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All I/O objects now have an additional Executor template parameter. This
template parameter defaults to the asio::executor type (the polymorphic
executor wrapper) but can be used to specify a user-defined executor
type.
I/O objects' constructors and functions that previously took an
asio::io_context& now accept either an Executor or a reference to a
concrete ExecutionContext (such as asio::io_context or
asio::thread_pool).
One potential point of breakage in existing user code is when reusing an
I/O object's io_context for constructing another I/O object, as in:
asio::steady_timer my_timer(my_socket.get_executor().context());
To fix this, either construct the second I/O object using the first I/O
object's executor:
asio::steady_timer my_timer(my_socket.get_executor());
or otherwise explicitly pass the io_context:
asio::steady_timer my_timer(my_io_context);
26 lines
608 B
C++
26 lines
608 B
C++
//
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// basic_socket.cpp
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// ~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// Disable autolinking for unit tests.
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#if !defined(BOOST_ALL_NO_LIB)
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#define BOOST_ALL_NO_LIB 1
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#endif // !defined(BOOST_ALL_NO_LIB)
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// Test that header file is self-contained.
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#include <boost/asio/basic_socket.hpp>
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#include "unit_test.hpp"
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BOOST_ASIO_TEST_SUITE
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(
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"basic_socket",
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BOOST_ASIO_TEST_CASE(null_test)
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)
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