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-rw-r--r--3rdparty/asio/include/asio/detail/reactive_socket_recvmsg_op.hpp78
1 files changed, 65 insertions, 13 deletions
diff --git a/3rdparty/asio/include/asio/detail/reactive_socket_recvmsg_op.hpp b/3rdparty/asio/include/asio/detail/reactive_socket_recvmsg_op.hpp
index e0c801fd86d..e4c8117b675 100644
--- a/3rdparty/asio/include/asio/detail/reactive_socket_recvmsg_op.hpp
+++ b/3rdparty/asio/include/asio/detail/reactive_socket_recvmsg_op.hpp
@@ -2,7 +2,7 @@
// detail/reactive_socket_recvmsg_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)
@@ -19,6 +19,8 @@
#include "asio/detail/bind_handler.hpp"
#include "asio/detail/buffer_sequence_adapter.hpp"
#include "asio/detail/fenced_block.hpp"
+#include "asio/detail/handler_alloc_helpers.hpp"
+#include "asio/detail/handler_work.hpp"
#include "asio/detail/memory.hpp"
#include "asio/detail/reactor_op.hpp"
#include "asio/detail/socket_ops.hpp"
@@ -33,10 +35,12 @@ template <typename MutableBufferSequence>
class reactive_socket_recvmsg_op_base : public reactor_op
{
public:
- reactive_socket_recvmsg_op_base(socket_type socket,
- const MutableBufferSequence& buffers, socket_base::message_flags in_flags,
+ reactive_socket_recvmsg_op_base(const asio::error_code& success_ec,
+ socket_type socket, const MutableBufferSequence& buffers,
+ socket_base::message_flags in_flags,
socket_base::message_flags& out_flags, func_type complete_func)
- : reactor_op(&reactive_socket_recvmsg_op_base::do_perform, complete_func),
+ : reactor_op(success_ec,
+ &reactive_socket_recvmsg_op_base::do_perform, complete_func),
socket_(socket),
buffers_(buffers),
in_flags_(in_flags),
@@ -46,6 +50,7 @@ public:
static status do_perform(reactor_op* base)
{
+ ASIO_ASSUME(base != 0);
reactive_socket_recvmsg_op_base* o(
static_cast<reactive_socket_recvmsg_op_base*>(base));
@@ -70,21 +75,27 @@ private:
socket_base::message_flags& out_flags_;
};
-template <typename MutableBufferSequence, typename Handler>
+template <typename MutableBufferSequence, typename Handler, typename IoExecutor>
class reactive_socket_recvmsg_op :
public reactive_socket_recvmsg_op_base<MutableBufferSequence>
{
public:
+ typedef Handler handler_type;
+ typedef IoExecutor io_executor_type;
+
ASIO_DEFINE_HANDLER_PTR(reactive_socket_recvmsg_op);
- reactive_socket_recvmsg_op(socket_type socket,
- const MutableBufferSequence& buffers, socket_base::message_flags in_flags,
- socket_base::message_flags& out_flags, Handler& handler)
- : reactive_socket_recvmsg_op_base<MutableBufferSequence>(socket, buffers,
- in_flags, out_flags, &reactive_socket_recvmsg_op::do_complete),
- handler_(ASIO_MOVE_CAST(Handler)(handler))
+ reactive_socket_recvmsg_op(const asio::error_code& success_ec,
+ socket_type socket, const MutableBufferSequence& buffers,
+ socket_base::message_flags in_flags,
+ socket_base::message_flags& out_flags, Handler& handler,
+ const IoExecutor& io_ex)
+ : reactive_socket_recvmsg_op_base<MutableBufferSequence>(
+ success_ec, socket, buffers, in_flags, out_flags,
+ &reactive_socket_recvmsg_op::do_complete),
+ handler_(static_cast<Handler&&>(handler)),
+ work_(handler_, io_ex)
{
- handler_work<Handler>::start(handler_);
}
static void do_complete(void* owner, operation* base,
@@ -92,13 +103,20 @@ public:
std::size_t /*bytes_transferred*/)
{
// Take ownership of the handler object.
+ ASIO_ASSUME(base != 0);
reactive_socket_recvmsg_op* o(
static_cast<reactive_socket_recvmsg_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_));
+
+ ASIO_ERROR_LOCATION(o->ec_);
+
// 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
@@ -120,8 +138,42 @@ public:
}
}
+ static void do_immediate(operation* base, bool, const void* io_ex)
+ {
+ // Take ownership of the handler object.
+ ASIO_ASSUME(base != 0);
+ reactive_socket_recvmsg_op* o(
+ static_cast<reactive_socket_recvmsg_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_));
+
+ ASIO_ERROR_LOCATION(o->ec_);
+
+ // 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