+
+ const implementation_type& get_implementation() const
+ {
+ return implementation;
+ }
+
+ implementation_type implementation;
+
+private:
+ basic_io_object(const basic_io_object&);
+ void operator=(const basic_io_object&);
+
+ IoObjectService* service_;
};
+#endif // defined(BOOST_ASIO_HAS_MOVE)
} // namespace asio
} // namespace boost