diff options
Diffstat (limited to '3rdparty/asio/include/asio/detail/reactive_null_buffers_op.hpp')
-rw-r--r-- | 3rdparty/asio/include/asio/detail/reactive_null_buffers_op.hpp | 57 |
1 files changed, 49 insertions, 8 deletions
diff --git a/3rdparty/asio/include/asio/detail/reactive_null_buffers_op.hpp b/3rdparty/asio/include/asio/detail/reactive_null_buffers_op.hpp index 504e4f66b11..b9a32a91217 100644 --- a/3rdparty/asio/include/asio/detail/reactive_null_buffers_op.hpp +++ b/3rdparty/asio/include/asio/detail/reactive_null_buffers_op.hpp @@ -2,7 +2,7 @@ // detail/reactive_null_buffers_op.hpp // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // -// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com) +// Copyright (c) 2003-2024 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) @@ -16,9 +16,10 @@ #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include "asio/detail/config.hpp" +#include "asio/detail/bind_handler.hpp" #include "asio/detail/fenced_block.hpp" #include "asio/detail/handler_alloc_helpers.hpp" -#include "asio/detail/handler_invoke_helpers.hpp" +#include "asio/detail/handler_work.hpp" #include "asio/detail/memory.hpp" #include "asio/detail/reactor_op.hpp" @@ -27,18 +28,22 @@ namespace asio { namespace detail { -template <typename Handler> +template <typename Handler, typename IoExecutor> class reactive_null_buffers_op : public reactor_op { public: + typedef Handler handler_type; + typedef IoExecutor io_executor_type; + ASIO_DEFINE_HANDLER_PTR(reactive_null_buffers_op); - reactive_null_buffers_op(Handler& handler) - : reactor_op(&reactive_null_buffers_op::do_perform, + reactive_null_buffers_op(const asio::error_code& success_ec, + Handler& handler, const IoExecutor& io_ex) + : reactor_op(success_ec, &reactive_null_buffers_op::do_perform, &reactive_null_buffers_op::do_complete), - handler_(ASIO_MOVE_CAST(Handler)(handler)) + handler_(static_cast<Handler&&>(handler)), + work_(handler_, io_ex) { - handler_work<Handler>::start(handler_); } static status do_perform(reactor_op*) @@ -51,12 +56,17 @@ public: std::size_t /*bytes_transferred*/) { // Take ownership of the handler object. + ASIO_ASSUME(base != 0); reactive_null_buffers_op* o(static_cast<reactive_null_buffers_op*>(base)); ptr p = { asio::detail::addressof(o->handler_), o, o }; - handler_work<Handler> w(o->handler_); ASIO_HANDLER_COMPLETION((*o)); + // Take ownership of the operation's outstanding work. + handler_work<Handler, IoExecutor> w( + static_cast<handler_work<Handler, IoExecutor>&&>( + o->work_)); + // Make a copy of the handler so that the memory can be deallocated before // the upcall is made. Even if we're not about to make an upcall, a // sub-object of the handler may be the true owner of the memory associated @@ -78,8 +88,39 @@ public: } } + static void do_immediate(operation* base, bool, const void* io_ex) + { + // Take ownership of the handler object. + ASIO_ASSUME(base != 0); + reactive_null_buffers_op* o(static_cast<reactive_null_buffers_op*>(base)); + ptr p = { asio::detail::addressof(o->handler_), o, o }; + + ASIO_HANDLER_COMPLETION((*o)); + + // Take ownership of the operation's outstanding work. + immediate_handler_work<Handler, IoExecutor> w( + static_cast<handler_work<Handler, IoExecutor>&&>( + o->work_)); + + // Make a copy of the handler so that the memory can be deallocated before + // the upcall is made. Even if we're not about to make an upcall, a + // sub-object of the handler may be the true owner of the memory associated + // with the handler. Consequently, a local copy of the handler is required + // to ensure that any owning sub-object remains valid until after we have + // deallocated the memory here. + detail::binder2<Handler, asio::error_code, std::size_t> + handler(o->handler_, o->ec_, o->bytes_transferred_); + p.h = asio::detail::addressof(handler.handler_); + p.reset(); + + ASIO_HANDLER_INVOCATION_BEGIN((handler.arg1_, handler.arg2_)); + w.complete(handler, handler.handler_, io_ex); + ASIO_HANDLER_INVOCATION_END; + } + private: Handler handler_; + handler_work<Handler, IoExecutor> work_; }; } // namespace detail |