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author | Remko Tronçon <git@el-tramo.be> | 2010-11-24 20:33:19 (GMT) |
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committer | Remko Tronçon <git@el-tramo.be> | 2010-11-24 20:35:17 (GMT) |
commit | 332d60c56dfaa11fdd135088279d15cd5983b3d4 (patch) | |
tree | dd77717a4e1732da929d5ff8a0471fa3f005e201 /3rdParty/Boost/src/boost/asio/detail/handler_alloc_helpers.hpp | |
parent | 90c44a10fec26d2a0935b2d62e82b6a5be028373 (diff) | |
download | swift-contrib-332d60c56dfaa11fdd135088279d15cd5983b3d4.zip swift-contrib-332d60c56dfaa11fdd135088279d15cd5983b3d4.tar.bz2 |
Upgraded Boost to 1.45.0.
Diffstat (limited to '3rdParty/Boost/src/boost/asio/detail/handler_alloc_helpers.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/asio/detail/handler_alloc_helpers.hpp | 238 |
1 files changed, 31 insertions, 207 deletions
diff --git a/3rdParty/Boost/src/boost/asio/detail/handler_alloc_helpers.hpp b/3rdParty/Boost/src/boost/asio/detail/handler_alloc_helpers.hpp index d385972..00d4c02 100644 --- a/3rdParty/Boost/src/boost/asio/detail/handler_alloc_helpers.hpp +++ b/3rdParty/Boost/src/boost/asio/detail/handler_alloc_helpers.hpp @@ -1,6 +1,6 @@ // -// handler_alloc_helpers.hpp -// ~~~~~~~~~~~~~~~~~~~~~~~~~ +// detail/handler_alloc_helpers.hpp +// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2010 Christopher M. Kohlhoff (chris at kohlhoff dot com) // @@ -15,15 +15,13 @@ # pragma once #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) -#include <boost/asio/detail/push_options.hpp> - -#include <boost/asio/detail/push_options.hpp> +#include <boost/asio/detail/config.hpp> #include <boost/detail/workaround.hpp> #include <boost/utility/addressof.hpp> -#include <boost/asio/detail/pop_options.hpp> - -#include <boost/asio/handler_alloc_hook.hpp> #include <boost/asio/detail/noncopyable.hpp> +#include <boost/asio/handler_alloc_hook.hpp> + +#include <boost/asio/detail/push_options.hpp> // Calls to asio_handler_allocate and asio_handler_deallocate must be made from // a namespace that does not contain any overloads of these functions. The @@ -56,205 +54,31 @@ inline void deallocate(void* p, std::size_t s, Handler& h) } // namespace boost_asio_handler_alloc_helpers -namespace boost { -namespace asio { -namespace detail { - -// Traits for handler allocation. -template <typename Handler, typename Object> -struct handler_alloc_traits -{ - typedef Handler handler_type; - typedef Object value_type; - typedef Object* pointer_type; - BOOST_STATIC_CONSTANT(std::size_t, value_size = sizeof(Object)); -}; - -template <typename Alloc_Traits> -class handler_ptr; - -// Helper class to provide RAII on uninitialised handler memory. -template <typename Alloc_Traits> -class raw_handler_ptr - : private noncopyable -{ -public: - typedef typename Alloc_Traits::handler_type handler_type; - typedef typename Alloc_Traits::value_type value_type; - typedef typename Alloc_Traits::pointer_type pointer_type; - BOOST_STATIC_CONSTANT(std::size_t, value_size = Alloc_Traits::value_size); - - // Constructor allocates the memory. - raw_handler_ptr(handler_type& handler) - : handler_(handler), - pointer_(static_cast<pointer_type>( - boost_asio_handler_alloc_helpers::allocate(value_size, handler_))) - { - } - - // Destructor automatically deallocates memory, unless it has been stolen by - // a handler_ptr object. - ~raw_handler_ptr() - { - if (pointer_) - boost_asio_handler_alloc_helpers::deallocate( - pointer_, value_size, handler_); - } - -private: - friend class handler_ptr<Alloc_Traits>; - handler_type& handler_; - pointer_type pointer_; -}; - -// Helper class to provide RAII on uninitialised handler memory. -template <typename Alloc_Traits> -class handler_ptr - : private noncopyable -{ -public: - typedef typename Alloc_Traits::handler_type handler_type; - typedef typename Alloc_Traits::value_type value_type; - typedef typename Alloc_Traits::pointer_type pointer_type; - BOOST_STATIC_CONSTANT(std::size_t, value_size = Alloc_Traits::value_size); - typedef raw_handler_ptr<Alloc_Traits> raw_ptr_type; - - // Take ownership of existing memory. - handler_ptr(handler_type& handler, pointer_type pointer) - : handler_(handler), - pointer_(pointer) - { - } - - // Construct object in raw memory and take ownership if construction succeeds. - handler_ptr(raw_ptr_type& raw_ptr) - : handler_(raw_ptr.handler_), - pointer_(new (raw_ptr.pointer_) value_type) - { - raw_ptr.pointer_ = 0; - } - - // Construct object in raw memory and take ownership if construction succeeds. - template <typename Arg1> - handler_ptr(raw_ptr_type& raw_ptr, Arg1& a1) - : handler_(raw_ptr.handler_), - pointer_(new (raw_ptr.pointer_) value_type(a1)) - { - raw_ptr.pointer_ = 0; - } - - // Construct object in raw memory and take ownership if construction succeeds. - template <typename Arg1, typename Arg2> - handler_ptr(raw_ptr_type& raw_ptr, Arg1& a1, Arg2& a2) - : handler_(raw_ptr.handler_), - pointer_(new (raw_ptr.pointer_) value_type(a1, a2)) - { - raw_ptr.pointer_ = 0; - } - - // Construct object in raw memory and take ownership if construction succeeds. - template <typename Arg1, typename Arg2, typename Arg3> - handler_ptr(raw_ptr_type& raw_ptr, Arg1& a1, Arg2& a2, Arg3& a3) - : handler_(raw_ptr.handler_), - pointer_(new (raw_ptr.pointer_) value_type(a1, a2, a3)) - { - raw_ptr.pointer_ = 0; - } - - // Construct object in raw memory and take ownership if construction succeeds. - template <typename Arg1, typename Arg2, typename Arg3, typename Arg4> - handler_ptr(raw_ptr_type& raw_ptr, Arg1& a1, Arg2& a2, Arg3& a3, Arg4& a4) - : handler_(raw_ptr.handler_), - pointer_(new (raw_ptr.pointer_) value_type(a1, a2, a3, a4)) - { - raw_ptr.pointer_ = 0; - } - - // Construct object in raw memory and take ownership if construction succeeds. - template <typename Arg1, typename Arg2, typename Arg3, typename Arg4, - typename Arg5> - handler_ptr(raw_ptr_type& raw_ptr, Arg1& a1, Arg2& a2, Arg3& a3, Arg4& a4, - Arg5& a5) - : handler_(raw_ptr.handler_), - pointer_(new (raw_ptr.pointer_) value_type(a1, a2, a3, a4, a5)) - { - raw_ptr.pointer_ = 0; - } - - // Construct object in raw memory and take ownership if construction succeeds. - template <typename Arg1, typename Arg2, typename Arg3, typename Arg4, - typename Arg5, typename Arg6> - handler_ptr(raw_ptr_type& raw_ptr, Arg1& a1, Arg2& a2, Arg3& a3, Arg4& a4, - Arg5& a5, Arg6& a6) - : handler_(raw_ptr.handler_), - pointer_(new (raw_ptr.pointer_) value_type(a1, a2, a3, a4, a5, a6)) - { - raw_ptr.pointer_ = 0; - } - - // Construct object in raw memory and take ownership if construction succeeds. - template <typename Arg1, typename Arg2, typename Arg3, typename Arg4, - typename Arg5, typename Arg6, typename Arg7> - handler_ptr(raw_ptr_type& raw_ptr, Arg1& a1, Arg2& a2, Arg3& a3, Arg4& a4, - Arg5& a5, Arg6& a6, Arg7& a7) - : handler_(raw_ptr.handler_), - pointer_(new (raw_ptr.pointer_) value_type(a1, a2, a3, a4, a5, a6, a7)) - { - raw_ptr.pointer_ = 0; - } - - // Construct object in raw memory and take ownership if construction succeeds. - template <typename Arg1, typename Arg2, typename Arg3, typename Arg4, - typename Arg5, typename Arg6, typename Arg7, typename Arg8> - handler_ptr(raw_ptr_type& raw_ptr, Arg1& a1, Arg2& a2, Arg3& a3, Arg4& a4, - Arg5& a5, Arg6& a6, Arg7& a7, Arg8& a8) - : handler_(raw_ptr.handler_), - pointer_(new (raw_ptr.pointer_) value_type( - a1, a2, a3, a4, a5, a6, a7, a8)) - { - raw_ptr.pointer_ = 0; - } - - // Destructor automatically deallocates memory, unless it has been released. - ~handler_ptr() - { - reset(); - } - - // Get the memory. - pointer_type get() const - { - return pointer_; - } - - // Release ownership of the memory. - pointer_type release() - { - pointer_type tmp = pointer_; - pointer_ = 0; - return tmp; - } - - // Explicitly destroy and deallocate the memory. - void reset() - { - if (pointer_) - { - pointer_->value_type::~value_type(); - boost_asio_handler_alloc_helpers::deallocate( - pointer_, value_size, handler_); - pointer_ = 0; - } - } - -private: - handler_type& handler_; - pointer_type pointer_; -}; - -} // namespace detail -} // namespace asio -} // namespace boost +#define BOOST_ASIO_DEFINE_HANDLER_PTR(op) \ + struct ptr \ + { \ + Handler* h; \ + void* v; \ + op* p; \ + ~ptr() \ + { \ + reset(); \ + } \ + void reset() \ + { \ + if (p) \ + { \ + p->~op(); \ + p = 0; \ + } \ + if (v) \ + { \ + boost_asio_handler_alloc_helpers::deallocate(v, sizeof(op), *h); \ + v = 0; \ + } \ + } \ + } \ + /**/ #include <boost/asio/detail/pop_options.hpp> |