FM / asio

/usr/include/boost/asio

Name	Size	Mode	Actions
detail/	-	0755	rm
execution/	-	0755	rm
generic/	-	0755	rm
impl/	-	0755	rm
ip/	-	0755	rm
local/	-	0755	rm
posix/	-	0755	rm
ssl/	-	0755	rm
traits/	-	0755	rm
ts/	-	0755	rm
windows/	-	0755	rm
any_io_executor.hpp	2625	0644	edit dl rm
associated_allocator.hpp	3791	0644	edit dl rm
associated_executor.hpp	5057	0644	edit dl rm
async_result.hpp	19423	0644	edit dl rm
awaitable.hpp	3270	0644	edit dl rm
basic_datagram_socket.hpp	47521	0644	edit dl rm
basic_deadline_timer.hpp	24158	0644	edit dl rm
basic_io_object.hpp	8096	0644	edit dl rm
basic_raw_socket.hpp	46996	0644	edit dl rm
basic_seq_packet_socket.hpp	29184	0644	edit dl rm
basic_serial_port.hpp	31912	0644	edit dl rm
basic_signal_set.hpp	19876	0644	edit dl rm
basic_socket.hpp	65516	0644	edit dl rm
basic_socket_acceptor.hpp	88062	0644	edit dl rm
basic_socket_iostream.hpp	13298	0644	edit dl rm
basic_socket_streambuf.hpp	21713	0644	edit dl rm
basic_streambuf.hpp	13714	0644	edit dl rm
basic_streambuf_fwd.hpp	920	0644	edit dl rm
basic_stream_socket.hpp	41520	0644	edit dl rm
basic_waitable_timer.hpp	28528	0644	edit dl rm
bind_executor.hpp	16510	0644	edit dl rm
buffer.hpp	83254	0644	edit dl rm
buffered_read_stream.hpp	8424	0644	edit dl rm
buffered_read_stream_fwd.hpp	699	0644	edit dl rm
buffered_stream.hpp	9074	0644	edit dl rm
buffered_stream_fwd.hpp	669	0644	edit dl rm
buffered_write_stream.hpp	8042	0644	edit dl rm
buffered_write_stream_fwd.hpp	705	0644	edit dl rm
buffers_iterator.hpp	14049	0644	edit dl rm
completion_condition.hpp	5500	0644	edit dl rm
compose.hpp	4596	0644	edit dl rm
connect.hpp	43157	0644	edit dl rm
coroutine.hpp	9897	0644	edit dl rm
co_spawn.hpp	14509	0644	edit dl rm
deadline_timer.hpp	1138	0644	edit dl rm
defer.hpp	5070	0644	edit dl rm
detached.hpp	3517	0644	edit dl rm
dispatch.hpp	4537	0644	edit dl rm
error.hpp	10351	0644	edit dl rm
execution.hpp	1871	0644	edit dl rm
execution_context.hpp	14341	0644	edit dl rm
executor.hpp	10467	0644	edit dl rm
executor_work_guard.hpp	8039	0644	edit dl rm
handler_alloc_hook.hpp	3471	0644	edit dl rm
handler_continuation_hook.hpp	1474	0644	edit dl rm
handler_invoke_hook.hpp	3744	0644	edit dl rm
high_resolution_timer.hpp	1394	0644	edit dl rm
io_context.hpp	55226	0644	edit dl rm
io_context_strand.hpp	13706	0644	edit dl rm
io_service.hpp	861	0644	edit dl rm
io_service_strand.hpp	575	0644	edit dl rm
is_applicable_property.hpp	1605	0644	edit dl rm
is_executor.hpp	1306	0644	edit dl rm
is_read_buffered.hpp	1646	0644	edit dl rm
is_write_buffered.hpp	1667	0644	edit dl rm
multiple_exceptions.hpp	1631	0644	edit dl rm
packaged_task.hpp	3358	0644	edit dl rm
placeholders.hpp	4146	0644	edit dl rm
post.hpp	4760	0644	edit dl rm
prefer.hpp	18821	0644	edit dl rm
query.hpp	8323	0644	edit dl rm
read.hpp	53894	0644	edit dl rm
read_at.hpp	27766	0644	edit dl rm
read_until.hpp	119477	0644	edit dl rm
redirect_error.hpp	1938	0644	edit dl rm
require.hpp	14926	0644	edit dl rm
require_concept.hpp	9218	0644	edit dl rm
serial_port.hpp	1010	0644	edit dl rm
serial_port_base.hpp	4975	0644	edit dl rm
signal_set.hpp	748	0644	edit dl rm
socket_base.hpp	15939	0644	edit dl rm
spawn.hpp	11793	0644	edit dl rm
ssl.hpp	848	0644	edit dl rm
static_thread_pool.hpp	826	0644	edit dl rm
steady_timer.hpp	1306	0644	edit dl rm
strand.hpp	17193	0644	edit dl rm
streambuf.hpp	826	0644	edit dl rm
system_context.hpp	2649	0644	edit dl rm
system_executor.hpp	22529	0644	edit dl rm
system_timer.hpp	1306	0644	edit dl rm
this_coro.hpp	1149	0644	edit dl rm
thread_pool.hpp	37567	0644	edit dl rm
time_traits.hpp	2281	0644	edit dl rm
unyield.hpp	381	0644	edit dl rm
uses_executor.hpp	2348	0644	edit dl rm
use_awaitable.hpp	5821	0644	edit dl rm
use_future.hpp	4820	0644	edit dl rm
version.hpp	686	0644	edit dl rm
wait_traits.hpp	1451	0644	edit dl rm
write.hpp	52959	0644	edit dl rm
write_at.hpp	29514	0644	edit dl rm
yield.hpp	482	0644	edit dl rm

Edit: /usr/include/boost/asio/write.hpp (52959B)

//
// write.hpp
// ~~~~~~~~~
//
// Copyright (c) 2003-2020 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)
//

#ifndef BOOST_ASIO_WRITE_HPP
#define BOOST_ASIO_WRITE_HPP

#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)

#include <boost/asio/detail/config.hpp>
#include <cstddef>
#include <boost/asio/async_result.hpp>
#include <boost/asio/buffer.hpp>
#include <boost/asio/error.hpp>

#if !defined(BOOST_ASIO_NO_EXTENSIONS)
# include <boost/asio/basic_streambuf_fwd.hpp>
#endif // !defined(BOOST_ASIO_NO_EXTENSIONS)

#include <boost/asio/detail/push_options.hpp>

namespace boost {
namespace asio {

/**
 * @defgroup write boost::asio::write
 *
 * @brief The @c write function is a composed operation that writes a certain
 * amount of data to a stream before returning.
 */
/*@{*/

/// Write all of the supplied data to a stream before returning.
/**
 * This function is used to write a certain number of bytes of data to a stream.
 * The call will block until one of the following conditions is true:
 *
 * @li All of the data in the supplied buffers has been written. That is, the
 * bytes transferred is equal to the sum of the buffer sizes.
 *
 * @li An error occurred.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * write_some function.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the SyncWriteStream concept.
 *
 * @param buffers One or more buffers containing the data to be written. The sum
 * of the buffer sizes indicates the maximum number of bytes to write to the
 * stream.
 *
 * @returns The number of bytes transferred.
 *
 * @throws boost::system::system_error Thrown on failure.
 *
 * @par Example
 * To write a single data buffer use the @ref buffer function as follows:
 * @code boost::asio::write(s, boost::asio::buffer(data, size)); @endcode
 * See the @ref buffer documentation for information on writing multiple
 * buffers in one go, and how to use it with arrays, boost::array or
 * std::vector.
 *
 * @note This overload is equivalent to calling:
 * @code boost::asio::write(
 * s, buffers,
 * boost::asio::transfer_all()); @endcode
 */
template <typename SyncWriteStream, typename ConstBufferSequence>
std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers,
 typename enable_if<
 is_const_buffer_sequence<ConstBufferSequence>::value
 >::type* = 0);

/// Write all of the supplied data to a stream before returning.
/**
 * This function is used to write a certain number of bytes of data to a stream.
 * The call will block until one of the following conditions is true:
 *
 * @li All of the data in the supplied buffers has been written. That is, the
 * bytes transferred is equal to the sum of the buffer sizes.
 *
 * @li An error occurred.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * write_some function.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the SyncWriteStream concept.
 *
 * @param buffers One or more buffers containing the data to be written. The sum
 * of the buffer sizes indicates the maximum number of bytes to write to the
 * stream.
 *
 * @param ec Set to indicate what error occurred, if any.
 *
 * @returns The number of bytes transferred.
 *
 * @par Example
 * To write a single data buffer use the @ref buffer function as follows:
 * @code boost::asio::write(s, boost::asio::buffer(data, size), ec); @endcode
 * See the @ref buffer documentation for information on writing multiple
 * buffers in one go, and how to use it with arrays, boost::array or
 * std::vector.
 *
 * @note This overload is equivalent to calling:
 * @code boost::asio::write(
 * s, buffers,
 * boost::asio::transfer_all(), ec); @endcode
 */
template <typename SyncWriteStream, typename ConstBufferSequence>
std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers,
 boost::system::error_code& ec,
 typename enable_if<
 is_const_buffer_sequence<ConstBufferSequence>::value
 >::type* = 0);

/// Write a certain amount of data to a stream before returning.
/**
 * This function is used to write a certain number of bytes of data to a stream.
 * The call will block until one of the following conditions is true:
 *
 * @li All of the data in the supplied buffers has been written. That is, the
 * bytes transferred is equal to the sum of the buffer sizes.
 *
 * @li The completion_condition function object returns 0.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * write_some function.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the SyncWriteStream concept.
 *
 * @param buffers One or more buffers containing the data to be written. The sum
 * of the buffer sizes indicates the maximum number of bytes to write to the
 * stream.
 *
 * @param completion_condition The function object to be called to determine
 * whether the write operation is complete. The signature of the function object
 * must be:
 * @code std::size_t completion_condition(
 * // Result of latest write_some operation.
 * const boost::system::error_code& error,
 *
 * // Number of bytes transferred so far.
 * std::size_t bytes_transferred
 * ); @endcode
 * A return value of 0 indicates that the write operation is complete. A
 * non-zero return value indicates the maximum number of bytes to be written on
 * the next call to the stream's write_some function.
 *
 * @returns The number of bytes transferred.
 *
 * @throws boost::system::system_error Thrown on failure.
 *
 * @par Example
 * To write a single data buffer use the @ref buffer function as follows:
 * @code boost::asio::write(s, boost::asio::buffer(data, size),
 * boost::asio::transfer_at_least(32)); @endcode
 * See the @ref buffer documentation for information on writing multiple
 * buffers in one go, and how to use it with arrays, boost::array or
 * std::vector.
 */
template <typename SyncWriteStream, typename ConstBufferSequence,
 typename CompletionCondition>
std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers,
 CompletionCondition completion_condition,
 typename enable_if<
 is_const_buffer_sequence<ConstBufferSequence>::value
 >::type* = 0);

/// Write a certain amount of data to a stream before returning.
/**
 * This function is used to write a certain number of bytes of data to a stream.
 * The call will block until one of the following conditions is true:
 *
 * @li All of the data in the supplied buffers has been written. That is, the
 * bytes transferred is equal to the sum of the buffer sizes.
 *
 * @li The completion_condition function object returns 0.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * write_some function.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the SyncWriteStream concept.
 *
 * @param buffers One or more buffers containing the data to be written. The sum
 * of the buffer sizes indicates the maximum number of bytes to write to the
 * stream.
 *
 * @param completion_condition The function object to be called to determine
 * whether the write operation is complete. The signature of the function object
 * must be:
 * @code std::size_t completion_condition(
 * // Result of latest write_some operation.
 * const boost::system::error_code& error,
 *
 * // Number of bytes transferred so far.
 * std::size_t bytes_transferred
 * ); @endcode
 * A return value of 0 indicates that the write operation is complete. A
 * non-zero return value indicates the maximum number of bytes to be written on
 * the next call to the stream's write_some function.
 *
 * @param ec Set to indicate what error occurred, if any.
 *
 * @returns The number of bytes written. If an error occurs, returns the total
 * number of bytes successfully transferred prior to the error.
 */
template <typename SyncWriteStream, typename ConstBufferSequence,
 typename CompletionCondition>
std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers,
 CompletionCondition completion_condition, boost::system::error_code& ec,
 typename enable_if<
 is_const_buffer_sequence<ConstBufferSequence>::value
 >::type* = 0);

#if !defined(BOOST_ASIO_NO_DYNAMIC_BUFFER_V1)

/// Write all of the supplied data to a stream before returning.
/**
 * This function is used to write a certain number of bytes of data to a stream.
 * The call will block until one of the following conditions is true:
 *
 * @li All of the data in the supplied dynamic buffer sequence has been written.
 *
 * @li An error occurred.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * write_some function.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the SyncWriteStream concept.
 *
 * @param buffers The dynamic buffer sequence from which data will be written.
 * Successfully written data is automatically consumed from the buffers.
 *
 * @returns The number of bytes transferred.
 *
 * @throws boost::system::system_error Thrown on failure.
 *
 * @note This overload is equivalent to calling:
 * @code boost::asio::write(
 * s, buffers,
 * boost::asio::transfer_all()); @endcode
 */
template <typename SyncWriteStream, typename DynamicBuffer_v1>
std::size_t write(SyncWriteStream& s,
 BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
 typename enable_if<
 is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
 && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
 >::type* = 0);

/// Write all of the supplied data to a stream before returning.
/**
 * This function is used to write a certain number of bytes of data to a stream.
 * The call will block until one of the following conditions is true:
 *
 * @li All of the data in the supplied dynamic buffer sequence has been written.
 *
 * @li An error occurred.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * write_some function.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the SyncWriteStream concept.
 *
 * @param buffers The dynamic buffer sequence from which data will be written.
 * Successfully written data is automatically consumed from the buffers.
 *
 * @param ec Set to indicate what error occurred, if any.
 *
 * @returns The number of bytes transferred.
 *
 * @note This overload is equivalent to calling:
 * @code boost::asio::write(
 * s, buffers,
 * boost::asio::transfer_all(), ec); @endcode
 */
template <typename SyncWriteStream, typename DynamicBuffer_v1>
std::size_t write(SyncWriteStream& s,
 BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
 boost::system::error_code& ec,
 typename enable_if<
 is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
 && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
 >::type* = 0);

/// Write a certain amount of data to a stream before returning.
/**
 * This function is used to write a certain number of bytes of data to a stream.
 * The call will block until one of the following conditions is true:
 *
 * @li All of the data in the supplied dynamic buffer sequence has been written.
 *
 * @li The completion_condition function object returns 0.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * write_some function.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the SyncWriteStream concept.
 *
 * @param buffers The dynamic buffer sequence from which data will be written.
 * Successfully written data is automatically consumed from the buffers.
 *
 * @param completion_condition The function object to be called to determine
 * whether the write operation is complete. The signature of the function object
 * must be:
 * @code std::size_t completion_condition(
 * // Result of latest write_some operation.
 * const boost::system::error_code& error,
 *
 * // Number of bytes transferred so far.
 * std::size_t bytes_transferred
 * ); @endcode
 * A return value of 0 indicates that the write operation is complete. A
 * non-zero return value indicates the maximum number of bytes to be written on
 * the next call to the stream's write_some function.
 *
 * @returns The number of bytes transferred.
 *
 * @throws boost::system::system_error Thrown on failure.
 */
template <typename SyncWriteStream, typename DynamicBuffer_v1,
 typename CompletionCondition>
std::size_t write(SyncWriteStream& s,
 BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
 CompletionCondition completion_condition,
 typename enable_if<
 is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
 && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
 >::type* = 0);

/// Write a certain amount of data to a stream before returning.
/**
 * This function is used to write a certain number of bytes of data to a stream.
 * The call will block until one of the following conditions is true:
 *
 * @li All of the data in the supplied dynamic buffer sequence has been written.
 *
 * @li The completion_condition function object returns 0.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * write_some function.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the SyncWriteStream concept.
 *
 * @param buffers The dynamic buffer sequence from which data will be written.
 * Successfully written data is automatically consumed from the buffers.
 *
 * @param completion_condition The function object to be called to determine
 * whether the write operation is complete. The signature of the function object
 * must be:
 * @code std::size_t completion_condition(
 * // Result of latest write_some operation.
 * const boost::system::error_code& error,
 *
 * // Number of bytes transferred so far.
 * std::size_t bytes_transferred
 * ); @endcode
 * A return value of 0 indicates that the write operation is complete. A
 * non-zero return value indicates the maximum number of bytes to be written on
 * the next call to the stream's write_some function.
 *
 * @param ec Set to indicate what error occurred, if any.
 *
 * @returns The number of bytes written. If an error occurs, returns the total
 * number of bytes successfully transferred prior to the error.
 */
template <typename SyncWriteStream, typename DynamicBuffer_v1,
 typename CompletionCondition>
std::size_t write(SyncWriteStream& s,
 BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
 CompletionCondition completion_condition, boost::system::error_code& ec,
 typename enable_if<
 is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
 && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
 >::type* = 0);

#if !defined(BOOST_ASIO_NO_EXTENSIONS)
#if !defined(BOOST_ASIO_NO_IOSTREAM)

/// Write a certain amount of data to a stream before returning.
/**
 * This function is used to write a certain number of bytes of data to a stream.
 * The call will block until one of the following conditions is true:
 *
 * @li All of the data in the supplied basic_streambuf has been written.
 *
 * @li The completion_condition function object returns 0.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * write_some function.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the SyncWriteStream concept.
 *
 * @param b The basic_streambuf object from which data will be written.
 *
 * @param completion_condition The function object to be called to determine
 * whether the write operation is complete. The signature of the function object
 * must be:
 * @code std::size_t completion_condition(
 * // Result of latest write_some operation.
 * const boost::system::error_code& error,
 *
 * // Number of bytes transferred so far.
 * std::size_t bytes_transferred
 * ); @endcode
 * A return value of 0 indicates that the write operation is complete. A
 * non-zero return value indicates the maximum number of bytes to be written on
 * the next call to the stream's write_some function.
 *
 * @returns The number of bytes transferred.
 *
 * @throws boost::system::system_error Thrown on failure.
 */
template <typename SyncWriteStream, typename Allocator,
 typename CompletionCondition>
std::size_t write(SyncWriteStream& s, basic_streambuf<Allocator>& b,
 CompletionCondition completion_condition);

/// Write a certain amount of data to a stream before returning.
/**
 * This function is used to write a certain number of bytes of data to a stream.
 * The call will block until one of the following conditions is true:
 *
 * @li All of the data in the supplied basic_streambuf has been written.
 *
 * @li The completion_condition function object returns 0.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * write_some function.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the SyncWriteStream concept.
 *
 * @param b The basic_streambuf object from which data will be written.
 *
 * @param completion_condition The function object to be called to determine
 * whether the write operation is complete. The signature of the function object
 * must be:
 * @code std::size_t completion_condition(
 * // Result of latest write_some operation.
 * const boost::system::error_code& error,
 *
 * // Number of bytes transferred so far.
 * std::size_t bytes_transferred
 * ); @endcode
 * A return value of 0 indicates that the write operation is complete. A
 * non-zero return value indicates the maximum number of bytes to be written on
 * the next call to the stream's write_some function.
 *
 * @param ec Set to indicate what error occurred, if any.
 *
 * @returns The number of bytes written. If an error occurs, returns the total
 * number of bytes successfully transferred prior to the error.
 */
template <typename SyncWriteStream, typename Allocator,
 typename CompletionCondition>
std::size_t write(SyncWriteStream& s, basic_streambuf<Allocator>& b,
 CompletionCondition completion_condition, boost::system::error_code& ec);

#endif // !defined(BOOST_ASIO_NO_IOSTREAM)
#endif // !defined(BOOST_ASIO_NO_EXTENSIONS)
#endif // !defined(BOOST_ASIO_NO_DYNAMIC_BUFFER_V1)

/// Write all of the supplied data to a stream before returning.
/**
 * This function is used to write a certain number of bytes of data to a stream.
 * The call will block until one of the following conditions is true:
 *
 * @li All of the data in the supplied dynamic buffer sequence has been written.
 *
 * @li An error occurred.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * write_some function.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the SyncWriteStream concept.
 *
 * @param buffers The dynamic buffer sequence from which data will be written.
 * Successfully written data is automatically consumed from the buffers.
 *
 * @returns The number of bytes transferred.
 *
 * @throws boost::system::system_error Thrown on failure.
 *
 * @note This overload is equivalent to calling:
 * @code boost::asio::write(
 * s, buffers,
 * boost::asio::transfer_all()); @endcode
 */
template <typename SyncWriteStream, typename DynamicBuffer_v2>
std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
 typename enable_if<
 is_dynamic_buffer_v2<DynamicBuffer_v2>::value
 >::type* = 0);

/// Write all of the supplied data to a stream before returning.
/**
 * This function is used to write a certain number of bytes of data to a stream.
 * The call will block until one of the following conditions is true:
 *
 * @li All of the data in the supplied dynamic buffer sequence has been written.
 *
 * @li An error occurred.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * write_some function.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the SyncWriteStream concept.
 *
 * @param buffers The dynamic buffer sequence from which data will be written.
 * Successfully written data is automatically consumed from the buffers.
 *
 * @param ec Set to indicate what error occurred, if any.
 *
 * @returns The number of bytes transferred.
 *
 * @note This overload is equivalent to calling:
 * @code boost::asio::write(
 * s, buffers,
 * boost::asio::transfer_all(), ec); @endcode
 */
template <typename SyncWriteStream, typename DynamicBuffer_v2>
std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
 boost::system::error_code& ec,
 typename enable_if<
 is_dynamic_buffer_v2<DynamicBuffer_v2>::value
 >::type* = 0);

/// Write a certain amount of data to a stream before returning.
/**
 * This function is used to write a certain number of bytes of data to a stream.
 * The call will block until one of the following conditions is true:
 *
 * @li All of the data in the supplied dynamic buffer sequence has been written.
 *
 * @li The completion_condition function object returns 0.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * write_some function.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the SyncWriteStream concept.
 *
 * @param buffers The dynamic buffer sequence from which data will be written.
 * Successfully written data is automatically consumed from the buffers.
 *
 * @param completion_condition The function object to be called to determine
 * whether the write operation is complete. The signature of the function object
 * must be:
 * @code std::size_t completion_condition(
 * // Result of latest write_some operation.
 * const boost::system::error_code& error,
 *
 * // Number of bytes transferred so far.
 * std::size_t bytes_transferred
 * ); @endcode
 * A return value of 0 indicates that the write operation is complete. A
 * non-zero return value indicates the maximum number of bytes to be written on
 * the next call to the stream's write_some function.
 *
 * @returns The number of bytes transferred.
 *
 * @throws boost::system::system_error Thrown on failure.
 */
template <typename SyncWriteStream, typename DynamicBuffer_v2,
 typename CompletionCondition>
std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
 CompletionCondition completion_condition,
 typename enable_if<
 is_dynamic_buffer_v2<DynamicBuffer_v2>::value
 >::type* = 0);

/// Write a certain amount of data to a stream before returning.
/**
 * This function is used to write a certain number of bytes of data to a stream.
 * The call will block until one of the following conditions is true:
 *
 * @li All of the data in the supplied dynamic buffer sequence has been written.
 *
 * @li The completion_condition function object returns 0.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * write_some function.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the SyncWriteStream concept.
 *
 * @param buffers The dynamic buffer sequence from which data will be written.
 * Successfully written data is automatically consumed from the buffers.
 *
 * @param completion_condition The function object to be called to determine
 * whether the write operation is complete. The signature of the function object
 * must be:
 * @code std::size_t completion_condition(
 * // Result of latest write_some operation.
 * const boost::system::error_code& error,
 *
 * // Number of bytes transferred so far.
 * std::size_t bytes_transferred
 * ); @endcode
 * A return value of 0 indicates that the write operation is complete. A
 * non-zero return value indicates the maximum number of bytes to be written on
 * the next call to the stream's write_some function.
 *
 * @param ec Set to indicate what error occurred, if any.
 *
 * @returns The number of bytes written. If an error occurs, returns the total
 * number of bytes successfully transferred prior to the error.
 */
template <typename SyncWriteStream, typename DynamicBuffer_v2,
 typename CompletionCondition>
std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
 CompletionCondition completion_condition, boost::system::error_code& ec,
 typename enable_if<
 is_dynamic_buffer_v2<DynamicBuffer_v2>::value
 >::type* = 0);

/*@}*/
/**
 * @defgroup async_write boost::asio::async_write
 *
 * @brief The @c async_write function is a composed asynchronous operation that
 * writes a certain amount of data to a stream before completion.
 */
/*@{*/

/// Start an asynchronous operation to write all of the supplied data to a
/// stream.
/**
 * This function is used to asynchronously write a certain number of bytes of
 * data to a stream. The function call always returns immediately. The
 * asynchronous operation will continue until one of the following conditions
 * is true:
 *
 * @li All of the data in the supplied buffers has been written. That is, the
 * bytes transferred is equal to the sum of the buffer sizes.
 *
 * @li An error occurred.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * async_write_some function, and is known as a composed operation. The
 * program must ensure that the stream performs no other write operations (such
 * as async_write, the stream's async_write_some function, or any other composed
 * operations that perform writes) until this operation completes.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the AsyncWriteStream concept.
 *
 * @param buffers One or more buffers containing the data to be written.
 * Although the buffers object may be copied as necessary, ownership of the
 * underlying memory blocks is retained by the caller, which must guarantee
 * that they remain valid until the handler is called.
 *
 * @param handler The handler to be called when the write operation completes.
 * Copies will be made of the handler as required. The function signature of
 * the handler must be:
 * @code void handler(
 * const boost::system::error_code& error, // Result of operation.
 *
 * std::size_t bytes_transferred // Number of bytes written from the
 * // buffers. If an error occurred,
 * // this will be less than the sum
 * // of the buffer sizes.
 * ); @endcode
 * Regardless of whether the asynchronous operation completes immediately or
 * not, the handler will not be invoked from within this function. On
 * immediate completion, invocation of the handler will be performed in a
 * manner equivalent to using boost::asio::post().
 *
 * @par Example
 * To write a single data buffer use the @ref buffer function as follows:
 * @code
 * boost::asio::async_write(s, boost::asio::buffer(data, size), handler);
 * @endcode
 * See the @ref buffer documentation for information on writing multiple
 * buffers in one go, and how to use it with arrays, boost::array or
 * std::vector.
 */
template <typename AsyncWriteStream, typename ConstBufferSequence,
 BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
 std::size_t)) WriteHandler
 BOOST_ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(
 typename AsyncWriteStream::executor_type)>
BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
 void (boost::system::error_code, std::size_t))
async_write(AsyncWriteStream& s, const ConstBufferSequence& buffers,
 BOOST_ASIO_MOVE_ARG(WriteHandler) handler
 BOOST_ASIO_DEFAULT_COMPLETION_TOKEN(
 typename AsyncWriteStream::executor_type),
 typename enable_if<
 is_const_buffer_sequence<ConstBufferSequence>::value
 >::type* = 0);

/// Start an asynchronous operation to write a certain amount of data to a
/// stream.
/**
 * This function is used to asynchronously write a certain number of bytes of
 * data to a stream. The function call always returns immediately. The
 * asynchronous operation will continue until one of the following conditions
 * is true:
 *
 * @li All of the data in the supplied buffers has been written. That is, the
 * bytes transferred is equal to the sum of the buffer sizes.
 *
 * @li The completion_condition function object returns 0.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * async_write_some function, and is known as a composed operation. The
 * program must ensure that the stream performs no other write operations (such
 * as async_write, the stream's async_write_some function, or any other composed
 * operations that perform writes) until this operation completes.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the AsyncWriteStream concept.
 *
 * @param buffers One or more buffers containing the data to be written.
 * Although the buffers object may be copied as necessary, ownership of the
 * underlying memory blocks is retained by the caller, which must guarantee
 * that they remain valid until the handler is called.
 *
 * @param completion_condition The function object to be called to determine
 * whether the write operation is complete. The signature of the function object
 * must be:
 * @code std::size_t completion_condition(
 * // Result of latest async_write_some operation.
 * const boost::system::error_code& error,
 *
 * // Number of bytes transferred so far.
 * std::size_t bytes_transferred
 * ); @endcode
 * A return value of 0 indicates that the write operation is complete. A
 * non-zero return value indicates the maximum number of bytes to be written on
 * the next call to the stream's async_write_some function.
 *
 * @param handler The handler to be called when the write operation completes.
 * Copies will be made of the handler as required. The function signature of the
 * handler must be:
 * @code void handler(
 * const boost::system::error_code& error, // Result of operation.
 *
 * std::size_t bytes_transferred // Number of bytes written from the
 * // buffers. If an error occurred,
 * // this will be less than the sum
 * // of the buffer sizes.
 * ); @endcode
 * Regardless of whether the asynchronous operation completes immediately or
 * not, the handler will not be invoked from within this function. On
 * immediate completion, invocation of the handler will be performed in a
 * manner equivalent to using boost::asio::post().
 *
 * @par Example
 * To write a single data buffer use the @ref buffer function as follows:
 * @code boost::asio::async_write(s,
 * boost::asio::buffer(data, size),
 * boost::asio::transfer_at_least(32),
 * handler); @endcode
 * See the @ref buffer documentation for information on writing multiple
 * buffers in one go, and how to use it with arrays, boost::array or
 * std::vector.
 */
template <typename AsyncWriteStream,
 typename ConstBufferSequence, typename CompletionCondition,
 BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
 std::size_t)) WriteHandler>
BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
 void (boost::system::error_code, std::size_t))
async_write(AsyncWriteStream& s, const ConstBufferSequence& buffers,
 CompletionCondition completion_condition,
 BOOST_ASIO_MOVE_ARG(WriteHandler) handler,
 typename enable_if<
 is_const_buffer_sequence<ConstBufferSequence>::value
 >::type* = 0);

#if !defined(BOOST_ASIO_NO_DYNAMIC_BUFFER_V1)

/// Start an asynchronous operation to write all of the supplied data to a
/// stream.
/**
 * This function is used to asynchronously write a certain number of bytes of
 * data to a stream. The function call always returns immediately. The
 * asynchronous operation will continue until one of the following conditions
 * is true:
 *
 * @li All of the data in the supplied dynamic buffer sequence has been written.
 *
 * @li An error occurred.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * async_write_some function, and is known as a composed operation. The
 * program must ensure that the stream performs no other write operations (such
 * as async_write, the stream's async_write_some function, or any other composed
 * operations that perform writes) until this operation completes.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the AsyncWriteStream concept.
 *
 * @param buffers The dynamic buffer sequence from which data will be written.
 * Although the buffers object may be copied as necessary, ownership of the
 * underlying memory blocks is retained by the caller, which must guarantee
 * that they remain valid until the handler is called. Successfully written
 * data is automatically consumed from the buffers.
 *
 * @param handler The handler to be called when the write operation completes.
 * Copies will be made of the handler as required. The function signature of the
 * handler must be:
 * @code void handler(
 * const boost::system::error_code& error, // Result of operation.
 *
 * std::size_t bytes_transferred // Number of bytes written from the
 * // buffers. If an error occurred,
 * // this will be less than the sum
 * // of the buffer sizes.
 * ); @endcode
 * Regardless of whether the asynchronous operation completes immediately or
 * not, the handler will not be invoked from within this function. On
 * immediate completion, invocation of the handler will be performed in a
 * manner equivalent to using boost::asio::post().
 */
template <typename AsyncWriteStream, typename DynamicBuffer_v1,
 BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
 std::size_t)) WriteHandler
 BOOST_ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(
 typename AsyncWriteStream::executor_type)>
BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
 void (boost::system::error_code, std::size_t))
async_write(AsyncWriteStream& s,
 BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
 BOOST_ASIO_MOVE_ARG(WriteHandler) handler
 BOOST_ASIO_DEFAULT_COMPLETION_TOKEN(
 typename AsyncWriteStream::executor_type),
 typename enable_if<
 is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
 && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
 >::type* = 0);

/// Start an asynchronous operation to write a certain amount of data to a
/// stream.
/**
 * This function is used to asynchronously write a certain number of bytes of
 * data to a stream. The function call always returns immediately. The
 * asynchronous operation will continue until one of the following conditions
 * is true:
 *
 * @li All of the data in the supplied dynamic buffer sequence has been written.
 *
 * @li The completion_condition function object returns 0.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * async_write_some function, and is known as a composed operation. The
 * program must ensure that the stream performs no other write operations (such
 * as async_write, the stream's async_write_some function, or any other composed
 * operations that perform writes) until this operation completes.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the AsyncWriteStream concept.
 *
 * @param buffers The dynamic buffer sequence from which data will be written.
 * Although the buffers object may be copied as necessary, ownership of the
 * underlying memory blocks is retained by the caller, which must guarantee
 * that they remain valid until the handler is called. Successfully written
 * data is automatically consumed from the buffers.
 *
 * @param completion_condition The function object to be called to determine
 * whether the write operation is complete. The signature of the function object
 * must be:
 * @code std::size_t completion_condition(
 * // Result of latest async_write_some operation.
 * const boost::system::error_code& error,
 *
 * // Number of bytes transferred so far.
 * std::size_t bytes_transferred
 * ); @endcode
 * A return value of 0 indicates that the write operation is complete. A
 * non-zero return value indicates the maximum number of bytes to be written on
 * the next call to the stream's async_write_some function.
 *
 * @param handler The handler to be called when the write operation completes.
 * Copies will be made of the handler as required. The function signature of the
 * handler must be:
 * @code void handler(
 * const boost::system::error_code& error, // Result of operation.
 *
 * std::size_t bytes_transferred // Number of bytes written from the
 * // buffers. If an error occurred,
 * // this will be less than the sum
 * // of the buffer sizes.
 * ); @endcode
 * Regardless of whether the asynchronous operation completes immediately or
 * not, the handler will not be invoked from within this function. On
 * immediate completion, invocation of the handler will be performed in a
 * manner equivalent to using boost::asio::post().
 */
template <typename AsyncWriteStream,
 typename DynamicBuffer_v1, typename CompletionCondition,
 BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
 std::size_t)) WriteHandler>
BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
 void (boost::system::error_code, std::size_t))
async_write(AsyncWriteStream& s,
 BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
 CompletionCondition completion_condition,
 BOOST_ASIO_MOVE_ARG(WriteHandler) handler,
 typename enable_if<
 is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
 && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
 >::type* = 0);

#if !defined(BOOST_ASIO_NO_EXTENSIONS)
#if !defined(BOOST_ASIO_NO_IOSTREAM)

/// Start an asynchronous operation to write all of the supplied data to a
/// stream.
/**
 * This function is used to asynchronously write a certain number of bytes of
 * data to a stream. The function call always returns immediately. The
 * asynchronous operation will continue until one of the following conditions
 * is true:
 *
 * @li All of the data in the supplied basic_streambuf has been written.
 *
 * @li An error occurred.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * async_write_some function, and is known as a composed operation. The
 * program must ensure that the stream performs no other write operations (such
 * as async_write, the stream's async_write_some function, or any other composed
 * operations that perform writes) until this operation completes.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the AsyncWriteStream concept.
 *
 * @param b A basic_streambuf object from which data will be written. Ownership
 * of the streambuf is retained by the caller, which must guarantee that it
 * remains valid until the handler is called.
 *
 * @param handler The handler to be called when the write operation completes.
 * Copies will be made of the handler as required. The function signature of the
 * handler must be:
 * @code void handler(
 * const boost::system::error_code& error, // Result of operation.
 *
 * std::size_t bytes_transferred // Number of bytes written from the
 * // buffers. If an error occurred,
 * // this will be less than the sum
 * // of the buffer sizes.
 * ); @endcode
 * Regardless of whether the asynchronous operation completes immediately or
 * not, the handler will not be invoked from within this function. On
 * immediate completion, invocation of the handler will be performed in a
 * manner equivalent to using boost::asio::post().
 */
template <typename AsyncWriteStream, typename Allocator,
 BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
 std::size_t)) WriteHandler
 BOOST_ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(
 typename AsyncWriteStream::executor_type)>
BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
 void (boost::system::error_code, std::size_t))
async_write(AsyncWriteStream& s, basic_streambuf<Allocator>& b,
 BOOST_ASIO_MOVE_ARG(WriteHandler) handler
 BOOST_ASIO_DEFAULT_COMPLETION_TOKEN(
 typename AsyncWriteStream::executor_type));

/// Start an asynchronous operation to write a certain amount of data to a
/// stream.
/**
 * This function is used to asynchronously write a certain number of bytes of
 * data to a stream. The function call always returns immediately. The
 * asynchronous operation will continue until one of the following conditions
 * is true:
 *
 * @li All of the data in the supplied basic_streambuf has been written.
 *
 * @li The completion_condition function object returns 0.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * async_write_some function, and is known as a composed operation. The
 * program must ensure that the stream performs no other write operations (such
 * as async_write, the stream's async_write_some function, or any other composed
 * operations that perform writes) until this operation completes.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the AsyncWriteStream concept.
 *
 * @param b A basic_streambuf object from which data will be written. Ownership
 * of the streambuf is retained by the caller, which must guarantee that it
 * remains valid until the handler is called.
 *
 * @param completion_condition The function object to be called to determine
 * whether the write operation is complete. The signature of the function object
 * must be:
 * @code std::size_t completion_condition(
 * // Result of latest async_write_some operation.
 * const boost::system::error_code& error,
 *
 * // Number of bytes transferred so far.
 * std::size_t bytes_transferred
 * ); @endcode
 * A return value of 0 indicates that the write operation is complete. A
 * non-zero return value indicates the maximum number of bytes to be written on
 * the next call to the stream's async_write_some function.
 *
 * @param handler The handler to be called when the write operation completes.
 * Copies will be made of the handler as required. The function signature of the
 * handler must be:
 * @code void handler(
 * const boost::system::error_code& error, // Result of operation.
 *
 * std::size_t bytes_transferred // Number of bytes written from the
 * // buffers. If an error occurred,
 * // this will be less than the sum
 * // of the buffer sizes.
 * ); @endcode
 * Regardless of whether the asynchronous operation completes immediately or
 * not, the handler will not be invoked from within this function. On
 * immediate completion, invocation of the handler will be performed in a
 * manner equivalent to using boost::asio::post().
 */
template <typename AsyncWriteStream,
 typename Allocator, typename CompletionCondition,
 BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
 std::size_t)) WriteHandler>
BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
 void (boost::system::error_code, std::size_t))
async_write(AsyncWriteStream& s, basic_streambuf<Allocator>& b,
 CompletionCondition completion_condition,
 BOOST_ASIO_MOVE_ARG(WriteHandler) handler);

#endif // !defined(BOOST_ASIO_NO_IOSTREAM)
#endif // !defined(BOOST_ASIO_NO_EXTENSIONS)
#endif // !defined(BOOST_ASIO_NO_DYNAMIC_BUFFER_V1)

/// Start an asynchronous operation to write all of the supplied data to a
/// stream.
/**
 * This function is used to asynchronously write a certain number of bytes of
 * data to a stream. The function call always returns immediately. The
 * asynchronous operation will continue until one of the following conditions
 * is true:
 *
 * @li All of the data in the supplied dynamic buffer sequence has been written.
 *
 * @li An error occurred.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * async_write_some function, and is known as a composed operation. The
 * program must ensure that the stream performs no other write operations (such
 * as async_write, the stream's async_write_some function, or any other composed
 * operations that perform writes) until this operation completes.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the AsyncWriteStream concept.
 *
 * @param buffers The dynamic buffer sequence from which data will be written.
 * Although the buffers object may be copied as necessary, ownership of the
 * underlying memory blocks is retained by the caller, which must guarantee
 * that they remain valid until the handler is called. Successfully written
 * data is automatically consumed from the buffers.
 *
 * @param handler The handler to be called when the write operation completes.
 * Copies will be made of the handler as required. The function signature of the
 * handler must be:
 * @code void handler(
 * const boost::system::error_code& error, // Result of operation.
 *
 * std::size_t bytes_transferred // Number of bytes written from the
 * // buffers. If an error occurred,
 * // this will be less than the sum
 * // of the buffer sizes.
 * ); @endcode
 * Regardless of whether the asynchronous operation completes immediately or
 * not, the handler will not be invoked from within this function. On
 * immediate completion, invocation of the handler will be performed in a
 * manner equivalent to using boost::asio::post().
 */
template <typename AsyncWriteStream, typename DynamicBuffer_v2,
 BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
 std::size_t)) WriteHandler
 BOOST_ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(
 typename AsyncWriteStream::executor_type)>
BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
 void (boost::system::error_code, std::size_t))
async_write(AsyncWriteStream& s, DynamicBuffer_v2 buffers,
 BOOST_ASIO_MOVE_ARG(WriteHandler) handler
 BOOST_ASIO_DEFAULT_COMPLETION_TOKEN(
 typename AsyncWriteStream::executor_type),
 typename enable_if<
 is_dynamic_buffer_v2<DynamicBuffer_v2>::value
 >::type* = 0);

/// Start an asynchronous operation to write a certain amount of data to a
/// stream.
/**
 * This function is used to asynchronously write a certain number of bytes of
 * data to a stream. The function call always returns immediately. The
 * asynchronous operation will continue until one of the following conditions
 * is true:
 *
 * @li All of the data in the supplied dynamic buffer sequence has been written.
 *
 * @li The completion_condition function object returns 0.
 *
 * This operation is implemented in terms of zero or more calls to the stream's
 * async_write_some function, and is known as a composed operation. The
 * program must ensure that the stream performs no other write operations (such
 * as async_write, the stream's async_write_some function, or any other composed
 * operations that perform writes) until this operation completes.
 *
 * @param s The stream to which the data is to be written. The type must support
 * the AsyncWriteStream concept.
 *
 * @param buffers The dynamic buffer sequence from which data will be written.
 * Although the buffers object may be copied as necessary, ownership of the
 * underlying memory blocks is retained by the caller, which must guarantee
 * that they remain valid until the handler is called. Successfully written
 * data is automatically consumed from the buffers.
 *
 * @param completion_condition The function object to be called to determine
 * whether the write operation is complete. The signature of the function object
 * must be:
 * @code std::size_t completion_condition(
 * // Result of latest async_write_some operation.
 * const boost::system::error_code& error,
 *
 * // Number of bytes transferred so far.
 * std::size_t bytes_transferred
 * ); @endcode
 * A return value of 0 indicates that the write operation is complete. A
 * non-zero return value indicates the maximum number of bytes to be written on
 * the next call to the stream's async_write_some function.
 *
 * @param handler The handler to be called when the write operation completes.
 * Copies will be made of the handler as required. The function signature of the
 * handler must be:
 * @code void handler(
 * const boost::system::error_code& error, // Result of operation.
 *
 * std::size_t bytes_transferred // Number of bytes written from the
 * // buffers. If an error occurred,
 * // this will be less than the sum
 * // of the buffer sizes.
 * ); @endcode
 * Regardless of whether the asynchronous operation completes immediately or
 * not, the handler will not be invoked from within this function. On
 * immediate completion, invocation of the handler will be performed in a
 * manner equivalent to using boost::asio::post().
 */
template <typename AsyncWriteStream,
 typename DynamicBuffer_v2, typename CompletionCondition,
 BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
 std::size_t)) WriteHandler>
BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
 void (boost::system::error_code, std::size_t))
async_write(AsyncWriteStream& s, DynamicBuffer_v2 buffers,
 CompletionCondition completion_condition,
 BOOST_ASIO_MOVE_ARG(WriteHandler) handler,
 typename enable_if<
 is_dynamic_buffer_v2<DynamicBuffer_v2>::value
 >::type* = 0);

/*@}*/

} // namespace asio
} // namespace boost

#include <boost/asio/detail/pop_options.hpp>

#include <boost/asio/impl/write.hpp>

#endif // BOOST_ASIO_WRITE_HPP

cmd: